From 158e310a36f3283439fd9c7a6891be5d321cfd14 Mon Sep 17 00:00:00 2001 From: NataliaSmirnova Date: Mon, 11 Nov 2019 11:16:22 +0300 Subject: [PATCH] 0.8.4 --- CHANGELOG.md | 24 +- dist/Miew.css | 12 + dist/Miew.js | 54783 ++++--------------------------------- dist/Miew.js.map | 2 +- dist/Miew.min.css | 2 +- dist/Miew.min.css.map | 2 +- dist/Miew.min.js | 6 +- dist/Miew.min.js.map | 2 +- dist/Miew.module.js | 54779 ++++-------------------------------- dist/Miew.module.js.map | 2 +- package.json | 2 +- sonar-project.properties | 2 +- 12 files changed, 10907 insertions(+), 98711 deletions(-) diff --git a/CHANGELOG.md b/CHANGELOG.md index 8ddcfbd4..c590fa64 100644 --- a/CHANGELOG.md +++ b/CHANGELOG.md @@ -6,6 +6,27 @@ and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0. ## [Unreleased] +## [0.8.4] - 2019-11-11 +### Added +- Add parser for MOL2 molecular format +- Add exporter for geometry information into FBX unicode format +- Add button 'Export FBX' in Demo application menu 'Tools' +- Add example of using ImmediateLoader + +### Changed +- Change all Miew links to https://miew... instead of http://miew... +- Refactor unit tests for settings.js and logger.js + +### Fixed +- Fix rendering of electron density in stereo mode +- Fix rendering of electron density bbox with visual effects +- Fix a crash in modified DNA processing (e.g. 1K1R) + +### Internal +- Rafactor normal storage in G-buffer +- Generalize TraceMesh into InstancedMesh +- Refactor the algorithm of simultaneously applying fog and ambient occlusion effects + ## [0.8.3] - 2019-09-20 ### Added - Add parsers for GRO molecular formats @@ -490,7 +511,8 @@ in [0.7.7+hotfix] and later releases. - Update dependencies to the latest supported versions. - Move the project to GitHub. -[Unreleased]: https://github.com/epam/miew/compare/v0.8.3...HEAD +[Unreleased]: https://github.com/epam/miew/compare/v0.8.4...HEAD +[0.8.4]: https://github.com/epam/miew/compare/v0.8.3...v0.8.4 [0.8.3]: https://github.com/epam/miew/compare/v0.8.2...v0.8.3 [0.8.2]: https://github.com/epam/miew/compare/v0.8.1...v0.8.2 [0.8.1]: https://github.com/epam/miew/compare/v0.8.0...v0.8.1 diff --git a/dist/Miew.css b/dist/Miew.css index a8d5b152..84f89740 100644 --- a/dist/Miew.css +++ b/dist/Miew.css @@ -25,6 +25,18 @@ } } +@keyframes spinner-line-shrink { + 0%, 25%, 100% { + /* minimum scale and opacity */ + transform: scale(0.5); + opacity: 0.25; + } + 26% { + transform: scale(1); + opacity: 1; + } +} + .miew-canvas > canvas { display: block; width: 100%; diff --git a/dist/Miew.js b/dist/Miew.js index d41521ea..38cbfa65 100644 --- a/dist/Miew.js +++ b/dist/Miew.js @@ -1,10 +1,10 @@ -/** Miew - 3D Molecular Viewer v0.8.3 Copyright (c) 2015-2019 EPAM Systems, Inc. */ +/** Miew - 3D Molecular Viewer v0.8.4 Copyright (c) 2015-2019 EPAM Systems, Inc. */ (function (global, factory) { typeof exports === 'object' && typeof module !== 'undefined' ? module.exports = factory() : typeof define === 'function' && define.amd ? define(factory) : (global = global || self, global.Miew = factory()); -}(this, function () { 'use strict'; +}(this, (function () { 'use strict'; function _arrayWithHoles(arr) { if (Array.isArray(arr)) return arr; @@ -17155,8718 +17155,2143 @@ }.call(commonjsGlobal)); }); - // Polyfills - - if ( Number.EPSILON === undefined ) { + var _typeof_1 = createCommonjsModule(function (module) { + function _typeof2(obj) { if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") { _typeof2 = function _typeof2(obj) { return typeof obj; }; } else { _typeof2 = function _typeof2(obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; } return _typeof2(obj); } - Number.EPSILON = Math.pow( 2, - 52 ); + function _typeof(obj) { + if (typeof Symbol === "function" && _typeof2(Symbol.iterator) === "symbol") { + module.exports = _typeof = function _typeof(obj) { + return _typeof2(obj); + }; + } else { + module.exports = _typeof = function _typeof(obj) { + return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : _typeof2(obj); + }; + } + return _typeof(obj); } - if ( Number.isInteger === undefined ) { - - // Missing in IE - // https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Number/isInteger - - Number.isInteger = function ( value ) { - - return typeof value === 'number' && isFinite( value ) && Math.floor( value ) === value; + module.exports = _typeof; + }); - }; + function _defineProperty(obj, key, value) { + if (key in obj) { + Object.defineProperty(obj, key, { + value: value, + enumerable: true, + configurable: true, + writable: true + }); + } else { + obj[key] = value; + } + return obj; } - // - - if ( Math.sign === undefined ) { - - // https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Math/sign - - Math.sign = function ( x ) { - - return ( x < 0 ) ? - 1 : ( x > 0 ) ? 1 : + x; + var defineProperty = _defineProperty; - }; + function _assertThisInitialized(self) { + if (self === void 0) { + throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); + } + return self; } - if ( 'name' in Function.prototype === false ) { - - // Missing in IE - // https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Function/name - - Object.defineProperty( Function.prototype, 'name', { - - get: function () { - - return this.toString().match( /^\s*function\s*([^\(\s]*)/ )[ 1 ]; - - } - - } ); + var assertThisInitialized = _assertThisInitialized; + function _classCallCheck(instance, Constructor) { + if (!(instance instanceof Constructor)) { + throw new TypeError("Cannot call a class as a function"); + } } - if ( Object.assign === undefined ) { - - // Missing in IE - // https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Object/assign - - Object.assign = function ( target ) { - - if ( target === undefined || target === null ) { - - throw new TypeError( 'Cannot convert undefined or null to object' ); - - } - - var output = Object( target ); - - for ( var index = 1; index < arguments.length; index ++ ) { - - var source = arguments[ index ]; - - if ( source !== undefined && source !== null ) { - - for ( var nextKey in source ) { - - if ( Object.prototype.hasOwnProperty.call( source, nextKey ) ) { - - output[ nextKey ] = source[ nextKey ]; - - } - - } - - } - - } - - return output; + var classCallCheck = _classCallCheck; - }; + function _possibleConstructorReturn(self, call) { + if (call && (_typeof_1(call) === "object" || typeof call === "function")) { + return call; + } + return assertThisInitialized(self); } - /** - * https://github.com/mrdoob/eventdispatcher.js/ - */ - - function EventDispatcher() {} - - Object.assign( EventDispatcher.prototype, { - - addEventListener: function ( type, listener ) { - - if ( this._listeners === undefined ) this._listeners = {}; - - var listeners = this._listeners; - - if ( listeners[ type ] === undefined ) { - - listeners[ type ] = []; - - } - - if ( listeners[ type ].indexOf( listener ) === - 1 ) { - - listeners[ type ].push( listener ); - - } - - }, - - hasEventListener: function ( type, listener ) { - - if ( this._listeners === undefined ) return false; - - var listeners = this._listeners; - - return listeners[ type ] !== undefined && listeners[ type ].indexOf( listener ) !== - 1; - - }, - - removeEventListener: function ( type, listener ) { - - if ( this._listeners === undefined ) return; - - var listeners = this._listeners; - var listenerArray = listeners[ type ]; - - if ( listenerArray !== undefined ) { - - var index = listenerArray.indexOf( listener ); - - if ( index !== - 1 ) { - - listenerArray.splice( index, 1 ); - - } - - } - - }, - - dispatchEvent: function ( event ) { - - if ( this._listeners === undefined ) return; - - var listeners = this._listeners; - var listenerArray = listeners[ event.type ]; - - if ( listenerArray !== undefined ) { + var possibleConstructorReturn = _possibleConstructorReturn; - event.target = this; + var getPrototypeOf = createCommonjsModule(function (module) { + function _getPrototypeOf(o) { + module.exports = _getPrototypeOf = Object.setPrototypeOf ? Object.getPrototypeOf : function _getPrototypeOf(o) { + return o.__proto__ || Object.getPrototypeOf(o); + }; + return _getPrototypeOf(o); + } - var array = listenerArray.slice( 0 ); + module.exports = _getPrototypeOf; + }); - for ( var i = 0, l = array.length; i < l; i ++ ) { + var setPrototypeOf = createCommonjsModule(function (module) { + function _setPrototypeOf(o, p) { + module.exports = _setPrototypeOf = Object.setPrototypeOf || function _setPrototypeOf(o, p) { + o.__proto__ = p; + return o; + }; - array[ i ].call( this, event ); + return _setPrototypeOf(o, p); + } - } + module.exports = _setPrototypeOf; + }); - } + function _inherits(subClass, superClass) { + if (typeof superClass !== "function" && superClass !== null) { + throw new TypeError("Super expression must either be null or a function"); + } - } + subClass.prototype = Object.create(superClass && superClass.prototype, { + constructor: { + value: subClass, + writable: true, + configurable: true + } + }); + if (superClass) setPrototypeOf(subClass, superClass); + } - } ); - - var REVISION = '108'; - var MOUSE = { LEFT: 0, MIDDLE: 1, RIGHT: 2, ROTATE: 0, DOLLY: 1, PAN: 2 }; - var TOUCH = { ROTATE: 0, PAN: 1, DOLLY_PAN: 2, DOLLY_ROTATE: 3 }; - var CullFaceNone = 0; - var CullFaceBack = 1; - var CullFaceFront = 2; - var CullFaceFrontBack = 3; - var FrontFaceDirectionCW = 0; - var FrontFaceDirectionCCW = 1; - var BasicShadowMap = 0; - var PCFShadowMap = 1; - var PCFSoftShadowMap = 2; - var VSMShadowMap = 3; - var FrontSide = 0; - var BackSide = 1; - var DoubleSide = 2; - var FlatShading = 1; - var SmoothShading = 2; - var NoColors = 0; - var FaceColors = 1; - var VertexColors = 2; - var NoBlending = 0; - var NormalBlending = 1; - var AdditiveBlending = 2; - var SubtractiveBlending = 3; - var MultiplyBlending = 4; - var CustomBlending = 5; - var AddEquation = 100; - var SubtractEquation = 101; - var ReverseSubtractEquation = 102; - var MinEquation = 103; - var MaxEquation = 104; - var ZeroFactor = 200; - var OneFactor = 201; - var SrcColorFactor = 202; - var OneMinusSrcColorFactor = 203; - var SrcAlphaFactor = 204; - var OneMinusSrcAlphaFactor = 205; - var DstAlphaFactor = 206; - var OneMinusDstAlphaFactor = 207; - var DstColorFactor = 208; - var OneMinusDstColorFactor = 209; - var SrcAlphaSaturateFactor = 210; - var NeverDepth = 0; - var AlwaysDepth = 1; - var LessDepth = 2; - var LessEqualDepth = 3; - var EqualDepth = 4; - var GreaterEqualDepth = 5; - var GreaterDepth = 6; - var NotEqualDepth = 7; - var MultiplyOperation = 0; - var MixOperation = 1; - var AddOperation = 2; - var NoToneMapping = 0; - var LinearToneMapping = 1; - var ReinhardToneMapping = 2; - var Uncharted2ToneMapping = 3; - var CineonToneMapping = 4; - var ACESFilmicToneMapping = 5; - - var UVMapping = 300; - var CubeReflectionMapping = 301; - var CubeRefractionMapping = 302; - var EquirectangularReflectionMapping = 303; - var EquirectangularRefractionMapping = 304; - var SphericalReflectionMapping = 305; - var CubeUVReflectionMapping = 306; - var CubeUVRefractionMapping = 307; - var RepeatWrapping = 1000; - var ClampToEdgeWrapping = 1001; - var MirroredRepeatWrapping = 1002; - var NearestFilter = 1003; - var NearestMipmapNearestFilter = 1004; - var NearestMipMapNearestFilter = 1004; - var NearestMipmapLinearFilter = 1005; - var NearestMipMapLinearFilter = 1005; - var LinearFilter = 1006; - var LinearMipmapNearestFilter = 1007; - var LinearMipMapNearestFilter = 1007; - var LinearMipmapLinearFilter = 1008; - var LinearMipMapLinearFilter = 1008; - var UnsignedByteType = 1009; - var ByteType = 1010; - var ShortType = 1011; - var UnsignedShortType = 1012; - var IntType = 1013; - var UnsignedIntType = 1014; - var FloatType = 1015; - var HalfFloatType = 1016; - var UnsignedShort4444Type = 1017; - var UnsignedShort5551Type = 1018; - var UnsignedShort565Type = 1019; - var UnsignedInt248Type = 1020; - var AlphaFormat = 1021; - var RGBFormat = 1022; - var RGBAFormat = 1023; - var LuminanceFormat = 1024; - var LuminanceAlphaFormat = 1025; - var RGBEFormat = RGBAFormat; - var DepthFormat = 1026; - var DepthStencilFormat = 1027; - var RedFormat = 1028; - var RGB_S3TC_DXT1_Format = 33776; - var RGBA_S3TC_DXT1_Format = 33777; - var RGBA_S3TC_DXT3_Format = 33778; - var RGBA_S3TC_DXT5_Format = 33779; - var RGB_PVRTC_4BPPV1_Format = 35840; - var RGB_PVRTC_2BPPV1_Format = 35841; - var RGBA_PVRTC_4BPPV1_Format = 35842; - var RGBA_PVRTC_2BPPV1_Format = 35843; - var RGB_ETC1_Format = 36196; - var RGBA_ASTC_4x4_Format = 37808; - var RGBA_ASTC_5x4_Format = 37809; - var RGBA_ASTC_5x5_Format = 37810; - var RGBA_ASTC_6x5_Format = 37811; - var RGBA_ASTC_6x6_Format = 37812; - var RGBA_ASTC_8x5_Format = 37813; - var RGBA_ASTC_8x6_Format = 37814; - var RGBA_ASTC_8x8_Format = 37815; - var RGBA_ASTC_10x5_Format = 37816; - var RGBA_ASTC_10x6_Format = 37817; - var RGBA_ASTC_10x8_Format = 37818; - var RGBA_ASTC_10x10_Format = 37819; - var RGBA_ASTC_12x10_Format = 37820; - var RGBA_ASTC_12x12_Format = 37821; - var LoopOnce = 2200; - var LoopRepeat = 2201; - var LoopPingPong = 2202; - var InterpolateDiscrete = 2300; - var InterpolateLinear = 2301; - var InterpolateSmooth = 2302; - var ZeroCurvatureEnding = 2400; - var ZeroSlopeEnding = 2401; - var WrapAroundEnding = 2402; - var TrianglesDrawMode = 0; - var TriangleStripDrawMode = 1; - var TriangleFanDrawMode = 2; - var LinearEncoding = 3000; - var sRGBEncoding = 3001; - var GammaEncoding = 3007; - var RGBEEncoding = 3002; - var LogLuvEncoding = 3003; - var RGBM7Encoding = 3004; - var RGBM16Encoding = 3005; - var RGBDEncoding = 3006; - var BasicDepthPacking = 3200; - var RGBADepthPacking = 3201; - var TangentSpaceNormalMap = 0; - var ObjectSpaceNormalMap = 1; - - var ZeroStencilOp = 0; - var KeepStencilOp = 7680; - var ReplaceStencilOp = 7681; - var IncrementStencilOp = 7682; - var DecrementStencilOp = 7683; - var IncrementWrapStencilOp = 34055; - var DecrementWrapStencilOp = 34056; - var InvertStencilOp = 5386; - - var NeverStencilFunc = 512; - var LessStencilFunc = 513; - var EqualStencilFunc = 514; - var LessEqualStencilFunc = 515; - var GreaterStencilFunc = 516; - var NotEqualStencilFunc = 517; - var GreaterEqualStencilFunc = 518; - var AlwaysStencilFunc = 519; + var inherits = _inherits; - /** + if(Number.EPSILON===undefined){Number.EPSILON=Math.pow(2,-52);}if(Number.isInteger===undefined){// Missing in IE + // https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Number/isInteger + Number.isInteger=function(value){return typeof value==='number'&&isFinite(value)&&Math.floor(value)===value;};}// + if(Math.sign===undefined){// https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Math/sign + Math.sign=function(x){return x<0?-1:x>0?1:+x;};}if('name'in Function.prototype===false){// Missing in IE + // https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Function/name + Object.defineProperty(Function.prototype,'name',{get:function get(){return this.toString().match(/^\s*function\s*([^\(\s]*)/)[1];}});}if(Object.assign===undefined){// Missing in IE + // https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Object/assign + Object.assign=function(target){if(target===undefined||target===null){throw new TypeError('Cannot convert undefined or null to object');}var output=Object(target);for(var index=1;index> 8 & 0xff ] + _lut[ d0 >> 16 & 0xff ] + _lut[ d0 >> 24 & 0xff ] + '-' + - _lut[ d1 & 0xff ] + _lut[ d1 >> 8 & 0xff ] + '-' + _lut[ d1 >> 16 & 0x0f | 0x40 ] + _lut[ d1 >> 24 & 0xff ] + '-' + - _lut[ d2 & 0x3f | 0x80 ] + _lut[ d2 >> 8 & 0xff ] + '-' + _lut[ d2 >> 16 & 0xff ] + _lut[ d2 >> 24 & 0xff ] + - _lut[ d3 & 0xff ] + _lut[ d3 >> 8 & 0xff ] + _lut[ d3 >> 16 & 0xff ] + _lut[ d3 >> 24 & 0xff ]; - - // .toUpperCase() here flattens concatenated strings to save heap memory space. - return uuid.toUpperCase(); - - }, - - clamp: function ( value, min, max ) { - - return Math.max( min, Math.min( max, value ) ); - - }, - - // compute euclidian modulo of m % n - // https://en.wikipedia.org/wiki/Modulo_operation - - euclideanModulo: function ( n, m ) { - - return ( ( n % m ) + m ) % m; - - }, - - // Linear mapping from range to range - - mapLinear: function ( x, a1, a2, b1, b2 ) { - - return b1 + ( x - a1 ) * ( b2 - b1 ) / ( a2 - a1 ); - - }, - - // https://en.wikipedia.org/wiki/Linear_interpolation - - lerp: function ( x, y, t ) { - - return ( 1 - t ) * x + t * y; - - }, - - // http://en.wikipedia.org/wiki/Smoothstep - - smoothstep: function ( x, min, max ) { - - if ( x <= min ) return 0; - if ( x >= max ) return 1; - - x = ( x - min ) / ( max - min ); - - return x * x * ( 3 - 2 * x ); - - }, - - smootherstep: function ( x, min, max ) { - - if ( x <= min ) return 0; - if ( x >= max ) return 1; - - x = ( x - min ) / ( max - min ); - - return x * x * x * ( x * ( x * 6 - 15 ) + 10 ); - - }, - - // Random integer from interval - - randInt: function ( low, high ) { - - return low + Math.floor( Math.random() * ( high - low + 1 ) ); - - }, - - // Random float from interval - - randFloat: function ( low, high ) { - - return low + Math.random() * ( high - low ); - - }, - - // Random float from <-range/2, range/2> interval - - randFloatSpread: function ( range ) { - - return range * ( 0.5 - Math.random() ); - - }, - - degToRad: function ( degrees ) { - - return degrees * _Math.DEG2RAD; - - }, - - radToDeg: function ( radians ) { - - return radians * _Math.RAD2DEG; - - }, - - isPowerOfTwo: function ( value ) { - - return ( value & ( value - 1 ) ) === 0 && value !== 0; - - }, - - ceilPowerOfTwo: function ( value ) { - - return Math.pow( 2, Math.ceil( Math.log( value ) / Math.LN2 ) ); - - }, - - floorPowerOfTwo: function ( value ) { - - return Math.pow( 2, Math.floor( Math.log( value ) / Math.LN2 ) ); - - } - - }; - - /** + */var _lut=[];for(var i=0;i<256;i++){_lut[i]=(i<16?'0':'')+i.toString(16);}var _Math={DEG2RAD:Math.PI/180,RAD2DEG:180/Math.PI,generateUUID:function generateUUID(){// http://stackoverflow.com/questions/105034/how-to-create-a-guid-uuid-in-javascript/21963136#21963136 + var d0=Math.random()*0xffffffff|0;var d1=Math.random()*0xffffffff|0;var d2=Math.random()*0xffffffff|0;var d3=Math.random()*0xffffffff|0;var uuid=_lut[d0&0xff]+_lut[d0>>8&0xff]+_lut[d0>>16&0xff]+_lut[d0>>24&0xff]+'-'+_lut[d1&0xff]+_lut[d1>>8&0xff]+'-'+_lut[d1>>16&0x0f|0x40]+_lut[d1>>24&0xff]+'-'+_lut[d2&0x3f|0x80]+_lut[d2>>8&0xff]+'-'+_lut[d2>>16&0xff]+_lut[d2>>24&0xff]+_lut[d3&0xff]+_lut[d3>>8&0xff]+_lut[d3>>16&0xff]+_lut[d3>>24&0xff];// .toUpperCase() here flattens concatenated strings to save heap memory space. + return uuid.toUpperCase();},clamp:function clamp(value,min,max){return Math.max(min,Math.min(max,value));},// compute euclidian modulo of m % n + // https://en.wikipedia.org/wiki/Modulo_operation + euclideanModulo:function euclideanModulo(n,m){return (n%m+m)%m;},// Linear mapping from range to range + mapLinear:function mapLinear(x,a1,a2,b1,b2){return b1+(x-a1)*(b2-b1)/(a2-a1);},// https://en.wikipedia.org/wiki/Linear_interpolation + lerp:function lerp(x,y,t){return (1-t)*x+t*y;},// http://en.wikipedia.org/wiki/Smoothstep + smoothstep:function smoothstep(x,min,max){if(x<=min)return 0;if(x>=max)return 1;x=(x-min)/(max-min);return x*x*(3-2*x);},smootherstep:function smootherstep(x,min,max){if(x<=min)return 0;if(x>=max)return 1;x=(x-min)/(max-min);return x*x*x*(x*(x*6-15)+10);},// Random integer from interval + randInt:function randInt(low,high){return low+Math.floor(Math.random()*(high-low+1));},// Random float from interval + randFloat:function randFloat(low,high){return low+Math.random()*(high-low);},// Random float from <-range/2, range/2> interval + randFloatSpread:function randFloatSpread(range){return range*(0.5-Math.random());},degToRad:function degToRad(degrees){return degrees*_Math.DEG2RAD;},radToDeg:function radToDeg(radians){return radians*_Math.RAD2DEG;},isPowerOfTwo:function isPowerOfTwo(value){return (value&value-1)===0&&value!==0;},ceilPowerOfTwo:function ceilPowerOfTwo(value){return Math.pow(2,Math.ceil(Math.log(value)/Math.LN2));},floorPowerOfTwo:function floorPowerOfTwo(value){return Math.pow(2,Math.floor(Math.log(value)/Math.LN2));}};/** * @author mrdoob / http://mrdoob.com/ * @author philogb / http://blog.thejit.org/ * @author egraether / http://egraether.com/ * @author zz85 / http://www.lab4games.net/zz85/blog - */ - - function Vector2( x, y ) { - - this.x = x || 0; - this.y = y || 0; - - } - - Object.defineProperties( Vector2.prototype, { - - "width": { - - get: function () { - - return this.x; - - }, - - set: function ( value ) { - - this.x = value; - - } - - }, - - "height": { - - get: function () { - - return this.y; - - }, - - set: function ( value ) { - - this.y = value; - - } - - } - - } ); - - Object.assign( Vector2.prototype, { - - isVector2: true, - - set: function ( x, y ) { - - this.x = x; - this.y = y; - - return this; - - }, - - setScalar: function ( scalar ) { - - this.x = scalar; - this.y = scalar; - - return this; - - }, - - setX: function ( x ) { - - this.x = x; - - return this; - - }, - - setY: function ( y ) { - - this.y = y; - - return this; - - }, - - setComponent: function ( index, value ) { - - switch ( index ) { - - case 0: this.x = value; break; - case 1: this.y = value; break; - default: throw new Error( 'index is out of range: ' + index ); - - } - - return this; - - }, - - getComponent: function ( index ) { - - switch ( index ) { - - case 0: return this.x; - case 1: return this.y; - default: throw new Error( 'index is out of range: ' + index ); - - } - - }, - - clone: function () { - - return new this.constructor( this.x, this.y ); - - }, - - copy: function ( v ) { - - this.x = v.x; - this.y = v.y; - - return this; - - }, - - add: function ( v, w ) { - - if ( w !== undefined ) { - - console.warn( 'THREE.Vector2: .add() now only accepts one argument. Use .addVectors( a, b ) instead.' ); - return this.addVectors( v, w ); - - } - - this.x += v.x; - this.y += v.y; - - return this; - - }, - - addScalar: function ( s ) { - - this.x += s; - this.y += s; - - return this; - - }, - - addVectors: function ( a, b ) { - - this.x = a.x + b.x; - this.y = a.y + b.y; - - return this; - - }, - - addScaledVector: function ( v, s ) { - - this.x += v.x * s; - this.y += v.y * s; - - return this; - - }, - - sub: function ( v, w ) { - - if ( w !== undefined ) { - - console.warn( 'THREE.Vector2: .sub() now only accepts one argument. Use .subVectors( a, b ) instead.' ); - return this.subVectors( v, w ); - - } - - this.x -= v.x; - this.y -= v.y; - - return this; - - }, - - subScalar: function ( s ) { - - this.x -= s; - this.y -= s; - - return this; - - }, - - subVectors: function ( a, b ) { - - this.x = a.x - b.x; - this.y = a.y - b.y; - - return this; - - }, - - multiply: function ( v ) { - - this.x *= v.x; - this.y *= v.y; - - return this; - - }, - - multiplyScalar: function ( scalar ) { - - this.x *= scalar; - this.y *= scalar; - - return this; - - }, - - divide: function ( v ) { - - this.x /= v.x; - this.y /= v.y; - - return this; - - }, - - divideScalar: function ( scalar ) { - - return this.multiplyScalar( 1 / scalar ); - - }, - - applyMatrix3: function ( m ) { - - var x = this.x, y = this.y; - var e = m.elements; - - this.x = e[ 0 ] * x + e[ 3 ] * y + e[ 6 ]; - this.y = e[ 1 ] * x + e[ 4 ] * y + e[ 7 ]; - - return this; - - }, - - min: function ( v ) { - - this.x = Math.min( this.x, v.x ); - this.y = Math.min( this.y, v.y ); - - return this; - - }, - - max: function ( v ) { - - this.x = Math.max( this.x, v.x ); - this.y = Math.max( this.y, v.y ); - - return this; - - }, - - clamp: function ( min, max ) { - - // assumes min < max, componentwise - - this.x = Math.max( min.x, Math.min( max.x, this.x ) ); - this.y = Math.max( min.y, Math.min( max.y, this.y ) ); - - return this; - - }, - - clampScalar: function ( minVal, maxVal ) { - - this.x = Math.max( minVal, Math.min( maxVal, this.x ) ); - this.y = Math.max( minVal, Math.min( maxVal, this.y ) ); - - return this; - - }, - - clampLength: function ( min, max ) { - - var length = this.length(); - - return this.divideScalar( length || 1 ).multiplyScalar( Math.max( min, Math.min( max, length ) ) ); - - }, - - floor: function () { - - this.x = Math.floor( this.x ); - this.y = Math.floor( this.y ); - - return this; - - }, - - ceil: function () { - - this.x = Math.ceil( this.x ); - this.y = Math.ceil( this.y ); - - return this; - - }, - - round: function () { - - this.x = Math.round( this.x ); - this.y = Math.round( this.y ); - - return this; - - }, - - roundToZero: function () { - - this.x = ( this.x < 0 ) ? Math.ceil( this.x ) : Math.floor( this.x ); - this.y = ( this.y < 0 ) ? Math.ceil( this.y ) : Math.floor( this.y ); - - return this; - - }, - - negate: function () { - - this.x = - this.x; - this.y = - this.y; - - return this; + */function Vector2(x,y){this.x=x||0;this.y=y||0;}Object.defineProperties(Vector2.prototype,{"width":{get:function get(){return this.x;},set:function set(value){this.x=value;}},"height":{get:function get(){return this.y;},set:function set(value){this.y=value;}}});Object.assign(Vector2.prototype,{isVector2:true,set:function set(x,y){this.x=x;this.y=y;return this;},setScalar:function setScalar(scalar){this.x=scalar;this.y=scalar;return this;},setX:function setX(x){this.x=x;return this;},setY:function setY(y){this.y=y;return this;},setComponent:function setComponent(index,value){switch(index){case 0:this.x=value;break;case 1:this.y=value;break;default:throw new Error('index is out of range: '+index);}return this;},getComponent:function getComponent(index){switch(index){case 0:return this.x;case 1:return this.y;default:throw new Error('index is out of range: '+index);}},clone:function clone(){return new this.constructor(this.x,this.y);},copy:function copy(v){this.x=v.x;this.y=v.y;return this;},add:function add(v,w){if(w!==undefined){console.warn('THREE.Vector2: .add() now only accepts one argument. Use .addVectors( a, b ) instead.');return this.addVectors(v,w);}this.x+=v.x;this.y+=v.y;return this;},addScalar:function addScalar(s){this.x+=s;this.y+=s;return this;},addVectors:function addVectors(a,b){this.x=a.x+b.x;this.y=a.y+b.y;return this;},addScaledVector:function addScaledVector(v,s){this.x+=v.x*s;this.y+=v.y*s;return this;},sub:function sub(v,w){if(w!==undefined){console.warn('THREE.Vector2: .sub() now only accepts one argument. Use .subVectors( a, b ) instead.');return this.subVectors(v,w);}this.x-=v.x;this.y-=v.y;return this;},subScalar:function subScalar(s){this.x-=s;this.y-=s;return this;},subVectors:function subVectors(a,b){this.x=a.x-b.x;this.y=a.y-b.y;return this;},multiply:function multiply(v){this.x*=v.x;this.y*=v.y;return this;},multiplyScalar:function multiplyScalar(scalar){this.x*=scalar;this.y*=scalar;return this;},divide:function divide(v){this.x/=v.x;this.y/=v.y;return this;},divideScalar:function divideScalar(scalar){return this.multiplyScalar(1/scalar);},applyMatrix3:function applyMatrix3(m){var x=this.x,y=this.y;var e=m.elements;this.x=e[0]*x+e[3]*y+e[6];this.y=e[1]*x+e[4]*y+e[7];return this;},min:function min(v){this.x=Math.min(this.x,v.x);this.y=Math.min(this.y,v.y);return this;},max:function max(v){this.x=Math.max(this.x,v.x);this.y=Math.max(this.y,v.y);return this;},clamp:function clamp(min,max){// assumes min < max, componentwise + this.x=Math.max(min.x,Math.min(max.x,this.x));this.y=Math.max(min.y,Math.min(max.y,this.y));return this;},clampScalar:function clampScalar(minVal,maxVal){this.x=Math.max(minVal,Math.min(maxVal,this.x));this.y=Math.max(minVal,Math.min(maxVal,this.y));return this;},clampLength:function clampLength(min,max){var length=this.length();return this.divideScalar(length||1).multiplyScalar(Math.max(min,Math.min(max,length)));},floor:function floor(){this.x=Math.floor(this.x);this.y=Math.floor(this.y);return this;},ceil:function ceil(){this.x=Math.ceil(this.x);this.y=Math.ceil(this.y);return this;},round:function round(){this.x=Math.round(this.x);this.y=Math.round(this.y);return this;},roundToZero:function roundToZero(){this.x=this.x<0?Math.ceil(this.x):Math.floor(this.x);this.y=this.y<0?Math.ceil(this.y):Math.floor(this.y);return this;},negate:function negate(){this.x=-this.x;this.y=-this.y;return this;},dot:function dot(v){return this.x*v.x+this.y*v.y;},cross:function cross(v){return this.x*v.y-this.y*v.x;},lengthSq:function lengthSq(){return this.x*this.x+this.y*this.y;},length:function length(){return Math.sqrt(this.x*this.x+this.y*this.y);},manhattanLength:function manhattanLength(){return Math.abs(this.x)+Math.abs(this.y);},normalize:function normalize(){return this.divideScalar(this.length()||1);},angle:function angle(){// computes the angle in radians with respect to the positive x-axis + var angle=Math.atan2(this.y,this.x);if(angle<0)angle+=2*Math.PI;return angle;},distanceTo:function distanceTo(v){return Math.sqrt(this.distanceToSquared(v));},distanceToSquared:function distanceToSquared(v){var dx=this.x-v.x,dy=this.y-v.y;return dx*dx+dy*dy;},manhattanDistanceTo:function manhattanDistanceTo(v){return Math.abs(this.x-v.x)+Math.abs(this.y-v.y);},setLength:function setLength(length){return this.normalize().multiplyScalar(length);},lerp:function lerp(v,alpha){this.x+=(v.x-this.x)*alpha;this.y+=(v.y-this.y)*alpha;return this;},lerpVectors:function lerpVectors(v1,v2,alpha){return this.subVectors(v2,v1).multiplyScalar(alpha).add(v1);},equals:function equals(v){return v.x===this.x&&v.y===this.y;},fromArray:function fromArray(array,offset){if(offset===undefined)offset=0;this.x=array[offset];this.y=array[offset+1];return this;},toArray:function toArray(array,offset){if(array===undefined)array=[];if(offset===undefined)offset=0;array[offset]=this.x;array[offset+1]=this.y;return array;},fromBufferAttribute:function fromBufferAttribute(attribute,index,offset){if(offset!==undefined){console.warn('THREE.Vector2: offset has been removed from .fromBufferAttribute().');}this.x=attribute.getX(index);this.y=attribute.getY(index);return this;},rotateAround:function rotateAround(center,angle){var c=Math.cos(angle),s=Math.sin(angle);var x=this.x-center.x;var y=this.y-center.y;this.x=x*c-y*s+center.x;this.y=x*s+y*c+center.y;return this;}});/** + * @author mikael emtinger / http://gomo.se/ + * @author alteredq / http://alteredqualia.com/ + * @author WestLangley / http://github.com/WestLangley + * @author bhouston / http://clara.io + */function Quaternion(x,y,z,w){this._x=x||0;this._y=y||0;this._z=z||0;this._w=w!==undefined?w:1;}Object.assign(Quaternion,{slerp:function slerp(qa,qb,qm,t){return qm.copy(qa).slerp(qb,t);},slerpFlat:function slerpFlat(dst,dstOffset,src0,srcOffset0,src1,srcOffset1,t){// fuzz-free, array-based Quaternion SLERP operation + var x0=src0[srcOffset0+0],y0=src0[srcOffset0+1],z0=src0[srcOffset0+2],w0=src0[srcOffset0+3],x1=src1[srcOffset1+0],y1=src1[srcOffset1+1],z1=src1[srcOffset1+2],w1=src1[srcOffset1+3];if(w0!==w1||x0!==x1||y0!==y1||z0!==z1){var s=1-t,cos=x0*x1+y0*y1+z0*z1+w0*w1,dir=cos>=0?1:-1,sqrSin=1-cos*cos;// Skip the Slerp for tiny steps to avoid numeric problems: + if(sqrSin>Number.EPSILON){var sin=Math.sqrt(sqrSin),len=Math.atan2(sin,cos*dir);s=Math.sin(s*len)/sin;t=Math.sin(t*len)/sin;}var tDir=t*dir;x0=x0*s+x1*tDir;y0=y0*s+y1*tDir;z0=z0*s+z1*tDir;w0=w0*s+w1*tDir;// Normalize in case we just did a lerp: + if(s===1-t){var f=1/Math.sqrt(x0*x0+y0*y0+z0*z0+w0*w0);x0*=f;y0*=f;z0*=f;w0*=f;}}dst[dstOffset]=x0;dst[dstOffset+1]=y0;dst[dstOffset+2]=z0;dst[dstOffset+3]=w0;}});Object.defineProperties(Quaternion.prototype,{x:{get:function get(){return this._x;},set:function set(value){this._x=value;this._onChangeCallback();}},y:{get:function get(){return this._y;},set:function set(value){this._y=value;this._onChangeCallback();}},z:{get:function get(){return this._z;},set:function set(value){this._z=value;this._onChangeCallback();}},w:{get:function get(){return this._w;},set:function set(value){this._w=value;this._onChangeCallback();}}});Object.assign(Quaternion.prototype,{isQuaternion:true,set:function set(x,y,z,w){this._x=x;this._y=y;this._z=z;this._w=w;this._onChangeCallback();return this;},clone:function clone(){return new this.constructor(this._x,this._y,this._z,this._w);},copy:function copy(quaternion){this._x=quaternion.x;this._y=quaternion.y;this._z=quaternion.z;this._w=quaternion.w;this._onChangeCallback();return this;},setFromEuler:function setFromEuler(euler,update){if(!(euler&&euler.isEuler)){throw new Error('THREE.Quaternion: .setFromEuler() now expects an Euler rotation rather than a Vector3 and order.');}var x=euler._x,y=euler._y,z=euler._z,order=euler.order;// http://www.mathworks.com/matlabcentral/fileexchange/ + // 20696-function-to-convert-between-dcm-euler-angles-quaternions-and-euler-vectors/ + // content/SpinCalc.m + var cos=Math.cos;var sin=Math.sin;var c1=cos(x/2);var c2=cos(y/2);var c3=cos(z/2);var s1=sin(x/2);var s2=sin(y/2);var s3=sin(z/2);if(order==='XYZ'){this._x=s1*c2*c3+c1*s2*s3;this._y=c1*s2*c3-s1*c2*s3;this._z=c1*c2*s3+s1*s2*c3;this._w=c1*c2*c3-s1*s2*s3;}else if(order==='YXZ'){this._x=s1*c2*c3+c1*s2*s3;this._y=c1*s2*c3-s1*c2*s3;this._z=c1*c2*s3-s1*s2*c3;this._w=c1*c2*c3+s1*s2*s3;}else if(order==='ZXY'){this._x=s1*c2*c3-c1*s2*s3;this._y=c1*s2*c3+s1*c2*s3;this._z=c1*c2*s3+s1*s2*c3;this._w=c1*c2*c3-s1*s2*s3;}else if(order==='ZYX'){this._x=s1*c2*c3-c1*s2*s3;this._y=c1*s2*c3+s1*c2*s3;this._z=c1*c2*s3-s1*s2*c3;this._w=c1*c2*c3+s1*s2*s3;}else if(order==='YZX'){this._x=s1*c2*c3+c1*s2*s3;this._y=c1*s2*c3+s1*c2*s3;this._z=c1*c2*s3-s1*s2*c3;this._w=c1*c2*c3-s1*s2*s3;}else if(order==='XZY'){this._x=s1*c2*c3-c1*s2*s3;this._y=c1*s2*c3-s1*c2*s3;this._z=c1*c2*s3+s1*s2*c3;this._w=c1*c2*c3+s1*s2*s3;}if(update!==false)this._onChangeCallback();return this;},setFromAxisAngle:function setFromAxisAngle(axis,angle){// http://www.euclideanspace.com/maths/geometry/rotations/conversions/angleToQuaternion/index.htm + // assumes axis is normalized + var halfAngle=angle/2,s=Math.sin(halfAngle);this._x=axis.x*s;this._y=axis.y*s;this._z=axis.z*s;this._w=Math.cos(halfAngle);this._onChangeCallback();return this;},setFromRotationMatrix:function setFromRotationMatrix(m){// http://www.euclideanspace.com/maths/geometry/rotations/conversions/matrixToQuaternion/index.htm + // assumes the upper 3x3 of m is a pure rotation matrix (i.e, unscaled) + var te=m.elements,m11=te[0],m12=te[4],m13=te[8],m21=te[1],m22=te[5],m23=te[9],m31=te[2],m32=te[6],m33=te[10],trace=m11+m22+m33,s;if(trace>0){s=0.5/Math.sqrt(trace+1.0);this._w=0.25/s;this._x=(m32-m23)*s;this._y=(m13-m31)*s;this._z=(m21-m12)*s;}else if(m11>m22&&m11>m33){s=2.0*Math.sqrt(1.0+m11-m22-m33);this._w=(m32-m23)/s;this._x=0.25*s;this._y=(m12+m21)/s;this._z=(m13+m31)/s;}else if(m22>m33){s=2.0*Math.sqrt(1.0+m22-m11-m33);this._w=(m13-m31)/s;this._x=(m12+m21)/s;this._y=0.25*s;this._z=(m23+m32)/s;}else{s=2.0*Math.sqrt(1.0+m33-m11-m22);this._w=(m21-m12)/s;this._x=(m13+m31)/s;this._y=(m23+m32)/s;this._z=0.25*s;}this._onChangeCallback();return this;},setFromUnitVectors:function setFromUnitVectors(vFrom,vTo){// assumes direction vectors vFrom and vTo are normalized + var EPS=0.000001;var r=vFrom.dot(vTo)+1;if(rMath.abs(vFrom.z)){this._x=-vFrom.y;this._y=vFrom.x;this._z=0;this._w=r;}else{this._x=0;this._y=-vFrom.z;this._z=vFrom.y;this._w=r;}}else{// crossVectors( vFrom, vTo ); // inlined to avoid cyclic dependency on Vector3 + this._x=vFrom.y*vTo.z-vFrom.z*vTo.y;this._y=vFrom.z*vTo.x-vFrom.x*vTo.z;this._z=vFrom.x*vTo.y-vFrom.y*vTo.x;this._w=r;}return this.normalize();},angleTo:function angleTo(q){return 2*Math.acos(Math.abs(_Math.clamp(this.dot(q),-1,1)));},rotateTowards:function rotateTowards(q,step){var angle=this.angleTo(q);if(angle===0)return this;var t=Math.min(1,step/angle);this.slerp(q,t);return this;},inverse:function inverse(){// quaternion is assumed to have unit length + return this.conjugate();},conjugate:function conjugate(){this._x*=-1;this._y*=-1;this._z*=-1;this._onChangeCallback();return this;},dot:function dot(v){return this._x*v._x+this._y*v._y+this._z*v._z+this._w*v._w;},lengthSq:function lengthSq(){return this._x*this._x+this._y*this._y+this._z*this._z+this._w*this._w;},length:function length(){return Math.sqrt(this._x*this._x+this._y*this._y+this._z*this._z+this._w*this._w);},normalize:function normalize(){var l=this.length();if(l===0){this._x=0;this._y=0;this._z=0;this._w=1;}else{l=1/l;this._x=this._x*l;this._y=this._y*l;this._z=this._z*l;this._w=this._w*l;}this._onChangeCallback();return this;},multiply:function multiply(q,p){if(p!==undefined){console.warn('THREE.Quaternion: .multiply() now only accepts one argument. Use .multiplyQuaternions( a, b ) instead.');return this.multiplyQuaternions(q,p);}return this.multiplyQuaternions(this,q);},premultiply:function premultiply(q){return this.multiplyQuaternions(q,this);},multiplyQuaternions:function multiplyQuaternions(a,b){// from http://www.euclideanspace.com/maths/algebra/realNormedAlgebra/quaternions/code/index.htm + var qax=a._x,qay=a._y,qaz=a._z,qaw=a._w;var qbx=b._x,qby=b._y,qbz=b._z,qbw=b._w;this._x=qax*qbw+qaw*qbx+qay*qbz-qaz*qby;this._y=qay*qbw+qaw*qby+qaz*qbx-qax*qbz;this._z=qaz*qbw+qaw*qbz+qax*qby-qay*qbx;this._w=qaw*qbw-qax*qbx-qay*qby-qaz*qbz;this._onChangeCallback();return this;},slerp:function slerp(qb,t){if(t===0)return this;if(t===1)return this.copy(qb);var x=this._x,y=this._y,z=this._z,w=this._w;// http://www.euclideanspace.com/maths/algebra/realNormedAlgebra/quaternions/slerp/ + var cosHalfTheta=w*qb._w+x*qb._x+y*qb._y+z*qb._z;if(cosHalfTheta<0){this._w=-qb._w;this._x=-qb._x;this._y=-qb._y;this._z=-qb._z;cosHalfTheta=-cosHalfTheta;}else{this.copy(qb);}if(cosHalfTheta>=1.0){this._w=w;this._x=x;this._y=y;this._z=z;return this;}var sqrSinHalfTheta=1.0-cosHalfTheta*cosHalfTheta;if(sqrSinHalfTheta<=Number.EPSILON){var s=1-t;this._w=s*w+t*this._w;this._x=s*x+t*this._x;this._y=s*y+t*this._y;this._z=s*z+t*this._z;this.normalize();this._onChangeCallback();return this;}var sinHalfTheta=Math.sqrt(sqrSinHalfTheta);var halfTheta=Math.atan2(sinHalfTheta,cosHalfTheta);var ratioA=Math.sin((1-t)*halfTheta)/sinHalfTheta,ratioB=Math.sin(t*halfTheta)/sinHalfTheta;this._w=w*ratioA+this._w*ratioB;this._x=x*ratioA+this._x*ratioB;this._y=y*ratioA+this._y*ratioB;this._z=z*ratioA+this._z*ratioB;this._onChangeCallback();return this;},equals:function equals(quaternion){return quaternion._x===this._x&&quaternion._y===this._y&&quaternion._z===this._z&&quaternion._w===this._w;},fromArray:function fromArray(array,offset){if(offset===undefined)offset=0;this._x=array[offset];this._y=array[offset+1];this._z=array[offset+2];this._w=array[offset+3];this._onChangeCallback();return this;},toArray:function toArray(array,offset){if(array===undefined)array=[];if(offset===undefined)offset=0;array[offset]=this._x;array[offset+1]=this._y;array[offset+2]=this._z;array[offset+3]=this._w;return array;},_onChange:function _onChange(callback){this._onChangeCallback=callback;return this;},_onChangeCallback:function _onChangeCallback(){}});/** + * @author mrdoob / http://mrdoob.com/ + * @author kile / http://kile.stravaganza.org/ + * @author philogb / http://blog.thejit.org/ + * @author mikael emtinger / http://gomo.se/ + * @author egraether / http://egraether.com/ + * @author WestLangley / http://github.com/WestLangley + */var _vector=new Vector3();var _quaternion=new Quaternion();function Vector3(x,y,z){this.x=x||0;this.y=y||0;this.z=z||0;}Object.assign(Vector3.prototype,{isVector3:true,set:function set(x,y,z){this.x=x;this.y=y;this.z=z;return this;},setScalar:function setScalar(scalar){this.x=scalar;this.y=scalar;this.z=scalar;return this;},setX:function setX(x){this.x=x;return this;},setY:function setY(y){this.y=y;return this;},setZ:function setZ(z){this.z=z;return this;},setComponent:function setComponent(index,value){switch(index){case 0:this.x=value;break;case 1:this.y=value;break;case 2:this.z=value;break;default:throw new Error('index is out of range: '+index);}return this;},getComponent:function getComponent(index){switch(index){case 0:return this.x;case 1:return this.y;case 2:return this.z;default:throw new Error('index is out of range: '+index);}},clone:function clone(){return new this.constructor(this.x,this.y,this.z);},copy:function copy(v){this.x=v.x;this.y=v.y;this.z=v.z;return this;},add:function add(v,w){if(w!==undefined){console.warn('THREE.Vector3: .add() now only accepts one argument. Use .addVectors( a, b ) instead.');return this.addVectors(v,w);}this.x+=v.x;this.y+=v.y;this.z+=v.z;return this;},addScalar:function addScalar(s){this.x+=s;this.y+=s;this.z+=s;return this;},addVectors:function addVectors(a,b){this.x=a.x+b.x;this.y=a.y+b.y;this.z=a.z+b.z;return this;},addScaledVector:function addScaledVector(v,s){this.x+=v.x*s;this.y+=v.y*s;this.z+=v.z*s;return this;},sub:function sub(v,w){if(w!==undefined){console.warn('THREE.Vector3: .sub() now only accepts one argument. Use .subVectors( a, b ) instead.');return this.subVectors(v,w);}this.x-=v.x;this.y-=v.y;this.z-=v.z;return this;},subScalar:function subScalar(s){this.x-=s;this.y-=s;this.z-=s;return this;},subVectors:function subVectors(a,b){this.x=a.x-b.x;this.y=a.y-b.y;this.z=a.z-b.z;return this;},multiply:function multiply(v,w){if(w!==undefined){console.warn('THREE.Vector3: .multiply() now only accepts one argument. Use .multiplyVectors( a, b ) instead.');return this.multiplyVectors(v,w);}this.x*=v.x;this.y*=v.y;this.z*=v.z;return this;},multiplyScalar:function multiplyScalar(scalar){this.x*=scalar;this.y*=scalar;this.z*=scalar;return this;},multiplyVectors:function multiplyVectors(a,b){this.x=a.x*b.x;this.y=a.y*b.y;this.z=a.z*b.z;return this;},applyEuler:function applyEuler(euler){if(!(euler&&euler.isEuler)){console.error('THREE.Vector3: .applyEuler() now expects an Euler rotation rather than a Vector3 and order.');}return this.applyQuaternion(_quaternion.setFromEuler(euler));},applyAxisAngle:function applyAxisAngle(axis,angle){return this.applyQuaternion(_quaternion.setFromAxisAngle(axis,angle));},applyMatrix3:function applyMatrix3(m){var x=this.x,y=this.y,z=this.z;var e=m.elements;this.x=e[0]*x+e[3]*y+e[6]*z;this.y=e[1]*x+e[4]*y+e[7]*z;this.z=e[2]*x+e[5]*y+e[8]*z;return this;},applyMatrix4:function applyMatrix4(m){var x=this.x,y=this.y,z=this.z;var e=m.elements;var w=1/(e[3]*x+e[7]*y+e[11]*z+e[15]);this.x=(e[0]*x+e[4]*y+e[8]*z+e[12])*w;this.y=(e[1]*x+e[5]*y+e[9]*z+e[13])*w;this.z=(e[2]*x+e[6]*y+e[10]*z+e[14])*w;return this;},applyQuaternion:function applyQuaternion(q){var x=this.x,y=this.y,z=this.z;var qx=q.x,qy=q.y,qz=q.z,qw=q.w;// calculate quat * vector + var ix=qw*x+qy*z-qz*y;var iy=qw*y+qz*x-qx*z;var iz=qw*z+qx*y-qy*x;var iw=-qx*x-qy*y-qz*z;// calculate result * inverse quat + this.x=ix*qw+iw*-qx+iy*-qz-iz*-qy;this.y=iy*qw+iw*-qy+iz*-qx-ix*-qz;this.z=iz*qw+iw*-qz+ix*-qy-iy*-qx;return this;},project:function project(camera){return this.applyMatrix4(camera.matrixWorldInverse).applyMatrix4(camera.projectionMatrix);},unproject:function unproject(camera){return this.applyMatrix4(camera.projectionMatrixInverse).applyMatrix4(camera.matrixWorld);},transformDirection:function transformDirection(m){// input: THREE.Matrix4 affine matrix + // vector interpreted as a direction + var x=this.x,y=this.y,z=this.z;var e=m.elements;this.x=e[0]*x+e[4]*y+e[8]*z;this.y=e[1]*x+e[5]*y+e[9]*z;this.z=e[2]*x+e[6]*y+e[10]*z;return this.normalize();},divide:function divide(v){this.x/=v.x;this.y/=v.y;this.z/=v.z;return this;},divideScalar:function divideScalar(scalar){return this.multiplyScalar(1/scalar);},min:function min(v){this.x=Math.min(this.x,v.x);this.y=Math.min(this.y,v.y);this.z=Math.min(this.z,v.z);return this;},max:function max(v){this.x=Math.max(this.x,v.x);this.y=Math.max(this.y,v.y);this.z=Math.max(this.z,v.z);return this;},clamp:function clamp(min,max){// assumes min < max, componentwise + this.x=Math.max(min.x,Math.min(max.x,this.x));this.y=Math.max(min.y,Math.min(max.y,this.y));this.z=Math.max(min.z,Math.min(max.z,this.z));return this;},clampScalar:function clampScalar(minVal,maxVal){this.x=Math.max(minVal,Math.min(maxVal,this.x));this.y=Math.max(minVal,Math.min(maxVal,this.y));this.z=Math.max(minVal,Math.min(maxVal,this.z));return this;},clampLength:function clampLength(min,max){var length=this.length();return this.divideScalar(length||1).multiplyScalar(Math.max(min,Math.min(max,length)));},floor:function floor(){this.x=Math.floor(this.x);this.y=Math.floor(this.y);this.z=Math.floor(this.z);return this;},ceil:function ceil(){this.x=Math.ceil(this.x);this.y=Math.ceil(this.y);this.z=Math.ceil(this.z);return this;},round:function round(){this.x=Math.round(this.x);this.y=Math.round(this.y);this.z=Math.round(this.z);return this;},roundToZero:function roundToZero(){this.x=this.x<0?Math.ceil(this.x):Math.floor(this.x);this.y=this.y<0?Math.ceil(this.y):Math.floor(this.y);this.z=this.z<0?Math.ceil(this.z):Math.floor(this.z);return this;},negate:function negate(){this.x=-this.x;this.y=-this.y;this.z=-this.z;return this;},dot:function dot(v){return this.x*v.x+this.y*v.y+this.z*v.z;},// TODO lengthSquared? + lengthSq:function lengthSq(){return this.x*this.x+this.y*this.y+this.z*this.z;},length:function length(){return Math.sqrt(this.x*this.x+this.y*this.y+this.z*this.z);},manhattanLength:function manhattanLength(){return Math.abs(this.x)+Math.abs(this.y)+Math.abs(this.z);},normalize:function normalize(){return this.divideScalar(this.length()||1);},setLength:function setLength(length){return this.normalize().multiplyScalar(length);},lerp:function lerp(v,alpha){this.x+=(v.x-this.x)*alpha;this.y+=(v.y-this.y)*alpha;this.z+=(v.z-this.z)*alpha;return this;},lerpVectors:function lerpVectors(v1,v2,alpha){return this.subVectors(v2,v1).multiplyScalar(alpha).add(v1);},cross:function cross(v,w){if(w!==undefined){console.warn('THREE.Vector3: .cross() now only accepts one argument. Use .crossVectors( a, b ) instead.');return this.crossVectors(v,w);}return this.crossVectors(this,v);},crossVectors:function crossVectors(a,b){var ax=a.x,ay=a.y,az=a.z;var bx=b.x,by=b.y,bz=b.z;this.x=ay*bz-az*by;this.y=az*bx-ax*bz;this.z=ax*by-ay*bx;return this;},projectOnVector:function projectOnVector(v){// v cannot be the zero v + var scalar=v.dot(this)/v.lengthSq();return this.copy(v).multiplyScalar(scalar);},projectOnPlane:function projectOnPlane(planeNormal){_vector.copy(this).projectOnVector(planeNormal);return this.sub(_vector);},reflect:function reflect(normal){// reflect incident vector off plane orthogonal to normal + // normal is assumed to have unit length + return this.sub(_vector.copy(normal).multiplyScalar(2*this.dot(normal)));},angleTo:function angleTo(v){var denominator=Math.sqrt(this.lengthSq()*v.lengthSq());if(denominator===0)console.error('THREE.Vector3: angleTo() can\'t handle zero length vectors.');var theta=this.dot(v)/denominator;// clamp, to handle numerical problems + return Math.acos(_Math.clamp(theta,-1,1));},distanceTo:function distanceTo(v){return Math.sqrt(this.distanceToSquared(v));},distanceToSquared:function distanceToSquared(v){var dx=this.x-v.x,dy=this.y-v.y,dz=this.z-v.z;return dx*dx+dy*dy+dz*dz;},manhattanDistanceTo:function manhattanDistanceTo(v){return Math.abs(this.x-v.x)+Math.abs(this.y-v.y)+Math.abs(this.z-v.z);},setFromSpherical:function setFromSpherical(s){return this.setFromSphericalCoords(s.radius,s.phi,s.theta);},setFromSphericalCoords:function setFromSphericalCoords(radius,phi,theta){var sinPhiRadius=Math.sin(phi)*radius;this.x=sinPhiRadius*Math.sin(theta);this.y=Math.cos(phi)*radius;this.z=sinPhiRadius*Math.cos(theta);return this;},setFromCylindrical:function setFromCylindrical(c){return this.setFromCylindricalCoords(c.radius,c.theta,c.y);},setFromCylindricalCoords:function setFromCylindricalCoords(radius,theta,y){this.x=radius*Math.sin(theta);this.y=y;this.z=radius*Math.cos(theta);return this;},setFromMatrixPosition:function setFromMatrixPosition(m){var e=m.elements;this.x=e[12];this.y=e[13];this.z=e[14];return this;},setFromMatrixScale:function setFromMatrixScale(m){var sx=this.setFromMatrixColumn(m,0).length();var sy=this.setFromMatrixColumn(m,1).length();var sz=this.setFromMatrixColumn(m,2).length();this.x=sx;this.y=sy;this.z=sz;return this;},setFromMatrixColumn:function setFromMatrixColumn(m,index){return this.fromArray(m.elements,index*4);},equals:function equals(v){return v.x===this.x&&v.y===this.y&&v.z===this.z;},fromArray:function fromArray(array,offset){if(offset===undefined)offset=0;this.x=array[offset];this.y=array[offset+1];this.z=array[offset+2];return this;},toArray:function toArray(array,offset){if(array===undefined)array=[];if(offset===undefined)offset=0;array[offset]=this.x;array[offset+1]=this.y;array[offset+2]=this.z;return array;},fromBufferAttribute:function fromBufferAttribute(attribute,index,offset){if(offset!==undefined){console.warn('THREE.Vector3: offset has been removed from .fromBufferAttribute().');}this.x=attribute.getX(index);this.y=attribute.getY(index);this.z=attribute.getZ(index);return this;}});/** + * @author alteredq / http://alteredqualia.com/ + * @author WestLangley / http://github.com/WestLangley + * @author bhouston / http://clara.io + * @author tschw + */var _vector$1=new Vector3();function Matrix3(){this.elements=[1,0,0,0,1,0,0,0,1];if(arguments.length>0){console.error('THREE.Matrix3: the constructor no longer reads arguments. use .set() instead.');}}Object.assign(Matrix3.prototype,{isMatrix3:true,set:function set(n11,n12,n13,n21,n22,n23,n31,n32,n33){var te=this.elements;te[0]=n11;te[1]=n21;te[2]=n31;te[3]=n12;te[4]=n22;te[5]=n32;te[6]=n13;te[7]=n23;te[8]=n33;return this;},identity:function identity(){this.set(1,0,0,0,1,0,0,0,1);return this;},clone:function clone(){return new this.constructor().fromArray(this.elements);},copy:function copy(m){var te=this.elements;var me=m.elements;te[0]=me[0];te[1]=me[1];te[2]=me[2];te[3]=me[3];te[4]=me[4];te[5]=me[5];te[6]=me[6];te[7]=me[7];te[8]=me[8];return this;},setFromMatrix4:function setFromMatrix4(m){var me=m.elements;this.set(me[0],me[4],me[8],me[1],me[5],me[9],me[2],me[6],me[10]);return this;},applyToBufferAttribute:function applyToBufferAttribute(attribute){for(var i=0,l=attribute.count;i2048||canvas.height>2048){return canvas.toDataURL('image/jpeg',0.6);}else{return canvas.toDataURL('image/png');}}};/** + * @author mrdoob / http://mrdoob.com/ + * @author alteredq / http://alteredqualia.com/ + * @author szimek / https://github.com/szimek/ + */var textureId=0;function Texture(image,mapping,wrapS,wrapT,magFilter,minFilter,format,type,anisotropy,encoding){Object.defineProperty(this,'id',{value:textureId++});this.uuid=_Math.generateUUID();this.name='';this.image=image!==undefined?image:Texture.DEFAULT_IMAGE;this.mipmaps=[];this.mapping=mapping!==undefined?mapping:Texture.DEFAULT_MAPPING;this.wrapS=wrapS!==undefined?wrapS:ClampToEdgeWrapping;this.wrapT=wrapT!==undefined?wrapT:ClampToEdgeWrapping;this.magFilter=magFilter!==undefined?magFilter:LinearFilter;this.minFilter=minFilter!==undefined?minFilter:LinearMipmapLinearFilter;this.anisotropy=anisotropy!==undefined?anisotropy:1;this.format=format!==undefined?format:RGBAFormat;this.type=type!==undefined?type:UnsignedByteType;this.offset=new Vector2(0,0);this.repeat=new Vector2(1,1);this.center=new Vector2(0,0);this.rotation=0;this.matrixAutoUpdate=true;this.matrix=new Matrix3();this.generateMipmaps=true;this.premultiplyAlpha=false;this.flipY=true;this.unpackAlignment=4;// valid values: 1, 2, 4, 8 (see http://www.khronos.org/opengles/sdk/docs/man/xhtml/glPixelStorei.xml) + // Values of encoding !== THREE.LinearEncoding only supported on map, envMap and emissiveMap. + // + // Also changing the encoding after already used by a Material will not automatically make the Material + // update. You need to explicitly call Material.needsUpdate to trigger it to recompile. + this.encoding=encoding!==undefined?encoding:LinearEncoding;this.version=0;this.onUpdate=null;}Texture.DEFAULT_IMAGE=undefined;Texture.DEFAULT_MAPPING=UVMapping;Texture.prototype=Object.assign(Object.create(EventDispatcher.prototype),{constructor:Texture,isTexture:true,updateMatrix:function updateMatrix(){this.matrix.setUvTransform(this.offset.x,this.offset.y,this.repeat.x,this.repeat.y,this.rotation,this.center.x,this.center.y);},clone:function clone(){return new this.constructor().copy(this);},copy:function copy(source){this.name=source.name;this.image=source.image;this.mipmaps=source.mipmaps.slice(0);this.mapping=source.mapping;this.wrapS=source.wrapS;this.wrapT=source.wrapT;this.magFilter=source.magFilter;this.minFilter=source.minFilter;this.anisotropy=source.anisotropy;this.format=source.format;this.type=source.type;this.offset.copy(source.offset);this.repeat.copy(source.repeat);this.center.copy(source.center);this.rotation=source.rotation;this.matrixAutoUpdate=source.matrixAutoUpdate;this.matrix.copy(source.matrix);this.generateMipmaps=source.generateMipmaps;this.premultiplyAlpha=source.premultiplyAlpha;this.flipY=source.flipY;this.unpackAlignment=source.unpackAlignment;this.encoding=source.encoding;return this;},toJSON:function toJSON(meta){var isRootObject=meta===undefined||typeof meta==='string';if(!isRootObject&&meta.textures[this.uuid]!==undefined){return meta.textures[this.uuid];}var output={metadata:{version:4.5,type:'Texture',generator:'Texture.toJSON'},uuid:this.uuid,name:this.name,mapping:this.mapping,repeat:[this.repeat.x,this.repeat.y],offset:[this.offset.x,this.offset.y],center:[this.center.x,this.center.y],rotation:this.rotation,wrap:[this.wrapS,this.wrapT],format:this.format,type:this.type,encoding:this.encoding,minFilter:this.minFilter,magFilter:this.magFilter,anisotropy:this.anisotropy,flipY:this.flipY,premultiplyAlpha:this.premultiplyAlpha,unpackAlignment:this.unpackAlignment};if(this.image!==undefined){// TODO: Move to THREE.Image + var image=this.image;if(image.uuid===undefined){image.uuid=_Math.generateUUID();// UGH + }if(!isRootObject&&meta.images[image.uuid]===undefined){var url;if(Array.isArray(image)){// process array of images e.g. CubeTexture + url=[];for(var i=0,l=image.length;i1){switch(this.wrapS){case RepeatWrapping:uv.x=uv.x-Math.floor(uv.x);break;case ClampToEdgeWrapping:uv.x=uv.x<0?0:1;break;case MirroredRepeatWrapping:if(Math.abs(Math.floor(uv.x)%2)===1){uv.x=Math.ceil(uv.x)-uv.x;}else{uv.x=uv.x-Math.floor(uv.x);}break;}}if(uv.y<0||uv.y>1){switch(this.wrapT){case RepeatWrapping:uv.y=uv.y-Math.floor(uv.y);break;case ClampToEdgeWrapping:uv.y=uv.y<0?0:1;break;case MirroredRepeatWrapping:if(Math.abs(Math.floor(uv.y)%2)===1){uv.y=Math.ceil(uv.y)-uv.y;}else{uv.y=uv.y-Math.floor(uv.y);}break;}}if(this.flipY){uv.y=1-uv.y;}return uv;}});Object.defineProperty(Texture.prototype,"needsUpdate",{set:function set(value){if(value===true)this.version++;}});/** + * @author supereggbert / http://www.paulbrunt.co.uk/ + * @author philogb / http://blog.thejit.org/ + * @author mikael emtinger / http://gomo.se/ + * @author egraether / http://egraether.com/ + * @author WestLangley / http://github.com/WestLangley + */function Vector4(x,y,z,w){this.x=x||0;this.y=y||0;this.z=z||0;this.w=w!==undefined?w:1;}Object.defineProperties(Vector4.prototype,{"width":{get:function get(){return this.z;},set:function set(value){this.z=value;}},"height":{get:function get(){return this.w;},set:function set(value){this.w=value;}}});Object.assign(Vector4.prototype,{isVector4:true,set:function set(x,y,z,w){this.x=x;this.y=y;this.z=z;this.w=w;return this;},setScalar:function setScalar(scalar){this.x=scalar;this.y=scalar;this.z=scalar;this.w=scalar;return this;},setX:function setX(x){this.x=x;return this;},setY:function setY(y){this.y=y;return this;},setZ:function setZ(z){this.z=z;return this;},setW:function setW(w){this.w=w;return this;},setComponent:function setComponent(index,value){switch(index){case 0:this.x=value;break;case 1:this.y=value;break;case 2:this.z=value;break;case 3:this.w=value;break;default:throw new Error('index is out of range: '+index);}return this;},getComponent:function getComponent(index){switch(index){case 0:return this.x;case 1:return this.y;case 2:return this.z;case 3:return this.w;default:throw new Error('index is out of range: '+index);}},clone:function clone(){return new this.constructor(this.x,this.y,this.z,this.w);},copy:function copy(v){this.x=v.x;this.y=v.y;this.z=v.z;this.w=v.w!==undefined?v.w:1;return this;},add:function add(v,w){if(w!==undefined){console.warn('THREE.Vector4: .add() now only accepts one argument. Use .addVectors( a, b ) instead.');return this.addVectors(v,w);}this.x+=v.x;this.y+=v.y;this.z+=v.z;this.w+=v.w;return this;},addScalar:function addScalar(s){this.x+=s;this.y+=s;this.z+=s;this.w+=s;return this;},addVectors:function addVectors(a,b){this.x=a.x+b.x;this.y=a.y+b.y;this.z=a.z+b.z;this.w=a.w+b.w;return this;},addScaledVector:function addScaledVector(v,s){this.x+=v.x*s;this.y+=v.y*s;this.z+=v.z*s;this.w+=v.w*s;return this;},sub:function sub(v,w){if(w!==undefined){console.warn('THREE.Vector4: .sub() now only accepts one argument. Use .subVectors( a, b ) instead.');return this.subVectors(v,w);}this.x-=v.x;this.y-=v.y;this.z-=v.z;this.w-=v.w;return this;},subScalar:function subScalar(s){this.x-=s;this.y-=s;this.z-=s;this.w-=s;return this;},subVectors:function subVectors(a,b){this.x=a.x-b.x;this.y=a.y-b.y;this.z=a.z-b.z;this.w=a.w-b.w;return this;},multiplyScalar:function multiplyScalar(scalar){this.x*=scalar;this.y*=scalar;this.z*=scalar;this.w*=scalar;return this;},applyMatrix4:function applyMatrix4(m){var x=this.x,y=this.y,z=this.z,w=this.w;var e=m.elements;this.x=e[0]*x+e[4]*y+e[8]*z+e[12]*w;this.y=e[1]*x+e[5]*y+e[9]*z+e[13]*w;this.z=e[2]*x+e[6]*y+e[10]*z+e[14]*w;this.w=e[3]*x+e[7]*y+e[11]*z+e[15]*w;return this;},divideScalar:function divideScalar(scalar){return this.multiplyScalar(1/scalar);},setAxisAngleFromQuaternion:function setAxisAngleFromQuaternion(q){// http://www.euclideanspace.com/maths/geometry/rotations/conversions/quaternionToAngle/index.htm + // q is assumed to be normalized + this.w=2*Math.acos(q.w);var s=Math.sqrt(1-q.w*q.w);if(s<0.0001){this.x=1;this.y=0;this.z=0;}else{this.x=q.x/s;this.y=q.y/s;this.z=q.z/s;}return this;},setAxisAngleFromRotationMatrix:function setAxisAngleFromRotationMatrix(m){// http://www.euclideanspace.com/maths/geometry/rotations/conversions/matrixToAngle/index.htm + // assumes the upper 3x3 of m is a pure rotation matrix (i.e, unscaled) + var angle,x,y,z,// variables for result + epsilon=0.01,// margin to allow for rounding errors + epsilon2=0.1,// margin to distinguish between 0 and 180 degrees + te=m.elements,m11=te[0],m12=te[4],m13=te[8],m21=te[1],m22=te[5],m23=te[9],m31=te[2],m32=te[6],m33=te[10];if(Math.abs(m12-m21)yy&&xx>zz){// m11 is the largest diagonal term + if(xxzz){// m22 is the largest diagonal term + if(yy0){console.error('THREE.Matrix4: the constructor no longer reads arguments. use .set() instead.');}}Object.assign(Matrix4.prototype,{isMatrix4:true,set:function set(n11,n12,n13,n14,n21,n22,n23,n24,n31,n32,n33,n34,n41,n42,n43,n44){var te=this.elements;te[0]=n11;te[4]=n12;te[8]=n13;te[12]=n14;te[1]=n21;te[5]=n22;te[9]=n23;te[13]=n24;te[2]=n31;te[6]=n32;te[10]=n33;te[14]=n34;te[3]=n41;te[7]=n42;te[11]=n43;te[15]=n44;return this;},identity:function identity(){this.set(1,0,0,0,0,1,0,0,0,0,1,0,0,0,0,1);return this;},clone:function clone(){return new Matrix4().fromArray(this.elements);},copy:function copy(m){var te=this.elements;var me=m.elements;te[0]=me[0];te[1]=me[1];te[2]=me[2];te[3]=me[3];te[4]=me[4];te[5]=me[5];te[6]=me[6];te[7]=me[7];te[8]=me[8];te[9]=me[9];te[10]=me[10];te[11]=me[11];te[12]=me[12];te[13]=me[13];te[14]=me[14];te[15]=me[15];return this;},copyPosition:function copyPosition(m){var te=this.elements,me=m.elements;te[12]=me[12];te[13]=me[13];te[14]=me[14];return this;},extractBasis:function extractBasis(xAxis,yAxis,zAxis){xAxis.setFromMatrixColumn(this,0);yAxis.setFromMatrixColumn(this,1);zAxis.setFromMatrixColumn(this,2);return this;},makeBasis:function makeBasis(xAxis,yAxis,zAxis){this.set(xAxis.x,yAxis.x,zAxis.x,0,xAxis.y,yAxis.y,zAxis.y,0,xAxis.z,yAxis.z,zAxis.z,0,0,0,0,1);return this;},extractRotation:function extractRotation(m){// this method does not support reflection matrices + var te=this.elements;var me=m.elements;var scaleX=1/_v1.setFromMatrixColumn(m,0).length();var scaleY=1/_v1.setFromMatrixColumn(m,1).length();var scaleZ=1/_v1.setFromMatrixColumn(m,2).length();te[0]=me[0]*scaleX;te[1]=me[1]*scaleX;te[2]=me[2]*scaleX;te[3]=0;te[4]=me[4]*scaleY;te[5]=me[5]*scaleY;te[6]=me[6]*scaleY;te[7]=0;te[8]=me[8]*scaleZ;te[9]=me[9]*scaleZ;te[10]=me[10]*scaleZ;te[11]=0;te[12]=0;te[13]=0;te[14]=0;te[15]=1;return this;},makeRotationFromEuler:function makeRotationFromEuler(euler){if(!(euler&&euler.isEuler)){console.error('THREE.Matrix4: .makeRotationFromEuler() now expects a Euler rotation rather than a Vector3 and order.');}var te=this.elements;var x=euler.x,y=euler.y,z=euler.z;var a=Math.cos(x),b=Math.sin(x);var c=Math.cos(y),d=Math.sin(y);var e=Math.cos(z),f=Math.sin(z);if(euler.order==='XYZ'){var ae=a*e,af=a*f,be=b*e,bf=b*f;te[0]=c*e;te[4]=-c*f;te[8]=d;te[1]=af+be*d;te[5]=ae-bf*d;te[9]=-b*c;te[2]=bf-ae*d;te[6]=be+af*d;te[10]=a*c;}else if(euler.order==='YXZ'){var ce=c*e,cf=c*f,de=d*e,df=d*f;te[0]=ce+df*b;te[4]=de*b-cf;te[8]=a*d;te[1]=a*f;te[5]=a*e;te[9]=-b;te[2]=cf*b-de;te[6]=df+ce*b;te[10]=a*c;}else if(euler.order==='ZXY'){var ce=c*e,cf=c*f,de=d*e,df=d*f;te[0]=ce-df*b;te[4]=-a*f;te[8]=de+cf*b;te[1]=cf+de*b;te[5]=a*e;te[9]=df-ce*b;te[2]=-a*d;te[6]=b;te[10]=a*c;}else if(euler.order==='ZYX'){var ae=a*e,af=a*f,be=b*e,bf=b*f;te[0]=c*e;te[4]=be*d-af;te[8]=ae*d+bf;te[1]=c*f;te[5]=bf*d+ae;te[9]=af*d-be;te[2]=-d;te[6]=b*c;te[10]=a*c;}else if(euler.order==='YZX'){var ac=a*c,ad=a*d,bc=b*c,bd=b*d;te[0]=c*e;te[4]=bd-ac*f;te[8]=bc*f+ad;te[1]=f;te[5]=a*e;te[9]=-b*e;te[2]=-d*e;te[6]=ad*f+bc;te[10]=ac-bd*f;}else if(euler.order==='XZY'){var ac=a*c,ad=a*d,bc=b*c,bd=b*d;te[0]=c*e;te[4]=-f;te[8]=d*e;te[1]=ac*f+bd;te[5]=a*e;te[9]=ad*f-bc;te[2]=bc*f-ad;te[6]=b*e;te[10]=bd*f+ac;}// bottom row + te[3]=0;te[7]=0;te[11]=0;// last column + te[12]=0;te[13]=0;te[14]=0;te[15]=1;return this;},makeRotationFromQuaternion:function makeRotationFromQuaternion(q){return this.compose(_zero,q,_one);},lookAt:function lookAt(eye,target,up){var te=this.elements;_z.subVectors(eye,target);if(_z.lengthSq()===0){// eye and target are in the same position + _z.z=1;}_z.normalize();_x.crossVectors(up,_z);if(_x.lengthSq()===0){// up and z are parallel + if(Math.abs(up.z)===1){_z.x+=0.0001;}else{_z.z+=0.0001;}_z.normalize();_x.crossVectors(up,_z);}_x.normalize();_y.crossVectors(_z,_x);te[0]=_x.x;te[4]=_y.x;te[8]=_z.x;te[1]=_x.y;te[5]=_y.y;te[9]=_z.y;te[2]=_x.z;te[6]=_y.z;te[10]=_z.z;return this;},multiply:function multiply(m,n){if(n!==undefined){console.warn('THREE.Matrix4: .multiply() now only accepts one argument. Use .multiplyMatrices( a, b ) instead.');return this.multiplyMatrices(m,n);}return this.multiplyMatrices(this,m);},premultiply:function premultiply(m){return this.multiplyMatrices(m,this);},multiplyMatrices:function multiplyMatrices(a,b){var ae=a.elements;var be=b.elements;var te=this.elements;var a11=ae[0],a12=ae[4],a13=ae[8],a14=ae[12];var a21=ae[1],a22=ae[5],a23=ae[9],a24=ae[13];var a31=ae[2],a32=ae[6],a33=ae[10],a34=ae[14];var a41=ae[3],a42=ae[7],a43=ae[11],a44=ae[15];var b11=be[0],b12=be[4],b13=be[8],b14=be[12];var b21=be[1],b22=be[5],b23=be[9],b24=be[13];var b31=be[2],b32=be[6],b33=be[10],b34=be[14];var b41=be[3],b42=be[7],b43=be[11],b44=be[15];te[0]=a11*b11+a12*b21+a13*b31+a14*b41;te[4]=a11*b12+a12*b22+a13*b32+a14*b42;te[8]=a11*b13+a12*b23+a13*b33+a14*b43;te[12]=a11*b14+a12*b24+a13*b34+a14*b44;te[1]=a21*b11+a22*b21+a23*b31+a24*b41;te[5]=a21*b12+a22*b22+a23*b32+a24*b42;te[9]=a21*b13+a22*b23+a23*b33+a24*b43;te[13]=a21*b14+a22*b24+a23*b34+a24*b44;te[2]=a31*b11+a32*b21+a33*b31+a34*b41;te[6]=a31*b12+a32*b22+a33*b32+a34*b42;te[10]=a31*b13+a32*b23+a33*b33+a34*b43;te[14]=a31*b14+a32*b24+a33*b34+a34*b44;te[3]=a41*b11+a42*b21+a43*b31+a44*b41;te[7]=a41*b12+a42*b22+a43*b32+a44*b42;te[11]=a41*b13+a42*b23+a43*b33+a44*b43;te[15]=a41*b14+a42*b24+a43*b34+a44*b44;return this;},multiplyScalar:function multiplyScalar(s){var te=this.elements;te[0]*=s;te[4]*=s;te[8]*=s;te[12]*=s;te[1]*=s;te[5]*=s;te[9]*=s;te[13]*=s;te[2]*=s;te[6]*=s;te[10]*=s;te[14]*=s;te[3]*=s;te[7]*=s;te[11]*=s;te[15]*=s;return this;},applyToBufferAttribute:function applyToBufferAttribute(attribute){for(var i=0,l=attribute.count;i1){for(var i=0;i1){for(var i=0;i0){object.children=[];for(var i=0;i0)output.geometries=geometries;if(materials.length>0)output.materials=materials;if(textures.length>0)output.textures=textures;if(images.length>0)output.images=images;if(shapes.length>0)output.shapes=shapes;}output.object=object;return output;// extract data from the cache hash + // remove metadata on each item + // and return as array + function extractFromCache(cache){var values=[];for(var key in cache){var data=cache[key];delete data.metadata;values.push(data);}return values;}},clone:function clone(recursive){return new this.constructor().copy(this,recursive);},copy:function copy(source,recursive){if(recursive===undefined)recursive=true;this.name=source.name;this.up.copy(source.up);this.position.copy(source.position);this.quaternion.copy(source.quaternion);this.scale.copy(source.scale);this.matrix.copy(source.matrix);this.matrixWorld.copy(source.matrixWorld);this.matrixAutoUpdate=source.matrixAutoUpdate;this.matrixWorldNeedsUpdate=source.matrixWorldNeedsUpdate;this.layers.mask=source.layers.mask;this.visible=source.visible;this.castShadow=source.castShadow;this.receiveShadow=source.receiveShadow;this.frustumCulled=source.frustumCulled;this.renderOrder=source.renderOrder;this.userData=JSON.parse(JSON.stringify(source.userData));if(recursive===true){for(var i=0;imaxX)maxX=x;if(y>maxY)maxY=y;if(z>maxZ)maxZ=z;}this.min.set(minX,minY,minZ);this.max.set(maxX,maxY,maxZ);return this;},setFromBufferAttribute:function setFromBufferAttribute(attribute){var minX=+Infinity;var minY=+Infinity;var minZ=+Infinity;var maxX=-Infinity;var maxY=-Infinity;var maxZ=-Infinity;for(var i=0,l=attribute.count;imaxX)maxX=x;if(y>maxY)maxY=y;if(z>maxZ)maxZ=z;}this.min.set(minX,minY,minZ);this.max.set(maxX,maxY,maxZ);return this;},setFromPoints:function setFromPoints(points){this.makeEmpty();for(var i=0,il=points.length;ithis.max.x||point.ythis.max.y||point.zthis.max.z?false:true;},containsBox:function containsBox(box){return this.min.x<=box.min.x&&box.max.x<=this.max.x&&this.min.y<=box.min.y&&box.max.y<=this.max.y&&this.min.z<=box.min.z&&box.max.z<=this.max.z;},getParameter:function getParameter(point,target){// This can potentially have a divide by zero if the box + // has a size dimension of 0. + if(target===undefined){console.warn('THREE.Box3: .getParameter() target is now required');target=new Vector3();}return target.set((point.x-this.min.x)/(this.max.x-this.min.x),(point.y-this.min.y)/(this.max.y-this.min.y),(point.z-this.min.z)/(this.max.z-this.min.z));},intersectsBox:function intersectsBox(box){// using 6 splitting planes to rule out intersections. + return box.max.xthis.max.x||box.max.ythis.max.y||box.max.zthis.max.z?false:true;},intersectsSphere:function intersectsSphere(sphere){// Find the point on the AABB closest to the sphere center. + this.clampPoint(sphere.center,_vector$2);// If that point is inside the sphere, the AABB and sphere intersect. + return _vector$2.distanceToSquared(sphere.center)<=sphere.radius*sphere.radius;},intersectsPlane:function intersectsPlane(plane){// We compute the minimum and maximum dot product values. If those values + // are on the same side (back or front) of the plane, then there is no intersection. + var min,max;if(plane.normal.x>0){min=plane.normal.x*this.min.x;max=plane.normal.x*this.max.x;}else{min=plane.normal.x*this.max.x;max=plane.normal.x*this.min.x;}if(plane.normal.y>0){min+=plane.normal.y*this.min.y;max+=plane.normal.y*this.max.y;}else{min+=plane.normal.y*this.max.y;max+=plane.normal.y*this.min.y;}if(plane.normal.z>0){min+=plane.normal.z*this.min.z;max+=plane.normal.z*this.max.z;}else{min+=plane.normal.z*this.max.z;max+=plane.normal.z*this.min.z;}return min<=-plane.constant&&max>=-plane.constant;},intersectsTriangle:function intersectsTriangle(triangle){if(this.isEmpty()){return false;}// compute box center and extents + this.getCenter(_center);_extents.subVectors(this.max,_center);// translate triangle to aabb origin + _v0.subVectors(triangle.a,_center);_v1$2.subVectors(triangle.b,_center);_v2.subVectors(triangle.c,_center);// compute edge vectors for triangle + _f0.subVectors(_v1$2,_v0);_f1.subVectors(_v2,_v1$2);_f2.subVectors(_v0,_v2);// test against axes that are given by cross product combinations of the edges of the triangle and the edges of the aabb + // make an axis testing of each of the 3 sides of the aabb against each of the 3 sides of the triangle = 9 axis of separation + // axis_ij = u_i x f_j (u0, u1, u2 = face normals of aabb = x,y,z axes vectors since aabb is axis aligned) + var axes=[0,-_f0.z,_f0.y,0,-_f1.z,_f1.y,0,-_f2.z,_f2.y,_f0.z,0,-_f0.x,_f1.z,0,-_f1.x,_f2.z,0,-_f2.x,-_f0.y,_f0.x,0,-_f1.y,_f1.x,0,-_f2.y,_f2.x,0];if(!satForAxes(axes,_v0,_v1$2,_v2,_extents)){return false;}// test 3 face normals from the aabb + axes=[1,0,0,0,1,0,0,0,1];if(!satForAxes(axes,_v0,_v1$2,_v2,_extents)){return false;}// finally testing the face normal of the triangle + // use already existing triangle edge vectors here + _triangleNormal.crossVectors(_f0,_f1);axes=[_triangleNormal.x,_triangleNormal.y,_triangleNormal.z];return satForAxes(axes,_v0,_v1$2,_v2,_extents);},clampPoint:function clampPoint(point,target){if(target===undefined){console.warn('THREE.Box3: .clampPoint() target is now required');target=new Vector3();}return target.copy(point).clamp(this.min,this.max);},distanceToPoint:function distanceToPoint(point){var clampedPoint=_vector$2.copy(point).clamp(this.min,this.max);return clampedPoint.sub(point).length();},getBoundingSphere:function getBoundingSphere(target){if(target===undefined){console.error('THREE.Box3: .getBoundingSphere() target is now required');//target = new Sphere(); // removed to avoid cyclic dependency + }this.getCenter(target.center);target.radius=this.getSize(_vector$2).length()*0.5;return target;},intersect:function intersect(box){this.min.max(box.min);this.max.min(box.max);// ensure that if there is no overlap, the result is fully empty, not slightly empty with non-inf/+inf values that will cause subsequence intersects to erroneously return valid values. + if(this.isEmpty())this.makeEmpty();return this;},union:function union(box){this.min.min(box.min);this.max.max(box.max);return this;},applyMatrix4:function applyMatrix4(matrix){// transform of empty box is an empty box. + if(this.isEmpty())return this;// NOTE: I am using a binary pattern to specify all 2^3 combinations below + _points[0].set(this.min.x,this.min.y,this.min.z).applyMatrix4(matrix);// 000 + _points[1].set(this.min.x,this.min.y,this.max.z).applyMatrix4(matrix);// 001 + _points[2].set(this.min.x,this.max.y,this.min.z).applyMatrix4(matrix);// 010 + _points[3].set(this.min.x,this.max.y,this.max.z).applyMatrix4(matrix);// 011 + _points[4].set(this.max.x,this.min.y,this.min.z).applyMatrix4(matrix);// 100 + _points[5].set(this.max.x,this.min.y,this.max.z).applyMatrix4(matrix);// 101 + _points[6].set(this.max.x,this.max.y,this.min.z).applyMatrix4(matrix);// 110 + _points[7].set(this.max.x,this.max.y,this.max.z).applyMatrix4(matrix);// 111 + this.setFromPoints(_points);return this;},translate:function translate(offset){this.min.add(offset);this.max.add(offset);return this;},equals:function equals(box){return box.min.equals(this.min)&&box.max.equals(this.max);}});function satForAxes(axes,v0,v1,v2,extents){var i,j;for(i=0,j=axes.length-3;i<=j;i+=3){_testAxis.fromArray(axes,i);// project the aabb onto the seperating axis + var r=extents.x*Math.abs(_testAxis.x)+extents.y*Math.abs(_testAxis.y)+extents.z*Math.abs(_testAxis.z);// project all 3 vertices of the triangle onto the seperating axis + var p0=v0.dot(_testAxis);var p1=v1.dot(_testAxis);var p2=v2.dot(_testAxis);// actual test, basically see if either of the most extreme of the triangle points intersects r + if(Math.max(-Math.max(p0,p1,p2),Math.min(p0,p1,p2))>r){// points of the projected triangle are outside the projected half-length of the aabb + // the axis is seperating and we can exit + return false;}}return true;}var _box=new Box3();/** + * @author bhouston / http://clara.io + * @author mrdoob / http://mrdoob.com/ + */function Sphere(center,radius){this.center=center!==undefined?center:new Vector3();this.radius=radius!==undefined?radius:0;}Object.assign(Sphere.prototype,{set:function set(center,radius){this.center.copy(center);this.radius=radius;return this;},setFromPoints:function setFromPoints(points,optionalCenter){var center=this.center;if(optionalCenter!==undefined){center.copy(optionalCenter);}else{_box.setFromPoints(points).getCenter(center);}var maxRadiusSq=0;for(var i=0,il=points.length;ithis.radius*this.radius){target.sub(this.center).normalize();target.multiplyScalar(this.radius).add(this.center);}return target;},getBoundingBox:function getBoundingBox(target){if(target===undefined){console.warn('THREE.Sphere: .getBoundingBox() target is now required');target=new Box3();}target.set(this.center,this.center);target.expandByScalar(this.radius);return target;},applyMatrix4:function applyMatrix4(matrix){this.center.applyMatrix4(matrix);this.radius=this.radius*matrix.getMaxScaleOnAxis();return this;},translate:function translate(offset){this.center.add(offset);return this;},equals:function equals(sphere){return sphere.center.equals(this.center)&&sphere.radius===this.radius;}});var _vector$3=new Vector3();var _segCenter=new Vector3();var _segDir=new Vector3();var _diff=new Vector3();var _edge1=new Vector3();var _edge2=new Vector3();var _normal=new Vector3();/** + * @author bhouston / http://clara.io + */function Ray(origin,direction){this.origin=origin!==undefined?origin:new Vector3();this.direction=direction!==undefined?direction:new Vector3();}Object.assign(Ray.prototype,{set:function set(origin,direction){this.origin.copy(origin);this.direction.copy(direction);return this;},clone:function clone(){return new this.constructor().copy(this);},copy:function copy(ray){this.origin.copy(ray.origin);this.direction.copy(ray.direction);return this;},at:function at(t,target){if(target===undefined){console.warn('THREE.Ray: .at() target is now required');target=new Vector3();}return target.copy(this.direction).multiplyScalar(t).add(this.origin);},lookAt:function lookAt(v){this.direction.copy(v).sub(this.origin).normalize();return this;},recast:function recast(t){this.origin.copy(this.at(t,_vector$3));return this;},closestPointToPoint:function closestPointToPoint(point,target){if(target===undefined){console.warn('THREE.Ray: .closestPointToPoint() target is now required');target=new Vector3();}target.subVectors(point,this.origin);var directionDistance=target.dot(this.direction);if(directionDistance<0){return target.copy(this.origin);}return target.copy(this.direction).multiplyScalar(directionDistance).add(this.origin);},distanceToPoint:function distanceToPoint(point){return Math.sqrt(this.distanceSqToPoint(point));},distanceSqToPoint:function distanceSqToPoint(point){var directionDistance=_vector$3.subVectors(point,this.origin).dot(this.direction);// point behind the ray + if(directionDistance<0){return this.origin.distanceToSquared(point);}_vector$3.copy(this.direction).multiplyScalar(directionDistance).add(this.origin);return _vector$3.distanceToSquared(point);},distanceSqToSegment:function distanceSqToSegment(v0,v1,optionalPointOnRay,optionalPointOnSegment){// from http://www.geometrictools.com/GTEngine/Include/Mathematics/GteDistRaySegment.h + // It returns the min distance between the ray and the segment + // defined by v0 and v1 + // It can also set two optional targets : + // - The closest point on the ray + // - The closest point on the segment + _segCenter.copy(v0).add(v1).multiplyScalar(0.5);_segDir.copy(v1).sub(v0).normalize();_diff.copy(this.origin).sub(_segCenter);var segExtent=v0.distanceTo(v1)*0.5;var a01=-this.direction.dot(_segDir);var b0=_diff.dot(this.direction);var b1=-_diff.dot(_segDir);var c=_diff.lengthSq();var det=Math.abs(1-a01*a01);var s0,s1,sqrDist,extDet;if(det>0){// The ray and segment are not parallel. + s0=a01*b1-b0;s1=a01*b0-b1;extDet=segExtent*det;if(s0>=0){if(s1>=-extDet){if(s1<=extDet){// region 0 + // Minimum at interior points of ray and segment. + var invDet=1/det;s0*=invDet;s1*=invDet;sqrDist=s0*(s0+a01*s1+2*b0)+s1*(a01*s0+s1+2*b1)+c;}else{// region 1 + s1=segExtent;s0=Math.max(0,-(a01*s1+b0));sqrDist=-s0*s0+s1*(s1+2*b1)+c;}}else{// region 5 + s1=-segExtent;s0=Math.max(0,-(a01*s1+b0));sqrDist=-s0*s0+s1*(s1+2*b1)+c;}}else{if(s1<=-extDet){// region 4 + s0=Math.max(0,-(-a01*segExtent+b0));s1=s0>0?-segExtent:Math.min(Math.max(-segExtent,-b1),segExtent);sqrDist=-s0*s0+s1*(s1+2*b1)+c;}else if(s1<=extDet){// region 3 + s0=0;s1=Math.min(Math.max(-segExtent,-b1),segExtent);sqrDist=s1*(s1+2*b1)+c;}else{// region 2 + s0=Math.max(0,-(a01*segExtent+b0));s1=s0>0?segExtent:Math.min(Math.max(-segExtent,-b1),segExtent);sqrDist=-s0*s0+s1*(s1+2*b1)+c;}}}else{// Ray and segment are parallel. + s1=a01>0?-segExtent:segExtent;s0=Math.max(0,-(a01*s1+b0));sqrDist=-s0*s0+s1*(s1+2*b1)+c;}if(optionalPointOnRay){optionalPointOnRay.copy(this.direction).multiplyScalar(s0).add(this.origin);}if(optionalPointOnSegment){optionalPointOnSegment.copy(_segDir).multiplyScalar(s1).add(_segCenter);}return sqrDist;},intersectSphere:function intersectSphere(sphere,target){_vector$3.subVectors(sphere.center,this.origin);var tca=_vector$3.dot(this.direction);var d2=_vector$3.dot(_vector$3)-tca*tca;var radius2=sphere.radius*sphere.radius;if(d2>radius2)return null;var thc=Math.sqrt(radius2-d2);// t0 = first intersect point - entrance on front of sphere + var t0=tca-thc;// t1 = second intersect point - exit point on back of sphere + var t1=tca+thc;// test to see if both t0 and t1 are behind the ray - if so, return null + if(t0<0&&t1<0)return null;// test to see if t0 is behind the ray: + // if it is, the ray is inside the sphere, so return the second exit point scaled by t1, + // in order to always return an intersect point that is in front of the ray. + if(t0<0)return this.at(t1,target);// else t0 is in front of the ray, so return the first collision point scaled by t0 + return this.at(t0,target);},intersectsSphere:function intersectsSphere(sphere){return this.distanceSqToPoint(sphere.center)<=sphere.radius*sphere.radius;},distanceToPlane:function distanceToPlane(plane){var denominator=plane.normal.dot(this.direction);if(denominator===0){// line is coplanar, return origin + if(plane.distanceToPoint(this.origin)===0){return 0;}// Null is preferable to undefined since undefined means.... it is undefined + return null;}var t=-(this.origin.dot(plane.normal)+plane.constant)/denominator;// Return if the ray never intersects the plane + return t>=0?t:null;},intersectPlane:function intersectPlane(plane,target){var t=this.distanceToPlane(plane);if(t===null){return null;}return this.at(t,target);},intersectsPlane:function intersectsPlane(plane){// check if the ray lies on the plane first + var distToPoint=plane.distanceToPoint(this.origin);if(distToPoint===0){return true;}var denominator=plane.normal.dot(this.direction);if(denominator*distToPoint<0){return true;}// ray origin is behind the plane (and is pointing behind it) + return false;},intersectBox:function intersectBox(box,target){var tmin,tmax,tymin,tymax,tzmin,tzmax;var invdirx=1/this.direction.x,invdiry=1/this.direction.y,invdirz=1/this.direction.z;var origin=this.origin;if(invdirx>=0){tmin=(box.min.x-origin.x)*invdirx;tmax=(box.max.x-origin.x)*invdirx;}else{tmin=(box.max.x-origin.x)*invdirx;tmax=(box.min.x-origin.x)*invdirx;}if(invdiry>=0){tymin=(box.min.y-origin.y)*invdiry;tymax=(box.max.y-origin.y)*invdiry;}else{tymin=(box.max.y-origin.y)*invdiry;tymax=(box.min.y-origin.y)*invdiry;}if(tmin>tymax||tymin>tmax)return null;// These lines also handle the case where tmin or tmax is NaN + // (result of 0 * Infinity). x !== x returns true if x is NaN + if(tymin>tmin||tmin!==tmin)tmin=tymin;if(tymax=0){tzmin=(box.min.z-origin.z)*invdirz;tzmax=(box.max.z-origin.z)*invdirz;}else{tzmin=(box.max.z-origin.z)*invdirz;tzmax=(box.min.z-origin.z)*invdirz;}if(tmin>tzmax||tzmin>tmax)return null;if(tzmin>tmin||tmin!==tmin)tmin=tzmin;if(tzmax=0?tmin:tmax,target);},intersectsBox:function intersectsBox(box){return this.intersectBox(box,_vector$3)!==null;},intersectTriangle:function intersectTriangle(a,b,c,backfaceCulling,target){// Compute the offset origin, edges, and normal. + // from http://www.geometrictools.com/GTEngine/Include/Mathematics/GteIntrRay3Triangle3.h + _edge1.subVectors(b,a);_edge2.subVectors(c,a);_normal.crossVectors(_edge1,_edge2);// Solve Q + t*D = b1*E1 + b2*E2 (Q = kDiff, D = ray direction, + // E1 = kEdge1, E2 = kEdge2, N = Cross(E1,E2)) by + // |Dot(D,N)|*b1 = sign(Dot(D,N))*Dot(D,Cross(Q,E2)) + // |Dot(D,N)|*b2 = sign(Dot(D,N))*Dot(D,Cross(E1,Q)) + // |Dot(D,N)|*t = -sign(Dot(D,N))*Dot(Q,N) + var DdN=this.direction.dot(_normal);var sign;if(DdN>0){if(backfaceCulling)return null;sign=1;}else if(DdN<0){sign=-1;DdN=-DdN;}else{return null;}_diff.subVectors(this.origin,a);var DdQxE2=sign*this.direction.dot(_edge2.crossVectors(_diff,_edge2));// b1 < 0, no intersection + if(DdQxE2<0){return null;}var DdE1xQ=sign*this.direction.dot(_edge1.cross(_diff));// b2 < 0, no intersection + if(DdE1xQ<0){return null;}// b1+b2 > 1, no intersection + if(DdQxE2+DdE1xQ>DdN){return null;}// Line intersects triangle, check if ray does. + var QdN=-sign*_diff.dot(_normal);// t < 0, no intersection + if(QdN<0){return null;}// Ray intersects triangle. + return this.at(QdN/DdN,target);},applyMatrix4:function applyMatrix4(matrix4){this.origin.applyMatrix4(matrix4);this.direction.transformDirection(matrix4);return this;},equals:function equals(ray){return ray.origin.equals(this.origin)&&ray.direction.equals(this.direction);}});/** + * @author bhouston / http://clara.io + */var _vector1=new Vector3();var _vector2=new Vector3();var _normalMatrix=new Matrix3();function Plane(normal,constant){// normal is assumed to be normalized + this.normal=normal!==undefined?normal:new Vector3(1,0,0);this.constant=constant!==undefined?constant:0;}Object.assign(Plane.prototype,{isPlane:true,set:function set(normal,constant){this.normal.copy(normal);this.constant=constant;return this;},setComponents:function setComponents(x,y,z,w){this.normal.set(x,y,z);this.constant=w;return this;},setFromNormalAndCoplanarPoint:function setFromNormalAndCoplanarPoint(normal,point){this.normal.copy(normal);this.constant=-point.dot(this.normal);return this;},setFromCoplanarPoints:function setFromCoplanarPoints(a,b,c){var normal=_vector1.subVectors(c,b).cross(_vector2.subVectors(a,b)).normalize();// Q: should an error be thrown if normal is zero (e.g. degenerate plane)? + this.setFromNormalAndCoplanarPoint(normal,a);return this;},clone:function clone(){return new this.constructor().copy(this);},copy:function copy(plane){this.normal.copy(plane.normal);this.constant=plane.constant;return this;},normalize:function normalize(){// Note: will lead to a divide by zero if the plane is invalid. + var inverseNormalLength=1.0/this.normal.length();this.normal.multiplyScalar(inverseNormalLength);this.constant*=inverseNormalLength;return this;},negate:function negate(){this.constant*=-1;this.normal.negate();return this;},distanceToPoint:function distanceToPoint(point){return this.normal.dot(point)+this.constant;},distanceToSphere:function distanceToSphere(sphere){return this.distanceToPoint(sphere.center)-sphere.radius;},projectPoint:function projectPoint(point,target){if(target===undefined){console.warn('THREE.Plane: .projectPoint() target is now required');target=new Vector3();}return target.copy(this.normal).multiplyScalar(-this.distanceToPoint(point)).add(point);},intersectLine:function intersectLine(line,target){if(target===undefined){console.warn('THREE.Plane: .intersectLine() target is now required');target=new Vector3();}var direction=line.delta(_vector1);var denominator=this.normal.dot(direction);if(denominator===0){// line is coplanar, return origin + if(this.distanceToPoint(line.start)===0){return target.copy(line.start);}// Unsure if this is the correct method to handle this case. + return undefined;}var t=-(line.start.dot(this.normal)+this.constant)/denominator;if(t<0||t>1){return undefined;}return target.copy(direction).multiplyScalar(t).add(line.start);},intersectsLine:function intersectsLine(line){// Note: this tests if a line intersects the plane, not whether it (or its end-points) are coplanar with it. + var startSign=this.distanceToPoint(line.start);var endSign=this.distanceToPoint(line.end);return startSign<0&&endSign>0||endSign<0&&startSign>0;},intersectsBox:function intersectsBox(box){return box.intersectsPlane(this);},intersectsSphere:function intersectsSphere(sphere){return sphere.intersectsPlane(this);},coplanarPoint:function coplanarPoint(target){if(target===undefined){console.warn('THREE.Plane: .coplanarPoint() target is now required');target=new Vector3();}return target.copy(this.normal).multiplyScalar(-this.constant);},applyMatrix4:function applyMatrix4(matrix,optionalNormalMatrix){var normalMatrix=optionalNormalMatrix||_normalMatrix.getNormalMatrix(matrix);var referencePoint=this.coplanarPoint(_vector1).applyMatrix4(matrix);var normal=this.normal.applyMatrix3(normalMatrix).normalize();this.constant=-referencePoint.dot(normal);return this;},translate:function translate(offset){this.constant-=offset.dot(this.normal);return this;},equals:function equals(plane){return plane.normal.equals(this.normal)&&plane.constant===this.constant;}});/** + * @author bhouston / http://clara.io + * @author mrdoob / http://mrdoob.com/ + */var _v0$1=new Vector3();var _v1$3=new Vector3();var _v2$1=new Vector3();var _v3=new Vector3();var _vab=new Vector3();var _vac=new Vector3();var _vbc=new Vector3();var _vap=new Vector3();var _vbp=new Vector3();var _vcp=new Vector3();function Triangle(a,b,c){this.a=a!==undefined?a:new Vector3();this.b=b!==undefined?b:new Vector3();this.c=c!==undefined?c:new Vector3();}Object.assign(Triangle,{getNormal:function getNormal(a,b,c,target){if(target===undefined){console.warn('THREE.Triangle: .getNormal() target is now required');target=new Vector3();}target.subVectors(c,b);_v0$1.subVectors(a,b);target.cross(_v0$1);var targetLengthSq=target.lengthSq();if(targetLengthSq>0){return target.multiplyScalar(1/Math.sqrt(targetLengthSq));}return target.set(0,0,0);},// static/instance method to calculate barycentric coordinates + // based on: http://www.blackpawn.com/texts/pointinpoly/default.html + getBarycoord:function getBarycoord(point,a,b,c,target){_v0$1.subVectors(c,a);_v1$3.subVectors(b,a);_v2$1.subVectors(point,a);var dot00=_v0$1.dot(_v0$1);var dot01=_v0$1.dot(_v1$3);var dot02=_v0$1.dot(_v2$1);var dot11=_v1$3.dot(_v1$3);var dot12=_v1$3.dot(_v2$1);var denom=dot00*dot11-dot01*dot01;if(target===undefined){console.warn('THREE.Triangle: .getBarycoord() target is now required');target=new Vector3();}// collinear or singular triangle + if(denom===0){// arbitrary location outside of triangle? + // not sure if this is the best idea, maybe should be returning undefined + return target.set(-2,-1,-1);}var invDenom=1/denom;var u=(dot11*dot02-dot01*dot12)*invDenom;var v=(dot00*dot12-dot01*dot02)*invDenom;// barycentric coordinates must always sum to 1 + return target.set(1-u-v,v,u);},containsPoint:function containsPoint(point,a,b,c){Triangle.getBarycoord(point,a,b,c,_v3);return _v3.x>=0&&_v3.y>=0&&_v3.x+_v3.y<=1;},getUV:function getUV(point,p1,p2,p3,uv1,uv2,uv3,target){this.getBarycoord(point,p1,p2,p3,_v3);target.set(0,0);target.addScaledVector(uv1,_v3.x);target.addScaledVector(uv2,_v3.y);target.addScaledVector(uv3,_v3.z);return target;},isFrontFacing:function isFrontFacing(a,b,c,direction){_v0$1.subVectors(c,b);_v1$3.subVectors(a,b);// strictly front facing + return _v0$1.cross(_v1$3).dot(direction)<0?true:false;}});Object.assign(Triangle.prototype,{set:function set(a,b,c){this.a.copy(a);this.b.copy(b);this.c.copy(c);return this;},setFromPointsAndIndices:function setFromPointsAndIndices(points,i0,i1,i2){this.a.copy(points[i0]);this.b.copy(points[i1]);this.c.copy(points[i2]);return this;},clone:function clone(){return new this.constructor().copy(this);},copy:function copy(triangle){this.a.copy(triangle.a);this.b.copy(triangle.b);this.c.copy(triangle.c);return this;},getArea:function getArea(){_v0$1.subVectors(this.c,this.b);_v1$3.subVectors(this.a,this.b);return _v0$1.cross(_v1$3).length()*0.5;},getMidpoint:function getMidpoint(target){if(target===undefined){console.warn('THREE.Triangle: .getMidpoint() target is now required');target=new Vector3();}return target.addVectors(this.a,this.b).add(this.c).multiplyScalar(1/3);},getNormal:function getNormal(target){return Triangle.getNormal(this.a,this.b,this.c,target);},getPlane:function getPlane(target){if(target===undefined){console.warn('THREE.Triangle: .getPlane() target is now required');target=new Plane();}return target.setFromCoplanarPoints(this.a,this.b,this.c);},getBarycoord:function getBarycoord(point,target){return Triangle.getBarycoord(point,this.a,this.b,this.c,target);},getUV:function getUV(point,uv1,uv2,uv3,target){return Triangle.getUV(point,this.a,this.b,this.c,uv1,uv2,uv3,target);},containsPoint:function containsPoint(point){return Triangle.containsPoint(point,this.a,this.b,this.c);},isFrontFacing:function isFrontFacing(direction){return Triangle.isFrontFacing(this.a,this.b,this.c,direction);},intersectsBox:function intersectsBox(box){return box.intersectsTriangle(this);},closestPointToPoint:function closestPointToPoint(p,target){if(target===undefined){console.warn('THREE.Triangle: .closestPointToPoint() target is now required');target=new Vector3();}var a=this.a,b=this.b,c=this.c;var v,w;// algorithm thanks to Real-Time Collision Detection by Christer Ericson, + // published by Morgan Kaufmann Publishers, (c) 2005 Elsevier Inc., + // under the accompanying license; see chapter 5.1.5 for detailed explanation. + // basically, we're distinguishing which of the voronoi regions of the triangle + // the point lies in with the minimum amount of redundant computation. + _vab.subVectors(b,a);_vac.subVectors(c,a);_vap.subVectors(p,a);var d1=_vab.dot(_vap);var d2=_vac.dot(_vap);if(d1<=0&&d2<=0){// vertex region of A; barycentric coords (1, 0, 0) + return target.copy(a);}_vbp.subVectors(p,b);var d3=_vab.dot(_vbp);var d4=_vac.dot(_vbp);if(d3>=0&&d4<=d3){// vertex region of B; barycentric coords (0, 1, 0) + return target.copy(b);}var vc=d1*d4-d3*d2;if(vc<=0&&d1>=0&&d3<=0){v=d1/(d1-d3);// edge region of AB; barycentric coords (1-v, v, 0) + return target.copy(a).addScaledVector(_vab,v);}_vcp.subVectors(p,c);var d5=_vab.dot(_vcp);var d6=_vac.dot(_vcp);if(d6>=0&&d5<=d6){// vertex region of C; barycentric coords (0, 0, 1) + return target.copy(c);}var vb=d5*d2-d1*d6;if(vb<=0&&d2>=0&&d6<=0){w=d2/(d2-d6);// edge region of AC; barycentric coords (1-w, 0, w) + return target.copy(a).addScaledVector(_vac,w);}var va=d3*d6-d5*d4;if(va<=0&&d4-d3>=0&&d5-d6>=0){_vbc.subVectors(c,b);w=(d4-d3)/(d4-d3+(d5-d6));// edge region of BC; barycentric coords (0, 1-w, w) + return target.copy(b).addScaledVector(_vbc,w);// edge region of BC + }// face region + var denom=1/(va+vb+vc);// u = va * denom + v=vb*denom;w=vc*denom;return target.copy(a).addScaledVector(_vab,v).addScaledVector(_vac,w);},equals:function equals(triangle){return triangle.a.equals(this.a)&&triangle.b.equals(this.b)&&triangle.c.equals(this.c);}});/** + * @author mrdoob / http://mrdoob.com/ + */var _colorKeywords={'aliceblue':0xF0F8FF,'antiquewhite':0xFAEBD7,'aqua':0x00FFFF,'aquamarine':0x7FFFD4,'azure':0xF0FFFF,'beige':0xF5F5DC,'bisque':0xFFE4C4,'black':0x000000,'blanchedalmond':0xFFEBCD,'blue':0x0000FF,'blueviolet':0x8A2BE2,'brown':0xA52A2A,'burlywood':0xDEB887,'cadetblue':0x5F9EA0,'chartreuse':0x7FFF00,'chocolate':0xD2691E,'coral':0xFF7F50,'cornflowerblue':0x6495ED,'cornsilk':0xFFF8DC,'crimson':0xDC143C,'cyan':0x00FFFF,'darkblue':0x00008B,'darkcyan':0x008B8B,'darkgoldenrod':0xB8860B,'darkgray':0xA9A9A9,'darkgreen':0x006400,'darkgrey':0xA9A9A9,'darkkhaki':0xBDB76B,'darkmagenta':0x8B008B,'darkolivegreen':0x556B2F,'darkorange':0xFF8C00,'darkorchid':0x9932CC,'darkred':0x8B0000,'darksalmon':0xE9967A,'darkseagreen':0x8FBC8F,'darkslateblue':0x483D8B,'darkslategray':0x2F4F4F,'darkslategrey':0x2F4F4F,'darkturquoise':0x00CED1,'darkviolet':0x9400D3,'deeppink':0xFF1493,'deepskyblue':0x00BFFF,'dimgray':0x696969,'dimgrey':0x696969,'dodgerblue':0x1E90FF,'firebrick':0xB22222,'floralwhite':0xFFFAF0,'forestgreen':0x228B22,'fuchsia':0xFF00FF,'gainsboro':0xDCDCDC,'ghostwhite':0xF8F8FF,'gold':0xFFD700,'goldenrod':0xDAA520,'gray':0x808080,'green':0x008000,'greenyellow':0xADFF2F,'grey':0x808080,'honeydew':0xF0FFF0,'hotpink':0xFF69B4,'indianred':0xCD5C5C,'indigo':0x4B0082,'ivory':0xFFFFF0,'khaki':0xF0E68C,'lavender':0xE6E6FA,'lavenderblush':0xFFF0F5,'lawngreen':0x7CFC00,'lemonchiffon':0xFFFACD,'lightblue':0xADD8E6,'lightcoral':0xF08080,'lightcyan':0xE0FFFF,'lightgoldenrodyellow':0xFAFAD2,'lightgray':0xD3D3D3,'lightgreen':0x90EE90,'lightgrey':0xD3D3D3,'lightpink':0xFFB6C1,'lightsalmon':0xFFA07A,'lightseagreen':0x20B2AA,'lightskyblue':0x87CEFA,'lightslategray':0x778899,'lightslategrey':0x778899,'lightsteelblue':0xB0C4DE,'lightyellow':0xFFFFE0,'lime':0x00FF00,'limegreen':0x32CD32,'linen':0xFAF0E6,'magenta':0xFF00FF,'maroon':0x800000,'mediumaquamarine':0x66CDAA,'mediumblue':0x0000CD,'mediumorchid':0xBA55D3,'mediumpurple':0x9370DB,'mediumseagreen':0x3CB371,'mediumslateblue':0x7B68EE,'mediumspringgreen':0x00FA9A,'mediumturquoise':0x48D1CC,'mediumvioletred':0xC71585,'midnightblue':0x191970,'mintcream':0xF5FFFA,'mistyrose':0xFFE4E1,'moccasin':0xFFE4B5,'navajowhite':0xFFDEAD,'navy':0x000080,'oldlace':0xFDF5E6,'olive':0x808000,'olivedrab':0x6B8E23,'orange':0xFFA500,'orangered':0xFF4500,'orchid':0xDA70D6,'palegoldenrod':0xEEE8AA,'palegreen':0x98FB98,'paleturquoise':0xAFEEEE,'palevioletred':0xDB7093,'papayawhip':0xFFEFD5,'peachpuff':0xFFDAB9,'peru':0xCD853F,'pink':0xFFC0CB,'plum':0xDDA0DD,'powderblue':0xB0E0E6,'purple':0x800080,'rebeccapurple':0x663399,'red':0xFF0000,'rosybrown':0xBC8F8F,'royalblue':0x4169E1,'saddlebrown':0x8B4513,'salmon':0xFA8072,'sandybrown':0xF4A460,'seagreen':0x2E8B57,'seashell':0xFFF5EE,'sienna':0xA0522D,'silver':0xC0C0C0,'skyblue':0x87CEEB,'slateblue':0x6A5ACD,'slategray':0x708090,'slategrey':0x708090,'snow':0xFFFAFA,'springgreen':0x00FF7F,'steelblue':0x4682B4,'tan':0xD2B48C,'teal':0x008080,'thistle':0xD8BFD8,'tomato':0xFF6347,'turquoise':0x40E0D0,'violet':0xEE82EE,'wheat':0xF5DEB3,'white':0xFFFFFF,'whitesmoke':0xF5F5F5,'yellow':0xFFFF00,'yellowgreen':0x9ACD32};var _hslA={h:0,s:0,l:0};var _hslB={h:0,s:0,l:0};function Color(r,g,b){if(g===undefined&&b===undefined){// r is THREE.Color, hex or string + return this.set(r);}return this.setRGB(r,g,b);}function hue2rgb(p,q,t){if(t<0)t+=1;if(t>1)t-=1;if(t<1/6)return p+(q-p)*6*t;if(t<1/2)return q;if(t<2/3)return p+(q-p)*6*(2/3-t);return p;}function SRGBToLinear(c){return c<0.04045?c*0.0773993808:Math.pow(c*0.9478672986+0.0521327014,2.4);}function LinearToSRGB(c){return c<0.0031308?c*12.92:1.055*Math.pow(c,0.41666)-0.055;}Object.assign(Color.prototype,{isColor:true,r:1,g:1,b:1,set:function set(value){if(value&&value.isColor){this.copy(value);}else if(typeof value==='number'){this.setHex(value);}else if(typeof value==='string'){this.setStyle(value);}return this;},setScalar:function setScalar(scalar){this.r=scalar;this.g=scalar;this.b=scalar;return this;},setHex:function setHex(hex){hex=Math.floor(hex);this.r=(hex>>16&255)/255;this.g=(hex>>8&255)/255;this.b=(hex&255)/255;return this;},setRGB:function setRGB(r,g,b){this.r=r;this.g=g;this.b=b;return this;},setHSL:function setHSL(h,s,l){// h,s,l ranges are in 0.0 - 1.0 + h=_Math.euclideanModulo(h,1);s=_Math.clamp(s,0,1);l=_Math.clamp(l,0,1);if(s===0){this.r=this.g=this.b=l;}else{var p=l<=0.5?l*(1+s):l+s-l*s;var q=2*l-p;this.r=hue2rgb(q,p,h+1/3);this.g=hue2rgb(q,p,h);this.b=hue2rgb(q,p,h-1/3);}return this;},setStyle:function setStyle(style){function handleAlpha(string){if(string===undefined)return;if(parseFloat(string)<1){console.warn('THREE.Color: Alpha component of '+style+' will be ignored.');}}var m;if(m=/^((?:rgb|hsl)a?)\(\s*([^\)]*)\)/.exec(style)){// rgb / hsl + var color;var name=m[1];var components=m[2];switch(name){case'rgb':case'rgba':if(color=/^(\d+)\s*,\s*(\d+)\s*,\s*(\d+)\s*(,\s*([0-9]*\.?[0-9]+)\s*)?$/.exec(components)){// rgb(255,0,0) rgba(255,0,0,0.5) + this.r=Math.min(255,parseInt(color[1],10))/255;this.g=Math.min(255,parseInt(color[2],10))/255;this.b=Math.min(255,parseInt(color[3],10))/255;handleAlpha(color[5]);return this;}if(color=/^(\d+)\%\s*,\s*(\d+)\%\s*,\s*(\d+)\%\s*(,\s*([0-9]*\.?[0-9]+)\s*)?$/.exec(components)){// rgb(100%,0%,0%) rgba(100%,0%,0%,0.5) + this.r=Math.min(100,parseInt(color[1],10))/100;this.g=Math.min(100,parseInt(color[2],10))/100;this.b=Math.min(100,parseInt(color[3],10))/100;handleAlpha(color[5]);return this;}break;case'hsl':case'hsla':if(color=/^([0-9]*\.?[0-9]+)\s*,\s*(\d+)\%\s*,\s*(\d+)\%\s*(,\s*([0-9]*\.?[0-9]+)\s*)?$/.exec(components)){// hsl(120,50%,50%) hsla(120,50%,50%,0.5) + var h=parseFloat(color[1])/360;var s=parseInt(color[2],10)/100;var l=parseInt(color[3],10)/100;handleAlpha(color[5]);return this.setHSL(h,s,l);}break;}}else if(m=/^\#([A-Fa-f0-9]+)$/.exec(style)){// hex color + var hex=m[1];var size=hex.length;if(size===3){// #ff0 + this.r=parseInt(hex.charAt(0)+hex.charAt(0),16)/255;this.g=parseInt(hex.charAt(1)+hex.charAt(1),16)/255;this.b=parseInt(hex.charAt(2)+hex.charAt(2),16)/255;return this;}else if(size===6){// #ff0000 + this.r=parseInt(hex.charAt(0)+hex.charAt(1),16)/255;this.g=parseInt(hex.charAt(2)+hex.charAt(3),16)/255;this.b=parseInt(hex.charAt(4)+hex.charAt(5),16)/255;return this;}}if(style&&style.length>0){return this.setColorName(style);}return this;},setColorName:function setColorName(style){// color keywords + var hex=_colorKeywords[style];if(hex!==undefined){// red + this.setHex(hex);}else{// unknown color + console.warn('THREE.Color: Unknown color '+style);}return this;},clone:function clone(){return new this.constructor(this.r,this.g,this.b);},copy:function copy(color){this.r=color.r;this.g=color.g;this.b=color.b;return this;},copyGammaToLinear:function copyGammaToLinear(color,gammaFactor){if(gammaFactor===undefined)gammaFactor=2.0;this.r=Math.pow(color.r,gammaFactor);this.g=Math.pow(color.g,gammaFactor);this.b=Math.pow(color.b,gammaFactor);return this;},copyLinearToGamma:function copyLinearToGamma(color,gammaFactor){if(gammaFactor===undefined)gammaFactor=2.0;var safeInverse=gammaFactor>0?1.0/gammaFactor:1.0;this.r=Math.pow(color.r,safeInverse);this.g=Math.pow(color.g,safeInverse);this.b=Math.pow(color.b,safeInverse);return this;},convertGammaToLinear:function convertGammaToLinear(gammaFactor){this.copyGammaToLinear(this,gammaFactor);return this;},convertLinearToGamma:function convertLinearToGamma(gammaFactor){this.copyLinearToGamma(this,gammaFactor);return this;},copySRGBToLinear:function copySRGBToLinear(color){this.r=SRGBToLinear(color.r);this.g=SRGBToLinear(color.g);this.b=SRGBToLinear(color.b);return this;},copyLinearToSRGB:function copyLinearToSRGB(color){this.r=LinearToSRGB(color.r);this.g=LinearToSRGB(color.g);this.b=LinearToSRGB(color.b);return this;},convertSRGBToLinear:function convertSRGBToLinear(){this.copySRGBToLinear(this);return this;},convertLinearToSRGB:function convertLinearToSRGB(){this.copyLinearToSRGB(this);return this;},getHex:function getHex(){return this.r*255<<16^this.g*255<<8^this.b*255<<0;},getHexString:function getHexString(){return ('000000'+this.getHex().toString(16)).slice(-6);},getHSL:function getHSL(target){// h,s,l ranges are in 0.0 - 1.0 + if(target===undefined){console.warn('THREE.Color: .getHSL() target is now required');target={h:0,s:0,l:0};}var r=this.r,g=this.g,b=this.b;var max=Math.max(r,g,b);var min=Math.min(r,g,b);var hue,saturation;var lightness=(min+max)/2.0;if(min===max){hue=0;saturation=0;}else{var delta=max-min;saturation=lightness<=0.5?delta/(max+min):delta/(2-max-min);switch(max){case r:hue=(g-b)/delta+(g0)data.alphaTest=this.alphaTest;if(this.premultipliedAlpha===true)data.premultipliedAlpha=this.premultipliedAlpha;if(this.wireframe===true)data.wireframe=this.wireframe;if(this.wireframeLinewidth>1)data.wireframeLinewidth=this.wireframeLinewidth;if(this.wireframeLinecap!=='round')data.wireframeLinecap=this.wireframeLinecap;if(this.wireframeLinejoin!=='round')data.wireframeLinejoin=this.wireframeLinejoin;if(this.morphTargets===true)data.morphTargets=true;if(this.morphNormals===true)data.morphNormals=true;if(this.skinning===true)data.skinning=true;if(this.visible===false)data.visible=false;if(this.toneMapped===false)data.toneMapped=false;if(JSON.stringify(this.userData)!=='{}')data.userData=this.userData;// TODO: Copied from Object3D.toJSON + function extractFromCache(cache){var values=[];for(var key in cache){var data=cache[key];delete data.metadata;values.push(data);}return values;}if(isRoot){var textures=extractFromCache(meta.textures);var images=extractFromCache(meta.images);if(textures.length>0)data.textures=textures;if(images.length>0)data.images=images;}return data;},clone:function clone(){return new this.constructor().copy(this);},copy:function copy(source){this.name=source.name;this.fog=source.fog;this.blending=source.blending;this.side=source.side;this.flatShading=source.flatShading;this.vertexTangents=source.vertexTangents;this.vertexColors=source.vertexColors;this.opacity=source.opacity;this.transparent=source.transparent;this.blendSrc=source.blendSrc;this.blendDst=source.blendDst;this.blendEquation=source.blendEquation;this.blendSrcAlpha=source.blendSrcAlpha;this.blendDstAlpha=source.blendDstAlpha;this.blendEquationAlpha=source.blendEquationAlpha;this.depthFunc=source.depthFunc;this.depthTest=source.depthTest;this.depthWrite=source.depthWrite;this.stencilWriteMask=source.stencilWriteMask;this.stencilFunc=source.stencilFunc;this.stencilRef=source.stencilRef;this.stencilFuncMask=source.stencilFuncMask;this.stencilFail=source.stencilFail;this.stencilZFail=source.stencilZFail;this.stencilZPass=source.stencilZPass;this.stencilWrite=source.stencilWrite;var srcPlanes=source.clippingPlanes,dstPlanes=null;if(srcPlanes!==null){var n=srcPlanes.length;dstPlanes=new Array(n);for(var i=0;i!==n;++i){dstPlanes[i]=srcPlanes[i].clone();}}this.clippingPlanes=dstPlanes;this.clipIntersection=source.clipIntersection;this.clipShadows=source.clipShadows;this.shadowSide=source.shadowSide;this.colorWrite=source.colorWrite;this.precision=source.precision;this.polygonOffset=source.polygonOffset;this.polygonOffsetFactor=source.polygonOffsetFactor;this.polygonOffsetUnits=source.polygonOffsetUnits;this.dithering=source.dithering;this.alphaTest=source.alphaTest;this.premultipliedAlpha=source.premultipliedAlpha;this.visible=source.visible;this.toneMapped=source.toneMapped;this.userData=JSON.parse(JSON.stringify(source.userData));return this;},dispose:function dispose(){this.dispatchEvent({type:'dispose'});}});/** + * @author mrdoob / http://mrdoob.com/ + * @author alteredq / http://alteredqualia.com/ + * + * parameters = { + * color: , + * opacity: , + * map: new THREE.Texture( ), + * + * lightMap: new THREE.Texture( ), + * lightMapIntensity: + * + * aoMap: new THREE.Texture( ), + * aoMapIntensity: + * + * specularMap: new THREE.Texture( ), + * + * alphaMap: new THREE.Texture( ), + * + * envMap: new THREE.CubeTexture( [posx, negx, posy, negy, posz, negz] ), + * combine: THREE.Multiply, + * reflectivity: , + * refractionRatio: , + * + * depthTest: , + * depthWrite: , + * + * wireframe: , + * wireframeLinewidth: , + * + * skinning: , + * morphTargets: + * } + */function MeshBasicMaterial(parameters){Material.call(this);this.type='MeshBasicMaterial';this.color=new Color(0xffffff);// emissive + this.map=null;this.lightMap=null;this.lightMapIntensity=1.0;this.aoMap=null;this.aoMapIntensity=1.0;this.specularMap=null;this.alphaMap=null;this.envMap=null;this.combine=MultiplyOperation;this.reflectivity=1;this.refractionRatio=0.98;this.wireframe=false;this.wireframeLinewidth=1;this.wireframeLinecap='round';this.wireframeLinejoin='round';this.skinning=false;this.morphTargets=false;this.setValues(parameters);}MeshBasicMaterial.prototype=Object.create(Material.prototype);MeshBasicMaterial.prototype.constructor=MeshBasicMaterial;MeshBasicMaterial.prototype.isMeshBasicMaterial=true;MeshBasicMaterial.prototype.copy=function(source){Material.prototype.copy.call(this,source);this.color.copy(source.color);this.map=source.map;this.lightMap=source.lightMap;this.lightMapIntensity=source.lightMapIntensity;this.aoMap=source.aoMap;this.aoMapIntensity=source.aoMapIntensity;this.specularMap=source.specularMap;this.alphaMap=source.alphaMap;this.envMap=source.envMap;this.combine=source.combine;this.reflectivity=source.reflectivity;this.refractionRatio=source.refractionRatio;this.wireframe=source.wireframe;this.wireframeLinewidth=source.wireframeLinewidth;this.wireframeLinecap=source.wireframeLinecap;this.wireframeLinejoin=source.wireframeLinejoin;this.skinning=source.skinning;this.morphTargets=source.morphTargets;return this;};/** + * @author mrdoob / http://mrdoob.com/ + */function BufferAttribute(array,itemSize,normalized){if(Array.isArray(array)){throw new TypeError('THREE.BufferAttribute: array should be a Typed Array.');}this.name='';this.array=array;this.itemSize=itemSize;this.count=array!==undefined?array.length/itemSize:0;this.normalized=normalized===true;this.usage=StaticDrawUsage;this.updateRange={offset:0,count:-1};this.version=0;}Object.defineProperty(BufferAttribute.prototype,'needsUpdate',{set:function set(value){if(value===true)this.version++;}});Object.assign(BufferAttribute.prototype,{isBufferAttribute:true,onUploadCallback:function onUploadCallback(){},setUsage:function setUsage(value){this.usage=value;return this;},copy:function copy(source){this.name=source.name;this.array=new source.array.constructor(source.array);this.itemSize=source.itemSize;this.count=source.count;this.normalized=source.normalized;this.usage=source.usage;return this;},copyAt:function copyAt(index1,attribute,index2){index1*=this.itemSize;index2*=attribute.itemSize;for(var i=0,l=this.itemSize;i0;var hasFaceVertexUv2=faceVertexUvs[1]&&faceVertexUvs[1].length>0;// morphs + var morphTargets=geometry.morphTargets;var morphTargetsLength=morphTargets.length;var morphTargetsPosition;if(morphTargetsLength>0){morphTargetsPosition=[];for(var i=0;i0){morphTargetsNormal=[];for(var i=0;i0&&faces.length===0){console.error('THREE.DirectGeometry: Faceless geometries are not supported.');}for(var i=0;imax)max=array[i];}return max;}/** + * @author alteredq / http://alteredqualia.com/ + * @author mrdoob / http://mrdoob.com/ + */var _bufferGeometryId=1;// BufferGeometry uses odd numbers as Id + var _m1$2=new Matrix4();var _obj=new Object3D();var _offset=new Vector3();var _box$1=new Box3();var _boxMorphTargets=new Box3();var _vector$4=new Vector3();function BufferGeometry(){Object.defineProperty(this,'id',{value:_bufferGeometryId+=2});this.uuid=_Math.generateUUID();this.name='';this.type='BufferGeometry';this.index=null;this.attributes={};this.morphAttributes={};this.groups=[];this.boundingBox=null;this.boundingSphere=null;this.drawRange={start:0,count:Infinity};this.userData={};}BufferGeometry.prototype=Object.assign(Object.create(EventDispatcher.prototype),{constructor:BufferGeometry,isBufferGeometry:true,getIndex:function getIndex(){return this.index;},setIndex:function setIndex(index){if(Array.isArray(index)){this.index=new(arrayMax(index)>65535?Uint32BufferAttribute:Uint16BufferAttribute)(index,1);}else{this.index=index;}},getAttribute:function getAttribute(name){return this.attributes[name];},setAttribute:function setAttribute(name,attribute){this.attributes[name]=attribute;return this;},deleteAttribute:function deleteAttribute(name){delete this.attributes[name];return this;},addGroup:function addGroup(start,count,materialIndex){this.groups.push({start:start,count:count,materialIndex:materialIndex!==undefined?materialIndex:0});},clearGroups:function clearGroups(){this.groups=[];},setDrawRange:function setDrawRange(start,count){this.drawRange.start=start;this.drawRange.count=count;},applyMatrix:function applyMatrix(matrix){var position=this.attributes.position;if(position!==undefined){matrix.applyToBufferAttribute(position);position.needsUpdate=true;}var normal=this.attributes.normal;if(normal!==undefined){var normalMatrix=new Matrix3().getNormalMatrix(matrix);normalMatrix.applyToBufferAttribute(normal);normal.needsUpdate=true;}var tangent=this.attributes.tangent;if(tangent!==undefined){var normalMatrix=new Matrix3().getNormalMatrix(matrix);// Tangent is vec4, but the '.w' component is a sign value (+1/-1). + normalMatrix.applyToBufferAttribute(tangent);tangent.needsUpdate=true;}if(this.boundingBox!==null){this.computeBoundingBox();}if(this.boundingSphere!==null){this.computeBoundingSphere();}return this;},rotateX:function rotateX(angle){// rotate geometry around world x-axis + _m1$2.makeRotationX(angle);this.applyMatrix(_m1$2);return this;},rotateY:function rotateY(angle){// rotate geometry around world y-axis + _m1$2.makeRotationY(angle);this.applyMatrix(_m1$2);return this;},rotateZ:function rotateZ(angle){// rotate geometry around world z-axis + _m1$2.makeRotationZ(angle);this.applyMatrix(_m1$2);return this;},translate:function translate(x,y,z){// translate geometry + _m1$2.makeTranslation(x,y,z);this.applyMatrix(_m1$2);return this;},scale:function scale(x,y,z){// scale geometry + _m1$2.makeScale(x,y,z);this.applyMatrix(_m1$2);return this;},lookAt:function lookAt(vector){_obj.lookAt(vector);_obj.updateMatrix();this.applyMatrix(_obj.matrix);return this;},center:function center(){this.computeBoundingBox();this.boundingBox.getCenter(_offset).negate();this.translate(_offset.x,_offset.y,_offset.z);return this;},setFromObject:function setFromObject(object){// console.log( 'THREE.BufferGeometry.setFromObject(). Converting', object, this ); + var geometry=object.geometry;if(object.isPoints||object.isLine){var positions=new Float32BufferAttribute(geometry.vertices.length*3,3);var colors=new Float32BufferAttribute(geometry.colors.length*3,3);this.setAttribute('position',positions.copyVector3sArray(geometry.vertices));this.setAttribute('color',colors.copyColorsArray(geometry.colors));if(geometry.lineDistances&&geometry.lineDistances.length===geometry.vertices.length){var lineDistances=new Float32BufferAttribute(geometry.lineDistances.length,1);this.setAttribute('lineDistance',lineDistances.copyArray(geometry.lineDistances));}if(geometry.boundingSphere!==null){this.boundingSphere=geometry.boundingSphere.clone();}if(geometry.boundingBox!==null){this.boundingBox=geometry.boundingBox.clone();}}else if(object.isMesh){if(geometry&&geometry.isGeometry){this.fromGeometry(geometry);}}return this;},setFromPoints:function setFromPoints(points){var position=[];for(var i=0,l=points.length;i0){var normals=new Float32Array(geometry.normals.length*3);this.setAttribute('normal',new BufferAttribute(normals,3).copyVector3sArray(geometry.normals));}if(geometry.colors.length>0){var colors=new Float32Array(geometry.colors.length*3);this.setAttribute('color',new BufferAttribute(colors,3).copyColorsArray(geometry.colors));}if(geometry.uvs.length>0){var uvs=new Float32Array(geometry.uvs.length*2);this.setAttribute('uv',new BufferAttribute(uvs,2).copyVector2sArray(geometry.uvs));}if(geometry.uvs2.length>0){var uvs2=new Float32Array(geometry.uvs2.length*2);this.setAttribute('uv2',new BufferAttribute(uvs2,2).copyVector2sArray(geometry.uvs2));}// groups + this.groups=geometry.groups;// morphs + for(var name in geometry.morphTargets){var array=[];var morphTargets=geometry.morphTargets[name];for(var i=0,l=morphTargets.length;i0){var skinIndices=new Float32BufferAttribute(geometry.skinIndices.length*4,4);this.setAttribute('skinIndex',skinIndices.copyVector4sArray(geometry.skinIndices));}if(geometry.skinWeights.length>0){var skinWeights=new Float32BufferAttribute(geometry.skinWeights.length*4,4);this.setAttribute('skinWeight',skinWeights.copyVector4sArray(geometry.skinWeights));}// + if(geometry.boundingSphere!==null){this.boundingSphere=geometry.boundingSphere.clone();}if(geometry.boundingBox!==null){this.boundingBox=geometry.boundingBox.clone();}return this;},computeBoundingBox:function computeBoundingBox(){if(this.boundingBox===null){this.boundingBox=new Box3();}var position=this.attributes.position;var morphAttributesPosition=this.morphAttributes.position;if(position!==undefined){this.boundingBox.setFromBufferAttribute(position);// process morph attributes if present + if(morphAttributesPosition){for(var i=0,il=morphAttributesPosition.length;i0)data.userData=this.userData;if(this.parameters!==undefined){var parameters=this.parameters;for(var key in parameters){if(parameters[key]!==undefined)data[key]=parameters[key];}return data;}data.data={attributes:{}};var index=this.index;if(index!==null){data.data.index={type:index.array.constructor.name,array:Array.prototype.slice.call(index.array)};}var attributes=this.attributes;for(var key in attributes){var attribute=attributes[key];var attributeData=attribute.toJSON();if(attribute.name!=='')attributeData.name=attribute.name;data.data.attributes[key]=attributeData;}var morphAttributes={};var hasMorphAttributes=false;for(var key in this.morphAttributes){var attributeArray=this.morphAttributes[key];var array=[];for(var i=0,il=attributeArray.length;i0){morphAttributes[key]=array;hasMorphAttributes=true;}}if(hasMorphAttributes)data.data.morphAttributes=morphAttributes;var groups=this.groups;if(groups.length>0){data.data.groups=JSON.parse(JSON.stringify(groups));}var boundingSphere=this.boundingSphere;if(boundingSphere!==null){data.data.boundingSphere={center:boundingSphere.center.toArray(),radius:boundingSphere.radius};}return data;},clone:function clone(){/* + // Handle primitives - }, + var parameters = this.parameters; - dot: function ( v ) { + if ( parameters !== undefined ) { - return this.x * v.x + this.y * v.y; + var values = []; - }, + for ( var key in parameters ) { - cross: function ( v ) { + values.push( parameters[ key ] ); - return this.x * v.y - this.y * v.x; + } - }, + var geometry = Object.create( this.constructor.prototype ); + this.constructor.apply( geometry, values ); + return geometry; - lengthSq: function () { + } - return this.x * this.x + this.y * this.y; + return new this.constructor().copy( this ); + */return new BufferGeometry().copy(this);},copy:function copy(source){var name,i,l;// reset + this.index=null;this.attributes={};this.morphAttributes={};this.groups=[];this.boundingBox=null;this.boundingSphere=null;// name + this.name=source.name;// index + var index=source.index;if(index!==null){this.setIndex(index.clone());}// attributes + var attributes=source.attributes;for(name in attributes){var attribute=attributes[name];this.setAttribute(name,attribute.clone());}// morph attributes + var morphAttributes=source.morphAttributes;for(name in morphAttributes){var array=[];var morphAttribute=morphAttributes[name];// morphAttribute: array of Float32BufferAttributes + for(i=0,l=morphAttribute.length;i0){var morphAttribute=morphAttributes[keys[0]];if(morphAttribute!==undefined){this.morphTargetInfluences=[];this.morphTargetDictionary={};for(m=0,ml=morphAttribute.length;m0){console.error('THREE.Mesh.updateMorphTargets() no longer supports THREE.Geometry. Use THREE.BufferGeometry instead.');}}},raycast:function raycast(raycaster,intersects){var geometry=this.geometry;var material=this.material;var matrixWorld=this.matrixWorld;if(material===undefined)return;// Checking boundingSphere distance to ray + if(geometry.boundingSphere===null)geometry.computeBoundingSphere();_sphere.copy(geometry.boundingSphere);_sphere.applyMatrix4(matrixWorld);if(raycaster.ray.intersectsSphere(_sphere)===false)return;// + _inverseMatrix.getInverse(matrixWorld);_ray.copy(raycaster.ray).applyMatrix4(_inverseMatrix);// Check boundingBox before continuing + if(geometry.boundingBox!==null){if(_ray.intersectsBox(geometry.boundingBox)===false)return;}// check unsupported draw modes + if(this.drawMode!==TrianglesDrawMode){console.warn('THREE.Mesh: TriangleStripDrawMode and TriangleFanDrawMode are not supported by .raycast().');return;}var intersection;if(geometry.isBufferGeometry){var a,b,c;var index=geometry.index;var position=geometry.attributes.position;var morphPosition=geometry.morphAttributes.position;var uv=geometry.attributes.uv;var uv2=geometry.attributes.uv2;var groups=geometry.groups;var drawRange=geometry.drawRange;var i,j,il,jl;var group,groupMaterial;var start,end;if(index!==null){// indexed buffer geometry + if(Array.isArray(material)){for(i=0,il=groups.length;i0)uvs=faceVertexUvs;for(var f=0,fl=faces.length;fraycaster.far)return null;return {distance:distance,point:_intersectionPointWorld.clone(),object:object};}function checkBufferGeometryIntersection(object,material,raycaster,ray,position,morphPosition,uv,uv2,a,b,c){_vA.fromBufferAttribute(position,a);_vB.fromBufferAttribute(position,b);_vC.fromBufferAttribute(position,c);var morphInfluences=object.morphTargetInfluences;if(material.morphTargets&&morphPosition&&morphInfluences){_morphA.set(0,0,0);_morphB.set(0,0,0);_morphC.set(0,0,0);for(var i=0,il=morphPosition.length;i0){for(var i=0;i0){this.normalsNeedUpdate=true;}},computeFlatVertexNormals:function computeFlatVertexNormals(){var f,fl,face;this.computeFaceNormals();for(f=0,fl=this.faces.length;f0){this.normalsNeedUpdate=true;}},computeMorphNormals:function computeMorphNormals(){var i,il,f,fl,face;// save original normals + // - create temp variables on first access + // otherwise just copy (for faster repeated calls) + for(f=0,fl=this.faces.length;f=0;i--){var idx=faceIndicesToRemove[i];this.faces.splice(idx,1);for(j=0,jl=this.faceVertexUvs.length;j0;var hasFaceVertexNormal=face.vertexNormals.length>0;var hasFaceColor=face.color.r!==1||face.color.g!==1||face.color.b!==1;var hasFaceVertexColor=face.vertexColors.length>0;var faceType=0;faceType=setBit(faceType,0,0);// isQuad + faceType=setBit(faceType,1,hasMaterial);faceType=setBit(faceType,2,hasFaceUv);faceType=setBit(faceType,3,hasFaceVertexUv);faceType=setBit(faceType,4,hasFaceNormal);faceType=setBit(faceType,5,hasFaceVertexNormal);faceType=setBit(faceType,6,hasFaceColor);faceType=setBit(faceType,7,hasFaceVertexColor);faces.push(faceType);faces.push(face.a,face.b,face.c);faces.push(face.materialIndex);if(hasFaceVertexUv){var faceVertexUvs=this.faceVertexUvs[0][i];faces.push(getUvIndex(faceVertexUvs[0]),getUvIndex(faceVertexUvs[1]),getUvIndex(faceVertexUvs[2]));}if(hasFaceNormal){faces.push(getNormalIndex(face.normal));}if(hasFaceVertexNormal){var vertexNormals=face.vertexNormals;faces.push(getNormalIndex(vertexNormals[0]),getNormalIndex(vertexNormals[1]),getNormalIndex(vertexNormals[2]));}if(hasFaceColor){faces.push(getColorIndex(face.color));}if(hasFaceVertexColor){var vertexColors=face.vertexColors;faces.push(getColorIndex(vertexColors[0]),getColorIndex(vertexColors[1]),getColorIndex(vertexColors[2]));}}function setBit(value,position,enabled){return enabled?value|1<0)data.data.colors=colors;if(uvs.length>0)data.data.uvs=[uvs];// temporal backward compatibility + data.data.faces=faces;return data;},clone:function clone(){/* + // Handle primitives - }, + var parameters = this.parameters; - length: function () { + if ( parameters !== undefined ) { - return Math.sqrt( this.x * this.x + this.y * this.y ); + var values = []; - }, + for ( var key in parameters ) { - manhattanLength: function () { + values.push( parameters[ key ] ); - return Math.abs( this.x ) + Math.abs( this.y ); + } - }, + var geometry = Object.create( this.constructor.prototype ); + this.constructor.apply( geometry, values ); + return geometry; - normalize: function () { + } - return this.divideScalar( this.length() || 1 ); - - }, - - angle: function () { - - // computes the angle in radians with respect to the positive x-axis - - var angle = Math.atan2( this.y, this.x ); - - if ( angle < 0 ) angle += 2 * Math.PI; - - return angle; - - }, - - distanceTo: function ( v ) { - - return Math.sqrt( this.distanceToSquared( v ) ); - - }, - - distanceToSquared: function ( v ) { - - var dx = this.x - v.x, dy = this.y - v.y; - return dx * dx + dy * dy; - - }, - - manhattanDistanceTo: function ( v ) { - - return Math.abs( this.x - v.x ) + Math.abs( this.y - v.y ); - - }, - - setLength: function ( length ) { - - return this.normalize().multiplyScalar( length ); - - }, - - lerp: function ( v, alpha ) { - - this.x += ( v.x - this.x ) * alpha; - this.y += ( v.y - this.y ) * alpha; - - return this; - - }, - - lerpVectors: function ( v1, v2, alpha ) { - - return this.subVectors( v2, v1 ).multiplyScalar( alpha ).add( v1 ); - - }, - - equals: function ( v ) { - - return ( ( v.x === this.x ) && ( v.y === this.y ) ); - - }, - - fromArray: function ( array, offset ) { - - if ( offset === undefined ) offset = 0; - - this.x = array[ offset ]; - this.y = array[ offset + 1 ]; - - return this; - - }, - - toArray: function ( array, offset ) { - - if ( array === undefined ) array = []; - if ( offset === undefined ) offset = 0; - - array[ offset ] = this.x; - array[ offset + 1 ] = this.y; - - return array; - - }, - - fromBufferAttribute: function ( attribute, index, offset ) { - - if ( offset !== undefined ) { - - console.warn( 'THREE.Vector2: offset has been removed from .fromBufferAttribute().' ); - - } - - this.x = attribute.getX( index ); - this.y = attribute.getY( index ); - - return this; - - }, - - rotateAround: function ( center, angle ) { - - var c = Math.cos( angle ), s = Math.sin( angle ); - - var x = this.x - center.x; - var y = this.y - center.y; - - this.x = x * c - y * s + center.x; - this.y = x * s + y * c + center.y; - - return this; - - } - - } ); - - /** + return new this.constructor().copy( this ); + */return new Geometry().copy(this);},copy:function copy(source){var i,il,j,jl,k,kl;// reset + this.vertices=[];this.colors=[];this.faces=[];this.faceVertexUvs=[[]];this.morphTargets=[];this.morphNormals=[];this.skinWeights=[];this.skinIndices=[];this.lineDistances=[];this.boundingBox=null;this.boundingSphere=null;// name + this.name=source.name;// vertices + var vertices=source.vertices;for(i=0,il=vertices.length;i0?1:-1;// now apply vector to normal buffer + normals.push(vector.x,vector.y,vector.z);// uvs + uvs.push(ix/gridX);uvs.push(1-iy/gridY);// counters + vertexCounter+=1;}}// indices + // 1. you need three indices to draw a single face + // 2. a single segment consists of two faces + // 3. so we need to generate six (2*3) indices per segment + for(iy=0;iy, + * vertexShader: , + * + * wireframe: , + * wireframeLinewidth: , + * + * lights: , + * + * skinning: , + * morphTargets: , + * morphNormals: + * } + */function ShaderMaterial(parameters){Material.call(this);this.type='ShaderMaterial';this.defines={};this.uniforms={};this.vertexShader=default_vertex;this.fragmentShader=default_fragment;this.linewidth=1;this.wireframe=false;this.wireframeLinewidth=1;this.fog=false;// set to use scene fog + this.lights=false;// set to use scene lights + this.clipping=false;// set to use user-defined clipping planes + this.skinning=false;// set to use skinning attribute streams + this.morphTargets=false;// set to use morph targets + this.morphNormals=false;// set to use morph normals + this.extensions={derivatives:false,// set to use derivatives + fragDepth:false,// set to use fragment depth values + drawBuffers:false,// set to use draw buffers + shaderTextureLOD:false// set to use shader texture LOD + };// When rendered geometry doesn't include these attributes but the material does, + // use these default values in WebGL. This avoids errors when buffer data is missing. + this.defaultAttributeValues={'color':[1,1,1],'uv':[0,0],'uv2':[0,0]};this.index0AttributeName=undefined;this.uniformsNeedUpdate=false;if(parameters!==undefined){if(parameters.attributes!==undefined){console.error('THREE.ShaderMaterial: attributes should now be defined in THREE.BufferGeometry instead.');}this.setValues(parameters);}}ShaderMaterial.prototype=Object.create(Material.prototype);ShaderMaterial.prototype.constructor=ShaderMaterial;ShaderMaterial.prototype.isShaderMaterial=true;ShaderMaterial.prototype.copy=function(source){Material.prototype.copy.call(this,source);this.fragmentShader=source.fragmentShader;this.vertexShader=source.vertexShader;this.uniforms=cloneUniforms(source.uniforms);this.defines=Object.assign({},source.defines);this.wireframe=source.wireframe;this.wireframeLinewidth=source.wireframeLinewidth;this.lights=source.lights;this.clipping=source.clipping;this.skinning=source.skinning;this.morphTargets=source.morphTargets;this.morphNormals=source.morphNormals;this.extensions=source.extensions;return this;};ShaderMaterial.prototype.toJSON=function(meta){var data=Material.prototype.toJSON.call(this,meta);data.uniforms={};for(var name in this.uniforms){var uniform=this.uniforms[name];var value=uniform.value;if(value&&value.isTexture){data.uniforms[name]={type:'t',value:value.toJSON(meta).uuid};}else if(value&&value.isColor){data.uniforms[name]={type:'c',value:value.getHex()};}else if(value&&value.isVector2){data.uniforms[name]={type:'v2',value:value.toArray()};}else if(value&&value.isVector3){data.uniforms[name]={type:'v3',value:value.toArray()};}else if(value&&value.isVector4){data.uniforms[name]={type:'v4',value:value.toArray()};}else if(value&&value.isMatrix3){data.uniforms[name]={type:'m3',value:value.toArray()};}else if(value&&value.isMatrix4){data.uniforms[name]={type:'m4',value:value.toArray()};}else{data.uniforms[name]={value:value};// note: the array variants v2v, v3v, v4v, m4v and tv are not supported so far + }}if(Object.keys(this.defines).length>0)data.defines=this.defines;data.vertexShader=this.vertexShader;data.fragmentShader=this.fragmentShader;var extensions={};for(var key in this.extensions){if(this.extensions[key]===true)extensions[key]=true;}if(Object.keys(extensions).length>0)data.extensions=extensions;return data;};/** + * @author mrdoob / http://mrdoob.com/ * @author mikael emtinger / http://gomo.se/ + * @author WestLangley / http://github.com/WestLangley + */function Camera(){Object3D.call(this);this.type='Camera';this.matrixWorldInverse=new Matrix4();this.projectionMatrix=new Matrix4();this.projectionMatrixInverse=new Matrix4();}Camera.prototype=Object.assign(Object.create(Object3D.prototype),{constructor:Camera,isCamera:true,copy:function copy(source,recursive){Object3D.prototype.copy.call(this,source,recursive);this.matrixWorldInverse.copy(source.matrixWorldInverse);this.projectionMatrix.copy(source.projectionMatrix);this.projectionMatrixInverse.copy(source.projectionMatrixInverse);return this;},getWorldDirection:function getWorldDirection(target){if(target===undefined){console.warn('THREE.Camera: .getWorldDirection() target is now required');target=new Vector3();}this.updateMatrixWorld(true);var e=this.matrixWorld.elements;return target.set(-e[8],-e[9],-e[10]).normalize();},updateMatrixWorld:function updateMatrixWorld(force){Object3D.prototype.updateMatrixWorld.call(this,force);this.matrixWorldInverse.getInverse(this.matrixWorld);},clone:function clone(){return new this.constructor().copy(this);}});/** + * @author mrdoob / http://mrdoob.com/ + * @author greggman / http://games.greggman.com/ + * @author zz85 / http://www.lab4games.net/zz85/blog + * @author tschw + */function PerspectiveCamera(fov,aspect,near,far){Camera.call(this);this.type='PerspectiveCamera';this.fov=fov!==undefined?fov:50;this.zoom=1;this.near=near!==undefined?near:0.1;this.far=far!==undefined?far:2000;this.focus=10;this.aspect=aspect!==undefined?aspect:1;this.view=null;this.filmGauge=35;// width of the film (default in millimeters) + this.filmOffset=0;// horizontal film offset (same unit as gauge) + this.updateProjectionMatrix();}PerspectiveCamera.prototype=Object.assign(Object.create(Camera.prototype),{constructor:PerspectiveCamera,isPerspectiveCamera:true,copy:function copy(source,recursive){Camera.prototype.copy.call(this,source,recursive);this.fov=source.fov;this.zoom=source.zoom;this.near=source.near;this.far=source.far;this.focus=source.focus;this.aspect=source.aspect;this.view=source.view===null?null:Object.assign({},source.view);this.filmGauge=source.filmGauge;this.filmOffset=source.filmOffset;return this;},/** + * Sets the FOV by focal length in respect to the current .filmGauge. + * + * The default film gauge is 35, so that the focal length can be specified for + * a 35mm (full frame) camera. + * + * Values for focal length and film gauge must have the same unit. + */setFocalLength:function setFocalLength(focalLength){// see http://www.bobatkins.com/photography/technical/field_of_view.html + var vExtentSlope=0.5*this.getFilmHeight()/focalLength;this.fov=_Math.RAD2DEG*2*Math.atan(vExtentSlope);this.updateProjectionMatrix();},/** + * Calculates the focal length from the current .fov and .filmGauge. + */getFocalLength:function getFocalLength(){var vExtentSlope=Math.tan(_Math.DEG2RAD*0.5*this.fov);return 0.5*this.getFilmHeight()/vExtentSlope;},getEffectiveFOV:function getEffectiveFOV(){return _Math.RAD2DEG*2*Math.atan(Math.tan(_Math.DEG2RAD*0.5*this.fov)/this.zoom);},getFilmWidth:function getFilmWidth(){// film not completely covered in portrait format (aspect < 1) + return this.filmGauge*Math.min(this.aspect,1);},getFilmHeight:function getFilmHeight(){// film not completely covered in landscape format (aspect > 1) + return this.filmGauge/Math.max(this.aspect,1);},/** + * Sets an offset in a larger frustum. This is useful for multi-window or + * multi-monitor/multi-machine setups. + * + * For example, if you have 3x2 monitors and each monitor is 1920x1080 and + * the monitors are in grid like this + * + * +---+---+---+ + * | A | B | C | + * +---+---+---+ + * | D | E | F | + * +---+---+---+ + * + * then for each monitor you would call it like this + * + * var w = 1920; + * var h = 1080; + * var fullWidth = w * 3; + * var fullHeight = h * 2; + * + * --A-- + * camera.setViewOffset( fullWidth, fullHeight, w * 0, h * 0, w, h ); + * --B-- + * camera.setViewOffset( fullWidth, fullHeight, w * 1, h * 0, w, h ); + * --C-- + * camera.setViewOffset( fullWidth, fullHeight, w * 2, h * 0, w, h ); + * --D-- + * camera.setViewOffset( fullWidth, fullHeight, w * 0, h * 1, w, h ); + * --E-- + * camera.setViewOffset( fullWidth, fullHeight, w * 1, h * 1, w, h ); + * --F-- + * camera.setViewOffset( fullWidth, fullHeight, w * 2, h * 1, w, h ); + * + * Note there is no reason monitors have to be the same size or in a grid. + */setViewOffset:function setViewOffset(fullWidth,fullHeight,x,y,width,height){this.aspect=fullWidth/fullHeight;if(this.view===null){this.view={enabled:true,fullWidth:1,fullHeight:1,offsetX:0,offsetY:0,width:1,height:1};}this.view.enabled=true;this.view.fullWidth=fullWidth;this.view.fullHeight=fullHeight;this.view.offsetX=x;this.view.offsetY=y;this.view.width=width;this.view.height=height;this.updateProjectionMatrix();},clearViewOffset:function clearViewOffset(){if(this.view!==null){this.view.enabled=false;}this.updateProjectionMatrix();},updateProjectionMatrix:function updateProjectionMatrix(){var near=this.near,top=near*Math.tan(_Math.DEG2RAD*0.5*this.fov)/this.zoom,height=2*top,width=this.aspect*height,left=-0.5*width,view=this.view;if(this.view!==null&&this.view.enabled){var fullWidth=view.fullWidth,fullHeight=view.fullHeight;left+=view.offsetX*width/fullWidth;top-=view.offsetY*height/fullHeight;width*=view.width/fullWidth;height*=view.height/fullHeight;}var skew=this.filmOffset;if(skew!==0)left+=near*skew/this.getFilmWidth();this.projectionMatrix.makePerspective(left,left+width,top,top-height,near,this.far);this.projectionMatrixInverse.getInverse(this.projectionMatrix);},toJSON:function toJSON(meta){var data=Object3D.prototype.toJSON.call(this,meta);data.object.fov=this.fov;data.object.zoom=this.zoom;data.object.near=this.near;data.object.far=this.far;data.object.focus=this.focus;data.object.aspect=this.aspect;if(this.view!==null)data.object.view=Object.assign({},this.view);data.object.filmGauge=this.filmGauge;data.object.filmOffset=this.filmOffset;return data;}});/** + * Camera for rendering cube maps + * - renders scene into axis-aligned cube + * * @author alteredq / http://alteredqualia.com/ + */var fov=90,aspect=1;function CubeCamera(near,far,cubeResolution,options){Object3D.call(this);this.type='CubeCamera';var cameraPX=new PerspectiveCamera(fov,aspect,near,far);cameraPX.up.set(0,-1,0);cameraPX.lookAt(new Vector3(1,0,0));this.add(cameraPX);var cameraNX=new PerspectiveCamera(fov,aspect,near,far);cameraNX.up.set(0,-1,0);cameraNX.lookAt(new Vector3(-1,0,0));this.add(cameraNX);var cameraPY=new PerspectiveCamera(fov,aspect,near,far);cameraPY.up.set(0,0,1);cameraPY.lookAt(new Vector3(0,1,0));this.add(cameraPY);var cameraNY=new PerspectiveCamera(fov,aspect,near,far);cameraNY.up.set(0,0,-1);cameraNY.lookAt(new Vector3(0,-1,0));this.add(cameraNY);var cameraPZ=new PerspectiveCamera(fov,aspect,near,far);cameraPZ.up.set(0,-1,0);cameraPZ.lookAt(new Vector3(0,0,1));this.add(cameraPZ);var cameraNZ=new PerspectiveCamera(fov,aspect,near,far);cameraNZ.up.set(0,-1,0);cameraNZ.lookAt(new Vector3(0,0,-1));this.add(cameraNZ);options=options||{format:RGBFormat,magFilter:LinearFilter,minFilter:LinearFilter};this.renderTarget=new WebGLRenderTargetCube(cubeResolution,cubeResolution,options);this.renderTarget.texture.name="CubeCamera";this.update=function(renderer,scene){if(this.parent===null)this.updateMatrixWorld();var currentRenderTarget=renderer.getRenderTarget();var renderTarget=this.renderTarget;var generateMipmaps=renderTarget.texture.generateMipmaps;renderTarget.texture.generateMipmaps=false;renderer.setRenderTarget(renderTarget,0);renderer.render(scene,cameraPX);renderer.setRenderTarget(renderTarget,1);renderer.render(scene,cameraNX);renderer.setRenderTarget(renderTarget,2);renderer.render(scene,cameraPY);renderer.setRenderTarget(renderTarget,3);renderer.render(scene,cameraNY);renderer.setRenderTarget(renderTarget,4);renderer.render(scene,cameraPZ);renderTarget.texture.generateMipmaps=generateMipmaps;renderer.setRenderTarget(renderTarget,5);renderer.render(scene,cameraNZ);renderer.setRenderTarget(currentRenderTarget);};this.clear=function(renderer,color,depth,stencil){var currentRenderTarget=renderer.getRenderTarget();var renderTarget=this.renderTarget;for(var i=0;i<6;i++){renderer.setRenderTarget(renderTarget,i);renderer.clear(color,depth,stencil);}renderer.setRenderTarget(currentRenderTarget);};}CubeCamera.prototype=Object.create(Object3D.prototype);CubeCamera.prototype.constructor=CubeCamera;/** + * @author alteredq / http://alteredqualia.com * @author WestLangley / http://github.com/WestLangley + */function WebGLRenderTargetCube(width,height,options){WebGLRenderTarget.call(this,width,height,options);}WebGLRenderTargetCube.prototype=Object.create(WebGLRenderTarget.prototype);WebGLRenderTargetCube.prototype.constructor=WebGLRenderTargetCube;WebGLRenderTargetCube.prototype.isWebGLRenderTargetCube=true;WebGLRenderTargetCube.prototype.fromEquirectangularTexture=function(renderer,texture){this.texture.type=texture.type;this.texture.format=texture.format;this.texture.encoding=texture.encoding;var scene=new Scene();var shader={uniforms:{tEquirect:{value:null}},vertexShader:["varying vec3 vWorldDirection;","vec3 transformDirection( in vec3 dir, in mat4 matrix ) {"," return normalize( ( matrix * vec4( dir, 0.0 ) ).xyz );","}","void main() {"," vWorldDirection = transformDirection( position, modelMatrix );"," #include "," #include ","}"].join('\n'),fragmentShader:["uniform sampler2D tEquirect;","varying vec3 vWorldDirection;","#define RECIPROCAL_PI 0.31830988618","#define RECIPROCAL_PI2 0.15915494","void main() {"," vec3 direction = normalize( vWorldDirection );"," vec2 sampleUV;"," sampleUV.y = asin( clamp( direction.y, - 1.0, 1.0 ) ) * RECIPROCAL_PI + 0.5;"," sampleUV.x = atan( direction.z, direction.x ) * RECIPROCAL_PI2 + 0.5;"," gl_FragColor = texture2D( tEquirect, sampleUV );","}"].join('\n')};var material=new ShaderMaterial({type:'CubemapFromEquirect',uniforms:cloneUniforms(shader.uniforms),vertexShader:shader.vertexShader,fragmentShader:shader.fragmentShader,side:BackSide,blending:NoBlending});material.uniforms.tEquirect.value=texture;var mesh=new Mesh(new BoxBufferGeometry(5,5,5),material);scene.add(mesh);var camera=new CubeCamera(1,10,1);camera.renderTarget=this;camera.renderTarget.texture.name='CubeCameraTexture';camera.update(renderer,scene);mesh.geometry.dispose();mesh.material.dispose();return this;};/** + * @author alteredq / http://alteredqualia.com/ + */function DataTexture(data,width,height,format,type,mapping,wrapS,wrapT,magFilter,minFilter,anisotropy,encoding){Texture.call(this,null,mapping,wrapS,wrapT,magFilter,minFilter,format,type,anisotropy,encoding);this.image={data:data||null,width:width||1,height:height||1};this.magFilter=magFilter!==undefined?magFilter:NearestFilter;this.minFilter=minFilter!==undefined?minFilter:NearestFilter;this.generateMipmaps=false;this.flipY=false;this.unpackAlignment=1;this.needsUpdate=true;}DataTexture.prototype=Object.create(Texture.prototype);DataTexture.prototype.constructor=DataTexture;DataTexture.prototype.isDataTexture=true;/** + * @author mrdoob / http://mrdoob.com/ + * @author alteredq / http://alteredqualia.com/ * @author bhouston / http://clara.io - */ - - function Quaternion( x, y, z, w ) { - - this._x = x || 0; - this._y = y || 0; - this._z = z || 0; - this._w = ( w !== undefined ) ? w : 1; - - } - - Object.assign( Quaternion, { - - slerp: function ( qa, qb, qm, t ) { - - return qm.copy( qa ).slerp( qb, t ); - - }, - - slerpFlat: function ( dst, dstOffset, src0, srcOffset0, src1, srcOffset1, t ) { - - // fuzz-free, array-based Quaternion SLERP operation - - var x0 = src0[ srcOffset0 + 0 ], - y0 = src0[ srcOffset0 + 1 ], - z0 = src0[ srcOffset0 + 2 ], - w0 = src0[ srcOffset0 + 3 ], - - x1 = src1[ srcOffset1 + 0 ], - y1 = src1[ srcOffset1 + 1 ], - z1 = src1[ srcOffset1 + 2 ], - w1 = src1[ srcOffset1 + 3 ]; - - if ( w0 !== w1 || x0 !== x1 || y0 !== y1 || z0 !== z1 ) { - - var s = 1 - t, - - cos = x0 * x1 + y0 * y1 + z0 * z1 + w0 * w1, - - dir = ( cos >= 0 ? 1 : - 1 ), - sqrSin = 1 - cos * cos; - - // Skip the Slerp for tiny steps to avoid numeric problems: - if ( sqrSin > Number.EPSILON ) { - - var sin = Math.sqrt( sqrSin ), - len = Math.atan2( sin, cos * dir ); - - s = Math.sin( s * len ) / sin; - t = Math.sin( t * len ) / sin; - - } - - var tDir = t * dir; - - x0 = x0 * s + x1 * tDir; - y0 = y0 * s + y1 * tDir; - z0 = z0 * s + z1 * tDir; - w0 = w0 * s + w1 * tDir; - - // Normalize in case we just did a lerp: - if ( s === 1 - t ) { - - var f = 1 / Math.sqrt( x0 * x0 + y0 * y0 + z0 * z0 + w0 * w0 ); - - x0 *= f; - y0 *= f; - z0 *= f; - w0 *= f; - - } - - } - - dst[ dstOffset ] = x0; - dst[ dstOffset + 1 ] = y0; - dst[ dstOffset + 2 ] = z0; - dst[ dstOffset + 3 ] = w0; - - } - - } ); - - Object.defineProperties( Quaternion.prototype, { - - x: { - - get: function () { - - return this._x; - - }, - - set: function ( value ) { - - this._x = value; - this._onChangeCallback(); - - } - - }, - - y: { - - get: function () { - - return this._y; - - }, - - set: function ( value ) { - - this._y = value; - this._onChangeCallback(); - - } - - }, - - z: { - - get: function () { - - return this._z; - - }, - - set: function ( value ) { - - this._z = value; - this._onChangeCallback(); - - } - - }, - - w: { - - get: function () { - - return this._w; - - }, - - set: function ( value ) { - - this._w = value; - this._onChangeCallback(); - - } - - } - - } ); - - Object.assign( Quaternion.prototype, { - - isQuaternion: true, - - set: function ( x, y, z, w ) { - - this._x = x; - this._y = y; - this._z = z; - this._w = w; - - this._onChangeCallback(); - - return this; - - }, - - clone: function () { - - return new this.constructor( this._x, this._y, this._z, this._w ); - - }, - - copy: function ( quaternion ) { - - this._x = quaternion.x; - this._y = quaternion.y; - this._z = quaternion.z; - this._w = quaternion.w; - - this._onChangeCallback(); - - return this; - - }, - - setFromEuler: function ( euler, update ) { - - if ( ! ( euler && euler.isEuler ) ) { - - throw new Error( 'THREE.Quaternion: .setFromEuler() now expects an Euler rotation rather than a Vector3 and order.' ); - - } - - var x = euler._x, y = euler._y, z = euler._z, order = euler.order; - - // http://www.mathworks.com/matlabcentral/fileexchange/ - // 20696-function-to-convert-between-dcm-euler-angles-quaternions-and-euler-vectors/ - // content/SpinCalc.m - - var cos = Math.cos; - var sin = Math.sin; - - var c1 = cos( x / 2 ); - var c2 = cos( y / 2 ); - var c3 = cos( z / 2 ); - - var s1 = sin( x / 2 ); - var s2 = sin( y / 2 ); - var s3 = sin( z / 2 ); - - if ( order === 'XYZ' ) { - - this._x = s1 * c2 * c3 + c1 * s2 * s3; - this._y = c1 * s2 * c3 - s1 * c2 * s3; - this._z = c1 * c2 * s3 + s1 * s2 * c3; - this._w = c1 * c2 * c3 - s1 * s2 * s3; - - } else if ( order === 'YXZ' ) { - - this._x = s1 * c2 * c3 + c1 * s2 * s3; - this._y = c1 * s2 * c3 - s1 * c2 * s3; - this._z = c1 * c2 * s3 - s1 * s2 * c3; - this._w = c1 * c2 * c3 + s1 * s2 * s3; - - } else if ( order === 'ZXY' ) { - - this._x = s1 * c2 * c3 - c1 * s2 * s3; - this._y = c1 * s2 * c3 + s1 * c2 * s3; - this._z = c1 * c2 * s3 + s1 * s2 * c3; - this._w = c1 * c2 * c3 - s1 * s2 * s3; - - } else if ( order === 'ZYX' ) { - - this._x = s1 * c2 * c3 - c1 * s2 * s3; - this._y = c1 * s2 * c3 + s1 * c2 * s3; - this._z = c1 * c2 * s3 - s1 * s2 * c3; - this._w = c1 * c2 * c3 + s1 * s2 * s3; - - } else if ( order === 'YZX' ) { - - this._x = s1 * c2 * c3 + c1 * s2 * s3; - this._y = c1 * s2 * c3 + s1 * c2 * s3; - this._z = c1 * c2 * s3 - s1 * s2 * c3; - this._w = c1 * c2 * c3 - s1 * s2 * s3; - - } else if ( order === 'XZY' ) { - - this._x = s1 * c2 * c3 - c1 * s2 * s3; - this._y = c1 * s2 * c3 - s1 * c2 * s3; - this._z = c1 * c2 * s3 + s1 * s2 * c3; - this._w = c1 * c2 * c3 + s1 * s2 * s3; - - } - - if ( update !== false ) this._onChangeCallback(); - - return this; - - }, - - setFromAxisAngle: function ( axis, angle ) { - - // http://www.euclideanspace.com/maths/geometry/rotations/conversions/angleToQuaternion/index.htm - - // assumes axis is normalized - - var halfAngle = angle / 2, s = Math.sin( halfAngle ); - - this._x = axis.x * s; - this._y = axis.y * s; - this._z = axis.z * s; - this._w = Math.cos( halfAngle ); - - this._onChangeCallback(); - - return this; - - }, - - setFromRotationMatrix: function ( m ) { - - // http://www.euclideanspace.com/maths/geometry/rotations/conversions/matrixToQuaternion/index.htm - - // assumes the upper 3x3 of m is a pure rotation matrix (i.e, unscaled) - - var te = m.elements, - - m11 = te[ 0 ], m12 = te[ 4 ], m13 = te[ 8 ], - m21 = te[ 1 ], m22 = te[ 5 ], m23 = te[ 9 ], - m31 = te[ 2 ], m32 = te[ 6 ], m33 = te[ 10 ], - - trace = m11 + m22 + m33, - s; - - if ( trace > 0 ) { - - s = 0.5 / Math.sqrt( trace + 1.0 ); - - this._w = 0.25 / s; - this._x = ( m32 - m23 ) * s; - this._y = ( m13 - m31 ) * s; - this._z = ( m21 - m12 ) * s; - - } else if ( m11 > m22 && m11 > m33 ) { - - s = 2.0 * Math.sqrt( 1.0 + m11 - m22 - m33 ); - - this._w = ( m32 - m23 ) / s; - this._x = 0.25 * s; - this._y = ( m12 + m21 ) / s; - this._z = ( m13 + m31 ) / s; - - } else if ( m22 > m33 ) { - - s = 2.0 * Math.sqrt( 1.0 + m22 - m11 - m33 ); - - this._w = ( m13 - m31 ) / s; - this._x = ( m12 + m21 ) / s; - this._y = 0.25 * s; - this._z = ( m23 + m32 ) / s; - - } else { - - s = 2.0 * Math.sqrt( 1.0 + m33 - m11 - m22 ); - - this._w = ( m21 - m12 ) / s; - this._x = ( m13 + m31 ) / s; - this._y = ( m23 + m32 ) / s; - this._z = 0.25 * s; - - } - - this._onChangeCallback(); - - return this; - - }, - - setFromUnitVectors: function ( vFrom, vTo ) { - - // assumes direction vectors vFrom and vTo are normalized - - var EPS = 0.000001; - - var r = vFrom.dot( vTo ) + 1; - - if ( r < EPS ) { - - r = 0; - - if ( Math.abs( vFrom.x ) > Math.abs( vFrom.z ) ) { - - this._x = - vFrom.y; - this._y = vFrom.x; - this._z = 0; - this._w = r; - - } else { - - this._x = 0; - this._y = - vFrom.z; - this._z = vFrom.y; - this._w = r; - - } - - } else { - - // crossVectors( vFrom, vTo ); // inlined to avoid cyclic dependency on Vector3 - - this._x = vFrom.y * vTo.z - vFrom.z * vTo.y; - this._y = vFrom.z * vTo.x - vFrom.x * vTo.z; - this._z = vFrom.x * vTo.y - vFrom.y * vTo.x; - this._w = r; - - } - - return this.normalize(); - - }, - - angleTo: function ( q ) { - - return 2 * Math.acos( Math.abs( _Math.clamp( this.dot( q ), - 1, 1 ) ) ); - - }, - - rotateTowards: function ( q, step ) { - - var angle = this.angleTo( q ); - - if ( angle === 0 ) return this; - - var t = Math.min( 1, step / angle ); - - this.slerp( q, t ); - - return this; - - }, - - inverse: function () { - - // quaternion is assumed to have unit length - - return this.conjugate(); - - }, - - conjugate: function () { - - this._x *= - 1; - this._y *= - 1; - this._z *= - 1; - - this._onChangeCallback(); - - return this; - - }, - - dot: function ( v ) { - - return this._x * v._x + this._y * v._y + this._z * v._z + this._w * v._w; - - }, - - lengthSq: function () { - - return this._x * this._x + this._y * this._y + this._z * this._z + this._w * this._w; - - }, - - length: function () { - - return Math.sqrt( this._x * this._x + this._y * this._y + this._z * this._z + this._w * this._w ); - - }, - - normalize: function () { - - var l = this.length(); - - if ( l === 0 ) { - - this._x = 0; - this._y = 0; - this._z = 0; - this._w = 1; - - } else { - - l = 1 / l; - - this._x = this._x * l; - this._y = this._y * l; - this._z = this._z * l; - this._w = this._w * l; - - } - - this._onChangeCallback(); - - return this; - - }, - - multiply: function ( q, p ) { - - if ( p !== undefined ) { - - console.warn( 'THREE.Quaternion: .multiply() now only accepts one argument. Use .multiplyQuaternions( a, b ) instead.' ); - return this.multiplyQuaternions( q, p ); - - } - - return this.multiplyQuaternions( this, q ); - - }, - - premultiply: function ( q ) { - - return this.multiplyQuaternions( q, this ); - - }, - - multiplyQuaternions: function ( a, b ) { - - // from http://www.euclideanspace.com/maths/algebra/realNormedAlgebra/quaternions/code/index.htm - - var qax = a._x, qay = a._y, qaz = a._z, qaw = a._w; - var qbx = b._x, qby = b._y, qbz = b._z, qbw = b._w; - - this._x = qax * qbw + qaw * qbx + qay * qbz - qaz * qby; - this._y = qay * qbw + qaw * qby + qaz * qbx - qax * qbz; - this._z = qaz * qbw + qaw * qbz + qax * qby - qay * qbx; - this._w = qaw * qbw - qax * qbx - qay * qby - qaz * qbz; - - this._onChangeCallback(); - - return this; - - }, - - slerp: function ( qb, t ) { - - if ( t === 0 ) return this; - if ( t === 1 ) return this.copy( qb ); - - var x = this._x, y = this._y, z = this._z, w = this._w; - - // http://www.euclideanspace.com/maths/algebra/realNormedAlgebra/quaternions/slerp/ - - var cosHalfTheta = w * qb._w + x * qb._x + y * qb._y + z * qb._z; - - if ( cosHalfTheta < 0 ) { - - this._w = - qb._w; - this._x = - qb._x; - this._y = - qb._y; - this._z = - qb._z; - - cosHalfTheta = - cosHalfTheta; - - } else { - - this.copy( qb ); - - } - - if ( cosHalfTheta >= 1.0 ) { - - this._w = w; - this._x = x; - this._y = y; - this._z = z; - - return this; - - } - - var sqrSinHalfTheta = 1.0 - cosHalfTheta * cosHalfTheta; - - if ( sqrSinHalfTheta <= Number.EPSILON ) { - - var s = 1 - t; - this._w = s * w + t * this._w; - this._x = s * x + t * this._x; - this._y = s * y + t * this._y; - this._z = s * z + t * this._z; - - this.normalize(); - this._onChangeCallback(); - - return this; - - } - - var sinHalfTheta = Math.sqrt( sqrSinHalfTheta ); - var halfTheta = Math.atan2( sinHalfTheta, cosHalfTheta ); - var ratioA = Math.sin( ( 1 - t ) * halfTheta ) / sinHalfTheta, - ratioB = Math.sin( t * halfTheta ) / sinHalfTheta; - - this._w = ( w * ratioA + this._w * ratioB ); - this._x = ( x * ratioA + this._x * ratioB ); - this._y = ( y * ratioA + this._y * ratioB ); - this._z = ( z * ratioA + this._z * ratioB ); - - this._onChangeCallback(); - - return this; - - }, - - equals: function ( quaternion ) { - - return ( quaternion._x === this._x ) && ( quaternion._y === this._y ) && ( quaternion._z === this._z ) && ( quaternion._w === this._w ); - - }, - - fromArray: function ( array, offset ) { - - if ( offset === undefined ) offset = 0; - - this._x = array[ offset ]; - this._y = array[ offset + 1 ]; - this._z = array[ offset + 2 ]; - this._w = array[ offset + 3 ]; - - this._onChangeCallback(); - - return this; - - }, - - toArray: function ( array, offset ) { - - if ( array === undefined ) array = []; - if ( offset === undefined ) offset = 0; - - array[ offset ] = this._x; - array[ offset + 1 ] = this._y; - array[ offset + 2 ] = this._z; - array[ offset + 3 ] = this._w; - - return array; - - }, - - _onChange: function ( callback ) { - - this._onChangeCallback = callback; - - return this; - - }, - - _onChangeCallback: function () {} - - } ); - - /** + */var _sphere$1=new Sphere();var _vector$5=new Vector3();function Frustum(p0,p1,p2,p3,p4,p5){this.planes=[p0!==undefined?p0:new Plane(),p1!==undefined?p1:new Plane(),p2!==undefined?p2:new Plane(),p3!==undefined?p3:new Plane(),p4!==undefined?p4:new Plane(),p5!==undefined?p5:new Plane()];}Object.assign(Frustum.prototype,{set:function set(p0,p1,p2,p3,p4,p5){var planes=this.planes;planes[0].copy(p0);planes[1].copy(p1);planes[2].copy(p2);planes[3].copy(p3);planes[4].copy(p4);planes[5].copy(p5);return this;},clone:function clone(){return new this.constructor().copy(this);},copy:function copy(frustum){var planes=this.planes;for(var i=0;i<6;i++){planes[i].copy(frustum.planes[i]);}return this;},setFromMatrix:function setFromMatrix(m){var planes=this.planes;var me=m.elements;var me0=me[0],me1=me[1],me2=me[2],me3=me[3];var me4=me[4],me5=me[5],me6=me[6],me7=me[7];var me8=me[8],me9=me[9],me10=me[10],me11=me[11];var me12=me[12],me13=me[13],me14=me[14],me15=me[15];planes[0].setComponents(me3-me0,me7-me4,me11-me8,me15-me12).normalize();planes[1].setComponents(me3+me0,me7+me4,me11+me8,me15+me12).normalize();planes[2].setComponents(me3+me1,me7+me5,me11+me9,me15+me13).normalize();planes[3].setComponents(me3-me1,me7-me5,me11-me9,me15-me13).normalize();planes[4].setComponents(me3-me2,me7-me6,me11-me10,me15-me14).normalize();planes[5].setComponents(me3+me2,me7+me6,me11+me10,me15+me14).normalize();return this;},intersectsObject:function intersectsObject(object){var geometry=object.geometry;if(geometry.boundingSphere===null)geometry.computeBoundingSphere();_sphere$1.copy(geometry.boundingSphere).applyMatrix4(object.matrixWorld);return this.intersectsSphere(_sphere$1);},intersectsSprite:function intersectsSprite(sprite){_sphere$1.center.set(0,0,0);_sphere$1.radius=0.7071067811865476;_sphere$1.applyMatrix4(sprite.matrixWorld);return this.intersectsSphere(_sphere$1);},intersectsSphere:function intersectsSphere(sphere){var planes=this.planes;var center=sphere.center;var negRadius=-sphere.radius;for(var i=0;i<6;i++){var distance=planes[i].distanceToPoint(center);if(distance0?box.max.x:box.min.x;_vector$5.y=plane.normal.y>0?box.max.y:box.min.y;_vector$5.z=plane.normal.z>0?box.max.z:box.min.z;if(plane.distanceToPoint(_vector$5)<0){return false;}}return true;},containsPoint:function containsPoint(point){var planes=this.planes;for(var i=0;i<6;i++){if(planes[i].distanceToPoint(point)<0){return false;}}return true;}});var alphamap_fragment="#ifdef USE_ALPHAMAP\n\tdiffuseColor.a *= texture2D( alphaMap, vUv ).g;\n#endif";var alphamap_pars_fragment="#ifdef USE_ALPHAMAP\n\tuniform sampler2D alphaMap;\n#endif";var alphatest_fragment="#ifdef ALPHATEST\n\tif ( diffuseColor.a < ALPHATEST ) discard;\n#endif";var aomap_fragment="#ifdef USE_AOMAP\n\tfloat ambientOcclusion = ( texture2D( aoMap, vUv2 ).r - 1.0 ) * aoMapIntensity + 1.0;\n\treflectedLight.indirectDiffuse *= ambientOcclusion;\n\t#if defined( USE_ENVMAP ) && defined( STANDARD )\n\t\tfloat dotNV = saturate( dot( geometry.normal, geometry.viewDir ) );\n\t\treflectedLight.indirectSpecular *= computeSpecularOcclusion( dotNV, ambientOcclusion, material.specularRoughness );\n\t#endif\n#endif";var aomap_pars_fragment="#ifdef USE_AOMAP\n\tuniform sampler2D aoMap;\n\tuniform float aoMapIntensity;\n#endif";var begin_vertex="vec3 transformed = vec3( position );";var beginnormal_vertex="vec3 objectNormal = vec3( normal );\n#ifdef USE_TANGENT\n\tvec3 objectTangent = vec3( tangent.xyz );\n#endif";var bsdfs="vec2 integrateSpecularBRDF( const in float dotNV, const in float roughness ) {\n\tconst vec4 c0 = vec4( - 1, - 0.0275, - 0.572, 0.022 );\n\tconst vec4 c1 = vec4( 1, 0.0425, 1.04, - 0.04 );\n\tvec4 r = roughness * c0 + c1;\n\tfloat a004 = min( r.x * r.x, exp2( - 9.28 * dotNV ) ) * r.x + r.y;\n\treturn vec2( -1.04, 1.04 ) * a004 + r.zw;\n}\nfloat punctualLightIntensityToIrradianceFactor( const in float lightDistance, const in float cutoffDistance, const in float decayExponent ) {\n#if defined ( PHYSICALLY_CORRECT_LIGHTS )\n\tfloat distanceFalloff = 1.0 / max( pow( lightDistance, decayExponent ), 0.01 );\n\tif( cutoffDistance > 0.0 ) {\n\t\tdistanceFalloff *= pow2( saturate( 1.0 - pow4( lightDistance / cutoffDistance ) ) );\n\t}\n\treturn distanceFalloff;\n#else\n\tif( cutoffDistance > 0.0 && decayExponent > 0.0 ) {\n\t\treturn pow( saturate( -lightDistance / cutoffDistance + 1.0 ), decayExponent );\n\t}\n\treturn 1.0;\n#endif\n}\nvec3 BRDF_Diffuse_Lambert( const in vec3 diffuseColor ) {\n\treturn RECIPROCAL_PI * diffuseColor;\n}\nvec3 F_Schlick( const in vec3 specularColor, const in float dotLH ) {\n\tfloat fresnel = exp2( ( -5.55473 * dotLH - 6.98316 ) * dotLH );\n\treturn ( 1.0 - specularColor ) * fresnel + specularColor;\n}\nvec3 F_Schlick_RoughnessDependent( const in vec3 F0, const in float dotNV, const in float roughness ) {\n\tfloat fresnel = exp2( ( -5.55473 * dotNV - 6.98316 ) * dotNV );\n\tvec3 Fr = max( vec3( 1.0 - roughness ), F0 ) - F0;\n\treturn Fr * fresnel + F0;\n}\nfloat G_GGX_Smith( const in float alpha, const in float dotNL, const in float dotNV ) {\n\tfloat a2 = pow2( alpha );\n\tfloat gl = dotNL + sqrt( a2 + ( 1.0 - a2 ) * pow2( dotNL ) );\n\tfloat gv = dotNV + sqrt( a2 + ( 1.0 - a2 ) * pow2( dotNV ) );\n\treturn 1.0 / ( gl * gv );\n}\nfloat G_GGX_SmithCorrelated( const in float alpha, const in float dotNL, const in float dotNV ) {\n\tfloat a2 = pow2( alpha );\n\tfloat gv = dotNL * sqrt( a2 + ( 1.0 - a2 ) * pow2( dotNV ) );\n\tfloat gl = dotNV * sqrt( a2 + ( 1.0 - a2 ) * pow2( dotNL ) );\n\treturn 0.5 / max( gv + gl, EPSILON );\n}\nfloat D_GGX( const in float alpha, const in float dotNH ) {\n\tfloat a2 = pow2( alpha );\n\tfloat denom = pow2( dotNH ) * ( a2 - 1.0 ) + 1.0;\n\treturn RECIPROCAL_PI * a2 / pow2( denom );\n}\nvec3 BRDF_Specular_GGX( const in IncidentLight incidentLight, const in vec3 viewDir, const in vec3 normal, const in vec3 specularColor, const in float roughness ) {\n\tfloat alpha = pow2( roughness );\n\tvec3 halfDir = normalize( incidentLight.direction + viewDir );\n\tfloat dotNL = saturate( dot( normal, incidentLight.direction ) );\n\tfloat dotNV = saturate( dot( normal, viewDir ) );\n\tfloat dotNH = saturate( dot( normal, halfDir ) );\n\tfloat dotLH = saturate( dot( incidentLight.direction, halfDir ) );\n\tvec3 F = F_Schlick( specularColor, dotLH );\n\tfloat G = G_GGX_SmithCorrelated( alpha, dotNL, dotNV );\n\tfloat D = D_GGX( alpha, dotNH );\n\treturn F * ( G * D );\n}\nvec2 LTC_Uv( const in vec3 N, const in vec3 V, const in float roughness ) {\n\tconst float LUT_SIZE = 64.0;\n\tconst float LUT_SCALE = ( LUT_SIZE - 1.0 ) / LUT_SIZE;\n\tconst float LUT_BIAS = 0.5 / LUT_SIZE;\n\tfloat dotNV = saturate( dot( N, V ) );\n\tvec2 uv = vec2( roughness, sqrt( 1.0 - dotNV ) );\n\tuv = uv * LUT_SCALE + LUT_BIAS;\n\treturn uv;\n}\nfloat LTC_ClippedSphereFormFactor( const in vec3 f ) {\n\tfloat l = length( f );\n\treturn max( ( l * l + f.z ) / ( l + 1.0 ), 0.0 );\n}\nvec3 LTC_EdgeVectorFormFactor( const in vec3 v1, const in vec3 v2 ) {\n\tfloat x = dot( v1, v2 );\n\tfloat y = abs( x );\n\tfloat a = 0.8543985 + ( 0.4965155 + 0.0145206 * y ) * y;\n\tfloat b = 3.4175940 + ( 4.1616724 + y ) * y;\n\tfloat v = a / b;\n\tfloat theta_sintheta = ( x > 0.0 ) ? v : 0.5 * inversesqrt( max( 1.0 - x * x, 1e-7 ) ) - v;\n\treturn cross( v1, v2 ) * theta_sintheta;\n}\nvec3 LTC_Evaluate( const in vec3 N, const in vec3 V, const in vec3 P, const in mat3 mInv, const in vec3 rectCoords[ 4 ] ) {\n\tvec3 v1 = rectCoords[ 1 ] - rectCoords[ 0 ];\n\tvec3 v2 = rectCoords[ 3 ] - rectCoords[ 0 ];\n\tvec3 lightNormal = cross( v1, v2 );\n\tif( dot( lightNormal, P - rectCoords[ 0 ] ) < 0.0 ) return vec3( 0.0 );\n\tvec3 T1, T2;\n\tT1 = normalize( V - N * dot( V, N ) );\n\tT2 = - cross( N, T1 );\n\tmat3 mat = mInv * transposeMat3( mat3( T1, T2, N ) );\n\tvec3 coords[ 4 ];\n\tcoords[ 0 ] = mat * ( rectCoords[ 0 ] - P );\n\tcoords[ 1 ] = mat * ( rectCoords[ 1 ] - P );\n\tcoords[ 2 ] = mat * ( rectCoords[ 2 ] - P );\n\tcoords[ 3 ] = mat * ( rectCoords[ 3 ] - P );\n\tcoords[ 0 ] = normalize( coords[ 0 ] );\n\tcoords[ 1 ] = normalize( coords[ 1 ] );\n\tcoords[ 2 ] = normalize( coords[ 2 ] );\n\tcoords[ 3 ] = normalize( coords[ 3 ] );\n\tvec3 vectorFormFactor = vec3( 0.0 );\n\tvectorFormFactor += LTC_EdgeVectorFormFactor( coords[ 0 ], coords[ 1 ] );\n\tvectorFormFactor += LTC_EdgeVectorFormFactor( coords[ 1 ], coords[ 2 ] );\n\tvectorFormFactor += LTC_EdgeVectorFormFactor( coords[ 2 ], coords[ 3 ] );\n\tvectorFormFactor += LTC_EdgeVectorFormFactor( coords[ 3 ], coords[ 0 ] );\n\tfloat result = LTC_ClippedSphereFormFactor( vectorFormFactor );\n\treturn vec3( result );\n}\nvec3 BRDF_Specular_GGX_Environment( const in vec3 viewDir, const in vec3 normal, const in vec3 specularColor, const in float roughness ) {\n\tfloat dotNV = saturate( dot( normal, viewDir ) );\n\tvec2 brdf = integrateSpecularBRDF( dotNV, roughness );\n\treturn specularColor * brdf.x + brdf.y;\n}\nvoid BRDF_Specular_Multiscattering_Environment( const in GeometricContext geometry, const in vec3 specularColor, const in float roughness, inout vec3 singleScatter, inout vec3 multiScatter ) {\n\tfloat dotNV = saturate( dot( geometry.normal, geometry.viewDir ) );\n\tvec3 F = F_Schlick_RoughnessDependent( specularColor, dotNV, roughness );\n\tvec2 brdf = integrateSpecularBRDF( dotNV, roughness );\n\tvec3 FssEss = F * brdf.x + brdf.y;\n\tfloat Ess = brdf.x + brdf.y;\n\tfloat Ems = 1.0 - Ess;\n\tvec3 Favg = specularColor + ( 1.0 - specularColor ) * 0.047619;\tvec3 Fms = FssEss * Favg / ( 1.0 - Ems * Favg );\n\tsingleScatter += FssEss;\n\tmultiScatter += Fms * Ems;\n}\nfloat G_BlinnPhong_Implicit( ) {\n\treturn 0.25;\n}\nfloat D_BlinnPhong( const in float shininess, const in float dotNH ) {\n\treturn RECIPROCAL_PI * ( shininess * 0.5 + 1.0 ) * pow( dotNH, shininess );\n}\nvec3 BRDF_Specular_BlinnPhong( const in IncidentLight incidentLight, const in GeometricContext geometry, const in vec3 specularColor, const in float shininess ) {\n\tvec3 halfDir = normalize( incidentLight.direction + geometry.viewDir );\n\tfloat dotNH = saturate( dot( geometry.normal, halfDir ) );\n\tfloat dotLH = saturate( dot( incidentLight.direction, halfDir ) );\n\tvec3 F = F_Schlick( specularColor, dotLH );\n\tfloat G = G_BlinnPhong_Implicit( );\n\tfloat D = D_BlinnPhong( shininess, dotNH );\n\treturn F * ( G * D );\n}\nfloat GGXRoughnessToBlinnExponent( const in float ggxRoughness ) {\n\treturn ( 2.0 / pow2( ggxRoughness + 0.0001 ) - 2.0 );\n}\nfloat BlinnExponentToGGXRoughness( const in float blinnExponent ) {\n\treturn sqrt( 2.0 / ( blinnExponent + 2.0 ) );\n}\n#if defined( USE_SHEEN )\nfloat D_Charlie(float roughness, float NoH) {\n\tfloat invAlpha = 1.0 / roughness;\n\tfloat cos2h = NoH * NoH;\n\tfloat sin2h = max(1.0 - cos2h, 0.0078125);\treturn (2.0 + invAlpha) * pow(sin2h, invAlpha * 0.5) / (2.0 * PI);\n}\nfloat V_Neubelt(float NoV, float NoL) {\n\treturn saturate(1.0 / (4.0 * (NoL + NoV - NoL * NoV)));\n}\nvec3 BRDF_Specular_Sheen( const in float roughness, const in vec3 L, const in GeometricContext geometry, vec3 specularColor ) {\n\tvec3 N = geometry.normal;\n\tvec3 V = geometry.viewDir;\n\tvec3 H = normalize( V + L );\n\tfloat dotNH = saturate( dot( N, H ) );\n\treturn specularColor * D_Charlie( roughness, dotNH ) * V_Neubelt( dot(N, V), dot(N, L) );\n}\n#endif";var bumpmap_pars_fragment="#ifdef USE_BUMPMAP\n\tuniform sampler2D bumpMap;\n\tuniform float bumpScale;\n\tvec2 dHdxy_fwd() {\n\t\tvec2 dSTdx = dFdx( vUv );\n\t\tvec2 dSTdy = dFdy( vUv );\n\t\tfloat Hll = bumpScale * texture2D( bumpMap, vUv ).x;\n\t\tfloat dBx = bumpScale * texture2D( bumpMap, vUv + dSTdx ).x - Hll;\n\t\tfloat dBy = bumpScale * texture2D( bumpMap, vUv + dSTdy ).x - Hll;\n\t\treturn vec2( dBx, dBy );\n\t}\n\tvec3 perturbNormalArb( vec3 surf_pos, vec3 surf_norm, vec2 dHdxy ) {\n\t\tvec3 vSigmaX = vec3( dFdx( surf_pos.x ), dFdx( surf_pos.y ), dFdx( surf_pos.z ) );\n\t\tvec3 vSigmaY = vec3( dFdy( surf_pos.x ), dFdy( surf_pos.y ), dFdy( surf_pos.z ) );\n\t\tvec3 vN = surf_norm;\n\t\tvec3 R1 = cross( vSigmaY, vN );\n\t\tvec3 R2 = cross( vN, vSigmaX );\n\t\tfloat fDet = dot( vSigmaX, R1 );\n\t\tfDet *= ( float( gl_FrontFacing ) * 2.0 - 1.0 );\n\t\tvec3 vGrad = sign( fDet ) * ( dHdxy.x * R1 + dHdxy.y * R2 );\n\t\treturn normalize( abs( fDet ) * surf_norm - vGrad );\n\t}\n#endif";var clipping_planes_fragment="#if NUM_CLIPPING_PLANES > 0\n\tvec4 plane;\n\t#pragma unroll_loop\n\tfor ( int i = 0; i < UNION_CLIPPING_PLANES; i ++ ) {\n\t\tplane = clippingPlanes[ i ];\n\t\tif ( dot( vViewPosition, plane.xyz ) > plane.w ) discard;\n\t}\n\t#if UNION_CLIPPING_PLANES < NUM_CLIPPING_PLANES\n\t\tbool clipped = true;\n\t\t#pragma unroll_loop\n\t\tfor ( int i = UNION_CLIPPING_PLANES; i < NUM_CLIPPING_PLANES; i ++ ) {\n\t\t\tplane = clippingPlanes[ i ];\n\t\t\tclipped = ( dot( vViewPosition, plane.xyz ) > plane.w ) && clipped;\n\t\t}\n\t\tif ( clipped ) discard;\n\t#endif\n#endif";var clipping_planes_pars_fragment="#if NUM_CLIPPING_PLANES > 0\n\t#if ! defined( STANDARD ) && ! defined( PHONG ) && ! defined( MATCAP )\n\t\tvarying vec3 vViewPosition;\n\t#endif\n\tuniform vec4 clippingPlanes[ NUM_CLIPPING_PLANES ];\n#endif";var clipping_planes_pars_vertex="#if NUM_CLIPPING_PLANES > 0 && ! defined( STANDARD ) && ! defined( PHONG ) && ! defined( MATCAP )\n\tvarying vec3 vViewPosition;\n#endif";var clipping_planes_vertex="#if NUM_CLIPPING_PLANES > 0 && ! defined( STANDARD ) && ! defined( PHONG ) && ! defined( MATCAP )\n\tvViewPosition = - mvPosition.xyz;\n#endif";var color_fragment="#ifdef USE_COLOR\n\tdiffuseColor.rgb *= vColor;\n#endif";var color_pars_fragment="#ifdef USE_COLOR\n\tvarying vec3 vColor;\n#endif";var color_pars_vertex="#ifdef USE_COLOR\n\tvarying vec3 vColor;\n#endif";var color_vertex="#ifdef USE_COLOR\n\tvColor.xyz = color.xyz;\n#endif";var common="#define PI 3.14159265359\n#define PI2 6.28318530718\n#define PI_HALF 1.5707963267949\n#define RECIPROCAL_PI 0.31830988618\n#define RECIPROCAL_PI2 0.15915494\n#define LOG2 1.442695\n#define EPSILON 1e-6\n#ifndef saturate\n#define saturate(a) clamp( a, 0.0, 1.0 )\n#endif\n#define whiteComplement(a) ( 1.0 - saturate( a ) )\nfloat pow2( const in float x ) { return x*x; }\nfloat pow3( const in float x ) { return x*x*x; }\nfloat pow4( const in float x ) { float x2 = x*x; return x2*x2; }\nfloat average( const in vec3 color ) { return dot( color, vec3( 0.3333 ) ); }\nhighp float rand( const in vec2 uv ) {\n\tconst highp float a = 12.9898, b = 78.233, c = 43758.5453;\n\thighp float dt = dot( uv.xy, vec2( a,b ) ), sn = mod( dt, PI );\n\treturn fract(sin(sn) * c);\n}\n#ifdef HIGH_PRECISION\n\tfloat precisionSafeLength( vec3 v ) { return length( v ); }\n#else\n\tfloat max3( vec3 v ) { return max( max( v.x, v.y ), v.z ); }\n\tfloat precisionSafeLength( vec3 v ) {\n\t\tfloat maxComponent = max3( abs( v ) );\n\t\treturn length( v / maxComponent ) * maxComponent;\n\t}\n#endif\nstruct IncidentLight {\n\tvec3 color;\n\tvec3 direction;\n\tbool visible;\n};\nstruct ReflectedLight {\n\tvec3 directDiffuse;\n\tvec3 directSpecular;\n\tvec3 indirectDiffuse;\n\tvec3 indirectSpecular;\n};\nstruct GeometricContext {\n\tvec3 position;\n\tvec3 normal;\n\tvec3 viewDir;\n#ifdef CLEARCOAT\n\tvec3 clearcoatNormal;\n#endif\n};\nvec3 transformDirection( in vec3 dir, in mat4 matrix ) {\n\treturn normalize( ( matrix * vec4( dir, 0.0 ) ).xyz );\n}\nvec3 inverseTransformDirection( in vec3 dir, in mat4 matrix ) {\n\treturn normalize( ( vec4( dir, 0.0 ) * matrix ).xyz );\n}\nvec3 projectOnPlane(in vec3 point, in vec3 pointOnPlane, in vec3 planeNormal ) {\n\tfloat distance = dot( planeNormal, point - pointOnPlane );\n\treturn - distance * planeNormal + point;\n}\nfloat sideOfPlane( in vec3 point, in vec3 pointOnPlane, in vec3 planeNormal ) {\n\treturn sign( dot( point - pointOnPlane, planeNormal ) );\n}\nvec3 linePlaneIntersect( in vec3 pointOnLine, in vec3 lineDirection, in vec3 pointOnPlane, in vec3 planeNormal ) {\n\treturn lineDirection * ( dot( planeNormal, pointOnPlane - pointOnLine ) / dot( planeNormal, lineDirection ) ) + pointOnLine;\n}\nmat3 transposeMat3( const in mat3 m ) {\n\tmat3 tmp;\n\ttmp[ 0 ] = vec3( m[ 0 ].x, m[ 1 ].x, m[ 2 ].x );\n\ttmp[ 1 ] = vec3( m[ 0 ].y, m[ 1 ].y, m[ 2 ].y );\n\ttmp[ 2 ] = vec3( m[ 0 ].z, m[ 1 ].z, m[ 2 ].z );\n\treturn tmp;\n}\nfloat linearToRelativeLuminance( const in vec3 color ) {\n\tvec3 weights = vec3( 0.2126, 0.7152, 0.0722 );\n\treturn dot( weights, color.rgb );\n}\nbool isPerspectiveMatrix( mat4 m ) {\n return m[ 2 ][ 3 ] == - 1.0;\n}";var cube_uv_reflection_fragment="#ifdef ENVMAP_TYPE_CUBE_UV\n#define cubeUV_textureSize (1024.0)\nint getFaceFromDirection(vec3 direction) {\n\tvec3 absDirection = abs(direction);\n\tint face = -1;\n\tif( absDirection.x > absDirection.z ) {\n\t\tif(absDirection.x > absDirection.y )\n\t\t\tface = direction.x > 0.0 ? 0 : 3;\n\t\telse\n\t\t\tface = direction.y > 0.0 ? 1 : 4;\n\t}\n\telse {\n\t\tif(absDirection.z > absDirection.y )\n\t\t\tface = direction.z > 0.0 ? 2 : 5;\n\t\telse\n\t\t\tface = direction.y > 0.0 ? 1 : 4;\n\t}\n\treturn face;\n}\n#define cubeUV_maxLods1 (log2(cubeUV_textureSize*0.25) - 1.0)\n#define cubeUV_rangeClamp (exp2((6.0 - 1.0) * 2.0))\nvec2 MipLevelInfo( vec3 vec, float roughnessLevel, float roughness ) {\n\tfloat scale = exp2(cubeUV_maxLods1 - roughnessLevel);\n\tfloat dxRoughness = dFdx(roughness);\n\tfloat dyRoughness = dFdy(roughness);\n\tvec3 dx = dFdx( vec * scale * dxRoughness );\n\tvec3 dy = dFdy( vec * scale * dyRoughness );\n\tfloat d = max( dot( dx, dx ), dot( dy, dy ) );\n\td = clamp(d, 1.0, cubeUV_rangeClamp);\n\tfloat mipLevel = 0.5 * log2(d);\n\treturn vec2(floor(mipLevel), fract(mipLevel));\n}\n#define cubeUV_maxLods2 (log2(cubeUV_textureSize*0.25) - 2.0)\n#define cubeUV_rcpTextureSize (1.0 / cubeUV_textureSize)\nvec2 getCubeUV(vec3 direction, float roughnessLevel, float mipLevel) {\n\tmipLevel = roughnessLevel > cubeUV_maxLods2 - 3.0 ? 0.0 : mipLevel;\n\tfloat a = 16.0 * cubeUV_rcpTextureSize;\n\tvec2 exp2_packed = exp2( vec2( roughnessLevel, mipLevel ) );\n\tvec2 rcp_exp2_packed = vec2( 1.0 ) / exp2_packed;\n\tfloat powScale = exp2_packed.x * exp2_packed.y;\n\tfloat scale = rcp_exp2_packed.x * rcp_exp2_packed.y * 0.25;\n\tfloat mipOffset = 0.75*(1.0 - rcp_exp2_packed.y) * rcp_exp2_packed.x;\n\tbool bRes = mipLevel == 0.0;\n\tscale = bRes && (scale < a) ? a : scale;\n\tvec3 r;\n\tvec2 offset;\n\tint face = getFaceFromDirection(direction);\n\tfloat rcpPowScale = 1.0 / powScale;\n\tif( face == 0) {\n\t\tr = vec3(direction.x, -direction.z, direction.y);\n\t\toffset = vec2(0.0+mipOffset,0.75 * rcpPowScale);\n\t\toffset.y = bRes && (offset.y < 2.0*a) ? a : offset.y;\n\t}\n\telse if( face == 1) {\n\t\tr = vec3(direction.y, direction.x, direction.z);\n\t\toffset = vec2(scale+mipOffset, 0.75 * rcpPowScale);\n\t\toffset.y = bRes && (offset.y < 2.0*a) ? a : offset.y;\n\t}\n\telse if( face == 2) {\n\t\tr = vec3(direction.z, direction.x, direction.y);\n\t\toffset = vec2(2.0*scale+mipOffset, 0.75 * rcpPowScale);\n\t\toffset.y = bRes && (offset.y < 2.0*a) ? a : offset.y;\n\t}\n\telse if( face == 3) {\n\t\tr = vec3(direction.x, direction.z, direction.y);\n\t\toffset = vec2(0.0+mipOffset,0.5 * rcpPowScale);\n\t\toffset.y = bRes && (offset.y < 2.0*a) ? 0.0 : offset.y;\n\t}\n\telse if( face == 4) {\n\t\tr = vec3(direction.y, direction.x, -direction.z);\n\t\toffset = vec2(scale+mipOffset, 0.5 * rcpPowScale);\n\t\toffset.y = bRes && (offset.y < 2.0*a) ? 0.0 : offset.y;\n\t}\n\telse {\n\t\tr = vec3(direction.z, -direction.x, direction.y);\n\t\toffset = vec2(2.0*scale+mipOffset, 0.5 * rcpPowScale);\n\t\toffset.y = bRes && (offset.y < 2.0*a) ? 0.0 : offset.y;\n\t}\n\tr = normalize(r);\n\tfloat texelOffset = 0.5 * cubeUV_rcpTextureSize;\n\tvec2 s = ( r.yz / abs( r.x ) + vec2( 1.0 ) ) * 0.5;\n\tvec2 base = offset + vec2( texelOffset );\n\treturn base + s * ( scale - 2.0 * texelOffset );\n}\n#define cubeUV_maxLods3 (log2(cubeUV_textureSize*0.25) - 3.0)\nvec4 textureCubeUV( sampler2D envMap, vec3 reflectedDirection, float roughness ) {\n\tfloat roughnessVal = roughness* cubeUV_maxLods3;\n\tfloat r1 = floor(roughnessVal);\n\tfloat r2 = r1 + 1.0;\n\tfloat t = fract(roughnessVal);\n\tvec2 mipInfo = MipLevelInfo(reflectedDirection, r1, roughness);\n\tfloat s = mipInfo.y;\n\tfloat level0 = mipInfo.x;\n\tfloat level1 = level0 + 1.0;\n\tlevel1 = level1 > 5.0 ? 5.0 : level1;\n\tlevel0 += min( floor( s + 0.5 ), 5.0 );\n\tvec2 uv_10 = getCubeUV(reflectedDirection, r1, level0);\n\tvec4 color10 = envMapTexelToLinear(texture2D(envMap, uv_10));\n\tvec2 uv_20 = getCubeUV(reflectedDirection, r2, level0);\n\tvec4 color20 = envMapTexelToLinear(texture2D(envMap, uv_20));\n\tvec4 result = mix(color10, color20, t);\n\treturn vec4(result.rgb, 1.0);\n}\n#endif";var defaultnormal_vertex="vec3 transformedNormal = objectNormal;\n#ifdef USE_INSTANCING\n\ttransformedNormal = mat3( instanceMatrix ) * transformedNormal;\n#endif\ntransformedNormal = normalMatrix * transformedNormal;\n#ifdef FLIP_SIDED\n\ttransformedNormal = - transformedNormal;\n#endif\n#ifdef USE_TANGENT\n\tvec3 transformedTangent = normalMatrix * objectTangent;\n\t#ifdef FLIP_SIDED\n\t\ttransformedTangent = - transformedTangent;\n\t#endif\n#endif";var displacementmap_pars_vertex="#ifdef USE_DISPLACEMENTMAP\n\tuniform sampler2D displacementMap;\n\tuniform float displacementScale;\n\tuniform float displacementBias;\n#endif";var displacementmap_vertex="#ifdef USE_DISPLACEMENTMAP\n\ttransformed += normalize( objectNormal ) * ( texture2D( displacementMap, vUv ).x * displacementScale + displacementBias );\n#endif";var emissivemap_fragment="#ifdef USE_EMISSIVEMAP\n\tvec4 emissiveColor = texture2D( emissiveMap, vUv );\n\temissiveColor.rgb = emissiveMapTexelToLinear( emissiveColor ).rgb;\n\ttotalEmissiveRadiance *= emissiveColor.rgb;\n#endif";var emissivemap_pars_fragment="#ifdef USE_EMISSIVEMAP\n\tuniform sampler2D emissiveMap;\n#endif";var encodings_fragment="gl_FragColor = linearToOutputTexel( gl_FragColor );";var encodings_pars_fragment="\nvec4 LinearToLinear( in vec4 value ) {\n\treturn value;\n}\nvec4 GammaToLinear( in vec4 value, in float gammaFactor ) {\n\treturn vec4( pow( value.rgb, vec3( gammaFactor ) ), value.a );\n}\nvec4 LinearToGamma( in vec4 value, in float gammaFactor ) {\n\treturn vec4( pow( value.rgb, vec3( 1.0 / gammaFactor ) ), value.a );\n}\nvec4 sRGBToLinear( in vec4 value ) {\n\treturn vec4( mix( pow( value.rgb * 0.9478672986 + vec3( 0.0521327014 ), vec3( 2.4 ) ), value.rgb * 0.0773993808, vec3( lessThanEqual( value.rgb, vec3( 0.04045 ) ) ) ), value.a );\n}\nvec4 LinearTosRGB( in vec4 value ) {\n\treturn vec4( mix( pow( value.rgb, vec3( 0.41666 ) ) * 1.055 - vec3( 0.055 ), value.rgb * 12.92, vec3( lessThanEqual( value.rgb, vec3( 0.0031308 ) ) ) ), value.a );\n}\nvec4 RGBEToLinear( in vec4 value ) {\n\treturn vec4( value.rgb * exp2( value.a * 255.0 - 128.0 ), 1.0 );\n}\nvec4 LinearToRGBE( in vec4 value ) {\n\tfloat maxComponent = max( max( value.r, value.g ), value.b );\n\tfloat fExp = clamp( ceil( log2( maxComponent ) ), -128.0, 127.0 );\n\treturn vec4( value.rgb / exp2( fExp ), ( fExp + 128.0 ) / 255.0 );\n}\nvec4 RGBMToLinear( in vec4 value, in float maxRange ) {\n\treturn vec4( value.rgb * value.a * maxRange, 1.0 );\n}\nvec4 LinearToRGBM( in vec4 value, in float maxRange ) {\n\tfloat maxRGB = max( value.r, max( value.g, value.b ) );\n\tfloat M = clamp( maxRGB / maxRange, 0.0, 1.0 );\n\tM = ceil( M * 255.0 ) / 255.0;\n\treturn vec4( value.rgb / ( M * maxRange ), M );\n}\nvec4 RGBDToLinear( in vec4 value, in float maxRange ) {\n\treturn vec4( value.rgb * ( ( maxRange / 255.0 ) / value.a ), 1.0 );\n}\nvec4 LinearToRGBD( in vec4 value, in float maxRange ) {\n\tfloat maxRGB = max( value.r, max( value.g, value.b ) );\n\tfloat D = max( maxRange / maxRGB, 1.0 );\n\tD = min( floor( D ) / 255.0, 1.0 );\n\treturn vec4( value.rgb * ( D * ( 255.0 / maxRange ) ), D );\n}\nconst mat3 cLogLuvM = mat3( 0.2209, 0.3390, 0.4184, 0.1138, 0.6780, 0.7319, 0.0102, 0.1130, 0.2969 );\nvec4 LinearToLogLuv( in vec4 value ) {\n\tvec3 Xp_Y_XYZp = cLogLuvM * value.rgb;\n\tXp_Y_XYZp = max( Xp_Y_XYZp, vec3( 1e-6, 1e-6, 1e-6 ) );\n\tvec4 vResult;\n\tvResult.xy = Xp_Y_XYZp.xy / Xp_Y_XYZp.z;\n\tfloat Le = 2.0 * log2(Xp_Y_XYZp.y) + 127.0;\n\tvResult.w = fract( Le );\n\tvResult.z = ( Le - ( floor( vResult.w * 255.0 ) ) / 255.0 ) / 255.0;\n\treturn vResult;\n}\nconst mat3 cLogLuvInverseM = mat3( 6.0014, -2.7008, -1.7996, -1.3320, 3.1029, -5.7721, 0.3008, -1.0882, 5.6268 );\nvec4 LogLuvToLinear( in vec4 value ) {\n\tfloat Le = value.z * 255.0 + value.w;\n\tvec3 Xp_Y_XYZp;\n\tXp_Y_XYZp.y = exp2( ( Le - 127.0 ) / 2.0 );\n\tXp_Y_XYZp.z = Xp_Y_XYZp.y / value.y;\n\tXp_Y_XYZp.x = value.x * Xp_Y_XYZp.z;\n\tvec3 vRGB = cLogLuvInverseM * Xp_Y_XYZp.rgb;\n\treturn vec4( max( vRGB, 0.0 ), 1.0 );\n}";var envmap_fragment="#ifdef USE_ENVMAP\n\t#ifdef ENV_WORLDPOS\n\t\tvec3 cameraToFrag;\n\t\t\n\t\tif ( isOrthographic ) {\n\t\t\tcameraToFrag = normalize( vec3( - viewMatrix[ 0 ][ 2 ], - viewMatrix[ 1 ][ 2 ], - viewMatrix[ 2 ][ 2 ] ) );\n\t\t} else {\n\t\t\tcameraToFrag = normalize( vWorldPosition - cameraPosition );\n\t\t}\n\t\tvec3 worldNormal = inverseTransformDirection( normal, viewMatrix );\n\t\t#ifdef ENVMAP_MODE_REFLECTION\n\t\t\tvec3 reflectVec = reflect( cameraToFrag, worldNormal );\n\t\t#else\n\t\t\tvec3 reflectVec = refract( cameraToFrag, worldNormal, refractionRatio );\n\t\t#endif\n\t#else\n\t\tvec3 reflectVec = vReflect;\n\t#endif\n\t#ifdef ENVMAP_TYPE_CUBE\n\t\tvec4 envColor = textureCube( envMap, vec3( flipEnvMap * reflectVec.x, reflectVec.yz ) );\n\t#elif defined( ENVMAP_TYPE_EQUIREC )\n\t\tvec2 sampleUV;\n\t\treflectVec = normalize( reflectVec );\n\t\tsampleUV.y = asin( clamp( reflectVec.y, - 1.0, 1.0 ) ) * RECIPROCAL_PI + 0.5;\n\t\tsampleUV.x = atan( reflectVec.z, reflectVec.x ) * RECIPROCAL_PI2 + 0.5;\n\t\tvec4 envColor = texture2D( envMap, sampleUV );\n\t#elif defined( ENVMAP_TYPE_SPHERE )\n\t\treflectVec = normalize( reflectVec );\n\t\tvec3 reflectView = normalize( ( viewMatrix * vec4( reflectVec, 0.0 ) ).xyz + vec3( 0.0, 0.0, 1.0 ) );\n\t\tvec4 envColor = texture2D( envMap, reflectView.xy * 0.5 + 0.5 );\n\t#else\n\t\tvec4 envColor = vec4( 0.0 );\n\t#endif\n\tenvColor = envMapTexelToLinear( envColor );\n\t#ifdef ENVMAP_BLENDING_MULTIPLY\n\t\toutgoingLight = mix( outgoingLight, outgoingLight * envColor.xyz, specularStrength * reflectivity );\n\t#elif defined( ENVMAP_BLENDING_MIX )\n\t\toutgoingLight = mix( outgoingLight, envColor.xyz, specularStrength * reflectivity );\n\t#elif defined( ENVMAP_BLENDING_ADD )\n\t\toutgoingLight += envColor.xyz * specularStrength * reflectivity;\n\t#endif\n#endif";var envmap_common_pars_fragment="#ifdef USE_ENVMAP\n\tuniform float envMapIntensity;\n\tuniform float flipEnvMap;\n\tuniform int maxMipLevel;\n\t#ifdef ENVMAP_TYPE_CUBE\n\t\tuniform samplerCube envMap;\n\t#else\n\t\tuniform sampler2D envMap;\n\t#endif\n\t\n#endif";var envmap_pars_fragment="#ifdef USE_ENVMAP\n\tuniform float reflectivity;\n\t#if defined( USE_BUMPMAP ) || defined( USE_NORMALMAP ) || defined( PHONG )\n\t\t#define ENV_WORLDPOS\n\t#endif\n\t#ifdef ENV_WORLDPOS\n\t\tvarying vec3 vWorldPosition;\n\t\tuniform float refractionRatio;\n\t#else\n\t\tvarying vec3 vReflect;\n\t#endif\n#endif";var envmap_pars_vertex="#ifdef USE_ENVMAP\n\t#if defined( USE_BUMPMAP ) || defined( USE_NORMALMAP ) ||defined( PHONG )\n\t\t#define ENV_WORLDPOS\n\t#endif\n\t#ifdef ENV_WORLDPOS\n\t\t\n\t\tvarying vec3 vWorldPosition;\n\t#else\n\t\tvarying vec3 vReflect;\n\t\tuniform float refractionRatio;\n\t#endif\n#endif";var envmap_vertex="#ifdef USE_ENVMAP\n\t#ifdef ENV_WORLDPOS\n\t\tvWorldPosition = worldPosition.xyz;\n\t#else\n\t\tvec3 cameraToVertex;\n\t\tif ( isOrthographic ) { \n\t\t\tcameraToVertex = normalize( vec3( - viewMatrix[ 0 ][ 2 ], - viewMatrix[ 1 ][ 2 ], - viewMatrix[ 2 ][ 2 ] ) );\n\t\t} else {\n\t\t\tcameraToVertex = normalize( worldPosition.xyz - cameraPosition );\n\t\t}\n\t\tvec3 worldNormal = inverseTransformDirection( transformedNormal, viewMatrix );\n\t\t#ifdef ENVMAP_MODE_REFLECTION\n\t\t\tvReflect = reflect( cameraToVertex, worldNormal );\n\t\t#else\n\t\t\tvReflect = refract( cameraToVertex, worldNormal, refractionRatio );\n\t\t#endif\n\t#endif\n#endif";var fog_vertex="#ifdef USE_FOG\n\tfogDepth = -mvPosition.z;\n#endif";var fog_pars_vertex="#ifdef USE_FOG\n\tvarying float fogDepth;\n#endif";var fog_fragment="#ifdef USE_FOG\n\t#ifdef FOG_EXP2\n\t\tfloat fogFactor = 1.0 - exp( - fogDensity * fogDensity * fogDepth * fogDepth );\n\t#else\n\t\tfloat fogFactor = smoothstep( fogNear, fogFar, fogDepth );\n\t#endif\n\tgl_FragColor.rgb = mix( gl_FragColor.rgb, fogColor, fogFactor );\n#endif";var fog_pars_fragment="#ifdef USE_FOG\n\tuniform vec3 fogColor;\n\tvarying float fogDepth;\n\t#ifdef FOG_EXP2\n\t\tuniform float fogDensity;\n\t#else\n\t\tuniform float fogNear;\n\t\tuniform float fogFar;\n\t#endif\n#endif";var gradientmap_pars_fragment="#ifdef TOON\n\tuniform sampler2D gradientMap;\n\tvec3 getGradientIrradiance( vec3 normal, vec3 lightDirection ) {\n\t\tfloat dotNL = dot( normal, lightDirection );\n\t\tvec2 coord = vec2( dotNL * 0.5 + 0.5, 0.0 );\n\t\t#ifdef USE_GRADIENTMAP\n\t\t\treturn texture2D( gradientMap, coord ).rgb;\n\t\t#else\n\t\t\treturn ( coord.x < 0.7 ) ? vec3( 0.7 ) : vec3( 1.0 );\n\t\t#endif\n\t}\n#endif";var lightmap_fragment="#ifdef USE_LIGHTMAP\n\treflectedLight.indirectDiffuse += PI * texture2D( lightMap, vUv2 ).xyz * lightMapIntensity;\n#endif";var lightmap_pars_fragment="#ifdef USE_LIGHTMAP\n\tuniform sampler2D lightMap;\n\tuniform float lightMapIntensity;\n#endif";var lights_lambert_vertex="vec3 diffuse = vec3( 1.0 );\nGeometricContext geometry;\ngeometry.position = mvPosition.xyz;\ngeometry.normal = normalize( transformedNormal );\ngeometry.viewDir = ( isOrthographic ) ? vec3( 0, 0, 1 ) : normalize( -mvPosition.xyz );\nGeometricContext backGeometry;\nbackGeometry.position = geometry.position;\nbackGeometry.normal = -geometry.normal;\nbackGeometry.viewDir = geometry.viewDir;\nvLightFront = vec3( 0.0 );\nvIndirectFront = vec3( 0.0 );\n#ifdef DOUBLE_SIDED\n\tvLightBack = vec3( 0.0 );\n\tvIndirectBack = vec3( 0.0 );\n#endif\nIncidentLight directLight;\nfloat dotNL;\nvec3 directLightColor_Diffuse;\n#if NUM_POINT_LIGHTS > 0\n\t#pragma unroll_loop\n\tfor ( int i = 0; i < NUM_POINT_LIGHTS; i ++ ) {\n\t\tgetPointDirectLightIrradiance( pointLights[ i ], geometry, directLight );\n\t\tdotNL = dot( geometry.normal, directLight.direction );\n\t\tdirectLightColor_Diffuse = PI * directLight.color;\n\t\tvLightFront += saturate( dotNL ) * directLightColor_Diffuse;\n\t\t#ifdef DOUBLE_SIDED\n\t\t\tvLightBack += saturate( -dotNL ) * directLightColor_Diffuse;\n\t\t#endif\n\t}\n#endif\n#if NUM_SPOT_LIGHTS > 0\n\t#pragma unroll_loop\n\tfor ( int i = 0; i < NUM_SPOT_LIGHTS; i ++ ) {\n\t\tgetSpotDirectLightIrradiance( spotLights[ i ], geometry, directLight );\n\t\tdotNL = dot( geometry.normal, directLight.direction );\n\t\tdirectLightColor_Diffuse = PI * directLight.color;\n\t\tvLightFront += saturate( dotNL ) * directLightColor_Diffuse;\n\t\t#ifdef DOUBLE_SIDED\n\t\t\tvLightBack += saturate( -dotNL ) * directLightColor_Diffuse;\n\t\t#endif\n\t}\n#endif\n#if NUM_DIR_LIGHTS > 0\n\t#pragma unroll_loop\n\tfor ( int i = 0; i < NUM_DIR_LIGHTS; i ++ ) {\n\t\tgetDirectionalDirectLightIrradiance( directionalLights[ i ], geometry, directLight );\n\t\tdotNL = dot( geometry.normal, directLight.direction );\n\t\tdirectLightColor_Diffuse = PI * directLight.color;\n\t\tvLightFront += saturate( dotNL ) * directLightColor_Diffuse;\n\t\t#ifdef DOUBLE_SIDED\n\t\t\tvLightBack += saturate( -dotNL ) * directLightColor_Diffuse;\n\t\t#endif\n\t}\n#endif\n#if NUM_HEMI_LIGHTS > 0\n\t#pragma unroll_loop\n\tfor ( int i = 0; i < NUM_HEMI_LIGHTS; i ++ ) {\n\t\tvIndirectFront += getHemisphereLightIrradiance( hemisphereLights[ i ], geometry );\n\t\t#ifdef DOUBLE_SIDED\n\t\t\tvIndirectBack += getHemisphereLightIrradiance( hemisphereLights[ i ], backGeometry );\n\t\t#endif\n\t}\n#endif";var lights_pars_begin="uniform bool receiveShadow;\nuniform vec3 ambientLightColor;\nuniform vec3 lightProbe[ 9 ];\nvec3 shGetIrradianceAt( in vec3 normal, in vec3 shCoefficients[ 9 ] ) {\n\tfloat x = normal.x, y = normal.y, z = normal.z;\n\tvec3 result = shCoefficients[ 0 ] * 0.886227;\n\tresult += shCoefficients[ 1 ] * 2.0 * 0.511664 * y;\n\tresult += shCoefficients[ 2 ] * 2.0 * 0.511664 * z;\n\tresult += shCoefficients[ 3 ] * 2.0 * 0.511664 * x;\n\tresult += shCoefficients[ 4 ] * 2.0 * 0.429043 * x * y;\n\tresult += shCoefficients[ 5 ] * 2.0 * 0.429043 * y * z;\n\tresult += shCoefficients[ 6 ] * ( 0.743125 * z * z - 0.247708 );\n\tresult += shCoefficients[ 7 ] * 2.0 * 0.429043 * x * z;\n\tresult += shCoefficients[ 8 ] * 0.429043 * ( x * x - y * y );\n\treturn result;\n}\nvec3 getLightProbeIrradiance( const in vec3 lightProbe[ 9 ], const in GeometricContext geometry ) {\n\tvec3 worldNormal = inverseTransformDirection( geometry.normal, viewMatrix );\n\tvec3 irradiance = shGetIrradianceAt( worldNormal, lightProbe );\n\treturn irradiance;\n}\nvec3 getAmbientLightIrradiance( const in vec3 ambientLightColor ) {\n\tvec3 irradiance = ambientLightColor;\n\t#ifndef PHYSICALLY_CORRECT_LIGHTS\n\t\tirradiance *= PI;\n\t#endif\n\treturn irradiance;\n}\n#if NUM_DIR_LIGHTS > 0\n\tstruct DirectionalLight {\n\t\tvec3 direction;\n\t\tvec3 color;\n\t\tint shadow;\n\t\tfloat shadowBias;\n\t\tfloat shadowRadius;\n\t\tvec2 shadowMapSize;\n\t};\n\tuniform DirectionalLight directionalLights[ NUM_DIR_LIGHTS ];\n\tvoid getDirectionalDirectLightIrradiance( const in DirectionalLight directionalLight, const in GeometricContext geometry, out IncidentLight directLight ) {\n\t\tdirectLight.color = directionalLight.color;\n\t\tdirectLight.direction = directionalLight.direction;\n\t\tdirectLight.visible = true;\n\t}\n#endif\n#if NUM_POINT_LIGHTS > 0\n\tstruct PointLight {\n\t\tvec3 position;\n\t\tvec3 color;\n\t\tfloat distance;\n\t\tfloat decay;\n\t\tint shadow;\n\t\tfloat shadowBias;\n\t\tfloat shadowRadius;\n\t\tvec2 shadowMapSize;\n\t\tfloat shadowCameraNear;\n\t\tfloat shadowCameraFar;\n\t};\n\tuniform PointLight pointLights[ NUM_POINT_LIGHTS ];\n\tvoid getPointDirectLightIrradiance( const in PointLight pointLight, const in GeometricContext geometry, out IncidentLight directLight ) {\n\t\tvec3 lVector = pointLight.position - geometry.position;\n\t\tdirectLight.direction = normalize( lVector );\n\t\tfloat lightDistance = length( lVector );\n\t\tdirectLight.color = pointLight.color;\n\t\tdirectLight.color *= punctualLightIntensityToIrradianceFactor( lightDistance, pointLight.distance, pointLight.decay );\n\t\tdirectLight.visible = ( directLight.color != vec3( 0.0 ) );\n\t}\n#endif\n#if NUM_SPOT_LIGHTS > 0\n\tstruct SpotLight {\n\t\tvec3 position;\n\t\tvec3 direction;\n\t\tvec3 color;\n\t\tfloat distance;\n\t\tfloat decay;\n\t\tfloat coneCos;\n\t\tfloat penumbraCos;\n\t\tint shadow;\n\t\tfloat shadowBias;\n\t\tfloat shadowRadius;\n\t\tvec2 shadowMapSize;\n\t};\n\tuniform SpotLight spotLights[ NUM_SPOT_LIGHTS ];\n\tvoid getSpotDirectLightIrradiance( const in SpotLight spotLight, const in GeometricContext geometry, out IncidentLight directLight ) {\n\t\tvec3 lVector = spotLight.position - geometry.position;\n\t\tdirectLight.direction = normalize( lVector );\n\t\tfloat lightDistance = length( lVector );\n\t\tfloat angleCos = dot( directLight.direction, spotLight.direction );\n\t\tif ( angleCos > spotLight.coneCos ) {\n\t\t\tfloat spotEffect = smoothstep( spotLight.coneCos, spotLight.penumbraCos, angleCos );\n\t\t\tdirectLight.color = spotLight.color;\n\t\t\tdirectLight.color *= spotEffect * punctualLightIntensityToIrradianceFactor( lightDistance, spotLight.distance, spotLight.decay );\n\t\t\tdirectLight.visible = true;\n\t\t} else {\n\t\t\tdirectLight.color = vec3( 0.0 );\n\t\t\tdirectLight.visible = false;\n\t\t}\n\t}\n#endif\n#if NUM_RECT_AREA_LIGHTS > 0\n\tstruct RectAreaLight {\n\t\tvec3 color;\n\t\tvec3 position;\n\t\tvec3 halfWidth;\n\t\tvec3 halfHeight;\n\t};\n\tuniform sampler2D ltc_1;\tuniform sampler2D ltc_2;\n\tuniform RectAreaLight rectAreaLights[ NUM_RECT_AREA_LIGHTS ];\n#endif\n#if NUM_HEMI_LIGHTS > 0\n\tstruct HemisphereLight {\n\t\tvec3 direction;\n\t\tvec3 skyColor;\n\t\tvec3 groundColor;\n\t};\n\tuniform HemisphereLight hemisphereLights[ NUM_HEMI_LIGHTS ];\n\tvec3 getHemisphereLightIrradiance( const in HemisphereLight hemiLight, const in GeometricContext geometry ) {\n\t\tfloat dotNL = dot( geometry.normal, hemiLight.direction );\n\t\tfloat hemiDiffuseWeight = 0.5 * dotNL + 0.5;\n\t\tvec3 irradiance = mix( hemiLight.groundColor, hemiLight.skyColor, hemiDiffuseWeight );\n\t\t#ifndef PHYSICALLY_CORRECT_LIGHTS\n\t\t\tirradiance *= PI;\n\t\t#endif\n\t\treturn irradiance;\n\t}\n#endif";var envmap_physical_pars_fragment="#if defined( USE_ENVMAP )\n\t#ifdef ENVMAP_MODE_REFRACTION\n\t\tuniform float refractionRatio;\n\t#endif\n\tvec3 getLightProbeIndirectIrradiance( const in GeometricContext geometry, const in int maxMIPLevel ) {\n\t\tvec3 worldNormal = inverseTransformDirection( geometry.normal, viewMatrix );\n\t\t#ifdef ENVMAP_TYPE_CUBE\n\t\t\tvec3 queryVec = vec3( flipEnvMap * worldNormal.x, worldNormal.yz );\n\t\t\t#ifdef TEXTURE_LOD_EXT\n\t\t\t\tvec4 envMapColor = textureCubeLodEXT( envMap, queryVec, float( maxMIPLevel ) );\n\t\t\t#else\n\t\t\t\tvec4 envMapColor = textureCube( envMap, queryVec, float( maxMIPLevel ) );\n\t\t\t#endif\n\t\t\tenvMapColor.rgb = envMapTexelToLinear( envMapColor ).rgb;\n\t\t#elif defined( ENVMAP_TYPE_CUBE_UV )\n\t\t\tvec3 queryVec = vec3( flipEnvMap * worldNormal.x, worldNormal.yz );\n\t\t\tvec4 envMapColor = textureCubeUV( envMap, queryVec, 1.0 );\n\t\t#else\n\t\t\tvec4 envMapColor = vec4( 0.0 );\n\t\t#endif\n\t\treturn PI * envMapColor.rgb * envMapIntensity;\n\t}\n\tfloat getSpecularMIPLevel( const in float roughness, const in int maxMIPLevel ) {\n\t\tfloat maxMIPLevelScalar = float( maxMIPLevel );\n\t\tfloat sigma = PI * roughness * roughness / ( 1.0 + roughness );\n\t\tfloat desiredMIPLevel = maxMIPLevelScalar + log2( sigma );\n\t\treturn clamp( desiredMIPLevel, 0.0, maxMIPLevelScalar );\n\t}\n\tvec3 getLightProbeIndirectRadiance( const in vec3 viewDir, const in vec3 normal, const in float roughness, const in int maxMIPLevel ) {\n\t\t#ifdef ENVMAP_MODE_REFLECTION\n\t\t vec3 reflectVec = reflect( -viewDir, normal );\n\t\t reflectVec = normalize( mix( reflectVec, normal, roughness * roughness) );\n\t\t#else\n\t\t vec3 reflectVec = refract( -viewDir, normal, refractionRatio );\n\t\t#endif\n\t\treflectVec = inverseTransformDirection( reflectVec, viewMatrix );\n\t\tfloat specularMIPLevel = getSpecularMIPLevel( roughness, maxMIPLevel );\n\t\t#ifdef ENVMAP_TYPE_CUBE\n\t\t\tvec3 queryReflectVec = vec3( flipEnvMap * reflectVec.x, reflectVec.yz );\n\t\t\t#ifdef TEXTURE_LOD_EXT\n\t\t\t\tvec4 envMapColor = textureCubeLodEXT( envMap, queryReflectVec, specularMIPLevel );\n\t\t\t#else\n\t\t\t\tvec4 envMapColor = textureCube( envMap, queryReflectVec, specularMIPLevel );\n\t\t\t#endif\n\t\t\tenvMapColor.rgb = envMapTexelToLinear( envMapColor ).rgb;\n\t\t#elif defined( ENVMAP_TYPE_CUBE_UV )\n\t\t\tvec3 queryReflectVec = vec3( flipEnvMap * reflectVec.x, reflectVec.yz );\n\t\t\tvec4 envMapColor = textureCubeUV( envMap, queryReflectVec, roughness );\n\t\t#elif defined( ENVMAP_TYPE_EQUIREC )\n\t\t\tvec2 sampleUV;\n\t\t\tsampleUV.y = asin( clamp( reflectVec.y, - 1.0, 1.0 ) ) * RECIPROCAL_PI + 0.5;\n\t\t\tsampleUV.x = atan( reflectVec.z, reflectVec.x ) * RECIPROCAL_PI2 + 0.5;\n\t\t\t#ifdef TEXTURE_LOD_EXT\n\t\t\t\tvec4 envMapColor = texture2DLodEXT( envMap, sampleUV, specularMIPLevel );\n\t\t\t#else\n\t\t\t\tvec4 envMapColor = texture2D( envMap, sampleUV, specularMIPLevel );\n\t\t\t#endif\n\t\t\tenvMapColor.rgb = envMapTexelToLinear( envMapColor ).rgb;\n\t\t#elif defined( ENVMAP_TYPE_SPHERE )\n\t\t\tvec3 reflectView = normalize( ( viewMatrix * vec4( reflectVec, 0.0 ) ).xyz + vec3( 0.0,0.0,1.0 ) );\n\t\t\t#ifdef TEXTURE_LOD_EXT\n\t\t\t\tvec4 envMapColor = texture2DLodEXT( envMap, reflectView.xy * 0.5 + 0.5, specularMIPLevel );\n\t\t\t#else\n\t\t\t\tvec4 envMapColor = texture2D( envMap, reflectView.xy * 0.5 + 0.5, specularMIPLevel );\n\t\t\t#endif\n\t\t\tenvMapColor.rgb = envMapTexelToLinear( envMapColor ).rgb;\n\t\t#endif\n\t\treturn envMapColor.rgb * envMapIntensity;\n\t}\n#endif";var lights_phong_fragment="BlinnPhongMaterial material;\nmaterial.diffuseColor = diffuseColor.rgb;\nmaterial.specularColor = specular;\nmaterial.specularShininess = shininess;\nmaterial.specularStrength = specularStrength;";var lights_phong_pars_fragment="varying vec3 vViewPosition;\n#ifndef FLAT_SHADED\n\tvarying vec3 vNormal;\n#endif\nstruct BlinnPhongMaterial {\n\tvec3\tdiffuseColor;\n\tvec3\tspecularColor;\n\tfloat\tspecularShininess;\n\tfloat\tspecularStrength;\n};\nvoid RE_Direct_BlinnPhong( const in IncidentLight directLight, const in GeometricContext geometry, const in BlinnPhongMaterial material, inout ReflectedLight reflectedLight ) {\n\t#ifdef TOON\n\t\tvec3 irradiance = getGradientIrradiance( geometry.normal, directLight.direction ) * directLight.color;\n\t#else\n\t\tfloat dotNL = saturate( dot( geometry.normal, directLight.direction ) );\n\t\tvec3 irradiance = dotNL * directLight.color;\n\t#endif\n\t#ifndef PHYSICALLY_CORRECT_LIGHTS\n\t\tirradiance *= PI;\n\t#endif\n\treflectedLight.directDiffuse += irradiance * BRDF_Diffuse_Lambert( material.diffuseColor );\n\treflectedLight.directSpecular += irradiance * BRDF_Specular_BlinnPhong( directLight, geometry, material.specularColor, material.specularShininess ) * material.specularStrength;\n}\nvoid RE_IndirectDiffuse_BlinnPhong( const in vec3 irradiance, const in GeometricContext geometry, const in BlinnPhongMaterial material, inout ReflectedLight reflectedLight ) {\n\treflectedLight.indirectDiffuse += irradiance * BRDF_Diffuse_Lambert( material.diffuseColor );\n}\n#define RE_Direct\t\t\t\tRE_Direct_BlinnPhong\n#define RE_IndirectDiffuse\t\tRE_IndirectDiffuse_BlinnPhong\n#define Material_LightProbeLOD( material )\t(0)";var lights_physical_fragment="PhysicalMaterial material;\nmaterial.diffuseColor = diffuseColor.rgb * ( 1.0 - metalnessFactor );\nmaterial.specularRoughness = clamp( roughnessFactor, 0.04, 1.0 );\n#ifdef REFLECTIVITY\n\tmaterial.specularColor = mix( vec3( MAXIMUM_SPECULAR_COEFFICIENT * pow2( reflectivity ) ), diffuseColor.rgb, metalnessFactor );\n#else\n\tmaterial.specularColor = mix( vec3( DEFAULT_SPECULAR_COEFFICIENT ), diffuseColor.rgb, metalnessFactor );\n#endif\n#ifdef CLEARCOAT\n\tmaterial.clearcoat = saturate( clearcoat );\tmaterial.clearcoatRoughness = clamp( clearcoatRoughness, 0.04, 1.0 );\n#endif\n#ifdef USE_SHEEN\n\tmaterial.sheenColor = sheen;\n#endif";var lights_physical_pars_fragment="struct PhysicalMaterial {\n\tvec3\tdiffuseColor;\n\tfloat\tspecularRoughness;\n\tvec3\tspecularColor;\n#ifdef CLEARCOAT\n\tfloat clearcoat;\n\tfloat clearcoatRoughness;\n#endif\n#ifdef USE_SHEEN\n\tvec3 sheenColor;\n#endif\n};\n#define MAXIMUM_SPECULAR_COEFFICIENT 0.16\n#define DEFAULT_SPECULAR_COEFFICIENT 0.04\nfloat clearcoatDHRApprox( const in float roughness, const in float dotNL ) {\n\treturn DEFAULT_SPECULAR_COEFFICIENT + ( 1.0 - DEFAULT_SPECULAR_COEFFICIENT ) * ( pow( 1.0 - dotNL, 5.0 ) * pow( 1.0 - roughness, 2.0 ) );\n}\n#if NUM_RECT_AREA_LIGHTS > 0\n\tvoid RE_Direct_RectArea_Physical( const in RectAreaLight rectAreaLight, const in GeometricContext geometry, const in PhysicalMaterial material, inout ReflectedLight reflectedLight ) {\n\t\tvec3 normal = geometry.normal;\n\t\tvec3 viewDir = geometry.viewDir;\n\t\tvec3 position = geometry.position;\n\t\tvec3 lightPos = rectAreaLight.position;\n\t\tvec3 halfWidth = rectAreaLight.halfWidth;\n\t\tvec3 halfHeight = rectAreaLight.halfHeight;\n\t\tvec3 lightColor = rectAreaLight.color;\n\t\tfloat roughness = material.specularRoughness;\n\t\tvec3 rectCoords[ 4 ];\n\t\trectCoords[ 0 ] = lightPos + halfWidth - halfHeight;\t\trectCoords[ 1 ] = lightPos - halfWidth - halfHeight;\n\t\trectCoords[ 2 ] = lightPos - halfWidth + halfHeight;\n\t\trectCoords[ 3 ] = lightPos + halfWidth + halfHeight;\n\t\tvec2 uv = LTC_Uv( normal, viewDir, roughness );\n\t\tvec4 t1 = texture2D( ltc_1, uv );\n\t\tvec4 t2 = texture2D( ltc_2, uv );\n\t\tmat3 mInv = mat3(\n\t\t\tvec3( t1.x, 0, t1.y ),\n\t\t\tvec3( 0, 1, 0 ),\n\t\t\tvec3( t1.z, 0, t1.w )\n\t\t);\n\t\tvec3 fresnel = ( material.specularColor * t2.x + ( vec3( 1.0 ) - material.specularColor ) * t2.y );\n\t\treflectedLight.directSpecular += lightColor * fresnel * LTC_Evaluate( normal, viewDir, position, mInv, rectCoords );\n\t\treflectedLight.directDiffuse += lightColor * material.diffuseColor * LTC_Evaluate( normal, viewDir, position, mat3( 1.0 ), rectCoords );\n\t}\n#endif\nvoid RE_Direct_Physical( const in IncidentLight directLight, const in GeometricContext geometry, const in PhysicalMaterial material, inout ReflectedLight reflectedLight ) {\n\tfloat dotNL = saturate( dot( geometry.normal, directLight.direction ) );\n\tvec3 irradiance = dotNL * directLight.color;\n\t#ifndef PHYSICALLY_CORRECT_LIGHTS\n\t\tirradiance *= PI;\n\t#endif\n\t#ifdef CLEARCOAT\n\t\tfloat ccDotNL = saturate( dot( geometry.clearcoatNormal, directLight.direction ) );\n\t\tvec3 ccIrradiance = ccDotNL * directLight.color;\n\t\t#ifndef PHYSICALLY_CORRECT_LIGHTS\n\t\t\tccIrradiance *= PI;\n\t\t#endif\n\t\tfloat clearcoatDHR = material.clearcoat * clearcoatDHRApprox( material.clearcoatRoughness, ccDotNL );\n\t\treflectedLight.directSpecular += ccIrradiance * material.clearcoat * BRDF_Specular_GGX( directLight, geometry.viewDir, geometry.clearcoatNormal, vec3( DEFAULT_SPECULAR_COEFFICIENT ), material.clearcoatRoughness );\n\t#else\n\t\tfloat clearcoatDHR = 0.0;\n\t#endif\n\t#ifdef USE_SHEEN\n\t\treflectedLight.directSpecular += ( 1.0 - clearcoatDHR ) * irradiance * BRDF_Specular_Sheen(\n\t\t\tmaterial.specularRoughness,\n\t\t\tdirectLight.direction,\n\t\t\tgeometry,\n\t\t\tmaterial.sheenColor\n\t\t);\n\t#else\n\t\treflectedLight.directSpecular += ( 1.0 - clearcoatDHR ) * irradiance * BRDF_Specular_GGX( directLight, geometry.viewDir, geometry.normal, material.specularColor, material.specularRoughness);\n\t#endif\n\treflectedLight.directDiffuse += ( 1.0 - clearcoatDHR ) * irradiance * BRDF_Diffuse_Lambert( material.diffuseColor );\n}\nvoid RE_IndirectDiffuse_Physical( const in vec3 irradiance, const in GeometricContext geometry, const in PhysicalMaterial material, inout ReflectedLight reflectedLight ) {\n\treflectedLight.indirectDiffuse += irradiance * BRDF_Diffuse_Lambert( material.diffuseColor );\n}\nvoid RE_IndirectSpecular_Physical( const in vec3 radiance, const in vec3 irradiance, const in vec3 clearcoatRadiance, const in GeometricContext geometry, const in PhysicalMaterial material, inout ReflectedLight reflectedLight) {\n\t#ifdef CLEARCOAT\n\t\tfloat ccDotNV = saturate( dot( geometry.clearcoatNormal, geometry.viewDir ) );\n\t\treflectedLight.indirectSpecular += clearcoatRadiance * material.clearcoat * BRDF_Specular_GGX_Environment( geometry.viewDir, geometry.clearcoatNormal, vec3( DEFAULT_SPECULAR_COEFFICIENT ), material.clearcoatRoughness );\n\t\tfloat ccDotNL = ccDotNV;\n\t\tfloat clearcoatDHR = material.clearcoat * clearcoatDHRApprox( material.clearcoatRoughness, ccDotNL );\n\t#else\n\t\tfloat clearcoatDHR = 0.0;\n\t#endif\n\tfloat clearcoatInv = 1.0 - clearcoatDHR;\n\tvec3 singleScattering = vec3( 0.0 );\n\tvec3 multiScattering = vec3( 0.0 );\n\tvec3 cosineWeightedIrradiance = irradiance * RECIPROCAL_PI;\n\tBRDF_Specular_Multiscattering_Environment( geometry, material.specularColor, material.specularRoughness, singleScattering, multiScattering );\n\tvec3 diffuse = material.diffuseColor * ( 1.0 - ( singleScattering + multiScattering ) );\n\treflectedLight.indirectSpecular += clearcoatInv * radiance * singleScattering;\n\treflectedLight.indirectSpecular += multiScattering * cosineWeightedIrradiance;\n\treflectedLight.indirectDiffuse += diffuse * cosineWeightedIrradiance;\n}\n#define RE_Direct\t\t\t\tRE_Direct_Physical\n#define RE_Direct_RectArea\t\tRE_Direct_RectArea_Physical\n#define RE_IndirectDiffuse\t\tRE_IndirectDiffuse_Physical\n#define RE_IndirectSpecular\t\tRE_IndirectSpecular_Physical\nfloat computeSpecularOcclusion( const in float dotNV, const in float ambientOcclusion, const in float roughness ) {\n\treturn saturate( pow( dotNV + ambientOcclusion, exp2( - 16.0 * roughness - 1.0 ) ) - 1.0 + ambientOcclusion );\n}";var lights_fragment_begin="\nGeometricContext geometry;\ngeometry.position = - vViewPosition;\ngeometry.normal = normal;\ngeometry.viewDir = ( isOrthographic ) ? vec3( 0, 0, 1 ) : normalize( vViewPosition );\n#ifdef CLEARCOAT\n\tgeometry.clearcoatNormal = clearcoatNormal;\n#endif\nIncidentLight directLight;\n#if ( NUM_POINT_LIGHTS > 0 ) && defined( RE_Direct )\n\tPointLight pointLight;\n\t#pragma unroll_loop\n\tfor ( int i = 0; i < NUM_POINT_LIGHTS; i ++ ) {\n\t\tpointLight = pointLights[ i ];\n\t\tgetPointDirectLightIrradiance( pointLight, geometry, directLight );\n\t\t#if defined( USE_SHADOWMAP ) && ( UNROLLED_LOOP_INDEX < NUM_POINT_LIGHT_SHADOWS )\n\t\tdirectLight.color *= all( bvec3( pointLight.shadow, directLight.visible, receiveShadow ) ) ? getPointShadow( pointShadowMap[ i ], pointLight.shadowMapSize, pointLight.shadowBias, pointLight.shadowRadius, vPointShadowCoord[ i ], pointLight.shadowCameraNear, pointLight.shadowCameraFar ) : 1.0;\n\t\t#endif\n\t\tRE_Direct( directLight, geometry, material, reflectedLight );\n\t}\n#endif\n#if ( NUM_SPOT_LIGHTS > 0 ) && defined( RE_Direct )\n\tSpotLight spotLight;\n\t#pragma unroll_loop\n\tfor ( int i = 0; i < NUM_SPOT_LIGHTS; i ++ ) {\n\t\tspotLight = spotLights[ i ];\n\t\tgetSpotDirectLightIrradiance( spotLight, geometry, directLight );\n\t\t#if defined( USE_SHADOWMAP ) && ( UNROLLED_LOOP_INDEX < NUM_SPOT_LIGHT_SHADOWS )\n\t\tdirectLight.color *= all( bvec3( spotLight.shadow, directLight.visible, receiveShadow ) ) ? getShadow( spotShadowMap[ i ], spotLight.shadowMapSize, spotLight.shadowBias, spotLight.shadowRadius, vSpotShadowCoord[ i ] ) : 1.0;\n\t\t#endif\n\t\tRE_Direct( directLight, geometry, material, reflectedLight );\n\t}\n#endif\n#if ( NUM_DIR_LIGHTS > 0 ) && defined( RE_Direct )\n\tDirectionalLight directionalLight;\n\t#pragma unroll_loop\n\tfor ( int i = 0; i < NUM_DIR_LIGHTS; i ++ ) {\n\t\tdirectionalLight = directionalLights[ i ];\n\t\tgetDirectionalDirectLightIrradiance( directionalLight, geometry, directLight );\n\t\t#if defined( USE_SHADOWMAP ) && ( UNROLLED_LOOP_INDEX < NUM_DIR_LIGHT_SHADOWS )\n\t\tdirectLight.color *= all( bvec3( directionalLight.shadow, directLight.visible, receiveShadow ) ) ? getShadow( directionalShadowMap[ i ], directionalLight.shadowMapSize, directionalLight.shadowBias, directionalLight.shadowRadius, vDirectionalShadowCoord[ i ] ) : 1.0;\n\t\t#endif\n\t\tRE_Direct( directLight, geometry, material, reflectedLight );\n\t}\n#endif\n#if ( NUM_RECT_AREA_LIGHTS > 0 ) && defined( RE_Direct_RectArea )\n\tRectAreaLight rectAreaLight;\n\t#pragma unroll_loop\n\tfor ( int i = 0; i < NUM_RECT_AREA_LIGHTS; i ++ ) {\n\t\trectAreaLight = rectAreaLights[ i ];\n\t\tRE_Direct_RectArea( rectAreaLight, geometry, material, reflectedLight );\n\t}\n#endif\n#if defined( RE_IndirectDiffuse )\n\tvec3 iblIrradiance = vec3( 0.0 );\n\tvec3 irradiance = getAmbientLightIrradiance( ambientLightColor );\n\tirradiance += getLightProbeIrradiance( lightProbe, geometry );\n\t#if ( NUM_HEMI_LIGHTS > 0 )\n\t\t#pragma unroll_loop\n\t\tfor ( int i = 0; i < NUM_HEMI_LIGHTS; i ++ ) {\n\t\t\tirradiance += getHemisphereLightIrradiance( hemisphereLights[ i ], geometry );\n\t\t}\n\t#endif\n#endif\n#if defined( RE_IndirectSpecular )\n\tvec3 radiance = vec3( 0.0 );\n\tvec3 clearcoatRadiance = vec3( 0.0 );\n#endif";var lights_fragment_maps="#if defined( RE_IndirectDiffuse )\n\t#ifdef USE_LIGHTMAP\n\t\tvec3 lightMapIrradiance = texture2D( lightMap, vUv2 ).xyz * lightMapIntensity;\n\t\t#ifndef PHYSICALLY_CORRECT_LIGHTS\n\t\t\tlightMapIrradiance *= PI;\n\t\t#endif\n\t\tirradiance += lightMapIrradiance;\n\t#endif\n\t#if defined( USE_ENVMAP ) && defined( STANDARD ) && defined( ENVMAP_TYPE_CUBE_UV )\n\t\tiblIrradiance += getLightProbeIndirectIrradiance( geometry, maxMipLevel );\n\t#endif\n#endif\n#if defined( USE_ENVMAP ) && defined( RE_IndirectSpecular )\n\tradiance += getLightProbeIndirectRadiance( geometry.viewDir, geometry.normal, material.specularRoughness, maxMipLevel );\n\t#ifdef CLEARCOAT\n\t\tclearcoatRadiance += getLightProbeIndirectRadiance( geometry.viewDir, geometry.clearcoatNormal, material.clearcoatRoughness, maxMipLevel );\n\t#endif\n#endif";var lights_fragment_end="#if defined( RE_IndirectDiffuse )\n\tRE_IndirectDiffuse( irradiance, geometry, material, reflectedLight );\n#endif\n#if defined( RE_IndirectSpecular )\n\tRE_IndirectSpecular( radiance, iblIrradiance, clearcoatRadiance, geometry, material, reflectedLight );\n#endif";var logdepthbuf_fragment="#if defined( USE_LOGDEPTHBUF ) && defined( USE_LOGDEPTHBUF_EXT )\n\tgl_FragDepthEXT = vIsPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;\n#endif";var logdepthbuf_pars_fragment="#if defined( USE_LOGDEPTHBUF ) && defined( USE_LOGDEPTHBUF_EXT )\n\tuniform float logDepthBufFC;\n\tvarying float vFragDepth;\n\tvarying float vIsPerspective;\n#endif";var logdepthbuf_pars_vertex="#ifdef USE_LOGDEPTHBUF\n\t#ifdef USE_LOGDEPTHBUF_EXT\n\t\tvarying float vFragDepth;\n\t\tvarying float vIsPerspective;\n\t#else\n\t\tuniform float logDepthBufFC;\n\t#endif\n#endif";var logdepthbuf_vertex="#ifdef USE_LOGDEPTHBUF\n\t#ifdef USE_LOGDEPTHBUF_EXT\n\t\tvFragDepth = 1.0 + gl_Position.w;\n\t\tvIsPerspective = float( isPerspectiveMatrix( projectionMatrix ) );\n\t#else\n\t\tif ( isPerspectiveMatrix( projectionMatrix ) ) {\n\t\t\tgl_Position.z = log2( max( EPSILON, gl_Position.w + 1.0 ) ) * logDepthBufFC - 1.0;\n\t\t\tgl_Position.z *= gl_Position.w;\n\t\t}\n\t#endif\n#endif";var map_fragment="#ifdef USE_MAP\n\tvec4 texelColor = texture2D( map, vUv );\n\ttexelColor = mapTexelToLinear( texelColor );\n\tdiffuseColor *= texelColor;\n#endif";var map_pars_fragment="#ifdef USE_MAP\n\tuniform sampler2D map;\n#endif";var map_particle_fragment="#if defined( USE_MAP ) || defined( USE_ALPHAMAP )\n\tvec2 uv = ( uvTransform * vec3( gl_PointCoord.x, 1.0 - gl_PointCoord.y, 1 ) ).xy;\n#endif\n#ifdef USE_MAP\n\tvec4 mapTexel = texture2D( map, uv );\n\tdiffuseColor *= mapTexelToLinear( mapTexel );\n#endif\n#ifdef USE_ALPHAMAP\n\tdiffuseColor.a *= texture2D( alphaMap, uv ).g;\n#endif";var map_particle_pars_fragment="#if defined( USE_MAP ) || defined( USE_ALPHAMAP )\n\tuniform mat3 uvTransform;\n#endif\n#ifdef USE_MAP\n\tuniform sampler2D map;\n#endif\n#ifdef USE_ALPHAMAP\n\tuniform sampler2D alphaMap;\n#endif";var metalnessmap_fragment="float metalnessFactor = metalness;\n#ifdef USE_METALNESSMAP\n\tvec4 texelMetalness = texture2D( metalnessMap, vUv );\n\tmetalnessFactor *= texelMetalness.b;\n#endif";var metalnessmap_pars_fragment="#ifdef USE_METALNESSMAP\n\tuniform sampler2D metalnessMap;\n#endif";var morphnormal_vertex="#ifdef USE_MORPHNORMALS\n\tobjectNormal += ( morphNormal0 - normal ) * morphTargetInfluences[ 0 ];\n\tobjectNormal += ( morphNormal1 - normal ) * morphTargetInfluences[ 1 ];\n\tobjectNormal += ( morphNormal2 - normal ) * morphTargetInfluences[ 2 ];\n\tobjectNormal += ( morphNormal3 - normal ) * morphTargetInfluences[ 3 ];\n#endif";var morphtarget_pars_vertex="#ifdef USE_MORPHTARGETS\n\t#ifndef USE_MORPHNORMALS\n\tuniform float morphTargetInfluences[ 8 ];\n\t#else\n\tuniform float morphTargetInfluences[ 4 ];\n\t#endif\n#endif";var morphtarget_vertex="#ifdef USE_MORPHTARGETS\n\ttransformed += ( morphTarget0 - position ) * morphTargetInfluences[ 0 ];\n\ttransformed += ( morphTarget1 - position ) * morphTargetInfluences[ 1 ];\n\ttransformed += ( morphTarget2 - position ) * morphTargetInfluences[ 2 ];\n\ttransformed += ( morphTarget3 - position ) * morphTargetInfluences[ 3 ];\n\t#ifndef USE_MORPHNORMALS\n\ttransformed += ( morphTarget4 - position ) * morphTargetInfluences[ 4 ];\n\ttransformed += ( morphTarget5 - position ) * morphTargetInfluences[ 5 ];\n\ttransformed += ( morphTarget6 - position ) * morphTargetInfluences[ 6 ];\n\ttransformed += ( morphTarget7 - position ) * morphTargetInfluences[ 7 ];\n\t#endif\n#endif";var normal_fragment_begin="#ifdef FLAT_SHADED\n\tvec3 fdx = vec3( dFdx( vViewPosition.x ), dFdx( vViewPosition.y ), dFdx( vViewPosition.z ) );\n\tvec3 fdy = vec3( dFdy( vViewPosition.x ), dFdy( vViewPosition.y ), dFdy( vViewPosition.z ) );\n\tvec3 normal = normalize( cross( fdx, fdy ) );\n#else\n\tvec3 normal = normalize( vNormal );\n\t#ifdef DOUBLE_SIDED\n\t\tnormal = normal * ( float( gl_FrontFacing ) * 2.0 - 1.0 );\n\t#endif\n\t#ifdef USE_TANGENT\n\t\tvec3 tangent = normalize( vTangent );\n\t\tvec3 bitangent = normalize( vBitangent );\n\t\t#ifdef DOUBLE_SIDED\n\t\t\ttangent = tangent * ( float( gl_FrontFacing ) * 2.0 - 1.0 );\n\t\t\tbitangent = bitangent * ( float( gl_FrontFacing ) * 2.0 - 1.0 );\n\t\t#endif\n\t#endif\n#endif\nvec3 geometryNormal = normal;";var normal_fragment_maps="#ifdef OBJECTSPACE_NORMALMAP\n\tnormal = texture2D( normalMap, vUv ).xyz * 2.0 - 1.0;\n\t#ifdef FLIP_SIDED\n\t\tnormal = - normal;\n\t#endif\n\t#ifdef DOUBLE_SIDED\n\t\tnormal = normal * ( float( gl_FrontFacing ) * 2.0 - 1.0 );\n\t#endif\n\tnormal = normalize( normalMatrix * normal );\n#elif defined( TANGENTSPACE_NORMALMAP )\n\t#ifdef USE_TANGENT\n\t\tmat3 vTBN = mat3( tangent, bitangent, normal );\n\t\tvec3 mapN = texture2D( normalMap, vUv ).xyz * 2.0 - 1.0;\n\t\tmapN.xy = normalScale * mapN.xy;\n\t\tnormal = normalize( vTBN * mapN );\n\t#else\n\t\tnormal = perturbNormal2Arb( -vViewPosition, normal, normalScale, normalMap );\n\t#endif\n#elif defined( USE_BUMPMAP )\n\tnormal = perturbNormalArb( -vViewPosition, normal, dHdxy_fwd() );\n#endif";var normalmap_pars_fragment="#ifdef USE_NORMALMAP\n\tuniform sampler2D normalMap;\n\tuniform vec2 normalScale;\n#endif\n#ifdef OBJECTSPACE_NORMALMAP\n\tuniform mat3 normalMatrix;\n#endif\n#if ! defined ( USE_TANGENT ) && ( defined ( TANGENTSPACE_NORMALMAP ) || defined ( USE_CLEARCOAT_NORMALMAP ) )\n\tvec3 perturbNormal2Arb( vec3 eye_pos, vec3 surf_norm, vec2 normalScale, in sampler2D normalMap ) {\n\t\tvec3 q0 = vec3( dFdx( eye_pos.x ), dFdx( eye_pos.y ), dFdx( eye_pos.z ) );\n\t\tvec3 q1 = vec3( dFdy( eye_pos.x ), dFdy( eye_pos.y ), dFdy( eye_pos.z ) );\n\t\tvec2 st0 = dFdx( vUv.st );\n\t\tvec2 st1 = dFdy( vUv.st );\n\t\tfloat scale = sign( st1.t * st0.s - st0.t * st1.s );\n\t\tvec3 S = normalize( ( q0 * st1.t - q1 * st0.t ) * scale );\n\t\tvec3 T = normalize( ( - q0 * st1.s + q1 * st0.s ) * scale );\n\t\tvec3 N = normalize( surf_norm );\n\t\tvec3 mapN = texture2D( normalMap, vUv ).xyz * 2.0 - 1.0;\n\t\tmapN.xy *= normalScale;\n\t\t#ifdef DOUBLE_SIDED\n\t\t\tbool frontFacing = dot( cross( S, T ), N ) > 0.0;\n\t\t\tmapN.xy *= ( float( frontFacing ) * 2.0 - 1.0 );\n\t\t#else\n\t\t\tmapN.xy *= ( float( gl_FrontFacing ) * 2.0 - 1.0 );\n\t\t#endif\n\t\tmat3 tsn = mat3( S, T, N );\n\t\treturn normalize( tsn * mapN );\n\t}\n#endif";var clearcoat_normal_fragment_begin="#ifdef CLEARCOAT\n\tvec3 clearcoatNormal = geometryNormal;\n#endif";var clearcoat_normal_fragment_maps="#ifdef USE_CLEARCOAT_NORMALMAP\n\t#ifdef USE_TANGENT\n\t\tmat3 vTBN = mat3( tangent, bitangent, clearcoatNormal );\n\t\tvec3 mapN = texture2D( normalMap, vUv ).xyz * 2.0 - 1.0;\n\t\tmapN.xy = clearcoatNormalScale * mapN.xy;\n\t\tclearcoatNormal = normalize( vTBN * mapN );\n\t#else\n\t\tclearcoatNormal = perturbNormal2Arb( - vViewPosition, clearcoatNormal, clearcoatNormalScale, clearcoatNormalMap );\n\t#endif\n#endif";var clearcoat_normalmap_pars_fragment="#ifdef USE_CLEARCOAT_NORMALMAP\n\tuniform sampler2D clearcoatNormalMap;\n\tuniform vec2 clearcoatNormalScale;\n#endif";var packing="vec3 packNormalToRGB( const in vec3 normal ) {\n\treturn normalize( normal ) * 0.5 + 0.5;\n}\nvec3 unpackRGBToNormal( const in vec3 rgb ) {\n\treturn 2.0 * rgb.xyz - 1.0;\n}\nconst float PackUpscale = 256. / 255.;const float UnpackDownscale = 255. / 256.;\nconst vec3 PackFactors = vec3( 256. * 256. * 256., 256. * 256., 256. );\nconst vec4 UnpackFactors = UnpackDownscale / vec4( PackFactors, 1. );\nconst float ShiftRight8 = 1. / 256.;\nvec4 packDepthToRGBA( const in float v ) {\n\tvec4 r = vec4( fract( v * PackFactors ), v );\n\tr.yzw -= r.xyz * ShiftRight8;\treturn r * PackUpscale;\n}\nfloat unpackRGBAToDepth( const in vec4 v ) {\n\treturn dot( v, UnpackFactors );\n}\nvec4 encodeHalfRGBA ( vec2 v ) {\n\tvec4 encoded = vec4( 0.0 );\n\tconst vec2 offset = vec2( 1.0 / 255.0, 0.0 );\n\tencoded.xy = vec2( v.x, fract( v.x * 255.0 ) );\n\tencoded.xy = encoded.xy - ( encoded.yy * offset );\n\tencoded.zw = vec2( v.y, fract( v.y * 255.0 ) );\n\tencoded.zw = encoded.zw - ( encoded.ww * offset );\n\treturn encoded;\n}\nvec2 decodeHalfRGBA( vec4 v ) {\n\treturn vec2( v.x + ( v.y / 255.0 ), v.z + ( v.w / 255.0 ) );\n}\nfloat viewZToOrthographicDepth( const in float viewZ, const in float near, const in float far ) {\n\treturn ( viewZ + near ) / ( near - far );\n}\nfloat orthographicDepthToViewZ( const in float linearClipZ, const in float near, const in float far ) {\n\treturn linearClipZ * ( near - far ) - near;\n}\nfloat viewZToPerspectiveDepth( const in float viewZ, const in float near, const in float far ) {\n\treturn (( near + viewZ ) * far ) / (( far - near ) * viewZ );\n}\nfloat perspectiveDepthToViewZ( const in float invClipZ, const in float near, const in float far ) {\n\treturn ( near * far ) / ( ( far - near ) * invClipZ - far );\n}";var premultiplied_alpha_fragment="#ifdef PREMULTIPLIED_ALPHA\n\tgl_FragColor.rgb *= gl_FragColor.a;\n#endif";var project_vertex="vec4 mvPosition = vec4( transformed, 1.0 );\n#ifdef USE_INSTANCING\n\tmvPosition = instanceMatrix * mvPosition;\n#endif\nmvPosition = modelViewMatrix * mvPosition;\ngl_Position = projectionMatrix * mvPosition;";var dithering_fragment="#ifdef DITHERING\n\tgl_FragColor.rgb = dithering( gl_FragColor.rgb );\n#endif";var dithering_pars_fragment="#ifdef DITHERING\n\tvec3 dithering( vec3 color ) {\n\t\tfloat grid_position = rand( gl_FragCoord.xy );\n\t\tvec3 dither_shift_RGB = vec3( 0.25 / 255.0, -0.25 / 255.0, 0.25 / 255.0 );\n\t\tdither_shift_RGB = mix( 2.0 * dither_shift_RGB, -2.0 * dither_shift_RGB, grid_position );\n\t\treturn color + dither_shift_RGB;\n\t}\n#endif";var roughnessmap_fragment="float roughnessFactor = roughness;\n#ifdef USE_ROUGHNESSMAP\n\tvec4 texelRoughness = texture2D( roughnessMap, vUv );\n\troughnessFactor *= texelRoughness.g;\n#endif";var roughnessmap_pars_fragment="#ifdef USE_ROUGHNESSMAP\n\tuniform sampler2D roughnessMap;\n#endif";var shadowmap_pars_fragment="#ifdef USE_SHADOWMAP\n\t#if NUM_DIR_LIGHT_SHADOWS > 0\n\t\tuniform sampler2D directionalShadowMap[ NUM_DIR_LIGHT_SHADOWS ];\n\t\tvarying vec4 vDirectionalShadowCoord[ NUM_DIR_LIGHT_SHADOWS ];\n\t#endif\n\t#if NUM_SPOT_LIGHT_SHADOWS > 0\n\t\tuniform sampler2D spotShadowMap[ NUM_SPOT_LIGHT_SHADOWS ];\n\t\tvarying vec4 vSpotShadowCoord[ NUM_SPOT_LIGHT_SHADOWS ];\n\t#endif\n\t#if NUM_POINT_LIGHT_SHADOWS > 0\n\t\tuniform sampler2D pointShadowMap[ NUM_POINT_LIGHT_SHADOWS ];\n\t\tvarying vec4 vPointShadowCoord[ NUM_POINT_LIGHT_SHADOWS ];\n\t#endif\n\tfloat texture2DCompare( sampler2D depths, vec2 uv, float compare ) {\n\t\treturn step( compare, unpackRGBAToDepth( texture2D( depths, uv ) ) );\n\t}\n\tvec2 texture2DDistribution( sampler2D shadow, vec2 uv ) {\n\t\treturn decodeHalfRGBA( texture2D( shadow, uv ) );\n\t}\n\tfloat VSMShadow (sampler2D shadow, vec2 uv, float compare ){\n\t\tfloat occlusion = 1.0;\n\t\tvec2 distribution = texture2DDistribution( shadow, uv );\n\t\tfloat hard_shadow = step( compare , distribution.x );\n\t\tif (hard_shadow != 1.0 ) {\n\t\t\tfloat distance = compare - distribution.x ;\n\t\t\tfloat variance = max( 0.00000, distribution.y * distribution.y );\n\t\t\tfloat softness_probability = variance / (variance + distance * distance );\t\t\tsoftness_probability = clamp( ( softness_probability - 0.3 ) / ( 0.95 - 0.3 ), 0.0, 1.0 );\t\t\tocclusion = clamp( max( hard_shadow, softness_probability ), 0.0, 1.0 );\n\t\t}\n\t\treturn occlusion;\n\t}\n\tfloat texture2DShadowLerp( sampler2D depths, vec2 size, vec2 uv, float compare ) {\n\t\tconst vec2 offset = vec2( 0.0, 1.0 );\n\t\tvec2 texelSize = vec2( 1.0 ) / size;\n\t\tvec2 centroidUV = ( floor( uv * size - 0.5 ) + 0.5 ) * texelSize;\n\t\tfloat lb = texture2DCompare( depths, centroidUV + texelSize * offset.xx, compare );\n\t\tfloat lt = texture2DCompare( depths, centroidUV + texelSize * offset.xy, compare );\n\t\tfloat rb = texture2DCompare( depths, centroidUV + texelSize * offset.yx, compare );\n\t\tfloat rt = texture2DCompare( depths, centroidUV + texelSize * offset.yy, compare );\n\t\tvec2 f = fract( uv * size + 0.5 );\n\t\tfloat a = mix( lb, lt, f.y );\n\t\tfloat b = mix( rb, rt, f.y );\n\t\tfloat c = mix( a, b, f.x );\n\t\treturn c;\n\t}\n\tfloat getShadow( sampler2D shadowMap, vec2 shadowMapSize, float shadowBias, float shadowRadius, vec4 shadowCoord ) {\n\t\tfloat shadow = 1.0;\n\t\tshadowCoord.xyz /= shadowCoord.w;\n\t\tshadowCoord.z += shadowBias;\n\t\tbvec4 inFrustumVec = bvec4 ( shadowCoord.x >= 0.0, shadowCoord.x <= 1.0, shadowCoord.y >= 0.0, shadowCoord.y <= 1.0 );\n\t\tbool inFrustum = all( inFrustumVec );\n\t\tbvec2 frustumTestVec = bvec2( inFrustum, shadowCoord.z <= 1.0 );\n\t\tbool frustumTest = all( frustumTestVec );\n\t\tif ( frustumTest ) {\n\t\t#if defined( SHADOWMAP_TYPE_PCF )\n\t\t\tvec2 texelSize = vec2( 1.0 ) / shadowMapSize;\n\t\t\tfloat dx0 = - texelSize.x * shadowRadius;\n\t\t\tfloat dy0 = - texelSize.y * shadowRadius;\n\t\t\tfloat dx1 = + texelSize.x * shadowRadius;\n\t\t\tfloat dy1 = + texelSize.y * shadowRadius;\n\t\t\tfloat dx2 = dx0 / 2.0;\n\t\t\tfloat dy2 = dy0 / 2.0;\n\t\t\tfloat dx3 = dx1 / 2.0;\n\t\t\tfloat dy3 = dy1 / 2.0;\n\t\t\tshadow = (\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx0, dy0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( 0.0, dy0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx1, dy0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx2, dy2 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( 0.0, dy2 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx3, dy2 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx0, 0.0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx2, 0.0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy, shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx3, 0.0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx1, 0.0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx2, dy3 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( 0.0, dy3 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx3, dy3 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx0, dy1 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( 0.0, dy1 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx1, dy1 ), shadowCoord.z )\n\t\t\t) * ( 1.0 / 17.0 );\n\t\t#elif defined( SHADOWMAP_TYPE_PCF_SOFT )\n\t\t\tvec2 texelSize = vec2( 1.0 ) / shadowMapSize;\n\t\t\tfloat dx0 = - texelSize.x * shadowRadius;\n\t\t\tfloat dy0 = - texelSize.y * shadowRadius;\n\t\t\tfloat dx1 = + texelSize.x * shadowRadius;\n\t\t\tfloat dy1 = + texelSize.y * shadowRadius;\n\t\t\tshadow = (\n\t\t\t\ttexture2DShadowLerp( shadowMap, shadowMapSize, shadowCoord.xy + vec2( dx0, dy0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DShadowLerp( shadowMap, shadowMapSize, shadowCoord.xy + vec2( 0.0, dy0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DShadowLerp( shadowMap, shadowMapSize, shadowCoord.xy + vec2( dx1, dy0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DShadowLerp( shadowMap, shadowMapSize, shadowCoord.xy + vec2( dx0, 0.0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DShadowLerp( shadowMap, shadowMapSize, shadowCoord.xy, shadowCoord.z ) +\n\t\t\t\ttexture2DShadowLerp( shadowMap, shadowMapSize, shadowCoord.xy + vec2( dx1, 0.0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DShadowLerp( shadowMap, shadowMapSize, shadowCoord.xy + vec2( dx0, dy1 ), shadowCoord.z ) +\n\t\t\t\ttexture2DShadowLerp( shadowMap, shadowMapSize, shadowCoord.xy + vec2( 0.0, dy1 ), shadowCoord.z ) +\n\t\t\t\ttexture2DShadowLerp( shadowMap, shadowMapSize, shadowCoord.xy + vec2( dx1, dy1 ), shadowCoord.z )\n\t\t\t) * ( 1.0 / 9.0 );\n\t\t#elif defined( SHADOWMAP_TYPE_VSM )\n\t\t\tshadow = VSMShadow( shadowMap, shadowCoord.xy, shadowCoord.z );\n\t\t#else\n\t\t\tshadow = texture2DCompare( shadowMap, shadowCoord.xy, shadowCoord.z );\n\t\t#endif\n\t\t}\n\t\treturn shadow;\n\t}\n\tvec2 cubeToUV( vec3 v, float texelSizeY ) {\n\t\tvec3 absV = abs( v );\n\t\tfloat scaleToCube = 1.0 / max( absV.x, max( absV.y, absV.z ) );\n\t\tabsV *= scaleToCube;\n\t\tv *= scaleToCube * ( 1.0 - 2.0 * texelSizeY );\n\t\tvec2 planar = v.xy;\n\t\tfloat almostATexel = 1.5 * texelSizeY;\n\t\tfloat almostOne = 1.0 - almostATexel;\n\t\tif ( absV.z >= almostOne ) {\n\t\t\tif ( v.z > 0.0 )\n\t\t\t\tplanar.x = 4.0 - v.x;\n\t\t} else if ( absV.x >= almostOne ) {\n\t\t\tfloat signX = sign( v.x );\n\t\t\tplanar.x = v.z * signX + 2.0 * signX;\n\t\t} else if ( absV.y >= almostOne ) {\n\t\t\tfloat signY = sign( v.y );\n\t\t\tplanar.x = v.x + 2.0 * signY + 2.0;\n\t\t\tplanar.y = v.z * signY - 2.0;\n\t\t}\n\t\treturn vec2( 0.125, 0.25 ) * planar + vec2( 0.375, 0.75 );\n\t}\n\tfloat getPointShadow( sampler2D shadowMap, vec2 shadowMapSize, float shadowBias, float shadowRadius, vec4 shadowCoord, float shadowCameraNear, float shadowCameraFar ) {\n\t\tvec2 texelSize = vec2( 1.0 ) / ( shadowMapSize * vec2( 4.0, 2.0 ) );\n\t\tvec3 lightToPosition = shadowCoord.xyz;\n\t\tfloat dp = ( length( lightToPosition ) - shadowCameraNear ) / ( shadowCameraFar - shadowCameraNear );\t\tdp += shadowBias;\n\t\tvec3 bd3D = normalize( lightToPosition );\n\t\t#if defined( SHADOWMAP_TYPE_PCF ) || defined( SHADOWMAP_TYPE_PCF_SOFT ) || defined( SHADOWMAP_TYPE_VSM )\n\t\t\tvec2 offset = vec2( - 1, 1 ) * shadowRadius * texelSize.y;\n\t\t\treturn (\n\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.xyy, texelSize.y ), dp ) +\n\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.yyy, texelSize.y ), dp ) +\n\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.xyx, texelSize.y ), dp ) +\n\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.yyx, texelSize.y ), dp ) +\n\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D, texelSize.y ), dp ) +\n\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.xxy, texelSize.y ), dp ) +\n\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.yxy, texelSize.y ), dp ) +\n\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.xxx, texelSize.y ), dp ) +\n\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.yxx, texelSize.y ), dp )\n\t\t\t) * ( 1.0 / 9.0 );\n\t\t#else\n\t\t\treturn texture2DCompare( shadowMap, cubeToUV( bd3D, texelSize.y ), dp );\n\t\t#endif\n\t}\n#endif";var shadowmap_pars_vertex="#ifdef USE_SHADOWMAP\n\t#if NUM_DIR_LIGHT_SHADOWS > 0\n\t\tuniform mat4 directionalShadowMatrix[ NUM_DIR_LIGHT_SHADOWS ];\n\t\tvarying vec4 vDirectionalShadowCoord[ NUM_DIR_LIGHT_SHADOWS ];\n\t#endif\n\t#if NUM_SPOT_LIGHT_SHADOWS > 0\n\t\tuniform mat4 spotShadowMatrix[ NUM_SPOT_LIGHT_SHADOWS ];\n\t\tvarying vec4 vSpotShadowCoord[ NUM_SPOT_LIGHT_SHADOWS ];\n\t#endif\n\t#if NUM_POINT_LIGHT_SHADOWS > 0\n\t\tuniform mat4 pointShadowMatrix[ NUM_POINT_LIGHT_SHADOWS ];\n\t\tvarying vec4 vPointShadowCoord[ NUM_POINT_LIGHT_SHADOWS ];\n\t#endif\n#endif";var shadowmap_vertex="#ifdef USE_SHADOWMAP\n\t#if NUM_DIR_LIGHT_SHADOWS > 0\n\t#pragma unroll_loop\n\tfor ( int i = 0; i < NUM_DIR_LIGHT_SHADOWS; i ++ ) {\n\t\tvDirectionalShadowCoord[ i ] = directionalShadowMatrix[ i ] * worldPosition;\n\t}\n\t#endif\n\t#if NUM_SPOT_LIGHT_SHADOWS > 0\n\t#pragma unroll_loop\n\tfor ( int i = 0; i < NUM_SPOT_LIGHT_SHADOWS; i ++ ) {\n\t\tvSpotShadowCoord[ i ] = spotShadowMatrix[ i ] * worldPosition;\n\t}\n\t#endif\n\t#if NUM_POINT_LIGHT_SHADOWS > 0\n\t#pragma unroll_loop\n\tfor ( int i = 0; i < NUM_POINT_LIGHT_SHADOWS; i ++ ) {\n\t\tvPointShadowCoord[ i ] = pointShadowMatrix[ i ] * worldPosition;\n\t}\n\t#endif\n#endif";var shadowmask_pars_fragment="float getShadowMask() {\n\tfloat shadow = 1.0;\n\t#ifdef USE_SHADOWMAP\n\t#if NUM_DIR_LIGHT_SHADOWS > 0\n\tDirectionalLight directionalLight;\n\t#pragma unroll_loop\n\tfor ( int i = 0; i < NUM_DIR_LIGHT_SHADOWS; i ++ ) {\n\t\tdirectionalLight = directionalLights[ i ];\n\t\tshadow *= all( bvec2( directionalLight.shadow, receiveShadow ) ) ? getShadow( directionalShadowMap[ i ], directionalLight.shadowMapSize, directionalLight.shadowBias, directionalLight.shadowRadius, vDirectionalShadowCoord[ i ] ) : 1.0;\n\t}\n\t#endif\n\t#if NUM_SPOT_LIGHT_SHADOWS > 0\n\tSpotLight spotLight;\n\t#pragma unroll_loop\n\tfor ( int i = 0; i < NUM_SPOT_LIGHT_SHADOWS; i ++ ) {\n\t\tspotLight = spotLights[ i ];\n\t\tshadow *= all( bvec2( spotLight.shadow, receiveShadow ) ) ? getShadow( spotShadowMap[ i ], spotLight.shadowMapSize, spotLight.shadowBias, spotLight.shadowRadius, vSpotShadowCoord[ i ] ) : 1.0;\n\t}\n\t#endif\n\t#if NUM_POINT_LIGHT_SHADOWS > 0\n\tPointLight pointLight;\n\t#pragma unroll_loop\n\tfor ( int i = 0; i < NUM_POINT_LIGHT_SHADOWS; i ++ ) {\n\t\tpointLight = pointLights[ i ];\n\t\tshadow *= all( bvec2( pointLight.shadow, receiveShadow ) ) ? getPointShadow( pointShadowMap[ i ], pointLight.shadowMapSize, pointLight.shadowBias, pointLight.shadowRadius, vPointShadowCoord[ i ], pointLight.shadowCameraNear, pointLight.shadowCameraFar ) : 1.0;\n\t}\n\t#endif\n\t#endif\n\treturn shadow;\n}";var skinbase_vertex="#ifdef USE_SKINNING\n\tmat4 boneMatX = getBoneMatrix( skinIndex.x );\n\tmat4 boneMatY = getBoneMatrix( skinIndex.y );\n\tmat4 boneMatZ = getBoneMatrix( skinIndex.z );\n\tmat4 boneMatW = getBoneMatrix( skinIndex.w );\n#endif";var skinning_pars_vertex="#ifdef USE_SKINNING\n\tuniform mat4 bindMatrix;\n\tuniform mat4 bindMatrixInverse;\n\t#ifdef BONE_TEXTURE\n\t\tuniform highp sampler2D boneTexture;\n\t\tuniform int boneTextureSize;\n\t\tmat4 getBoneMatrix( const in float i ) {\n\t\t\tfloat j = i * 4.0;\n\t\t\tfloat x = mod( j, float( boneTextureSize ) );\n\t\t\tfloat y = floor( j / float( boneTextureSize ) );\n\t\t\tfloat dx = 1.0 / float( boneTextureSize );\n\t\t\tfloat dy = 1.0 / float( boneTextureSize );\n\t\t\ty = dy * ( y + 0.5 );\n\t\t\tvec4 v1 = texture2D( boneTexture, vec2( dx * ( x + 0.5 ), y ) );\n\t\t\tvec4 v2 = texture2D( boneTexture, vec2( dx * ( x + 1.5 ), y ) );\n\t\t\tvec4 v3 = texture2D( boneTexture, vec2( dx * ( x + 2.5 ), y ) );\n\t\t\tvec4 v4 = texture2D( boneTexture, vec2( dx * ( x + 3.5 ), y ) );\n\t\t\tmat4 bone = mat4( v1, v2, v3, v4 );\n\t\t\treturn bone;\n\t\t}\n\t#else\n\t\tuniform mat4 boneMatrices[ MAX_BONES ];\n\t\tmat4 getBoneMatrix( const in float i ) {\n\t\t\tmat4 bone = boneMatrices[ int(i) ];\n\t\t\treturn bone;\n\t\t}\n\t#endif\n#endif";var skinning_vertex="#ifdef USE_SKINNING\n\tvec4 skinVertex = bindMatrix * vec4( transformed, 1.0 );\n\tvec4 skinned = vec4( 0.0 );\n\tskinned += boneMatX * skinVertex * skinWeight.x;\n\tskinned += boneMatY * skinVertex * skinWeight.y;\n\tskinned += boneMatZ * skinVertex * skinWeight.z;\n\tskinned += boneMatW * skinVertex * skinWeight.w;\n\ttransformed = ( bindMatrixInverse * skinned ).xyz;\n#endif";var skinnormal_vertex="#ifdef USE_SKINNING\n\tmat4 skinMatrix = mat4( 0.0 );\n\tskinMatrix += skinWeight.x * boneMatX;\n\tskinMatrix += skinWeight.y * boneMatY;\n\tskinMatrix += skinWeight.z * boneMatZ;\n\tskinMatrix += skinWeight.w * boneMatW;\n\tskinMatrix = bindMatrixInverse * skinMatrix * bindMatrix;\n\tobjectNormal = vec4( skinMatrix * vec4( objectNormal, 0.0 ) ).xyz;\n\t#ifdef USE_TANGENT\n\t\tobjectTangent = vec4( skinMatrix * vec4( objectTangent, 0.0 ) ).xyz;\n\t#endif\n#endif";var specularmap_fragment="float specularStrength;\n#ifdef USE_SPECULARMAP\n\tvec4 texelSpecular = texture2D( specularMap, vUv );\n\tspecularStrength = texelSpecular.r;\n#else\n\tspecularStrength = 1.0;\n#endif";var specularmap_pars_fragment="#ifdef USE_SPECULARMAP\n\tuniform sampler2D specularMap;\n#endif";var tonemapping_fragment="#if defined( TONE_MAPPING )\n\tgl_FragColor.rgb = toneMapping( gl_FragColor.rgb );\n#endif";var tonemapping_pars_fragment="#ifndef saturate\n#define saturate(a) clamp( a, 0.0, 1.0 )\n#endif\nuniform float toneMappingExposure;\nuniform float toneMappingWhitePoint;\nvec3 LinearToneMapping( vec3 color ) {\n\treturn toneMappingExposure * color;\n}\nvec3 ReinhardToneMapping( vec3 color ) {\n\tcolor *= toneMappingExposure;\n\treturn saturate( color / ( vec3( 1.0 ) + color ) );\n}\n#define Uncharted2Helper( x ) max( ( ( x * ( 0.15 * x + 0.10 * 0.50 ) + 0.20 * 0.02 ) / ( x * ( 0.15 * x + 0.50 ) + 0.20 * 0.30 ) ) - 0.02 / 0.30, vec3( 0.0 ) )\nvec3 Uncharted2ToneMapping( vec3 color ) {\n\tcolor *= toneMappingExposure;\n\treturn saturate( Uncharted2Helper( color ) / Uncharted2Helper( vec3( toneMappingWhitePoint ) ) );\n}\nvec3 OptimizedCineonToneMapping( vec3 color ) {\n\tcolor *= toneMappingExposure;\n\tcolor = max( vec3( 0.0 ), color - 0.004 );\n\treturn pow( ( color * ( 6.2 * color + 0.5 ) ) / ( color * ( 6.2 * color + 1.7 ) + 0.06 ), vec3( 2.2 ) );\n}\nvec3 ACESFilmicToneMapping( vec3 color ) {\n\tcolor *= toneMappingExposure;\n\treturn saturate( ( color * ( 2.51 * color + 0.03 ) ) / ( color * ( 2.43 * color + 0.59 ) + 0.14 ) );\n}";var uv_pars_fragment="#if ( defined( USE_UV ) && ! defined( UVS_VERTEX_ONLY ) )\n\tvarying vec2 vUv;\n#endif";var uv_pars_vertex="#ifdef USE_UV\n\t#ifdef UVS_VERTEX_ONLY\n\t\tvec2 vUv;\n\t#else\n\t\tvarying vec2 vUv;\n\t#endif\n\tuniform mat3 uvTransform;\n#endif";var uv_vertex="#ifdef USE_UV\n\tvUv = ( uvTransform * vec3( uv, 1 ) ).xy;\n#endif";var uv2_pars_fragment="#if defined( USE_LIGHTMAP ) || defined( USE_AOMAP )\n\tvarying vec2 vUv2;\n#endif";var uv2_pars_vertex="#if defined( USE_LIGHTMAP ) || defined( USE_AOMAP )\n\tattribute vec2 uv2;\n\tvarying vec2 vUv2;\n#endif";var uv2_vertex="#if defined( USE_LIGHTMAP ) || defined( USE_AOMAP )\n\tvUv2 = uv2;\n#endif";var worldpos_vertex="#if defined( USE_ENVMAP ) || defined( DISTANCE ) || defined ( USE_SHADOWMAP )\n\tvec4 worldPosition = vec4( transformed, 1.0 );\n\t#ifdef USE_INSTANCING\n\t\tworldPosition = instanceMatrix * worldPosition;\n\t#endif\n\tworldPosition = modelMatrix * worldPosition;\n#endif";var background_frag="uniform sampler2D t2D;\nvarying vec2 vUv;\nvoid main() {\n\tvec4 texColor = texture2D( t2D, vUv );\n\tgl_FragColor = mapTexelToLinear( texColor );\n\t#include \n\t#include \n}";var background_vert="varying vec2 vUv;\nuniform mat3 uvTransform;\nvoid main() {\n\tvUv = ( uvTransform * vec3( uv, 1 ) ).xy;\n\tgl_Position = vec4( position.xy, 1.0, 1.0 );\n}";var cube_frag="uniform samplerCube tCube;\nuniform float tFlip;\nuniform float opacity;\nvarying vec3 vWorldDirection;\nvoid main() {\n\tvec4 texColor = textureCube( tCube, vec3( tFlip * vWorldDirection.x, vWorldDirection.yz ) );\n\tgl_FragColor = mapTexelToLinear( texColor );\n\tgl_FragColor.a *= opacity;\n\t#include \n\t#include \n}";var cube_vert="varying vec3 vWorldDirection;\n#include \nvoid main() {\n\tvWorldDirection = transformDirection( position, modelMatrix );\n\t#include \n\t#include \n\tgl_Position.z = gl_Position.w;\n}";var depth_frag="#if DEPTH_PACKING == 3200\n\tuniform float opacity;\n#endif\n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\t#include \n\tvec4 diffuseColor = vec4( 1.0 );\n\t#if DEPTH_PACKING == 3200\n\t\tdiffuseColor.a = opacity;\n\t#endif\n\t#include \n\t#include \n\t#include \n\t#include \n\t#if DEPTH_PACKING == 3200\n\t\tgl_FragColor = vec4( vec3( 1.0 - gl_FragCoord.z ), opacity );\n\t#elif DEPTH_PACKING == 3201\n\t\tgl_FragColor = packDepthToRGBA( gl_FragCoord.z );\n\t#endif\n}";var depth_vert="#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\t#include \n\t#include \n\t#ifdef USE_DISPLACEMENTMAP\n\t\t#include \n\t\t#include \n\t\t#include \n\t#endif\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n}";var distanceRGBA_frag="#define DISTANCE\nuniform vec3 referencePosition;\nuniform float nearDistance;\nuniform float farDistance;\nvarying vec3 vWorldPosition;\n#include \n#include \n#include \n#include \n#include \n#include \nvoid main () {\n\t#include \n\tvec4 diffuseColor = vec4( 1.0 );\n\t#include \n\t#include \n\t#include \n\tfloat dist = length( vWorldPosition - referencePosition );\n\tdist = ( dist - nearDistance ) / ( farDistance - nearDistance );\n\tdist = saturate( dist );\n\tgl_FragColor = packDepthToRGBA( dist );\n}";var distanceRGBA_vert="#define DISTANCE\nvarying vec3 vWorldPosition;\n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\t#include \n\t#include \n\t#ifdef USE_DISPLACEMENTMAP\n\t\t#include \n\t\t#include \n\t\t#include \n\t#endif\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\tvWorldPosition = worldPosition.xyz;\n}";var equirect_frag="uniform sampler2D tEquirect;\nvarying vec3 vWorldDirection;\n#include \nvoid main() {\n\tvec3 direction = normalize( vWorldDirection );\n\tvec2 sampleUV;\n\tsampleUV.y = asin( clamp( direction.y, - 1.0, 1.0 ) ) * RECIPROCAL_PI + 0.5;\n\tsampleUV.x = atan( direction.z, direction.x ) * RECIPROCAL_PI2 + 0.5;\n\tvec4 texColor = texture2D( tEquirect, sampleUV );\n\tgl_FragColor = mapTexelToLinear( texColor );\n\t#include \n\t#include \n}";var equirect_vert="varying vec3 vWorldDirection;\n#include \nvoid main() {\n\tvWorldDirection = transformDirection( position, modelMatrix );\n\t#include \n\t#include \n}";var linedashed_frag="uniform vec3 diffuse;\nuniform float opacity;\nuniform float dashSize;\nuniform float totalSize;\nvarying float vLineDistance;\n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\t#include \n\tif ( mod( vLineDistance, totalSize ) > dashSize ) {\n\t\tdiscard;\n\t}\n\tvec3 outgoingLight = vec3( 0.0 );\n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\t#include \n\t#include \n\toutgoingLight = diffuseColor.rgb;\n\tgl_FragColor = vec4( outgoingLight, diffuseColor.a );\n\t#include \n\t#include \n\t#include \n\t#include \n}";var linedashed_vert="uniform float scale;\nattribute float lineDistance;\nvarying float vLineDistance;\n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\t#include \n\tvLineDistance = scale * lineDistance;\n\tvec4 mvPosition = modelViewMatrix * vec4( position, 1.0 );\n\tgl_Position = projectionMatrix * mvPosition;\n\t#include \n\t#include \n\t#include \n}";var meshbasic_frag="uniform vec3 diffuse;\nuniform float opacity;\n#ifndef FLAT_SHADED\n\tvarying vec3 vNormal;\n#endif\n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\t#include \n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\tReflectedLight reflectedLight = ReflectedLight( vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ) );\n\t#ifdef USE_LIGHTMAP\n\t\treflectedLight.indirectDiffuse += texture2D( lightMap, vUv2 ).xyz * lightMapIntensity;\n\t#else\n\t\treflectedLight.indirectDiffuse += vec3( 1.0 );\n\t#endif\n\t#include \n\treflectedLight.indirectDiffuse *= diffuseColor.rgb;\n\tvec3 outgoingLight = reflectedLight.indirectDiffuse;\n\t#include \n\tgl_FragColor = vec4( outgoingLight, diffuseColor.a );\n\t#include \n\t#include \n\t#include \n\t#include \n}";var meshbasic_vert="#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\t#include \n\t#include \n\t#include \n\t#include \n\t#ifdef USE_ENVMAP\n\t#include \n\t#include \n\t#include \n\t#include \n\t#endif\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n}";var meshlambert_frag="uniform vec3 diffuse;\nuniform vec3 emissive;\nuniform float opacity;\nvarying vec3 vLightFront;\nvarying vec3 vIndirectFront;\n#ifdef DOUBLE_SIDED\n\tvarying vec3 vLightBack;\n\tvarying vec3 vIndirectBack;\n#endif\n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\t#include \n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\tReflectedLight reflectedLight = ReflectedLight( vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ) );\n\tvec3 totalEmissiveRadiance = emissive;\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\treflectedLight.indirectDiffuse = getAmbientLightIrradiance( ambientLightColor );\n\t#ifdef DOUBLE_SIDED\n\t\treflectedLight.indirectDiffuse += ( gl_FrontFacing ) ? vIndirectFront : vIndirectBack;\n\t#else\n\t\treflectedLight.indirectDiffuse += vIndirectFront;\n\t#endif\n\t#include \n\treflectedLight.indirectDiffuse *= BRDF_Diffuse_Lambert( diffuseColor.rgb );\n\t#ifdef DOUBLE_SIDED\n\t\treflectedLight.directDiffuse = ( gl_FrontFacing ) ? vLightFront : vLightBack;\n\t#else\n\t\treflectedLight.directDiffuse = vLightFront;\n\t#endif\n\treflectedLight.directDiffuse *= BRDF_Diffuse_Lambert( diffuseColor.rgb ) * getShadowMask();\n\t#include \n\tvec3 outgoingLight = reflectedLight.directDiffuse + reflectedLight.indirectDiffuse + totalEmissiveRadiance;\n\t#include \n\tgl_FragColor = vec4( outgoingLight, diffuseColor.a );\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n}";var meshlambert_vert="#define LAMBERT\nvarying vec3 vLightFront;\nvarying vec3 vIndirectFront;\n#ifdef DOUBLE_SIDED\n\tvarying vec3 vLightBack;\n\tvarying vec3 vIndirectBack;\n#endif\n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n}";var meshmatcap_frag="#define MATCAP\nuniform vec3 diffuse;\nuniform float opacity;\nuniform sampler2D matcap;\nvarying vec3 vViewPosition;\n#ifndef FLAT_SHADED\n\tvarying vec3 vNormal;\n#endif\n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\t#include \n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\tvec3 viewDir = normalize( vViewPosition );\n\tvec3 x = normalize( vec3( viewDir.z, 0.0, - viewDir.x ) );\n\tvec3 y = cross( viewDir, x );\n\tvec2 uv = vec2( dot( x, normal ), dot( y, normal ) ) * 0.495 + 0.5;\n\t#ifdef USE_MATCAP\n\t\tvec4 matcapColor = texture2D( matcap, uv );\n\t\tmatcapColor = matcapTexelToLinear( matcapColor );\n\t#else\n\t\tvec4 matcapColor = vec4( 1.0 );\n\t#endif\n\tvec3 outgoingLight = diffuseColor.rgb * matcapColor.rgb;\n\tgl_FragColor = vec4( outgoingLight, diffuseColor.a );\n\t#include \n\t#include \n\t#include \n\t#include \n}";var meshmatcap_vert="#define MATCAP\nvarying vec3 vViewPosition;\n#ifndef FLAT_SHADED\n\tvarying vec3 vNormal;\n#endif\n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#ifndef FLAT_SHADED\n\t\tvNormal = normalize( transformedNormal );\n\t#endif\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\tvViewPosition = - mvPosition.xyz;\n}";var meshphong_frag="#define PHONG\nuniform vec3 diffuse;\nuniform vec3 emissive;\nuniform vec3 specular;\nuniform float shininess;\nuniform float opacity;\n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\t#include \n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\tReflectedLight reflectedLight = ReflectedLight( vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ) );\n\tvec3 totalEmissiveRadiance = emissive;\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\tvec3 outgoingLight = reflectedLight.directDiffuse + reflectedLight.indirectDiffuse + reflectedLight.directSpecular + reflectedLight.indirectSpecular + totalEmissiveRadiance;\n\t#include \n\tgl_FragColor = vec4( outgoingLight, diffuseColor.a );\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n}";var meshphong_vert="#define PHONG\nvarying vec3 vViewPosition;\n#ifndef FLAT_SHADED\n\tvarying vec3 vNormal;\n#endif\n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n#ifndef FLAT_SHADED\n\tvNormal = normalize( transformedNormal );\n#endif\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\tvViewPosition = - mvPosition.xyz;\n\t#include \n\t#include \n\t#include \n\t#include \n}";var meshphysical_frag="#define STANDARD\n#ifdef PHYSICAL\n\t#define REFLECTIVITY\n\t#define CLEARCOAT\n\t#define TRANSPARENCY\n#endif\nuniform vec3 diffuse;\nuniform vec3 emissive;\nuniform float roughness;\nuniform float metalness;\nuniform float opacity;\n#ifdef TRANSPARENCY\n\tuniform float transparency;\n#endif\n#ifdef REFLECTIVITY\n\tuniform float reflectivity;\n#endif\n#ifdef CLEARCOAT\n\tuniform float clearcoat;\n\tuniform float clearcoatRoughness;\n#endif\n#ifdef USE_SHEEN\n\tuniform vec3 sheen;\n#endif\nvarying vec3 vViewPosition;\n#ifndef FLAT_SHADED\n\tvarying vec3 vNormal;\n\t#ifdef USE_TANGENT\n\t\tvarying vec3 vTangent;\n\t\tvarying vec3 vBitangent;\n\t#endif\n#endif\n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\t#include \n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\tReflectedLight reflectedLight = ReflectedLight( vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ) );\n\tvec3 totalEmissiveRadiance = emissive;\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\tvec3 outgoingLight = reflectedLight.directDiffuse + reflectedLight.indirectDiffuse + reflectedLight.directSpecular + reflectedLight.indirectSpecular + totalEmissiveRadiance;\n\t#ifdef TRANSPARENCY\n\t\tdiffuseColor.a *= saturate( 1. - transparency + linearToRelativeLuminance( reflectedLight.directSpecular + reflectedLight.indirectSpecular ) );\n\t#endif\n\tgl_FragColor = vec4( outgoingLight, diffuseColor.a );\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n}";var meshphysical_vert="#define STANDARD\nvarying vec3 vViewPosition;\n#ifndef FLAT_SHADED\n\tvarying vec3 vNormal;\n\t#ifdef USE_TANGENT\n\t\tvarying vec3 vTangent;\n\t\tvarying vec3 vBitangent;\n\t#endif\n#endif\n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n#ifndef FLAT_SHADED\n\tvNormal = normalize( transformedNormal );\n\t#ifdef USE_TANGENT\n\t\tvTangent = normalize( transformedTangent );\n\t\tvBitangent = normalize( cross( vNormal, vTangent ) * tangent.w );\n\t#endif\n#endif\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\tvViewPosition = - mvPosition.xyz;\n\t#include \n\t#include \n\t#include \n}";var normal_frag="#define NORMAL\nuniform float opacity;\n#if defined( FLAT_SHADED ) || defined( USE_BUMPMAP ) || defined( TANGENTSPACE_NORMALMAP )\n\tvarying vec3 vViewPosition;\n#endif\n#ifndef FLAT_SHADED\n\tvarying vec3 vNormal;\n\t#ifdef USE_TANGENT\n\t\tvarying vec3 vTangent;\n\t\tvarying vec3 vBitangent;\n\t#endif\n#endif\n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\t#include \n\t#include \n\t#include \n\t#include \n\tgl_FragColor = vec4( packNormalToRGB( normal ), opacity );\n}";var normal_vert="#define NORMAL\n#if defined( FLAT_SHADED ) || defined( USE_BUMPMAP ) || defined( TANGENTSPACE_NORMALMAP )\n\tvarying vec3 vViewPosition;\n#endif\n#ifndef FLAT_SHADED\n\tvarying vec3 vNormal;\n\t#ifdef USE_TANGENT\n\t\tvarying vec3 vTangent;\n\t\tvarying vec3 vBitangent;\n\t#endif\n#endif\n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n#ifndef FLAT_SHADED\n\tvNormal = normalize( transformedNormal );\n\t#ifdef USE_TANGENT\n\t\tvTangent = normalize( transformedTangent );\n\t\tvBitangent = normalize( cross( vNormal, vTangent ) * tangent.w );\n\t#endif\n#endif\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n#if defined( FLAT_SHADED ) || defined( USE_BUMPMAP ) || defined( TANGENTSPACE_NORMALMAP )\n\tvViewPosition = - mvPosition.xyz;\n#endif\n}";var points_frag="uniform vec3 diffuse;\nuniform float opacity;\n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\t#include \n\tvec3 outgoingLight = vec3( 0.0 );\n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\t#include \n\t#include \n\t#include \n\t#include \n\toutgoingLight = diffuseColor.rgb;\n\tgl_FragColor = vec4( outgoingLight, diffuseColor.a );\n\t#include \n\t#include \n\t#include \n\t#include \n}";var points_vert="uniform float size;\nuniform float scale;\n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\t#include \n\t#include \n\t#include \n\t#include \n\tgl_PointSize = size;\n\t#ifdef USE_SIZEATTENUATION\n\t\tbool isPerspective = isPerspectiveMatrix( projectionMatrix );\n\t\tif ( isPerspective ) gl_PointSize *= ( scale / - mvPosition.z );\n\t#endif\n\t#include \n\t#include \n\t#include \n\t#include \n}";var shadow_frag="uniform vec3 color;\nuniform float opacity;\n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\tgl_FragColor = vec4( color, opacity * ( 1.0 - getShadowMask() ) );\n\t#include \n}";var shadow_vert="#include \n#include \nvoid main() {\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n}";var sprite_frag="uniform vec3 diffuse;\nuniform float opacity;\n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\t#include \n\tvec3 outgoingLight = vec3( 0.0 );\n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\t#include \n\t#include \n\t#include \n\t#include \n\toutgoingLight = diffuseColor.rgb;\n\tgl_FragColor = vec4( outgoingLight, diffuseColor.a );\n\t#include \n\t#include \n\t#include \n}";var sprite_vert="uniform float rotation;\nuniform vec2 center;\n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\t#include \n\tvec4 mvPosition = modelViewMatrix * vec4( 0.0, 0.0, 0.0, 1.0 );\n\tvec2 scale;\n\tscale.x = length( vec3( modelMatrix[ 0 ].x, modelMatrix[ 0 ].y, modelMatrix[ 0 ].z ) );\n\tscale.y = length( vec3( modelMatrix[ 1 ].x, modelMatrix[ 1 ].y, modelMatrix[ 1 ].z ) );\n\t#ifndef USE_SIZEATTENUATION\n\t\tbool isPerspective = isPerspectiveMatrix( projectionMatrix );\n\t\tif ( isPerspective ) scale *= - mvPosition.z;\n\t#endif\n\tvec2 alignedPosition = ( position.xy - ( center - vec2( 0.5 ) ) ) * scale;\n\tvec2 rotatedPosition;\n\trotatedPosition.x = cos( rotation ) * alignedPosition.x - sin( rotation ) * alignedPosition.y;\n\trotatedPosition.y = sin( rotation ) * alignedPosition.x + cos( rotation ) * alignedPosition.y;\n\tmvPosition.xy += rotatedPosition;\n\tgl_Position = projectionMatrix * mvPosition;\n\t#include \n\t#include \n\t#include \n}";var ShaderChunk={alphamap_fragment:alphamap_fragment,alphamap_pars_fragment:alphamap_pars_fragment,alphatest_fragment:alphatest_fragment,aomap_fragment:aomap_fragment,aomap_pars_fragment:aomap_pars_fragment,begin_vertex:begin_vertex,beginnormal_vertex:beginnormal_vertex,bsdfs:bsdfs,bumpmap_pars_fragment:bumpmap_pars_fragment,clipping_planes_fragment:clipping_planes_fragment,clipping_planes_pars_fragment:clipping_planes_pars_fragment,clipping_planes_pars_vertex:clipping_planes_pars_vertex,clipping_planes_vertex:clipping_planes_vertex,color_fragment:color_fragment,color_pars_fragment:color_pars_fragment,color_pars_vertex:color_pars_vertex,color_vertex:color_vertex,common:common,cube_uv_reflection_fragment:cube_uv_reflection_fragment,defaultnormal_vertex:defaultnormal_vertex,displacementmap_pars_vertex:displacementmap_pars_vertex,displacementmap_vertex:displacementmap_vertex,emissivemap_fragment:emissivemap_fragment,emissivemap_pars_fragment:emissivemap_pars_fragment,encodings_fragment:encodings_fragment,encodings_pars_fragment:encodings_pars_fragment,envmap_fragment:envmap_fragment,envmap_common_pars_fragment:envmap_common_pars_fragment,envmap_pars_fragment:envmap_pars_fragment,envmap_pars_vertex:envmap_pars_vertex,envmap_physical_pars_fragment:envmap_physical_pars_fragment,envmap_vertex:envmap_vertex,fog_vertex:fog_vertex,fog_pars_vertex:fog_pars_vertex,fog_fragment:fog_fragment,fog_pars_fragment:fog_pars_fragment,gradientmap_pars_fragment:gradientmap_pars_fragment,lightmap_fragment:lightmap_fragment,lightmap_pars_fragment:lightmap_pars_fragment,lights_lambert_vertex:lights_lambert_vertex,lights_pars_begin:lights_pars_begin,lights_phong_fragment:lights_phong_fragment,lights_phong_pars_fragment:lights_phong_pars_fragment,lights_physical_fragment:lights_physical_fragment,lights_physical_pars_fragment:lights_physical_pars_fragment,lights_fragment_begin:lights_fragment_begin,lights_fragment_maps:lights_fragment_maps,lights_fragment_end:lights_fragment_end,logdepthbuf_fragment:logdepthbuf_fragment,logdepthbuf_pars_fragment:logdepthbuf_pars_fragment,logdepthbuf_pars_vertex:logdepthbuf_pars_vertex,logdepthbuf_vertex:logdepthbuf_vertex,map_fragment:map_fragment,map_pars_fragment:map_pars_fragment,map_particle_fragment:map_particle_fragment,map_particle_pars_fragment:map_particle_pars_fragment,metalnessmap_fragment:metalnessmap_fragment,metalnessmap_pars_fragment:metalnessmap_pars_fragment,morphnormal_vertex:morphnormal_vertex,morphtarget_pars_vertex:morphtarget_pars_vertex,morphtarget_vertex:morphtarget_vertex,normal_fragment_begin:normal_fragment_begin,normal_fragment_maps:normal_fragment_maps,normalmap_pars_fragment:normalmap_pars_fragment,clearcoat_normal_fragment_begin:clearcoat_normal_fragment_begin,clearcoat_normal_fragment_maps:clearcoat_normal_fragment_maps,clearcoat_normalmap_pars_fragment:clearcoat_normalmap_pars_fragment,packing:packing,premultiplied_alpha_fragment:premultiplied_alpha_fragment,project_vertex:project_vertex,dithering_fragment:dithering_fragment,dithering_pars_fragment:dithering_pars_fragment,roughnessmap_fragment:roughnessmap_fragment,roughnessmap_pars_fragment:roughnessmap_pars_fragment,shadowmap_pars_fragment:shadowmap_pars_fragment,shadowmap_pars_vertex:shadowmap_pars_vertex,shadowmap_vertex:shadowmap_vertex,shadowmask_pars_fragment:shadowmask_pars_fragment,skinbase_vertex:skinbase_vertex,skinning_pars_vertex:skinning_pars_vertex,skinning_vertex:skinning_vertex,skinnormal_vertex:skinnormal_vertex,specularmap_fragment:specularmap_fragment,specularmap_pars_fragment:specularmap_pars_fragment,tonemapping_fragment:tonemapping_fragment,tonemapping_pars_fragment:tonemapping_pars_fragment,uv_pars_fragment:uv_pars_fragment,uv_pars_vertex:uv_pars_vertex,uv_vertex:uv_vertex,uv2_pars_fragment:uv2_pars_fragment,uv2_pars_vertex:uv2_pars_vertex,uv2_vertex:uv2_vertex,worldpos_vertex:worldpos_vertex,background_frag:background_frag,background_vert:background_vert,cube_frag:cube_frag,cube_vert:cube_vert,depth_frag:depth_frag,depth_vert:depth_vert,distanceRGBA_frag:distanceRGBA_frag,distanceRGBA_vert:distanceRGBA_vert,equirect_frag:equirect_frag,equirect_vert:equirect_vert,linedashed_frag:linedashed_frag,linedashed_vert:linedashed_vert,meshbasic_frag:meshbasic_frag,meshbasic_vert:meshbasic_vert,meshlambert_frag:meshlambert_frag,meshlambert_vert:meshlambert_vert,meshmatcap_frag:meshmatcap_frag,meshmatcap_vert:meshmatcap_vert,meshphong_frag:meshphong_frag,meshphong_vert:meshphong_vert,meshphysical_frag:meshphysical_frag,meshphysical_vert:meshphysical_vert,normal_frag:normal_frag,normal_vert:normal_vert,points_frag:points_frag,points_vert:points_vert,shadow_frag:shadow_frag,shadow_vert:shadow_vert,sprite_frag:sprite_frag,sprite_vert:sprite_vert};/** + * Uniforms library for shared webgl shaders + */var UniformsLib={common:{diffuse:{value:new Color(0xeeeeee)},opacity:{value:1.0},map:{value:null},uvTransform:{value:new Matrix3()},alphaMap:{value:null}},specularmap:{specularMap:{value:null}},envmap:{envMap:{value:null},flipEnvMap:{value:-1},reflectivity:{value:1.0},refractionRatio:{value:0.98},maxMipLevel:{value:0}},aomap:{aoMap:{value:null},aoMapIntensity:{value:1}},lightmap:{lightMap:{value:null},lightMapIntensity:{value:1}},emissivemap:{emissiveMap:{value:null}},bumpmap:{bumpMap:{value:null},bumpScale:{value:1}},normalmap:{normalMap:{value:null},normalScale:{value:new Vector2(1,1)}},displacementmap:{displacementMap:{value:null},displacementScale:{value:1},displacementBias:{value:0}},roughnessmap:{roughnessMap:{value:null}},metalnessmap:{metalnessMap:{value:null}},gradientmap:{gradientMap:{value:null}},fog:{fogDensity:{value:0.00025},fogNear:{value:1},fogFar:{value:2000},fogColor:{value:new Color(0xffffff)}},lights:{ambientLightColor:{value:[]},lightProbe:{value:[]},directionalLights:{value:[],properties:{direction:{},color:{},shadow:{},shadowBias:{},shadowRadius:{},shadowMapSize:{}}},directionalShadowMap:{value:[]},directionalShadowMatrix:{value:[]},spotLights:{value:[],properties:{color:{},position:{},direction:{},distance:{},coneCos:{},penumbraCos:{},decay:{},shadow:{},shadowBias:{},shadowRadius:{},shadowMapSize:{}}},spotShadowMap:{value:[]},spotShadowMatrix:{value:[]},pointLights:{value:[],properties:{color:{},position:{},decay:{},distance:{},shadow:{},shadowBias:{},shadowRadius:{},shadowMapSize:{},shadowCameraNear:{},shadowCameraFar:{}}},pointShadowMap:{value:[]},pointShadowMatrix:{value:[]},hemisphereLights:{value:[],properties:{direction:{},skyColor:{},groundColor:{}}},// TODO (abelnation): RectAreaLight BRDF data needs to be moved from example to main src + rectAreaLights:{value:[],properties:{color:{},position:{},width:{},height:{}}}},points:{diffuse:{value:new Color(0xeeeeee)},opacity:{value:1.0},size:{value:1.0},scale:{value:1.0},map:{value:null},alphaMap:{value:null},uvTransform:{value:new Matrix3()}},sprite:{diffuse:{value:new Color(0xeeeeee)},opacity:{value:1.0},center:{value:new Vector2(0.5,0.5)},rotation:{value:0.0},map:{value:null},alphaMap:{value:null},uvTransform:{value:new Matrix3()}}};/** + * @author alteredq / http://alteredqualia.com/ * @author mrdoob / http://mrdoob.com/ - * @author kile / http://kile.stravaganza.org/ - * @author philogb / http://blog.thejit.org/ * @author mikael emtinger / http://gomo.se/ - * @author egraether / http://egraether.com/ + */var ShaderLib={basic:{uniforms:mergeUniforms([UniformsLib.common,UniformsLib.specularmap,UniformsLib.envmap,UniformsLib.aomap,UniformsLib.lightmap,UniformsLib.fog]),vertexShader:ShaderChunk.meshbasic_vert,fragmentShader:ShaderChunk.meshbasic_frag},lambert:{uniforms:mergeUniforms([UniformsLib.common,UniformsLib.specularmap,UniformsLib.envmap,UniformsLib.aomap,UniformsLib.lightmap,UniformsLib.emissivemap,UniformsLib.fog,UniformsLib.lights,{emissive:{value:new Color(0x000000)}}]),vertexShader:ShaderChunk.meshlambert_vert,fragmentShader:ShaderChunk.meshlambert_frag},phong:{uniforms:mergeUniforms([UniformsLib.common,UniformsLib.specularmap,UniformsLib.envmap,UniformsLib.aomap,UniformsLib.lightmap,UniformsLib.emissivemap,UniformsLib.bumpmap,UniformsLib.normalmap,UniformsLib.displacementmap,UniformsLib.gradientmap,UniformsLib.fog,UniformsLib.lights,{emissive:{value:new Color(0x000000)},specular:{value:new Color(0x111111)},shininess:{value:30}}]),vertexShader:ShaderChunk.meshphong_vert,fragmentShader:ShaderChunk.meshphong_frag},standard:{uniforms:mergeUniforms([UniformsLib.common,UniformsLib.envmap,UniformsLib.aomap,UniformsLib.lightmap,UniformsLib.emissivemap,UniformsLib.bumpmap,UniformsLib.normalmap,UniformsLib.displacementmap,UniformsLib.roughnessmap,UniformsLib.metalnessmap,UniformsLib.fog,UniformsLib.lights,{emissive:{value:new Color(0x000000)},roughness:{value:0.5},metalness:{value:0.5},envMapIntensity:{value:1}// temporary + }]),vertexShader:ShaderChunk.meshphysical_vert,fragmentShader:ShaderChunk.meshphysical_frag},matcap:{uniforms:mergeUniforms([UniformsLib.common,UniformsLib.bumpmap,UniformsLib.normalmap,UniformsLib.displacementmap,UniformsLib.fog,{matcap:{value:null}}]),vertexShader:ShaderChunk.meshmatcap_vert,fragmentShader:ShaderChunk.meshmatcap_frag},points:{uniforms:mergeUniforms([UniformsLib.points,UniformsLib.fog]),vertexShader:ShaderChunk.points_vert,fragmentShader:ShaderChunk.points_frag},dashed:{uniforms:mergeUniforms([UniformsLib.common,UniformsLib.fog,{scale:{value:1},dashSize:{value:1},totalSize:{value:2}}]),vertexShader:ShaderChunk.linedashed_vert,fragmentShader:ShaderChunk.linedashed_frag},depth:{uniforms:mergeUniforms([UniformsLib.common,UniformsLib.displacementmap]),vertexShader:ShaderChunk.depth_vert,fragmentShader:ShaderChunk.depth_frag},normal:{uniforms:mergeUniforms([UniformsLib.common,UniformsLib.bumpmap,UniformsLib.normalmap,UniformsLib.displacementmap,{opacity:{value:1.0}}]),vertexShader:ShaderChunk.normal_vert,fragmentShader:ShaderChunk.normal_frag},sprite:{uniforms:mergeUniforms([UniformsLib.sprite,UniformsLib.fog]),vertexShader:ShaderChunk.sprite_vert,fragmentShader:ShaderChunk.sprite_frag},background:{uniforms:{uvTransform:{value:new Matrix3()},t2D:{value:null}},vertexShader:ShaderChunk.background_vert,fragmentShader:ShaderChunk.background_frag},/* ------------------------------------------------------------------------- + // Cube map shader + ------------------------------------------------------------------------- */cube:{uniforms:{tCube:{value:null},tFlip:{value:-1},opacity:{value:1.0}},vertexShader:ShaderChunk.cube_vert,fragmentShader:ShaderChunk.cube_frag},equirect:{uniforms:{tEquirect:{value:null}},vertexShader:ShaderChunk.equirect_vert,fragmentShader:ShaderChunk.equirect_frag},distanceRGBA:{uniforms:mergeUniforms([UniformsLib.common,UniformsLib.displacementmap,{referencePosition:{value:new Vector3()},nearDistance:{value:1},farDistance:{value:1000}}]),vertexShader:ShaderChunk.distanceRGBA_vert,fragmentShader:ShaderChunk.distanceRGBA_frag},shadow:{uniforms:mergeUniforms([UniformsLib.lights,UniformsLib.fog,{color:{value:new Color(0x00000)},opacity:{value:1.0}}]),vertexShader:ShaderChunk.shadow_vert,fragmentShader:ShaderChunk.shadow_frag}};ShaderLib.physical={uniforms:mergeUniforms([ShaderLib.standard.uniforms,{transparency:{value:0},clearcoat:{value:0},clearcoatRoughness:{value:0},sheen:{value:new Color(0x000000)},clearcoatNormalScale:{value:new Vector2(1,1)},clearcoatNormalMap:{value:null}}]),vertexShader:ShaderChunk.meshphysical_vert,fragmentShader:ShaderChunk.meshphysical_frag};/** + * @author mrdoob / http://mrdoob.com/ + */function WebGLAnimation(){var context=null;var isAnimating=false;var animationLoop=null;function onAnimationFrame(time,frame){if(isAnimating===false)return;animationLoop(time,frame);context.requestAnimationFrame(onAnimationFrame);}return {start:function start(){if(isAnimating===true)return;if(animationLoop===null)return;context.requestAnimationFrame(onAnimationFrame);isAnimating=true;},stop:function stop(){isAnimating=false;},setAnimationLoop:function setAnimationLoop(callback){animationLoop=callback;},setContext:function setContext(value){context=value;}};}/** + * @author mrdoob / http://mrdoob.com/ + */function WebGLAttributes(gl){var buffers=new WeakMap();function createBuffer(attribute,bufferType){var array=attribute.array;var usage=attribute.usage;var buffer=gl.createBuffer();gl.bindBuffer(bufferType,buffer);gl.bufferData(bufferType,array,usage);attribute.onUploadCallback();var type=5126;if(array instanceof Float32Array){type=5126;}else if(array instanceof Float64Array){console.warn('THREE.WebGLAttributes: Unsupported data buffer format: Float64Array.');}else if(array instanceof Uint16Array){type=5123;}else if(array instanceof Int16Array){type=5122;}else if(array instanceof Uint32Array){type=5125;}else if(array instanceof Int32Array){type=5124;}else if(array instanceof Int8Array){type=5120;}else if(array instanceof Uint8Array){type=5121;}return {buffer:buffer,type:type,bytesPerElement:array.BYTES_PER_ELEMENT,version:attribute.version};}function updateBuffer(buffer,attribute,bufferType){var array=attribute.array;var updateRange=attribute.updateRange;gl.bindBuffer(bufferType,buffer);if(updateRange.count===-1){// Not using update ranges + gl.bufferSubData(bufferType,0,array);}else{gl.bufferSubData(bufferType,updateRange.offset*array.BYTES_PER_ELEMENT,array.subarray(updateRange.offset,updateRange.offset+updateRange.count));updateRange.count=-1;// reset range + }}// + function get(attribute){if(attribute.isInterleavedBufferAttribute)attribute=attribute.data;return buffers.get(attribute);}function remove(attribute){if(attribute.isInterleavedBufferAttribute)attribute=attribute.data;var data=buffers.get(attribute);if(data){gl.deleteBuffer(data.buffer);buffers["delete"](attribute);}}function update(attribute,bufferType){if(attribute.isInterleavedBufferAttribute)attribute=attribute.data;var data=buffers.get(attribute);if(data===undefined){buffers.set(attribute,createBuffer(attribute,bufferType));}else if(data.version0&&gl.getShaderPrecisionFormat(35632,36338).precision>0){return 'highp';}precision='mediump';}if(precision==='mediump'){if(gl.getShaderPrecisionFormat(35633,36337).precision>0&&gl.getShaderPrecisionFormat(35632,36337).precision>0){return 'mediump';}}return 'lowp';}/* eslint-disable no-undef */var isWebGL2=typeof WebGL2RenderingContext!=='undefined'&&gl instanceof WebGL2RenderingContext||typeof WebGL2ComputeRenderingContext!=='undefined'&&gl instanceof WebGL2ComputeRenderingContext;/* eslint-enable no-undef */var precision=parameters.precision!==undefined?parameters.precision:'highp';var maxPrecision=getMaxPrecision(precision);if(maxPrecision!==precision){console.warn('THREE.WebGLRenderer:',precision,'not supported, using',maxPrecision,'instead.');precision=maxPrecision;}var logarithmicDepthBuffer=parameters.logarithmicDepthBuffer===true;var maxTextures=gl.getParameter(34930);var maxVertexTextures=gl.getParameter(35660);var maxTextureSize=gl.getParameter(3379);var maxCubemapSize=gl.getParameter(34076);var maxAttributes=gl.getParameter(34921);var maxVertexUniforms=gl.getParameter(36347);var maxVaryings=gl.getParameter(36348);var maxFragmentUniforms=gl.getParameter(36349);var vertexTextures=maxVertexTextures>0;var floatFragmentTextures=isWebGL2||!!extensions.get('OES_texture_float');var floatVertexTextures=vertexTextures&&floatFragmentTextures;var maxSamples=isWebGL2?gl.getParameter(36183):0;return {isWebGL2:isWebGL2,getMaxAnisotropy:getMaxAnisotropy,getMaxPrecision:getMaxPrecision,precision:precision,logarithmicDepthBuffer:logarithmicDepthBuffer,maxTextures:maxTextures,maxVertexTextures:maxVertexTextures,maxTextureSize:maxTextureSize,maxCubemapSize:maxCubemapSize,maxAttributes:maxAttributes,maxVertexUniforms:maxVertexUniforms,maxVaryings:maxVaryings,maxFragmentUniforms:maxFragmentUniforms,vertexTextures:vertexTextures,floatFragmentTextures:floatFragmentTextures,floatVertexTextures:floatVertexTextures,maxSamples:maxSamples};}/** + * @author tschw + */function WebGLClipping(){var scope=this,globalState=null,numGlobalPlanes=0,localClippingEnabled=false,renderingShadows=false,plane=new Plane(),viewNormalMatrix=new Matrix3(),uniform={value:null,needsUpdate:false};this.uniform=uniform;this.numPlanes=0;this.numIntersection=0;this.init=function(planes,enableLocalClipping,camera){var enabled=planes.length!==0||enableLocalClipping||// enable state of previous frame - the clipping code has to + // run another frame in order to reset the state: + numGlobalPlanes!==0||localClippingEnabled;localClippingEnabled=enableLocalClipping;globalState=projectPlanes(planes,camera,0);numGlobalPlanes=planes.length;return enabled;};this.beginShadows=function(){renderingShadows=true;projectPlanes(null);};this.endShadows=function(){renderingShadows=false;resetGlobalState();};this.setState=function(planes,clipIntersection,clipShadows,camera,cache,fromCache){if(!localClippingEnabled||planes===null||planes.length===0||renderingShadows&&!clipShadows){// there's no local clipping + if(renderingShadows){// there's no global clipping + projectPlanes(null);}else{resetGlobalState();}}else{var nGlobal=renderingShadows?0:numGlobalPlanes,lGlobal=nGlobal*4,dstArray=cache.clippingState||null;uniform.value=dstArray;// ensure unique state + dstArray=projectPlanes(planes,camera,lGlobal,fromCache);for(var i=0;i!==lGlobal;++i){dstArray[i]=globalState[i];}cache.clippingState=dstArray;this.numIntersection=clipIntersection?this.numPlanes:0;this.numPlanes+=nGlobal;}};function resetGlobalState(){if(uniform.value!==globalState){uniform.value=globalState;uniform.needsUpdate=numGlobalPlanes>0;}scope.numPlanes=numGlobalPlanes;scope.numIntersection=0;}function projectPlanes(planes,camera,dstOffset,skipTransform){var nPlanes=planes!==null?planes.length:0,dstArray=null;if(nPlanes!==0){dstArray=uniform.value;if(skipTransform!==true||dstArray===null){var flatSize=dstOffset+nPlanes*4,viewMatrix=camera.matrixWorldInverse;viewNormalMatrix.getNormalMatrix(viewMatrix);if(dstArray===null||dstArray.length65535?Uint32BufferAttribute:Uint16BufferAttribute)(indices,1);attribute.version=version;attributes.update(attribute,34963);// + var previousAttribute=wireframeAttributes.get(geometry);if(previousAttribute)attributes.remove(previousAttribute);// + wireframeAttributes.set(geometry,attribute);}function getWireframeAttribute(geometry){var currentAttribute=wireframeAttributes.get(geometry);if(currentAttribute){var geometryIndex=geometry.index;if(geometryIndex!==null){// if the attribute is obsolete, create a new one + if(currentAttribute.version0)return array;// unoptimized: ! isNaN( firstElem ) + // see http://jacksondunstan.com/articles/983 + var n=nBlocks*blockSize,r=arrayCacheF32[n];if(r===undefined){r=new Float32Array(n);arrayCacheF32[n]=r;}if(nBlocks!==0){firstElem.toArray(r,0);for(var i=1,offset=0;i!==nBlocks;++i){offset+=blockSize;array[i].toArray(r,offset);}}return r;}function arraysEqual(a,b){if(a.length!==b.length)return false;for(var i=0,l=a.length;i/gm;function resolveIncludes(string){return string.replace(includePattern,includeReplacer);}function includeReplacer(match,include){var string=ShaderChunk[include];if(string===undefined){throw new Error('Can not resolve #include <'+include+'>');}return resolveIncludes(string);}// Unroll Loops + var loopPattern=/#pragma unroll_loop[\s]+?for \( int i \= (\d+)\; i < (\d+)\; i \+\+ \) \{([\s\S]+?)(?=\})\}/g;function unrollLoops(string){return string.replace(loopPattern,loopReplacer);}function loopReplacer(match,start,end,snippet){var string='';for(var i=parseInt(start);i0?renderer.gammaFactor:1.0;var customExtensions=parameters.isWebGL2?'':generateExtensions(material.extensions,parameters,extensions);var customDefines=generateDefines(defines);var program=gl.createProgram();var prefixVertex,prefixFragment;var numMultiviewViews=parameters.numMultiviewViews;if(material.isRawShaderMaterial){prefixVertex=[customDefines].filter(filterEmptyLine).join('\n');if(prefixVertex.length>0){prefixVertex+='\n';}prefixFragment=[customExtensions,customDefines].filter(filterEmptyLine).join('\n');if(prefixFragment.length>0){prefixFragment+='\n';}}else{prefixVertex=[generatePrecision(parameters),'#define SHADER_NAME '+shader.name,customDefines,parameters.instancing?'#define USE_INSTANCING':'',parameters.supportsVertexTextures?'#define VERTEX_TEXTURES':'','#define GAMMA_FACTOR '+gammaFactorDefine,'#define MAX_BONES '+parameters.maxBones,parameters.useFog&¶meters.fog?'#define USE_FOG':'',parameters.useFog&¶meters.fogExp2?'#define FOG_EXP2':'',parameters.map?'#define USE_MAP':'',parameters.envMap?'#define USE_ENVMAP':'',parameters.envMap?'#define '+envMapModeDefine:'',parameters.lightMap?'#define USE_LIGHTMAP':'',parameters.aoMap?'#define USE_AOMAP':'',parameters.emissiveMap?'#define USE_EMISSIVEMAP':'',parameters.bumpMap?'#define USE_BUMPMAP':'',parameters.normalMap?'#define USE_NORMALMAP':'',parameters.normalMap&¶meters.objectSpaceNormalMap?'#define OBJECTSPACE_NORMALMAP':'',parameters.normalMap&¶meters.tangentSpaceNormalMap?'#define TANGENTSPACE_NORMALMAP':'',parameters.clearcoatNormalMap?'#define USE_CLEARCOAT_NORMALMAP':'',parameters.displacementMap&¶meters.supportsVertexTextures?'#define USE_DISPLACEMENTMAP':'',parameters.specularMap?'#define USE_SPECULARMAP':'',parameters.roughnessMap?'#define USE_ROUGHNESSMAP':'',parameters.metalnessMap?'#define USE_METALNESSMAP':'',parameters.alphaMap?'#define USE_ALPHAMAP':'',parameters.vertexTangents?'#define USE_TANGENT':'',parameters.vertexColors?'#define USE_COLOR':'',parameters.vertexUvs?'#define USE_UV':'',parameters.uvsVertexOnly?'#define UVS_VERTEX_ONLY':'',parameters.flatShading?'#define FLAT_SHADED':'',parameters.skinning?'#define USE_SKINNING':'',parameters.useVertexTexture?'#define BONE_TEXTURE':'',parameters.morphTargets?'#define USE_MORPHTARGETS':'',parameters.morphNormals&¶meters.flatShading===false?'#define USE_MORPHNORMALS':'',parameters.doubleSided?'#define DOUBLE_SIDED':'',parameters.flipSided?'#define FLIP_SIDED':'',parameters.shadowMapEnabled?'#define USE_SHADOWMAP':'',parameters.shadowMapEnabled?'#define '+shadowMapTypeDefine:'',parameters.sizeAttenuation?'#define USE_SIZEATTENUATION':'',parameters.logarithmicDepthBuffer?'#define USE_LOGDEPTHBUF':'',parameters.logarithmicDepthBuffer&&(parameters.isWebGL2||extensions.get('EXT_frag_depth'))?'#define USE_LOGDEPTHBUF_EXT':'','uniform mat4 modelMatrix;','uniform mat4 modelViewMatrix;','uniform mat4 projectionMatrix;','uniform mat4 viewMatrix;','uniform mat3 normalMatrix;','uniform vec3 cameraPosition;','uniform bool isOrthographic;','#ifdef USE_INSTANCING',' attribute mat4 instanceMatrix;','#endif','attribute vec3 position;','attribute vec3 normal;','attribute vec2 uv;','#ifdef USE_TANGENT',' attribute vec4 tangent;','#endif','#ifdef USE_COLOR',' attribute vec3 color;','#endif','#ifdef USE_MORPHTARGETS',' attribute vec3 morphTarget0;',' attribute vec3 morphTarget1;',' attribute vec3 morphTarget2;',' attribute vec3 morphTarget3;',' #ifdef USE_MORPHNORMALS',' attribute vec3 morphNormal0;',' attribute vec3 morphNormal1;',' attribute vec3 morphNormal2;',' attribute vec3 morphNormal3;',' #else',' attribute vec3 morphTarget4;',' attribute vec3 morphTarget5;',' attribute vec3 morphTarget6;',' attribute vec3 morphTarget7;',' #endif','#endif','#ifdef USE_SKINNING',' attribute vec4 skinIndex;',' attribute vec4 skinWeight;','#endif','\n'].filter(filterEmptyLine).join('\n');prefixFragment=[customExtensions,generatePrecision(parameters),'#define SHADER_NAME '+shader.name,customDefines,parameters.alphaTest?'#define ALPHATEST '+parameters.alphaTest+(parameters.alphaTest%1?'':'.0'):'',// add '.0' if integer + '#define GAMMA_FACTOR '+gammaFactorDefine,parameters.useFog&¶meters.fog?'#define USE_FOG':'',parameters.useFog&¶meters.fogExp2?'#define FOG_EXP2':'',parameters.map?'#define USE_MAP':'',parameters.matcap?'#define USE_MATCAP':'',parameters.envMap?'#define USE_ENVMAP':'',parameters.envMap?'#define '+envMapTypeDefine:'',parameters.envMap?'#define '+envMapModeDefine:'',parameters.envMap?'#define '+envMapBlendingDefine:'',parameters.lightMap?'#define USE_LIGHTMAP':'',parameters.aoMap?'#define USE_AOMAP':'',parameters.emissiveMap?'#define USE_EMISSIVEMAP':'',parameters.bumpMap?'#define USE_BUMPMAP':'',parameters.normalMap?'#define USE_NORMALMAP':'',parameters.normalMap&¶meters.objectSpaceNormalMap?'#define OBJECTSPACE_NORMALMAP':'',parameters.normalMap&¶meters.tangentSpaceNormalMap?'#define TANGENTSPACE_NORMALMAP':'',parameters.clearcoatNormalMap?'#define USE_CLEARCOAT_NORMALMAP':'',parameters.specularMap?'#define USE_SPECULARMAP':'',parameters.roughnessMap?'#define USE_ROUGHNESSMAP':'',parameters.metalnessMap?'#define USE_METALNESSMAP':'',parameters.alphaMap?'#define USE_ALPHAMAP':'',parameters.sheen?'#define USE_SHEEN':'',parameters.vertexTangents?'#define USE_TANGENT':'',parameters.vertexColors?'#define USE_COLOR':'',parameters.vertexUvs?'#define USE_UV':'',parameters.uvsVertexOnly?'#define UVS_VERTEX_ONLY':'',parameters.gradientMap?'#define USE_GRADIENTMAP':'',parameters.flatShading?'#define FLAT_SHADED':'',parameters.doubleSided?'#define DOUBLE_SIDED':'',parameters.flipSided?'#define FLIP_SIDED':'',parameters.shadowMapEnabled?'#define USE_SHADOWMAP':'',parameters.shadowMapEnabled?'#define '+shadowMapTypeDefine:'',parameters.premultipliedAlpha?'#define PREMULTIPLIED_ALPHA':'',parameters.physicallyCorrectLights?'#define PHYSICALLY_CORRECT_LIGHTS':'',parameters.logarithmicDepthBuffer?'#define USE_LOGDEPTHBUF':'',parameters.logarithmicDepthBuffer&&(parameters.isWebGL2||extensions.get('EXT_frag_depth'))?'#define USE_LOGDEPTHBUF_EXT':'',((material.extensions?material.extensions.shaderTextureLOD:false)||parameters.envMap)&&(parameters.isWebGL2||extensions.get('EXT_shader_texture_lod'))?'#define TEXTURE_LOD_EXT':'','uniform mat4 viewMatrix;','uniform vec3 cameraPosition;','uniform bool isOrthographic;',parameters.toneMapping!==NoToneMapping?'#define TONE_MAPPING':'',parameters.toneMapping!==NoToneMapping?ShaderChunk['tonemapping_pars_fragment']:'',// this code is required here because it is used by the toneMapping() function defined below + parameters.toneMapping!==NoToneMapping?getToneMappingFunction('toneMapping',parameters.toneMapping):'',parameters.dithering?'#define DITHERING':'',parameters.outputEncoding||parameters.mapEncoding||parameters.matcapEncoding||parameters.envMapEncoding||parameters.emissiveMapEncoding?ShaderChunk['encodings_pars_fragment']:'',// this code is required here because it is used by the various encoding/decoding function defined below + parameters.mapEncoding?getTexelDecodingFunction('mapTexelToLinear',parameters.mapEncoding):'',parameters.matcapEncoding?getTexelDecodingFunction('matcapTexelToLinear',parameters.matcapEncoding):'',parameters.envMapEncoding?getTexelDecodingFunction('envMapTexelToLinear',parameters.envMapEncoding):'',parameters.emissiveMapEncoding?getTexelDecodingFunction('emissiveMapTexelToLinear',parameters.emissiveMapEncoding):'',parameters.outputEncoding?getTexelEncodingFunction('linearToOutputTexel',parameters.outputEncoding):'',parameters.depthPacking?'#define DEPTH_PACKING '+material.depthPacking:'','\n'].filter(filterEmptyLine).join('\n');}vertexShader=resolveIncludes(vertexShader);vertexShader=replaceLightNums(vertexShader,parameters);vertexShader=replaceClippingPlaneNums(vertexShader,parameters);fragmentShader=resolveIncludes(fragmentShader);fragmentShader=replaceLightNums(fragmentShader,parameters);fragmentShader=replaceClippingPlaneNums(fragmentShader,parameters);vertexShader=unrollLoops(vertexShader);fragmentShader=unrollLoops(fragmentShader);if(parameters.isWebGL2&&!material.isRawShaderMaterial){var isGLSL3ShaderMaterial=false;var versionRegex=/^\s*#version\s+300\s+es\s*\n/;if(material.isShaderMaterial&&vertexShader.match(versionRegex)!==null&&fragmentShader.match(versionRegex)!==null){isGLSL3ShaderMaterial=true;vertexShader=vertexShader.replace(versionRegex,'');fragmentShader=fragmentShader.replace(versionRegex,'');}// GLSL 3.0 conversion + prefixVertex=['#version 300 es\n','#define attribute in','#define varying out','#define texture2D texture'].join('\n')+'\n'+prefixVertex;prefixFragment=['#version 300 es\n','#define varying in',isGLSL3ShaderMaterial?'':'out highp vec4 pc_fragColor;',isGLSL3ShaderMaterial?'':'#define gl_FragColor pc_fragColor','#define gl_FragDepthEXT gl_FragDepth','#define texture2D texture','#define textureCube texture','#define texture2DProj textureProj','#define texture2DLodEXT textureLod','#define texture2DProjLodEXT textureProjLod','#define textureCubeLodEXT textureLod','#define texture2DGradEXT textureGrad','#define texture2DProjGradEXT textureProjGrad','#define textureCubeGradEXT textureGrad'].join('\n')+'\n'+prefixFragment;// Multiview + if(numMultiviewViews>0){prefixVertex=prefixVertex.replace('#version 300 es\n',['#version 300 es\n','#extension GL_OVR_multiview2 : require','layout(num_views = '+numMultiviewViews+') in;','#define VIEW_ID gl_ViewID_OVR'].join('\n'));prefixVertex=prefixVertex.replace(['uniform mat4 modelViewMatrix;','uniform mat4 projectionMatrix;','uniform mat4 viewMatrix;','uniform mat3 normalMatrix;'].join('\n'),['uniform mat4 modelViewMatrices['+numMultiviewViews+'];','uniform mat4 projectionMatrices['+numMultiviewViews+'];','uniform mat4 viewMatrices['+numMultiviewViews+'];','uniform mat3 normalMatrices['+numMultiviewViews+'];','#define modelViewMatrix modelViewMatrices[VIEW_ID]','#define projectionMatrix projectionMatrices[VIEW_ID]','#define viewMatrix viewMatrices[VIEW_ID]','#define normalMatrix normalMatrices[VIEW_ID]'].join('\n'));prefixFragment=prefixFragment.replace('#version 300 es\n',['#version 300 es\n','#extension GL_OVR_multiview2 : require','#define VIEW_ID gl_ViewID_OVR'].join('\n'));prefixFragment=prefixFragment.replace('uniform mat4 viewMatrix;',['uniform mat4 viewMatrices['+numMultiviewViews+'];','#define viewMatrix viewMatrices[VIEW_ID]'].join('\n'));}}var vertexGlsl=prefixVertex+vertexShader;var fragmentGlsl=prefixFragment+fragmentShader;// console.log( '*VERTEX*', vertexGlsl ); + // console.log( '*FRAGMENT*', fragmentGlsl ); + var glVertexShader=WebGLShader(gl,35633,vertexGlsl);var glFragmentShader=WebGLShader(gl,35632,fragmentGlsl);gl.attachShader(program,glVertexShader);gl.attachShader(program,glFragmentShader);// Force a particular attribute to index 0. + if(material.index0AttributeName!==undefined){gl.bindAttribLocation(program,0,material.index0AttributeName);}else if(parameters.morphTargets===true){// programs with morphTargets displace position out of attribute 0 + gl.bindAttribLocation(program,0,'position');}gl.linkProgram(program);// check for link errors + if(renderer.debug.checkShaderErrors){var programLog=gl.getProgramInfoLog(program).trim();var vertexLog=gl.getShaderInfoLog(glVertexShader).trim();var fragmentLog=gl.getShaderInfoLog(glFragmentShader).trim();var runnable=true;var haveDiagnostics=true;if(gl.getProgramParameter(program,35714)===false){runnable=false;var vertexErrors=getShaderErrors(gl,glVertexShader,'vertex');var fragmentErrors=getShaderErrors(gl,glFragmentShader,'fragment');console.error('THREE.WebGLProgram: shader error: ',gl.getError(),'35715',gl.getProgramParameter(program,35715),'gl.getProgramInfoLog',programLog,vertexErrors,fragmentErrors);}else if(programLog!==''){console.warn('THREE.WebGLProgram: gl.getProgramInfoLog()',programLog);}else if(vertexLog===''||fragmentLog===''){haveDiagnostics=false;}if(haveDiagnostics){this.diagnostics={runnable:runnable,material:material,programLog:programLog,vertexShader:{log:vertexLog,prefix:prefixVertex},fragmentShader:{log:fragmentLog,prefix:prefixFragment}};}}// clean up + gl.deleteShader(glVertexShader);gl.deleteShader(glFragmentShader);// set up caching for uniform locations + var cachedUniforms;this.getUniforms=function(){if(cachedUniforms===undefined){cachedUniforms=new WebGLUniforms(gl,program);}return cachedUniforms;};// set up caching for attribute locations + var cachedAttributes;this.getAttributes=function(){if(cachedAttributes===undefined){cachedAttributes=fetchAttributeLocations(gl,program);}return cachedAttributes;};// free resource + this.destroy=function(){gl.deleteProgram(program);this.program=undefined;};// + this.name=shader.name;this.id=programIdCount++;this.cacheKey=cacheKey;this.usedTimes=1;this.program=program;this.vertexShader=glVertexShader;this.fragmentShader=glFragmentShader;this.numMultiviewViews=numMultiviewViews;return this;}/** + * @author mrdoob / http://mrdoob.com/ + */function WebGLPrograms(renderer,extensions,capabilities){var programs=[];var isWebGL2=capabilities.isWebGL2;var logarithmicDepthBuffer=capabilities.logarithmicDepthBuffer;var floatVertexTextures=capabilities.floatVertexTextures;var precision=capabilities.precision;var maxVertexUniforms=capabilities.maxVertexUniforms;var vertexTextures=capabilities.vertexTextures;var shaderIDs={MeshDepthMaterial:'depth',MeshDistanceMaterial:'distanceRGBA',MeshNormalMaterial:'normal',MeshBasicMaterial:'basic',MeshLambertMaterial:'lambert',MeshPhongMaterial:'phong',MeshToonMaterial:'phong',MeshStandardMaterial:'physical',MeshPhysicalMaterial:'physical',MeshMatcapMaterial:'matcap',LineBasicMaterial:'basic',LineDashedMaterial:'dashed',PointsMaterial:'points',ShadowMaterial:'shadow',SpriteMaterial:'sprite'};var parameterNames=["precision","isWebGL2","supportsVertexTextures","outputEncoding","instancing","numMultiviewViews","map","mapEncoding","matcap","matcapEncoding","envMap","envMapMode","envMapEncoding","envMapCubeUV","lightMap","aoMap","emissiveMap","emissiveMapEncoding","bumpMap","normalMap","objectSpaceNormalMap","tangentSpaceNormalMap","clearcoatNormalMap","displacementMap","specularMap","roughnessMap","metalnessMap","gradientMap","alphaMap","combine","vertexColors","vertexTangents","vertexUvs","uvsVertexOnly","fog","useFog","fogExp2","flatShading","sizeAttenuation","logarithmicDepthBuffer","skinning","maxBones","useVertexTexture","morphTargets","morphNormals","maxMorphTargets","maxMorphNormals","premultipliedAlpha","numDirLights","numPointLights","numSpotLights","numHemiLights","numRectAreaLights","numDirLightShadows","numPointLightShadows","numSpotLightShadows","shadowMapEnabled","shadowMapType","toneMapping",'physicallyCorrectLights',"alphaTest","doubleSided","flipSided","numClippingPlanes","numClipIntersection","depthPacking","dithering","sheen"];function allocateBones(object){var skeleton=object.skeleton;var bones=skeleton.bones;if(floatVertexTextures){return 1024;}else{// default for when object is not specified + // ( for example when prebuilding shader to be used with multiple objects ) + // + // - leave some extra space for other uniforms + // - limit here is ANGLE's 254 max uniform vectors + // (up to 54 should be safe) + var nVertexUniforms=maxVertexUniforms;var nVertexMatrices=Math.floor((nVertexUniforms-20)/4);var maxBones=Math.min(nVertexMatrices,bones.length);if(maxBones0,maxBones:maxBones,useVertexTexture:floatVertexTextures,morphTargets:material.morphTargets,morphNormals:material.morphNormals,maxMorphTargets:renderer.maxMorphTargets,maxMorphNormals:renderer.maxMorphNormals,numDirLights:lights.directional.length,numPointLights:lights.point.length,numSpotLights:lights.spot.length,numRectAreaLights:lights.rectArea.length,numHemiLights:lights.hemi.length,numDirLightShadows:lights.directionalShadowMap.length,numPointLightShadows:lights.pointShadowMap.length,numSpotLightShadows:lights.spotShadowMap.length,numClippingPlanes:nClipPlanes,numClipIntersection:nClipIntersection,dithering:material.dithering,shadowMapEnabled:renderer.shadowMap.enabled&&shadows.length>0,shadowMapType:renderer.shadowMap.type,toneMapping:material.toneMapped?renderer.toneMapping:NoToneMapping,physicallyCorrectLights:renderer.physicallyCorrectLights,premultipliedAlpha:material.premultipliedAlpha,alphaTest:material.alphaTest,doubleSided:material.side===DoubleSide,flipSided:material.side===BackSide,depthPacking:material.depthPacking!==undefined?material.depthPacking:false};return parameters;};this.getProgramCacheKey=function(material,parameters){var array=[];if(parameters.shaderID){array.push(parameters.shaderID);}else{array.push(material.fragmentShader);array.push(material.vertexShader);}if(material.defines!==undefined){for(var name in material.defines){array.push(name);array.push(material.defines[name]);}}for(var i=0;i1)opaque.sort(painterSortStable);if(transparent.length>1)transparent.sort(reversePainterSortStable);}return {opaque:opaque,transparent:transparent,init:init,push:push,unshift:unshift,sort:sort};}function WebGLRenderLists(){var lists=new WeakMap();function onSceneDispose(event){var scene=event.target;scene.removeEventListener('dispose',onSceneDispose);lists["delete"](scene);}function get(scene,camera){var cameras=lists.get(scene);var list;if(cameras===undefined){list=new WebGLRenderList();lists.set(scene,new WeakMap());lists.get(scene).set(camera,list);scene.addEventListener('dispose',onSceneDispose);}else{list=cameras.get(camera);if(list===undefined){list=new WebGLRenderList();cameras.set(camera,list);}}return list;}function dispose(){lists=new WeakMap();}return {get:get,dispose:dispose};}/** + * @author mrdoob / http://mrdoob.com/ + */function UniformsCache(){var lights={};return {get:function get(light){if(lights[light.id]!==undefined){return lights[light.id];}var uniforms;switch(light.type){case'DirectionalLight':uniforms={direction:new Vector3(),color:new Color(),shadow:false,shadowBias:0,shadowRadius:1,shadowMapSize:new Vector2()};break;case'SpotLight':uniforms={position:new Vector3(),direction:new Vector3(),color:new Color(),distance:0,coneCos:0,penumbraCos:0,decay:0,shadow:false,shadowBias:0,shadowRadius:1,shadowMapSize:new Vector2()};break;case'PointLight':uniforms={position:new Vector3(),color:new Color(),distance:0,decay:0,shadow:false,shadowBias:0,shadowRadius:1,shadowMapSize:new Vector2(),shadowCameraNear:1,shadowCameraFar:1000};break;case'HemisphereLight':uniforms={direction:new Vector3(),skyColor:new Color(),groundColor:new Color()};break;case'RectAreaLight':uniforms={color:new Color(),position:new Vector3(),halfWidth:new Vector3(),halfHeight:new Vector3()// TODO (abelnation): set RectAreaLight shadow uniforms + };break;}lights[light.id]=uniforms;return uniforms;}};}var nextVersion=0;function shadowCastingLightsFirst(lightA,lightB){return (lightB.castShadow?1:0)-(lightA.castShadow?1:0);}function WebGLLights(){var cache=new UniformsCache();var state={version:0,hash:{directionalLength:-1,pointLength:-1,spotLength:-1,rectAreaLength:-1,hemiLength:-1,numDirectionalShadows:-1,numPointShadows:-1,numSpotShadows:-1},ambient:[0,0,0],probe:[],directional:[],directionalShadowMap:[],directionalShadowMatrix:[],spot:[],spotShadowMap:[],spotShadowMatrix:[],rectArea:[],point:[],pointShadowMap:[],pointShadowMatrix:[],hemi:[],numDirectionalShadows:-1,numPointShadows:-1,numSpotShadows:-1};for(var i=0;i<9;i++){state.probe.push(new Vector3());}var vector3=new Vector3();var matrix4=new Matrix4();var matrix42=new Matrix4();function setup(lights,shadows,camera){var r=0,g=0,b=0;for(var i=0;i<9;i++){state.probe[i].set(0,0,0);}var directionalLength=0;var pointLength=0;var spotLength=0;var rectAreaLength=0;var hemiLength=0;var numDirectionalShadows=0;var numPointShadows=0;var numSpotShadows=0;var viewMatrix=camera.matrixWorldInverse;lights.sort(shadowCastingLightsFirst);for(var i=0,l=lights.length;i, + * + * map: new THREE.Texture( ), + * + * alphaMap: new THREE.Texture( ), + * + * displacementMap: new THREE.Texture( ), + * displacementScale: , + * displacementBias: , + * + * wireframe: , + * wireframeLinewidth: + * } + */function MeshDepthMaterial(parameters){Material.call(this);this.type='MeshDepthMaterial';this.depthPacking=BasicDepthPacking;this.skinning=false;this.morphTargets=false;this.map=null;this.alphaMap=null;this.displacementMap=null;this.displacementScale=1;this.displacementBias=0;this.wireframe=false;this.wireframeLinewidth=1;this.fog=false;this.setValues(parameters);}MeshDepthMaterial.prototype=Object.create(Material.prototype);MeshDepthMaterial.prototype.constructor=MeshDepthMaterial;MeshDepthMaterial.prototype.isMeshDepthMaterial=true;MeshDepthMaterial.prototype.copy=function(source){Material.prototype.copy.call(this,source);this.depthPacking=source.depthPacking;this.skinning=source.skinning;this.morphTargets=source.morphTargets;this.map=source.map;this.alphaMap=source.alphaMap;this.displacementMap=source.displacementMap;this.displacementScale=source.displacementScale;this.displacementBias=source.displacementBias;this.wireframe=source.wireframe;this.wireframeLinewidth=source.wireframeLinewidth;return this;};/** * @author WestLangley / http://github.com/WestLangley - * @author bhouston / http://clara.io - * @author tschw - */ - - var _vector$1 = new Vector3(); - - function Matrix3() { - - this.elements = [ - - 1, 0, 0, - 0, 1, 0, - 0, 0, 1 - - ]; - - if ( arguments.length > 0 ) { - - console.error( 'THREE.Matrix3: the constructor no longer reads arguments. use .set() instead.' ); - - } - - } - - Object.assign( Matrix3.prototype, { - - isMatrix3: true, - - set: function ( n11, n12, n13, n21, n22, n23, n31, n32, n33 ) { - - var te = this.elements; - - te[ 0 ] = n11; te[ 1 ] = n21; te[ 2 ] = n31; - te[ 3 ] = n12; te[ 4 ] = n22; te[ 5 ] = n32; - te[ 6 ] = n13; te[ 7 ] = n23; te[ 8 ] = n33; - - return this; - - }, - - identity: function () { - - this.set( - - 1, 0, 0, - 0, 1, 0, - 0, 0, 1 - - ); - - return this; - - }, - - clone: function () { - - return new this.constructor().fromArray( this.elements ); - - }, - - copy: function ( m ) { - - var te = this.elements; - var me = m.elements; - - te[ 0 ] = me[ 0 ]; te[ 1 ] = me[ 1 ]; te[ 2 ] = me[ 2 ]; - te[ 3 ] = me[ 3 ]; te[ 4 ] = me[ 4 ]; te[ 5 ] = me[ 5 ]; - te[ 6 ] = me[ 6 ]; te[ 7 ] = me[ 7 ]; te[ 8 ] = me[ 8 ]; - - return this; - - }, - - setFromMatrix4: function ( m ) { - - var me = m.elements; - - this.set( - - me[ 0 ], me[ 4 ], me[ 8 ], - me[ 1 ], me[ 5 ], me[ 9 ], - me[ 2 ], me[ 6 ], me[ 10 ] - - ); - - return this; - - }, - - applyToBufferAttribute: function ( attribute ) { - - for ( var i = 0, l = attribute.count; i < l; i ++ ) { - - _vector$1.x = attribute.getX( i ); - _vector$1.y = attribute.getY( i ); - _vector$1.z = attribute.getZ( i ); - - _vector$1.applyMatrix3( this ); - - attribute.setXYZ( i, _vector$1.x, _vector$1.y, _vector$1.z ); - - } - - return attribute; - - }, - - multiply: function ( m ) { - - return this.multiplyMatrices( this, m ); - - }, - - premultiply: function ( m ) { - - return this.multiplyMatrices( m, this ); - - }, - - multiplyMatrices: function ( a, b ) { - - var ae = a.elements; - var be = b.elements; - var te = this.elements; - - var a11 = ae[ 0 ], a12 = ae[ 3 ], a13 = ae[ 6 ]; - var a21 = ae[ 1 ], a22 = ae[ 4 ], a23 = ae[ 7 ]; - var a31 = ae[ 2 ], a32 = ae[ 5 ], a33 = ae[ 8 ]; - - var b11 = be[ 0 ], b12 = be[ 3 ], b13 = be[ 6 ]; - var b21 = be[ 1 ], b22 = be[ 4 ], b23 = be[ 7 ]; - var b31 = be[ 2 ], b32 = be[ 5 ], b33 = be[ 8 ]; - - te[ 0 ] = a11 * b11 + a12 * b21 + a13 * b31; - te[ 3 ] = a11 * b12 + a12 * b22 + a13 * b32; - te[ 6 ] = a11 * b13 + a12 * b23 + a13 * b33; - - te[ 1 ] = a21 * b11 + a22 * b21 + a23 * b31; - te[ 4 ] = a21 * b12 + a22 * b22 + a23 * b32; - te[ 7 ] = a21 * b13 + a22 * b23 + a23 * b33; - - te[ 2 ] = a31 * b11 + a32 * b21 + a33 * b31; - te[ 5 ] = a31 * b12 + a32 * b22 + a33 * b32; - te[ 8 ] = a31 * b13 + a32 * b23 + a33 * b33; - - return this; - - }, - - multiplyScalar: function ( s ) { - - var te = this.elements; - - te[ 0 ] *= s; te[ 3 ] *= s; te[ 6 ] *= s; - te[ 1 ] *= s; te[ 4 ] *= s; te[ 7 ] *= s; - te[ 2 ] *= s; te[ 5 ] *= s; te[ 8 ] *= s; - - return this; - - }, - - determinant: function () { - - var te = this.elements; - - var a = te[ 0 ], b = te[ 1 ], c = te[ 2 ], - d = te[ 3 ], e = te[ 4 ], f = te[ 5 ], - g = te[ 6 ], h = te[ 7 ], i = te[ 8 ]; - - return a * e * i - a * f * h - b * d * i + b * f * g + c * d * h - c * e * g; - - }, - - getInverse: function ( matrix, throwOnDegenerate ) { - - if ( matrix && matrix.isMatrix4 ) { - - console.error( "THREE.Matrix3: .getInverse() no longer takes a Matrix4 argument." ); - - } - - var me = matrix.elements, - te = this.elements, - - n11 = me[ 0 ], n21 = me[ 1 ], n31 = me[ 2 ], - n12 = me[ 3 ], n22 = me[ 4 ], n32 = me[ 5 ], - n13 = me[ 6 ], n23 = me[ 7 ], n33 = me[ 8 ], - - t11 = n33 * n22 - n32 * n23, - t12 = n32 * n13 - n33 * n12, - t13 = n23 * n12 - n22 * n13, - - det = n11 * t11 + n21 * t12 + n31 * t13; - - if ( det === 0 ) { - - var msg = "THREE.Matrix3: .getInverse() can't invert matrix, determinant is 0"; - - if ( throwOnDegenerate === true ) { - - throw new Error( msg ); - - } else { - - console.warn( msg ); - - } - - return this.identity(); - - } - - var detInv = 1 / det; - - te[ 0 ] = t11 * detInv; - te[ 1 ] = ( n31 * n23 - n33 * n21 ) * detInv; - te[ 2 ] = ( n32 * n21 - n31 * n22 ) * detInv; - - te[ 3 ] = t12 * detInv; - te[ 4 ] = ( n33 * n11 - n31 * n13 ) * detInv; - te[ 5 ] = ( n31 * n12 - n32 * n11 ) * detInv; - - te[ 6 ] = t13 * detInv; - te[ 7 ] = ( n21 * n13 - n23 * n11 ) * detInv; - te[ 8 ] = ( n22 * n11 - n21 * n12 ) * detInv; - - return this; - - }, - - transpose: function () { - - var tmp, m = this.elements; - - tmp = m[ 1 ]; m[ 1 ] = m[ 3 ]; m[ 3 ] = tmp; - tmp = m[ 2 ]; m[ 2 ] = m[ 6 ]; m[ 6 ] = tmp; - tmp = m[ 5 ]; m[ 5 ] = m[ 7 ]; m[ 7 ] = tmp; - - return this; - - }, - - getNormalMatrix: function ( matrix4 ) { - - return this.setFromMatrix4( matrix4 ).getInverse( this ).transpose(); - - }, - - transposeIntoArray: function ( r ) { - - var m = this.elements; - - r[ 0 ] = m[ 0 ]; - r[ 1 ] = m[ 3 ]; - r[ 2 ] = m[ 6 ]; - r[ 3 ] = m[ 1 ]; - r[ 4 ] = m[ 4 ]; - r[ 5 ] = m[ 7 ]; - r[ 6 ] = m[ 2 ]; - r[ 7 ] = m[ 5 ]; - r[ 8 ] = m[ 8 ]; - - return this; - - }, - - setUvTransform: function ( tx, ty, sx, sy, rotation, cx, cy ) { - - var c = Math.cos( rotation ); - var s = Math.sin( rotation ); - - this.set( - sx * c, sx * s, - sx * ( c * cx + s * cy ) + cx + tx, - - sy * s, sy * c, - sy * ( - s * cx + c * cy ) + cy + ty, - 0, 0, 1 - ); - - }, - - scale: function ( sx, sy ) { - - var te = this.elements; - - te[ 0 ] *= sx; te[ 3 ] *= sx; te[ 6 ] *= sx; - te[ 1 ] *= sy; te[ 4 ] *= sy; te[ 7 ] *= sy; - - return this; - - }, - - rotate: function ( theta ) { - - var c = Math.cos( theta ); - var s = Math.sin( theta ); - - var te = this.elements; - - var a11 = te[ 0 ], a12 = te[ 3 ], a13 = te[ 6 ]; - var a21 = te[ 1 ], a22 = te[ 4 ], a23 = te[ 7 ]; - - te[ 0 ] = c * a11 + s * a21; - te[ 3 ] = c * a12 + s * a22; - te[ 6 ] = c * a13 + s * a23; - - te[ 1 ] = - s * a11 + c * a21; - te[ 4 ] = - s * a12 + c * a22; - te[ 7 ] = - s * a13 + c * a23; - - return this; - - }, - - translate: function ( tx, ty ) { - - var te = this.elements; - - te[ 0 ] += tx * te[ 2 ]; te[ 3 ] += tx * te[ 5 ]; te[ 6 ] += tx * te[ 8 ]; - te[ 1 ] += ty * te[ 2 ]; te[ 4 ] += ty * te[ 5 ]; te[ 7 ] += ty * te[ 8 ]; - - return this; - - }, - - equals: function ( matrix ) { - - var te = this.elements; - var me = matrix.elements; - - for ( var i = 0; i < 9; i ++ ) { - - if ( te[ i ] !== me[ i ] ) return false; - - } - - return true; - - }, - - fromArray: function ( array, offset ) { - - if ( offset === undefined ) offset = 0; - - for ( var i = 0; i < 9; i ++ ) { - - this.elements[ i ] = array[ i + offset ]; - - } - - return this; - - }, - - toArray: function ( array, offset ) { - - if ( array === undefined ) array = []; - if ( offset === undefined ) offset = 0; - - var te = this.elements; - - array[ offset ] = te[ 0 ]; - array[ offset + 1 ] = te[ 1 ]; - array[ offset + 2 ] = te[ 2 ]; - - array[ offset + 3 ] = te[ 3 ]; - array[ offset + 4 ] = te[ 4 ]; - array[ offset + 5 ] = te[ 5 ]; - - array[ offset + 6 ] = te[ 6 ]; - array[ offset + 7 ] = te[ 7 ]; - array[ offset + 8 ] = te[ 8 ]; - - return array; - - } - - } ); - - /** - * @author mrdoob / http://mrdoob.com/ + * + * parameters = { + * + * referencePosition: , + * nearDistance: , + * farDistance: , + * + * skinning: , + * morphTargets: , + * + * map: new THREE.Texture( ), + * + * alphaMap: new THREE.Texture( ), + * + * displacementMap: new THREE.Texture( ), + * displacementScale: , + * displacementBias: + * + * } + */function MeshDistanceMaterial(parameters){Material.call(this);this.type='MeshDistanceMaterial';this.referencePosition=new Vector3();this.nearDistance=1;this.farDistance=1000;this.skinning=false;this.morphTargets=false;this.map=null;this.alphaMap=null;this.displacementMap=null;this.displacementScale=1;this.displacementBias=0;this.fog=false;this.setValues(parameters);}MeshDistanceMaterial.prototype=Object.create(Material.prototype);MeshDistanceMaterial.prototype.constructor=MeshDistanceMaterial;MeshDistanceMaterial.prototype.isMeshDistanceMaterial=true;MeshDistanceMaterial.prototype.copy=function(source){Material.prototype.copy.call(this,source);this.referencePosition.copy(source.referencePosition);this.nearDistance=source.nearDistance;this.farDistance=source.farDistance;this.skinning=source.skinning;this.morphTargets=source.morphTargets;this.map=source.map;this.alphaMap=source.alphaMap;this.displacementMap=source.displacementMap;this.displacementScale=source.displacementScale;this.displacementBias=source.displacementBias;return this;};var vsm_frag="uniform sampler2D shadow_pass;\nuniform vec2 resolution;\nuniform float radius;\n#include \nvoid main() {\n float mean = 0.0;\n float squared_mean = 0.0;\n \n\tfloat depth = unpackRGBAToDepth( texture2D( shadow_pass, ( gl_FragCoord.xy ) / resolution ) );\n for ( float i = -1.0; i < 1.0 ; i += SAMPLE_RATE) {\n #ifdef HORIZONAL_PASS\n vec2 distribution = decodeHalfRGBA ( texture2D( shadow_pass, ( gl_FragCoord.xy + vec2( i, 0.0 ) * radius ) / resolution ) );\n mean += distribution.x;\n squared_mean += distribution.y * distribution.y + distribution.x * distribution.x;\n #else\n float depth = unpackRGBAToDepth( texture2D( shadow_pass, ( gl_FragCoord.xy + vec2( 0.0, i ) * radius ) / resolution ) );\n mean += depth;\n squared_mean += depth * depth;\n #endif\n }\n mean = mean * HALF_SAMPLE_RATE;\n squared_mean = squared_mean * HALF_SAMPLE_RATE;\n float std_dev = pow( squared_mean - mean * mean, 0.5 );\n gl_FragColor = encodeHalfRGBA( vec2( mean, std_dev ) );\n}";var vsm_vert="void main() {\n\tgl_Position = vec4( position, 1.0 );\n}";/** * @author alteredq / http://alteredqualia.com/ - * @author szimek / https://github.com/szimek/ - */ - - var _canvas; - - var ImageUtils = { - - getDataURL: function ( image ) { - - var canvas; - - if ( typeof HTMLCanvasElement == 'undefined' ) { - - return image.src; - - } else if ( image instanceof HTMLCanvasElement ) { - - canvas = image; - - } else { - - if ( _canvas === undefined ) _canvas = document.createElementNS( 'http://www.w3.org/1999/xhtml', 'canvas' ); - - _canvas.width = image.width; - _canvas.height = image.height; - - var context = _canvas.getContext( '2d' ); - - if ( image instanceof ImageData ) { - - context.putImageData( image, 0, 0 ); - - } else { - - context.drawImage( image, 0, 0, image.width, image.height ); - - } - - canvas = _canvas; - - } - - if ( canvas.width > 2048 || canvas.height > 2048 ) { - - return canvas.toDataURL( 'image/jpeg', 0.6 ); - - } else { - - return canvas.toDataURL( 'image/png' ); - - } - - } - - }; - - /** + * @author mrdoob / http://mrdoob.com/ + */function WebGLShadowMap(_renderer,_objects,maxTextureSize){var _frustum=new Frustum(),_shadowMapSize=new Vector2(),_viewportSize=new Vector2(),_viewport=new Vector4(),_depthMaterials=[],_distanceMaterials=[],_materialCache={};var shadowSide={0:BackSide,1:FrontSide,2:DoubleSide};var shadowMaterialVertical=new ShaderMaterial({defines:{SAMPLE_RATE:2.0/8.0,HALF_SAMPLE_RATE:1.0/8.0},uniforms:{shadow_pass:{value:null},resolution:{value:new Vector2()},radius:{value:4.0}},vertexShader:vsm_vert,fragmentShader:vsm_frag});var shadowMaterialHorizonal=shadowMaterialVertical.clone();shadowMaterialHorizonal.defines.HORIZONAL_PASS=1;var fullScreenTri=new BufferGeometry();fullScreenTri.setAttribute("position",new BufferAttribute(new Float32Array([-1,-1,0.5,3,-1,0.5,-1,3,0.5]),3));var fullScreenMesh=new Mesh(fullScreenTri,shadowMaterialVertical);var scope=this;this.enabled=false;this.autoUpdate=true;this.needsUpdate=false;this.type=PCFShadowMap;this.render=function(lights,scene,camera){if(scope.enabled===false)return;if(scope.autoUpdate===false&&scope.needsUpdate===false)return;if(lights.length===0)return;var currentRenderTarget=_renderer.getRenderTarget();var activeCubeFace=_renderer.getActiveCubeFace();var activeMipmapLevel=_renderer.getActiveMipmapLevel();var _state=_renderer.state;// Set GL state for depth map. + _state.setBlending(NoBlending);_state.buffers.color.setClear(1,1,1,1);_state.buffers.depth.setTest(true);_state.setScissorTest(false);// render depth map + for(var i=0,il=lights.length;imaxTextureSize||_shadowMapSize.y>maxTextureSize){console.warn('THREE.WebGLShadowMap:',light,'has shadow exceeding max texture size, reducing');if(_shadowMapSize.x>maxTextureSize){_viewportSize.x=Math.floor(maxTextureSize/shadowFrameExtents.x);_shadowMapSize.x=_viewportSize.x*shadowFrameExtents.x;shadow.mapSize.x=_viewportSize.x;}if(_shadowMapSize.y>maxTextureSize){_viewportSize.y=Math.floor(maxTextureSize/shadowFrameExtents.y);_shadowMapSize.y=_viewportSize.y*shadowFrameExtents.y;shadow.mapSize.y=_viewportSize.y;}}if(shadow.map===null&&!shadow.isPointLightShadow&&this.type===VSMShadowMap){var pars={minFilter:LinearFilter,magFilter:LinearFilter,format:RGBAFormat};shadow.map=new WebGLRenderTarget(_shadowMapSize.x,_shadowMapSize.y,pars);shadow.map.texture.name=light.name+".shadowMap";shadow.mapPass=new WebGLRenderTarget(_shadowMapSize.x,_shadowMapSize.y,pars);shadow.camera.updateProjectionMatrix();}if(shadow.map===null){var pars={minFilter:NearestFilter,magFilter:NearestFilter,format:RGBAFormat};shadow.map=new WebGLRenderTarget(_shadowMapSize.x,_shadowMapSize.y,pars);shadow.map.texture.name=light.name+".shadowMap";shadow.camera.updateProjectionMatrix();}_renderer.setRenderTarget(shadow.map);_renderer.clear();var viewportCount=shadow.getViewportCount();for(var vp=0;vp0;}else if(geometry.isGeometry===true){useMorphing=geometry.morphTargets&&geometry.morphTargets.length>0;}}var useSkinning=false;if(object.isSkinnedMesh===true){if(material.skinning===true){useSkinning=true;}else{console.warn('THREE.WebGLShadowMap: THREE.SkinnedMesh with material.skinning set to false:',object);}}var useInstancing=object.isInstancedMesh===true;result=getMaterialVariant(useMorphing,useSkinning,useInstancing);}else{result=customMaterial;}if(_renderer.localClippingEnabled&&material.clipShadows===true&&material.clippingPlanes.length!==0){// in this case we need a unique material instance reflecting the + // appropriate state + var keyA=result.uuid,keyB=material.uuid;var materialsForVariant=_materialCache[keyA];if(materialsForVariant===undefined){materialsForVariant={};_materialCache[keyA]=materialsForVariant;}var cachedMaterial=materialsForVariant[keyB];if(cachedMaterial===undefined){cachedMaterial=result.clone();materialsForVariant[keyB]=cachedMaterial;}result=cachedMaterial;}result.visible=material.visible;result.wireframe=material.wireframe;if(type===VSMShadowMap){result.side=material.shadowSide!==null?material.shadowSide:material.side;}else{result.side=material.shadowSide!==null?material.shadowSide:shadowSide[material.side];}result.clipShadows=material.clipShadows;result.clippingPlanes=material.clippingPlanes;result.clipIntersection=material.clipIntersection;result.wireframeLinewidth=material.wireframeLinewidth;result.linewidth=material.linewidth;if(light.isPointLight===true&&result.isMeshDistanceMaterial===true){result.referencePosition.setFromMatrixPosition(light.matrixWorld);result.nearDistance=shadowCameraNear;result.farDistance=shadowCameraFar;}return result;}function renderObject(object,camera,shadowCamera,light,type){if(object.visible===false)return;var visible=object.layers.test(camera.layers);if(visible&&(object.isMesh||object.isLine||object.isPoints)){if((object.castShadow||object.receiveShadow&&type===VSMShadowMap)&&(!object.frustumCulled||_frustum.intersectsObject(object))){object.modelViewMatrix.multiplyMatrices(shadowCamera.matrixWorldInverse,object.matrixWorld);var geometry=_objects.update(object);var material=object.material;if(Array.isArray(material)){var groups=geometry.groups;for(var k=0,kl=groups.length;k=1.0;}else if(glVersion.indexOf('OpenGL ES')!==-1){version=parseFloat(/^OpenGL\ ES\ ([0-9])/.exec(glVersion)[1]);lineWidthAvailable=version>=2.0;}var currentTextureSlot=null;var currentBoundTextures={};var currentScissor=new Vector4();var currentViewport=new Vector4();function createTexture(type,target,count){var data=new Uint8Array(4);// 4 is required to match default unpack alignment of 4. + var texture=gl.createTexture();gl.bindTexture(type,texture);gl.texParameteri(type,10241,9728);gl.texParameteri(type,10240,9728);for(var i=0;imaxSize||image.height>maxSize){scale=maxSize/Math.max(image.width,image.height);}// only perform resize if necessary + if(scale<1||needsPowerOfTwo===true){// only perform resize for certain image types + if(typeof HTMLImageElement!=='undefined'&&image instanceof HTMLImageElement||typeof HTMLCanvasElement!=='undefined'&&image instanceof HTMLCanvasElement||typeof ImageBitmap!=='undefined'&&image instanceof ImageBitmap){var floor=needsPowerOfTwo?_Math.floorPowerOfTwo:Math.floor;var width=floor(scale*image.width);var height=floor(scale*image.height);if(_canvas===undefined)_canvas=createCanvas(width,height);// cube textures can't reuse the same canvas + var canvas=needsNewCanvas?createCanvas(width,height):_canvas;canvas.width=width;canvas.height=height;var context=canvas.getContext('2d');context.drawImage(image,0,0,width,height);console.warn('THREE.WebGLRenderer: Texture has been resized from ('+image.width+'x'+image.height+') to ('+width+'x'+height+').');return canvas;}else{if('data'in image){console.warn('THREE.WebGLRenderer: Image in DataTexture is too big ('+image.width+'x'+image.height+').');}return image;}}return image;}function isPowerOfTwo(image){return _Math.isPowerOfTwo(image.width)&&_Math.isPowerOfTwo(image.height);}function textureNeedsPowerOfTwo(texture){if(isWebGL2)return false;return texture.wrapS!==ClampToEdgeWrapping||texture.wrapT!==ClampToEdgeWrapping||texture.minFilter!==NearestFilter&&texture.minFilter!==LinearFilter;}function textureNeedsGenerateMipmaps(texture,supportsMips){return texture.generateMipmaps&&supportsMips&&texture.minFilter!==NearestFilter&&texture.minFilter!==LinearFilter;}function generateMipmap(target,texture,width,height){_gl.generateMipmap(target);var textureProperties=properties.get(texture);// Note: Math.log( x ) * Math.LOG2E used instead of Math.log2( x ) which is not supported by IE11 + textureProperties.__maxMipLevel=Math.log(Math.max(width,height))*Math.LOG2E;}function getInternalFormat(glFormat,glType){if(isWebGL2===false)return glFormat;var internalFormat=glFormat;if(glFormat===6403){if(glType===5126)internalFormat=33326;if(glType===5131)internalFormat=33325;if(glType===5121)internalFormat=33321;}if(glFormat===6407){if(glType===5126)internalFormat=34837;if(glType===5131)internalFormat=34843;if(glType===5121)internalFormat=32849;}if(glFormat===6408){if(glType===5126)internalFormat=34836;if(glType===5131)internalFormat=34842;if(glType===5121)internalFormat=32856;}if(internalFormat===33325||internalFormat===33326||internalFormat===34842||internalFormat===34836){extensions.get('EXT_color_buffer_float');}else if(internalFormat===34843||internalFormat===34837){console.warn('THREE.WebGLRenderer: Floating point textures with RGB format not supported. Please use RGBA instead.');}return internalFormat;}// Fallback filters for non-power-of-2 textures + function filterFallback(f){if(f===NearestFilter||f===NearestMipmapNearestFilter||f===NearestMipmapLinearFilter){return 9728;}return 9729;}// + function onTextureDispose(event){var texture=event.target;texture.removeEventListener('dispose',onTextureDispose);deallocateTexture(texture);if(texture.isVideoTexture){_videoTextures["delete"](texture);}info.memory.textures--;}function onRenderTargetDispose(event){var renderTarget=event.target;renderTarget.removeEventListener('dispose',onRenderTargetDispose);deallocateRenderTarget(renderTarget);info.memory.textures--;}// + function deallocateTexture(texture){var textureProperties=properties.get(texture);if(textureProperties.__webglInit===undefined)return;_gl.deleteTexture(textureProperties.__webglTexture);properties.remove(texture);}function deallocateRenderTarget(renderTarget){var renderTargetProperties=properties.get(renderTarget);var textureProperties=properties.get(renderTarget.texture);if(!renderTarget)return;if(textureProperties.__webglTexture!==undefined){_gl.deleteTexture(textureProperties.__webglTexture);}if(renderTarget.depthTexture){renderTarget.depthTexture.dispose();}if(renderTarget.isWebGLRenderTargetCube){for(var i=0;i<6;i++){_gl.deleteFramebuffer(renderTargetProperties.__webglFramebuffer[i]);if(renderTargetProperties.__webglDepthbuffer)_gl.deleteRenderbuffer(renderTargetProperties.__webglDepthbuffer[i]);}}else{_gl.deleteFramebuffer(renderTargetProperties.__webglFramebuffer);if(renderTargetProperties.__webglDepthbuffer)_gl.deleteRenderbuffer(renderTargetProperties.__webglDepthbuffer);}if(renderTarget.isWebGLMultiviewRenderTarget){_gl.deleteTexture(renderTargetProperties.__webglColorTexture);_gl.deleteTexture(renderTargetProperties.__webglDepthStencilTexture);info.memory.textures-=2;for(var i=0,il=renderTargetProperties.__webglViewFramebuffers.length;i=maxTextures){console.warn('THREE.WebGLTextures: Trying to use '+textureUnit+' texture units while this GPU supports only '+maxTextures);}textureUnits+=1;return textureUnit;}// + function setTexture2D(texture,slot){var textureProperties=properties.get(texture);if(texture.isVideoTexture)updateVideoTexture(texture);if(texture.version>0&&textureProperties.__version!==texture.version){var image=texture.image;if(image===undefined){console.warn('THREE.WebGLRenderer: Texture marked for update but image is undefined');}else if(image.complete===false){console.warn('THREE.WebGLRenderer: Texture marked for update but image is incomplete');}else{uploadTexture(textureProperties,texture,slot);return;}}state.activeTexture(33984+slot);state.bindTexture(3553,textureProperties.__webglTexture);}function setTexture2DArray(texture,slot){var textureProperties=properties.get(texture);if(texture.version>0&&textureProperties.__version!==texture.version){uploadTexture(textureProperties,texture,slot);return;}state.activeTexture(33984+slot);state.bindTexture(35866,textureProperties.__webglTexture);}function setTexture3D(texture,slot){var textureProperties=properties.get(texture);if(texture.version>0&&textureProperties.__version!==texture.version){uploadTexture(textureProperties,texture,slot);return;}state.activeTexture(33984+slot);state.bindTexture(32879,textureProperties.__webglTexture);}function setTextureCube(texture,slot){if(texture.image.length!==6)return;var textureProperties=properties.get(texture);if(texture.version>0&&textureProperties.__version!==texture.version){initTexture(textureProperties,texture);state.activeTexture(33984+slot);state.bindTexture(34067,textureProperties.__webglTexture);_gl.pixelStorei(37440,texture.flipY);var isCompressed=texture&&texture.isCompressedTexture;var isDataTexture=texture.image[0]&&texture.image[0].isDataTexture;var cubeImage=[];for(var i=0;i<6;i++){if(!isCompressed&&!isDataTexture){cubeImage[i]=resizeImage(texture.image[i],false,true,maxCubemapSize);}else{cubeImage[i]=isDataTexture?texture.image[i].image:texture.image[i];}}var image=cubeImage[0],supportsMips=isPowerOfTwo(image)||isWebGL2,glFormat=utils.convert(texture.format),glType=utils.convert(texture.type),glInternalFormat=getInternalFormat(glFormat,glType);setTextureParameters(34067,texture,supportsMips);var mipmaps;if(isCompressed){for(var i=0;i<6;i++){mipmaps=cubeImage[i].mipmaps;for(var j=0;j1||properties.get(texture).__currentAnisotropy){_gl.texParameterf(textureType,extension.TEXTURE_MAX_ANISOTROPY_EXT,Math.min(texture.anisotropy,capabilities.getMaxAnisotropy()));properties.get(texture).__currentAnisotropy=texture.anisotropy;}}}function initTexture(textureProperties,texture){if(textureProperties.__webglInit===undefined){textureProperties.__webglInit=true;texture.addEventListener('dispose',onTextureDispose);textureProperties.__webglTexture=_gl.createTexture();info.memory.textures++;}}function uploadTexture(textureProperties,texture,slot){var textureType=3553;if(texture.isDataTexture2DArray)textureType=35866;if(texture.isDataTexture3D)textureType=32879;initTexture(textureProperties,texture);state.activeTexture(33984+slot);state.bindTexture(textureType,textureProperties.__webglTexture);_gl.pixelStorei(37440,texture.flipY);_gl.pixelStorei(37441,texture.premultiplyAlpha);_gl.pixelStorei(3317,texture.unpackAlignment);var needsPowerOfTwo=textureNeedsPowerOfTwo(texture)&&isPowerOfTwo(texture.image)===false;var image=resizeImage(texture.image,needsPowerOfTwo,false,maxTextureSize);var supportsMips=isPowerOfTwo(image)||isWebGL2,glFormat=utils.convert(texture.format),glType=utils.convert(texture.type),glInternalFormat=getInternalFormat(glFormat,glType);setTextureParameters(textureType,texture,supportsMips);var mipmap,mipmaps=texture.mipmaps;if(texture.isDepthTexture){// populate depth texture with dummy data + glInternalFormat=6402;if(texture.type===FloatType){if(isWebGL2===false)throw new Error('Float Depth Texture only supported in WebGL2.0');glInternalFormat=36012;}else if(isWebGL2){// WebGL 2.0 requires signed internalformat for glTexImage2D + glInternalFormat=33189;}if(texture.format===DepthFormat&&glInternalFormat===6402){// The error INVALID_OPERATION is generated by texImage2D if format and internalformat are + // DEPTH_COMPONENT and type is not UNSIGNED_SHORT or UNSIGNED_INT + // (https://www.khronos.org/registry/webgl/extensions/WEBGL_depth_texture/) + if(texture.type!==UnsignedShortType&&texture.type!==UnsignedIntType){console.warn('THREE.WebGLRenderer: Use UnsignedShortType or UnsignedIntType for DepthFormat DepthTexture.');texture.type=UnsignedShortType;glType=utils.convert(texture.type);}}// Depth stencil textures need the DEPTH_STENCIL internal format + // (https://www.khronos.org/registry/webgl/extensions/WEBGL_depth_texture/) + if(texture.format===DepthStencilFormat){glInternalFormat=34041;// The error INVALID_OPERATION is generated by texImage2D if format and internalformat are + // DEPTH_STENCIL and type is not UNSIGNED_INT_24_8_WEBGL. + // (https://www.khronos.org/registry/webgl/extensions/WEBGL_depth_texture/) + if(texture.type!==UnsignedInt248Type){console.warn('THREE.WebGLRenderer: Use UnsignedInt248Type for DepthStencilFormat DepthTexture.');texture.type=UnsignedInt248Type;glType=utils.convert(texture.type);}}state.texImage2D(3553,0,glInternalFormat,image.width,image.height,0,glFormat,glType,null);}else if(texture.isDataTexture){// use manually created mipmaps if available + // if there are no manual mipmaps + // set 0 level mipmap and then use GL to generate other mipmap levels + if(mipmaps.length>0&&supportsMips){for(var i=0,il=mipmaps.length;i0&&supportsMips){for(var i=0,il=mipmaps.length;imaxNumViews)return false;for(var i=1,il=cameras.length;i 1 ) { - - switch ( this.wrapS ) { - - case RepeatWrapping: - - uv.x = uv.x - Math.floor( uv.x ); - break; - - case ClampToEdgeWrapping: - - uv.x = uv.x < 0 ? 0 : 1; - break; - - case MirroredRepeatWrapping: - - if ( Math.abs( Math.floor( uv.x ) % 2 ) === 1 ) { - - uv.x = Math.ceil( uv.x ) - uv.x; - - } else { - - uv.x = uv.x - Math.floor( uv.x ); - - } - break; - - } - - } - - if ( uv.y < 0 || uv.y > 1 ) { - - switch ( this.wrapT ) { - - case RepeatWrapping: - - uv.y = uv.y - Math.floor( uv.y ); - break; - - case ClampToEdgeWrapping: - - uv.y = uv.y < 0 ? 0 : 1; - break; - - case MirroredRepeatWrapping: - - if ( Math.abs( Math.floor( uv.y ) % 2 ) === 1 ) { - - uv.y = Math.ceil( uv.y ) - uv.y; - - } else { - - uv.y = uv.y - Math.floor( uv.y ); - - } - break; - - } - - } - - if ( this.flipY ) { - - uv.y = 1 - uv.y; - - } - - return uv; - - } - - } ); - - Object.defineProperty( Texture.prototype, "needsUpdate", { - - set: function ( value ) { - - if ( value === true ) this.version ++; - - } - - } ); - - /** - * @author supereggbert / http://www.paulbrunt.co.uk/ - * @author philogb / http://blog.thejit.org/ + * @author tschw + */function WebGLRenderer(parameters){parameters=parameters||{};var _canvas=parameters.canvas!==undefined?parameters.canvas:document.createElementNS('http://www.w3.org/1999/xhtml','canvas'),_context=parameters.context!==undefined?parameters.context:null,_alpha=parameters.alpha!==undefined?parameters.alpha:false,_depth=parameters.depth!==undefined?parameters.depth:true,_stencil=parameters.stencil!==undefined?parameters.stencil:true,_antialias=parameters.antialias!==undefined?parameters.antialias:false,_premultipliedAlpha=parameters.premultipliedAlpha!==undefined?parameters.premultipliedAlpha:true,_preserveDrawingBuffer=parameters.preserveDrawingBuffer!==undefined?parameters.preserveDrawingBuffer:false,_powerPreference=parameters.powerPreference!==undefined?parameters.powerPreference:'default',_failIfMajorPerformanceCaveat=parameters.failIfMajorPerformanceCaveat!==undefined?parameters.failIfMajorPerformanceCaveat:false;var currentRenderList=null;var currentRenderState=null;// public properties + this.domElement=_canvas;// Debug configuration container + this.debug={/** + * Enables error checking and reporting when shader programs are being compiled + * @type {boolean} + */checkShaderErrors:true};// clearing + this.autoClear=true;this.autoClearColor=true;this.autoClearDepth=true;this.autoClearStencil=true;// scene graph + this.sortObjects=true;// user-defined clipping + this.clippingPlanes=[];this.localClippingEnabled=false;// physically based shading + this.gammaFactor=2.0;// for backwards compatibility + this.gammaInput=false;this.gammaOutput=false;// physical lights + this.physicallyCorrectLights=false;// tone mapping + this.toneMapping=LinearToneMapping;this.toneMappingExposure=1.0;this.toneMappingWhitePoint=1.0;// morphs + this.maxMorphTargets=8;this.maxMorphNormals=4;// internal properties + var _this=this,_isContextLost=false,// internal state cache + _framebuffer=null,_currentActiveCubeFace=0,_currentActiveMipmapLevel=0,_currentRenderTarget=null,_currentFramebuffer=null,_currentMaterialId=-1,// geometry and program caching + _currentGeometryProgram={geometry:null,program:null,wireframe:false},_currentCamera=null,_currentArrayCamera=null,_currentViewport=new Vector4(),_currentScissor=new Vector4(),_currentScissorTest=null,// + _width=_canvas.width,_height=_canvas.height,_pixelRatio=1,_viewport=new Vector4(0,0,_width,_height),_scissor=new Vector4(0,0,_width,_height),_scissorTest=false,// frustum + _frustum=new Frustum(),// clipping + _clipping=new WebGLClipping(),_clippingEnabled=false,_localClippingEnabled=false,// camera matrices cache + _projScreenMatrix=new Matrix4(),_vector3=new Vector3();function getTargetPixelRatio(){return _currentRenderTarget===null?_pixelRatio:1;}// initialize + var _gl;try{var contextAttributes={alpha:_alpha,depth:_depth,stencil:_stencil,antialias:_antialias,premultipliedAlpha:_premultipliedAlpha,preserveDrawingBuffer:_preserveDrawingBuffer,powerPreference:_powerPreference,failIfMajorPerformanceCaveat:_failIfMajorPerformanceCaveat,xrCompatible:true};// event listeners must be registered before WebGL context is created, see #12753 + _canvas.addEventListener('webglcontextlost',onContextLost,false);_canvas.addEventListener('webglcontextrestored',onContextRestore,false);_gl=_context||_canvas.getContext('webgl',contextAttributes)||_canvas.getContext('experimental-webgl',contextAttributes);if(_gl===null){if(_canvas.getContext('webgl')!==null){throw new Error('Error creating WebGL context with your selected attributes.');}else{throw new Error('Error creating WebGL context.');}}// Some experimental-webgl implementations do not have getShaderPrecisionFormat + if(_gl.getShaderPrecisionFormat===undefined){_gl.getShaderPrecisionFormat=function(){return {'rangeMin':1,'rangeMax':1,'precision':1};};}}catch(error){console.error('THREE.WebGLRenderer: '+error.message);throw error;}var extensions,capabilities,state,info;var properties,textures,attributes,geometries,objects;var programCache,renderLists,renderStates;var background,morphtargets,bufferRenderer,indexedBufferRenderer;var utils;function initGLContext(){extensions=new WebGLExtensions(_gl);capabilities=new WebGLCapabilities(_gl,extensions,parameters);if(capabilities.isWebGL2===false){extensions.get('WEBGL_depth_texture');extensions.get('OES_texture_float');extensions.get('OES_texture_half_float');extensions.get('OES_texture_half_float_linear');extensions.get('OES_standard_derivatives');extensions.get('OES_element_index_uint');extensions.get('ANGLE_instanced_arrays');}extensions.get('OES_texture_float_linear');utils=new WebGLUtils(_gl,extensions,capabilities);state=new WebGLState(_gl,extensions,capabilities);state.scissor(_currentScissor.copy(_scissor).multiplyScalar(_pixelRatio).floor());state.viewport(_currentViewport.copy(_viewport).multiplyScalar(_pixelRatio).floor());info=new WebGLInfo(_gl);properties=new WebGLProperties();textures=new WebGLTextures(_gl,extensions,state,properties,capabilities,utils,info);attributes=new WebGLAttributes(_gl);geometries=new WebGLGeometries(_gl,attributes,info);objects=new WebGLObjects(_gl,geometries,attributes,info);morphtargets=new WebGLMorphtargets(_gl);programCache=new WebGLPrograms(_this,extensions,capabilities);renderLists=new WebGLRenderLists();renderStates=new WebGLRenderStates();background=new WebGLBackground(_this,state,objects,_premultipliedAlpha);bufferRenderer=new WebGLBufferRenderer(_gl,extensions,info,capabilities);indexedBufferRenderer=new WebGLIndexedBufferRenderer(_gl,extensions,info,capabilities);info.programs=programCache.programs;_this.capabilities=capabilities;_this.extensions=extensions;_this.properties=properties;_this.renderLists=renderLists;_this.state=state;_this.info=info;}initGLContext();// vr + var vr=typeof navigator!=='undefined'&&'xr'in navigator&&'isSessionSupported'in navigator.xr?new WebXRManager(_this,_gl):new WebVRManager(_this);this.vr=vr;// Multiview + var multiview=new WebGLMultiview(_this,_gl);// shadow map + var shadowMap=new WebGLShadowMap(_this,objects,capabilities.maxTextureSize);this.shadowMap=shadowMap;// API + this.getContext=function(){return _gl;};this.getContextAttributes=function(){return _gl.getContextAttributes();};this.forceContextLoss=function(){var extension=extensions.get('WEBGL_lose_context');if(extension)extension.loseContext();};this.forceContextRestore=function(){var extension=extensions.get('WEBGL_lose_context');if(extension)extension.restoreContext();};this.getPixelRatio=function(){return _pixelRatio;};this.setPixelRatio=function(value){if(value===undefined)return;_pixelRatio=value;this.setSize(_width,_height,false);};this.getSize=function(target){if(target===undefined){console.warn('WebGLRenderer: .getsize() now requires a Vector2 as an argument');target=new Vector2();}return target.set(_width,_height);};this.setSize=function(width,height,updateStyle){if(vr.isPresenting()){console.warn('THREE.WebGLRenderer: Can\'t change size while VR device is presenting.');return;}_width=width;_height=height;_canvas.width=Math.floor(width*_pixelRatio);_canvas.height=Math.floor(height*_pixelRatio);if(updateStyle!==false){_canvas.style.width=width+'px';_canvas.style.height=height+'px';}this.setViewport(0,0,width,height);};this.getDrawingBufferSize=function(target){if(target===undefined){console.warn('WebGLRenderer: .getdrawingBufferSize() now requires a Vector2 as an argument');target=new Vector2();}return target.set(_width*_pixelRatio,_height*_pixelRatio).floor();};this.setDrawingBufferSize=function(width,height,pixelRatio){_width=width;_height=height;_pixelRatio=pixelRatio;_canvas.width=Math.floor(width*pixelRatio);_canvas.height=Math.floor(height*pixelRatio);this.setViewport(0,0,width,height);};this.getCurrentViewport=function(target){if(target===undefined){console.warn('WebGLRenderer: .getCurrentViewport() now requires a Vector4 as an argument');target=new Vector4();}return target.copy(_currentViewport);};this.getViewport=function(target){return target.copy(_viewport);};this.setViewport=function(x,y,width,height){if(x.isVector4){_viewport.set(x.x,x.y,x.z,x.w);}else{_viewport.set(x,y,width,height);}state.viewport(_currentViewport.copy(_viewport).multiplyScalar(_pixelRatio).floor());};this.getScissor=function(target){return target.copy(_scissor);};this.setScissor=function(x,y,width,height){if(x.isVector4){_scissor.set(x.x,x.y,x.z,x.w);}else{_scissor.set(x,y,width,height);}state.scissor(_currentScissor.copy(_scissor).multiplyScalar(_pixelRatio).floor());};this.getScissorTest=function(){return _scissorTest;};this.setScissorTest=function(boolean){state.setScissorTest(_scissorTest=boolean);};// Clearing + this.getClearColor=function(){return background.getClearColor();};this.setClearColor=function(){background.setClearColor.apply(background,arguments);};this.getClearAlpha=function(){return background.getClearAlpha();};this.setClearAlpha=function(){background.setClearAlpha.apply(background,arguments);};this.clear=function(color,depth,stencil){var bits=0;if(color===undefined||color)bits|=16384;if(depth===undefined||depth)bits|=256;if(stencil===undefined||stencil)bits|=1024;_gl.clear(bits);};this.clearColor=function(){this.clear(true,false,false);};this.clearDepth=function(){this.clear(false,true,false);};this.clearStencil=function(){this.clear(false,false,true);};// + this.dispose=function(){_canvas.removeEventListener('webglcontextlost',onContextLost,false);_canvas.removeEventListener('webglcontextrestored',onContextRestore,false);renderLists.dispose();renderStates.dispose();properties.dispose();objects.dispose();vr.dispose();animation.stop();};// Events + function onContextLost(event){event.preventDefault();console.log('THREE.WebGLRenderer: Context Lost.');_isContextLost=true;}function onContextRestore()/* event */{console.log('THREE.WebGLRenderer: Context Restored.');_isContextLost=false;initGLContext();}function onMaterialDispose(event){var material=event.target;material.removeEventListener('dispose',onMaterialDispose);deallocateMaterial(material);}// Buffer deallocation + function deallocateMaterial(material){releaseMaterialProgramReference(material);properties.remove(material);}function releaseMaterialProgramReference(material){var programInfo=properties.get(material).program;material.program=undefined;if(programInfo!==undefined){programCache.releaseProgram(programInfo);}}// Buffer rendering + function renderObjectImmediate(object,program){object.render(function(object){_this.renderBufferImmediate(object,program);});}this.renderBufferImmediate=function(object,program){state.initAttributes();var buffers=properties.get(object);if(object.hasPositions&&!buffers.position)buffers.position=_gl.createBuffer();if(object.hasNormals&&!buffers.normal)buffers.normal=_gl.createBuffer();if(object.hasUvs&&!buffers.uv)buffers.uv=_gl.createBuffer();if(object.hasColors&&!buffers.color)buffers.color=_gl.createBuffer();var programAttributes=program.getAttributes();if(object.hasPositions){_gl.bindBuffer(34962,buffers.position);_gl.bufferData(34962,object.positionArray,35048);state.enableAttribute(programAttributes.position);_gl.vertexAttribPointer(programAttributes.position,3,5126,false,0,0);}if(object.hasNormals){_gl.bindBuffer(34962,buffers.normal);_gl.bufferData(34962,object.normalArray,35048);state.enableAttribute(programAttributes.normal);_gl.vertexAttribPointer(programAttributes.normal,3,5126,false,0,0);}if(object.hasUvs){_gl.bindBuffer(34962,buffers.uv);_gl.bufferData(34962,object.uvArray,35048);state.enableAttribute(programAttributes.uv);_gl.vertexAttribPointer(programAttributes.uv,2,5126,false,0,0);}if(object.hasColors){_gl.bindBuffer(34962,buffers.color);_gl.bufferData(34962,object.colorArray,35048);state.enableAttribute(programAttributes.color);_gl.vertexAttribPointer(programAttributes.color,3,5126,false,0,0);}state.disableUnusedAttributes();_gl.drawArrays(4,0,object.count);object.count=0;};this.renderBufferDirect=function(camera,fog,geometry,material,object,group){var frontFaceCW=object.isMesh&&object.matrixWorld.determinant()<0;state.setMaterial(material,frontFaceCW);var program=setProgram(camera,fog,material,object);var updateBuffers=false;if(_currentGeometryProgram.geometry!==geometry.id||_currentGeometryProgram.program!==program.id||_currentGeometryProgram.wireframe!==(material.wireframe===true)){_currentGeometryProgram.geometry=geometry.id;_currentGeometryProgram.program=program.id;_currentGeometryProgram.wireframe=material.wireframe===true;updateBuffers=true;}if(object.morphTargetInfluences){morphtargets.update(object,geometry,material,program);updateBuffers=true;}// + var index=geometry.index;var position=geometry.attributes.position;var rangeFactor=1;if(material.wireframe===true){index=geometries.getWireframeAttribute(geometry);rangeFactor=2;}var attribute;var renderer=bufferRenderer;if(index!==null){attribute=attributes.get(index);renderer=indexedBufferRenderer;renderer.setIndex(attribute);}if(updateBuffers){setupVertexAttributes(object,geometry,material,program);if(index!==null){_gl.bindBuffer(34963,attribute.buffer);}}// + var dataCount=Infinity;if(index!==null){dataCount=index.count;}else if(position!==undefined){dataCount=position.count;}var rangeStart=geometry.drawRange.start*rangeFactor;var rangeCount=geometry.drawRange.count*rangeFactor;var groupStart=group!==null?group.start*rangeFactor:0;var groupCount=group!==null?group.count*rangeFactor:Infinity;var drawStart=Math.max(rangeStart,groupStart);var drawEnd=Math.min(dataCount,rangeStart+rangeCount,groupStart+groupCount)-1;var drawCount=Math.max(0,drawEnd-drawStart+1);if(drawCount===0)return;// + if(object.isMesh){if(material.wireframe===true){state.setLineWidth(material.wireframeLinewidth*getTargetPixelRatio());renderer.setMode(1);}else{switch(object.drawMode){case TrianglesDrawMode:renderer.setMode(4);break;case TriangleStripDrawMode:renderer.setMode(5);break;case TriangleFanDrawMode:renderer.setMode(6);break;}}}else if(object.isLine){var lineWidth=material.linewidth;if(lineWidth===undefined)lineWidth=1;// Not using Line*Material + state.setLineWidth(lineWidth*getTargetPixelRatio());if(object.isLineSegments){renderer.setMode(1);}else if(object.isLineLoop){renderer.setMode(2);}else{renderer.setMode(3);}}else if(object.isPoints){renderer.setMode(0);}else if(object.isSprite){renderer.setMode(4);}if(object.isInstancedMesh){renderer.renderInstances(geometry,drawStart,drawCount,object.count);}else if(geometry.isInstancedBufferGeometry){renderer.renderInstances(geometry,drawStart,drawCount,geometry.maxInstancedCount);}else{renderer.render(drawStart,drawCount);}};function setupVertexAttributes(object,geometry,material,program){if(capabilities.isWebGL2===false&&(object.isInstancedMesh||geometry.isInstancedBufferGeometry)){if(extensions.get('ANGLE_instanced_arrays')===null)return;}state.initAttributes();var geometryAttributes=geometry.attributes;var programAttributes=program.getAttributes();var materialDefaultAttributeValues=material.defaultAttributeValues;for(var name in programAttributes){var programAttribute=programAttributes[name];if(programAttribute>=0){var geometryAttribute=geometryAttributes[name];if(geometryAttribute!==undefined){var normalized=geometryAttribute.normalized;var size=geometryAttribute.itemSize;var attribute=attributes.get(geometryAttribute);// TODO Attribute may not be available on context restore + if(attribute===undefined)continue;var buffer=attribute.buffer;var type=attribute.type;var bytesPerElement=attribute.bytesPerElement;if(geometryAttribute.isInterleavedBufferAttribute){var data=geometryAttribute.data;var stride=data.stride;var offset=geometryAttribute.offset;if(data&&data.isInstancedInterleavedBuffer){state.enableAttributeAndDivisor(programAttribute,data.meshPerAttribute);if(geometry.maxInstancedCount===undefined){geometry.maxInstancedCount=data.meshPerAttribute*data.count;}}else{state.enableAttribute(programAttribute);}_gl.bindBuffer(34962,buffer);_gl.vertexAttribPointer(programAttribute,size,type,normalized,stride*bytesPerElement,offset*bytesPerElement);}else{if(geometryAttribute.isInstancedBufferAttribute){state.enableAttributeAndDivisor(programAttribute,geometryAttribute.meshPerAttribute);if(geometry.maxInstancedCount===undefined){geometry.maxInstancedCount=geometryAttribute.meshPerAttribute*geometryAttribute.count;}}else{state.enableAttribute(programAttribute);}_gl.bindBuffer(34962,buffer);_gl.vertexAttribPointer(programAttribute,size,type,normalized,0,0);}}else if(name==='instanceMatrix'){var attribute=attributes.get(object.instanceMatrix);// TODO Attribute may not be available on context restore + if(attribute===undefined)continue;var buffer=attribute.buffer;var type=attribute.type;state.enableAttributeAndDivisor(programAttribute+0,1);state.enableAttributeAndDivisor(programAttribute+1,1);state.enableAttributeAndDivisor(programAttribute+2,1);state.enableAttributeAndDivisor(programAttribute+3,1);_gl.bindBuffer(34962,buffer);_gl.vertexAttribPointer(programAttribute+0,4,type,false,64,0);_gl.vertexAttribPointer(programAttribute+1,4,type,false,64,16);_gl.vertexAttribPointer(programAttribute+2,4,type,false,64,32);_gl.vertexAttribPointer(programAttribute+3,4,type,false,64,48);}else if(materialDefaultAttributeValues!==undefined){var value=materialDefaultAttributeValues[name];if(value!==undefined){switch(value.length){case 2:_gl.vertexAttrib2fv(programAttribute,value);break;case 3:_gl.vertexAttrib3fv(programAttribute,value);break;case 4:_gl.vertexAttrib4fv(programAttribute,value);break;default:_gl.vertexAttrib1fv(programAttribute,value);}}}}}state.disableUnusedAttributes();}// Compile + this.compile=function(scene,camera){currentRenderState=renderStates.get(scene,camera);currentRenderState.init();scene.traverse(function(object){if(object.isLight){currentRenderState.pushLight(object);if(object.castShadow){currentRenderState.pushShadow(object);}}});currentRenderState.setupLights(camera);scene.traverse(function(object){if(object.material){if(Array.isArray(object.material)){for(var i=0;i=0){material.numSupportedMorphTargets++;}}}if(material.morphNormals){material.numSupportedMorphNormals=0;for(var i=0;i<_this.maxMorphNormals;i++){if(programAttributes['morphNormal'+i]>=0){material.numSupportedMorphNormals++;}}}var uniforms=materialProperties.shader.uniforms;if(!material.isShaderMaterial&&!material.isRawShaderMaterial||material.clipping===true){materialProperties.numClippingPlanes=_clipping.numPlanes;materialProperties.numIntersection=_clipping.numIntersection;uniforms.clippingPlanes=_clipping.uniform;}materialProperties.fog=fog;// store the light setup it was created for + materialProperties.needsLights=materialNeedsLights(material);materialProperties.lightsStateVersion=lightsStateVersion;if(materialProperties.needsLights){// wire up the material to this renderer's lighting state + uniforms.ambientLightColor.value=lights.state.ambient;uniforms.lightProbe.value=lights.state.probe;uniforms.directionalLights.value=lights.state.directional;uniforms.spotLights.value=lights.state.spot;uniforms.rectAreaLights.value=lights.state.rectArea;uniforms.pointLights.value=lights.state.point;uniforms.hemisphereLights.value=lights.state.hemi;uniforms.directionalShadowMap.value=lights.state.directionalShadowMap;uniforms.directionalShadowMatrix.value=lights.state.directionalShadowMatrix;uniforms.spotShadowMap.value=lights.state.spotShadowMap;uniforms.spotShadowMatrix.value=lights.state.spotShadowMatrix;uniforms.pointShadowMap.value=lights.state.pointShadowMap;uniforms.pointShadowMatrix.value=lights.state.pointShadowMatrix;// TODO (abelnation): add area lights shadow info to uniforms + }var progUniforms=materialProperties.program.getUniforms(),uniformsList=WebGLUniforms.seqWithValue(progUniforms.seq,uniforms);materialProperties.uniformsList=uniformsList;}function setProgram(camera,fog,material,object){textures.resetTextureUnits();var materialProperties=properties.get(material);var lights=currentRenderState.state.lights;if(_clippingEnabled){if(_localClippingEnabled||camera!==_currentCamera){var useCache=camera===_currentCamera&&material.id===_currentMaterialId;// we might want to call this function with some ClippingGroup + // object instead of the material, once it becomes feasible + // (#8465, #8379) + _clipping.setState(material.clippingPlanes,material.clipIntersection,material.clipShadows,camera,materialProperties,useCache);}}if(material.needsUpdate===false){if(materialProperties.program===undefined){material.needsUpdate=true;}else if(material.fog&&materialProperties.fog!==fog){material.needsUpdate=true;}else if(materialProperties.needsLights&&materialProperties.lightsStateVersion!==lights.state.version){material.needsUpdate=true;}else if(materialProperties.numClippingPlanes!==undefined&&(materialProperties.numClippingPlanes!==_clipping.numPlanes||materialProperties.numIntersection!==_clipping.numIntersection)){material.needsUpdate=true;}}if(material.needsUpdate){initMaterial(material,fog,object);material.needsUpdate=false;}var refreshProgram=false;var refreshMaterial=false;var refreshLights=false;var program=materialProperties.program,p_uniforms=program.getUniforms(),m_uniforms=materialProperties.shader.uniforms;if(state.useProgram(program.program)){refreshProgram=true;refreshMaterial=true;refreshLights=true;}if(material.id!==_currentMaterialId){_currentMaterialId=material.id;refreshMaterial=true;}if(refreshProgram||_currentCamera!==camera){if(program.numMultiviewViews>0){multiview.updateCameraProjectionMatricesUniform(camera,p_uniforms);}else{p_uniforms.setValue(_gl,'projectionMatrix',camera.projectionMatrix);}if(capabilities.logarithmicDepthBuffer){p_uniforms.setValue(_gl,'logDepthBufFC',2.0/(Math.log(camera.far+1.0)/Math.LN2));}if(_currentCamera!==camera){_currentCamera=camera;// lighting uniforms depend on the camera so enforce an update + // now, in case this material supports lights - or later, when + // the next material that does gets activated: + refreshMaterial=true;// set to true on material change + refreshLights=true;// remains set until update done + }// load material specific uniforms + // (shader material also gets them for the sake of genericity) + if(material.isShaderMaterial||material.isMeshPhongMaterial||material.isMeshStandardMaterial||material.envMap){var uCamPos=p_uniforms.map.cameraPosition;if(uCamPos!==undefined){uCamPos.setValue(_gl,_vector3.setFromMatrixPosition(camera.matrixWorld));}}if(material.isMeshPhongMaterial||material.isMeshLambertMaterial||material.isMeshBasicMaterial||material.isMeshStandardMaterial||material.isShaderMaterial){p_uniforms.setValue(_gl,'isOrthographic',camera.isOrthographicCamera===true);}if(material.isMeshPhongMaterial||material.isMeshLambertMaterial||material.isMeshBasicMaterial||material.isMeshStandardMaterial||material.isShaderMaterial||material.skinning){if(program.numMultiviewViews>0){multiview.updateCameraViewMatricesUniform(camera,p_uniforms);}else{p_uniforms.setValue(_gl,'viewMatrix',camera.matrixWorldInverse);}}}// skinning uniforms must be set even if material didn't change + // auto-setting of texture unit for bone texture must go before other textures + // not sure why, but otherwise weird things happen + if(material.skinning){p_uniforms.setOptional(_gl,object,'bindMatrix');p_uniforms.setOptional(_gl,object,'bindMatrixInverse');var skeleton=object.skeleton;if(skeleton){var bones=skeleton.bones;if(capabilities.floatVertexTextures){if(skeleton.boneTexture===undefined){// layout (1 matrix = 4 pixels) + // RGBA RGBA RGBA RGBA (=> column1, column2, column3, column4) + // with 8x8 pixel texture max 16 bones * 4 pixels = (8 * 8) + // 16x16 pixel texture max 64 bones * 4 pixels = (16 * 16) + // 32x32 pixel texture max 256 bones * 4 pixels = (32 * 32) + // 64x64 pixel texture max 1024 bones * 4 pixels = (64 * 64) + var size=Math.sqrt(bones.length*4);// 4 pixels needed for 1 matrix + size=_Math.ceilPowerOfTwo(size);size=Math.max(size,4);var boneMatrices=new Float32Array(size*size*4);// 4 floats per RGBA pixel + boneMatrices.set(skeleton.boneMatrices);// copy current values + var boneTexture=new DataTexture(boneMatrices,size,size,RGBAFormat,FloatType);skeleton.boneMatrices=boneMatrices;skeleton.boneTexture=boneTexture;skeleton.boneTextureSize=size;}p_uniforms.setValue(_gl,'boneTexture',skeleton.boneTexture,textures);p_uniforms.setValue(_gl,'boneTextureSize',skeleton.boneTextureSize);}else{p_uniforms.setOptional(_gl,skeleton,'boneMatrices');}}}if(refreshMaterial||materialProperties.receiveShadow!==object.receiveShadow){materialProperties.receiveShadow=object.receiveShadow;p_uniforms.setValue(_gl,'receiveShadow',object.receiveShadow);}if(refreshMaterial){p_uniforms.setValue(_gl,'toneMappingExposure',_this.toneMappingExposure);p_uniforms.setValue(_gl,'toneMappingWhitePoint',_this.toneMappingWhitePoint);if(materialProperties.needsLights){// the current material requires lighting info + // note: all lighting uniforms are always set correctly + // they simply reference the renderer's state for their + // values + // + // use the current material's .needsUpdate flags to set + // the GL state when required + markUniformsLightsNeedsUpdate(m_uniforms,refreshLights);}// refresh uniforms common to several materials + if(fog&&material.fog){refreshUniformsFog(m_uniforms,fog);}if(material.isMeshBasicMaterial){refreshUniformsCommon(m_uniforms,material);}else if(material.isMeshLambertMaterial){refreshUniformsCommon(m_uniforms,material);refreshUniformsLambert(m_uniforms,material);}else if(material.isMeshPhongMaterial){refreshUniformsCommon(m_uniforms,material);if(material.isMeshToonMaterial){refreshUniformsToon(m_uniforms,material);}else{refreshUniformsPhong(m_uniforms,material);}}else if(material.isMeshStandardMaterial){refreshUniformsCommon(m_uniforms,material);if(material.isMeshPhysicalMaterial){refreshUniformsPhysical(m_uniforms,material);}else{refreshUniformsStandard(m_uniforms,material);}}else if(material.isMeshMatcapMaterial){refreshUniformsCommon(m_uniforms,material);refreshUniformsMatcap(m_uniforms,material);}else if(material.isMeshDepthMaterial){refreshUniformsCommon(m_uniforms,material);refreshUniformsDepth(m_uniforms,material);}else if(material.isMeshDistanceMaterial){refreshUniformsCommon(m_uniforms,material);refreshUniformsDistance(m_uniforms,material);}else if(material.isMeshNormalMaterial){refreshUniformsCommon(m_uniforms,material);refreshUniformsNormal(m_uniforms,material);}else if(material.isLineBasicMaterial){refreshUniformsLine(m_uniforms,material);if(material.isLineDashedMaterial){refreshUniformsDash(m_uniforms,material);}}else if(material.isPointsMaterial){refreshUniformsPoints(m_uniforms,material);}else if(material.isSpriteMaterial){refreshUniformsSprites(m_uniforms,material);}else if(material.isShadowMaterial){m_uniforms.color.value.copy(material.color);m_uniforms.opacity.value=material.opacity;}// RectAreaLight Texture + // TODO (mrdoob): Find a nicer implementation + if(m_uniforms.ltc_1!==undefined)m_uniforms.ltc_1.value=UniformsLib.LTC_1;if(m_uniforms.ltc_2!==undefined)m_uniforms.ltc_2.value=UniformsLib.LTC_2;WebGLUniforms.upload(_gl,materialProperties.uniformsList,m_uniforms,textures);if(material.isShaderMaterial){material.uniformsNeedUpdate=false;// #15581 + }}if(material.isShaderMaterial&&material.uniformsNeedUpdate===true){WebGLUniforms.upload(_gl,materialProperties.uniformsList,m_uniforms,textures);material.uniformsNeedUpdate=false;}if(material.isSpriteMaterial){p_uniforms.setValue(_gl,'center',object.center);}// common matrices + if(program.numMultiviewViews>0){multiview.updateObjectMatricesUniforms(object,camera,p_uniforms);}else{p_uniforms.setValue(_gl,'modelViewMatrix',object.modelViewMatrix);p_uniforms.setValue(_gl,'normalMatrix',object.normalMatrix);}p_uniforms.setValue(_gl,'modelMatrix',object.matrixWorld);return program;}// Uniforms (refresh uniforms objects) + function refreshUniformsCommon(uniforms,material){uniforms.opacity.value=material.opacity;if(material.color){uniforms.diffuse.value.copy(material.color);}if(material.emissive){uniforms.emissive.value.copy(material.emissive).multiplyScalar(material.emissiveIntensity);}if(material.map){uniforms.map.value=material.map;}if(material.alphaMap){uniforms.alphaMap.value=material.alphaMap;}if(material.specularMap){uniforms.specularMap.value=material.specularMap;}if(material.envMap){uniforms.envMap.value=material.envMap;// don't flip CubeTexture envMaps, flip everything else: + // WebGLRenderTargetCube will be flipped for backwards compatibility + // WebGLRenderTargetCube.texture will be flipped because it's a Texture and NOT a CubeTexture + // this check must be handled differently, or removed entirely, if WebGLRenderTargetCube uses a CubeTexture in the future + uniforms.flipEnvMap.value=material.envMap.isCubeTexture?-1:1;uniforms.reflectivity.value=material.reflectivity;uniforms.refractionRatio.value=material.refractionRatio;uniforms.maxMipLevel.value=properties.get(material.envMap).__maxMipLevel;}if(material.lightMap){uniforms.lightMap.value=material.lightMap;uniforms.lightMapIntensity.value=material.lightMapIntensity;}if(material.aoMap){uniforms.aoMap.value=material.aoMap;uniforms.aoMapIntensity.value=material.aoMapIntensity;}// uv repeat and offset setting priorities + // 1. color map + // 2. specular map + // 3. normal map + // 4. bump map + // 5. alpha map + // 6. emissive map + var uvScaleMap;if(material.map){uvScaleMap=material.map;}else if(material.specularMap){uvScaleMap=material.specularMap;}else if(material.displacementMap){uvScaleMap=material.displacementMap;}else if(material.normalMap){uvScaleMap=material.normalMap;}else if(material.bumpMap){uvScaleMap=material.bumpMap;}else if(material.roughnessMap){uvScaleMap=material.roughnessMap;}else if(material.metalnessMap){uvScaleMap=material.metalnessMap;}else if(material.alphaMap){uvScaleMap=material.alphaMap;}else if(material.emissiveMap){uvScaleMap=material.emissiveMap;}if(uvScaleMap!==undefined){// backwards compatibility + if(uvScaleMap.isWebGLRenderTarget){uvScaleMap=uvScaleMap.texture;}if(uvScaleMap.matrixAutoUpdate===true){uvScaleMap.updateMatrix();}uniforms.uvTransform.value.copy(uvScaleMap.matrix);}}function refreshUniformsLine(uniforms,material){uniforms.diffuse.value.copy(material.color);uniforms.opacity.value=material.opacity;}function refreshUniformsDash(uniforms,material){uniforms.dashSize.value=material.dashSize;uniforms.totalSize.value=material.dashSize+material.gapSize;uniforms.scale.value=material.scale;}function refreshUniformsPoints(uniforms,material){uniforms.diffuse.value.copy(material.color);uniforms.opacity.value=material.opacity;uniforms.size.value=material.size*_pixelRatio;uniforms.scale.value=_height*0.5;if(material.map){uniforms.map.value=material.map;}if(material.alphaMap){uniforms.alphaMap.value=material.alphaMap;}// uv repeat and offset setting priorities + // 1. color map + // 2. alpha map + var uvScaleMap;if(material.map){uvScaleMap=material.map;}else if(material.alphaMap){uvScaleMap=material.alphaMap;}if(uvScaleMap!==undefined){if(uvScaleMap.matrixAutoUpdate===true){uvScaleMap.updateMatrix();}uniforms.uvTransform.value.copy(uvScaleMap.matrix);}}function refreshUniformsSprites(uniforms,material){uniforms.diffuse.value.copy(material.color);uniforms.opacity.value=material.opacity;uniforms.rotation.value=material.rotation;if(material.map){uniforms.map.value=material.map;}if(material.alphaMap){uniforms.alphaMap.value=material.alphaMap;}// uv repeat and offset setting priorities + // 1. color map + // 2. alpha map + var uvScaleMap;if(material.map){uvScaleMap=material.map;}else if(material.alphaMap){uvScaleMap=material.alphaMap;}if(uvScaleMap!==undefined){if(uvScaleMap.matrixAutoUpdate===true){uvScaleMap.updateMatrix();}uniforms.uvTransform.value.copy(uvScaleMap.matrix);}}function refreshUniformsFog(uniforms,fog){uniforms.fogColor.value.copy(fog.color);if(fog.isFog){uniforms.fogNear.value=fog.near;uniforms.fogFar.value=fog.far;}else if(fog.isFogExp2){uniforms.fogDensity.value=fog.density;}}function refreshUniformsLambert(uniforms,material){if(material.emissiveMap){uniforms.emissiveMap.value=material.emissiveMap;}}function refreshUniformsPhong(uniforms,material){uniforms.specular.value.copy(material.specular);uniforms.shininess.value=Math.max(material.shininess,1e-4);// to prevent pow( 0.0, 0.0 ) + if(material.emissiveMap){uniforms.emissiveMap.value=material.emissiveMap;}if(material.bumpMap){uniforms.bumpMap.value=material.bumpMap;uniforms.bumpScale.value=material.bumpScale;if(material.side===BackSide)uniforms.bumpScale.value*=-1;}if(material.normalMap){uniforms.normalMap.value=material.normalMap;uniforms.normalScale.value.copy(material.normalScale);if(material.side===BackSide)uniforms.normalScale.value.negate();}if(material.displacementMap){uniforms.displacementMap.value=material.displacementMap;uniforms.displacementScale.value=material.displacementScale;uniforms.displacementBias.value=material.displacementBias;}}function refreshUniformsToon(uniforms,material){refreshUniformsPhong(uniforms,material);if(material.gradientMap){uniforms.gradientMap.value=material.gradientMap;}}function refreshUniformsStandard(uniforms,material){uniforms.roughness.value=material.roughness;uniforms.metalness.value=material.metalness;if(material.roughnessMap){uniforms.roughnessMap.value=material.roughnessMap;}if(material.metalnessMap){uniforms.metalnessMap.value=material.metalnessMap;}if(material.emissiveMap){uniforms.emissiveMap.value=material.emissiveMap;}if(material.bumpMap){uniforms.bumpMap.value=material.bumpMap;uniforms.bumpScale.value=material.bumpScale;if(material.side===BackSide)uniforms.bumpScale.value*=-1;}if(material.normalMap){uniforms.normalMap.value=material.normalMap;uniforms.normalScale.value.copy(material.normalScale);if(material.side===BackSide)uniforms.normalScale.value.negate();}if(material.displacementMap){uniforms.displacementMap.value=material.displacementMap;uniforms.displacementScale.value=material.displacementScale;uniforms.displacementBias.value=material.displacementBias;}if(material.envMap){//uniforms.envMap.value = material.envMap; // part of uniforms common + uniforms.envMapIntensity.value=material.envMapIntensity;}}function refreshUniformsPhysical(uniforms,material){refreshUniformsStandard(uniforms,material);uniforms.reflectivity.value=material.reflectivity;// also part of uniforms common + uniforms.clearcoat.value=material.clearcoat;uniforms.clearcoatRoughness.value=material.clearcoatRoughness;if(material.sheen)uniforms.sheen.value.copy(material.sheen);if(material.clearcoatNormalMap){uniforms.clearcoatNormalScale.value.copy(material.clearcoatNormalScale);uniforms.clearcoatNormalMap.value=material.clearcoatNormalMap;if(material.side===BackSide){uniforms.clearcoatNormalScale.value.negate();}}uniforms.transparency.value=material.transparency;}function refreshUniformsMatcap(uniforms,material){if(material.matcap){uniforms.matcap.value=material.matcap;}if(material.bumpMap){uniforms.bumpMap.value=material.bumpMap;uniforms.bumpScale.value=material.bumpScale;if(material.side===BackSide)uniforms.bumpScale.value*=-1;}if(material.normalMap){uniforms.normalMap.value=material.normalMap;uniforms.normalScale.value.copy(material.normalScale);if(material.side===BackSide)uniforms.normalScale.value.negate();}if(material.displacementMap){uniforms.displacementMap.value=material.displacementMap;uniforms.displacementScale.value=material.displacementScale;uniforms.displacementBias.value=material.displacementBias;}}function refreshUniformsDepth(uniforms,material){if(material.displacementMap){uniforms.displacementMap.value=material.displacementMap;uniforms.displacementScale.value=material.displacementScale;uniforms.displacementBias.value=material.displacementBias;}}function refreshUniformsDistance(uniforms,material){if(material.displacementMap){uniforms.displacementMap.value=material.displacementMap;uniforms.displacementScale.value=material.displacementScale;uniforms.displacementBias.value=material.displacementBias;}uniforms.referencePosition.value.copy(material.referencePosition);uniforms.nearDistance.value=material.nearDistance;uniforms.farDistance.value=material.farDistance;}function refreshUniformsNormal(uniforms,material){if(material.bumpMap){uniforms.bumpMap.value=material.bumpMap;uniforms.bumpScale.value=material.bumpScale;if(material.side===BackSide)uniforms.bumpScale.value*=-1;}if(material.normalMap){uniforms.normalMap.value=material.normalMap;uniforms.normalScale.value.copy(material.normalScale);if(material.side===BackSide)uniforms.normalScale.value.negate();}if(material.displacementMap){uniforms.displacementMap.value=material.displacementMap;uniforms.displacementScale.value=material.displacementScale;uniforms.displacementBias.value=material.displacementBias;}}// If uniforms are marked as clean, they don't need to be loaded to the GPU. + function markUniformsLightsNeedsUpdate(uniforms,value){uniforms.ambientLightColor.needsUpdate=value;uniforms.lightProbe.needsUpdate=value;uniforms.directionalLights.needsUpdate=value;uniforms.pointLights.needsUpdate=value;uniforms.spotLights.needsUpdate=value;uniforms.rectAreaLights.needsUpdate=value;uniforms.hemisphereLights.needsUpdate=value;}function materialNeedsLights(material){return material.isMeshLambertMaterial||material.isMeshPhongMaterial||material.isMeshStandardMaterial||material.isShadowMaterial||material.isShaderMaterial&&material.lights===true;}// + this.setFramebuffer=function(value){if(_framebuffer!==value&&_currentRenderTarget===null)_gl.bindFramebuffer(36160,value);_framebuffer=value;};this.getActiveCubeFace=function(){return _currentActiveCubeFace;};this.getActiveMipmapLevel=function(){return _currentActiveMipmapLevel;};this.getRenderTarget=function(){return _currentRenderTarget;};this.setRenderTarget=function(renderTarget,activeCubeFace,activeMipmapLevel){_currentRenderTarget=renderTarget;_currentActiveCubeFace=activeCubeFace;_currentActiveMipmapLevel=activeMipmapLevel;if(renderTarget&&properties.get(renderTarget).__webglFramebuffer===undefined){textures.setupRenderTarget(renderTarget);}var framebuffer=_framebuffer;var isCube=false;if(renderTarget){var __webglFramebuffer=properties.get(renderTarget).__webglFramebuffer;if(renderTarget.isWebGLRenderTargetCube){framebuffer=__webglFramebuffer[activeCubeFace||0];isCube=true;}else if(renderTarget.isWebGLMultisampleRenderTarget){framebuffer=properties.get(renderTarget).__webglMultisampledFramebuffer;}else{framebuffer=__webglFramebuffer;}_currentViewport.copy(renderTarget.viewport);_currentScissor.copy(renderTarget.scissor);_currentScissorTest=renderTarget.scissorTest;}else{_currentViewport.copy(_viewport).multiplyScalar(_pixelRatio).floor();_currentScissor.copy(_scissor).multiplyScalar(_pixelRatio).floor();_currentScissorTest=_scissorTest;}if(_currentFramebuffer!==framebuffer){_gl.bindFramebuffer(36160,framebuffer);_currentFramebuffer=framebuffer;}state.viewport(_currentViewport);state.scissor(_currentScissor);state.setScissorTest(_currentScissorTest);if(isCube){var textureProperties=properties.get(renderTarget.texture);_gl.framebufferTexture2D(36160,36064,34069+(activeCubeFace||0),textureProperties.__webglTexture,activeMipmapLevel||0);}};this.readRenderTargetPixels=function(renderTarget,x,y,width,height,buffer,activeCubeFaceIndex){if(!(renderTarget&&renderTarget.isWebGLRenderTarget)){console.error('THREE.WebGLRenderer.readRenderTargetPixels: renderTarget is not THREE.WebGLRenderTarget.');return;}var framebuffer=properties.get(renderTarget).__webglFramebuffer;if(renderTarget.isWebGLRenderTargetCube&&activeCubeFaceIndex!==undefined){framebuffer=framebuffer[activeCubeFaceIndex];}if(framebuffer){var restore=false;if(framebuffer!==_currentFramebuffer){_gl.bindFramebuffer(36160,framebuffer);restore=true;}try{var texture=renderTarget.texture;var textureFormat=texture.format;var textureType=texture.type;if(textureFormat!==RGBAFormat&&utils.convert(textureFormat)!==_gl.getParameter(35739)){console.error('THREE.WebGLRenderer.readRenderTargetPixels: renderTarget is not in RGBA or implementation defined format.');return;}if(textureType!==UnsignedByteType&&utils.convert(textureType)!==_gl.getParameter(35738)&&// IE11, Edge and Chrome Mac < 52 (#9513) + !(textureType===FloatType&&(capabilities.isWebGL2||extensions.get('OES_texture_float')||extensions.get('WEBGL_color_buffer_float')))&&// Chrome Mac >= 52 and Firefox + !(textureType===HalfFloatType&&(capabilities.isWebGL2?extensions.get('EXT_color_buffer_float'):extensions.get('EXT_color_buffer_half_float')))){console.error('THREE.WebGLRenderer.readRenderTargetPixels: renderTarget is not in UnsignedByteType or implementation defined type.');return;}if(_gl.checkFramebufferStatus(36160)===36053){// the following if statement ensures valid read requests (no out-of-bounds pixels, see #8604) + if(x>=0&&x<=renderTarget.width-width&&y>=0&&y<=renderTarget.height-height){_gl.readPixels(x,y,width,height,utils.convert(textureFormat),utils.convert(textureType),buffer);}}else{console.error('THREE.WebGLRenderer.readRenderTargetPixels: readPixels from renderTarget failed. Framebuffer not complete.');}}finally{if(restore){_gl.bindFramebuffer(36160,_currentFramebuffer);}}}};this.copyFramebufferToTexture=function(position,texture,level){if(level===undefined)level=0;var levelScale=Math.pow(2,-level);var width=Math.floor(texture.image.width*levelScale);var height=Math.floor(texture.image.height*levelScale);var glFormat=utils.convert(texture.format);textures.setTexture2D(texture,0);_gl.copyTexImage2D(3553,level,glFormat,position.x,position.y,width,height,0);state.unbindTexture();};this.copyTextureToTexture=function(position,srcTexture,dstTexture,level){var width=srcTexture.image.width;var height=srcTexture.image.height;var glFormat=utils.convert(dstTexture.format);var glType=utils.convert(dstTexture.type);textures.setTexture2D(dstTexture,0);if(srcTexture.isDataTexture){_gl.texSubImage2D(3553,level||0,position.x,position.y,width,height,glFormat,glType,srcTexture.image.data);}else{_gl.texSubImage2D(3553,level||0,position.x,position.y,glFormat,glType,srcTexture.image);}state.unbindTexture();};this.initTexture=function(texture){textures.setTexture2D(texture,0);state.unbindTexture();};if(typeof __THREE_DEVTOOLS__!=='undefined'){__THREE_DEVTOOLS__.dispatchEvent(new CustomEvent('observe',{detail:this}));// eslint-disable-line no-undef + }}/** + * @author mrdoob / http://mrdoob.com/ + * @author alteredq / http://alteredqualia.com/ + */function FogExp2(color,density){this.name='';this.color=new Color(color);this.density=density!==undefined?density:0.00025;}Object.assign(FogExp2.prototype,{isFogExp2:true,clone:function clone(){return new FogExp2(this.color,this.density);},toJSON:function toJSON()/* meta */{return {type:'FogExp2',color:this.color.getHex(),density:this.density};}});/** + * @author mrdoob / http://mrdoob.com/ + * @author alteredq / http://alteredqualia.com/ + */function Fog(color,near,far){this.name='';this.color=new Color(color);this.near=near!==undefined?near:1;this.far=far!==undefined?far:1000;}Object.assign(Fog.prototype,{isFog:true,clone:function clone(){return new Fog(this.color,this.near,this.far);},toJSON:function toJSON()/* meta */{return {type:'Fog',color:this.color.getHex(),near:this.near,far:this.far};}});/** + * @author benaadams / https://twitter.com/ben_a_adams + */function InterleavedBuffer(array,stride){this.array=array;this.stride=stride;this.count=array!==undefined?array.length/stride:0;this.usage=StaticDrawUsage;this.updateRange={offset:0,count:-1};this.version=0;}Object.defineProperty(InterleavedBuffer.prototype,'needsUpdate',{set:function set(value){if(value===true)this.version++;}});Object.assign(InterleavedBuffer.prototype,{isInterleavedBuffer:true,onUploadCallback:function onUploadCallback(){},setUsage:function setUsage(value){this.usage=value;return this;},copy:function copy(source){this.array=new source.array.constructor(source.array);this.count=source.count;this.stride=source.stride;this.usage=source.usage;return this;},copyAt:function copyAt(index1,attribute,index2){index1*=this.stride;index2*=attribute.stride;for(var i=0,l=this.stride;i, + * map: new THREE.Texture( ), + * alphaMap: new THREE.Texture( ), + * rotation: , + * sizeAttenuation: + * } + */function SpriteMaterial(parameters){Material.call(this);this.type='SpriteMaterial';this.color=new Color(0xffffff);this.map=null;this.alphaMap=null;this.rotation=0;this.sizeAttenuation=true;this.transparent=true;this.setValues(parameters);}SpriteMaterial.prototype=Object.create(Material.prototype);SpriteMaterial.prototype.constructor=SpriteMaterial;SpriteMaterial.prototype.isSpriteMaterial=true;SpriteMaterial.prototype.copy=function(source){Material.prototype.copy.call(this,source);this.color.copy(source.color);this.map=source.map;this.alphaMap=source.alphaMap;this.rotation=source.rotation;this.sizeAttenuation=source.sizeAttenuation;return this;};/** + * @author mikael emtinger / http://gomo.se/ + * @author alteredq / http://alteredqualia.com/ + */var _geometry;var _intersectPoint=new Vector3();var _worldScale=new Vector3();var _mvPosition=new Vector3();var _alignedPosition=new Vector2();var _rotatedPosition=new Vector2();var _viewWorldMatrix=new Matrix4();var _vA$1=new Vector3();var _vB$1=new Vector3();var _vC$1=new Vector3();var _uvA$1=new Vector2();var _uvB$1=new Vector2();var _uvC$1=new Vector2();function Sprite(material){Object3D.call(this);this.type='Sprite';if(_geometry===undefined){_geometry=new BufferGeometry();var float32Array=new Float32Array([-0.5,-0.5,0,0,0,0.5,-0.5,0,1,0,0.5,0.5,0,1,1,-0.5,0.5,0,0,1]);var interleavedBuffer=new InterleavedBuffer(float32Array,5);_geometry.setIndex([0,1,2,0,2,3]);_geometry.setAttribute('position',new InterleavedBufferAttribute(interleavedBuffer,3,0,false));_geometry.setAttribute('uv',new InterleavedBufferAttribute(interleavedBuffer,2,3,false));}this.geometry=_geometry;this.material=material!==undefined?material:new SpriteMaterial();this.center=new Vector2(0.5,0.5);}Sprite.prototype=Object.assign(Object.create(Object3D.prototype),{constructor:Sprite,isSprite:true,raycast:function raycast(raycaster,intersects){if(raycaster.camera===null){console.error('THREE.Sprite: "Raycaster.camera" needs to be set in order to raycast against sprites.');}_worldScale.setFromMatrixScale(this.matrixWorld);_viewWorldMatrix.copy(raycaster.camera.matrixWorld);this.modelViewMatrix.multiplyMatrices(raycaster.camera.matrixWorldInverse,this.matrixWorld);_mvPosition.setFromMatrixPosition(this.modelViewMatrix);if(raycaster.camera.isPerspectiveCamera&&this.material.sizeAttenuation===false){_worldScale.multiplyScalar(-_mvPosition.z);}var rotation=this.material.rotation;var sin,cos;if(rotation!==0){cos=Math.cos(rotation);sin=Math.sin(rotation);}var center=this.center;transformVertex(_vA$1.set(-0.5,-0.5,0),_mvPosition,center,_worldScale,sin,cos);transformVertex(_vB$1.set(0.5,-0.5,0),_mvPosition,center,_worldScale,sin,cos);transformVertex(_vC$1.set(0.5,0.5,0),_mvPosition,center,_worldScale,sin,cos);_uvA$1.set(0,0);_uvB$1.set(1,0);_uvC$1.set(1,1);// check first triangle + var intersect=raycaster.ray.intersectTriangle(_vA$1,_vB$1,_vC$1,false,_intersectPoint);if(intersect===null){// check second triangle + transformVertex(_vB$1.set(-0.5,0.5,0),_mvPosition,center,_worldScale,sin,cos);_uvB$1.set(0,1);intersect=raycaster.ray.intersectTriangle(_vA$1,_vC$1,_vB$1,false,_intersectPoint);if(intersect===null){return;}}var distance=raycaster.ray.origin.distanceTo(_intersectPoint);if(distanceraycaster.far)return;intersects.push({distance:distance,point:_intersectPoint.clone(),uv:Triangle.getUV(_intersectPoint,_vA$1,_vB$1,_vC$1,_uvA$1,_uvB$1,_uvC$1,new Vector2()),face:null,object:this});},clone:function clone(){return new this.constructor(this.material).copy(this);},copy:function copy(source){Object3D.prototype.copy.call(this,source);if(source.center!==undefined)this.center.copy(source.center);return this;}});function transformVertex(vertexPosition,mvPosition,center,scale,sin,cos){// compute position in camera space + _alignedPosition.subVectors(vertexPosition,center).addScalar(0.5).multiply(scale);// to check if rotation is not zero + if(sin!==undefined){_rotatedPosition.x=cos*_alignedPosition.x-sin*_alignedPosition.y;_rotatedPosition.y=sin*_alignedPosition.x+cos*_alignedPosition.y;}else{_rotatedPosition.copy(_alignedPosition);}vertexPosition.copy(mvPosition);vertexPosition.x+=_rotatedPosition.x;vertexPosition.y+=_rotatedPosition.y;// transform to world space + vertexPosition.applyMatrix4(_viewWorldMatrix);}/** * @author mikael emtinger / http://gomo.se/ - * @author egraether / http://egraether.com/ - * @author WestLangley / http://github.com/WestLangley - */ - - function Vector4( x, y, z, w ) { - - this.x = x || 0; - this.y = y || 0; - this.z = z || 0; - this.w = ( w !== undefined ) ? w : 1; - - } - - Object.defineProperties( Vector4.prototype, { - - "width": { - - get: function () { - - return this.z; - - }, - - set: function ( value ) { - - this.z = value; - - } - - }, - - "height": { - - get: function () { - - return this.w; - - }, - - set: function ( value ) { - - this.w = value; - - } - - } - - } ); - - Object.assign( Vector4.prototype, { - - isVector4: true, - - set: function ( x, y, z, w ) { - - this.x = x; - this.y = y; - this.z = z; - this.w = w; - - return this; - - }, - - setScalar: function ( scalar ) { - - this.x = scalar; - this.y = scalar; - this.z = scalar; - this.w = scalar; - - return this; - - }, - - setX: function ( x ) { - - this.x = x; - - return this; - - }, - - setY: function ( y ) { - - this.y = y; - - return this; - - }, - - setZ: function ( z ) { - - this.z = z; - - return this; - - }, - - setW: function ( w ) { - - this.w = w; - - return this; - - }, - - setComponent: function ( index, value ) { - - switch ( index ) { - - case 0: this.x = value; break; - case 1: this.y = value; break; - case 2: this.z = value; break; - case 3: this.w = value; break; - default: throw new Error( 'index is out of range: ' + index ); - - } - - return this; - - }, - - getComponent: function ( index ) { - - switch ( index ) { - - case 0: return this.x; - case 1: return this.y; - case 2: return this.z; - case 3: return this.w; - default: throw new Error( 'index is out of range: ' + index ); - - } - - }, - - clone: function () { - - return new this.constructor( this.x, this.y, this.z, this.w ); - - }, - - copy: function ( v ) { - - this.x = v.x; - this.y = v.y; - this.z = v.z; - this.w = ( v.w !== undefined ) ? v.w : 1; - - return this; - - }, - - add: function ( v, w ) { - - if ( w !== undefined ) { - - console.warn( 'THREE.Vector4: .add() now only accepts one argument. Use .addVectors( a, b ) instead.' ); - return this.addVectors( v, w ); - - } - - this.x += v.x; - this.y += v.y; - this.z += v.z; - this.w += v.w; - - return this; - - }, - - addScalar: function ( s ) { - - this.x += s; - this.y += s; - this.z += s; - this.w += s; - - return this; - - }, - - addVectors: function ( a, b ) { - - this.x = a.x + b.x; - this.y = a.y + b.y; - this.z = a.z + b.z; - this.w = a.w + b.w; - - return this; - - }, - - addScaledVector: function ( v, s ) { - - this.x += v.x * s; - this.y += v.y * s; - this.z += v.z * s; - this.w += v.w * s; - - return this; - - }, - - sub: function ( v, w ) { - - if ( w !== undefined ) { - - console.warn( 'THREE.Vector4: .sub() now only accepts one argument. Use .subVectors( a, b ) instead.' ); - return this.subVectors( v, w ); - - } - - this.x -= v.x; - this.y -= v.y; - this.z -= v.z; - this.w -= v.w; - - return this; - - }, - - subScalar: function ( s ) { - - this.x -= s; - this.y -= s; - this.z -= s; - this.w -= s; - - return this; - - }, - - subVectors: function ( a, b ) { - - this.x = a.x - b.x; - this.y = a.y - b.y; - this.z = a.z - b.z; - this.w = a.w - b.w; - - return this; - - }, - - multiplyScalar: function ( scalar ) { - - this.x *= scalar; - this.y *= scalar; - this.z *= scalar; - this.w *= scalar; - - return this; - - }, - - applyMatrix4: function ( m ) { - - var x = this.x, y = this.y, z = this.z, w = this.w; - var e = m.elements; - - this.x = e[ 0 ] * x + e[ 4 ] * y + e[ 8 ] * z + e[ 12 ] * w; - this.y = e[ 1 ] * x + e[ 5 ] * y + e[ 9 ] * z + e[ 13 ] * w; - this.z = e[ 2 ] * x + e[ 6 ] * y + e[ 10 ] * z + e[ 14 ] * w; - this.w = e[ 3 ] * x + e[ 7 ] * y + e[ 11 ] * z + e[ 15 ] * w; - - return this; - - }, - - divideScalar: function ( scalar ) { - - return this.multiplyScalar( 1 / scalar ); - - }, - - setAxisAngleFromQuaternion: function ( q ) { - - // http://www.euclideanspace.com/maths/geometry/rotations/conversions/quaternionToAngle/index.htm - - // q is assumed to be normalized - - this.w = 2 * Math.acos( q.w ); - - var s = Math.sqrt( 1 - q.w * q.w ); - - if ( s < 0.0001 ) { - - this.x = 1; - this.y = 0; - this.z = 0; - - } else { - - this.x = q.x / s; - this.y = q.y / s; - this.z = q.z / s; - - } - - return this; - - }, - - setAxisAngleFromRotationMatrix: function ( m ) { - - // http://www.euclideanspace.com/maths/geometry/rotations/conversions/matrixToAngle/index.htm - - // assumes the upper 3x3 of m is a pure rotation matrix (i.e, unscaled) - - var angle, x, y, z, // variables for result - epsilon = 0.01, // margin to allow for rounding errors - epsilon2 = 0.1, // margin to distinguish between 0 and 180 degrees - - te = m.elements, - - m11 = te[ 0 ], m12 = te[ 4 ], m13 = te[ 8 ], - m21 = te[ 1 ], m22 = te[ 5 ], m23 = te[ 9 ], - m31 = te[ 2 ], m32 = te[ 6 ], m33 = te[ 10 ]; - - if ( ( Math.abs( m12 - m21 ) < epsilon ) && - ( Math.abs( m13 - m31 ) < epsilon ) && - ( Math.abs( m23 - m32 ) < epsilon ) ) { - - // singularity found - // first check for identity matrix which must have +1 for all terms - // in leading diagonal and zero in other terms - - if ( ( Math.abs( m12 + m21 ) < epsilon2 ) && - ( Math.abs( m13 + m31 ) < epsilon2 ) && - ( Math.abs( m23 + m32 ) < epsilon2 ) && - ( Math.abs( m11 + m22 + m33 - 3 ) < epsilon2 ) ) { - - // this singularity is identity matrix so angle = 0 - - this.set( 1, 0, 0, 0 ); - - return this; // zero angle, arbitrary axis - - } - - // otherwise this singularity is angle = 180 - - angle = Math.PI; - - var xx = ( m11 + 1 ) / 2; - var yy = ( m22 + 1 ) / 2; - var zz = ( m33 + 1 ) / 2; - var xy = ( m12 + m21 ) / 4; - var xz = ( m13 + m31 ) / 4; - var yz = ( m23 + m32 ) / 4; - - if ( ( xx > yy ) && ( xx > zz ) ) { - - // m11 is the largest diagonal term - - if ( xx < epsilon ) { - - x = 0; - y = 0.707106781; - z = 0.707106781; - - } else { - - x = Math.sqrt( xx ); - y = xy / x; - z = xz / x; - - } - - } else if ( yy > zz ) { - - // m22 is the largest diagonal term - - if ( yy < epsilon ) { - - x = 0.707106781; - y = 0; - z = 0.707106781; - - } else { - - y = Math.sqrt( yy ); - x = xy / y; - z = yz / y; - - } - - } else { - - // m33 is the largest diagonal term so base result on this - - if ( zz < epsilon ) { - - x = 0.707106781; - y = 0.707106781; - z = 0; - - } else { - - z = Math.sqrt( zz ); - x = xz / z; - y = yz / z; - - } - - } - - this.set( x, y, z, angle ); - - return this; // return 180 deg rotation - - } - - // as we have reached here there are no singularities so we can handle normally - - var s = Math.sqrt( ( m32 - m23 ) * ( m32 - m23 ) + - ( m13 - m31 ) * ( m13 - m31 ) + - ( m21 - m12 ) * ( m21 - m12 ) ); // used to normalize - - if ( Math.abs( s ) < 0.001 ) s = 1; - - // prevent divide by zero, should not happen if matrix is orthogonal and should be - // caught by singularity test above, but I've left it in just in case - - this.x = ( m32 - m23 ) / s; - this.y = ( m13 - m31 ) / s; - this.z = ( m21 - m12 ) / s; - this.w = Math.acos( ( m11 + m22 + m33 - 1 ) / 2 ); - - return this; - - }, - - min: function ( v ) { - - this.x = Math.min( this.x, v.x ); - this.y = Math.min( this.y, v.y ); - this.z = Math.min( this.z, v.z ); - this.w = Math.min( this.w, v.w ); - - return this; - - }, - - max: function ( v ) { - - this.x = Math.max( this.x, v.x ); - this.y = Math.max( this.y, v.y ); - this.z = Math.max( this.z, v.z ); - this.w = Math.max( this.w, v.w ); - - return this; - - }, - - clamp: function ( min, max ) { - - // assumes min < max, componentwise - - this.x = Math.max( min.x, Math.min( max.x, this.x ) ); - this.y = Math.max( min.y, Math.min( max.y, this.y ) ); - this.z = Math.max( min.z, Math.min( max.z, this.z ) ); - this.w = Math.max( min.w, Math.min( max.w, this.w ) ); - - return this; - - }, - - clampScalar: function ( minVal, maxVal ) { - - this.x = Math.max( minVal, Math.min( maxVal, this.x ) ); - this.y = Math.max( minVal, Math.min( maxVal, this.y ) ); - this.z = Math.max( minVal, Math.min( maxVal, this.z ) ); - this.w = Math.max( minVal, Math.min( maxVal, this.w ) ); - - return this; - - }, - - clampLength: function ( min, max ) { - - var length = this.length(); - - return this.divideScalar( length || 1 ).multiplyScalar( Math.max( min, Math.min( max, length ) ) ); - - }, - - floor: function () { - - this.x = Math.floor( this.x ); - this.y = Math.floor( this.y ); - this.z = Math.floor( this.z ); - this.w = Math.floor( this.w ); - - return this; - - }, - - ceil: function () { - - this.x = Math.ceil( this.x ); - this.y = Math.ceil( this.y ); - this.z = Math.ceil( this.z ); - this.w = Math.ceil( this.w ); - - return this; - - }, - - round: function () { - - this.x = Math.round( this.x ); - this.y = Math.round( this.y ); - this.z = Math.round( this.z ); - this.w = Math.round( this.w ); - - return this; - - }, - - roundToZero: function () { - - this.x = ( this.x < 0 ) ? Math.ceil( this.x ) : Math.floor( this.x ); - this.y = ( this.y < 0 ) ? Math.ceil( this.y ) : Math.floor( this.y ); - this.z = ( this.z < 0 ) ? Math.ceil( this.z ) : Math.floor( this.z ); - this.w = ( this.w < 0 ) ? Math.ceil( this.w ) : Math.floor( this.w ); - - return this; - - }, - - negate: function () { - - this.x = - this.x; - this.y = - this.y; - this.z = - this.z; - this.w = - this.w; - - return this; - - }, - - dot: function ( v ) { - - return this.x * v.x + this.y * v.y + this.z * v.z + this.w * v.w; - - }, - - lengthSq: function () { - - return this.x * this.x + this.y * this.y + this.z * this.z + this.w * this.w; - - }, - - length: function () { - - return Math.sqrt( this.x * this.x + this.y * this.y + this.z * this.z + this.w * this.w ); - - }, - - manhattanLength: function () { - - return Math.abs( this.x ) + Math.abs( this.y ) + Math.abs( this.z ) + Math.abs( this.w ); - - }, - - normalize: function () { - - return this.divideScalar( this.length() || 1 ); - - }, - - setLength: function ( length ) { - - return this.normalize().multiplyScalar( length ); - - }, - - lerp: function ( v, alpha ) { - - this.x += ( v.x - this.x ) * alpha; - this.y += ( v.y - this.y ) * alpha; - this.z += ( v.z - this.z ) * alpha; - this.w += ( v.w - this.w ) * alpha; - - return this; - - }, - - lerpVectors: function ( v1, v2, alpha ) { - - return this.subVectors( v2, v1 ).multiplyScalar( alpha ).add( v1 ); - - }, - - equals: function ( v ) { - - return ( ( v.x === this.x ) && ( v.y === this.y ) && ( v.z === this.z ) && ( v.w === this.w ) ); - - }, - - fromArray: function ( array, offset ) { - - if ( offset === undefined ) offset = 0; - - this.x = array[ offset ]; - this.y = array[ offset + 1 ]; - this.z = array[ offset + 2 ]; - this.w = array[ offset + 3 ]; - - return this; - - }, - - toArray: function ( array, offset ) { - - if ( array === undefined ) array = []; - if ( offset === undefined ) offset = 0; - - array[ offset ] = this.x; - array[ offset + 1 ] = this.y; - array[ offset + 2 ] = this.z; - array[ offset + 3 ] = this.w; - - return array; - - }, - - fromBufferAttribute: function ( attribute, index, offset ) { - - if ( offset !== undefined ) { - - console.warn( 'THREE.Vector4: offset has been removed from .fromBufferAttribute().' ); - - } - - this.x = attribute.getX( index ); - this.y = attribute.getY( index ); - this.z = attribute.getZ( index ); - this.w = attribute.getW( index ); - - return this; - - } - - } ); - - /** - * @author szimek / https://github.com/szimek/ * @author alteredq / http://alteredqualia.com/ - * @author Marius Kintel / https://github.com/kintel - */ - - /* - In options, we can specify: - * Texture parameters for an auto-generated target texture - * depthBuffer/stencilBuffer: Booleans to indicate if we should generate these buffers - */ - function WebGLRenderTarget( width, height, options ) { - - this.width = width; - this.height = height; - - this.scissor = new Vector4( 0, 0, width, height ); - this.scissorTest = false; - - this.viewport = new Vector4( 0, 0, width, height ); - - options = options || {}; - - this.texture = new Texture( undefined, undefined, options.wrapS, options.wrapT, options.magFilter, options.minFilter, options.format, options.type, options.anisotropy, options.encoding ); - - this.texture.image = {}; - this.texture.image.width = width; - this.texture.image.height = height; - - this.texture.generateMipmaps = options.generateMipmaps !== undefined ? options.generateMipmaps : false; - this.texture.minFilter = options.minFilter !== undefined ? options.minFilter : LinearFilter; - - this.depthBuffer = options.depthBuffer !== undefined ? options.depthBuffer : true; - this.stencilBuffer = options.stencilBuffer !== undefined ? options.stencilBuffer : true; - this.depthTexture = options.depthTexture !== undefined ? options.depthTexture : null; - - } - - WebGLRenderTarget.prototype = Object.assign( Object.create( EventDispatcher.prototype ), { - - constructor: WebGLRenderTarget, - - isWebGLRenderTarget: true, - - setSize: function ( width, height ) { - - if ( this.width !== width || this.height !== height ) { - - this.width = width; - this.height = height; - - this.texture.image.width = width; - this.texture.image.height = height; - - this.dispose(); - - } - - this.viewport.set( 0, 0, width, height ); - this.scissor.set( 0, 0, width, height ); - - }, - - clone: function () { - - return new this.constructor().copy( this ); - - }, - - copy: function ( source ) { - - this.width = source.width; - this.height = source.height; - - this.viewport.copy( source.viewport ); - - this.texture = source.texture.clone(); - - this.depthBuffer = source.depthBuffer; - this.stencilBuffer = source.stencilBuffer; - this.depthTexture = source.depthTexture; - - return this; - - }, - - dispose: function () { - - this.dispatchEvent( { type: 'dispose' } ); - - } - - } ); - - /** - * @author Mugen87 / https://github.com/Mugen87 - * @author Matt DesLauriers / @mattdesl - */ - - function WebGLMultisampleRenderTarget( width, height, options ) { - - WebGLRenderTarget.call( this, width, height, options ); - - this.samples = 4; - - } - - WebGLMultisampleRenderTarget.prototype = Object.assign( Object.create( WebGLRenderTarget.prototype ), { - - constructor: WebGLMultisampleRenderTarget, - - isWebGLMultisampleRenderTarget: true, - - copy: function ( source ) { - - WebGLRenderTarget.prototype.copy.call( this, source ); - - this.samples = source.samples; - - return this; - - } - - } ); - - var _v1 = new Vector3(); - var _m1 = new Matrix4(); - var _zero = new Vector3( 0, 0, 0 ); - var _one = new Vector3( 1, 1, 1 ); - var _x = new Vector3(); - var _y = new Vector3(); - var _z = new Vector3(); - - /** * @author mrdoob / http://mrdoob.com/ - * @author supereggbert / http://www.paulbrunt.co.uk/ - * @author philogb / http://blog.thejit.org/ - * @author jordi_ros / http://plattsoft.com - * @author D1plo1d / http://github.com/D1plo1d + */var _v1$4=new Vector3();var _v2$2=new Vector3();function LOD(){Object3D.call(this);this.type='LOD';Object.defineProperties(this,{levels:{enumerable:true,value:[]}});this.autoUpdate=true;}LOD.prototype=Object.assign(Object.create(Object3D.prototype),{constructor:LOD,isLOD:true,copy:function copy(source){Object3D.prototype.copy.call(this,source,false);var levels=source.levels;for(var i=0,l=levels.length;i1){_v1$4.setFromMatrixPosition(camera.matrixWorld);_v2$2.setFromMatrixPosition(this.matrixWorld);var distance=_v1$4.distanceTo(_v2$2);levels[0].object.visible=true;for(var i=1,l=levels.length;i=levels[i].distance){levels[i-1].object.visible=false;levels[i].object.visible=true;}else{break;}}for(;i 0 ) { - - console.error( 'THREE.Matrix4: the constructor no longer reads arguments. use .set() instead.' ); - - } - - } - - Object.assign( Matrix4.prototype, { - - isMatrix4: true, - - set: function ( n11, n12, n13, n14, n21, n22, n23, n24, n31, n32, n33, n34, n41, n42, n43, n44 ) { - - var te = this.elements; - - te[ 0 ] = n11; te[ 4 ] = n12; te[ 8 ] = n13; te[ 12 ] = n14; - te[ 1 ] = n21; te[ 5 ] = n22; te[ 9 ] = n23; te[ 13 ] = n24; - te[ 2 ] = n31; te[ 6 ] = n32; te[ 10 ] = n33; te[ 14 ] = n34; - te[ 3 ] = n41; te[ 7 ] = n42; te[ 11 ] = n43; te[ 15 ] = n44; - - return this; - - }, - - identity: function () { - - this.set( - - 1, 0, 0, 0, - 0, 1, 0, 0, - 0, 0, 1, 0, - 0, 0, 0, 1 - - ); - - return this; - - }, - - clone: function () { - - return new Matrix4().fromArray( this.elements ); - - }, - - copy: function ( m ) { - - var te = this.elements; - var me = m.elements; - - te[ 0 ] = me[ 0 ]; te[ 1 ] = me[ 1 ]; te[ 2 ] = me[ 2 ]; te[ 3 ] = me[ 3 ]; - te[ 4 ] = me[ 4 ]; te[ 5 ] = me[ 5 ]; te[ 6 ] = me[ 6 ]; te[ 7 ] = me[ 7 ]; - te[ 8 ] = me[ 8 ]; te[ 9 ] = me[ 9 ]; te[ 10 ] = me[ 10 ]; te[ 11 ] = me[ 11 ]; - te[ 12 ] = me[ 12 ]; te[ 13 ] = me[ 13 ]; te[ 14 ] = me[ 14 ]; te[ 15 ] = me[ 15 ]; - - return this; - - }, - - copyPosition: function ( m ) { - - var te = this.elements, me = m.elements; - - te[ 12 ] = me[ 12 ]; - te[ 13 ] = me[ 13 ]; - te[ 14 ] = me[ 14 ]; - - return this; - - }, - - extractBasis: function ( xAxis, yAxis, zAxis ) { - - xAxis.setFromMatrixColumn( this, 0 ); - yAxis.setFromMatrixColumn( this, 1 ); - zAxis.setFromMatrixColumn( this, 2 ); - - return this; - - }, - - makeBasis: function ( xAxis, yAxis, zAxis ) { - - this.set( - xAxis.x, yAxis.x, zAxis.x, 0, - xAxis.y, yAxis.y, zAxis.y, 0, - xAxis.z, yAxis.z, zAxis.z, 0, - 0, 0, 0, 1 - ); - - return this; - - }, - - extractRotation: function ( m ) { - - // this method does not support reflection matrices - - var te = this.elements; - var me = m.elements; - - var scaleX = 1 / _v1.setFromMatrixColumn( m, 0 ).length(); - var scaleY = 1 / _v1.setFromMatrixColumn( m, 1 ).length(); - var scaleZ = 1 / _v1.setFromMatrixColumn( m, 2 ).length(); - - te[ 0 ] = me[ 0 ] * scaleX; - te[ 1 ] = me[ 1 ] * scaleX; - te[ 2 ] = me[ 2 ] * scaleX; - te[ 3 ] = 0; - - te[ 4 ] = me[ 4 ] * scaleY; - te[ 5 ] = me[ 5 ] * scaleY; - te[ 6 ] = me[ 6 ] * scaleY; - te[ 7 ] = 0; - - te[ 8 ] = me[ 8 ] * scaleZ; - te[ 9 ] = me[ 9 ] * scaleZ; - te[ 10 ] = me[ 10 ] * scaleZ; - te[ 11 ] = 0; - - te[ 12 ] = 0; - te[ 13 ] = 0; - te[ 14 ] = 0; - te[ 15 ] = 1; - - return this; - - }, - - makeRotationFromEuler: function ( euler ) { - - if ( ! ( euler && euler.isEuler ) ) { - - console.error( 'THREE.Matrix4: .makeRotationFromEuler() now expects a Euler rotation rather than a Vector3 and order.' ); - - } - - var te = this.elements; - - var x = euler.x, y = euler.y, z = euler.z; - var a = Math.cos( x ), b = Math.sin( x ); - var c = Math.cos( y ), d = Math.sin( y ); - var e = Math.cos( z ), f = Math.sin( z ); - - if ( euler.order === 'XYZ' ) { - - var ae = a * e, af = a * f, be = b * e, bf = b * f; - - te[ 0 ] = c * e; - te[ 4 ] = - c * f; - te[ 8 ] = d; - - te[ 1 ] = af + be * d; - te[ 5 ] = ae - bf * d; - te[ 9 ] = - b * c; - - te[ 2 ] = bf - ae * d; - te[ 6 ] = be + af * d; - te[ 10 ] = a * c; - - } else if ( euler.order === 'YXZ' ) { - - var ce = c * e, cf = c * f, de = d * e, df = d * f; - - te[ 0 ] = ce + df * b; - te[ 4 ] = de * b - cf; - te[ 8 ] = a * d; - - te[ 1 ] = a * f; - te[ 5 ] = a * e; - te[ 9 ] = - b; - - te[ 2 ] = cf * b - de; - te[ 6 ] = df + ce * b; - te[ 10 ] = a * c; - - } else if ( euler.order === 'ZXY' ) { - - var ce = c * e, cf = c * f, de = d * e, df = d * f; - - te[ 0 ] = ce - df * b; - te[ 4 ] = - a * f; - te[ 8 ] = de + cf * b; - - te[ 1 ] = cf + de * b; - te[ 5 ] = a * e; - te[ 9 ] = df - ce * b; - - te[ 2 ] = - a * d; - te[ 6 ] = b; - te[ 10 ] = a * c; - - } else if ( euler.order === 'ZYX' ) { - - var ae = a * e, af = a * f, be = b * e, bf = b * f; - - te[ 0 ] = c * e; - te[ 4 ] = be * d - af; - te[ 8 ] = ae * d + bf; - - te[ 1 ] = c * f; - te[ 5 ] = bf * d + ae; - te[ 9 ] = af * d - be; - - te[ 2 ] = - d; - te[ 6 ] = b * c; - te[ 10 ] = a * c; - - } else if ( euler.order === 'YZX' ) { - - var ac = a * c, ad = a * d, bc = b * c, bd = b * d; - - te[ 0 ] = c * e; - te[ 4 ] = bd - ac * f; - te[ 8 ] = bc * f + ad; - - te[ 1 ] = f; - te[ 5 ] = a * e; - te[ 9 ] = - b * e; - - te[ 2 ] = - d * e; - te[ 6 ] = ad * f + bc; - te[ 10 ] = ac - bd * f; - - } else if ( euler.order === 'XZY' ) { - - var ac = a * c, ad = a * d, bc = b * c, bd = b * d; - - te[ 0 ] = c * e; - te[ 4 ] = - f; - te[ 8 ] = d * e; - - te[ 1 ] = ac * f + bd; - te[ 5 ] = a * e; - te[ 9 ] = ad * f - bc; - - te[ 2 ] = bc * f - ad; - te[ 6 ] = b * e; - te[ 10 ] = bd * f + ac; - - } - - // bottom row - te[ 3 ] = 0; - te[ 7 ] = 0; - te[ 11 ] = 0; - - // last column - te[ 12 ] = 0; - te[ 13 ] = 0; - te[ 14 ] = 0; - te[ 15 ] = 1; - - return this; - - }, - - makeRotationFromQuaternion: function ( q ) { - - return this.compose( _zero, q, _one ); - - }, - - lookAt: function ( eye, target, up ) { - - var te = this.elements; - - _z.subVectors( eye, target ); - - if ( _z.lengthSq() === 0 ) { - - // eye and target are in the same position - - _z.z = 1; - - } - - _z.normalize(); - _x.crossVectors( up, _z ); - - if ( _x.lengthSq() === 0 ) { - - // up and z are parallel - - if ( Math.abs( up.z ) === 1 ) { - - _z.x += 0.0001; - - } else { - - _z.z += 0.0001; - - } - - _z.normalize(); - _x.crossVectors( up, _z ); - - } - - _x.normalize(); - _y.crossVectors( _z, _x ); - - te[ 0 ] = _x.x; te[ 4 ] = _y.x; te[ 8 ] = _z.x; - te[ 1 ] = _x.y; te[ 5 ] = _y.y; te[ 9 ] = _z.y; - te[ 2 ] = _x.z; te[ 6 ] = _y.z; te[ 10 ] = _z.z; - - return this; - - }, - - multiply: function ( m, n ) { - - if ( n !== undefined ) { - - console.warn( 'THREE.Matrix4: .multiply() now only accepts one argument. Use .multiplyMatrices( a, b ) instead.' ); - return this.multiplyMatrices( m, n ); - - } - - return this.multiplyMatrices( this, m ); - - }, - - premultiply: function ( m ) { - - return this.multiplyMatrices( m, this ); - - }, - - multiplyMatrices: function ( a, b ) { - - var ae = a.elements; - var be = b.elements; - var te = this.elements; - - var a11 = ae[ 0 ], a12 = ae[ 4 ], a13 = ae[ 8 ], a14 = ae[ 12 ]; - var a21 = ae[ 1 ], a22 = ae[ 5 ], a23 = ae[ 9 ], a24 = ae[ 13 ]; - var a31 = ae[ 2 ], a32 = ae[ 6 ], a33 = ae[ 10 ], a34 = ae[ 14 ]; - var a41 = ae[ 3 ], a42 = ae[ 7 ], a43 = ae[ 11 ], a44 = ae[ 15 ]; - - var b11 = be[ 0 ], b12 = be[ 4 ], b13 = be[ 8 ], b14 = be[ 12 ]; - var b21 = be[ 1 ], b22 = be[ 5 ], b23 = be[ 9 ], b24 = be[ 13 ]; - var b31 = be[ 2 ], b32 = be[ 6 ], b33 = be[ 10 ], b34 = be[ 14 ]; - var b41 = be[ 3 ], b42 = be[ 7 ], b43 = be[ 11 ], b44 = be[ 15 ]; - - te[ 0 ] = a11 * b11 + a12 * b21 + a13 * b31 + a14 * b41; - te[ 4 ] = a11 * b12 + a12 * b22 + a13 * b32 + a14 * b42; - te[ 8 ] = a11 * b13 + a12 * b23 + a13 * b33 + a14 * b43; - te[ 12 ] = a11 * b14 + a12 * b24 + a13 * b34 + a14 * b44; - - te[ 1 ] = a21 * b11 + a22 * b21 + a23 * b31 + a24 * b41; - te[ 5 ] = a21 * b12 + a22 * b22 + a23 * b32 + a24 * b42; - te[ 9 ] = a21 * b13 + a22 * b23 + a23 * b33 + a24 * b43; - te[ 13 ] = a21 * b14 + a22 * b24 + a23 * b34 + a24 * b44; - - te[ 2 ] = a31 * b11 + a32 * b21 + a33 * b31 + a34 * b41; - te[ 6 ] = a31 * b12 + a32 * b22 + a33 * b32 + a34 * b42; - te[ 10 ] = a31 * b13 + a32 * b23 + a33 * b33 + a34 * b43; - te[ 14 ] = a31 * b14 + a32 * b24 + a33 * b34 + a34 * b44; - - te[ 3 ] = a41 * b11 + a42 * b21 + a43 * b31 + a44 * b41; - te[ 7 ] = a41 * b12 + a42 * b22 + a43 * b32 + a44 * b42; - te[ 11 ] = a41 * b13 + a42 * b23 + a43 * b33 + a44 * b43; - te[ 15 ] = a41 * b14 + a42 * b24 + a43 * b34 + a44 * b44; - - return this; - - }, - - multiplyScalar: function ( s ) { - - var te = this.elements; - - te[ 0 ] *= s; te[ 4 ] *= s; te[ 8 ] *= s; te[ 12 ] *= s; - te[ 1 ] *= s; te[ 5 ] *= s; te[ 9 ] *= s; te[ 13 ] *= s; - te[ 2 ] *= s; te[ 6 ] *= s; te[ 10 ] *= s; te[ 14 ] *= s; - te[ 3 ] *= s; te[ 7 ] *= s; te[ 11 ] *= s; te[ 15 ] *= s; - - return this; - - }, - - applyToBufferAttribute: function ( attribute ) { - - for ( var i = 0, l = attribute.count; i < l; i ++ ) { - - _v1.x = attribute.getX( i ); - _v1.y = attribute.getY( i ); - _v1.z = attribute.getZ( i ); - - _v1.applyMatrix4( this ); - - attribute.setXYZ( i, _v1.x, _v1.y, _v1.z ); - - } - - return attribute; - - }, - - determinant: function () { - - var te = this.elements; - - var n11 = te[ 0 ], n12 = te[ 4 ], n13 = te[ 8 ], n14 = te[ 12 ]; - var n21 = te[ 1 ], n22 = te[ 5 ], n23 = te[ 9 ], n24 = te[ 13 ]; - var n31 = te[ 2 ], n32 = te[ 6 ], n33 = te[ 10 ], n34 = te[ 14 ]; - var n41 = te[ 3 ], n42 = te[ 7 ], n43 = te[ 11 ], n44 = te[ 15 ]; - - //TODO: make this more efficient - //( based on http://www.euclideanspace.com/maths/algebra/matrix/functions/inverse/fourD/index.htm ) - - return ( - n41 * ( - + n14 * n23 * n32 - - n13 * n24 * n32 - - n14 * n22 * n33 - + n12 * n24 * n33 - + n13 * n22 * n34 - - n12 * n23 * n34 - ) + - n42 * ( - + n11 * n23 * n34 - - n11 * n24 * n33 - + n14 * n21 * n33 - - n13 * n21 * n34 - + n13 * n24 * n31 - - n14 * n23 * n31 - ) + - n43 * ( - + n11 * n24 * n32 - - n11 * n22 * n34 - - n14 * n21 * n32 - + n12 * n21 * n34 - + n14 * n22 * n31 - - n12 * n24 * n31 - ) + - n44 * ( - - n13 * n22 * n31 - - n11 * n23 * n32 - + n11 * n22 * n33 - + n13 * n21 * n32 - - n12 * n21 * n33 - + n12 * n23 * n31 - ) - - ); - - }, - - transpose: function () { - - var te = this.elements; - var tmp; - - tmp = te[ 1 ]; te[ 1 ] = te[ 4 ]; te[ 4 ] = tmp; - tmp = te[ 2 ]; te[ 2 ] = te[ 8 ]; te[ 8 ] = tmp; - tmp = te[ 6 ]; te[ 6 ] = te[ 9 ]; te[ 9 ] = tmp; - - tmp = te[ 3 ]; te[ 3 ] = te[ 12 ]; te[ 12 ] = tmp; - tmp = te[ 7 ]; te[ 7 ] = te[ 13 ]; te[ 13 ] = tmp; - tmp = te[ 11 ]; te[ 11 ] = te[ 14 ]; te[ 14 ] = tmp; - - return this; - - }, - - setPosition: function ( x, y, z ) { - - var te = this.elements; - - if ( x.isVector3 ) { - - te[ 12 ] = x.x; - te[ 13 ] = x.y; - te[ 14 ] = x.z; - - } else { - - te[ 12 ] = x; - te[ 13 ] = y; - te[ 14 ] = z; - - } - - return this; - - }, - - getInverse: function ( m, throwOnDegenerate ) { - - // based on http://www.euclideanspace.com/maths/algebra/matrix/functions/inverse/fourD/index.htm - var te = this.elements, - me = m.elements, - - n11 = me[ 0 ], n21 = me[ 1 ], n31 = me[ 2 ], n41 = me[ 3 ], - n12 = me[ 4 ], n22 = me[ 5 ], n32 = me[ 6 ], n42 = me[ 7 ], - n13 = me[ 8 ], n23 = me[ 9 ], n33 = me[ 10 ], n43 = me[ 11 ], - n14 = me[ 12 ], n24 = me[ 13 ], n34 = me[ 14 ], n44 = me[ 15 ], - - t11 = n23 * n34 * n42 - n24 * n33 * n42 + n24 * n32 * n43 - n22 * n34 * n43 - n23 * n32 * n44 + n22 * n33 * n44, - t12 = n14 * n33 * n42 - n13 * n34 * n42 - n14 * n32 * n43 + n12 * n34 * n43 + n13 * n32 * n44 - n12 * n33 * n44, - t13 = n13 * n24 * n42 - n14 * n23 * n42 + n14 * n22 * n43 - n12 * n24 * n43 - n13 * n22 * n44 + n12 * n23 * n44, - t14 = n14 * n23 * n32 - n13 * n24 * n32 - n14 * n22 * n33 + n12 * n24 * n33 + n13 * n22 * n34 - n12 * n23 * n34; - - var det = n11 * t11 + n21 * t12 + n31 * t13 + n41 * t14; - - if ( det === 0 ) { - - var msg = "THREE.Matrix4: .getInverse() can't invert matrix, determinant is 0"; - - if ( throwOnDegenerate === true ) { - - throw new Error( msg ); - - } else { - - console.warn( msg ); - - } - - return this.identity(); - - } - - var detInv = 1 / det; - - te[ 0 ] = t11 * detInv; - te[ 1 ] = ( n24 * n33 * n41 - n23 * n34 * n41 - n24 * n31 * n43 + n21 * n34 * n43 + n23 * n31 * n44 - n21 * n33 * n44 ) * detInv; - te[ 2 ] = ( n22 * n34 * n41 - n24 * n32 * n41 + n24 * n31 * n42 - n21 * n34 * n42 - n22 * n31 * n44 + n21 * n32 * n44 ) * detInv; - te[ 3 ] = ( n23 * n32 * n41 - n22 * n33 * n41 - n23 * n31 * n42 + n21 * n33 * n42 + n22 * n31 * n43 - n21 * n32 * n43 ) * detInv; - - te[ 4 ] = t12 * detInv; - te[ 5 ] = ( n13 * n34 * n41 - n14 * n33 * n41 + n14 * n31 * n43 - n11 * n34 * n43 - n13 * n31 * n44 + n11 * n33 * n44 ) * detInv; - te[ 6 ] = ( n14 * n32 * n41 - n12 * n34 * n41 - n14 * n31 * n42 + n11 * n34 * n42 + n12 * n31 * n44 - n11 * n32 * n44 ) * detInv; - te[ 7 ] = ( n12 * n33 * n41 - n13 * n32 * n41 + n13 * n31 * n42 - n11 * n33 * n42 - n12 * n31 * n43 + n11 * n32 * n43 ) * detInv; - - te[ 8 ] = t13 * detInv; - te[ 9 ] = ( n14 * n23 * n41 - n13 * n24 * n41 - n14 * n21 * n43 + n11 * n24 * n43 + n13 * n21 * n44 - n11 * n23 * n44 ) * detInv; - te[ 10 ] = ( n12 * n24 * n41 - n14 * n22 * n41 + n14 * n21 * n42 - n11 * n24 * n42 - n12 * n21 * n44 + n11 * n22 * n44 ) * detInv; - te[ 11 ] = ( n13 * n22 * n41 - n12 * n23 * n41 - n13 * n21 * n42 + n11 * n23 * n42 + n12 * n21 * n43 - n11 * n22 * n43 ) * detInv; - - te[ 12 ] = t14 * detInv; - te[ 13 ] = ( n13 * n24 * n31 - n14 * n23 * n31 + n14 * n21 * n33 - n11 * n24 * n33 - n13 * n21 * n34 + n11 * n23 * n34 ) * detInv; - te[ 14 ] = ( n14 * n22 * n31 - n12 * n24 * n31 - n14 * n21 * n32 + n11 * n24 * n32 + n12 * n21 * n34 - n11 * n22 * n34 ) * detInv; - te[ 15 ] = ( n12 * n23 * n31 - n13 * n22 * n31 + n13 * n21 * n32 - n11 * n23 * n32 - n12 * n21 * n33 + n11 * n22 * n33 ) * detInv; - - return this; - - }, - - scale: function ( v ) { - - var te = this.elements; - var x = v.x, y = v.y, z = v.z; - - te[ 0 ] *= x; te[ 4 ] *= y; te[ 8 ] *= z; - te[ 1 ] *= x; te[ 5 ] *= y; te[ 9 ] *= z; - te[ 2 ] *= x; te[ 6 ] *= y; te[ 10 ] *= z; - te[ 3 ] *= x; te[ 7 ] *= y; te[ 11 ] *= z; - - return this; - - }, - - getMaxScaleOnAxis: function () { - - var te = this.elements; - - var scaleXSq = te[ 0 ] * te[ 0 ] + te[ 1 ] * te[ 1 ] + te[ 2 ] * te[ 2 ]; - var scaleYSq = te[ 4 ] * te[ 4 ] + te[ 5 ] * te[ 5 ] + te[ 6 ] * te[ 6 ]; - var scaleZSq = te[ 8 ] * te[ 8 ] + te[ 9 ] * te[ 9 ] + te[ 10 ] * te[ 10 ]; - - return Math.sqrt( Math.max( scaleXSq, scaleYSq, scaleZSq ) ); - - }, - - makeTranslation: function ( x, y, z ) { - - this.set( - - 1, 0, 0, x, - 0, 1, 0, y, - 0, 0, 1, z, - 0, 0, 0, 1 - - ); - - return this; - - }, - - makeRotationX: function ( theta ) { - - var c = Math.cos( theta ), s = Math.sin( theta ); - - this.set( - - 1, 0, 0, 0, - 0, c, - s, 0, - 0, s, c, 0, - 0, 0, 0, 1 - - ); - - return this; - - }, - - makeRotationY: function ( theta ) { - - var c = Math.cos( theta ), s = Math.sin( theta ); - - this.set( - - c, 0, s, 0, - 0, 1, 0, 0, - - s, 0, c, 0, - 0, 0, 0, 1 - - ); - - return this; - - }, - - makeRotationZ: function ( theta ) { - - var c = Math.cos( theta ), s = Math.sin( theta ); - - this.set( - - c, - s, 0, 0, - s, c, 0, 0, - 0, 0, 1, 0, - 0, 0, 0, 1 - - ); - - return this; - - }, - - makeRotationAxis: function ( axis, angle ) { - - // Based on http://www.gamedev.net/reference/articles/article1199.asp - - var c = Math.cos( angle ); - var s = Math.sin( angle ); - var t = 1 - c; - var x = axis.x, y = axis.y, z = axis.z; - var tx = t * x, ty = t * y; - - this.set( - - tx * x + c, tx * y - s * z, tx * z + s * y, 0, - tx * y + s * z, ty * y + c, ty * z - s * x, 0, - tx * z - s * y, ty * z + s * x, t * z * z + c, 0, - 0, 0, 0, 1 - - ); - - return this; - - }, - - makeScale: function ( x, y, z ) { - - this.set( - - x, 0, 0, 0, - 0, y, 0, 0, - 0, 0, z, 0, - 0, 0, 0, 1 - - ); - - return this; - - }, - - makeShear: function ( x, y, z ) { - - this.set( - - 1, y, z, 0, - x, 1, z, 0, - x, y, 1, 0, - 0, 0, 0, 1 - - ); - - return this; - - }, - - compose: function ( position, quaternion, scale ) { - - var te = this.elements; - - var x = quaternion._x, y = quaternion._y, z = quaternion._z, w = quaternion._w; - var x2 = x + x, y2 = y + y, z2 = z + z; - var xx = x * x2, xy = x * y2, xz = x * z2; - var yy = y * y2, yz = y * z2, zz = z * z2; - var wx = w * x2, wy = w * y2, wz = w * z2; - - var sx = scale.x, sy = scale.y, sz = scale.z; - - te[ 0 ] = ( 1 - ( yy + zz ) ) * sx; - te[ 1 ] = ( xy + wz ) * sx; - te[ 2 ] = ( xz - wy ) * sx; - te[ 3 ] = 0; - - te[ 4 ] = ( xy - wz ) * sy; - te[ 5 ] = ( 1 - ( xx + zz ) ) * sy; - te[ 6 ] = ( yz + wx ) * sy; - te[ 7 ] = 0; - - te[ 8 ] = ( xz + wy ) * sz; - te[ 9 ] = ( yz - wx ) * sz; - te[ 10 ] = ( 1 - ( xx + yy ) ) * sz; - te[ 11 ] = 0; - - te[ 12 ] = position.x; - te[ 13 ] = position.y; - te[ 14 ] = position.z; - te[ 15 ] = 1; - - return this; - - }, - - decompose: function ( position, quaternion, scale ) { - - var te = this.elements; - - var sx = _v1.set( te[ 0 ], te[ 1 ], te[ 2 ] ).length(); - var sy = _v1.set( te[ 4 ], te[ 5 ], te[ 6 ] ).length(); - var sz = _v1.set( te[ 8 ], te[ 9 ], te[ 10 ] ).length(); - - // if determine is negative, we need to invert one scale - var det = this.determinant(); - if ( det < 0 ) sx = - sx; - - position.x = te[ 12 ]; - position.y = te[ 13 ]; - position.z = te[ 14 ]; - - // scale the rotation part - _m1.copy( this ); - - var invSX = 1 / sx; - var invSY = 1 / sy; - var invSZ = 1 / sz; - - _m1.elements[ 0 ] *= invSX; - _m1.elements[ 1 ] *= invSX; - _m1.elements[ 2 ] *= invSX; - - _m1.elements[ 4 ] *= invSY; - _m1.elements[ 5 ] *= invSY; - _m1.elements[ 6 ] *= invSY; - - _m1.elements[ 8 ] *= invSZ; - _m1.elements[ 9 ] *= invSZ; - _m1.elements[ 10 ] *= invSZ; - - quaternion.setFromRotationMatrix( _m1 ); - - scale.x = sx; - scale.y = sy; - scale.z = sz; - - return this; - - }, - - makePerspective: function ( left, right, top, bottom, near, far ) { - - if ( far === undefined ) { - - console.warn( 'THREE.Matrix4: .makePerspective() has been redefined and has a new signature. Please check the docs.' ); - - } - - var te = this.elements; - var x = 2 * near / ( right - left ); - var y = 2 * near / ( top - bottom ); - - var a = ( right + left ) / ( right - left ); - var b = ( top + bottom ) / ( top - bottom ); - var c = - ( far + near ) / ( far - near ); - var d = - 2 * far * near / ( far - near ); - - te[ 0 ] = x; te[ 4 ] = 0; te[ 8 ] = a; te[ 12 ] = 0; - te[ 1 ] = 0; te[ 5 ] = y; te[ 9 ] = b; te[ 13 ] = 0; - te[ 2 ] = 0; te[ 6 ] = 0; te[ 10 ] = c; te[ 14 ] = d; - te[ 3 ] = 0; te[ 7 ] = 0; te[ 11 ] = - 1; te[ 15 ] = 0; - - return this; - - }, - - makeOrthographic: function ( left, right, top, bottom, near, far ) { - - var te = this.elements; - var w = 1.0 / ( right - left ); - var h = 1.0 / ( top - bottom ); - var p = 1.0 / ( far - near ); - - var x = ( right + left ) * w; - var y = ( top + bottom ) * h; - var z = ( far + near ) * p; - - te[ 0 ] = 2 * w; te[ 4 ] = 0; te[ 8 ] = 0; te[ 12 ] = - x; - te[ 1 ] = 0; te[ 5 ] = 2 * h; te[ 9 ] = 0; te[ 13 ] = - y; - te[ 2 ] = 0; te[ 6 ] = 0; te[ 10 ] = - 2 * p; te[ 14 ] = - z; - te[ 3 ] = 0; te[ 7 ] = 0; te[ 11 ] = 0; te[ 15 ] = 1; - - return this; - - }, - - equals: function ( matrix ) { - - var te = this.elements; - var me = matrix.elements; - - for ( var i = 0; i < 16; i ++ ) { - - if ( te[ i ] !== me[ i ] ) return false; - - } - - return true; - - }, - - fromArray: function ( array, offset ) { - - if ( offset === undefined ) offset = 0; - - for ( var i = 0; i < 16; i ++ ) { - - this.elements[ i ] = array[ i + offset ]; - - } - - return this; - - }, - - toArray: function ( array, offset ) { - - if ( array === undefined ) array = []; - if ( offset === undefined ) offset = 0; - - var te = this.elements; - - array[ offset ] = te[ 0 ]; - array[ offset + 1 ] = te[ 1 ]; - array[ offset + 2 ] = te[ 2 ]; - array[ offset + 3 ] = te[ 3 ]; - - array[ offset + 4 ] = te[ 4 ]; - array[ offset + 5 ] = te[ 5 ]; - array[ offset + 6 ] = te[ 6 ]; - array[ offset + 7 ] = te[ 7 ]; - - array[ offset + 8 ] = te[ 8 ]; - array[ offset + 9 ] = te[ 9 ]; - array[ offset + 10 ] = te[ 10 ]; - array[ offset + 11 ] = te[ 11 ]; - - array[ offset + 12 ] = te[ 12 ]; - array[ offset + 13 ] = te[ 13 ]; - array[ offset + 14 ] = te[ 14 ]; - array[ offset + 15 ] = te[ 15 ]; - - return array; - - } - - } ); - - /** - * @author mrdoob / http://mrdoob.com/ - * @author WestLangley / http://github.com/WestLangley - * @author bhouston / http://clara.io - */ - - var _matrix = new Matrix4(); - var _quaternion$1 = new Quaternion(); - - function Euler( x, y, z, order ) { - - this._x = x || 0; - this._y = y || 0; - this._z = z || 0; - this._order = order || Euler.DefaultOrder; - - } - - Euler.RotationOrders = [ 'XYZ', 'YZX', 'ZXY', 'XZY', 'YXZ', 'ZYX' ]; - - Euler.DefaultOrder = 'XYZ'; - - Object.defineProperties( Euler.prototype, { - - x: { - - get: function () { - - return this._x; - - }, - - set: function ( value ) { - - this._x = value; - this._onChangeCallback(); - - } - - }, - - y: { - - get: function () { - - return this._y; - - }, - - set: function ( value ) { - - this._y = value; - this._onChangeCallback(); - - } - - }, - - z: { - - get: function () { - - return this._z; - - }, - - set: function ( value ) { - - this._z = value; - this._onChangeCallback(); - - } - - }, - - order: { - - get: function () { - - return this._order; - - }, - - set: function ( value ) { - - this._order = value; - this._onChangeCallback(); - - } - - } - - } ); - - Object.assign( Euler.prototype, { - - isEuler: true, - - set: function ( x, y, z, order ) { - - this._x = x; - this._y = y; - this._z = z; - this._order = order || this._order; - - this._onChangeCallback(); - - return this; - - }, - - clone: function () { - - return new this.constructor( this._x, this._y, this._z, this._order ); - - }, - - copy: function ( euler ) { - - this._x = euler._x; - this._y = euler._y; - this._z = euler._z; - this._order = euler._order; - - this._onChangeCallback(); - - return this; - - }, - - setFromRotationMatrix: function ( m, order, update ) { - - var clamp = _Math.clamp; - - // assumes the upper 3x3 of m is a pure rotation matrix (i.e, unscaled) - - var te = m.elements; - var m11 = te[ 0 ], m12 = te[ 4 ], m13 = te[ 8 ]; - var m21 = te[ 1 ], m22 = te[ 5 ], m23 = te[ 9 ]; - var m31 = te[ 2 ], m32 = te[ 6 ], m33 = te[ 10 ]; - - order = order || this._order; - - if ( order === 'XYZ' ) { - - this._y = Math.asin( clamp( m13, - 1, 1 ) ); - - if ( Math.abs( m13 ) < 0.9999999 ) { - - this._x = Math.atan2( - m23, m33 ); - this._z = Math.atan2( - m12, m11 ); - - } else { - - this._x = Math.atan2( m32, m22 ); - this._z = 0; - - } - - } else if ( order === 'YXZ' ) { - - this._x = Math.asin( - clamp( m23, - 1, 1 ) ); - - if ( Math.abs( m23 ) < 0.9999999 ) { - - this._y = Math.atan2( m13, m33 ); - this._z = Math.atan2( m21, m22 ); - - } else { - - this._y = Math.atan2( - m31, m11 ); - this._z = 0; - - } - - } else if ( order === 'ZXY' ) { - - this._x = Math.asin( clamp( m32, - 1, 1 ) ); - - if ( Math.abs( m32 ) < 0.9999999 ) { - - this._y = Math.atan2( - m31, m33 ); - this._z = Math.atan2( - m12, m22 ); - - } else { - - this._y = 0; - this._z = Math.atan2( m21, m11 ); - - } - - } else if ( order === 'ZYX' ) { - - this._y = Math.asin( - clamp( m31, - 1, 1 ) ); - - if ( Math.abs( m31 ) < 0.9999999 ) { - - this._x = Math.atan2( m32, m33 ); - this._z = Math.atan2( m21, m11 ); - - } else { - - this._x = 0; - this._z = Math.atan2( - m12, m22 ); - - } - - } else if ( order === 'YZX' ) { - - this._z = Math.asin( clamp( m21, - 1, 1 ) ); - - if ( Math.abs( m21 ) < 0.9999999 ) { - - this._x = Math.atan2( - m23, m22 ); - this._y = Math.atan2( - m31, m11 ); - - } else { - - this._x = 0; - this._y = Math.atan2( m13, m33 ); - - } - - } else if ( order === 'XZY' ) { - - this._z = Math.asin( - clamp( m12, - 1, 1 ) ); - - if ( Math.abs( m12 ) < 0.9999999 ) { - - this._x = Math.atan2( m32, m22 ); - this._y = Math.atan2( m13, m11 ); - - } else { - - this._x = Math.atan2( - m23, m33 ); - this._y = 0; - - } - - } else { - - console.warn( 'THREE.Euler: .setFromRotationMatrix() given unsupported order: ' + order ); - - } - - this._order = order; - - if ( update !== false ) this._onChangeCallback(); - - return this; - - }, - - setFromQuaternion: function ( q, order, update ) { - - _matrix.makeRotationFromQuaternion( q ); - - return this.setFromRotationMatrix( _matrix, order, update ); - - }, - - setFromVector3: function ( v, order ) { - - return this.set( v.x, v.y, v.z, order || this._order ); - - }, - - reorder: function ( newOrder ) { - - // WARNING: this discards revolution information -bhouston - - _quaternion$1.setFromEuler( this ); - - return this.setFromQuaternion( _quaternion$1, newOrder ); - - }, - - equals: function ( euler ) { - - return ( euler._x === this._x ) && ( euler._y === this._y ) && ( euler._z === this._z ) && ( euler._order === this._order ); - - }, - - fromArray: function ( array ) { - - this._x = array[ 0 ]; - this._y = array[ 1 ]; - this._z = array[ 2 ]; - if ( array[ 3 ] !== undefined ) this._order = array[ 3 ]; - - this._onChangeCallback(); - - return this; - - }, - - toArray: function ( array, offset ) { - - if ( array === undefined ) array = []; - if ( offset === undefined ) offset = 0; - - array[ offset ] = this._x; - array[ offset + 1 ] = this._y; - array[ offset + 2 ] = this._z; - array[ offset + 3 ] = this._order; - - return array; - - }, - - toVector3: function ( optionalResult ) { - - if ( optionalResult ) { - - return optionalResult.set( this._x, this._y, this._z ); - - } else { - - return new Vector3( this._x, this._y, this._z ); - - } - - }, - - _onChange: function ( callback ) { - - this._onChangeCallback = callback; - - return this; - - }, - - _onChangeCallback: function () {} - - } ); - - /** + * @author alteredq / http://alteredqualia.com/ + * @author michael guerrero / http://realitymeltdown.com + * @author ikerr / http://verold.com + */var _offsetMatrix=new Matrix4();var _identityMatrix=new Matrix4();function Skeleton(bones,boneInverses){// copy the bone array + bones=bones||[];this.bones=bones.slice(0);this.boneMatrices=new Float32Array(this.bones.length*16);this.frame=-1;// use the supplied bone inverses or calculate the inverses + if(boneInverses===undefined){this.calculateInverses();}else{if(this.bones.length===boneInverses.length){this.boneInverses=boneInverses.slice(0);}else{console.warn('THREE.Skeleton boneInverses is the wrong length.');this.boneInverses=[];for(var i=0,il=this.bones.length;i 1 ) { - - for ( var i = 0; i < arguments.length; i ++ ) { - - this.add( arguments[ i ] ); - - } - - return this; - - } - - if ( object === this ) { - - console.error( "THREE.Object3D.add: object can't be added as a child of itself.", object ); - return this; - - } - - if ( ( object && object.isObject3D ) ) { - - if ( object.parent !== null ) { - - object.parent.remove( object ); - - } - - object.parent = this; - this.children.push( object ); - - object.dispatchEvent( _addedEvent ); - - } else { - - console.error( "THREE.Object3D.add: object not an instance of THREE.Object3D.", object ); - - } - - return this; - - }, - - remove: function ( object ) { - - if ( arguments.length > 1 ) { - - for ( var i = 0; i < arguments.length; i ++ ) { - - this.remove( arguments[ i ] ); - - } - - return this; - - } - - var index = this.children.indexOf( object ); - - if ( index !== - 1 ) { - - object.parent = null; - this.children.splice( index, 1 ); - - object.dispatchEvent( _removedEvent ); - - } - - return this; - - }, - - attach: function ( object ) { - - // adds object as a child of this, while maintaining the object's world transform - - this.updateWorldMatrix( true, false ); - - _m1$1.getInverse( this.matrixWorld ); - - if ( object.parent !== null ) { - - object.parent.updateWorldMatrix( true, false ); - - _m1$1.multiply( object.parent.matrixWorld ); - - } - - object.applyMatrix( _m1$1 ); - - object.updateWorldMatrix( false, false ); - - this.add( object ); - - return this; - - }, - - getObjectById: function ( id ) { - - return this.getObjectByProperty( 'id', id ); - - }, - - getObjectByName: function ( name ) { - - return this.getObjectByProperty( 'name', name ); - - }, - - getObjectByProperty: function ( name, value ) { - - if ( this[ name ] === value ) return this; - - for ( var i = 0, l = this.children.length; i < l; i ++ ) { - - var child = this.children[ i ]; - var object = child.getObjectByProperty( name, value ); - - if ( object !== undefined ) { - - return object; - - } - - } - - return undefined; - - }, - - getWorldPosition: function ( target ) { - - if ( target === undefined ) { - - console.warn( 'THREE.Object3D: .getWorldPosition() target is now required' ); - target = new Vector3(); - - } - - this.updateMatrixWorld( true ); - - return target.setFromMatrixPosition( this.matrixWorld ); - - }, - - getWorldQuaternion: function ( target ) { - - if ( target === undefined ) { - - console.warn( 'THREE.Object3D: .getWorldQuaternion() target is now required' ); - target = new Quaternion(); - - } - - this.updateMatrixWorld( true ); - - this.matrixWorld.decompose( _position, target, _scale ); - - return target; - - }, - - getWorldScale: function ( target ) { - - if ( target === undefined ) { - - console.warn( 'THREE.Object3D: .getWorldScale() target is now required' ); - target = new Vector3(); - - } - - this.updateMatrixWorld( true ); - - this.matrixWorld.decompose( _position, _quaternion$2, target ); - - return target; - - }, - - getWorldDirection: function ( target ) { - - if ( target === undefined ) { - - console.warn( 'THREE.Object3D: .getWorldDirection() target is now required' ); - target = new Vector3(); - - } - - this.updateMatrixWorld( true ); - - var e = this.matrixWorld.elements; - - return target.set( e[ 8 ], e[ 9 ], e[ 10 ] ).normalize(); - - }, - - raycast: function () {}, - - traverse: function ( callback ) { - - callback( this ); - - var children = this.children; - - for ( var i = 0, l = children.length; i < l; i ++ ) { - - children[ i ].traverse( callback ); - - } - - }, - - traverseVisible: function ( callback ) { - - if ( this.visible === false ) return; - - callback( this ); - - var children = this.children; - - for ( var i = 0, l = children.length; i < l; i ++ ) { - - children[ i ].traverseVisible( callback ); - - } - - }, - - traverseAncestors: function ( callback ) { - - var parent = this.parent; - - if ( parent !== null ) { - - callback( parent ); - - parent.traverseAncestors( callback ); - - } - - }, - - updateMatrix: function () { - - this.matrix.compose( this.position, this.quaternion, this.scale ); - - this.matrixWorldNeedsUpdate = true; - - }, - - updateMatrixWorld: function ( force ) { - - if ( this.matrixAutoUpdate ) this.updateMatrix(); - - if ( this.matrixWorldNeedsUpdate || force ) { - - if ( this.parent === null ) { - - this.matrixWorld.copy( this.matrix ); - - } else { - - this.matrixWorld.multiplyMatrices( this.parent.matrixWorld, this.matrix ); - - } - - this.matrixWorldNeedsUpdate = false; - - force = true; - - } - - // update children - - var children = this.children; - - for ( var i = 0, l = children.length; i < l; i ++ ) { - - children[ i ].updateMatrixWorld( force ); - - } - - }, - - updateWorldMatrix: function ( updateParents, updateChildren ) { - - var parent = this.parent; - - if ( updateParents === true && parent !== null ) { - - parent.updateWorldMatrix( true, false ); - - } - - if ( this.matrixAutoUpdate ) this.updateMatrix(); - - if ( this.parent === null ) { - - this.matrixWorld.copy( this.matrix ); - - } else { - - this.matrixWorld.multiplyMatrices( this.parent.matrixWorld, this.matrix ); - - } - - // update children - - if ( updateChildren === true ) { - - var children = this.children; - - for ( var i = 0, l = children.length; i < l; i ++ ) { - - children[ i ].updateWorldMatrix( false, true ); - - } - - } - - }, - - toJSON: function ( meta ) { - - // meta is a string when called from JSON.stringify - var isRootObject = ( meta === undefined || typeof meta === 'string' ); - - var output = {}; - - // meta is a hash used to collect geometries, materials. - // not providing it implies that this is the root object - // being serialized. - if ( isRootObject ) { - - // initialize meta obj - meta = { - geometries: {}, - materials: {}, - textures: {}, - images: {}, - shapes: {} - }; - - output.metadata = { - version: 4.5, - type: 'Object', - generator: 'Object3D.toJSON' - }; - - } - - // standard Object3D serialization - - var object = {}; - - object.uuid = this.uuid; - object.type = this.type; - - if ( this.name !== '' ) object.name = this.name; - if ( this.castShadow === true ) object.castShadow = true; - if ( this.receiveShadow === true ) object.receiveShadow = true; - if ( this.visible === false ) object.visible = false; - if ( this.frustumCulled === false ) object.frustumCulled = false; - if ( this.renderOrder !== 0 ) object.renderOrder = this.renderOrder; - if ( JSON.stringify( this.userData ) !== '{}' ) object.userData = this.userData; - - object.layers = this.layers.mask; - object.matrix = this.matrix.toArray(); - - if ( this.matrixAutoUpdate === false ) object.matrixAutoUpdate = false; - - // object specific properties - - if ( this.isMesh && this.drawMode !== TrianglesDrawMode ) object.drawMode = this.drawMode; - - // - - function serialize( library, element ) { - - if ( library[ element.uuid ] === undefined ) { - - library[ element.uuid ] = element.toJSON( meta ); - - } - - return element.uuid; - - } - - if ( this.isMesh || this.isLine || this.isPoints ) { - - object.geometry = serialize( meta.geometries, this.geometry ); - - var parameters = this.geometry.parameters; - - if ( parameters !== undefined && parameters.shapes !== undefined ) { - - var shapes = parameters.shapes; - - if ( Array.isArray( shapes ) ) { - - for ( var i = 0, l = shapes.length; i < l; i ++ ) { - - var shape = shapes[ i ]; - - serialize( meta.shapes, shape ); - - } - - } else { - - serialize( meta.shapes, shapes ); - - } - - } - - } - - if ( this.material !== undefined ) { - - if ( Array.isArray( this.material ) ) { - - var uuids = []; - - for ( var i = 0, l = this.material.length; i < l; i ++ ) { - - uuids.push( serialize( meta.materials, this.material[ i ] ) ); - - } - - object.material = uuids; - - } else { - - object.material = serialize( meta.materials, this.material ); - - } - - } - - // - - if ( this.children.length > 0 ) { - - object.children = []; - - for ( var i = 0; i < this.children.length; i ++ ) { - - object.children.push( this.children[ i ].toJSON( meta ).object ); - - } - - } - - if ( isRootObject ) { - - var geometries = extractFromCache( meta.geometries ); - var materials = extractFromCache( meta.materials ); - var textures = extractFromCache( meta.textures ); - var images = extractFromCache( meta.images ); - var shapes = extractFromCache( meta.shapes ); - - if ( geometries.length > 0 ) output.geometries = geometries; - if ( materials.length > 0 ) output.materials = materials; - if ( textures.length > 0 ) output.textures = textures; - if ( images.length > 0 ) output.images = images; - if ( shapes.length > 0 ) output.shapes = shapes; - - } - - output.object = object; - - return output; - - // extract data from the cache hash - // remove metadata on each item - // and return as array - function extractFromCache( cache ) { - - var values = []; - for ( var key in cache ) { - - var data = cache[ key ]; - delete data.metadata; - values.push( data ); - - } - return values; - - } - - }, - - clone: function ( recursive ) { - - return new this.constructor().copy( this, recursive ); - - }, - - copy: function ( source, recursive ) { - - if ( recursive === undefined ) recursive = true; - - this.name = source.name; - - this.up.copy( source.up ); - - this.position.copy( source.position ); - this.quaternion.copy( source.quaternion ); - this.scale.copy( source.scale ); - - this.matrix.copy( source.matrix ); - this.matrixWorld.copy( source.matrixWorld ); - - this.matrixAutoUpdate = source.matrixAutoUpdate; - this.matrixWorldNeedsUpdate = source.matrixWorldNeedsUpdate; - - this.layers.mask = source.layers.mask; - this.visible = source.visible; - - this.castShadow = source.castShadow; - this.receiveShadow = source.receiveShadow; - - this.frustumCulled = source.frustumCulled; - this.renderOrder = source.renderOrder; - - this.userData = JSON.parse( JSON.stringify( source.userData ) ); - - if ( recursive === true ) { - - for ( var i = 0; i < source.children.length; i ++ ) { - - var child = source.children[ i ]; - this.add( child.clone() ); - - } - - } - - return this; - - } - - } ); - - /** + * + * parameters = { + * color: , + * opacity: , + * + * linewidth: , + * linecap: "round", + * linejoin: "round" + * } + */function LineBasicMaterial(parameters){Material.call(this);this.type='LineBasicMaterial';this.color=new Color(0xffffff);this.linewidth=1;this.linecap='round';this.linejoin='round';this.setValues(parameters);}LineBasicMaterial.prototype=Object.create(Material.prototype);LineBasicMaterial.prototype.constructor=LineBasicMaterial;LineBasicMaterial.prototype.isLineBasicMaterial=true;LineBasicMaterial.prototype.copy=function(source){Material.prototype.copy.call(this,source);this.color.copy(source.color);this.linewidth=source.linewidth;this.linecap=source.linecap;this.linejoin=source.linejoin;return this;};/** * @author mrdoob / http://mrdoob.com/ - */ - - function Scene() { - - Object3D.call( this ); - - this.type = 'Scene'; - - this.background = null; - this.fog = null; - this.overrideMaterial = null; - - this.autoUpdate = true; // checked by the renderer - - if ( typeof __THREE_DEVTOOLS__ !== 'undefined' ) { - - __THREE_DEVTOOLS__.dispatchEvent( new CustomEvent( 'observe', { detail: this } ) ); // eslint-disable-line no-undef - - } - - } - - Scene.prototype = Object.assign( Object.create( Object3D.prototype ), { - - constructor: Scene, - - isScene: true, - - copy: function ( source, recursive ) { - - Object3D.prototype.copy.call( this, source, recursive ); - - if ( source.background !== null ) this.background = source.background.clone(); - if ( source.fog !== null ) this.fog = source.fog.clone(); - if ( source.overrideMaterial !== null ) this.overrideMaterial = source.overrideMaterial.clone(); - - this.autoUpdate = source.autoUpdate; - this.matrixAutoUpdate = source.matrixAutoUpdate; - - return this; - - }, - - toJSON: function ( meta ) { - - var data = Object3D.prototype.toJSON.call( this, meta ); - - if ( this.background !== null ) data.object.background = this.background.toJSON( meta ); - if ( this.fog !== null ) data.object.fog = this.fog.toJSON(); - - return data; - - }, - - dispose: function () { - - this.dispatchEvent( { type: 'dispose' } ); - - } - - } ); - - var _points = [ - new Vector3(), - new Vector3(), - new Vector3(), - new Vector3(), - new Vector3(), - new Vector3(), - new Vector3(), - new Vector3() - ]; - var _vector$2 = new Vector3(); - - // triangle centered vertices - - var _v0 = new Vector3(); - var _v1$2 = new Vector3(); - var _v2 = new Vector3(); - - // triangle edge vectors - - var _f0 = new Vector3(); - var _f1 = new Vector3(); - var _f2 = new Vector3(); - - var _center = new Vector3(); - var _extents = new Vector3(); - var _triangleNormal = new Vector3(); - var _testAxis = new Vector3(); - - /** + */var _start=new Vector3();var _end=new Vector3();var _inverseMatrix$1=new Matrix4();var _ray$1=new Ray();var _sphere$2=new Sphere();function Line(geometry,material,mode){if(mode===1){console.error('THREE.Line: parameter THREE.LinePieces no longer supported. Use THREE.LineSegments instead.');}Object3D.call(this);this.type='Line';this.geometry=geometry!==undefined?geometry:new BufferGeometry();this.material=material!==undefined?material:new LineBasicMaterial({color:Math.random()*0xffffff});}Line.prototype=Object.assign(Object.create(Object3D.prototype),{constructor:Line,isLine:true,computeLineDistances:function computeLineDistances(){var geometry=this.geometry;if(geometry.isBufferGeometry){// we assume non-indexed geometry + if(geometry.index===null){var positionAttribute=geometry.attributes.position;var lineDistances=[0];for(var i=1,l=positionAttribute.count;ilocalPrecisionSq)continue;interRay.applyMatrix4(this.matrixWorld);//Move back to world space for distance calculation + var distance=raycaster.ray.origin.distanceTo(interRay);if(distanceraycaster.far)continue;intersects.push({distance:distance,// What do we want? intersection point on the ray or on the segment?? + // point: raycaster.ray.at( distance ), + point:interSegment.clone().applyMatrix4(this.matrixWorld),index:i,face:null,faceIndex:null,object:this});}}else{for(var i=0,l=positions.length/3-1;ilocalPrecisionSq)continue;interRay.applyMatrix4(this.matrixWorld);//Move back to world space for distance calculation + var distance=raycaster.ray.origin.distanceTo(interRay);if(distanceraycaster.far)continue;intersects.push({distance:distance,// What do we want? intersection point on the ray or on the segment?? + // point: raycaster.ray.at( distance ), + point:interSegment.clone().applyMatrix4(this.matrixWorld),index:i,face:null,faceIndex:null,object:this});}}}else if(geometry.isGeometry){var vertices=geometry.vertices;var nbVertices=vertices.length;for(var i=0;ilocalPrecisionSq)continue;interRay.applyMatrix4(this.matrixWorld);//Move back to world space for distance calculation + var distance=raycaster.ray.origin.distanceTo(interRay);if(distanceraycaster.far)continue;intersects.push({distance:distance,// What do we want? intersection point on the ray or on the segment?? + // point: raycaster.ray.at( distance ), + point:interSegment.clone().applyMatrix4(this.matrixWorld),index:i,face:null,faceIndex:null,object:this});}}},clone:function clone(){return new this.constructor(this.geometry,this.material).copy(this);}});/** + * @author mrdoob / http://mrdoob.com/ + */var _start$1=new Vector3();var _end$1=new Vector3();function LineSegments(geometry,material){Line.call(this,geometry,material);this.type='LineSegments';}LineSegments.prototype=Object.assign(Object.create(Line.prototype),{constructor:LineSegments,isLineSegments:true,computeLineDistances:function computeLineDistances(){var geometry=this.geometry;if(geometry.isBufferGeometry){// we assume non-indexed geometry + if(geometry.index===null){var positionAttribute=geometry.attributes.position;var lineDistances=[];for(var i=0,l=positionAttribute.count;i, + * opacity: , + * map: new THREE.Texture( ), + * alphaMap: new THREE.Texture( ), + * + * size: , + * sizeAttenuation: + * + * morphTargets: + * } + */function PointsMaterial(parameters){Material.call(this);this.type='PointsMaterial';this.color=new Color(0xffffff);this.map=null;this.alphaMap=null;this.size=1;this.sizeAttenuation=true;this.morphTargets=false;this.setValues(parameters);}PointsMaterial.prototype=Object.create(Material.prototype);PointsMaterial.prototype.constructor=PointsMaterial;PointsMaterial.prototype.isPointsMaterial=true;PointsMaterial.prototype.copy=function(source){Material.prototype.copy.call(this,source);this.color.copy(source.color);this.map=source.map;this.alphaMap=source.alphaMap;this.size=source.size;this.sizeAttenuation=source.sizeAttenuation;this.morphTargets=source.morphTargets;return this;};/** + * @author alteredq / http://alteredqualia.com/ + */var _inverseMatrix$2=new Matrix4();var _ray$2=new Ray();var _sphere$3=new Sphere();var _position$1=new Vector3();function Points(geometry,material){Object3D.call(this);this.type='Points';this.geometry=geometry!==undefined?geometry:new BufferGeometry();this.material=material!==undefined?material:new PointsMaterial({color:Math.random()*0xffffff});this.updateMorphTargets();}Points.prototype=Object.assign(Object.create(Object3D.prototype),{constructor:Points,isPoints:true,raycast:function raycast(raycaster,intersects){var geometry=this.geometry;var matrixWorld=this.matrixWorld;var threshold=raycaster.params.Points.threshold;// Checking boundingSphere distance to ray + if(geometry.boundingSphere===null)geometry.computeBoundingSphere();_sphere$3.copy(geometry.boundingSphere);_sphere$3.applyMatrix4(matrixWorld);_sphere$3.radius+=threshold;if(raycaster.ray.intersectsSphere(_sphere$3)===false)return;// + _inverseMatrix$2.getInverse(matrixWorld);_ray$2.copy(raycaster.ray).applyMatrix4(_inverseMatrix$2);var localThreshold=threshold/((this.scale.x+this.scale.y+this.scale.z)/3);var localThresholdSq=localThreshold*localThreshold;if(geometry.isBufferGeometry){var index=geometry.index;var attributes=geometry.attributes;var positions=attributes.position.array;if(index!==null){var indices=index.array;for(var i=0,il=indices.length;i0){var morphAttribute=morphAttributes[keys[0]];if(morphAttribute!==undefined){this.morphTargetInfluences=[];this.morphTargetDictionary={};for(m=0,ml=morphAttribute.length;m0){console.error('THREE.Points.updateMorphTargets() does not support THREE.Geometry. Use THREE.BufferGeometry instead.');}}},clone:function clone(){return new this.constructor(this.geometry,this.material).copy(this);}});function testPoint(point,index,localThresholdSq,matrixWorld,raycaster,intersects,object){var rayPointDistanceSq=_ray$2.distanceSqToPoint(point);if(rayPointDistanceSqraycaster.far)return;intersects.push({distance:distance,distanceToRay:Math.sqrt(rayPointDistanceSq),point:intersectPoint,index:index,face:null,object:object});}}/** + * @author mrdoob / http://mrdoob.com/ + */function VideoTexture(video,mapping,wrapS,wrapT,magFilter,minFilter,format,type,anisotropy){Texture.call(this,video,mapping,wrapS,wrapT,magFilter,minFilter,format,type,anisotropy);this.format=format!==undefined?format:RGBFormat;this.minFilter=minFilter!==undefined?minFilter:LinearFilter;this.magFilter=magFilter!==undefined?magFilter:LinearFilter;this.generateMipmaps=false;}VideoTexture.prototype=Object.assign(Object.create(Texture.prototype),{constructor:VideoTexture,isVideoTexture:true,update:function update(){var video=this.image;if(video.readyState>=video.HAVE_CURRENT_DATA){this.needsUpdate=true;}}});/** + * @author alteredq / http://alteredqualia.com/ + */function CompressedTexture(mipmaps,width,height,format,type,mapping,wrapS,wrapT,magFilter,minFilter,anisotropy,encoding){Texture.call(this,null,mapping,wrapS,wrapT,magFilter,minFilter,format,type,anisotropy,encoding);this.image={width:width,height:height};this.mipmaps=mipmaps;// no flipping for cube textures + // (also flipping doesn't work for compressed textures ) + this.flipY=false;// can't generate mipmaps for compressed textures + // mips must be embedded in DDS files + this.generateMipmaps=false;}CompressedTexture.prototype=Object.create(Texture.prototype);CompressedTexture.prototype.constructor=CompressedTexture;CompressedTexture.prototype.isCompressedTexture=true;/** + * @author mrdoob / http://mrdoob.com/ + */function CanvasTexture(canvas,mapping,wrapS,wrapT,magFilter,minFilter,format,type,anisotropy){Texture.call(this,canvas,mapping,wrapS,wrapT,magFilter,minFilter,format,type,anisotropy);this.needsUpdate=true;}CanvasTexture.prototype=Object.create(Texture.prototype);CanvasTexture.prototype.constructor=CanvasTexture;CanvasTexture.prototype.isCanvasTexture=true;/** + * @author Matt DesLauriers / @mattdesl + * @author atix / arthursilber.de + */function DepthTexture(width,height,type,mapping,wrapS,wrapT,magFilter,minFilter,anisotropy,format){format=format!==undefined?format:DepthFormat;if(format!==DepthFormat&&format!==DepthStencilFormat){throw new Error('DepthTexture format must be either THREE.DepthFormat or THREE.DepthStencilFormat');}if(type===undefined&&format===DepthFormat)type=UnsignedShortType;if(type===undefined&&format===DepthStencilFormat)type=UnsignedInt248Type;Texture.call(this,null,mapping,wrapS,wrapT,magFilter,minFilter,format,type,anisotropy);this.image={width:width,height:height};this.magFilter=magFilter!==undefined?magFilter:NearestFilter;this.minFilter=minFilter!==undefined?minFilter:NearestFilter;this.flipY=false;this.generateMipmaps=false;}DepthTexture.prototype=Object.create(Texture.prototype);DepthTexture.prototype.constructor=DepthTexture;DepthTexture.prototype.isDepthTexture=true;/** + * @author mrdoob / http://mrdoob.com/ + * @author Mugen87 / https://github.com/Mugen87 + */function WireframeGeometry(geometry){BufferGeometry.call(this);this.type='WireframeGeometry';// buffer + var vertices=[];// helper variables + var i,j,l,o,ol;var edge=[0,0],edges={},e,edge1,edge2;var key,keys=['a','b','c'];var vertex;// different logic for Geometry and BufferGeometry + if(geometry&&geometry.isGeometry){// create a data structure that contains all edges without duplicates + var faces=geometry.faces;for(i=0,l=faces.length;i=0){func(u-EPS,v,p1);pu.subVectors(p0,p1);}else{func(u+EPS,v,p1);pu.subVectors(p1,p0);}if(v-EPS>=0){func(u,v-EPS,p1);pv.subVectors(p0,p1);}else{func(u,v+EPS,p1);pv.subVectors(p1,p0);}// cross product of tangent vectors returns surface normal + normal.crossVectors(pu,pv).normalize();normals.push(normal.x,normal.y,normal.z);// uv + uvs.push(u,v);}}// generate indices + for(i=0;i0.9&&min<0.1){if(x0<0.2)uvBuffer[i+0]+=1;if(x1<0.2)uvBuffer[i+2]+=1;if(x2<0.2)uvBuffer[i+4]+=1;}}}function pushVertex(vertex){vertexBuffer.push(vertex.x,vertex.y,vertex.z);}function getVertexByIndex(index,vertex){var stride=index*3;vertex.x=vertices[stride+0];vertex.y=vertices[stride+1];vertex.z=vertices[stride+2];}function correctUVs(){var a=new Vector3();var b=new Vector3();var c=new Vector3();var centroid=new Vector3();var uvA=new Vector2();var uvB=new Vector2();var uvC=new Vector2();for(var i=0,j=0;i80*dim){minX=maxX=data[0];minY=maxY=data[1];for(var i=dim;imaxX)maxX=x;if(y>maxY)maxY=y;}// minX, minY and invSize are later used to transform coords into integers for z-order calculation + invSize=Math.max(maxX-minX,maxY-minY);invSize=invSize!==0?1/invSize:0;}earcutLinked(outerNode,triangles,dim,minX,minY,invSize);return triangles;}};// create a circular doubly linked list from polygon points in the specified winding order + function linkedList(data,start,end,dim,clockwise){var i,last;if(clockwise===signedArea(data,start,end,dim)>0){for(i=start;i=start;i-=dim){last=insertNode(i,data[i],data[i+1],last);}}if(last&&equals(last,last.next)){removeNode(last);last=last.next;}return last;}// eliminate colinear or duplicate points + function filterPoints(start,end){if(!start)return start;if(!end)end=start;var p=start,again;do{again=false;if(!p.steiner&&(equals(p,p.next)||area(p.prev,p,p.next)===0)){removeNode(p);p=end=p.prev;if(p===p.next)break;again=true;}else{p=p.next;}}while(again||p!==end);return end;}// main ear slicing loop which triangulates a polygon (given as a linked list) + function earcutLinked(ear,triangles,dim,minX,minY,invSize,pass){if(!ear)return;// interlink polygon nodes in z-order + if(!pass&&invSize)indexCurve(ear,minX,minY,invSize);var stop=ear,prev,next;// iterate through ears, slicing them one by one + while(ear.prev!==ear.next){prev=ear.prev;next=ear.next;if(invSize?isEarHashed(ear,minX,minY,invSize):isEar(ear)){// cut off the triangle + triangles.push(prev.i/dim);triangles.push(ear.i/dim);triangles.push(next.i/dim);removeNode(ear);// skipping the next vertex leads to less sliver triangles + ear=next.next;stop=next.next;continue;}ear=next;// if we looped through the whole remaining polygon and can't find any more ears + if(ear===stop){// try filtering points and slicing again + if(!pass){earcutLinked(filterPoints(ear),triangles,dim,minX,minY,invSize,1);// if this didn't work, try curing all small self-intersections locally + }else if(pass===1){ear=cureLocalIntersections(ear,triangles,dim);earcutLinked(ear,triangles,dim,minX,minY,invSize,2);// as a last resort, try splitting the remaining polygon into two + }else if(pass===2){splitEarcut(ear,triangles,dim,minX,minY,invSize);}break;}}}// check whether a polygon node forms a valid ear with adjacent nodes + function isEar(ear){var a=ear.prev,b=ear,c=ear.next;if(area(a,b,c)>=0)return false;// reflex, can't be an ear + // now make sure we don't have other points inside the potential ear + var p=ear.next.next;while(p!==ear.prev){if(pointInTriangle(a.x,a.y,b.x,b.y,c.x,c.y,p.x,p.y)&&area(p.prev,p,p.next)>=0)return false;p=p.next;}return true;}function isEarHashed(ear,minX,minY,invSize){var a=ear.prev,b=ear,c=ear.next;if(area(a,b,c)>=0)return false;// reflex, can't be an ear + // triangle bbox; min & max are calculated like this for speed + var minTX=a.xb.x?a.x>c.x?a.x:c.x:b.x>c.x?b.x:c.x,maxTY=a.y>b.y?a.y>c.y?a.y:c.y:b.y>c.y?b.y:c.y;// z-order range for the current triangle bbox; + var minZ=zOrder(minTX,minTY,minX,minY,invSize),maxZ=zOrder(maxTX,maxTY,minX,minY,invSize);var p=ear.prevZ,n=ear.nextZ;// look for points inside the triangle in both directions + while(p&&p.z>=minZ&&n&&n.z<=maxZ){if(p!==ear.prev&&p!==ear.next&&pointInTriangle(a.x,a.y,b.x,b.y,c.x,c.y,p.x,p.y)&&area(p.prev,p,p.next)>=0)return false;p=p.prevZ;if(n!==ear.prev&&n!==ear.next&&pointInTriangle(a.x,a.y,b.x,b.y,c.x,c.y,n.x,n.y)&&area(n.prev,n,n.next)>=0)return false;n=n.nextZ;}// look for remaining points in decreasing z-order + while(p&&p.z>=minZ){if(p!==ear.prev&&p!==ear.next&&pointInTriangle(a.x,a.y,b.x,b.y,c.x,c.y,p.x,p.y)&&area(p.prev,p,p.next)>=0)return false;p=p.prevZ;}// look for remaining points in increasing z-order + while(n&&n.z<=maxZ){if(n!==ear.prev&&n!==ear.next&&pointInTriangle(a.x,a.y,b.x,b.y,c.x,c.y,n.x,n.y)&&area(n.prev,n,n.next)>=0)return false;n=n.nextZ;}return true;}// go through all polygon nodes and cure small local self-intersections + function cureLocalIntersections(start,triangles,dim){var p=start;do{var a=p.prev,b=p.next.next;if(!equals(a,b)&&intersects(a,p,p.next,b)&&locallyInside(a,b)&&locallyInside(b,a)){triangles.push(a.i/dim);triangles.push(p.i/dim);triangles.push(b.i/dim);// remove two nodes involved + removeNode(p);removeNode(p.next);p=start=b;}p=p.next;}while(p!==start);return p;}// try splitting polygon into two and triangulate them independently + function splitEarcut(start,triangles,dim,minX,minY,invSize){// look for a valid diagonal that divides the polygon into two + var a=start;do{var b=a.next.next;while(b!==a.prev){if(a.i!==b.i&&isValidDiagonal(a,b)){// split the polygon in two by the diagonal + var c=splitPolygon(a,b);// filter colinear points around the cuts + a=filterPoints(a,a.next);c=filterPoints(c,c.next);// run earcut on each half + earcutLinked(a,triangles,dim,minX,minY,invSize);earcutLinked(c,triangles,dim,minX,minY,invSize);return;}b=b.next;}a=a.next;}while(a!==start);}// link every hole into the outer loop, producing a single-ring polygon without holes + function eliminateHoles(data,holeIndices,outerNode,dim){var queue=[],i,len,start,end,list;for(i=0,len=holeIndices.length;i=p.next.y&&p.next.y!==p.y){var x=p.x+(hy-p.y)*(p.next.x-p.x)/(p.next.y-p.y);if(x<=hx&&x>qx){qx=x;if(x===hx){if(hy===p.y)return p;if(hy===p.next.y)return p.next;}m=p.x=p.x&&p.x>=mx&&hx!==p.x&&pointInTriangle(hym.x)&&locallyInside(p,hole)){m=p;tanMin=tan;}}p=p.next;}return m;}// interlink polygon nodes in z-order + function indexCurve(start,minX,minY,invSize){var p=start;do{if(p.z===null)p.z=zOrder(p.x,p.y,minX,minY,invSize);p.prevZ=p.prev;p.nextZ=p.next;p=p.next;}while(p!==start);p.prevZ.nextZ=null;p.prevZ=null;sortLinked(p);}// Simon Tatham's linked list merge sort algorithm + // http://www.chiark.greenend.org.uk/~sgtatham/algorithms/listsort.html + function sortLinked(list){var i,p,q,e,tail,numMerges,pSize,qSize,inSize=1;do{p=list;list=null;tail=null;numMerges=0;while(p){numMerges++;q=p;pSize=0;for(i=0;i0||qSize>0&&q){if(pSize!==0&&(qSize===0||!q||p.z<=q.z)){e=p;p=p.nextZ;pSize--;}else{e=q;q=q.nextZ;qSize--;}if(tail)tail.nextZ=e;else list=e;e.prevZ=tail;tail=e;}p=q;}tail.nextZ=null;inSize*=2;}while(numMerges>1);return list;}// z-order of a point given coords and inverse of the longer side of data bbox + function zOrder(x,y,minX,minY,invSize){// coords are transformed into non-negative 15-bit integer range + x=32767*(x-minX)*invSize;y=32767*(y-minY)*invSize;x=(x|x<<8)&0x00FF00FF;x=(x|x<<4)&0x0F0F0F0F;x=(x|x<<2)&0x33333333;x=(x|x<<1)&0x55555555;y=(y|y<<8)&0x00FF00FF;y=(y|y<<4)&0x0F0F0F0F;y=(y|y<<2)&0x33333333;y=(y|y<<1)&0x55555555;return x|y<<1;}// find the leftmost node of a polygon ring + function getLeftmost(start){var p=start,leftmost=start;do{if(p.x=0&&(ax-px)*(by-py)-(bx-px)*(ay-py)>=0&&(bx-px)*(cy-py)-(cx-px)*(by-py)>=0;}// check if a diagonal between two polygon nodes is valid (lies in polygon interior) + function isValidDiagonal(a,b){return a.next.i!==b.i&&a.prev.i!==b.i&&!intersectsPolygon(a,b)&&locallyInside(a,b)&&locallyInside(b,a)&&middleInside(a,b);}// signed area of a triangle + function area(p,q,r){return (q.y-p.y)*(r.x-q.x)-(q.x-p.x)*(r.y-q.y);}// check if two points are equal + function equals(p1,p2){return p1.x===p2.x&&p1.y===p2.y;}// check if two segments intersect + function intersects(p1,q1,p2,q2){if(equals(p1,p2)&&equals(q1,q2)||equals(p1,q2)&&equals(p2,q1))return true;return area(p1,q1,p2)>0!==area(p1,q1,q2)>0&&area(p2,q2,p1)>0!==area(p2,q2,q1)>0;}// check if a polygon diagonal intersects any polygon segments + function intersectsPolygon(a,b){var p=a;do{if(p.i!==a.i&&p.next.i!==a.i&&p.i!==b.i&&p.next.i!==b.i&&intersects(p,p.next,a,b))return true;p=p.next;}while(p!==a);return false;}// check if a polygon diagonal is locally inside the polygon + function locallyInside(a,b){return area(a.prev,a,a.next)<0?area(a,b,a.next)>=0&&area(a,a.prev,b)>=0:area(a,b,a.prev)<0||area(a,a.next,b)<0;}// check if the middle point of a polygon diagonal is inside the polygon + function middleInside(a,b){var p=a,inside=false,px=(a.x+b.x)/2,py=(a.y+b.y)/2;do{if(p.y>py!==p.next.y>py&&p.next.y!==p.y&&px<(p.next.x-p.x)*(py-p.y)/(p.next.y-p.y)+p.x)inside=!inside;p=p.next;}while(p!==a);return inside;}// link two polygon vertices with a bridge; if the vertices belong to the same ring, it splits polygon into two; + // if one belongs to the outer ring and another to a hole, it merges it into a single ring + function splitPolygon(a,b){var a2=new Node(a.i,a.x,a.y),b2=new Node(b.i,b.x,b.y),an=a.next,bp=b.prev;a.next=b;b.prev=a;a2.next=an;an.prev=a2;b2.next=a2;a2.prev=b2;bp.next=b2;b2.prev=bp;return b2;}// create a node and optionally link it with previous one (in a circular doubly linked list) + function insertNode(i,x,y,last){var p=new Node(i,x,y);if(!last){p.prev=p;p.next=p;}else{p.next=last.next;p.prev=last;last.next.prev=p;last.next=p;}return p;}function removeNode(p){p.next.prev=p.prev;p.prev.next=p.next;if(p.prevZ)p.prevZ.nextZ=p.nextZ;if(p.nextZ)p.nextZ.prevZ=p.prevZ;}function Node(i,x,y){// vertex index in coordinates array + this.i=i;// vertex coordinates + this.x=x;this.y=y;// previous and next vertex nodes in a polygon ring + this.prev=null;this.next=null;// z-order curve value + this.z=null;// previous and next nodes in z-order + this.prevZ=null;this.nextZ=null;// indicates whether this is a steiner point + this.steiner=false;}function signedArea(data,start,end,dim){var sum=0;for(var i=start,j=end-dim;i2&&points[l-1].equals(points[0])){points.pop();}}function addContour(vertices,contour){for(var i=0;i, // number of points on the curves + * steps: , // number of points for z-side extrusions / used for subdividing segments of extrude spline too + * depth: , // Depth to extrude the shape + * + * bevelEnabled: , // turn on bevel + * bevelThickness: , // how deep into the original shape bevel goes + * bevelSize: , // how far from shape outline (including bevelOffset) is bevel + * bevelOffset: , // how far from shape outline does bevel start + * bevelSegments: , // number of bevel layers + * + * extrudePath: // curve to extrude shape along + * + * UVGenerator: // object that provides UV generator functions + * + * } + */ // ExtrudeGeometry + function ExtrudeGeometry(shapes,options){Geometry.call(this);this.type='ExtrudeGeometry';this.parameters={shapes:shapes,options:options};this.fromBufferGeometry(new ExtrudeBufferGeometry(shapes,options));this.mergeVertices();}ExtrudeGeometry.prototype=Object.create(Geometry.prototype);ExtrudeGeometry.prototype.constructor=ExtrudeGeometry;ExtrudeGeometry.prototype.toJSON=function(){var data=Geometry.prototype.toJSON.call(this);var shapes=this.parameters.shapes;var options=this.parameters.options;return toJSON(shapes,options,data);};// ExtrudeBufferGeometry + function ExtrudeBufferGeometry(shapes,options){BufferGeometry.call(this);this.type='ExtrudeBufferGeometry';this.parameters={shapes:shapes,options:options};shapes=Array.isArray(shapes)?shapes:[shapes];var scope=this;var verticesArray=[];var uvArray=[];for(var i=0,l=shapes.length;iNumber.EPSILON){// not collinear + // length of vectors for normalizing + var v_prev_len=Math.sqrt(v_prev_lensq);var v_next_len=Math.sqrt(v_next_x*v_next_x+v_next_y*v_next_y);// shift adjacent points by unit vectors to the left + var ptPrevShift_x=inPrev.x-v_prev_y/v_prev_len;var ptPrevShift_y=inPrev.y+v_prev_x/v_prev_len;var ptNextShift_x=inNext.x-v_next_y/v_next_len;var ptNextShift_y=inNext.y+v_next_x/v_next_len;// scaling factor for v_prev to intersection point + var sf=((ptNextShift_x-ptPrevShift_x)*v_next_y-(ptNextShift_y-ptPrevShift_y)*v_next_x)/(v_prev_x*v_next_y-v_prev_y*v_next_x);// vector from inPt to intersection point + v_trans_x=ptPrevShift_x+v_prev_x*sf-inPt.x;v_trans_y=ptPrevShift_y+v_prev_y*sf-inPt.y;// Don't normalize!, otherwise sharp corners become ugly + // but prevent crazy spikes + var v_trans_lensq=v_trans_x*v_trans_x+v_trans_y*v_trans_y;if(v_trans_lensq<=2){return new Vector2(v_trans_x,v_trans_y);}else{shrink_by=Math.sqrt(v_trans_lensq/2);}}else{// handle special case of collinear edges + var direction_eq=false;// assumes: opposite + if(v_prev_x>Number.EPSILON){if(v_next_x>Number.EPSILON){direction_eq=true;}}else{if(v_prev_x<-Number.EPSILON){if(v_next_x<-Number.EPSILON){direction_eq=true;}}else{if(Math.sign(v_prev_y)===Math.sign(v_next_y)){direction_eq=true;}}}if(direction_eq){// console.log("Warning: lines are a straight sequence"); + v_trans_x=-v_prev_y;v_trans_y=v_prev_x;shrink_by=Math.sqrt(v_prev_lensq);}else{// console.log("Warning: lines are a straight spike"); + v_trans_x=v_prev_x;v_trans_y=v_prev_y;shrink_by=Math.sqrt(v_prev_lensq/2);}}return new Vector2(v_trans_x/shrink_by,v_trans_y/shrink_by);}var contourMovements=[];for(var i=0,il=contour.length,j=il-1,k=i+1;i 0; b -- ) { + t=b/bevelSegments;z=bevelThickness*Math.cos(t*Math.PI/2);bs=bevelSize*Math.sin(t*Math.PI/2)+bevelOffset;// contract shape + for(i=0,il=contour.length;i=0;b--){t=b/bevelSegments;z=bevelThickness*Math.cos(t*Math.PI/2);bs=bevelSize*Math.sin(t*Math.PI/2)+bevelOffset;// contract shape + for(i=0,il=contour.length;i=0){j=i;k=i-1;if(k<0)k=contour.length-1;//console.log('b', i,j, i-1, k,vertices.length); + var s=0,sl=steps+bevelSegments*2;for(s=0;s, // font + * + * size: , // size of the text + * height: , // thickness to extrude text + * curveSegments: , // number of points on the curves + * + * bevelEnabled: , // turn on bevel + * bevelThickness: , // how deep into text bevel goes + * bevelSize: , // how far from text outline (including bevelOffset) is bevel + * bevelOffset: // how far from text outline does bevel start + * } + */ // TextGeometry + function TextGeometry(text,parameters){Geometry.call(this);this.type='TextGeometry';this.parameters={text:text,parameters:parameters};this.fromBufferGeometry(new TextBufferGeometry(text,parameters));this.mergeVertices();}TextGeometry.prototype=Object.create(Geometry.prototype);TextGeometry.prototype.constructor=TextGeometry;// TextBufferGeometry + function TextBufferGeometry(text,parameters){parameters=parameters||{};var font=parameters.font;if(!(font&&font.isFont)){console.error('THREE.TextGeometry: font parameter is not an instance of THREE.Font.');return new Geometry();}var shapes=font.generateShapes(text,parameters.size);// translate parameters to ExtrudeGeometry API + parameters.depth=parameters.height!==undefined?parameters.height:50;// defaults + if(parameters.bevelThickness===undefined)parameters.bevelThickness=10;if(parameters.bevelSize===undefined)parameters.bevelSize=8;if(parameters.bevelEnabled===undefined)parameters.bevelEnabled=false;ExtrudeBufferGeometry.call(this,shapes,parameters);this.type='TextBufferGeometry';}TextBufferGeometry.prototype=Object.create(ExtrudeBufferGeometry.prototype);TextBufferGeometry.prototype.constructor=TextBufferGeometry;/** + * @author mrdoob / http://mrdoob.com/ + * @author benaadams / https://twitter.com/ben_a_adams + * @author Mugen87 / https://github.com/Mugen87 + */ // SphereGeometry + function SphereGeometry(radius,widthSegments,heightSegments,phiStart,phiLength,thetaStart,thetaLength){Geometry.call(this);this.type='SphereGeometry';this.parameters={radius:radius,widthSegments:widthSegments,heightSegments:heightSegments,phiStart:phiStart,phiLength:phiLength,thetaStart:thetaStart,thetaLength:thetaLength};this.fromBufferGeometry(new SphereBufferGeometry(radius,widthSegments,heightSegments,phiStart,phiLength,thetaStart,thetaLength));this.mergeVertices();}SphereGeometry.prototype=Object.create(Geometry.prototype);SphereGeometry.prototype.constructor=SphereGeometry;// SphereBufferGeometry + function SphereBufferGeometry(radius,widthSegments,heightSegments,phiStart,phiLength,thetaStart,thetaLength){BufferGeometry.call(this);this.type='SphereBufferGeometry';this.parameters={radius:radius,widthSegments:widthSegments,heightSegments:heightSegments,phiStart:phiStart,phiLength:phiLength,thetaStart:thetaStart,thetaLength:thetaLength};radius=radius||1;widthSegments=Math.max(3,Math.floor(widthSegments)||8);heightSegments=Math.max(2,Math.floor(heightSegments)||6);phiStart=phiStart!==undefined?phiStart:0;phiLength=phiLength!==undefined?phiLength:Math.PI*2;thetaStart=thetaStart!==undefined?thetaStart:0;thetaLength=thetaLength!==undefined?thetaLength:Math.PI;var thetaEnd=Math.min(thetaStart+thetaLength,Math.PI);var ix,iy;var index=0;var grid=[];var vertex=new Vector3();var normal=new Vector3();// buffers + var indices=[];var vertices=[];var normals=[];var uvs=[];// generate vertices, normals and uvs + for(iy=0;iy<=heightSegments;iy++){var verticesRow=[];var v=iy/heightSegments;// special case for the poles + var uOffset=0;if(iy==0&&thetaStart==0){uOffset=0.5/widthSegments;}else if(iy==heightSegments&&thetaEnd==Math.PI){uOffset=-0.5/widthSegments;}for(ix=0;ix<=widthSegments;ix++){var u=ix/widthSegments;// vertex + vertex.x=-radius*Math.cos(phiStart+u*phiLength)*Math.sin(thetaStart+v*thetaLength);vertex.y=radius*Math.cos(thetaStart+v*thetaLength);vertex.z=radius*Math.sin(phiStart+u*phiLength)*Math.sin(thetaStart+v*thetaLength);vertices.push(vertex.x,vertex.y,vertex.z);// normal + normal.copy(vertex).normalize();normals.push(normal.x,normal.y,normal.z);// uv + uvs.push(u+uOffset,1-v);verticesRow.push(index++);}grid.push(verticesRow);}// indices + for(iy=0;iy0)indices.push(a,b,d);if(iy!==heightSegments-1||thetaEnd maxX ) maxX = x; - if ( y > maxY ) maxY = y; - if ( z > maxZ ) maxZ = z; - - } - - this.min.set( minX, minY, minZ ); - this.max.set( maxX, maxY, maxZ ); - - return this; - - }, - - setFromBufferAttribute: function ( attribute ) { - - var minX = + Infinity; - var minY = + Infinity; - var minZ = + Infinity; - - var maxX = - Infinity; - var maxY = - Infinity; - var maxZ = - Infinity; - - for ( var i = 0, l = attribute.count; i < l; i ++ ) { - - var x = attribute.getX( i ); - var y = attribute.getY( i ); - var z = attribute.getZ( i ); - - if ( x < minX ) minX = x; - if ( y < minY ) minY = y; - if ( z < minZ ) minZ = z; - - if ( x > maxX ) maxX = x; - if ( y > maxY ) maxY = y; - if ( z > maxZ ) maxZ = z; - - } - - this.min.set( minX, minY, minZ ); - this.max.set( maxX, maxY, maxZ ); - - return this; - - }, - - setFromPoints: function ( points ) { - - this.makeEmpty(); - - for ( var i = 0, il = points.length; i < il; i ++ ) { - - this.expandByPoint( points[ i ] ); - - } - - return this; - - }, - - setFromCenterAndSize: function ( center, size ) { - - var halfSize = _vector$2.copy( size ).multiplyScalar( 0.5 ); - - this.min.copy( center ).sub( halfSize ); - this.max.copy( center ).add( halfSize ); - - return this; - - }, - - setFromObject: function ( object ) { - - this.makeEmpty(); - - return this.expandByObject( object ); - - }, - - clone: function () { - - return new this.constructor().copy( this ); - - }, - - copy: function ( box ) { - - this.min.copy( box.min ); - this.max.copy( box.max ); - - return this; - - }, - - makeEmpty: function () { - - this.min.x = this.min.y = this.min.z = + Infinity; - this.max.x = this.max.y = this.max.z = - Infinity; - - return this; - - }, - - isEmpty: function () { - - // this is a more robust check for empty than ( volume <= 0 ) because volume can get positive with two negative axes - - return ( this.max.x < this.min.x ) || ( this.max.y < this.min.y ) || ( this.max.z < this.min.z ); - - }, - - getCenter: function ( target ) { - - if ( target === undefined ) { - - console.warn( 'THREE.Box3: .getCenter() target is now required' ); - target = new Vector3(); - - } - - return this.isEmpty() ? target.set( 0, 0, 0 ) : target.addVectors( this.min, this.max ).multiplyScalar( 0.5 ); - - }, - - getSize: function ( target ) { - - if ( target === undefined ) { - - console.warn( 'THREE.Box3: .getSize() target is now required' ); - target = new Vector3(); - - } - - return this.isEmpty() ? target.set( 0, 0, 0 ) : target.subVectors( this.max, this.min ); - - }, - - expandByPoint: function ( point ) { - - this.min.min( point ); - this.max.max( point ); - - return this; - - }, - - expandByVector: function ( vector ) { - - this.min.sub( vector ); - this.max.add( vector ); - - return this; - - }, - - expandByScalar: function ( scalar ) { - - this.min.addScalar( - scalar ); - this.max.addScalar( scalar ); - - return this; - - }, - - expandByObject: function ( object ) { - - var i, l; - - // Computes the world-axis-aligned bounding box of an object (including its children), - // accounting for both the object's, and children's, world transforms - - object.updateWorldMatrix( false, false ); - - var geometry = object.geometry; - - if ( geometry !== undefined ) { - - if ( geometry.isGeometry ) { - - var vertices = geometry.vertices; - - for ( i = 0, l = vertices.length; i < l; i ++ ) { - - _vector$2.copy( vertices[ i ] ); - _vector$2.applyMatrix4( object.matrixWorld ); - - this.expandByPoint( _vector$2 ); - - } - - } else if ( geometry.isBufferGeometry ) { - - var attribute = geometry.attributes.position; - - if ( attribute !== undefined ) { - - for ( i = 0, l = attribute.count; i < l; i ++ ) { - - _vector$2.fromBufferAttribute( attribute, i ).applyMatrix4( object.matrixWorld ); - - this.expandByPoint( _vector$2 ); - - } - - } - - } - - } - - // - - var children = object.children; - - for ( i = 0, l = children.length; i < l; i ++ ) { - - this.expandByObject( children[ i ] ); - - } - - return this; - - }, - - containsPoint: function ( point ) { - - return point.x < this.min.x || point.x > this.max.x || - point.y < this.min.y || point.y > this.max.y || - point.z < this.min.z || point.z > this.max.z ? false : true; - - }, - - containsBox: function ( box ) { - - return this.min.x <= box.min.x && box.max.x <= this.max.x && - this.min.y <= box.min.y && box.max.y <= this.max.y && - this.min.z <= box.min.z && box.max.z <= this.max.z; - - }, - - getParameter: function ( point, target ) { - - // This can potentially have a divide by zero if the box - // has a size dimension of 0. - - if ( target === undefined ) { - - console.warn( 'THREE.Box3: .getParameter() target is now required' ); - target = new Vector3(); - - } - - return target.set( - ( point.x - this.min.x ) / ( this.max.x - this.min.x ), - ( point.y - this.min.y ) / ( this.max.y - this.min.y ), - ( point.z - this.min.z ) / ( this.max.z - this.min.z ) - ); - - }, - - intersectsBox: function ( box ) { - - // using 6 splitting planes to rule out intersections. - return box.max.x < this.min.x || box.min.x > this.max.x || - box.max.y < this.min.y || box.min.y > this.max.y || - box.max.z < this.min.z || box.min.z > this.max.z ? false : true; - - }, - - intersectsSphere: function ( sphere ) { - - // Find the point on the AABB closest to the sphere center. - this.clampPoint( sphere.center, _vector$2 ); - - // If that point is inside the sphere, the AABB and sphere intersect. - return _vector$2.distanceToSquared( sphere.center ) <= ( sphere.radius * sphere.radius ); - - }, - - intersectsPlane: function ( plane ) { - - // We compute the minimum and maximum dot product values. If those values - // are on the same side (back or front) of the plane, then there is no intersection. - - var min, max; - - if ( plane.normal.x > 0 ) { - - min = plane.normal.x * this.min.x; - max = plane.normal.x * this.max.x; - - } else { - - min = plane.normal.x * this.max.x; - max = plane.normal.x * this.min.x; - - } - - if ( plane.normal.y > 0 ) { - - min += plane.normal.y * this.min.y; - max += plane.normal.y * this.max.y; - - } else { - - min += plane.normal.y * this.max.y; - max += plane.normal.y * this.min.y; - - } - - if ( plane.normal.z > 0 ) { - - min += plane.normal.z * this.min.z; - max += plane.normal.z * this.max.z; - - } else { - - min += plane.normal.z * this.max.z; - max += plane.normal.z * this.min.z; - - } - - return ( min <= - plane.constant && max >= - plane.constant ); - - }, - - intersectsTriangle: function ( triangle ) { - - if ( this.isEmpty() ) { - - return false; - - } - - // compute box center and extents - this.getCenter( _center ); - _extents.subVectors( this.max, _center ); - - // translate triangle to aabb origin - _v0.subVectors( triangle.a, _center ); - _v1$2.subVectors( triangle.b, _center ); - _v2.subVectors( triangle.c, _center ); - - // compute edge vectors for triangle - _f0.subVectors( _v1$2, _v0 ); - _f1.subVectors( _v2, _v1$2 ); - _f2.subVectors( _v0, _v2 ); - - // test against axes that are given by cross product combinations of the edges of the triangle and the edges of the aabb - // make an axis testing of each of the 3 sides of the aabb against each of the 3 sides of the triangle = 9 axis of separation - // axis_ij = u_i x f_j (u0, u1, u2 = face normals of aabb = x,y,z axes vectors since aabb is axis aligned) - var axes = [ - 0, - _f0.z, _f0.y, 0, - _f1.z, _f1.y, 0, - _f2.z, _f2.y, - _f0.z, 0, - _f0.x, _f1.z, 0, - _f1.x, _f2.z, 0, - _f2.x, - - _f0.y, _f0.x, 0, - _f1.y, _f1.x, 0, - _f2.y, _f2.x, 0 - ]; - if ( ! satForAxes( axes, _v0, _v1$2, _v2, _extents ) ) { - - return false; - - } - - // test 3 face normals from the aabb - axes = [ 1, 0, 0, 0, 1, 0, 0, 0, 1 ]; - if ( ! satForAxes( axes, _v0, _v1$2, _v2, _extents ) ) { - - return false; - - } - - // finally testing the face normal of the triangle - // use already existing triangle edge vectors here - _triangleNormal.crossVectors( _f0, _f1 ); - axes = [ _triangleNormal.x, _triangleNormal.y, _triangleNormal.z ]; - - return satForAxes( axes, _v0, _v1$2, _v2, _extents ); - - }, - - clampPoint: function ( point, target ) { - - if ( target === undefined ) { - - console.warn( 'THREE.Box3: .clampPoint() target is now required' ); - target = new Vector3(); - - } - - return target.copy( point ).clamp( this.min, this.max ); - - }, - - distanceToPoint: function ( point ) { - - var clampedPoint = _vector$2.copy( point ).clamp( this.min, this.max ); - - return clampedPoint.sub( point ).length(); - - }, - - getBoundingSphere: function ( target ) { - - if ( target === undefined ) { - - console.error( 'THREE.Box3: .getBoundingSphere() target is now required' ); - //target = new Sphere(); // removed to avoid cyclic dependency - - } - - this.getCenter( target.center ); - - target.radius = this.getSize( _vector$2 ).length() * 0.5; - - return target; - - }, - - intersect: function ( box ) { - - this.min.max( box.min ); - this.max.min( box.max ); - - // ensure that if there is no overlap, the result is fully empty, not slightly empty with non-inf/+inf values that will cause subsequence intersects to erroneously return valid values. - if ( this.isEmpty() ) this.makeEmpty(); - - return this; - - }, - - union: function ( box ) { - - this.min.min( box.min ); - this.max.max( box.max ); - - return this; - - }, - - applyMatrix4: function ( matrix ) { - - // transform of empty box is an empty box. - if ( this.isEmpty() ) return this; - - // NOTE: I am using a binary pattern to specify all 2^3 combinations below - _points[ 0 ].set( this.min.x, this.min.y, this.min.z ).applyMatrix4( matrix ); // 000 - _points[ 1 ].set( this.min.x, this.min.y, this.max.z ).applyMatrix4( matrix ); // 001 - _points[ 2 ].set( this.min.x, this.max.y, this.min.z ).applyMatrix4( matrix ); // 010 - _points[ 3 ].set( this.min.x, this.max.y, this.max.z ).applyMatrix4( matrix ); // 011 - _points[ 4 ].set( this.max.x, this.min.y, this.min.z ).applyMatrix4( matrix ); // 100 - _points[ 5 ].set( this.max.x, this.min.y, this.max.z ).applyMatrix4( matrix ); // 101 - _points[ 6 ].set( this.max.x, this.max.y, this.min.z ).applyMatrix4( matrix ); // 110 - _points[ 7 ].set( this.max.x, this.max.y, this.max.z ).applyMatrix4( matrix ); // 111 - - this.setFromPoints( _points ); - - return this; - - }, - - translate: function ( offset ) { - - this.min.add( offset ); - this.max.add( offset ); - - return this; - - }, - - equals: function ( box ) { - - return box.min.equals( this.min ) && box.max.equals( this.max ); - - } - - } ); - - function satForAxes( axes, v0, v1, v2, extents ) { - - var i, j; - - for ( i = 0, j = axes.length - 3; i <= j; i += 3 ) { - - _testAxis.fromArray( axes, i ); - // project the aabb onto the seperating axis - var r = extents.x * Math.abs( _testAxis.x ) + extents.y * Math.abs( _testAxis.y ) + extents.z * Math.abs( _testAxis.z ); - // project all 3 vertices of the triangle onto the seperating axis - var p0 = v0.dot( _testAxis ); - var p1 = v1.dot( _testAxis ); - var p2 = v2.dot( _testAxis ); - // actual test, basically see if either of the most extreme of the triangle points intersects r - if ( Math.max( - Math.max( p0, p1, p2 ), Math.min( p0, p1, p2 ) ) > r ) { - - // points of the projected triangle are outside the projected half-length of the aabb - // the axis is seperating and we can exit - return false; - - } - - } - - return true; - - } - - var _box = new Box3(); - - /** - * @author bhouston / http://clara.io + * @author Mugen87 / https://github.com/Mugen87 + */function EdgesGeometry(geometry,thresholdAngle){BufferGeometry.call(this);this.type='EdgesGeometry';this.parameters={thresholdAngle:thresholdAngle};thresholdAngle=thresholdAngle!==undefined?thresholdAngle:1;// buffer + var vertices=[];// helper variables + var thresholdDot=Math.cos(_Math.DEG2RAD*thresholdAngle);var edge=[0,0],edges={},edge1,edge2;var key,keys=['a','b','c'];// prepare source geometry + var geometry2;if(geometry.isBufferGeometry){geometry2=new Geometry();geometry2.fromBufferGeometry(geometry);}else{geometry2=geometry.clone();}geometry2.mergeVertices();geometry2.computeFaceNormals();var sourceVertices=geometry2.vertices;var faces=geometry2.faces;// now create a data structure where each entry represents an edge with its adjoining faces + for(var i=0,l=faces.length;i ( this.radius * this.radius ) ) { - - target.sub( this.center ).normalize(); - target.multiplyScalar( this.radius ).add( this.center ); - - } - - return target; - - }, - - getBoundingBox: function ( target ) { - - if ( target === undefined ) { - - console.warn( 'THREE.Sphere: .getBoundingBox() target is now required' ); - target = new Box3(); - - } - - target.set( this.center, this.center ); - target.expandByScalar( this.radius ); - - return target; - - }, - - applyMatrix4: function ( matrix ) { - - this.center.applyMatrix4( matrix ); - this.radius = this.radius * matrix.getMaxScaleOnAxis(); - - return this; - - }, - - translate: function ( offset ) { - - this.center.add( offset ); - - return this; - - }, - - equals: function ( sphere ) { - - return sphere.center.equals( this.center ) && ( sphere.radius === this.radius ); - - } - - } ); - - var _vector$3 = new Vector3(); - var _segCenter = new Vector3(); - var _segDir = new Vector3(); - var _diff = new Vector3(); - - var _edge1 = new Vector3(); - var _edge2 = new Vector3(); - var _normal = new Vector3(); - - /** - * @author bhouston / http://clara.io - */ - - function Ray( origin, direction ) { - - this.origin = ( origin !== undefined ) ? origin : new Vector3(); - this.direction = ( direction !== undefined ) ? direction : new Vector3(); - - } - - Object.assign( Ray.prototype, { - - set: function ( origin, direction ) { - - this.origin.copy( origin ); - this.direction.copy( direction ); - - return this; - - }, - - clone: function () { - - return new this.constructor().copy( this ); - - }, - - copy: function ( ray ) { - - this.origin.copy( ray.origin ); - this.direction.copy( ray.direction ); - - return this; - - }, - - at: function ( t, target ) { - - if ( target === undefined ) { - - console.warn( 'THREE.Ray: .at() target is now required' ); - target = new Vector3(); - - } - - return target.copy( this.direction ).multiplyScalar( t ).add( this.origin ); - - }, - - lookAt: function ( v ) { - - this.direction.copy( v ).sub( this.origin ).normalize(); - - return this; - - }, - - recast: function ( t ) { - - this.origin.copy( this.at( t, _vector$3 ) ); - - return this; - - }, - - closestPointToPoint: function ( point, target ) { - - if ( target === undefined ) { - - console.warn( 'THREE.Ray: .closestPointToPoint() target is now required' ); - target = new Vector3(); - - } - - target.subVectors( point, this.origin ); - - var directionDistance = target.dot( this.direction ); - - if ( directionDistance < 0 ) { - - return target.copy( this.origin ); - - } - - return target.copy( this.direction ).multiplyScalar( directionDistance ).add( this.origin ); - - }, - - distanceToPoint: function ( point ) { - - return Math.sqrt( this.distanceSqToPoint( point ) ); - - }, - - distanceSqToPoint: function ( point ) { - - var directionDistance = _vector$3.subVectors( point, this.origin ).dot( this.direction ); - - // point behind the ray - - if ( directionDistance < 0 ) { - - return this.origin.distanceToSquared( point ); - - } - - _vector$3.copy( this.direction ).multiplyScalar( directionDistance ).add( this.origin ); - - return _vector$3.distanceToSquared( point ); - - }, - - distanceSqToSegment: function ( v0, v1, optionalPointOnRay, optionalPointOnSegment ) { - - // from http://www.geometrictools.com/GTEngine/Include/Mathematics/GteDistRaySegment.h - // It returns the min distance between the ray and the segment - // defined by v0 and v1 - // It can also set two optional targets : - // - The closest point on the ray - // - The closest point on the segment - - _segCenter.copy( v0 ).add( v1 ).multiplyScalar( 0.5 ); - _segDir.copy( v1 ).sub( v0 ).normalize(); - _diff.copy( this.origin ).sub( _segCenter ); - - var segExtent = v0.distanceTo( v1 ) * 0.5; - var a01 = - this.direction.dot( _segDir ); - var b0 = _diff.dot( this.direction ); - var b1 = - _diff.dot( _segDir ); - var c = _diff.lengthSq(); - var det = Math.abs( 1 - a01 * a01 ); - var s0, s1, sqrDist, extDet; - - if ( det > 0 ) { - - // The ray and segment are not parallel. - - s0 = a01 * b1 - b0; - s1 = a01 * b0 - b1; - extDet = segExtent * det; - - if ( s0 >= 0 ) { - - if ( s1 >= - extDet ) { - - if ( s1 <= extDet ) { - - // region 0 - // Minimum at interior points of ray and segment. - - var invDet = 1 / det; - s0 *= invDet; - s1 *= invDet; - sqrDist = s0 * ( s0 + a01 * s1 + 2 * b0 ) + s1 * ( a01 * s0 + s1 + 2 * b1 ) + c; - - } else { - - // region 1 - - s1 = segExtent; - s0 = Math.max( 0, - ( a01 * s1 + b0 ) ); - sqrDist = - s0 * s0 + s1 * ( s1 + 2 * b1 ) + c; - - } - - } else { - - // region 5 - - s1 = - segExtent; - s0 = Math.max( 0, - ( a01 * s1 + b0 ) ); - sqrDist = - s0 * s0 + s1 * ( s1 + 2 * b1 ) + c; - - } - - } else { - - if ( s1 <= - extDet ) { - - // region 4 - - s0 = Math.max( 0, - ( - a01 * segExtent + b0 ) ); - s1 = ( s0 > 0 ) ? - segExtent : Math.min( Math.max( - segExtent, - b1 ), segExtent ); - sqrDist = - s0 * s0 + s1 * ( s1 + 2 * b1 ) + c; - - } else if ( s1 <= extDet ) { - - // region 3 - - s0 = 0; - s1 = Math.min( Math.max( - segExtent, - b1 ), segExtent ); - sqrDist = s1 * ( s1 + 2 * b1 ) + c; - - } else { - - // region 2 - - s0 = Math.max( 0, - ( a01 * segExtent + b0 ) ); - s1 = ( s0 > 0 ) ? segExtent : Math.min( Math.max( - segExtent, - b1 ), segExtent ); - sqrDist = - s0 * s0 + s1 * ( s1 + 2 * b1 ) + c; - - } - - } - - } else { - - // Ray and segment are parallel. - - s1 = ( a01 > 0 ) ? - segExtent : segExtent; - s0 = Math.max( 0, - ( a01 * s1 + b0 ) ); - sqrDist = - s0 * s0 + s1 * ( s1 + 2 * b1 ) + c; - - } - - if ( optionalPointOnRay ) { - - optionalPointOnRay.copy( this.direction ).multiplyScalar( s0 ).add( this.origin ); - - } - - if ( optionalPointOnSegment ) { - - optionalPointOnSegment.copy( _segDir ).multiplyScalar( s1 ).add( _segCenter ); - - } - - return sqrDist; - - }, - - intersectSphere: function ( sphere, target ) { - - _vector$3.subVectors( sphere.center, this.origin ); - var tca = _vector$3.dot( this.direction ); - var d2 = _vector$3.dot( _vector$3 ) - tca * tca; - var radius2 = sphere.radius * sphere.radius; - - if ( d2 > radius2 ) return null; - - var thc = Math.sqrt( radius2 - d2 ); - - // t0 = first intersect point - entrance on front of sphere - var t0 = tca - thc; - - // t1 = second intersect point - exit point on back of sphere - var t1 = tca + thc; - - // test to see if both t0 and t1 are behind the ray - if so, return null - if ( t0 < 0 && t1 < 0 ) return null; - - // test to see if t0 is behind the ray: - // if it is, the ray is inside the sphere, so return the second exit point scaled by t1, - // in order to always return an intersect point that is in front of the ray. - if ( t0 < 0 ) return this.at( t1, target ); - - // else t0 is in front of the ray, so return the first collision point scaled by t0 - return this.at( t0, target ); - - }, - - intersectsSphere: function ( sphere ) { - - return this.distanceSqToPoint( sphere.center ) <= ( sphere.radius * sphere.radius ); - - }, - - distanceToPlane: function ( plane ) { - - var denominator = plane.normal.dot( this.direction ); - - if ( denominator === 0 ) { - - // line is coplanar, return origin - if ( plane.distanceToPoint( this.origin ) === 0 ) { - - return 0; - - } - - // Null is preferable to undefined since undefined means.... it is undefined - - return null; - - } - - var t = - ( this.origin.dot( plane.normal ) + plane.constant ) / denominator; - - // Return if the ray never intersects the plane - - return t >= 0 ? t : null; - - }, - - intersectPlane: function ( plane, target ) { - - var t = this.distanceToPlane( plane ); - - if ( t === null ) { - - return null; - - } - - return this.at( t, target ); - - }, - - intersectsPlane: function ( plane ) { - - // check if the ray lies on the plane first - - var distToPoint = plane.distanceToPoint( this.origin ); - - if ( distToPoint === 0 ) { - - return true; - - } - - var denominator = plane.normal.dot( this.direction ); - - if ( denominator * distToPoint < 0 ) { - - return true; - - } - - // ray origin is behind the plane (and is pointing behind it) - - return false; - - }, - - intersectBox: function ( box, target ) { - - var tmin, tmax, tymin, tymax, tzmin, tzmax; - - var invdirx = 1 / this.direction.x, - invdiry = 1 / this.direction.y, - invdirz = 1 / this.direction.z; - - var origin = this.origin; - - if ( invdirx >= 0 ) { - - tmin = ( box.min.x - origin.x ) * invdirx; - tmax = ( box.max.x - origin.x ) * invdirx; - - } else { - - tmin = ( box.max.x - origin.x ) * invdirx; - tmax = ( box.min.x - origin.x ) * invdirx; - - } - - if ( invdiry >= 0 ) { - - tymin = ( box.min.y - origin.y ) * invdiry; - tymax = ( box.max.y - origin.y ) * invdiry; - - } else { - - tymin = ( box.max.y - origin.y ) * invdiry; - tymax = ( box.min.y - origin.y ) * invdiry; - - } - - if ( ( tmin > tymax ) || ( tymin > tmax ) ) return null; - - // These lines also handle the case where tmin or tmax is NaN - // (result of 0 * Infinity). x !== x returns true if x is NaN - - if ( tymin > tmin || tmin !== tmin ) tmin = tymin; - - if ( tymax < tmax || tmax !== tmax ) tmax = tymax; - - if ( invdirz >= 0 ) { - - tzmin = ( box.min.z - origin.z ) * invdirz; - tzmax = ( box.max.z - origin.z ) * invdirz; - - } else { - - tzmin = ( box.max.z - origin.z ) * invdirz; - tzmax = ( box.min.z - origin.z ) * invdirz; - - } - - if ( ( tmin > tzmax ) || ( tzmin > tmax ) ) return null; - - if ( tzmin > tmin || tmin !== tmin ) tmin = tzmin; - - if ( tzmax < tmax || tmax !== tmax ) tmax = tzmax; - - //return point closest to the ray (positive side) - - if ( tmax < 0 ) return null; - - return this.at( tmin >= 0 ? tmin : tmax, target ); - - }, - - intersectsBox: function ( box ) { - - return this.intersectBox( box, _vector$3 ) !== null; - - }, - - intersectTriangle: function ( a, b, c, backfaceCulling, target ) { - - // Compute the offset origin, edges, and normal. - - // from http://www.geometrictools.com/GTEngine/Include/Mathematics/GteIntrRay3Triangle3.h - - _edge1.subVectors( b, a ); - _edge2.subVectors( c, a ); - _normal.crossVectors( _edge1, _edge2 ); - - // Solve Q + t*D = b1*E1 + b2*E2 (Q = kDiff, D = ray direction, - // E1 = kEdge1, E2 = kEdge2, N = Cross(E1,E2)) by - // |Dot(D,N)|*b1 = sign(Dot(D,N))*Dot(D,Cross(Q,E2)) - // |Dot(D,N)|*b2 = sign(Dot(D,N))*Dot(D,Cross(E1,Q)) - // |Dot(D,N)|*t = -sign(Dot(D,N))*Dot(Q,N) - var DdN = this.direction.dot( _normal ); - var sign; - - if ( DdN > 0 ) { - - if ( backfaceCulling ) return null; - sign = 1; - - } else if ( DdN < 0 ) { - - sign = - 1; - DdN = - DdN; - - } else { - - return null; - - } - - _diff.subVectors( this.origin, a ); - var DdQxE2 = sign * this.direction.dot( _edge2.crossVectors( _diff, _edge2 ) ); - - // b1 < 0, no intersection - if ( DdQxE2 < 0 ) { - - return null; - - } - - var DdE1xQ = sign * this.direction.dot( _edge1.cross( _diff ) ); - - // b2 < 0, no intersection - if ( DdE1xQ < 0 ) { - - return null; - - } - - // b1+b2 > 1, no intersection - if ( DdQxE2 + DdE1xQ > DdN ) { - - return null; - - } - - // Line intersects triangle, check if ray does. - var QdN = - sign * _diff.dot( _normal ); - - // t < 0, no intersection - if ( QdN < 0 ) { - - return null; - - } - - // Ray intersects triangle. - return this.at( QdN / DdN, target ); - - }, - - applyMatrix4: function ( matrix4 ) { - - this.origin.applyMatrix4( matrix4 ); - this.direction.transformDirection( matrix4 ); - - return this; - - }, - - equals: function ( ray ) { - - return ray.origin.equals( this.origin ) && ray.direction.equals( this.direction ); - - } - - } ); - - /** - * @author bhouston / http://clara.io - * @author mrdoob / http://mrdoob.com/ - */ - - var _v0$1 = new Vector3(); - var _v1$3 = new Vector3(); - var _v2$1 = new Vector3(); - var _v3 = new Vector3(); - - var _vab = new Vector3(); - var _vac = new Vector3(); - var _vbc = new Vector3(); - var _vap = new Vector3(); - var _vbp = new Vector3(); - var _vcp = new Vector3(); - - function Triangle( a, b, c ) { - - this.a = ( a !== undefined ) ? a : new Vector3(); - this.b = ( b !== undefined ) ? b : new Vector3(); - this.c = ( c !== undefined ) ? c : new Vector3(); - - } - - Object.assign( Triangle, { - - getNormal: function ( a, b, c, target ) { - - if ( target === undefined ) { - - console.warn( 'THREE.Triangle: .getNormal() target is now required' ); - target = new Vector3(); - - } - - target.subVectors( c, b ); - _v0$1.subVectors( a, b ); - target.cross( _v0$1 ); - - var targetLengthSq = target.lengthSq(); - if ( targetLengthSq > 0 ) { - - return target.multiplyScalar( 1 / Math.sqrt( targetLengthSq ) ); - - } - - return target.set( 0, 0, 0 ); - - }, - - // static/instance method to calculate barycentric coordinates - // based on: http://www.blackpawn.com/texts/pointinpoly/default.html - getBarycoord: function ( point, a, b, c, target ) { - - _v0$1.subVectors( c, a ); - _v1$3.subVectors( b, a ); - _v2$1.subVectors( point, a ); - - var dot00 = _v0$1.dot( _v0$1 ); - var dot01 = _v0$1.dot( _v1$3 ); - var dot02 = _v0$1.dot( _v2$1 ); - var dot11 = _v1$3.dot( _v1$3 ); - var dot12 = _v1$3.dot( _v2$1 ); - - var denom = ( dot00 * dot11 - dot01 * dot01 ); - - if ( target === undefined ) { - - console.warn( 'THREE.Triangle: .getBarycoord() target is now required' ); - target = new Vector3(); - - } - - // collinear or singular triangle - if ( denom === 0 ) { - - // arbitrary location outside of triangle? - // not sure if this is the best idea, maybe should be returning undefined - return target.set( - 2, - 1, - 1 ); - - } - - var invDenom = 1 / denom; - var u = ( dot11 * dot02 - dot01 * dot12 ) * invDenom; - var v = ( dot00 * dot12 - dot01 * dot02 ) * invDenom; - - // barycentric coordinates must always sum to 1 - return target.set( 1 - u - v, v, u ); - - }, - - containsPoint: function ( point, a, b, c ) { - - Triangle.getBarycoord( point, a, b, c, _v3 ); - - return ( _v3.x >= 0 ) && ( _v3.y >= 0 ) && ( ( _v3.x + _v3.y ) <= 1 ); - - }, - - getUV: function ( point, p1, p2, p3, uv1, uv2, uv3, target ) { - - this.getBarycoord( point, p1, p2, p3, _v3 ); - - target.set( 0, 0 ); - target.addScaledVector( uv1, _v3.x ); - target.addScaledVector( uv2, _v3.y ); - target.addScaledVector( uv3, _v3.z ); - - return target; - - }, - - isFrontFacing: function ( a, b, c, direction ) { - - _v0$1.subVectors( c, b ); - _v1$3.subVectors( a, b ); - - // strictly front facing - return ( _v0$1.cross( _v1$3 ).dot( direction ) < 0 ) ? true : false; - - } - - } ); - - Object.assign( Triangle.prototype, { - - set: function ( a, b, c ) { - - this.a.copy( a ); - this.b.copy( b ); - this.c.copy( c ); - - return this; - - }, - - setFromPointsAndIndices: function ( points, i0, i1, i2 ) { - - this.a.copy( points[ i0 ] ); - this.b.copy( points[ i1 ] ); - this.c.copy( points[ i2 ] ); - - return this; - - }, - - clone: function () { - - return new this.constructor().copy( this ); - - }, - - copy: function ( triangle ) { - - this.a.copy( triangle.a ); - this.b.copy( triangle.b ); - this.c.copy( triangle.c ); - - return this; - - }, - - getArea: function () { - - _v0$1.subVectors( this.c, this.b ); - _v1$3.subVectors( this.a, this.b ); - - return _v0$1.cross( _v1$3 ).length() * 0.5; - - }, - - getMidpoint: function ( target ) { - - if ( target === undefined ) { - - console.warn( 'THREE.Triangle: .getMidpoint() target is now required' ); - target = new Vector3(); - - } - - return target.addVectors( this.a, this.b ).add( this.c ).multiplyScalar( 1 / 3 ); - - }, - - getNormal: function ( target ) { - - return Triangle.getNormal( this.a, this.b, this.c, target ); - - }, - - getPlane: function ( target ) { - - if ( target === undefined ) { - - console.warn( 'THREE.Triangle: .getPlane() target is now required' ); - target = new Vector3(); - - } - - return target.setFromCoplanarPoints( this.a, this.b, this.c ); - - }, - - getBarycoord: function ( point, target ) { - - return Triangle.getBarycoord( point, this.a, this.b, this.c, target ); - - }, - - getUV: function ( point, uv1, uv2, uv3, target ) { - - return Triangle.getUV( point, this.a, this.b, this.c, uv1, uv2, uv3, target ); - - }, - - containsPoint: function ( point ) { - - return Triangle.containsPoint( point, this.a, this.b, this.c ); - - }, - - isFrontFacing: function ( direction ) { - - return Triangle.isFrontFacing( this.a, this.b, this.c, direction ); - - }, - - intersectsBox: function ( box ) { - - return box.intersectsTriangle( this ); - - }, - - closestPointToPoint: function ( p, target ) { - - if ( target === undefined ) { - - console.warn( 'THREE.Triangle: .closestPointToPoint() target is now required' ); - target = new Vector3(); - - } - - var a = this.a, b = this.b, c = this.c; - var v, w; - - // algorithm thanks to Real-Time Collision Detection by Christer Ericson, - // published by Morgan Kaufmann Publishers, (c) 2005 Elsevier Inc., - // under the accompanying license; see chapter 5.1.5 for detailed explanation. - // basically, we're distinguishing which of the voronoi regions of the triangle - // the point lies in with the minimum amount of redundant computation. - - _vab.subVectors( b, a ); - _vac.subVectors( c, a ); - _vap.subVectors( p, a ); - var d1 = _vab.dot( _vap ); - var d2 = _vac.dot( _vap ); - if ( d1 <= 0 && d2 <= 0 ) { - - // vertex region of A; barycentric coords (1, 0, 0) - return target.copy( a ); - - } - - _vbp.subVectors( p, b ); - var d3 = _vab.dot( _vbp ); - var d4 = _vac.dot( _vbp ); - if ( d3 >= 0 && d4 <= d3 ) { - - // vertex region of B; barycentric coords (0, 1, 0) - return target.copy( b ); - - } - - var vc = d1 * d4 - d3 * d2; - if ( vc <= 0 && d1 >= 0 && d3 <= 0 ) { - - v = d1 / ( d1 - d3 ); - // edge region of AB; barycentric coords (1-v, v, 0) - return target.copy( a ).addScaledVector( _vab, v ); - - } - - _vcp.subVectors( p, c ); - var d5 = _vab.dot( _vcp ); - var d6 = _vac.dot( _vcp ); - if ( d6 >= 0 && d5 <= d6 ) { - - // vertex region of C; barycentric coords (0, 0, 1) - return target.copy( c ); - - } - - var vb = d5 * d2 - d1 * d6; - if ( vb <= 0 && d2 >= 0 && d6 <= 0 ) { - - w = d2 / ( d2 - d6 ); - // edge region of AC; barycentric coords (1-w, 0, w) - return target.copy( a ).addScaledVector( _vac, w ); - - } - - var va = d3 * d6 - d5 * d4; - if ( va <= 0 && ( d4 - d3 ) >= 0 && ( d5 - d6 ) >= 0 ) { - - _vbc.subVectors( c, b ); - w = ( d4 - d3 ) / ( ( d4 - d3 ) + ( d5 - d6 ) ); - // edge region of BC; barycentric coords (0, 1-w, w) - return target.copy( b ).addScaledVector( _vbc, w ); // edge region of BC - - } - - // face region - var denom = 1 / ( va + vb + vc ); - // u = va * denom - v = vb * denom; - w = vc * denom; - - return target.copy( a ).addScaledVector( _vab, v ).addScaledVector( _vac, w ); - - }, - - equals: function ( triangle ) { - - return triangle.a.equals( this.a ) && triangle.b.equals( this.b ) && triangle.c.equals( this.c ); - - } - - } ); - - /** + * @author Mugen87 / https://github.com/Mugen87 + */ // CylinderGeometry + function CylinderGeometry(radiusTop,radiusBottom,height,radialSegments,heightSegments,openEnded,thetaStart,thetaLength){Geometry.call(this);this.type='CylinderGeometry';this.parameters={radiusTop:radiusTop,radiusBottom:radiusBottom,height:height,radialSegments:radialSegments,heightSegments:heightSegments,openEnded:openEnded,thetaStart:thetaStart,thetaLength:thetaLength};this.fromBufferGeometry(new CylinderBufferGeometry(radiusTop,radiusBottom,height,radialSegments,heightSegments,openEnded,thetaStart,thetaLength));this.mergeVertices();}CylinderGeometry.prototype=Object.create(Geometry.prototype);CylinderGeometry.prototype.constructor=CylinderGeometry;// CylinderBufferGeometry + function CylinderBufferGeometry(radiusTop,radiusBottom,height,radialSegments,heightSegments,openEnded,thetaStart,thetaLength){BufferGeometry.call(this);this.type='CylinderBufferGeometry';this.parameters={radiusTop:radiusTop,radiusBottom:radiusBottom,height:height,radialSegments:radialSegments,heightSegments:heightSegments,openEnded:openEnded,thetaStart:thetaStart,thetaLength:thetaLength};var scope=this;radiusTop=radiusTop!==undefined?radiusTop:1;radiusBottom=radiusBottom!==undefined?radiusBottom:1;height=height||1;radialSegments=Math.floor(radialSegments)||8;heightSegments=Math.floor(heightSegments)||1;openEnded=openEnded!==undefined?openEnded:false;thetaStart=thetaStart!==undefined?thetaStart:0.0;thetaLength=thetaLength!==undefined?thetaLength:Math.PI*2;// buffers + var indices=[];var vertices=[];var normals=[];var uvs=[];// helper variables + var index=0;var indexArray=[];var halfHeight=height/2;var groupStart=0;// generate geometry + generateTorso();if(openEnded===false){if(radiusTop>0)generateCap(true);if(radiusBottom>0)generateCap(false);}// build geometry + this.setIndex(indices);this.setAttribute('position',new Float32BufferAttribute(vertices,3));this.setAttribute('normal',new Float32BufferAttribute(normals,3));this.setAttribute('uv',new Float32BufferAttribute(uvs,2));function generateTorso(){var x,y;var normal=new Vector3();var vertex=new Vector3();var groupCount=0;// this will be used to calculate the normal + var slope=(radiusBottom-radiusTop)/height;// generate vertices, normals and uvs + for(y=0;y<=heightSegments;y++){var indexRow=[];var v=y/heightSegments;// calculate the radius of the current row + var radius=v*(radiusBottom-radiusTop)+radiusTop;for(x=0;x<=radialSegments;x++){var u=x/radialSegments;var theta=u*thetaLength+thetaStart;var sinTheta=Math.sin(theta);var cosTheta=Math.cos(theta);// vertex + vertex.x=radius*sinTheta;vertex.y=-v*height+halfHeight;vertex.z=radius*cosTheta;vertices.push(vertex.x,vertex.y,vertex.z);// normal + normal.set(sinTheta,slope,cosTheta).normalize();normals.push(normal.x,normal.y,normal.z);// uv + uvs.push(u,1-v);// save index of vertex in respective row + indexRow.push(index++);}// now save vertices of the row in our index array + indexArray.push(indexRow);}// generate indices + for(x=0;x 1 ) t -= 1; - if ( t < 1 / 6 ) return p + ( q - p ) * 6 * t; - if ( t < 1 / 2 ) return q; - if ( t < 2 / 3 ) return p + ( q - p ) * 6 * ( 2 / 3 - t ); - return p; - - } - - function SRGBToLinear( c ) { - - return ( c < 0.04045 ) ? c * 0.0773993808 : Math.pow( c * 0.9478672986 + 0.0521327014, 2.4 ); - - } - - function LinearToSRGB( c ) { - - return ( c < 0.0031308 ) ? c * 12.92 : 1.055 * ( Math.pow( c, 0.41666 ) ) - 0.055; - - } - - Object.assign( Color.prototype, { - - isColor: true, - - r: 1, g: 1, b: 1, - - set: function ( value ) { - - if ( value && value.isColor ) { - - this.copy( value ); - - } else if ( typeof value === 'number' ) { - - this.setHex( value ); - - } else if ( typeof value === 'string' ) { - - this.setStyle( value ); - - } - - return this; - - }, - - setScalar: function ( scalar ) { - - this.r = scalar; - this.g = scalar; - this.b = scalar; - - return this; - - }, - - setHex: function ( hex ) { - - hex = Math.floor( hex ); - - this.r = ( hex >> 16 & 255 ) / 255; - this.g = ( hex >> 8 & 255 ) / 255; - this.b = ( hex & 255 ) / 255; - - return this; - - }, - - setRGB: function ( r, g, b ) { - - this.r = r; - this.g = g; - this.b = b; - - return this; - - }, - - setHSL: function ( h, s, l ) { - - // h,s,l ranges are in 0.0 - 1.0 - h = _Math.euclideanModulo( h, 1 ); - s = _Math.clamp( s, 0, 1 ); - l = _Math.clamp( l, 0, 1 ); - - if ( s === 0 ) { - - this.r = this.g = this.b = l; - - } else { - - var p = l <= 0.5 ? l * ( 1 + s ) : l + s - ( l * s ); - var q = ( 2 * l ) - p; - - this.r = hue2rgb( q, p, h + 1 / 3 ); - this.g = hue2rgb( q, p, h ); - this.b = hue2rgb( q, p, h - 1 / 3 ); - - } - - return this; - - }, - - setStyle: function ( style ) { - - function handleAlpha( string ) { - - if ( string === undefined ) return; - - if ( parseFloat( string ) < 1 ) { - - console.warn( 'THREE.Color: Alpha component of ' + style + ' will be ignored.' ); - - } - - } - - - var m; - - if ( m = /^((?:rgb|hsl)a?)\(\s*([^\)]*)\)/.exec( style ) ) { - - // rgb / hsl - - var color; - var name = m[ 1 ]; - var components = m[ 2 ]; - - switch ( name ) { - - case 'rgb': - case 'rgba': - - if ( color = /^(\d+)\s*,\s*(\d+)\s*,\s*(\d+)\s*(,\s*([0-9]*\.?[0-9]+)\s*)?$/.exec( components ) ) { - - // rgb(255,0,0) rgba(255,0,0,0.5) - this.r = Math.min( 255, parseInt( color[ 1 ], 10 ) ) / 255; - this.g = Math.min( 255, parseInt( color[ 2 ], 10 ) ) / 255; - this.b = Math.min( 255, parseInt( color[ 3 ], 10 ) ) / 255; - - handleAlpha( color[ 5 ] ); - - return this; - - } - - if ( color = /^(\d+)\%\s*,\s*(\d+)\%\s*,\s*(\d+)\%\s*(,\s*([0-9]*\.?[0-9]+)\s*)?$/.exec( components ) ) { - - // rgb(100%,0%,0%) rgba(100%,0%,0%,0.5) - this.r = Math.min( 100, parseInt( color[ 1 ], 10 ) ) / 100; - this.g = Math.min( 100, parseInt( color[ 2 ], 10 ) ) / 100; - this.b = Math.min( 100, parseInt( color[ 3 ], 10 ) ) / 100; - - handleAlpha( color[ 5 ] ); - - return this; - - } - - break; - - case 'hsl': - case 'hsla': - - if ( color = /^([0-9]*\.?[0-9]+)\s*,\s*(\d+)\%\s*,\s*(\d+)\%\s*(,\s*([0-9]*\.?[0-9]+)\s*)?$/.exec( components ) ) { - - // hsl(120,50%,50%) hsla(120,50%,50%,0.5) - var h = parseFloat( color[ 1 ] ) / 360; - var s = parseInt( color[ 2 ], 10 ) / 100; - var l = parseInt( color[ 3 ], 10 ) / 100; - - handleAlpha( color[ 5 ] ); - - return this.setHSL( h, s, l ); - - } - - break; - - } - - } else if ( m = /^\#([A-Fa-f0-9]+)$/.exec( style ) ) { - - // hex color - - var hex = m[ 1 ]; - var size = hex.length; - - if ( size === 3 ) { - - // #ff0 - this.r = parseInt( hex.charAt( 0 ) + hex.charAt( 0 ), 16 ) / 255; - this.g = parseInt( hex.charAt( 1 ) + hex.charAt( 1 ), 16 ) / 255; - this.b = parseInt( hex.charAt( 2 ) + hex.charAt( 2 ), 16 ) / 255; - - return this; - - } else if ( size === 6 ) { - - // #ff0000 - this.r = parseInt( hex.charAt( 0 ) + hex.charAt( 1 ), 16 ) / 255; - this.g = parseInt( hex.charAt( 2 ) + hex.charAt( 3 ), 16 ) / 255; - this.b = parseInt( hex.charAt( 4 ) + hex.charAt( 5 ), 16 ) / 255; - - return this; - - } - - } - - if ( style && style.length > 0 ) { - - // color keywords - var hex = _colorKeywords[ style ]; - - if ( hex !== undefined ) { - - // red - this.setHex( hex ); - - } else { - - // unknown color - console.warn( 'THREE.Color: Unknown color ' + style ); - - } - - } - - return this; - - }, - - clone: function () { - - return new this.constructor( this.r, this.g, this.b ); - - }, - - copy: function ( color ) { - - this.r = color.r; - this.g = color.g; - this.b = color.b; - - return this; - - }, - - copyGammaToLinear: function ( color, gammaFactor ) { - - if ( gammaFactor === undefined ) gammaFactor = 2.0; - - this.r = Math.pow( color.r, gammaFactor ); - this.g = Math.pow( color.g, gammaFactor ); - this.b = Math.pow( color.b, gammaFactor ); - - return this; - - }, - - copyLinearToGamma: function ( color, gammaFactor ) { - - if ( gammaFactor === undefined ) gammaFactor = 2.0; - - var safeInverse = ( gammaFactor > 0 ) ? ( 1.0 / gammaFactor ) : 1.0; - - this.r = Math.pow( color.r, safeInverse ); - this.g = Math.pow( color.g, safeInverse ); - this.b = Math.pow( color.b, safeInverse ); - - return this; - - }, - - convertGammaToLinear: function ( gammaFactor ) { - - this.copyGammaToLinear( this, gammaFactor ); - - return this; - - }, - - convertLinearToGamma: function ( gammaFactor ) { - - this.copyLinearToGamma( this, gammaFactor ); - - return this; - - }, - - copySRGBToLinear: function ( color ) { - - this.r = SRGBToLinear( color.r ); - this.g = SRGBToLinear( color.g ); - this.b = SRGBToLinear( color.b ); - - return this; - - }, - - copyLinearToSRGB: function ( color ) { - - this.r = LinearToSRGB( color.r ); - this.g = LinearToSRGB( color.g ); - this.b = LinearToSRGB( color.b ); - - return this; - - }, - - convertSRGBToLinear: function () { - - this.copySRGBToLinear( this ); - - return this; - - }, - - convertLinearToSRGB: function () { - - this.copyLinearToSRGB( this ); - - return this; - - }, - - getHex: function () { - - return ( this.r * 255 ) << 16 ^ ( this.g * 255 ) << 8 ^ ( this.b * 255 ) << 0; - - }, - - getHexString: function () { - - return ( '000000' + this.getHex().toString( 16 ) ).slice( - 6 ); - - }, - - getHSL: function ( target ) { - - // h,s,l ranges are in 0.0 - 1.0 - - if ( target === undefined ) { - - console.warn( 'THREE.Color: .getHSL() target is now required' ); - target = { h: 0, s: 0, l: 0 }; - - } - - var r = this.r, g = this.g, b = this.b; - - var max = Math.max( r, g, b ); - var min = Math.min( r, g, b ); - - var hue, saturation; - var lightness = ( min + max ) / 2.0; - - if ( min === max ) { - - hue = 0; - saturation = 0; - - } else { - - var delta = max - min; - - saturation = lightness <= 0.5 ? delta / ( max + min ) : delta / ( 2 - max - min ); - - switch ( max ) { - - case r: hue = ( g - b ) / delta + ( g < b ? 6 : 0 ); break; - case g: hue = ( b - r ) / delta + 2; break; - case b: hue = ( r - g ) / delta + 4; break; - - } - - hue /= 6; - - } - - target.h = hue; - target.s = saturation; - target.l = lightness; - - return target; - - }, - - getStyle: function () { - - return 'rgb(' + ( ( this.r * 255 ) | 0 ) + ',' + ( ( this.g * 255 ) | 0 ) + ',' + ( ( this.b * 255 ) | 0 ) + ')'; - - }, - - offsetHSL: function ( h, s, l ) { - - this.getHSL( _hslA ); - - _hslA.h += h; _hslA.s += s; _hslA.l += l; - - this.setHSL( _hslA.h, _hslA.s, _hslA.l ); - - return this; - - }, - - add: function ( color ) { - - this.r += color.r; - this.g += color.g; - this.b += color.b; - - return this; - - }, - - addColors: function ( color1, color2 ) { - - this.r = color1.r + color2.r; - this.g = color1.g + color2.g; - this.b = color1.b + color2.b; - - return this; - - }, - - addScalar: function ( s ) { - - this.r += s; - this.g += s; - this.b += s; - - return this; - - }, - - sub: function ( color ) { - - this.r = Math.max( 0, this.r - color.r ); - this.g = Math.max( 0, this.g - color.g ); - this.b = Math.max( 0, this.b - color.b ); - - return this; - - }, - - multiply: function ( color ) { - - this.r *= color.r; - this.g *= color.g; - this.b *= color.b; - - return this; - - }, - - multiplyScalar: function ( s ) { - - this.r *= s; - this.g *= s; - this.b *= s; - - return this; - - }, - - lerp: function ( color, alpha ) { - - this.r += ( color.r - this.r ) * alpha; - this.g += ( color.g - this.g ) * alpha; - this.b += ( color.b - this.b ) * alpha; - - return this; - - }, - - lerpHSL: function ( color, alpha ) { - - this.getHSL( _hslA ); - color.getHSL( _hslB ); - - var h = _Math.lerp( _hslA.h, _hslB.h, alpha ); - var s = _Math.lerp( _hslA.s, _hslB.s, alpha ); - var l = _Math.lerp( _hslA.l, _hslB.l, alpha ); - - this.setHSL( h, s, l ); - - return this; - - }, - - equals: function ( c ) { - - return ( c.r === this.r ) && ( c.g === this.g ) && ( c.b === this.b ); - - }, - - fromArray: function ( array, offset ) { - - if ( offset === undefined ) offset = 0; - - this.r = array[ offset ]; - this.g = array[ offset + 1 ]; - this.b = array[ offset + 2 ]; - - return this; - - }, - - toArray: function ( array, offset ) { - - if ( array === undefined ) array = []; - if ( offset === undefined ) offset = 0; - - array[ offset ] = this.r; - array[ offset + 1 ] = this.g; - array[ offset + 2 ] = this.b; - - return array; - - }, - - toJSON: function () { - - return this.getHex(); - - } - - } ); - - /** + * + * parameters = { + * color: + * } + */function ShadowMaterial(parameters){Material.call(this);this.type='ShadowMaterial';this.color=new Color(0x000000);this.transparent=true;this.setValues(parameters);}ShadowMaterial.prototype=Object.create(Material.prototype);ShadowMaterial.prototype.constructor=ShadowMaterial;ShadowMaterial.prototype.isShadowMaterial=true;ShadowMaterial.prototype.copy=function(source){Material.prototype.copy.call(this,source);this.color.copy(source.color);return this;};/** * @author mrdoob / http://mrdoob.com/ - * @author alteredq / http://alteredqualia.com/ - */ - - function Face3( a, b, c, normal, color, materialIndex ) { - - this.a = a; - this.b = b; - this.c = c; - - this.normal = ( normal && normal.isVector3 ) ? normal : new Vector3(); - this.vertexNormals = Array.isArray( normal ) ? normal : []; - - this.color = ( color && color.isColor ) ? color : new Color(); - this.vertexColors = Array.isArray( color ) ? color : []; - - this.materialIndex = materialIndex !== undefined ? materialIndex : 0; - - } - - Object.assign( Face3.prototype, { - - clone: function () { - - return new this.constructor().copy( this ); - - }, - - copy: function ( source ) { - - this.a = source.a; - this.b = source.b; - this.c = source.c; - - this.normal.copy( source.normal ); - this.color.copy( source.color ); - - this.materialIndex = source.materialIndex; - - for ( var i = 0, il = source.vertexNormals.length; i < il; i ++ ) { - - this.vertexNormals[ i ] = source.vertexNormals[ i ].clone(); - - } - - for ( var i = 0, il = source.vertexColors.length; i < il; i ++ ) { - - this.vertexColors[ i ] = source.vertexColors[ i ].clone(); - - } - - return this; - - } - - } ); - - /** + */function RawShaderMaterial(parameters){ShaderMaterial.call(this,parameters);this.type='RawShaderMaterial';}RawShaderMaterial.prototype=Object.create(ShaderMaterial.prototype);RawShaderMaterial.prototype.constructor=RawShaderMaterial;RawShaderMaterial.prototype.isRawShaderMaterial=true;/** + * @author WestLangley / http://github.com/WestLangley + * + * parameters = { + * color: , + * roughness: , + * metalness: , + * opacity: , + * + * map: new THREE.Texture( ), + * + * lightMap: new THREE.Texture( ), + * lightMapIntensity: + * + * aoMap: new THREE.Texture( ), + * aoMapIntensity: + * + * emissive: , + * emissiveIntensity: + * emissiveMap: new THREE.Texture( ), + * + * bumpMap: new THREE.Texture( ), + * bumpScale: , + * + * normalMap: new THREE.Texture( ), + * normalMapType: THREE.TangentSpaceNormalMap, + * normalScale: , + * + * displacementMap: new THREE.Texture( ), + * displacementScale: , + * displacementBias: , + * + * roughnessMap: new THREE.Texture( ), + * + * metalnessMap: new THREE.Texture( ), + * + * alphaMap: new THREE.Texture( ), + * + * envMap: new THREE.CubeTexture( [posx, negx, posy, negy, posz, negz] ), + * envMapIntensity: + * + * refractionRatio: , + * + * wireframe: , + * wireframeLinewidth: , + * + * skinning: , + * morphTargets: , + * morphNormals: + * } + */function MeshStandardMaterial(parameters){Material.call(this);this.defines={'STANDARD':''};this.type='MeshStandardMaterial';this.color=new Color(0xffffff);// diffuse + this.roughness=0.5;this.metalness=0.5;this.map=null;this.lightMap=null;this.lightMapIntensity=1.0;this.aoMap=null;this.aoMapIntensity=1.0;this.emissive=new Color(0x000000);this.emissiveIntensity=1.0;this.emissiveMap=null;this.bumpMap=null;this.bumpScale=1;this.normalMap=null;this.normalMapType=TangentSpaceNormalMap;this.normalScale=new Vector2(1,1);this.displacementMap=null;this.displacementScale=1;this.displacementBias=0;this.roughnessMap=null;this.metalnessMap=null;this.alphaMap=null;this.envMap=null;this.envMapIntensity=1.0;this.refractionRatio=0.98;this.wireframe=false;this.wireframeLinewidth=1;this.wireframeLinecap='round';this.wireframeLinejoin='round';this.skinning=false;this.morphTargets=false;this.morphNormals=false;this.setValues(parameters);}MeshStandardMaterial.prototype=Object.create(Material.prototype);MeshStandardMaterial.prototype.constructor=MeshStandardMaterial;MeshStandardMaterial.prototype.isMeshStandardMaterial=true;MeshStandardMaterial.prototype.copy=function(source){Material.prototype.copy.call(this,source);this.defines={'STANDARD':''};this.color.copy(source.color);this.roughness=source.roughness;this.metalness=source.metalness;this.map=source.map;this.lightMap=source.lightMap;this.lightMapIntensity=source.lightMapIntensity;this.aoMap=source.aoMap;this.aoMapIntensity=source.aoMapIntensity;this.emissive.copy(source.emissive);this.emissiveMap=source.emissiveMap;this.emissiveIntensity=source.emissiveIntensity;this.bumpMap=source.bumpMap;this.bumpScale=source.bumpScale;this.normalMap=source.normalMap;this.normalMapType=source.normalMapType;this.normalScale.copy(source.normalScale);this.displacementMap=source.displacementMap;this.displacementScale=source.displacementScale;this.displacementBias=source.displacementBias;this.roughnessMap=source.roughnessMap;this.metalnessMap=source.metalnessMap;this.alphaMap=source.alphaMap;this.envMap=source.envMap;this.envMapIntensity=source.envMapIntensity;this.refractionRatio=source.refractionRatio;this.wireframe=source.wireframe;this.wireframeLinewidth=source.wireframeLinewidth;this.wireframeLinecap=source.wireframeLinecap;this.wireframeLinejoin=source.wireframeLinejoin;this.skinning=source.skinning;this.morphTargets=source.morphTargets;this.morphNormals=source.morphNormals;return this;};/** + * @author WestLangley / http://github.com/WestLangley + * + * parameters = { + * reflectivity: + * clearcoat: + * clearcoatRoughness: + * + * sheen: + * + * clearcoatNormalScale: , + * clearcoatNormalMap: new THREE.Texture( ), + * } + */function MeshPhysicalMaterial(parameters){MeshStandardMaterial.call(this);this.defines={'STANDARD':'','PHYSICAL':''};this.type='MeshPhysicalMaterial';this.reflectivity=0.5;// maps to F0 = 0.04 + this.clearcoat=0.0;this.clearcoatRoughness=0.0;this.sheen=null;// null will disable sheen bsdf + this.clearcoatNormalScale=new Vector2(1,1);this.clearcoatNormalMap=null;this.transparency=0.0;this.setValues(parameters);}MeshPhysicalMaterial.prototype=Object.create(MeshStandardMaterial.prototype);MeshPhysicalMaterial.prototype.constructor=MeshPhysicalMaterial;MeshPhysicalMaterial.prototype.isMeshPhysicalMaterial=true;MeshPhysicalMaterial.prototype.copy=function(source){MeshStandardMaterial.prototype.copy.call(this,source);this.defines={'STANDARD':'','PHYSICAL':''};this.reflectivity=source.reflectivity;this.clearcoat=source.clearcoat;this.clearcoatRoughness=source.clearcoatRoughness;if(source.sheen)this.sheen=(this.sheen||new Color()).copy(source.sheen);else this.sheen=null;this.clearcoatNormalMap=source.clearcoatNormalMap;this.clearcoatNormalScale.copy(source.clearcoatNormalScale);this.transparency=source.transparency;return this;};/** * @author mrdoob / http://mrdoob.com/ * @author alteredq / http://alteredqualia.com/ - */ - - var materialId = 0; - - function Material() { - - Object.defineProperty( this, 'id', { value: materialId ++ } ); - - this.uuid = _Math.generateUUID(); - - this.name = ''; - this.type = 'Material'; - - this.fog = true; - this.lights = true; - - this.blending = NormalBlending; - this.side = FrontSide; - this.flatShading = false; - this.vertexTangents = false; - this.vertexColors = NoColors; // THREE.NoColors, THREE.VertexColors, THREE.FaceColors - - this.opacity = 1; - this.transparent = false; - - this.blendSrc = SrcAlphaFactor; - this.blendDst = OneMinusSrcAlphaFactor; - this.blendEquation = AddEquation; - this.blendSrcAlpha = null; - this.blendDstAlpha = null; - this.blendEquationAlpha = null; - - this.depthFunc = LessEqualDepth; - this.depthTest = true; - this.depthWrite = true; - - this.stencilFunc = AlwaysStencilFunc; - this.stencilRef = 0; - this.stencilMask = 0xff; - this.stencilFail = KeepStencilOp; - this.stencilZFail = KeepStencilOp; - this.stencilZPass = KeepStencilOp; - this.stencilWrite = false; - - this.clippingPlanes = null; - this.clipIntersection = false; - this.clipShadows = false; - - this.shadowSide = null; - - this.colorWrite = true; - - this.precision = null; // override the renderer's default precision for this material - - this.polygonOffset = false; - this.polygonOffsetFactor = 0; - this.polygonOffsetUnits = 0; - - this.dithering = false; - - this.alphaTest = 0; - this.premultipliedAlpha = false; - - this.visible = true; - - this.toneMapped = true; - - this.userData = {}; - - this.needsUpdate = true; - - } - - Material.prototype = Object.assign( Object.create( EventDispatcher.prototype ), { - - constructor: Material, - - isMaterial: true, - - onBeforeCompile: function () {}, - - setValues: function ( values ) { - - if ( values === undefined ) return; - - for ( var key in values ) { - - var newValue = values[ key ]; - - if ( newValue === undefined ) { - - console.warn( "THREE.Material: '" + key + "' parameter is undefined." ); - continue; - - } - - // for backward compatability if shading is set in the constructor - if ( key === 'shading' ) { - - console.warn( 'THREE.' + this.type + ': .shading has been removed. Use the boolean .flatShading instead.' ); - this.flatShading = ( newValue === FlatShading ) ? true : false; - continue; - - } - - var currentValue = this[ key ]; - - if ( currentValue === undefined ) { - - console.warn( "THREE." + this.type + ": '" + key + "' is not a property of this material." ); - continue; - - } - - if ( currentValue && currentValue.isColor ) { - - currentValue.set( newValue ); - - } else if ( ( currentValue && currentValue.isVector3 ) && ( newValue && newValue.isVector3 ) ) { - - currentValue.copy( newValue ); - - } else { - - this[ key ] = newValue; - - } - - } - - }, - - toJSON: function ( meta ) { - - var isRoot = ( meta === undefined || typeof meta === 'string' ); - - if ( isRoot ) { - - meta = { - textures: {}, - images: {} - }; - - } - - var data = { - metadata: { - version: 4.5, - type: 'Material', - generator: 'Material.toJSON' - } - }; - - // standard Material serialization - data.uuid = this.uuid; - data.type = this.type; - - if ( this.name !== '' ) data.name = this.name; - - if ( this.color && this.color.isColor ) data.color = this.color.getHex(); - - if ( this.roughness !== undefined ) data.roughness = this.roughness; - if ( this.metalness !== undefined ) data.metalness = this.metalness; - - if ( this.emissive && this.emissive.isColor ) data.emissive = this.emissive.getHex(); - if ( this.emissiveIntensity && this.emissiveIntensity !== 1 ) data.emissiveIntensity = this.emissiveIntensity; - - if ( this.specular && this.specular.isColor ) data.specular = this.specular.getHex(); - if ( this.shininess !== undefined ) data.shininess = this.shininess; - if ( this.clearcoat !== undefined ) data.clearcoat = this.clearcoat; - if ( this.clearcoatRoughness !== undefined ) data.clearcoatRoughness = this.clearcoatRoughness; - - if ( this.clearcoatNormalMap && this.clearcoatNormalMap.isTexture ) { - - data.clearcoatNormalMap = this.clearcoatNormalMap.toJSON( meta ).uuid; - data.clearcoatNormalScale = this.clearcoatNormalScale.toArray(); - - } - - if ( this.map && this.map.isTexture ) data.map = this.map.toJSON( meta ).uuid; - if ( this.matcap && this.matcap.isTexture ) data.matcap = this.matcap.toJSON( meta ).uuid; - if ( this.alphaMap && this.alphaMap.isTexture ) data.alphaMap = this.alphaMap.toJSON( meta ).uuid; - if ( this.lightMap && this.lightMap.isTexture ) data.lightMap = this.lightMap.toJSON( meta ).uuid; - - if ( this.aoMap && this.aoMap.isTexture ) { - - data.aoMap = this.aoMap.toJSON( meta ).uuid; - data.aoMapIntensity = this.aoMapIntensity; - - } - - if ( this.bumpMap && this.bumpMap.isTexture ) { - - data.bumpMap = this.bumpMap.toJSON( meta ).uuid; - data.bumpScale = this.bumpScale; - - } - - if ( this.normalMap && this.normalMap.isTexture ) { - - data.normalMap = this.normalMap.toJSON( meta ).uuid; - data.normalMapType = this.normalMapType; - data.normalScale = this.normalScale.toArray(); - - } - - if ( this.displacementMap && this.displacementMap.isTexture ) { - - data.displacementMap = this.displacementMap.toJSON( meta ).uuid; - data.displacementScale = this.displacementScale; - data.displacementBias = this.displacementBias; - - } - - if ( this.roughnessMap && this.roughnessMap.isTexture ) data.roughnessMap = this.roughnessMap.toJSON( meta ).uuid; - if ( this.metalnessMap && this.metalnessMap.isTexture ) data.metalnessMap = this.metalnessMap.toJSON( meta ).uuid; - - if ( this.emissiveMap && this.emissiveMap.isTexture ) data.emissiveMap = this.emissiveMap.toJSON( meta ).uuid; - if ( this.specularMap && this.specularMap.isTexture ) data.specularMap = this.specularMap.toJSON( meta ).uuid; - - if ( this.envMap && this.envMap.isTexture ) { - - data.envMap = this.envMap.toJSON( meta ).uuid; - data.reflectivity = this.reflectivity; // Scale behind envMap - data.refractionRatio = this.refractionRatio; - - if ( this.combine !== undefined ) data.combine = this.combine; - if ( this.envMapIntensity !== undefined ) data.envMapIntensity = this.envMapIntensity; - - } - - if ( this.gradientMap && this.gradientMap.isTexture ) { - - data.gradientMap = this.gradientMap.toJSON( meta ).uuid; - - } - - if ( this.size !== undefined ) data.size = this.size; - if ( this.sizeAttenuation !== undefined ) data.sizeAttenuation = this.sizeAttenuation; - - if ( this.blending !== NormalBlending ) data.blending = this.blending; - if ( this.flatShading === true ) data.flatShading = this.flatShading; - if ( this.side !== FrontSide ) data.side = this.side; - if ( this.vertexColors !== NoColors ) data.vertexColors = this.vertexColors; - - if ( this.opacity < 1 ) data.opacity = this.opacity; - if ( this.transparent === true ) data.transparent = this.transparent; - - data.depthFunc = this.depthFunc; - data.depthTest = this.depthTest; - data.depthWrite = this.depthWrite; - - data.stencilWrite = this.stencilWrite; - data.stencilFunc = this.stencilFunc; - data.stencilRef = this.stencilRef; - data.stencilMask = this.stencilMask; - data.stencilFail = this.stencilFail; - data.stencilZFail = this.stencilZFail; - data.stencilZPass = this.stencilZPass; - - // rotation (SpriteMaterial) - if ( this.rotation && this.rotation !== 0 ) data.rotation = this.rotation; - - if ( this.polygonOffset === true ) data.polygonOffset = true; - if ( this.polygonOffsetFactor !== 0 ) data.polygonOffsetFactor = this.polygonOffsetFactor; - if ( this.polygonOffsetUnits !== 0 ) data.polygonOffsetUnits = this.polygonOffsetUnits; - - if ( this.linewidth && this.linewidth !== 1 ) data.linewidth = this.linewidth; - if ( this.dashSize !== undefined ) data.dashSize = this.dashSize; - if ( this.gapSize !== undefined ) data.gapSize = this.gapSize; - if ( this.scale !== undefined ) data.scale = this.scale; - - if ( this.dithering === true ) data.dithering = true; - - if ( this.alphaTest > 0 ) data.alphaTest = this.alphaTest; - if ( this.premultipliedAlpha === true ) data.premultipliedAlpha = this.premultipliedAlpha; - - if ( this.wireframe === true ) data.wireframe = this.wireframe; - if ( this.wireframeLinewidth > 1 ) data.wireframeLinewidth = this.wireframeLinewidth; - if ( this.wireframeLinecap !== 'round' ) data.wireframeLinecap = this.wireframeLinecap; - if ( this.wireframeLinejoin !== 'round' ) data.wireframeLinejoin = this.wireframeLinejoin; - - if ( this.morphTargets === true ) data.morphTargets = true; - if ( this.morphNormals === true ) data.morphNormals = true; - if ( this.skinning === true ) data.skinning = true; - - if ( this.visible === false ) data.visible = false; - - if ( this.toneMapped === false ) data.toneMapped = false; - - if ( JSON.stringify( this.userData ) !== '{}' ) data.userData = this.userData; - - // TODO: Copied from Object3D.toJSON - - function extractFromCache( cache ) { - - var values = []; - - for ( var key in cache ) { - - var data = cache[ key ]; - delete data.metadata; - values.push( data ); - - } - - return values; - - } - - if ( isRoot ) { - - var textures = extractFromCache( meta.textures ); - var images = extractFromCache( meta.images ); - - if ( textures.length > 0 ) data.textures = textures; - if ( images.length > 0 ) data.images = images; - - } - - return data; - - }, - - clone: function () { - - return new this.constructor().copy( this ); - - }, - - copy: function ( source ) { - - this.name = source.name; - - this.fog = source.fog; - this.lights = source.lights; - - this.blending = source.blending; - this.side = source.side; - this.flatShading = source.flatShading; - this.vertexColors = source.vertexColors; - - this.opacity = source.opacity; - this.transparent = source.transparent; - - this.blendSrc = source.blendSrc; - this.blendDst = source.blendDst; - this.blendEquation = source.blendEquation; - this.blendSrcAlpha = source.blendSrcAlpha; - this.blendDstAlpha = source.blendDstAlpha; - this.blendEquationAlpha = source.blendEquationAlpha; - - this.depthFunc = source.depthFunc; - this.depthTest = source.depthTest; - this.depthWrite = source.depthWrite; - - this.stencilWrite = source.stencilWrite; - this.stencilFunc = source.stencilFunc; - this.stencilRef = source.stencilRef; - this.stencilMask = source.stencilMask; - this.stencilFail = source.stencilFail; - this.stencilZFail = source.stencilZFail; - this.stencilZPass = source.stencilZPass; - - this.colorWrite = source.colorWrite; - - this.precision = source.precision; - - this.polygonOffset = source.polygonOffset; - this.polygonOffsetFactor = source.polygonOffsetFactor; - this.polygonOffsetUnits = source.polygonOffsetUnits; - - this.dithering = source.dithering; - - this.alphaTest = source.alphaTest; - this.premultipliedAlpha = source.premultipliedAlpha; - - this.visible = source.visible; - - this.toneMapped = source.toneMapped; - - this.userData = JSON.parse( JSON.stringify( source.userData ) ); - - this.clipShadows = source.clipShadows; - this.clipIntersection = source.clipIntersection; - - var srcPlanes = source.clippingPlanes, - dstPlanes = null; - - if ( srcPlanes !== null ) { - - var n = srcPlanes.length; - dstPlanes = new Array( n ); - - for ( var i = 0; i !== n; ++ i ) - dstPlanes[ i ] = srcPlanes[ i ].clone(); - - } - - this.clippingPlanes = dstPlanes; - - this.shadowSide = source.shadowSide; - - return this; - - }, - - dispose: function () { - - this.dispatchEvent( { type: 'dispose' } ); - - } - - } ); - - /** + * + * parameters = { + * color: , + * specular: , + * shininess: , + * opacity: , + * + * map: new THREE.Texture( ), + * + * lightMap: new THREE.Texture( ), + * lightMapIntensity: + * + * aoMap: new THREE.Texture( ), + * aoMapIntensity: + * + * emissive: , + * emissiveIntensity: + * emissiveMap: new THREE.Texture( ), + * + * bumpMap: new THREE.Texture( ), + * bumpScale: , + * + * normalMap: new THREE.Texture( ), + * normalMapType: THREE.TangentSpaceNormalMap, + * normalScale: , + * + * displacementMap: new THREE.Texture( ), + * displacementScale: , + * displacementBias: , + * + * specularMap: new THREE.Texture( ), + * + * alphaMap: new THREE.Texture( ), + * + * envMap: new THREE.CubeTexture( [posx, negx, posy, negy, posz, negz] ), + * combine: THREE.MultiplyOperation, + * reflectivity: , + * refractionRatio: , + * + * wireframe: , + * wireframeLinewidth: , + * + * skinning: , + * morphTargets: , + * morphNormals: + * } + */function MeshPhongMaterial(parameters){Material.call(this);this.type='MeshPhongMaterial';this.color=new Color(0xffffff);// diffuse + this.specular=new Color(0x111111);this.shininess=30;this.map=null;this.lightMap=null;this.lightMapIntensity=1.0;this.aoMap=null;this.aoMapIntensity=1.0;this.emissive=new Color(0x000000);this.emissiveIntensity=1.0;this.emissiveMap=null;this.bumpMap=null;this.bumpScale=1;this.normalMap=null;this.normalMapType=TangentSpaceNormalMap;this.normalScale=new Vector2(1,1);this.displacementMap=null;this.displacementScale=1;this.displacementBias=0;this.specularMap=null;this.alphaMap=null;this.envMap=null;this.combine=MultiplyOperation;this.reflectivity=1;this.refractionRatio=0.98;this.wireframe=false;this.wireframeLinewidth=1;this.wireframeLinecap='round';this.wireframeLinejoin='round';this.skinning=false;this.morphTargets=false;this.morphNormals=false;this.setValues(parameters);}MeshPhongMaterial.prototype=Object.create(Material.prototype);MeshPhongMaterial.prototype.constructor=MeshPhongMaterial;MeshPhongMaterial.prototype.isMeshPhongMaterial=true;MeshPhongMaterial.prototype.copy=function(source){Material.prototype.copy.call(this,source);this.color.copy(source.color);this.specular.copy(source.specular);this.shininess=source.shininess;this.map=source.map;this.lightMap=source.lightMap;this.lightMapIntensity=source.lightMapIntensity;this.aoMap=source.aoMap;this.aoMapIntensity=source.aoMapIntensity;this.emissive.copy(source.emissive);this.emissiveMap=source.emissiveMap;this.emissiveIntensity=source.emissiveIntensity;this.bumpMap=source.bumpMap;this.bumpScale=source.bumpScale;this.normalMap=source.normalMap;this.normalMapType=source.normalMapType;this.normalScale.copy(source.normalScale);this.displacementMap=source.displacementMap;this.displacementScale=source.displacementScale;this.displacementBias=source.displacementBias;this.specularMap=source.specularMap;this.alphaMap=source.alphaMap;this.envMap=source.envMap;this.combine=source.combine;this.reflectivity=source.reflectivity;this.refractionRatio=source.refractionRatio;this.wireframe=source.wireframe;this.wireframeLinewidth=source.wireframeLinewidth;this.wireframeLinecap=source.wireframeLinecap;this.wireframeLinejoin=source.wireframeLinejoin;this.skinning=source.skinning;this.morphTargets=source.morphTargets;this.morphNormals=source.morphNormals;return this;};/** + * @author takahirox / http://github.com/takahirox + * + * parameters = { + * gradientMap: new THREE.Texture( ) + * } + */function MeshToonMaterial(parameters){MeshPhongMaterial.call(this);this.defines={'TOON':''};this.type='MeshToonMaterial';this.gradientMap=null;this.setValues(parameters);}MeshToonMaterial.prototype=Object.create(MeshPhongMaterial.prototype);MeshToonMaterial.prototype.constructor=MeshToonMaterial;MeshToonMaterial.prototype.isMeshToonMaterial=true;MeshToonMaterial.prototype.copy=function(source){MeshPhongMaterial.prototype.copy.call(this,source);this.gradientMap=source.gradientMap;return this;};/** + * @author mrdoob / http://mrdoob.com/ + * @author WestLangley / http://github.com/WestLangley + * + * parameters = { + * opacity: , + * + * bumpMap: new THREE.Texture( ), + * bumpScale: , + * + * normalMap: new THREE.Texture( ), + * normalMapType: THREE.TangentSpaceNormalMap, + * normalScale: , + * + * displacementMap: new THREE.Texture( ), + * displacementScale: , + * displacementBias: , + * + * wireframe: , + * wireframeLinewidth: + * + * skinning: , + * morphTargets: , + * morphNormals: + * } + */function MeshNormalMaterial(parameters){Material.call(this);this.type='MeshNormalMaterial';this.bumpMap=null;this.bumpScale=1;this.normalMap=null;this.normalMapType=TangentSpaceNormalMap;this.normalScale=new Vector2(1,1);this.displacementMap=null;this.displacementScale=1;this.displacementBias=0;this.wireframe=false;this.wireframeLinewidth=1;this.fog=false;this.skinning=false;this.morphTargets=false;this.morphNormals=false;this.setValues(parameters);}MeshNormalMaterial.prototype=Object.create(Material.prototype);MeshNormalMaterial.prototype.constructor=MeshNormalMaterial;MeshNormalMaterial.prototype.isMeshNormalMaterial=true;MeshNormalMaterial.prototype.copy=function(source){Material.prototype.copy.call(this,source);this.bumpMap=source.bumpMap;this.bumpScale=source.bumpScale;this.normalMap=source.normalMap;this.normalMapType=source.normalMapType;this.normalScale.copy(source.normalScale);this.displacementMap=source.displacementMap;this.displacementScale=source.displacementScale;this.displacementBias=source.displacementBias;this.wireframe=source.wireframe;this.wireframeLinewidth=source.wireframeLinewidth;this.skinning=source.skinning;this.morphTargets=source.morphTargets;this.morphNormals=source.morphNormals;return this;};/** * @author mrdoob / http://mrdoob.com/ * @author alteredq / http://alteredqualia.com/ * * parameters = { * color: , * opacity: , + * * map: new THREE.Texture( ), * * lightMap: new THREE.Texture( ), @@ -25875,6 +19300,10 @@ * aoMap: new THREE.Texture( ), * aoMapIntensity: * + * emissive: , + * emissiveIntensity: + * emissiveMap: new THREE.Texture( ), + * * specularMap: new THREE.Texture( ), * * alphaMap: new THREE.Texture( ), @@ -25884,39760 +19313,1194 @@ * reflectivity: , * refractionRatio: , * - * depthTest: , - * depthWrite: , - * * wireframe: , * wireframeLinewidth: , * * skinning: , - * morphTargets: + * morphTargets: , + * morphNormals: * } - */ - - function MeshBasicMaterial( parameters ) { - - Material.call( this ); - - this.type = 'MeshBasicMaterial'; - - this.color = new Color( 0xffffff ); // emissive - - this.map = null; - - this.lightMap = null; - this.lightMapIntensity = 1.0; - - this.aoMap = null; - this.aoMapIntensity = 1.0; - - this.specularMap = null; - - this.alphaMap = null; - - this.envMap = null; - this.combine = MultiplyOperation; - this.reflectivity = 1; - this.refractionRatio = 0.98; - - this.wireframe = false; - this.wireframeLinewidth = 1; - this.wireframeLinecap = 'round'; - this.wireframeLinejoin = 'round'; - - this.skinning = false; - this.morphTargets = false; - - this.lights = false; - - this.setValues( parameters ); - - } - - MeshBasicMaterial.prototype = Object.create( Material.prototype ); - MeshBasicMaterial.prototype.constructor = MeshBasicMaterial; - - MeshBasicMaterial.prototype.isMeshBasicMaterial = true; - - MeshBasicMaterial.prototype.copy = function ( source ) { - - Material.prototype.copy.call( this, source ); - - this.color.copy( source.color ); - - this.map = source.map; - - this.lightMap = source.lightMap; - this.lightMapIntensity = source.lightMapIntensity; - - this.aoMap = source.aoMap; - this.aoMapIntensity = source.aoMapIntensity; - - this.specularMap = source.specularMap; - - this.alphaMap = source.alphaMap; - - this.envMap = source.envMap; - this.combine = source.combine; - this.reflectivity = source.reflectivity; - this.refractionRatio = source.refractionRatio; - - this.wireframe = source.wireframe; - this.wireframeLinewidth = source.wireframeLinewidth; - this.wireframeLinecap = source.wireframeLinecap; - this.wireframeLinejoin = source.wireframeLinejoin; - - this.skinning = source.skinning; - this.morphTargets = source.morphTargets; - - return this; - - }; - - /** - * @author mrdoob / http://mrdoob.com/ - */ - - function BufferAttribute( array, itemSize, normalized ) { - - if ( Array.isArray( array ) ) { - - throw new TypeError( 'THREE.BufferAttribute: array should be a Typed Array.' ); - - } - - this.name = ''; - - this.array = array; - this.itemSize = itemSize; - this.count = array !== undefined ? array.length / itemSize : 0; - this.normalized = normalized === true; - - this.dynamic = false; - this.updateRange = { offset: 0, count: - 1 }; - - this.version = 0; - - } - - Object.defineProperty( BufferAttribute.prototype, 'needsUpdate', { - - set: function ( value ) { - - if ( value === true ) this.version ++; - - } - - } ); - - Object.assign( BufferAttribute.prototype, { - - isBufferAttribute: true, - - onUploadCallback: function () {}, - - setArray: function ( array ) { - - if ( Array.isArray( array ) ) { - - throw new TypeError( 'THREE.BufferAttribute: array should be a Typed Array.' ); - - } - - this.count = array !== undefined ? array.length / this.itemSize : 0; - this.array = array; - - return this; - - }, - - setDynamic: function ( value ) { - - this.dynamic = value; - - return this; - - }, - - copy: function ( source ) { - - this.name = source.name; - this.array = new source.array.constructor( source.array ); - this.itemSize = source.itemSize; - this.count = source.count; - this.normalized = source.normalized; - - this.dynamic = source.dynamic; - - return this; - - }, - - copyAt: function ( index1, attribute, index2 ) { - - index1 *= this.itemSize; - index2 *= attribute.itemSize; - - for ( var i = 0, l = this.itemSize; i < l; i ++ ) { - - this.array[ index1 + i ] = attribute.array[ index2 + i ]; - - } - - return this; - - }, - - copyArray: function ( array ) { - - this.array.set( array ); - - return this; - - }, - - copyColorsArray: function ( colors ) { - - var array = this.array, offset = 0; - - for ( var i = 0, l = colors.length; i < l; i ++ ) { - - var color = colors[ i ]; - - if ( color === undefined ) { - - console.warn( 'THREE.BufferAttribute.copyColorsArray(): color is undefined', i ); - color = new Color(); - - } - - array[ offset ++ ] = color.r; - array[ offset ++ ] = color.g; - array[ offset ++ ] = color.b; - - } - - return this; - - }, - - copyVector2sArray: function ( vectors ) { - - var array = this.array, offset = 0; - - for ( var i = 0, l = vectors.length; i < l; i ++ ) { - - var vector = vectors[ i ]; - - if ( vector === undefined ) { - - console.warn( 'THREE.BufferAttribute.copyVector2sArray(): vector is undefined', i ); - vector = new Vector2(); - - } - - array[ offset ++ ] = vector.x; - array[ offset ++ ] = vector.y; - - } - - return this; - - }, - - copyVector3sArray: function ( vectors ) { - - var array = this.array, offset = 0; - - for ( var i = 0, l = vectors.length; i < l; i ++ ) { - - var vector = vectors[ i ]; - - if ( vector === undefined ) { - - console.warn( 'THREE.BufferAttribute.copyVector3sArray(): vector is undefined', i ); - vector = new Vector3(); - - } - - array[ offset ++ ] = vector.x; - array[ offset ++ ] = vector.y; - array[ offset ++ ] = vector.z; - - } - - return this; - - }, - - copyVector4sArray: function ( vectors ) { - - var array = this.array, offset = 0; - - for ( var i = 0, l = vectors.length; i < l; i ++ ) { - - var vector = vectors[ i ]; - - if ( vector === undefined ) { - - console.warn( 'THREE.BufferAttribute.copyVector4sArray(): vector is undefined', i ); - vector = new Vector4(); - - } - - array[ offset ++ ] = vector.x; - array[ offset ++ ] = vector.y; - array[ offset ++ ] = vector.z; - array[ offset ++ ] = vector.w; - - } - - return this; - - }, - - set: function ( value, offset ) { - - if ( offset === undefined ) offset = 0; - - this.array.set( value, offset ); - - return this; - - }, - - getX: function ( index ) { - - return this.array[ index * this.itemSize ]; - - }, - - setX: function ( index, x ) { - - this.array[ index * this.itemSize ] = x; - - return this; - - }, - - getY: function ( index ) { - - return this.array[ index * this.itemSize + 1 ]; - - }, - - setY: function ( index, y ) { - - this.array[ index * this.itemSize + 1 ] = y; - - return this; - - }, - - getZ: function ( index ) { - - return this.array[ index * this.itemSize + 2 ]; - - }, - - setZ: function ( index, z ) { - - this.array[ index * this.itemSize + 2 ] = z; - - return this; - - }, - - getW: function ( index ) { - - return this.array[ index * this.itemSize + 3 ]; - - }, - - setW: function ( index, w ) { - - this.array[ index * this.itemSize + 3 ] = w; - - return this; - - }, - - setXY: function ( index, x, y ) { - - index *= this.itemSize; - - this.array[ index + 0 ] = x; - this.array[ index + 1 ] = y; - - return this; - - }, - - setXYZ: function ( index, x, y, z ) { - - index *= this.itemSize; - - this.array[ index + 0 ] = x; - this.array[ index + 1 ] = y; - this.array[ index + 2 ] = z; - - return this; - - }, - - setXYZW: function ( index, x, y, z, w ) { - - index *= this.itemSize; - - this.array[ index + 0 ] = x; - this.array[ index + 1 ] = y; - this.array[ index + 2 ] = z; - this.array[ index + 3 ] = w; - - return this; - - }, - - onUpload: function ( callback ) { - - this.onUploadCallback = callback; - - return this; - - }, - - clone: function () { - - return new this.constructor( this.array, this.itemSize ).copy( this ); - - }, - - toJSON: function () { - - return { - itemSize: this.itemSize, - type: this.array.constructor.name, - array: Array.prototype.slice.call( this.array ), - normalized: this.normalized - }; - - } - - } ); - - // - - function Int8BufferAttribute( array, itemSize, normalized ) { - - BufferAttribute.call( this, new Int8Array( array ), itemSize, normalized ); - - } - - Int8BufferAttribute.prototype = Object.create( BufferAttribute.prototype ); - Int8BufferAttribute.prototype.constructor = Int8BufferAttribute; - - - function Uint8BufferAttribute( array, itemSize, normalized ) { - - BufferAttribute.call( this, new Uint8Array( array ), itemSize, normalized ); - - } - - Uint8BufferAttribute.prototype = Object.create( BufferAttribute.prototype ); - Uint8BufferAttribute.prototype.constructor = Uint8BufferAttribute; - - - function Uint8ClampedBufferAttribute( array, itemSize, normalized ) { - - BufferAttribute.call( this, new Uint8ClampedArray( array ), itemSize, normalized ); - - } - - Uint8ClampedBufferAttribute.prototype = Object.create( BufferAttribute.prototype ); - Uint8ClampedBufferAttribute.prototype.constructor = Uint8ClampedBufferAttribute; - - - function Int16BufferAttribute( array, itemSize, normalized ) { - - BufferAttribute.call( this, new Int16Array( array ), itemSize, normalized ); - - } - - Int16BufferAttribute.prototype = Object.create( BufferAttribute.prototype ); - Int16BufferAttribute.prototype.constructor = Int16BufferAttribute; - - - function Uint16BufferAttribute( array, itemSize, normalized ) { - - BufferAttribute.call( this, new Uint16Array( array ), itemSize, normalized ); - - } - - Uint16BufferAttribute.prototype = Object.create( BufferAttribute.prototype ); - Uint16BufferAttribute.prototype.constructor = Uint16BufferAttribute; - - - function Int32BufferAttribute( array, itemSize, normalized ) { - - BufferAttribute.call( this, new Int32Array( array ), itemSize, normalized ); - - } - - Int32BufferAttribute.prototype = Object.create( BufferAttribute.prototype ); - Int32BufferAttribute.prototype.constructor = Int32BufferAttribute; - - - function Uint32BufferAttribute( array, itemSize, normalized ) { - - BufferAttribute.call( this, new Uint32Array( array ), itemSize, normalized ); - - } - - Uint32BufferAttribute.prototype = Object.create( BufferAttribute.prototype ); - Uint32BufferAttribute.prototype.constructor = Uint32BufferAttribute; - - - function Float32BufferAttribute( array, itemSize, normalized ) { - - BufferAttribute.call( this, new Float32Array( array ), itemSize, normalized ); - - } - - Float32BufferAttribute.prototype = Object.create( BufferAttribute.prototype ); - Float32BufferAttribute.prototype.constructor = Float32BufferAttribute; - - - function Float64BufferAttribute( array, itemSize, normalized ) { - - BufferAttribute.call( this, new Float64Array( array ), itemSize, normalized ); - - } - - Float64BufferAttribute.prototype = Object.create( BufferAttribute.prototype ); - Float64BufferAttribute.prototype.constructor = Float64BufferAttribute; - - /** - * @author mrdoob / http://mrdoob.com/ - */ - - function DirectGeometry() { - - this.vertices = []; - this.normals = []; - this.colors = []; - this.uvs = []; - this.uvs2 = []; - - this.groups = []; - - this.morphTargets = {}; - - this.skinWeights = []; - this.skinIndices = []; - - // this.lineDistances = []; - - this.boundingBox = null; - this.boundingSphere = null; - - // update flags - - this.verticesNeedUpdate = false; - this.normalsNeedUpdate = false; - this.colorsNeedUpdate = false; - this.uvsNeedUpdate = false; - this.groupsNeedUpdate = false; - - } - - Object.assign( DirectGeometry.prototype, { - - computeGroups: function ( geometry ) { - - var group; - var groups = []; - var materialIndex = undefined; - - var faces = geometry.faces; - - for ( var i = 0; i < faces.length; i ++ ) { - - var face = faces[ i ]; - - // materials - - if ( face.materialIndex !== materialIndex ) { - - materialIndex = face.materialIndex; - - if ( group !== undefined ) { - - group.count = ( i * 3 ) - group.start; - groups.push( group ); - - } - - group = { - start: i * 3, - materialIndex: materialIndex - }; - - } - - } - - if ( group !== undefined ) { - - group.count = ( i * 3 ) - group.start; - groups.push( group ); - - } - - this.groups = groups; - - }, - - fromGeometry: function ( geometry ) { - - var faces = geometry.faces; - var vertices = geometry.vertices; - var faceVertexUvs = geometry.faceVertexUvs; - - var hasFaceVertexUv = faceVertexUvs[ 0 ] && faceVertexUvs[ 0 ].length > 0; - var hasFaceVertexUv2 = faceVertexUvs[ 1 ] && faceVertexUvs[ 1 ].length > 0; - - // morphs - - var morphTargets = geometry.morphTargets; - var morphTargetsLength = morphTargets.length; - - var morphTargetsPosition; - - if ( morphTargetsLength > 0 ) { - - morphTargetsPosition = []; - - for ( var i = 0; i < morphTargetsLength; i ++ ) { - - morphTargetsPosition[ i ] = { - name: morphTargets[ i ].name, - data: [] - }; - - } - - this.morphTargets.position = morphTargetsPosition; - - } - - var morphNormals = geometry.morphNormals; - var morphNormalsLength = morphNormals.length; - - var morphTargetsNormal; - - if ( morphNormalsLength > 0 ) { - - morphTargetsNormal = []; - - for ( var i = 0; i < morphNormalsLength; i ++ ) { - - morphTargetsNormal[ i ] = { - name: morphNormals[ i ].name, - data: [] - }; - - } - - this.morphTargets.normal = morphTargetsNormal; - - } - - // skins - - var skinIndices = geometry.skinIndices; - var skinWeights = geometry.skinWeights; - - var hasSkinIndices = skinIndices.length === vertices.length; - var hasSkinWeights = skinWeights.length === vertices.length; - - // - - if ( vertices.length > 0 && faces.length === 0 ) { - - console.error( 'THREE.DirectGeometry: Faceless geometries are not supported.' ); - - } - - for ( var i = 0; i < faces.length; i ++ ) { - - var face = faces[ i ]; - - this.vertices.push( vertices[ face.a ], vertices[ face.b ], vertices[ face.c ] ); - - var vertexNormals = face.vertexNormals; - - if ( vertexNormals.length === 3 ) { - - this.normals.push( vertexNormals[ 0 ], vertexNormals[ 1 ], vertexNormals[ 2 ] ); - - } else { - - var normal = face.normal; - - this.normals.push( normal, normal, normal ); - - } - - var vertexColors = face.vertexColors; - - if ( vertexColors.length === 3 ) { - - this.colors.push( vertexColors[ 0 ], vertexColors[ 1 ], vertexColors[ 2 ] ); - - } else { - - var color = face.color; - - this.colors.push( color, color, color ); - - } - - if ( hasFaceVertexUv === true ) { - - var vertexUvs = faceVertexUvs[ 0 ][ i ]; - - if ( vertexUvs !== undefined ) { - - this.uvs.push( vertexUvs[ 0 ], vertexUvs[ 1 ], vertexUvs[ 2 ] ); - - } else { - - console.warn( 'THREE.DirectGeometry.fromGeometry(): Undefined vertexUv ', i ); - - this.uvs.push( new Vector2(), new Vector2(), new Vector2() ); - - } - - } - - if ( hasFaceVertexUv2 === true ) { - - var vertexUvs = faceVertexUvs[ 1 ][ i ]; - - if ( vertexUvs !== undefined ) { - - this.uvs2.push( vertexUvs[ 0 ], vertexUvs[ 1 ], vertexUvs[ 2 ] ); - - } else { - - console.warn( 'THREE.DirectGeometry.fromGeometry(): Undefined vertexUv2 ', i ); - - this.uvs2.push( new Vector2(), new Vector2(), new Vector2() ); - - } - - } - - // morphs - - for ( var j = 0; j < morphTargetsLength; j ++ ) { - - var morphTarget = morphTargets[ j ].vertices; - - morphTargetsPosition[ j ].data.push( morphTarget[ face.a ], morphTarget[ face.b ], morphTarget[ face.c ] ); - - } - - for ( var j = 0; j < morphNormalsLength; j ++ ) { - - var morphNormal = morphNormals[ j ].vertexNormals[ i ]; - - morphTargetsNormal[ j ].data.push( morphNormal.a, morphNormal.b, morphNormal.c ); - - } - - // skins - - if ( hasSkinIndices ) { - - this.skinIndices.push( skinIndices[ face.a ], skinIndices[ face.b ], skinIndices[ face.c ] ); - - } - - if ( hasSkinWeights ) { - - this.skinWeights.push( skinWeights[ face.a ], skinWeights[ face.b ], skinWeights[ face.c ] ); - - } - - } - - this.computeGroups( geometry ); - - this.verticesNeedUpdate = geometry.verticesNeedUpdate; - this.normalsNeedUpdate = geometry.normalsNeedUpdate; - this.colorsNeedUpdate = geometry.colorsNeedUpdate; - this.uvsNeedUpdate = geometry.uvsNeedUpdate; - this.groupsNeedUpdate = geometry.groupsNeedUpdate; - - if ( geometry.boundingSphere !== null ) { - - this.boundingSphere = geometry.boundingSphere.clone(); - - } - - if ( geometry.boundingBox !== null ) { - - this.boundingBox = geometry.boundingBox.clone(); - - } - - return this; - - } - - } ); - - /** - * @author mrdoob / http://mrdoob.com/ - */ - - function arrayMax( array ) { - - if ( array.length === 0 ) return - Infinity; - - var max = array[ 0 ]; - - for ( var i = 1, l = array.length; i < l; ++ i ) { - - if ( array[ i ] > max ) max = array[ i ]; - - } - - return max; - - } - - /** + */function MeshLambertMaterial(parameters){Material.call(this);this.type='MeshLambertMaterial';this.color=new Color(0xffffff);// diffuse + this.map=null;this.lightMap=null;this.lightMapIntensity=1.0;this.aoMap=null;this.aoMapIntensity=1.0;this.emissive=new Color(0x000000);this.emissiveIntensity=1.0;this.emissiveMap=null;this.specularMap=null;this.alphaMap=null;this.envMap=null;this.combine=MultiplyOperation;this.reflectivity=1;this.refractionRatio=0.98;this.wireframe=false;this.wireframeLinewidth=1;this.wireframeLinecap='round';this.wireframeLinejoin='round';this.skinning=false;this.morphTargets=false;this.morphNormals=false;this.setValues(parameters);}MeshLambertMaterial.prototype=Object.create(Material.prototype);MeshLambertMaterial.prototype.constructor=MeshLambertMaterial;MeshLambertMaterial.prototype.isMeshLambertMaterial=true;MeshLambertMaterial.prototype.copy=function(source){Material.prototype.copy.call(this,source);this.color.copy(source.color);this.map=source.map;this.lightMap=source.lightMap;this.lightMapIntensity=source.lightMapIntensity;this.aoMap=source.aoMap;this.aoMapIntensity=source.aoMapIntensity;this.emissive.copy(source.emissive);this.emissiveMap=source.emissiveMap;this.emissiveIntensity=source.emissiveIntensity;this.specularMap=source.specularMap;this.alphaMap=source.alphaMap;this.envMap=source.envMap;this.combine=source.combine;this.reflectivity=source.reflectivity;this.refractionRatio=source.refractionRatio;this.wireframe=source.wireframe;this.wireframeLinewidth=source.wireframeLinewidth;this.wireframeLinecap=source.wireframeLinecap;this.wireframeLinejoin=source.wireframeLinejoin;this.skinning=source.skinning;this.morphTargets=source.morphTargets;this.morphNormals=source.morphNormals;return this;};/** + * @author WestLangley / http://github.com/WestLangley + * + * parameters = { + * color: , + * opacity: , + * + * matcap: new THREE.Texture( ), + * + * map: new THREE.Texture( ), + * + * bumpMap: new THREE.Texture( ), + * bumpScale: , + * + * normalMap: new THREE.Texture( ), + * normalMapType: THREE.TangentSpaceNormalMap, + * normalScale: , + * + * displacementMap: new THREE.Texture( ), + * displacementScale: , + * displacementBias: , + * + * alphaMap: new THREE.Texture( ), + * + * skinning: , + * morphTargets: , + * morphNormals: + * } + */function MeshMatcapMaterial(parameters){Material.call(this);this.defines={'MATCAP':''};this.type='MeshMatcapMaterial';this.color=new Color(0xffffff);// diffuse + this.matcap=null;this.map=null;this.bumpMap=null;this.bumpScale=1;this.normalMap=null;this.normalMapType=TangentSpaceNormalMap;this.normalScale=new Vector2(1,1);this.displacementMap=null;this.displacementScale=1;this.displacementBias=0;this.alphaMap=null;this.skinning=false;this.morphTargets=false;this.morphNormals=false;this.setValues(parameters);}MeshMatcapMaterial.prototype=Object.create(Material.prototype);MeshMatcapMaterial.prototype.constructor=MeshMatcapMaterial;MeshMatcapMaterial.prototype.isMeshMatcapMaterial=true;MeshMatcapMaterial.prototype.copy=function(source){Material.prototype.copy.call(this,source);this.defines={'MATCAP':''};this.color.copy(source.color);this.matcap=source.matcap;this.map=source.map;this.bumpMap=source.bumpMap;this.bumpScale=source.bumpScale;this.normalMap=source.normalMap;this.normalMapType=source.normalMapType;this.normalScale.copy(source.normalScale);this.displacementMap=source.displacementMap;this.displacementScale=source.displacementScale;this.displacementBias=source.displacementBias;this.alphaMap=source.alphaMap;this.skinning=source.skinning;this.morphTargets=source.morphTargets;this.morphNormals=source.morphNormals;return this;};/** * @author alteredq / http://alteredqualia.com/ - * @author mrdoob / http://mrdoob.com/ - */ - - var _bufferGeometryId = 1; // BufferGeometry uses odd numbers as Id - - var _m1$2 = new Matrix4(); - var _obj = new Object3D(); - var _offset = new Vector3(); - var _box$1 = new Box3(); - var _boxMorphTargets = new Box3(); - var _vector$4 = new Vector3(); - - function BufferGeometry() { - - Object.defineProperty( this, 'id', { value: _bufferGeometryId += 2 } ); - - this.uuid = _Math.generateUUID(); - - this.name = ''; - this.type = 'BufferGeometry'; - - this.index = null; - this.attributes = {}; - - this.morphAttributes = {}; - - this.groups = []; - - this.boundingBox = null; - this.boundingSphere = null; - - this.drawRange = { start: 0, count: Infinity }; - - this.userData = {}; - - } - - BufferGeometry.prototype = Object.assign( Object.create( EventDispatcher.prototype ), { - - constructor: BufferGeometry, - - isBufferGeometry: true, - - getIndex: function () { - - return this.index; - - }, - - setIndex: function ( index ) { - - if ( Array.isArray( index ) ) { - - this.index = new ( arrayMax( index ) > 65535 ? Uint32BufferAttribute : Uint16BufferAttribute )( index, 1 ); - - } else { - - this.index = index; - - } - - }, - - addAttribute: function ( name, attribute ) { - - if ( ! ( attribute && attribute.isBufferAttribute ) && ! ( attribute && attribute.isInterleavedBufferAttribute ) ) { - - console.warn( 'THREE.BufferGeometry: .addAttribute() now expects ( name, attribute ).' ); - - return this.addAttribute( name, new BufferAttribute( arguments[ 1 ], arguments[ 2 ] ) ); - - } - - if ( name === 'index' ) { - - console.warn( 'THREE.BufferGeometry.addAttribute: Use .setIndex() for index attribute.' ); - this.setIndex( attribute ); - - return this; - - } - - this.attributes[ name ] = attribute; - - return this; - - }, - - getAttribute: function ( name ) { - - return this.attributes[ name ]; - - }, - - removeAttribute: function ( name ) { - - delete this.attributes[ name ]; - - return this; - - }, - - addGroup: function ( start, count, materialIndex ) { - - this.groups.push( { - - start: start, - count: count, - materialIndex: materialIndex !== undefined ? materialIndex : 0 - - } ); - - }, - - clearGroups: function () { - - this.groups = []; - - }, - - setDrawRange: function ( start, count ) { - - this.drawRange.start = start; - this.drawRange.count = count; - - }, - - applyMatrix: function ( matrix ) { - - var position = this.attributes.position; - - if ( position !== undefined ) { - - matrix.applyToBufferAttribute( position ); - position.needsUpdate = true; - - } - - var normal = this.attributes.normal; - - if ( normal !== undefined ) { - - var normalMatrix = new Matrix3().getNormalMatrix( matrix ); - - normalMatrix.applyToBufferAttribute( normal ); - normal.needsUpdate = true; - - } - - var tangent = this.attributes.tangent; - - if ( tangent !== undefined ) { - - var normalMatrix = new Matrix3().getNormalMatrix( matrix ); - - // Tangent is vec4, but the '.w' component is a sign value (+1/-1). - normalMatrix.applyToBufferAttribute( tangent ); - tangent.needsUpdate = true; - - } - - if ( this.boundingBox !== null ) { - - this.computeBoundingBox(); - - } - - if ( this.boundingSphere !== null ) { - - this.computeBoundingSphere(); - - } - - return this; - - }, - - rotateX: function ( angle ) { - - // rotate geometry around world x-axis - - _m1$2.makeRotationX( angle ); - - this.applyMatrix( _m1$2 ); - - return this; - - }, - - rotateY: function ( angle ) { - - // rotate geometry around world y-axis - - _m1$2.makeRotationY( angle ); - - this.applyMatrix( _m1$2 ); - - return this; - - }, - - rotateZ: function ( angle ) { - - // rotate geometry around world z-axis - - _m1$2.makeRotationZ( angle ); - - this.applyMatrix( _m1$2 ); - - return this; - - }, - - translate: function ( x, y, z ) { - - // translate geometry - - _m1$2.makeTranslation( x, y, z ); - - this.applyMatrix( _m1$2 ); - - return this; - - }, - - scale: function ( x, y, z ) { - - // scale geometry - - _m1$2.makeScale( x, y, z ); - - this.applyMatrix( _m1$2 ); - - return this; - - }, - - lookAt: function ( vector ) { - - _obj.lookAt( vector ); - - _obj.updateMatrix(); - - this.applyMatrix( _obj.matrix ); - - return this; - - }, - - center: function () { - - this.computeBoundingBox(); - - this.boundingBox.getCenter( _offset ).negate(); - - this.translate( _offset.x, _offset.y, _offset.z ); - - return this; - - }, - - setFromObject: function ( object ) { - - // console.log( 'THREE.BufferGeometry.setFromObject(). Converting', object, this ); - - var geometry = object.geometry; - - if ( object.isPoints || object.isLine ) { - - var positions = new Float32BufferAttribute( geometry.vertices.length * 3, 3 ); - var colors = new Float32BufferAttribute( geometry.colors.length * 3, 3 ); - - this.addAttribute( 'position', positions.copyVector3sArray( geometry.vertices ) ); - this.addAttribute( 'color', colors.copyColorsArray( geometry.colors ) ); - - if ( geometry.lineDistances && geometry.lineDistances.length === geometry.vertices.length ) { - - var lineDistances = new Float32BufferAttribute( geometry.lineDistances.length, 1 ); - - this.addAttribute( 'lineDistance', lineDistances.copyArray( geometry.lineDistances ) ); - - } - - if ( geometry.boundingSphere !== null ) { - - this.boundingSphere = geometry.boundingSphere.clone(); - - } - - if ( geometry.boundingBox !== null ) { - - this.boundingBox = geometry.boundingBox.clone(); - - } - - } else if ( object.isMesh ) { - - if ( geometry && geometry.isGeometry ) { - - this.fromGeometry( geometry ); - - } - - } - - return this; - - }, - - setFromPoints: function ( points ) { - - var position = []; - - for ( var i = 0, l = points.length; i < l; i ++ ) { - - var point = points[ i ]; - position.push( point.x, point.y, point.z || 0 ); - - } - - this.addAttribute( 'position', new Float32BufferAttribute( position, 3 ) ); - - return this; - - }, - - updateFromObject: function ( object ) { - - var geometry = object.geometry; - - if ( object.isMesh ) { - - var direct = geometry.__directGeometry; - - if ( geometry.elementsNeedUpdate === true ) { - - direct = undefined; - geometry.elementsNeedUpdate = false; - - } - - if ( direct === undefined ) { - - return this.fromGeometry( geometry ); - - } - - direct.verticesNeedUpdate = geometry.verticesNeedUpdate; - direct.normalsNeedUpdate = geometry.normalsNeedUpdate; - direct.colorsNeedUpdate = geometry.colorsNeedUpdate; - direct.uvsNeedUpdate = geometry.uvsNeedUpdate; - direct.groupsNeedUpdate = geometry.groupsNeedUpdate; - - geometry.verticesNeedUpdate = false; - geometry.normalsNeedUpdate = false; - geometry.colorsNeedUpdate = false; - geometry.uvsNeedUpdate = false; - geometry.groupsNeedUpdate = false; - - geometry = direct; - - } - - var attribute; - - if ( geometry.verticesNeedUpdate === true ) { - - attribute = this.attributes.position; - - if ( attribute !== undefined ) { - - attribute.copyVector3sArray( geometry.vertices ); - attribute.needsUpdate = true; - - } - - geometry.verticesNeedUpdate = false; - - } - - if ( geometry.normalsNeedUpdate === true ) { - - attribute = this.attributes.normal; - - if ( attribute !== undefined ) { - - attribute.copyVector3sArray( geometry.normals ); - attribute.needsUpdate = true; - - } - - geometry.normalsNeedUpdate = false; - - } - - if ( geometry.colorsNeedUpdate === true ) { - - attribute = this.attributes.color; - - if ( attribute !== undefined ) { - - attribute.copyColorsArray( geometry.colors ); - attribute.needsUpdate = true; - - } - - geometry.colorsNeedUpdate = false; - - } - - if ( geometry.uvsNeedUpdate ) { - - attribute = this.attributes.uv; - - if ( attribute !== undefined ) { - - attribute.copyVector2sArray( geometry.uvs ); - attribute.needsUpdate = true; - - } - - geometry.uvsNeedUpdate = false; - - } - - if ( geometry.lineDistancesNeedUpdate ) { - - attribute = this.attributes.lineDistance; - - if ( attribute !== undefined ) { - - attribute.copyArray( geometry.lineDistances ); - attribute.needsUpdate = true; - - } - - geometry.lineDistancesNeedUpdate = false; - - } - - if ( geometry.groupsNeedUpdate ) { - - geometry.computeGroups( object.geometry ); - this.groups = geometry.groups; - - geometry.groupsNeedUpdate = false; - - } - - return this; - - }, - - fromGeometry: function ( geometry ) { - - geometry.__directGeometry = new DirectGeometry().fromGeometry( geometry ); - - return this.fromDirectGeometry( geometry.__directGeometry ); - - }, - - fromDirectGeometry: function ( geometry ) { - - var positions = new Float32Array( geometry.vertices.length * 3 ); - this.addAttribute( 'position', new BufferAttribute( positions, 3 ).copyVector3sArray( geometry.vertices ) ); - - if ( geometry.normals.length > 0 ) { - - var normals = new Float32Array( geometry.normals.length * 3 ); - this.addAttribute( 'normal', new BufferAttribute( normals, 3 ).copyVector3sArray( geometry.normals ) ); - - } - - if ( geometry.colors.length > 0 ) { - - var colors = new Float32Array( geometry.colors.length * 3 ); - this.addAttribute( 'color', new BufferAttribute( colors, 3 ).copyColorsArray( geometry.colors ) ); - - } - - if ( geometry.uvs.length > 0 ) { - - var uvs = new Float32Array( geometry.uvs.length * 2 ); - this.addAttribute( 'uv', new BufferAttribute( uvs, 2 ).copyVector2sArray( geometry.uvs ) ); - - } - - if ( geometry.uvs2.length > 0 ) { - - var uvs2 = new Float32Array( geometry.uvs2.length * 2 ); - this.addAttribute( 'uv2', new BufferAttribute( uvs2, 2 ).copyVector2sArray( geometry.uvs2 ) ); - - } - - // groups - - this.groups = geometry.groups; - - // morphs - - for ( var name in geometry.morphTargets ) { - - var array = []; - var morphTargets = geometry.morphTargets[ name ]; - - for ( var i = 0, l = morphTargets.length; i < l; i ++ ) { - - var morphTarget = morphTargets[ i ]; - - var attribute = new Float32BufferAttribute( morphTarget.data.length * 3, 3 ); - attribute.name = morphTarget.name; - - array.push( attribute.copyVector3sArray( morphTarget.data ) ); - - } - - this.morphAttributes[ name ] = array; - - } - - // skinning - - if ( geometry.skinIndices.length > 0 ) { - - var skinIndices = new Float32BufferAttribute( geometry.skinIndices.length * 4, 4 ); - this.addAttribute( 'skinIndex', skinIndices.copyVector4sArray( geometry.skinIndices ) ); - - } - - if ( geometry.skinWeights.length > 0 ) { - - var skinWeights = new Float32BufferAttribute( geometry.skinWeights.length * 4, 4 ); - this.addAttribute( 'skinWeight', skinWeights.copyVector4sArray( geometry.skinWeights ) ); - - } - - // - - if ( geometry.boundingSphere !== null ) { - - this.boundingSphere = geometry.boundingSphere.clone(); - - } - - if ( geometry.boundingBox !== null ) { - - this.boundingBox = geometry.boundingBox.clone(); - - } - - return this; - - }, - - computeBoundingBox: function () { - - if ( this.boundingBox === null ) { - - this.boundingBox = new Box3(); - - } - - var position = this.attributes.position; - var morphAttributesPosition = this.morphAttributes.position; - - if ( position !== undefined ) { - - this.boundingBox.setFromBufferAttribute( position ); - - // process morph attributes if present - - if ( morphAttributesPosition ) { - - for ( var i = 0, il = morphAttributesPosition.length; i < il; i ++ ) { - - var morphAttribute = morphAttributesPosition[ i ]; - _box$1.setFromBufferAttribute( morphAttribute ); - - this.boundingBox.expandByPoint( _box$1.min ); - this.boundingBox.expandByPoint( _box$1.max ); - - } - - } - - } else { - - this.boundingBox.makeEmpty(); - - } - - if ( isNaN( this.boundingBox.min.x ) || isNaN( this.boundingBox.min.y ) || isNaN( this.boundingBox.min.z ) ) { - - console.error( 'THREE.BufferGeometry.computeBoundingBox: Computed min/max have NaN values. The "position" attribute is likely to have NaN values.', this ); - - } - - }, - - computeBoundingSphere: function () { - - if ( this.boundingSphere === null ) { - - this.boundingSphere = new Sphere(); - - } - - var position = this.attributes.position; - var morphAttributesPosition = this.morphAttributes.position; - - if ( position ) { - - // first, find the center of the bounding sphere - - var center = this.boundingSphere.center; - - _box$1.setFromBufferAttribute( position ); - - // process morph attributes if present - - if ( morphAttributesPosition ) { - - for ( var i = 0, il = morphAttributesPosition.length; i < il; i ++ ) { - - var morphAttribute = morphAttributesPosition[ i ]; - _boxMorphTargets.setFromBufferAttribute( morphAttribute ); - - _box$1.expandByPoint( _boxMorphTargets.min ); - _box$1.expandByPoint( _boxMorphTargets.max ); - - } - - } - - _box$1.getCenter( center ); - - // second, try to find a boundingSphere with a radius smaller than the - // boundingSphere of the boundingBox: sqrt(3) smaller in the best case - - var maxRadiusSq = 0; - - for ( var i = 0, il = position.count; i < il; i ++ ) { - - _vector$4.fromBufferAttribute( position, i ); - - maxRadiusSq = Math.max( maxRadiusSq, center.distanceToSquared( _vector$4 ) ); - - } - - // process morph attributes if present - - if ( morphAttributesPosition ) { - - for ( var i = 0, il = morphAttributesPosition.length; i < il; i ++ ) { - - var morphAttribute = morphAttributesPosition[ i ]; - - for ( var j = 0, jl = morphAttribute.count; j < jl; j ++ ) { - - _vector$4.fromBufferAttribute( morphAttribute, j ); - - maxRadiusSq = Math.max( maxRadiusSq, center.distanceToSquared( _vector$4 ) ); - - } - - } - - } - - this.boundingSphere.radius = Math.sqrt( maxRadiusSq ); - - if ( isNaN( this.boundingSphere.radius ) ) { - - console.error( 'THREE.BufferGeometry.computeBoundingSphere(): Computed radius is NaN. The "position" attribute is likely to have NaN values.', this ); - - } - - } - - }, - - computeFaceNormals: function () { - - // backwards compatibility - - }, - - computeVertexNormals: function () { - - var index = this.index; - var attributes = this.attributes; - - if ( attributes.position ) { - - var positions = attributes.position.array; - - if ( attributes.normal === undefined ) { - - this.addAttribute( 'normal', new BufferAttribute( new Float32Array( positions.length ), 3 ) ); - - } else { - - // reset existing normals to zero - - var array = attributes.normal.array; - - for ( var i = 0, il = array.length; i < il; i ++ ) { - - array[ i ] = 0; - - } - - } - - var normals = attributes.normal.array; - - var vA, vB, vC; - var pA = new Vector3(), pB = new Vector3(), pC = new Vector3(); - var cb = new Vector3(), ab = new Vector3(); - - // indexed elements - - if ( index ) { - - var indices = index.array; - - for ( var i = 0, il = index.count; i < il; i += 3 ) { - - vA = indices[ i + 0 ] * 3; - vB = indices[ i + 1 ] * 3; - vC = indices[ i + 2 ] * 3; - - pA.fromArray( positions, vA ); - pB.fromArray( positions, vB ); - pC.fromArray( positions, vC ); - - cb.subVectors( pC, pB ); - ab.subVectors( pA, pB ); - cb.cross( ab ); - - normals[ vA ] += cb.x; - normals[ vA + 1 ] += cb.y; - normals[ vA + 2 ] += cb.z; - - normals[ vB ] += cb.x; - normals[ vB + 1 ] += cb.y; - normals[ vB + 2 ] += cb.z; - - normals[ vC ] += cb.x; - normals[ vC + 1 ] += cb.y; - normals[ vC + 2 ] += cb.z; - - } - - } else { - - // non-indexed elements (unconnected triangle soup) - - for ( var i = 0, il = positions.length; i < il; i += 9 ) { - - pA.fromArray( positions, i ); - pB.fromArray( positions, i + 3 ); - pC.fromArray( positions, i + 6 ); - - cb.subVectors( pC, pB ); - ab.subVectors( pA, pB ); - cb.cross( ab ); - - normals[ i ] = cb.x; - normals[ i + 1 ] = cb.y; - normals[ i + 2 ] = cb.z; - - normals[ i + 3 ] = cb.x; - normals[ i + 4 ] = cb.y; - normals[ i + 5 ] = cb.z; - - normals[ i + 6 ] = cb.x; - normals[ i + 7 ] = cb.y; - normals[ i + 8 ] = cb.z; - - } - - } - - this.normalizeNormals(); - - attributes.normal.needsUpdate = true; - - } - - }, - - merge: function ( geometry, offset ) { - - if ( ! ( geometry && geometry.isBufferGeometry ) ) { - - console.error( 'THREE.BufferGeometry.merge(): geometry not an instance of THREE.BufferGeometry.', geometry ); - return; - - } - - if ( offset === undefined ) { - - offset = 0; - - console.warn( - 'THREE.BufferGeometry.merge(): Overwriting original geometry, starting at offset=0. ' - + 'Use BufferGeometryUtils.mergeBufferGeometries() for lossless merge.' - ); - - } - - var attributes = this.attributes; - - for ( var key in attributes ) { - - if ( geometry.attributes[ key ] === undefined ) continue; - - var attribute1 = attributes[ key ]; - var attributeArray1 = attribute1.array; - - var attribute2 = geometry.attributes[ key ]; - var attributeArray2 = attribute2.array; - - var attributeOffset = attribute2.itemSize * offset; - var length = Math.min( attributeArray2.length, attributeArray1.length - attributeOffset ); - - for ( var i = 0, j = attributeOffset; i < length; i ++, j ++ ) { - - attributeArray1[ j ] = attributeArray2[ i ]; - - } - - } - - return this; - - }, - - normalizeNormals: function () { - - var normals = this.attributes.normal; - - for ( var i = 0, il = normals.count; i < il; i ++ ) { - - _vector$4.x = normals.getX( i ); - _vector$4.y = normals.getY( i ); - _vector$4.z = normals.getZ( i ); - - _vector$4.normalize(); - - normals.setXYZ( i, _vector$4.x, _vector$4.y, _vector$4.z ); - - } - - }, - - toNonIndexed: function () { - - function convertBufferAttribute( attribute, indices ) { - - var array = attribute.array; - var itemSize = attribute.itemSize; - - var array2 = new array.constructor( indices.length * itemSize ); - - var index = 0, index2 = 0; - - for ( var i = 0, l = indices.length; i < l; i ++ ) { - - index = indices[ i ] * itemSize; - - for ( var j = 0; j < itemSize; j ++ ) { - - array2[ index2 ++ ] = array[ index ++ ]; - - } - - } - - return new BufferAttribute( array2, itemSize ); - - } - - // - - if ( this.index === null ) { - - console.warn( 'THREE.BufferGeometry.toNonIndexed(): Geometry is already non-indexed.' ); - return this; - - } - - var geometry2 = new BufferGeometry(); - - var indices = this.index.array; - var attributes = this.attributes; - - // attributes - - for ( var name in attributes ) { - - var attribute = attributes[ name ]; - - var newAttribute = convertBufferAttribute( attribute, indices ); - - geometry2.addAttribute( name, newAttribute ); - - } - - // morph attributes - - var morphAttributes = this.morphAttributes; - - for ( name in morphAttributes ) { - - var morphArray = []; - var morphAttribute = morphAttributes[ name ]; // morphAttribute: array of Float32BufferAttributes - - for ( var i = 0, il = morphAttribute.length; i < il; i ++ ) { - - var attribute = morphAttribute[ i ]; - - var newAttribute = convertBufferAttribute( attribute, indices ); - - morphArray.push( newAttribute ); - - } - - geometry2.morphAttributes[ name ] = morphArray; - - } - - // groups - - var groups = this.groups; - - for ( var i = 0, l = groups.length; i < l; i ++ ) { - - var group = groups[ i ]; - geometry2.addGroup( group.start, group.count, group.materialIndex ); - - } - - return geometry2; - - }, - - toJSON: function () { - - var data = { - metadata: { - version: 4.5, - type: 'BufferGeometry', - generator: 'BufferGeometry.toJSON' - } - }; - - // standard BufferGeometry serialization - - data.uuid = this.uuid; - data.type = this.type; - if ( this.name !== '' ) data.name = this.name; - if ( Object.keys( this.userData ).length > 0 ) data.userData = this.userData; - - if ( this.parameters !== undefined ) { - - var parameters = this.parameters; - - for ( var key in parameters ) { - - if ( parameters[ key ] !== undefined ) data[ key ] = parameters[ key ]; - - } - - return data; - - } - - data.data = { attributes: {} }; - - var index = this.index; - - if ( index !== null ) { - - data.data.index = { - type: index.array.constructor.name, - array: Array.prototype.slice.call( index.array ) - }; - - } - - var attributes = this.attributes; - - for ( var key in attributes ) { - - var attribute = attributes[ key ]; - - var attributeData = attribute.toJSON(); - - if ( attribute.name !== '' ) attributeData.name = attribute.name; - - data.data.attributes[ key ] = attributeData; - - } - - var morphAttributes = {}; - var hasMorphAttributes = false; - - for ( var key in this.morphAttributes ) { - - var attributeArray = this.morphAttributes[ key ]; - - var array = []; - - for ( var i = 0, il = attributeArray.length; i < il; i ++ ) { - - var attribute = attributeArray[ i ]; - - var attributeData = attribute.toJSON(); - - if ( attribute.name !== '' ) attributeData.name = attribute.name; - - array.push( attributeData ); - - } - - if ( array.length > 0 ) { - - morphAttributes[ key ] = array; - - hasMorphAttributes = true; - - } - - } - - if ( hasMorphAttributes ) data.data.morphAttributes = morphAttributes; - - var groups = this.groups; - - if ( groups.length > 0 ) { - - data.data.groups = JSON.parse( JSON.stringify( groups ) ); - - } - - var boundingSphere = this.boundingSphere; - - if ( boundingSphere !== null ) { - - data.data.boundingSphere = { - center: boundingSphere.center.toArray(), - radius: boundingSphere.radius - }; - - } - - return data; - - }, - - clone: function () { - - /* - // Handle primitives - - var parameters = this.parameters; - - if ( parameters !== undefined ) { - - var values = []; - - for ( var key in parameters ) { - - values.push( parameters[ key ] ); - - } - - var geometry = Object.create( this.constructor.prototype ); - this.constructor.apply( geometry, values ); - return geometry; - - } - - return new this.constructor().copy( this ); - */ - - return new BufferGeometry().copy( this ); - - }, - - copy: function ( source ) { - - var name, i, l; - - // reset - - this.index = null; - this.attributes = {}; - this.morphAttributes = {}; - this.groups = []; - this.boundingBox = null; - this.boundingSphere = null; - - // name - - this.name = source.name; - - // index - - var index = source.index; - - if ( index !== null ) { - - this.setIndex( index.clone() ); - - } - - // attributes - - var attributes = source.attributes; - - for ( name in attributes ) { - - var attribute = attributes[ name ]; - this.addAttribute( name, attribute.clone() ); - - } - - // morph attributes - - var morphAttributes = source.morphAttributes; - - for ( name in morphAttributes ) { - - var array = []; - var morphAttribute = morphAttributes[ name ]; // morphAttribute: array of Float32BufferAttributes - - for ( i = 0, l = morphAttribute.length; i < l; i ++ ) { - - array.push( morphAttribute[ i ].clone() ); - - } - - this.morphAttributes[ name ] = array; - - } - - // groups - - var groups = source.groups; - - for ( i = 0, l = groups.length; i < l; i ++ ) { - - var group = groups[ i ]; - this.addGroup( group.start, group.count, group.materialIndex ); - - } - - // bounding box - - var boundingBox = source.boundingBox; - - if ( boundingBox !== null ) { - - this.boundingBox = boundingBox.clone(); - - } - - // bounding sphere - - var boundingSphere = source.boundingSphere; - - if ( boundingSphere !== null ) { - - this.boundingSphere = boundingSphere.clone(); - - } - - // draw range - - this.drawRange.start = source.drawRange.start; - this.drawRange.count = source.drawRange.count; - - // user data - - this.userData = source.userData; - - return this; - - }, - - dispose: function () { - - this.dispatchEvent( { type: 'dispose' } ); - - } - - } ); - - /** - * @author mrdoob / http://mrdoob.com/ - * @author alteredq / http://alteredqualia.com/ - * @author mikael emtinger / http://gomo.se/ - * @author jonobr1 / http://jonobr1.com/ - */ - - var _inverseMatrix = new Matrix4(); - var _ray = new Ray(); - var _sphere = new Sphere(); - - var _vA = new Vector3(); - var _vB = new Vector3(); - var _vC = new Vector3(); - - var _tempA = new Vector3(); - var _tempB = new Vector3(); - var _tempC = new Vector3(); - - var _morphA = new Vector3(); - var _morphB = new Vector3(); - var _morphC = new Vector3(); - - var _uvA = new Vector2(); - var _uvB = new Vector2(); - var _uvC = new Vector2(); - - var _intersectionPoint = new Vector3(); - var _intersectionPointWorld = new Vector3(); - - function Mesh( geometry, material ) { - - Object3D.call( this ); - - this.type = 'Mesh'; - - this.geometry = geometry !== undefined ? geometry : new BufferGeometry(); - this.material = material !== undefined ? material : new MeshBasicMaterial( { color: Math.random() * 0xffffff } ); - - this.drawMode = TrianglesDrawMode; - - this.updateMorphTargets(); - - } - - Mesh.prototype = Object.assign( Object.create( Object3D.prototype ), { - - constructor: Mesh, - - isMesh: true, - - setDrawMode: function ( value ) { - - this.drawMode = value; - - }, - - copy: function ( source ) { - - Object3D.prototype.copy.call( this, source ); - - this.drawMode = source.drawMode; - - if ( source.morphTargetInfluences !== undefined ) { - - this.morphTargetInfluences = source.morphTargetInfluences.slice(); - - } - - if ( source.morphTargetDictionary !== undefined ) { - - this.morphTargetDictionary = Object.assign( {}, source.morphTargetDictionary ); - - } - - return this; - - }, - - updateMorphTargets: function () { - - var geometry = this.geometry; - var m, ml, name; - - if ( geometry.isBufferGeometry ) { - - var morphAttributes = geometry.morphAttributes; - var keys = Object.keys( morphAttributes ); - - if ( keys.length > 0 ) { - - var morphAttribute = morphAttributes[ keys[ 0 ] ]; - - if ( morphAttribute !== undefined ) { - - this.morphTargetInfluences = []; - this.morphTargetDictionary = {}; - - for ( m = 0, ml = morphAttribute.length; m < ml; m ++ ) { - - name = morphAttribute[ m ].name || String( m ); - - this.morphTargetInfluences.push( 0 ); - this.morphTargetDictionary[ name ] = m; - - } - - } - - } - - } else { - - var morphTargets = geometry.morphTargets; - - if ( morphTargets !== undefined && morphTargets.length > 0 ) { - - console.error( 'THREE.Mesh.updateMorphTargets() no longer supports THREE.Geometry. Use THREE.BufferGeometry instead.' ); - - } - - } - - }, - - raycast: function ( raycaster, intersects ) { - - var geometry = this.geometry; - var material = this.material; - var matrixWorld = this.matrixWorld; - - if ( material === undefined ) return; - - // Checking boundingSphere distance to ray - - if ( geometry.boundingSphere === null ) geometry.computeBoundingSphere(); - - _sphere.copy( geometry.boundingSphere ); - _sphere.applyMatrix4( matrixWorld ); - - if ( raycaster.ray.intersectsSphere( _sphere ) === false ) return; - - // - - _inverseMatrix.getInverse( matrixWorld ); - _ray.copy( raycaster.ray ).applyMatrix4( _inverseMatrix ); - - // Check boundingBox before continuing - - if ( geometry.boundingBox !== null ) { - - if ( _ray.intersectsBox( geometry.boundingBox ) === false ) return; - - } - - var intersection; - - if ( geometry.isBufferGeometry ) { - - var a, b, c; - var index = geometry.index; - var position = geometry.attributes.position; - var morphPosition = geometry.morphAttributes.position; - var uv = geometry.attributes.uv; - var uv2 = geometry.attributes.uv2; - var groups = geometry.groups; - var drawRange = geometry.drawRange; - var i, j, il, jl; - var group, groupMaterial; - var start, end; - - if ( index !== null ) { - - // indexed buffer geometry - - if ( Array.isArray( material ) ) { - - for ( i = 0, il = groups.length; i < il; i ++ ) { - - group = groups[ i ]; - groupMaterial = material[ group.materialIndex ]; - - start = Math.max( group.start, drawRange.start ); - end = Math.min( ( group.start + group.count ), ( drawRange.start + drawRange.count ) ); - - for ( j = start, jl = end; j < jl; j += 3 ) { - - a = index.getX( j ); - b = index.getX( j + 1 ); - c = index.getX( j + 2 ); - - intersection = checkBufferGeometryIntersection( this, groupMaterial, raycaster, _ray, position, morphPosition, uv, uv2, a, b, c ); - - if ( intersection ) { - - intersection.faceIndex = Math.floor( j / 3 ); // triangle number in indexed buffer semantics - intersection.face.materialIndex = group.materialIndex; - intersects.push( intersection ); - - } - - } - - } - - } else { - - start = Math.max( 0, drawRange.start ); - end = Math.min( index.count, ( drawRange.start + drawRange.count ) ); - - for ( i = start, il = end; i < il; i += 3 ) { - - a = index.getX( i ); - b = index.getX( i + 1 ); - c = index.getX( i + 2 ); - - intersection = checkBufferGeometryIntersection( this, material, raycaster, _ray, position, morphPosition, uv, uv2, a, b, c ); - - if ( intersection ) { - - intersection.faceIndex = Math.floor( i / 3 ); // triangle number in indexed buffer semantics - intersects.push( intersection ); - - } - - } - - } - - } else if ( position !== undefined ) { - - // non-indexed buffer geometry - - if ( Array.isArray( material ) ) { - - for ( i = 0, il = groups.length; i < il; i ++ ) { - - group = groups[ i ]; - groupMaterial = material[ group.materialIndex ]; - - start = Math.max( group.start, drawRange.start ); - end = Math.min( ( group.start + group.count ), ( drawRange.start + drawRange.count ) ); - - for ( j = start, jl = end; j < jl; j += 3 ) { - - a = j; - b = j + 1; - c = j + 2; - - intersection = checkBufferGeometryIntersection( this, groupMaterial, raycaster, _ray, position, morphPosition, uv, uv2, a, b, c ); - - if ( intersection ) { - - intersection.faceIndex = Math.floor( j / 3 ); // triangle number in non-indexed buffer semantics - intersection.face.materialIndex = group.materialIndex; - intersects.push( intersection ); - - } - - } - - } - - } else { - - start = Math.max( 0, drawRange.start ); - end = Math.min( position.count, ( drawRange.start + drawRange.count ) ); - - for ( i = start, il = end; i < il; i += 3 ) { - - a = i; - b = i + 1; - c = i + 2; - - intersection = checkBufferGeometryIntersection( this, material, raycaster, _ray, position, morphPosition, uv, uv2, a, b, c ); - - if ( intersection ) { - - intersection.faceIndex = Math.floor( i / 3 ); // triangle number in non-indexed buffer semantics - intersects.push( intersection ); - - } - - } - - } - - } - - } else if ( geometry.isGeometry ) { - - var fvA, fvB, fvC; - var isMultiMaterial = Array.isArray( material ); - - var vertices = geometry.vertices; - var faces = geometry.faces; - var uvs; - - var faceVertexUvs = geometry.faceVertexUvs[ 0 ]; - if ( faceVertexUvs.length > 0 ) uvs = faceVertexUvs; - - for ( var f = 0, fl = faces.length; f < fl; f ++ ) { - - var face = faces[ f ]; - var faceMaterial = isMultiMaterial ? material[ face.materialIndex ] : material; - - if ( faceMaterial === undefined ) continue; - - fvA = vertices[ face.a ]; - fvB = vertices[ face.b ]; - fvC = vertices[ face.c ]; - - intersection = checkIntersection( this, faceMaterial, raycaster, _ray, fvA, fvB, fvC, _intersectionPoint ); - - if ( intersection ) { - - if ( uvs && uvs[ f ] ) { - - var uvs_f = uvs[ f ]; - _uvA.copy( uvs_f[ 0 ] ); - _uvB.copy( uvs_f[ 1 ] ); - _uvC.copy( uvs_f[ 2 ] ); - - intersection.uv = Triangle.getUV( _intersectionPoint, fvA, fvB, fvC, _uvA, _uvB, _uvC, new Vector2() ); - - } - - intersection.face = face; - intersection.faceIndex = f; - intersects.push( intersection ); - - } - - } - - } - - }, - - clone: function () { - - return new this.constructor( this.geometry, this.material ).copy( this ); - - } - - } ); - - function checkIntersection( object, material, raycaster, ray, pA, pB, pC, point ) { - - var intersect; - - if ( material.side === BackSide ) { - - intersect = ray.intersectTriangle( pC, pB, pA, true, point ); - - } else { - - intersect = ray.intersectTriangle( pA, pB, pC, material.side !== DoubleSide, point ); - - } - - if ( intersect === null ) return null; - - _intersectionPointWorld.copy( point ); - _intersectionPointWorld.applyMatrix4( object.matrixWorld ); - - var distance = raycaster.ray.origin.distanceTo( _intersectionPointWorld ); - - if ( distance < raycaster.near || distance > raycaster.far ) return null; - - return { - distance: distance, - point: _intersectionPointWorld.clone(), - object: object - }; - - } - - function checkBufferGeometryIntersection( object, material, raycaster, ray, position, morphPosition, uv, uv2, a, b, c ) { - - _vA.fromBufferAttribute( position, a ); - _vB.fromBufferAttribute( position, b ); - _vC.fromBufferAttribute( position, c ); - - var morphInfluences = object.morphTargetInfluences; - - if ( material.morphTargets && morphPosition && morphInfluences ) { - - _morphA.set( 0, 0, 0 ); - _morphB.set( 0, 0, 0 ); - _morphC.set( 0, 0, 0 ); - - for ( var i = 0, il = morphPosition.length; i < il; i ++ ) { - - var influence = morphInfluences[ i ]; - var morphAttribute = morphPosition[ i ]; - - if ( influence === 0 ) continue; - - _tempA.fromBufferAttribute( morphAttribute, a ); - _tempB.fromBufferAttribute( morphAttribute, b ); - _tempC.fromBufferAttribute( morphAttribute, c ); - - _morphA.addScaledVector( _tempA.sub( _vA ), influence ); - _morphB.addScaledVector( _tempB.sub( _vB ), influence ); - _morphC.addScaledVector( _tempC.sub( _vC ), influence ); - - } - - _vA.add( _morphA ); - _vB.add( _morphB ); - _vC.add( _morphC ); - - } - - var intersection = checkIntersection( object, material, raycaster, ray, _vA, _vB, _vC, _intersectionPoint ); - - if ( intersection ) { - - if ( uv ) { - - _uvA.fromBufferAttribute( uv, a ); - _uvB.fromBufferAttribute( uv, b ); - _uvC.fromBufferAttribute( uv, c ); - - intersection.uv = Triangle.getUV( _intersectionPoint, _vA, _vB, _vC, _uvA, _uvB, _uvC, new Vector2() ); - - } - - if ( uv2 ) { - - _uvA.fromBufferAttribute( uv2, a ); - _uvB.fromBufferAttribute( uv2, b ); - _uvC.fromBufferAttribute( uv2, c ); - - intersection.uv2 = Triangle.getUV( _intersectionPoint, _vA, _vB, _vC, _uvA, _uvB, _uvC, new Vector2() ); - - } - - var face = new Face3( a, b, c ); - Triangle.getNormal( _vA, _vB, _vC, face.normal ); - - intersection.face = face; - - } - - return intersection; - - } - - /** - * @author mrdoob / http://mrdoob.com/ - * @author kile / http://kile.stravaganza.org/ - * @author alteredq / http://alteredqualia.com/ - * @author mikael emtinger / http://gomo.se/ - * @author zz85 / http://www.lab4games.net/zz85/blog - * @author bhouston / http://clara.io - */ - - var _geometryId = 0; // Geometry uses even numbers as Id - var _m1$3 = new Matrix4(); - var _obj$1 = new Object3D(); - var _offset$1 = new Vector3(); - - function Geometry() { - - Object.defineProperty( this, 'id', { value: _geometryId += 2 } ); - - this.uuid = _Math.generateUUID(); - - this.name = ''; - this.type = 'Geometry'; - - this.vertices = []; - this.colors = []; - this.faces = []; - this.faceVertexUvs = [[]]; - - this.morphTargets = []; - this.morphNormals = []; - - this.skinWeights = []; - this.skinIndices = []; - - this.lineDistances = []; - - this.boundingBox = null; - this.boundingSphere = null; - - // update flags - - this.elementsNeedUpdate = false; - this.verticesNeedUpdate = false; - this.uvsNeedUpdate = false; - this.normalsNeedUpdate = false; - this.colorsNeedUpdate = false; - this.lineDistancesNeedUpdate = false; - this.groupsNeedUpdate = false; - - } - - Geometry.prototype = Object.assign( Object.create( EventDispatcher.prototype ), { - - constructor: Geometry, - - isGeometry: true, - - applyMatrix: function ( matrix ) { - - var normalMatrix = new Matrix3().getNormalMatrix( matrix ); - - for ( var i = 0, il = this.vertices.length; i < il; i ++ ) { - - var vertex = this.vertices[ i ]; - vertex.applyMatrix4( matrix ); - - } - - for ( var i = 0, il = this.faces.length; i < il; i ++ ) { - - var face = this.faces[ i ]; - face.normal.applyMatrix3( normalMatrix ).normalize(); - - for ( var j = 0, jl = face.vertexNormals.length; j < jl; j ++ ) { - - face.vertexNormals[ j ].applyMatrix3( normalMatrix ).normalize(); - - } - - } - - if ( this.boundingBox !== null ) { - - this.computeBoundingBox(); - - } - - if ( this.boundingSphere !== null ) { - - this.computeBoundingSphere(); - - } - - this.verticesNeedUpdate = true; - this.normalsNeedUpdate = true; - - return this; - - }, - - rotateX: function ( angle ) { - - // rotate geometry around world x-axis - - _m1$3.makeRotationX( angle ); - - this.applyMatrix( _m1$3 ); - - return this; - - }, - - rotateY: function ( angle ) { - - // rotate geometry around world y-axis - - _m1$3.makeRotationY( angle ); - - this.applyMatrix( _m1$3 ); - - return this; - - }, - - rotateZ: function ( angle ) { - - // rotate geometry around world z-axis - - _m1$3.makeRotationZ( angle ); - - this.applyMatrix( _m1$3 ); - - return this; - - }, - - translate: function ( x, y, z ) { - - // translate geometry - - _m1$3.makeTranslation( x, y, z ); - - this.applyMatrix( _m1$3 ); - - return this; - - }, - - scale: function ( x, y, z ) { - - // scale geometry - - _m1$3.makeScale( x, y, z ); - - this.applyMatrix( _m1$3 ); - - return this; - - }, - - lookAt: function ( vector ) { - - _obj$1.lookAt( vector ); - - _obj$1.updateMatrix(); - - this.applyMatrix( _obj$1.matrix ); - - return this; - - }, - - fromBufferGeometry: function ( geometry ) { - - var scope = this; - - var indices = geometry.index !== null ? geometry.index.array : undefined; - var attributes = geometry.attributes; - - var positions = attributes.position.array; - var normals = attributes.normal !== undefined ? attributes.normal.array : undefined; - var colors = attributes.color !== undefined ? attributes.color.array : undefined; - var uvs = attributes.uv !== undefined ? attributes.uv.array : undefined; - var uvs2 = attributes.uv2 !== undefined ? attributes.uv2.array : undefined; - - if ( uvs2 !== undefined ) this.faceVertexUvs[ 1 ] = []; - - for ( var i = 0; i < positions.length; i += 3 ) { - - scope.vertices.push( new Vector3().fromArray( positions, i ) ); - - if ( colors !== undefined ) { - - scope.colors.push( new Color().fromArray( colors, i ) ); - - } - - } - - function addFace( a, b, c, materialIndex ) { - - var vertexColors = ( colors === undefined ) ? [] : [ - scope.colors[ a ].clone(), - scope.colors[ b ].clone(), - scope.colors[ c ].clone() ]; - - var vertexNormals = ( normals === undefined ) ? [] : [ - new Vector3().fromArray( normals, a * 3 ), - new Vector3().fromArray( normals, b * 3 ), - new Vector3().fromArray( normals, c * 3 ) - ]; - - var face = new Face3( a, b, c, vertexNormals, vertexColors, materialIndex ); - - scope.faces.push( face ); - - if ( uvs !== undefined ) { - - scope.faceVertexUvs[ 0 ].push( [ - new Vector2().fromArray( uvs, a * 2 ), - new Vector2().fromArray( uvs, b * 2 ), - new Vector2().fromArray( uvs, c * 2 ) - ] ); - - } - - if ( uvs2 !== undefined ) { - - scope.faceVertexUvs[ 1 ].push( [ - new Vector2().fromArray( uvs2, a * 2 ), - new Vector2().fromArray( uvs2, b * 2 ), - new Vector2().fromArray( uvs2, c * 2 ) - ] ); - - } - - } - - var groups = geometry.groups; - - if ( groups.length > 0 ) { - - for ( var i = 0; i < groups.length; i ++ ) { - - var group = groups[ i ]; - - var start = group.start; - var count = group.count; - - for ( var j = start, jl = start + count; j < jl; j += 3 ) { - - if ( indices !== undefined ) { - - addFace( indices[ j ], indices[ j + 1 ], indices[ j + 2 ], group.materialIndex ); - - } else { - - addFace( j, j + 1, j + 2, group.materialIndex ); - - } - - } - - } - - } else { - - if ( indices !== undefined ) { - - for ( var i = 0; i < indices.length; i += 3 ) { - - addFace( indices[ i ], indices[ i + 1 ], indices[ i + 2 ] ); - - } - - } else { - - for ( var i = 0; i < positions.length / 3; i += 3 ) { - - addFace( i, i + 1, i + 2 ); - - } - - } - - } - - this.computeFaceNormals(); - - if ( geometry.boundingBox !== null ) { - - this.boundingBox = geometry.boundingBox.clone(); - - } - - if ( geometry.boundingSphere !== null ) { - - this.boundingSphere = geometry.boundingSphere.clone(); - - } - - return this; - - }, - - center: function () { - - this.computeBoundingBox(); - - this.boundingBox.getCenter( _offset$1 ).negate(); - - this.translate( _offset$1.x, _offset$1.y, _offset$1.z ); - - return this; - - }, - - normalize: function () { - - this.computeBoundingSphere(); - - var center = this.boundingSphere.center; - var radius = this.boundingSphere.radius; - - var s = radius === 0 ? 1 : 1.0 / radius; - - var matrix = new Matrix4(); - matrix.set( - s, 0, 0, - s * center.x, - 0, s, 0, - s * center.y, - 0, 0, s, - s * center.z, - 0, 0, 0, 1 - ); - - this.applyMatrix( matrix ); - - return this; - - }, - - computeFaceNormals: function () { - - var cb = new Vector3(), ab = new Vector3(); - - for ( var f = 0, fl = this.faces.length; f < fl; f ++ ) { - - var face = this.faces[ f ]; - - var vA = this.vertices[ face.a ]; - var vB = this.vertices[ face.b ]; - var vC = this.vertices[ face.c ]; - - cb.subVectors( vC, vB ); - ab.subVectors( vA, vB ); - cb.cross( ab ); - - cb.normalize(); - - face.normal.copy( cb ); - - } - - }, - - computeVertexNormals: function ( areaWeighted ) { - - if ( areaWeighted === undefined ) areaWeighted = true; - - var v, vl, f, fl, face, vertices; - - vertices = new Array( this.vertices.length ); - - for ( v = 0, vl = this.vertices.length; v < vl; v ++ ) { - - vertices[ v ] = new Vector3(); - - } - - if ( areaWeighted ) { - - // vertex normals weighted by triangle areas - // http://www.iquilezles.org/www/articles/normals/normals.htm - - var vA, vB, vC; - var cb = new Vector3(), ab = new Vector3(); - - for ( f = 0, fl = this.faces.length; f < fl; f ++ ) { - - face = this.faces[ f ]; - - vA = this.vertices[ face.a ]; - vB = this.vertices[ face.b ]; - vC = this.vertices[ face.c ]; - - cb.subVectors( vC, vB ); - ab.subVectors( vA, vB ); - cb.cross( ab ); - - vertices[ face.a ].add( cb ); - vertices[ face.b ].add( cb ); - vertices[ face.c ].add( cb ); - - } - - } else { - - this.computeFaceNormals(); - - for ( f = 0, fl = this.faces.length; f < fl; f ++ ) { - - face = this.faces[ f ]; - - vertices[ face.a ].add( face.normal ); - vertices[ face.b ].add( face.normal ); - vertices[ face.c ].add( face.normal ); - - } - - } - - for ( v = 0, vl = this.vertices.length; v < vl; v ++ ) { - - vertices[ v ].normalize(); - - } - - for ( f = 0, fl = this.faces.length; f < fl; f ++ ) { - - face = this.faces[ f ]; - - var vertexNormals = face.vertexNormals; - - if ( vertexNormals.length === 3 ) { - - vertexNormals[ 0 ].copy( vertices[ face.a ] ); - vertexNormals[ 1 ].copy( vertices[ face.b ] ); - vertexNormals[ 2 ].copy( vertices[ face.c ] ); - - } else { - - vertexNormals[ 0 ] = vertices[ face.a ].clone(); - vertexNormals[ 1 ] = vertices[ face.b ].clone(); - vertexNormals[ 2 ] = vertices[ face.c ].clone(); - - } - - } - - if ( this.faces.length > 0 ) { - - this.normalsNeedUpdate = true; - - } - - }, - - computeFlatVertexNormals: function () { - - var f, fl, face; - - this.computeFaceNormals(); - - for ( f = 0, fl = this.faces.length; f < fl; f ++ ) { - - face = this.faces[ f ]; - - var vertexNormals = face.vertexNormals; - - if ( vertexNormals.length === 3 ) { - - vertexNormals[ 0 ].copy( face.normal ); - vertexNormals[ 1 ].copy( face.normal ); - vertexNormals[ 2 ].copy( face.normal ); - - } else { - - vertexNormals[ 0 ] = face.normal.clone(); - vertexNormals[ 1 ] = face.normal.clone(); - vertexNormals[ 2 ] = face.normal.clone(); - - } - - } - - if ( this.faces.length > 0 ) { - - this.normalsNeedUpdate = true; - - } - - }, - - computeMorphNormals: function () { - - var i, il, f, fl, face; - - // save original normals - // - create temp variables on first access - // otherwise just copy (for faster repeated calls) - - for ( f = 0, fl = this.faces.length; f < fl; f ++ ) { - - face = this.faces[ f ]; - - if ( ! face.__originalFaceNormal ) { - - face.__originalFaceNormal = face.normal.clone(); - - } else { - - face.__originalFaceNormal.copy( face.normal ); - - } - - if ( ! face.__originalVertexNormals ) face.__originalVertexNormals = []; - - for ( i = 0, il = face.vertexNormals.length; i < il; i ++ ) { - - if ( ! face.__originalVertexNormals[ i ] ) { - - face.__originalVertexNormals[ i ] = face.vertexNormals[ i ].clone(); - - } else { - - face.__originalVertexNormals[ i ].copy( face.vertexNormals[ i ] ); - - } - - } - - } - - // use temp geometry to compute face and vertex normals for each morph - - var tmpGeo = new Geometry(); - tmpGeo.faces = this.faces; - - for ( i = 0, il = this.morphTargets.length; i < il; i ++ ) { - - // create on first access - - if ( ! this.morphNormals[ i ] ) { - - this.morphNormals[ i ] = {}; - this.morphNormals[ i ].faceNormals = []; - this.morphNormals[ i ].vertexNormals = []; - - var dstNormalsFace = this.morphNormals[ i ].faceNormals; - var dstNormalsVertex = this.morphNormals[ i ].vertexNormals; - - var faceNormal, vertexNormals; - - for ( f = 0, fl = this.faces.length; f < fl; f ++ ) { - - faceNormal = new Vector3(); - vertexNormals = { a: new Vector3(), b: new Vector3(), c: new Vector3() }; - - dstNormalsFace.push( faceNormal ); - dstNormalsVertex.push( vertexNormals ); - - } - - } - - var morphNormals = this.morphNormals[ i ]; - - // set vertices to morph target - - tmpGeo.vertices = this.morphTargets[ i ].vertices; - - // compute morph normals - - tmpGeo.computeFaceNormals(); - tmpGeo.computeVertexNormals(); - - // store morph normals - - var faceNormal, vertexNormals; - - for ( f = 0, fl = this.faces.length; f < fl; f ++ ) { - - face = this.faces[ f ]; - - faceNormal = morphNormals.faceNormals[ f ]; - vertexNormals = morphNormals.vertexNormals[ f ]; - - faceNormal.copy( face.normal ); - - vertexNormals.a.copy( face.vertexNormals[ 0 ] ); - vertexNormals.b.copy( face.vertexNormals[ 1 ] ); - vertexNormals.c.copy( face.vertexNormals[ 2 ] ); - - } - - } - - // restore original normals - - for ( f = 0, fl = this.faces.length; f < fl; f ++ ) { - - face = this.faces[ f ]; - - face.normal = face.__originalFaceNormal; - face.vertexNormals = face.__originalVertexNormals; - - } - - }, - - computeBoundingBox: function () { - - if ( this.boundingBox === null ) { - - this.boundingBox = new Box3(); - - } - - this.boundingBox.setFromPoints( this.vertices ); - - }, - - computeBoundingSphere: function () { - - if ( this.boundingSphere === null ) { - - this.boundingSphere = new Sphere(); - - } - - this.boundingSphere.setFromPoints( this.vertices ); - - }, - - merge: function ( geometry, matrix, materialIndexOffset ) { - - if ( ! ( geometry && geometry.isGeometry ) ) { - - console.error( 'THREE.Geometry.merge(): geometry not an instance of THREE.Geometry.', geometry ); - return; - - } - - var normalMatrix, - vertexOffset = this.vertices.length, - vertices1 = this.vertices, - vertices2 = geometry.vertices, - faces1 = this.faces, - faces2 = geometry.faces, - colors1 = this.colors, - colors2 = geometry.colors; - - if ( materialIndexOffset === undefined ) materialIndexOffset = 0; - - if ( matrix !== undefined ) { - - normalMatrix = new Matrix3().getNormalMatrix( matrix ); - - } - - // vertices - - for ( var i = 0, il = vertices2.length; i < il; i ++ ) { - - var vertex = vertices2[ i ]; - - var vertexCopy = vertex.clone(); - - if ( matrix !== undefined ) vertexCopy.applyMatrix4( matrix ); - - vertices1.push( vertexCopy ); - - } - - // colors - - for ( var i = 0, il = colors2.length; i < il; i ++ ) { - - colors1.push( colors2[ i ].clone() ); - - } - - // faces - - for ( i = 0, il = faces2.length; i < il; i ++ ) { - - var face = faces2[ i ], faceCopy, normal, color, - faceVertexNormals = face.vertexNormals, - faceVertexColors = face.vertexColors; - - faceCopy = new Face3( face.a + vertexOffset, face.b + vertexOffset, face.c + vertexOffset ); - faceCopy.normal.copy( face.normal ); - - if ( normalMatrix !== undefined ) { - - faceCopy.normal.applyMatrix3( normalMatrix ).normalize(); - - } - - for ( var j = 0, jl = faceVertexNormals.length; j < jl; j ++ ) { - - normal = faceVertexNormals[ j ].clone(); - - if ( normalMatrix !== undefined ) { - - normal.applyMatrix3( normalMatrix ).normalize(); - - } - - faceCopy.vertexNormals.push( normal ); - - } - - faceCopy.color.copy( face.color ); - - for ( var j = 0, jl = faceVertexColors.length; j < jl; j ++ ) { - - color = faceVertexColors[ j ]; - faceCopy.vertexColors.push( color.clone() ); - - } - - faceCopy.materialIndex = face.materialIndex + materialIndexOffset; - - faces1.push( faceCopy ); - - } - - // uvs - - for ( var i = 0, il = geometry.faceVertexUvs.length; i < il; i ++ ) { - - var faceVertexUvs2 = geometry.faceVertexUvs[ i ]; - - if ( this.faceVertexUvs[ i ] === undefined ) this.faceVertexUvs[ i ] = []; - - for ( var j = 0, jl = faceVertexUvs2.length; j < jl; j ++ ) { - - var uvs2 = faceVertexUvs2[ j ], uvsCopy = []; - - for ( var k = 0, kl = uvs2.length; k < kl; k ++ ) { - - uvsCopy.push( uvs2[ k ].clone() ); - - } - - this.faceVertexUvs[ i ].push( uvsCopy ); - - } - - } - - }, - - mergeMesh: function ( mesh ) { - - if ( ! ( mesh && mesh.isMesh ) ) { - - console.error( 'THREE.Geometry.mergeMesh(): mesh not an instance of THREE.Mesh.', mesh ); - return; - - } - - if ( mesh.matrixAutoUpdate ) mesh.updateMatrix(); - - this.merge( mesh.geometry, mesh.matrix ); - - }, - - /* - * Checks for duplicate vertices with hashmap. - * Duplicated vertices are removed - * and faces' vertices are updated. - */ - - mergeVertices: function () { - - var verticesMap = {}; // Hashmap for looking up vertices by position coordinates (and making sure they are unique) - var unique = [], changes = []; - - var v, key; - var precisionPoints = 4; // number of decimal points, e.g. 4 for epsilon of 0.0001 - var precision = Math.pow( 10, precisionPoints ); - var i, il, face; - var indices, j, jl; - - for ( i = 0, il = this.vertices.length; i < il; i ++ ) { - - v = this.vertices[ i ]; - key = Math.round( v.x * precision ) + '_' + Math.round( v.y * precision ) + '_' + Math.round( v.z * precision ); - - if ( verticesMap[ key ] === undefined ) { - - verticesMap[ key ] = i; - unique.push( this.vertices[ i ] ); - changes[ i ] = unique.length - 1; - - } else { - - //console.log('Duplicate vertex found. ', i, ' could be using ', verticesMap[key]); - changes[ i ] = changes[ verticesMap[ key ] ]; - - } - - } - - - // if faces are completely degenerate after merging vertices, we - // have to remove them from the geometry. - var faceIndicesToRemove = []; - - for ( i = 0, il = this.faces.length; i < il; i ++ ) { - - face = this.faces[ i ]; - - face.a = changes[ face.a ]; - face.b = changes[ face.b ]; - face.c = changes[ face.c ]; - - indices = [ face.a, face.b, face.c ]; - - // if any duplicate vertices are found in a Face3 - // we have to remove the face as nothing can be saved - for ( var n = 0; n < 3; n ++ ) { - - if ( indices[ n ] === indices[ ( n + 1 ) % 3 ] ) { - - faceIndicesToRemove.push( i ); - break; - - } - - } - - } - - for ( i = faceIndicesToRemove.length - 1; i >= 0; i -- ) { - - var idx = faceIndicesToRemove[ i ]; - - this.faces.splice( idx, 1 ); - - for ( j = 0, jl = this.faceVertexUvs.length; j < jl; j ++ ) { - - this.faceVertexUvs[ j ].splice( idx, 1 ); - - } - - } - - // Use unique set of vertices - - var diff = this.vertices.length - unique.length; - this.vertices = unique; - return diff; - - }, - - setFromPoints: function ( points ) { - - this.vertices = []; - - for ( var i = 0, l = points.length; i < l; i ++ ) { - - var point = points[ i ]; - this.vertices.push( new Vector3( point.x, point.y, point.z || 0 ) ); - - } - - return this; - - }, - - sortFacesByMaterialIndex: function () { - - var faces = this.faces; - var length = faces.length; - - // tag faces - - for ( var i = 0; i < length; i ++ ) { - - faces[ i ]._id = i; - - } - - // sort faces - - function materialIndexSort( a, b ) { - - return a.materialIndex - b.materialIndex; - - } - - faces.sort( materialIndexSort ); - - // sort uvs - - var uvs1 = this.faceVertexUvs[ 0 ]; - var uvs2 = this.faceVertexUvs[ 1 ]; - - var newUvs1, newUvs2; - - if ( uvs1 && uvs1.length === length ) newUvs1 = []; - if ( uvs2 && uvs2.length === length ) newUvs2 = []; - - for ( var i = 0; i < length; i ++ ) { - - var id = faces[ i ]._id; - - if ( newUvs1 ) newUvs1.push( uvs1[ id ] ); - if ( newUvs2 ) newUvs2.push( uvs2[ id ] ); - - } - - if ( newUvs1 ) this.faceVertexUvs[ 0 ] = newUvs1; - if ( newUvs2 ) this.faceVertexUvs[ 1 ] = newUvs2; - - }, - - toJSON: function () { - - var data = { - metadata: { - version: 4.5, - type: 'Geometry', - generator: 'Geometry.toJSON' - } - }; - - // standard Geometry serialization - - data.uuid = this.uuid; - data.type = this.type; - if ( this.name !== '' ) data.name = this.name; - - if ( this.parameters !== undefined ) { - - var parameters = this.parameters; - - for ( var key in parameters ) { - - if ( parameters[ key ] !== undefined ) data[ key ] = parameters[ key ]; - - } - - return data; - - } - - var vertices = []; - - for ( var i = 0; i < this.vertices.length; i ++ ) { - - var vertex = this.vertices[ i ]; - vertices.push( vertex.x, vertex.y, vertex.z ); - - } - - var faces = []; - var normals = []; - var normalsHash = {}; - var colors = []; - var colorsHash = {}; - var uvs = []; - var uvsHash = {}; - - for ( var i = 0; i < this.faces.length; i ++ ) { - - var face = this.faces[ i ]; - - var hasMaterial = true; - var hasFaceUv = false; // deprecated - var hasFaceVertexUv = this.faceVertexUvs[ 0 ][ i ] !== undefined; - var hasFaceNormal = face.normal.length() > 0; - var hasFaceVertexNormal = face.vertexNormals.length > 0; - var hasFaceColor = face.color.r !== 1 || face.color.g !== 1 || face.color.b !== 1; - var hasFaceVertexColor = face.vertexColors.length > 0; - - var faceType = 0; - - faceType = setBit( faceType, 0, 0 ); // isQuad - faceType = setBit( faceType, 1, hasMaterial ); - faceType = setBit( faceType, 2, hasFaceUv ); - faceType = setBit( faceType, 3, hasFaceVertexUv ); - faceType = setBit( faceType, 4, hasFaceNormal ); - faceType = setBit( faceType, 5, hasFaceVertexNormal ); - faceType = setBit( faceType, 6, hasFaceColor ); - faceType = setBit( faceType, 7, hasFaceVertexColor ); - - faces.push( faceType ); - faces.push( face.a, face.b, face.c ); - faces.push( face.materialIndex ); - - if ( hasFaceVertexUv ) { - - var faceVertexUvs = this.faceVertexUvs[ 0 ][ i ]; - - faces.push( - getUvIndex( faceVertexUvs[ 0 ] ), - getUvIndex( faceVertexUvs[ 1 ] ), - getUvIndex( faceVertexUvs[ 2 ] ) - ); - - } - - if ( hasFaceNormal ) { - - faces.push( getNormalIndex( face.normal ) ); - - } - - if ( hasFaceVertexNormal ) { - - var vertexNormals = face.vertexNormals; - - faces.push( - getNormalIndex( vertexNormals[ 0 ] ), - getNormalIndex( vertexNormals[ 1 ] ), - getNormalIndex( vertexNormals[ 2 ] ) - ); - - } - - if ( hasFaceColor ) { - - faces.push( getColorIndex( face.color ) ); - - } - - if ( hasFaceVertexColor ) { - - var vertexColors = face.vertexColors; - - faces.push( - getColorIndex( vertexColors[ 0 ] ), - getColorIndex( vertexColors[ 1 ] ), - getColorIndex( vertexColors[ 2 ] ) - ); - - } - - } - - function setBit( value, position, enabled ) { - - return enabled ? value | ( 1 << position ) : value & ( ~ ( 1 << position ) ); - - } - - function getNormalIndex( normal ) { - - var hash = normal.x.toString() + normal.y.toString() + normal.z.toString(); - - if ( normalsHash[ hash ] !== undefined ) { - - return normalsHash[ hash ]; - - } - - normalsHash[ hash ] = normals.length / 3; - normals.push( normal.x, normal.y, normal.z ); - - return normalsHash[ hash ]; - - } - - function getColorIndex( color ) { - - var hash = color.r.toString() + color.g.toString() + color.b.toString(); - - if ( colorsHash[ hash ] !== undefined ) { - - return colorsHash[ hash ]; - - } - - colorsHash[ hash ] = colors.length; - colors.push( color.getHex() ); - - return colorsHash[ hash ]; - - } - - function getUvIndex( uv ) { - - var hash = uv.x.toString() + uv.y.toString(); - - if ( uvsHash[ hash ] !== undefined ) { - - return uvsHash[ hash ]; - - } - - uvsHash[ hash ] = uvs.length / 2; - uvs.push( uv.x, uv.y ); - - return uvsHash[ hash ]; - - } - - data.data = {}; - - data.data.vertices = vertices; - data.data.normals = normals; - if ( colors.length > 0 ) data.data.colors = colors; - if ( uvs.length > 0 ) data.data.uvs = [ uvs ]; // temporal backward compatibility - data.data.faces = faces; - - return data; - - }, - - clone: function () { - - /* - // Handle primitives - - var parameters = this.parameters; - - if ( parameters !== undefined ) { - - var values = []; - - for ( var key in parameters ) { - - values.push( parameters[ key ] ); - - } - - var geometry = Object.create( this.constructor.prototype ); - this.constructor.apply( geometry, values ); - return geometry; - - } - - return new this.constructor().copy( this ); - */ - - return new Geometry().copy( this ); - - }, - - copy: function ( source ) { - - var i, il, j, jl, k, kl; - - // reset - - this.vertices = []; - this.colors = []; - this.faces = []; - this.faceVertexUvs = [[]]; - this.morphTargets = []; - this.morphNormals = []; - this.skinWeights = []; - this.skinIndices = []; - this.lineDistances = []; - this.boundingBox = null; - this.boundingSphere = null; - - // name - - this.name = source.name; - - // vertices - - var vertices = source.vertices; - - for ( i = 0, il = vertices.length; i < il; i ++ ) { - - this.vertices.push( vertices[ i ].clone() ); - - } - - // colors - - var colors = source.colors; - - for ( i = 0, il = colors.length; i < il; i ++ ) { - - this.colors.push( colors[ i ].clone() ); - - } - - // faces - - var faces = source.faces; - - for ( i = 0, il = faces.length; i < il; i ++ ) { - - this.faces.push( faces[ i ].clone() ); - - } - - // face vertex uvs - - for ( i = 0, il = source.faceVertexUvs.length; i < il; i ++ ) { - - var faceVertexUvs = source.faceVertexUvs[ i ]; - - if ( this.faceVertexUvs[ i ] === undefined ) { - - this.faceVertexUvs[ i ] = []; - - } - - for ( j = 0, jl = faceVertexUvs.length; j < jl; j ++ ) { - - var uvs = faceVertexUvs[ j ], uvsCopy = []; - - for ( k = 0, kl = uvs.length; k < kl; k ++ ) { - - var uv = uvs[ k ]; - - uvsCopy.push( uv.clone() ); - - } - - this.faceVertexUvs[ i ].push( uvsCopy ); - - } - - } - - // morph targets - - var morphTargets = source.morphTargets; - - for ( i = 0, il = morphTargets.length; i < il; i ++ ) { - - var morphTarget = {}; - morphTarget.name = morphTargets[ i ].name; - - // vertices - - if ( morphTargets[ i ].vertices !== undefined ) { - - morphTarget.vertices = []; - - for ( j = 0, jl = morphTargets[ i ].vertices.length; j < jl; j ++ ) { - - morphTarget.vertices.push( morphTargets[ i ].vertices[ j ].clone() ); - - } - - } - - // normals - - if ( morphTargets[ i ].normals !== undefined ) { - - morphTarget.normals = []; - - for ( j = 0, jl = morphTargets[ i ].normals.length; j < jl; j ++ ) { - - morphTarget.normals.push( morphTargets[ i ].normals[ j ].clone() ); - - } - - } - - this.morphTargets.push( morphTarget ); - - } - - // morph normals - - var morphNormals = source.morphNormals; - - for ( i = 0, il = morphNormals.length; i < il; i ++ ) { - - var morphNormal = {}; - - // vertex normals - - if ( morphNormals[ i ].vertexNormals !== undefined ) { - - morphNormal.vertexNormals = []; - - for ( j = 0, jl = morphNormals[ i ].vertexNormals.length; j < jl; j ++ ) { - - var srcVertexNormal = morphNormals[ i ].vertexNormals[ j ]; - var destVertexNormal = {}; - - destVertexNormal.a = srcVertexNormal.a.clone(); - destVertexNormal.b = srcVertexNormal.b.clone(); - destVertexNormal.c = srcVertexNormal.c.clone(); - - morphNormal.vertexNormals.push( destVertexNormal ); - - } - - } - - // face normals - - if ( morphNormals[ i ].faceNormals !== undefined ) { - - morphNormal.faceNormals = []; - - for ( j = 0, jl = morphNormals[ i ].faceNormals.length; j < jl; j ++ ) { - - morphNormal.faceNormals.push( morphNormals[ i ].faceNormals[ j ].clone() ); - - } - - } - - this.morphNormals.push( morphNormal ); - - } - - // skin weights - - var skinWeights = source.skinWeights; - - for ( i = 0, il = skinWeights.length; i < il; i ++ ) { - - this.skinWeights.push( skinWeights[ i ].clone() ); - - } - - // skin indices - - var skinIndices = source.skinIndices; - - for ( i = 0, il = skinIndices.length; i < il; i ++ ) { - - this.skinIndices.push( skinIndices[ i ].clone() ); - - } - - // line distances - - var lineDistances = source.lineDistances; - - for ( i = 0, il = lineDistances.length; i < il; i ++ ) { - - this.lineDistances.push( lineDistances[ i ] ); - - } - - // bounding box - - var boundingBox = source.boundingBox; - - if ( boundingBox !== null ) { - - this.boundingBox = boundingBox.clone(); - - } - - // bounding sphere - - var boundingSphere = source.boundingSphere; - - if ( boundingSphere !== null ) { - - this.boundingSphere = boundingSphere.clone(); - - } - - // update flags - - this.elementsNeedUpdate = source.elementsNeedUpdate; - this.verticesNeedUpdate = source.verticesNeedUpdate; - this.uvsNeedUpdate = source.uvsNeedUpdate; - this.normalsNeedUpdate = source.normalsNeedUpdate; - this.colorsNeedUpdate = source.colorsNeedUpdate; - this.lineDistancesNeedUpdate = source.lineDistancesNeedUpdate; - this.groupsNeedUpdate = source.groupsNeedUpdate; - - return this; - - }, - - dispose: function () { - - this.dispatchEvent( { type: 'dispose' } ); - - } - - } ); - - /** - * @author mrdoob / http://mrdoob.com/ - * @author Mugen87 / https://github.com/Mugen87 - */ - - // BoxGeometry - - function BoxGeometry( width, height, depth, widthSegments, heightSegments, depthSegments ) { - - Geometry.call( this ); - - this.type = 'BoxGeometry'; - - this.parameters = { - width: width, - height: height, - depth: depth, - widthSegments: widthSegments, - heightSegments: heightSegments, - depthSegments: depthSegments - }; - - this.fromBufferGeometry( new BoxBufferGeometry( width, height, depth, widthSegments, heightSegments, depthSegments ) ); - this.mergeVertices(); - - } - - BoxGeometry.prototype = Object.create( Geometry.prototype ); - BoxGeometry.prototype.constructor = BoxGeometry; - - // BoxBufferGeometry - - function BoxBufferGeometry( width, height, depth, widthSegments, heightSegments, depthSegments ) { - - BufferGeometry.call( this ); - - this.type = 'BoxBufferGeometry'; - - this.parameters = { - width: width, - height: height, - depth: depth, - widthSegments: widthSegments, - heightSegments: heightSegments, - depthSegments: depthSegments - }; - - var scope = this; - - width = width || 1; - height = height || 1; - depth = depth || 1; - - // segments - - widthSegments = Math.floor( widthSegments ) || 1; - heightSegments = Math.floor( heightSegments ) || 1; - depthSegments = Math.floor( depthSegments ) || 1; - - // buffers - - var indices = []; - var vertices = []; - var normals = []; - var uvs = []; - - // helper variables - - var numberOfVertices = 0; - var groupStart = 0; - - // build each side of the box geometry - - buildPlane( 'z', 'y', 'x', - 1, - 1, depth, height, width, depthSegments, heightSegments, 0 ); // px - buildPlane( 'z', 'y', 'x', 1, - 1, depth, height, - width, depthSegments, heightSegments, 1 ); // nx - buildPlane( 'x', 'z', 'y', 1, 1, width, depth, height, widthSegments, depthSegments, 2 ); // py - buildPlane( 'x', 'z', 'y', 1, - 1, width, depth, - height, widthSegments, depthSegments, 3 ); // ny - buildPlane( 'x', 'y', 'z', 1, - 1, width, height, depth, widthSegments, heightSegments, 4 ); // pz - buildPlane( 'x', 'y', 'z', - 1, - 1, width, height, - depth, widthSegments, heightSegments, 5 ); // nz - - // build geometry - - this.setIndex( indices ); - this.addAttribute( 'position', new Float32BufferAttribute( vertices, 3 ) ); - this.addAttribute( 'normal', new Float32BufferAttribute( normals, 3 ) ); - this.addAttribute( 'uv', new Float32BufferAttribute( uvs, 2 ) ); - - function buildPlane( u, v, w, udir, vdir, width, height, depth, gridX, gridY, materialIndex ) { - - var segmentWidth = width / gridX; - var segmentHeight = height / gridY; - - var widthHalf = width / 2; - var heightHalf = height / 2; - var depthHalf = depth / 2; - - var gridX1 = gridX + 1; - var gridY1 = gridY + 1; - - var vertexCounter = 0; - var groupCount = 0; - - var ix, iy; - - var vector = new Vector3(); - - // generate vertices, normals and uvs - - for ( iy = 0; iy < gridY1; iy ++ ) { - - var y = iy * segmentHeight - heightHalf; - - for ( ix = 0; ix < gridX1; ix ++ ) { - - var x = ix * segmentWidth - widthHalf; - - // set values to correct vector component - - vector[ u ] = x * udir; - vector[ v ] = y * vdir; - vector[ w ] = depthHalf; - - // now apply vector to vertex buffer - - vertices.push( vector.x, vector.y, vector.z ); - - // set values to correct vector component - - vector[ u ] = 0; - vector[ v ] = 0; - vector[ w ] = depth > 0 ? 1 : - 1; - - // now apply vector to normal buffer - - normals.push( vector.x, vector.y, vector.z ); - - // uvs - - uvs.push( ix / gridX ); - uvs.push( 1 - ( iy / gridY ) ); - - // counters - - vertexCounter += 1; - - } - - } - - // indices - - // 1. you need three indices to draw a single face - // 2. a single segment consists of two faces - // 3. so we need to generate six (2*3) indices per segment - - for ( iy = 0; iy < gridY; iy ++ ) { - - for ( ix = 0; ix < gridX; ix ++ ) { - - var a = numberOfVertices + ix + gridX1 * iy; - var b = numberOfVertices + ix + gridX1 * ( iy + 1 ); - var c = numberOfVertices + ( ix + 1 ) + gridX1 * ( iy + 1 ); - var d = numberOfVertices + ( ix + 1 ) + gridX1 * iy; - - // faces - - indices.push( a, b, d ); - indices.push( b, c, d ); - - // increase counter - - groupCount += 6; - - } - - } - - // add a group to the geometry. this will ensure multi material support - - scope.addGroup( groupStart, groupCount, materialIndex ); - - // calculate new start value for groups - - groupStart += groupCount; - - // update total number of vertices - - numberOfVertices += vertexCounter; - - } - - } - - BoxBufferGeometry.prototype = Object.create( BufferGeometry.prototype ); - BoxBufferGeometry.prototype.constructor = BoxBufferGeometry; - - /** - * Uniform Utilities - */ - - function cloneUniforms( src ) { - - var dst = {}; - - for ( var u in src ) { - - dst[ u ] = {}; - - for ( var p in src[ u ] ) { - - var property = src[ u ][ p ]; - - if ( property && ( property.isColor || - property.isMatrix3 || property.isMatrix4 || - property.isVector2 || property.isVector3 || property.isVector4 || - property.isTexture ) ) { - - dst[ u ][ p ] = property.clone(); - - } else if ( Array.isArray( property ) ) { - - dst[ u ][ p ] = property.slice(); - - } else { - - dst[ u ][ p ] = property; - - } - - } - - } - - return dst; - - } - - function mergeUniforms( uniforms ) { - - var merged = {}; - - for ( var u = 0; u < uniforms.length; u ++ ) { - - var tmp = cloneUniforms( uniforms[ u ] ); - - for ( var p in tmp ) { - - merged[ p ] = tmp[ p ]; - - } - - } - - return merged; - - } - - // Legacy - - var UniformsUtils = { clone: cloneUniforms, merge: mergeUniforms }; - - var default_vertex = "void main() {\n\tgl_Position = projectionMatrix * modelViewMatrix * vec4( position, 1.0 );\n}"; - - var default_fragment = "void main() {\n\tgl_FragColor = vec4( 1.0, 0.0, 0.0, 1.0 );\n}"; - - /** - * @author alteredq / http://alteredqualia.com/ - * - * parameters = { - * defines: { "label" : "value" }, - * uniforms: { "parameter1": { value: 1.0 }, "parameter2": { value2: 2 } }, - * - * fragmentShader: , - * vertexShader: , - * - * wireframe: , - * wireframeLinewidth: , - * - * lights: , - * - * skinning: , - * morphTargets: , - * morphNormals: - * } - */ - - function ShaderMaterial( parameters ) { - - Material.call( this ); - - this.type = 'ShaderMaterial'; - - this.defines = {}; - this.uniforms = {}; - - this.vertexShader = default_vertex; - this.fragmentShader = default_fragment; - - this.linewidth = 1; - - this.wireframe = false; - this.wireframeLinewidth = 1; - - this.fog = false; // set to use scene fog - this.lights = false; // set to use scene lights - this.clipping = false; // set to use user-defined clipping planes - - this.skinning = false; // set to use skinning attribute streams - this.morphTargets = false; // set to use morph targets - this.morphNormals = false; // set to use morph normals - - this.extensions = { - derivatives: false, // set to use derivatives - fragDepth: false, // set to use fragment depth values - drawBuffers: false, // set to use draw buffers - shaderTextureLOD: false // set to use shader texture LOD - }; - - // When rendered geometry doesn't include these attributes but the material does, - // use these default values in WebGL. This avoids errors when buffer data is missing. - this.defaultAttributeValues = { - 'color': [ 1, 1, 1 ], - 'uv': [ 0, 0 ], - 'uv2': [ 0, 0 ] - }; - - this.index0AttributeName = undefined; - this.uniformsNeedUpdate = false; - - if ( parameters !== undefined ) { - - if ( parameters.attributes !== undefined ) { - - console.error( 'THREE.ShaderMaterial: attributes should now be defined in THREE.BufferGeometry instead.' ); - - } - - this.setValues( parameters ); - - } - - } - - ShaderMaterial.prototype = Object.create( Material.prototype ); - ShaderMaterial.prototype.constructor = ShaderMaterial; - - ShaderMaterial.prototype.isShaderMaterial = true; - - ShaderMaterial.prototype.copy = function ( source ) { - - Material.prototype.copy.call( this, source ); - - this.fragmentShader = source.fragmentShader; - this.vertexShader = source.vertexShader; - - this.uniforms = cloneUniforms( source.uniforms ); - - this.defines = Object.assign( {}, source.defines ); - - this.wireframe = source.wireframe; - this.wireframeLinewidth = source.wireframeLinewidth; - - this.lights = source.lights; - this.clipping = source.clipping; - - this.skinning = source.skinning; - - this.morphTargets = source.morphTargets; - this.morphNormals = source.morphNormals; - - this.extensions = source.extensions; - - return this; - - }; - - ShaderMaterial.prototype.toJSON = function ( meta ) { - - var data = Material.prototype.toJSON.call( this, meta ); - - data.uniforms = {}; - - for ( var name in this.uniforms ) { - - var uniform = this.uniforms[ name ]; - var value = uniform.value; - - if ( value && value.isTexture ) { - - data.uniforms[ name ] = { - type: 't', - value: value.toJSON( meta ).uuid - }; - - } else if ( value && value.isColor ) { - - data.uniforms[ name ] = { - type: 'c', - value: value.getHex() - }; - - } else if ( value && value.isVector2 ) { - - data.uniforms[ name ] = { - type: 'v2', - value: value.toArray() - }; - - } else if ( value && value.isVector3 ) { - - data.uniforms[ name ] = { - type: 'v3', - value: value.toArray() - }; - - } else if ( value && value.isVector4 ) { - - data.uniforms[ name ] = { - type: 'v4', - value: value.toArray() - }; - - } else if ( value && value.isMatrix3 ) { - - data.uniforms[ name ] = { - type: 'm3', - value: value.toArray() - }; - - } else if ( value && value.isMatrix4 ) { - - data.uniforms[ name ] = { - type: 'm4', - value: value.toArray() - }; - - } else { - - data.uniforms[ name ] = { - value: value - }; - - // note: the array variants v2v, v3v, v4v, m4v and tv are not supported so far - - } - - } - - if ( Object.keys( this.defines ).length > 0 ) data.defines = this.defines; - - data.vertexShader = this.vertexShader; - data.fragmentShader = this.fragmentShader; - - var extensions = {}; - - for ( var key in this.extensions ) { - - if ( this.extensions[ key ] === true ) extensions[ key ] = true; - - } - - if ( Object.keys( extensions ).length > 0 ) data.extensions = extensions; - - return data; - - }; - - /** - * @author mrdoob / http://mrdoob.com/ - * @author mikael emtinger / http://gomo.se/ - * @author WestLangley / http://github.com/WestLangley - */ - - function Camera() { - - Object3D.call( this ); - - this.type = 'Camera'; - - this.matrixWorldInverse = new Matrix4(); - - this.projectionMatrix = new Matrix4(); - this.projectionMatrixInverse = new Matrix4(); - - } - - Camera.prototype = Object.assign( Object.create( Object3D.prototype ), { - - constructor: Camera, - - isCamera: true, - - copy: function ( source, recursive ) { - - Object3D.prototype.copy.call( this, source, recursive ); - - this.matrixWorldInverse.copy( source.matrixWorldInverse ); - - this.projectionMatrix.copy( source.projectionMatrix ); - this.projectionMatrixInverse.copy( source.projectionMatrixInverse ); - - return this; - - }, - - getWorldDirection: function ( target ) { - - if ( target === undefined ) { - - console.warn( 'THREE.Camera: .getWorldDirection() target is now required' ); - target = new Vector3(); - - } - - this.updateMatrixWorld( true ); - - var e = this.matrixWorld.elements; - - return target.set( - e[ 8 ], - e[ 9 ], - e[ 10 ] ).normalize(); - - }, - - updateMatrixWorld: function ( force ) { - - Object3D.prototype.updateMatrixWorld.call( this, force ); - - this.matrixWorldInverse.getInverse( this.matrixWorld ); - - }, - - clone: function () { - - return new this.constructor().copy( this ); - - } - - } ); - - /** - * @author mrdoob / http://mrdoob.com/ - * @author greggman / http://games.greggman.com/ - * @author zz85 / http://www.lab4games.net/zz85/blog - * @author tschw - */ - - function PerspectiveCamera( fov, aspect, near, far ) { - - Camera.call( this ); - - this.type = 'PerspectiveCamera'; - - this.fov = fov !== undefined ? fov : 50; - this.zoom = 1; - - this.near = near !== undefined ? near : 0.1; - this.far = far !== undefined ? far : 2000; - this.focus = 10; - - this.aspect = aspect !== undefined ? aspect : 1; - this.view = null; - - this.filmGauge = 35; // width of the film (default in millimeters) - this.filmOffset = 0; // horizontal film offset (same unit as gauge) - - this.updateProjectionMatrix(); - - } - - PerspectiveCamera.prototype = Object.assign( Object.create( Camera.prototype ), { - - constructor: PerspectiveCamera, - - isPerspectiveCamera: true, - - copy: function ( source, recursive ) { - - Camera.prototype.copy.call( this, source, recursive ); - - this.fov = source.fov; - this.zoom = source.zoom; - - this.near = source.near; - this.far = source.far; - this.focus = source.focus; - - this.aspect = source.aspect; - this.view = source.view === null ? null : Object.assign( {}, source.view ); - - this.filmGauge = source.filmGauge; - this.filmOffset = source.filmOffset; - - return this; - - }, - - /** - * Sets the FOV by focal length in respect to the current .filmGauge. - * - * The default film gauge is 35, so that the focal length can be specified for - * a 35mm (full frame) camera. - * - * Values for focal length and film gauge must have the same unit. - */ - setFocalLength: function ( focalLength ) { - - // see http://www.bobatkins.com/photography/technical/field_of_view.html - var vExtentSlope = 0.5 * this.getFilmHeight() / focalLength; - - this.fov = _Math.RAD2DEG * 2 * Math.atan( vExtentSlope ); - this.updateProjectionMatrix(); - - }, - - /** - * Calculates the focal length from the current .fov and .filmGauge. - */ - getFocalLength: function () { - - var vExtentSlope = Math.tan( _Math.DEG2RAD * 0.5 * this.fov ); - - return 0.5 * this.getFilmHeight() / vExtentSlope; - - }, - - getEffectiveFOV: function () { - - return _Math.RAD2DEG * 2 * Math.atan( - Math.tan( _Math.DEG2RAD * 0.5 * this.fov ) / this.zoom ); - - }, - - getFilmWidth: function () { - - // film not completely covered in portrait format (aspect < 1) - return this.filmGauge * Math.min( this.aspect, 1 ); - - }, - - getFilmHeight: function () { - - // film not completely covered in landscape format (aspect > 1) - return this.filmGauge / Math.max( this.aspect, 1 ); - - }, - - /** - * Sets an offset in a larger frustum. This is useful for multi-window or - * multi-monitor/multi-machine setups. - * - * For example, if you have 3x2 monitors and each monitor is 1920x1080 and - * the monitors are in grid like this - * - * +---+---+---+ - * | A | B | C | - * +---+---+---+ - * | D | E | F | - * +---+---+---+ - * - * then for each monitor you would call it like this - * - * var w = 1920; - * var h = 1080; - * var fullWidth = w * 3; - * var fullHeight = h * 2; - * - * --A-- - * camera.setViewOffset( fullWidth, fullHeight, w * 0, h * 0, w, h ); - * --B-- - * camera.setViewOffset( fullWidth, fullHeight, w * 1, h * 0, w, h ); - * --C-- - * camera.setViewOffset( fullWidth, fullHeight, w * 2, h * 0, w, h ); - * --D-- - * camera.setViewOffset( fullWidth, fullHeight, w * 0, h * 1, w, h ); - * --E-- - * camera.setViewOffset( fullWidth, fullHeight, w * 1, h * 1, w, h ); - * --F-- - * camera.setViewOffset( fullWidth, fullHeight, w * 2, h * 1, w, h ); - * - * Note there is no reason monitors have to be the same size or in a grid. - */ - setViewOffset: function ( fullWidth, fullHeight, x, y, width, height ) { - - this.aspect = fullWidth / fullHeight; - - if ( this.view === null ) { - - this.view = { - enabled: true, - fullWidth: 1, - fullHeight: 1, - offsetX: 0, - offsetY: 0, - width: 1, - height: 1 - }; - - } - - this.view.enabled = true; - this.view.fullWidth = fullWidth; - this.view.fullHeight = fullHeight; - this.view.offsetX = x; - this.view.offsetY = y; - this.view.width = width; - this.view.height = height; - - this.updateProjectionMatrix(); - - }, - - clearViewOffset: function () { - - if ( this.view !== null ) { - - this.view.enabled = false; - - } - - this.updateProjectionMatrix(); - - }, - - updateProjectionMatrix: function () { - - var near = this.near, - top = near * Math.tan( _Math.DEG2RAD * 0.5 * this.fov ) / this.zoom, - height = 2 * top, - width = this.aspect * height, - left = - 0.5 * width, - view = this.view; - - if ( this.view !== null && this.view.enabled ) { - - var fullWidth = view.fullWidth, - fullHeight = view.fullHeight; - - left += view.offsetX * width / fullWidth; - top -= view.offsetY * height / fullHeight; - width *= view.width / fullWidth; - height *= view.height / fullHeight; - - } - - var skew = this.filmOffset; - if ( skew !== 0 ) left += near * skew / this.getFilmWidth(); - - this.projectionMatrix.makePerspective( left, left + width, top, top - height, near, this.far ); - - this.projectionMatrixInverse.getInverse( this.projectionMatrix ); - - }, - - toJSON: function ( meta ) { - - var data = Object3D.prototype.toJSON.call( this, meta ); - - data.object.fov = this.fov; - data.object.zoom = this.zoom; - - data.object.near = this.near; - data.object.far = this.far; - data.object.focus = this.focus; - - data.object.aspect = this.aspect; - - if ( this.view !== null ) data.object.view = Object.assign( {}, this.view ); - - data.object.filmGauge = this.filmGauge; - data.object.filmOffset = this.filmOffset; - - return data; - - } - - } ); - - /** - * Camera for rendering cube maps - * - renders scene into axis-aligned cube - * - * @author alteredq / http://alteredqualia.com/ - */ - - var fov = 90, aspect = 1; - - function CubeCamera( near, far, cubeResolution, options ) { - - Object3D.call( this ); - - this.type = 'CubeCamera'; - - var cameraPX = new PerspectiveCamera( fov, aspect, near, far ); - cameraPX.up.set( 0, - 1, 0 ); - cameraPX.lookAt( new Vector3( 1, 0, 0 ) ); - this.add( cameraPX ); - - var cameraNX = new PerspectiveCamera( fov, aspect, near, far ); - cameraNX.up.set( 0, - 1, 0 ); - cameraNX.lookAt( new Vector3( - 1, 0, 0 ) ); - this.add( cameraNX ); - - var cameraPY = new PerspectiveCamera( fov, aspect, near, far ); - cameraPY.up.set( 0, 0, 1 ); - cameraPY.lookAt( new Vector3( 0, 1, 0 ) ); - this.add( cameraPY ); - - var cameraNY = new PerspectiveCamera( fov, aspect, near, far ); - cameraNY.up.set( 0, 0, - 1 ); - cameraNY.lookAt( new Vector3( 0, - 1, 0 ) ); - this.add( cameraNY ); - - var cameraPZ = new PerspectiveCamera( fov, aspect, near, far ); - cameraPZ.up.set( 0, - 1, 0 ); - cameraPZ.lookAt( new Vector3( 0, 0, 1 ) ); - this.add( cameraPZ ); - - var cameraNZ = new PerspectiveCamera( fov, aspect, near, far ); - cameraNZ.up.set( 0, - 1, 0 ); - cameraNZ.lookAt( new Vector3( 0, 0, - 1 ) ); - this.add( cameraNZ ); - - options = options || { format: RGBFormat, magFilter: LinearFilter, minFilter: LinearFilter }; - - this.renderTarget = new WebGLRenderTargetCube( cubeResolution, cubeResolution, options ); - this.renderTarget.texture.name = "CubeCamera"; - - this.update = function ( renderer, scene ) { - - if ( this.parent === null ) this.updateMatrixWorld(); - - var currentRenderTarget = renderer.getRenderTarget(); - - var renderTarget = this.renderTarget; - var generateMipmaps = renderTarget.texture.generateMipmaps; - - renderTarget.texture.generateMipmaps = false; - - renderer.setRenderTarget( renderTarget, 0 ); - renderer.render( scene, cameraPX ); - - renderer.setRenderTarget( renderTarget, 1 ); - renderer.render( scene, cameraNX ); - - renderer.setRenderTarget( renderTarget, 2 ); - renderer.render( scene, cameraPY ); - - renderer.setRenderTarget( renderTarget, 3 ); - renderer.render( scene, cameraNY ); - - renderer.setRenderTarget( renderTarget, 4 ); - renderer.render( scene, cameraPZ ); - - renderTarget.texture.generateMipmaps = generateMipmaps; - - renderer.setRenderTarget( renderTarget, 5 ); - renderer.render( scene, cameraNZ ); - - renderer.setRenderTarget( currentRenderTarget ); - - }; - - this.clear = function ( renderer, color, depth, stencil ) { - - var currentRenderTarget = renderer.getRenderTarget(); - - var renderTarget = this.renderTarget; - - for ( var i = 0; i < 6; i ++ ) { - - renderer.setRenderTarget( renderTarget, i ); - - renderer.clear( color, depth, stencil ); - - } - - renderer.setRenderTarget( currentRenderTarget ); - - }; - - } - - CubeCamera.prototype = Object.create( Object3D.prototype ); - CubeCamera.prototype.constructor = CubeCamera; - - /** - * @author alteredq / http://alteredqualia.com - * @author WestLangley / http://github.com/WestLangley - */ - - function WebGLRenderTargetCube( width, height, options ) { - - WebGLRenderTarget.call( this, width, height, options ); - - } - - WebGLRenderTargetCube.prototype = Object.create( WebGLRenderTarget.prototype ); - WebGLRenderTargetCube.prototype.constructor = WebGLRenderTargetCube; - - WebGLRenderTargetCube.prototype.isWebGLRenderTargetCube = true; - - WebGLRenderTargetCube.prototype.fromEquirectangularTexture = function ( renderer, texture ) { - - this.texture.type = texture.type; - this.texture.format = texture.format; - this.texture.encoding = texture.encoding; - - var scene = new Scene(); - - var shader = { - - uniforms: { - tEquirect: { value: null }, - }, - - vertexShader: [ - - "varying vec3 vWorldDirection;", - - "vec3 transformDirection( in vec3 dir, in mat4 matrix ) {", - - " return normalize( ( matrix * vec4( dir, 0.0 ) ).xyz );", - - "}", - - "void main() {", - - " vWorldDirection = transformDirection( position, modelMatrix );", - - " #include ", - " #include ", - - "}" - - ].join( '\n' ), - - fragmentShader: [ - - "uniform sampler2D tEquirect;", - - "varying vec3 vWorldDirection;", - - "#define RECIPROCAL_PI 0.31830988618", - "#define RECIPROCAL_PI2 0.15915494", - - "void main() {", - - " vec3 direction = normalize( vWorldDirection );", - - " vec2 sampleUV;", - - " sampleUV.y = asin( clamp( direction.y, - 1.0, 1.0 ) ) * RECIPROCAL_PI + 0.5;", - - " sampleUV.x = atan( direction.z, direction.x ) * RECIPROCAL_PI2 + 0.5;", - - " gl_FragColor = texture2D( tEquirect, sampleUV );", - - "}" - - ].join( '\n' ), - }; - - var material = new ShaderMaterial( { - - type: 'CubemapFromEquirect', - - uniforms: cloneUniforms( shader.uniforms ), - vertexShader: shader.vertexShader, - fragmentShader: shader.fragmentShader, - side: BackSide, - blending: NoBlending - - } ); - - material.uniforms.tEquirect.value = texture; - - var mesh = new Mesh( new BoxBufferGeometry( 5, 5, 5 ), material ); - - scene.add( mesh ); - - var camera = new CubeCamera( 1, 10, 1 ); - - camera.renderTarget = this; - camera.renderTarget.texture.name = 'CubeCameraTexture'; - - camera.update( renderer, scene ); - - mesh.geometry.dispose(); - mesh.material.dispose(); - - return this; - - }; - - /** - * @author alteredq / http://alteredqualia.com/ - */ - - function DataTexture( data, width, height, format, type, mapping, wrapS, wrapT, magFilter, minFilter, anisotropy, encoding ) { - - Texture.call( this, null, mapping, wrapS, wrapT, magFilter, minFilter, format, type, anisotropy, encoding ); - - this.image = { data: data, width: width, height: height }; - - this.magFilter = magFilter !== undefined ? magFilter : NearestFilter; - this.minFilter = minFilter !== undefined ? minFilter : NearestFilter; - - this.generateMipmaps = false; - this.flipY = false; - this.unpackAlignment = 1; - - } - - DataTexture.prototype = Object.create( Texture.prototype ); - DataTexture.prototype.constructor = DataTexture; - - DataTexture.prototype.isDataTexture = true; - - /** - * @author bhouston / http://clara.io - */ - - var _vector1 = new Vector3(); - var _vector2 = new Vector3(); - var _normalMatrix = new Matrix3(); - - function Plane( normal, constant ) { - - // normal is assumed to be normalized - - this.normal = ( normal !== undefined ) ? normal : new Vector3( 1, 0, 0 ); - this.constant = ( constant !== undefined ) ? constant : 0; - - } - - Object.assign( Plane.prototype, { - - isPlane: true, - - set: function ( normal, constant ) { - - this.normal.copy( normal ); - this.constant = constant; - - return this; - - }, - - setComponents: function ( x, y, z, w ) { - - this.normal.set( x, y, z ); - this.constant = w; - - return this; - - }, - - setFromNormalAndCoplanarPoint: function ( normal, point ) { - - this.normal.copy( normal ); - this.constant = - point.dot( this.normal ); - - return this; - - }, - - setFromCoplanarPoints: function ( a, b, c ) { - - var normal = _vector1.subVectors( c, b ).cross( _vector2.subVectors( a, b ) ).normalize(); - - // Q: should an error be thrown if normal is zero (e.g. degenerate plane)? - - this.setFromNormalAndCoplanarPoint( normal, a ); - - return this; - - }, - - clone: function () { - - return new this.constructor().copy( this ); - - }, - - copy: function ( plane ) { - - this.normal.copy( plane.normal ); - this.constant = plane.constant; - - return this; - - }, - - normalize: function () { - - // Note: will lead to a divide by zero if the plane is invalid. - - var inverseNormalLength = 1.0 / this.normal.length(); - this.normal.multiplyScalar( inverseNormalLength ); - this.constant *= inverseNormalLength; - - return this; - - }, - - negate: function () { - - this.constant *= - 1; - this.normal.negate(); - - return this; - - }, - - distanceToPoint: function ( point ) { - - return this.normal.dot( point ) + this.constant; - - }, - - distanceToSphere: function ( sphere ) { - - return this.distanceToPoint( sphere.center ) - sphere.radius; - - }, - - projectPoint: function ( point, target ) { - - if ( target === undefined ) { - - console.warn( 'THREE.Plane: .projectPoint() target is now required' ); - target = new Vector3(); - - } - - return target.copy( this.normal ).multiplyScalar( - this.distanceToPoint( point ) ).add( point ); - - }, - - intersectLine: function ( line, target ) { - - if ( target === undefined ) { - - console.warn( 'THREE.Plane: .intersectLine() target is now required' ); - target = new Vector3(); - - } - - var direction = line.delta( _vector1 ); - - var denominator = this.normal.dot( direction ); - - if ( denominator === 0 ) { - - // line is coplanar, return origin - if ( this.distanceToPoint( line.start ) === 0 ) { - - return target.copy( line.start ); - - } - - // Unsure if this is the correct method to handle this case. - return undefined; - - } - - var t = - ( line.start.dot( this.normal ) + this.constant ) / denominator; - - if ( t < 0 || t > 1 ) { - - return undefined; - - } - - return target.copy( direction ).multiplyScalar( t ).add( line.start ); - - }, - - intersectsLine: function ( line ) { - - // Note: this tests if a line intersects the plane, not whether it (or its end-points) are coplanar with it. - - var startSign = this.distanceToPoint( line.start ); - var endSign = this.distanceToPoint( line.end ); - - return ( startSign < 0 && endSign > 0 ) || ( endSign < 0 && startSign > 0 ); - - }, - - intersectsBox: function ( box ) { - - return box.intersectsPlane( this ); - - }, - - intersectsSphere: function ( sphere ) { - - return sphere.intersectsPlane( this ); - - }, - - coplanarPoint: function ( target ) { - - if ( target === undefined ) { - - console.warn( 'THREE.Plane: .coplanarPoint() target is now required' ); - target = new Vector3(); - - } - - return target.copy( this.normal ).multiplyScalar( - this.constant ); - - }, - - applyMatrix4: function ( matrix, optionalNormalMatrix ) { - - var normalMatrix = optionalNormalMatrix || _normalMatrix.getNormalMatrix( matrix ); - - var referencePoint = this.coplanarPoint( _vector1 ).applyMatrix4( matrix ); - - var normal = this.normal.applyMatrix3( normalMatrix ).normalize(); - - this.constant = - referencePoint.dot( normal ); - - return this; - - }, - - translate: function ( offset ) { - - this.constant -= offset.dot( this.normal ); - - return this; - - }, - - equals: function ( plane ) { - - return plane.normal.equals( this.normal ) && ( plane.constant === this.constant ); - - } - - } ); - - /** - * @author mrdoob / http://mrdoob.com/ - * @author alteredq / http://alteredqualia.com/ - * @author bhouston / http://clara.io - */ - - var _sphere$1 = new Sphere(); - var _vector$5 = new Vector3(); - - function Frustum( p0, p1, p2, p3, p4, p5 ) { - - this.planes = [ - - ( p0 !== undefined ) ? p0 : new Plane(), - ( p1 !== undefined ) ? p1 : new Plane(), - ( p2 !== undefined ) ? p2 : new Plane(), - ( p3 !== undefined ) ? p3 : new Plane(), - ( p4 !== undefined ) ? p4 : new Plane(), - ( p5 !== undefined ) ? p5 : new Plane() - - ]; - - } - - Object.assign( Frustum.prototype, { - - set: function ( p0, p1, p2, p3, p4, p5 ) { - - var planes = this.planes; - - planes[ 0 ].copy( p0 ); - planes[ 1 ].copy( p1 ); - planes[ 2 ].copy( p2 ); - planes[ 3 ].copy( p3 ); - planes[ 4 ].copy( p4 ); - planes[ 5 ].copy( p5 ); - - return this; - - }, - - clone: function () { - - return new this.constructor().copy( this ); - - }, - - copy: function ( frustum ) { - - var planes = this.planes; - - for ( var i = 0; i < 6; i ++ ) { - - planes[ i ].copy( frustum.planes[ i ] ); - - } - - return this; - - }, - - setFromMatrix: function ( m ) { - - var planes = this.planes; - var me = m.elements; - var me0 = me[ 0 ], me1 = me[ 1 ], me2 = me[ 2 ], me3 = me[ 3 ]; - var me4 = me[ 4 ], me5 = me[ 5 ], me6 = me[ 6 ], me7 = me[ 7 ]; - var me8 = me[ 8 ], me9 = me[ 9 ], me10 = me[ 10 ], me11 = me[ 11 ]; - var me12 = me[ 12 ], me13 = me[ 13 ], me14 = me[ 14 ], me15 = me[ 15 ]; - - planes[ 0 ].setComponents( me3 - me0, me7 - me4, me11 - me8, me15 - me12 ).normalize(); - planes[ 1 ].setComponents( me3 + me0, me7 + me4, me11 + me8, me15 + me12 ).normalize(); - planes[ 2 ].setComponents( me3 + me1, me7 + me5, me11 + me9, me15 + me13 ).normalize(); - planes[ 3 ].setComponents( me3 - me1, me7 - me5, me11 - me9, me15 - me13 ).normalize(); - planes[ 4 ].setComponents( me3 - me2, me7 - me6, me11 - me10, me15 - me14 ).normalize(); - planes[ 5 ].setComponents( me3 + me2, me7 + me6, me11 + me10, me15 + me14 ).normalize(); - - return this; - - }, - - intersectsObject: function ( object ) { - - var geometry = object.geometry; - - if ( geometry.boundingSphere === null ) geometry.computeBoundingSphere(); - - _sphere$1.copy( geometry.boundingSphere ).applyMatrix4( object.matrixWorld ); - - return this.intersectsSphere( _sphere$1 ); - - }, - - intersectsSprite: function ( sprite ) { - - _sphere$1.center.set( 0, 0, 0 ); - _sphere$1.radius = 0.7071067811865476; - _sphere$1.applyMatrix4( sprite.matrixWorld ); - - return this.intersectsSphere( _sphere$1 ); - - }, - - intersectsSphere: function ( sphere ) { - - var planes = this.planes; - var center = sphere.center; - var negRadius = - sphere.radius; - - for ( var i = 0; i < 6; i ++ ) { - - var distance = planes[ i ].distanceToPoint( center ); - - if ( distance < negRadius ) { - - return false; - - } - - } - - return true; - - }, - - intersectsBox: function ( box ) { - - var planes = this.planes; - - for ( var i = 0; i < 6; i ++ ) { - - var plane = planes[ i ]; - - // corner at max distance - - _vector$5.x = plane.normal.x > 0 ? box.max.x : box.min.x; - _vector$5.y = plane.normal.y > 0 ? box.max.y : box.min.y; - _vector$5.z = plane.normal.z > 0 ? box.max.z : box.min.z; - - if ( plane.distanceToPoint( _vector$5 ) < 0 ) { - - return false; - - } - - } - - return true; - - }, - - containsPoint: function ( point ) { - - var planes = this.planes; - - for ( var i = 0; i < 6; i ++ ) { - - if ( planes[ i ].distanceToPoint( point ) < 0 ) { - - return false; - - } - - } - - return true; - - } - - } ); - - var alphamap_fragment = "#ifdef USE_ALPHAMAP\n\tdiffuseColor.a *= texture2D( alphaMap, vUv ).g;\n#endif"; - - var alphamap_pars_fragment = "#ifdef USE_ALPHAMAP\n\tuniform sampler2D alphaMap;\n#endif"; - - var alphatest_fragment = "#ifdef ALPHATEST\n\tif ( diffuseColor.a < ALPHATEST ) discard;\n#endif"; - - var aomap_fragment = "#ifdef USE_AOMAP\n\tfloat ambientOcclusion = ( texture2D( aoMap, vUv2 ).r - 1.0 ) * aoMapIntensity + 1.0;\n\treflectedLight.indirectDiffuse *= ambientOcclusion;\n\t#if defined( USE_ENVMAP ) && defined( STANDARD )\n\t\tfloat dotNV = saturate( dot( geometry.normal, geometry.viewDir ) );\n\t\treflectedLight.indirectSpecular *= computeSpecularOcclusion( dotNV, ambientOcclusion, material.specularRoughness );\n\t#endif\n#endif"; - - var aomap_pars_fragment = "#ifdef USE_AOMAP\n\tuniform sampler2D aoMap;\n\tuniform float aoMapIntensity;\n#endif"; - - var begin_vertex = "vec3 transformed = vec3( position );"; - - var beginnormal_vertex = "vec3 objectNormal = vec3( normal );\n#ifdef USE_TANGENT\n\tvec3 objectTangent = vec3( tangent.xyz );\n#endif"; - - var bsdfs = "vec2 integrateSpecularBRDF( const in float dotNV, const in float roughness ) {\n\tconst vec4 c0 = vec4( - 1, - 0.0275, - 0.572, 0.022 );\n\tconst vec4 c1 = vec4( 1, 0.0425, 1.04, - 0.04 );\n\tvec4 r = roughness * c0 + c1;\n\tfloat a004 = min( r.x * r.x, exp2( - 9.28 * dotNV ) ) * r.x + r.y;\n\treturn vec2( -1.04, 1.04 ) * a004 + r.zw;\n}\nfloat punctualLightIntensityToIrradianceFactor( const in float lightDistance, const in float cutoffDistance, const in float decayExponent ) {\n#if defined ( PHYSICALLY_CORRECT_LIGHTS )\n\tfloat distanceFalloff = 1.0 / max( pow( lightDistance, decayExponent ), 0.01 );\n\tif( cutoffDistance > 0.0 ) {\n\t\tdistanceFalloff *= pow2( saturate( 1.0 - pow4( lightDistance / cutoffDistance ) ) );\n\t}\n\treturn distanceFalloff;\n#else\n\tif( cutoffDistance > 0.0 && decayExponent > 0.0 ) {\n\t\treturn pow( saturate( -lightDistance / cutoffDistance + 1.0 ), decayExponent );\n\t}\n\treturn 1.0;\n#endif\n}\nvec3 BRDF_Diffuse_Lambert( const in vec3 diffuseColor ) {\n\treturn RECIPROCAL_PI * diffuseColor;\n}\nvec3 F_Schlick( const in vec3 specularColor, const in float dotLH ) {\n\tfloat fresnel = exp2( ( -5.55473 * dotLH - 6.98316 ) * dotLH );\n\treturn ( 1.0 - specularColor ) * fresnel + specularColor;\n}\nvec3 F_Schlick_RoughnessDependent( const in vec3 F0, const in float dotNV, const in float roughness ) {\n\tfloat fresnel = exp2( ( -5.55473 * dotNV - 6.98316 ) * dotNV );\n\tvec3 Fr = max( vec3( 1.0 - roughness ), F0 ) - F0;\n\treturn Fr * fresnel + F0;\n}\nfloat G_GGX_Smith( const in float alpha, const in float dotNL, const in float dotNV ) {\n\tfloat a2 = pow2( alpha );\n\tfloat gl = dotNL + sqrt( a2 + ( 1.0 - a2 ) * pow2( dotNL ) );\n\tfloat gv = dotNV + sqrt( a2 + ( 1.0 - a2 ) * pow2( dotNV ) );\n\treturn 1.0 / ( gl * gv );\n}\nfloat G_GGX_SmithCorrelated( const in float alpha, const in float dotNL, const in float dotNV ) {\n\tfloat a2 = pow2( alpha );\n\tfloat gv = dotNL * sqrt( a2 + ( 1.0 - a2 ) * pow2( dotNV ) );\n\tfloat gl = dotNV * sqrt( a2 + ( 1.0 - a2 ) * pow2( dotNL ) );\n\treturn 0.5 / max( gv + gl, EPSILON );\n}\nfloat D_GGX( const in float alpha, const in float dotNH ) {\n\tfloat a2 = pow2( alpha );\n\tfloat denom = pow2( dotNH ) * ( a2 - 1.0 ) + 1.0;\n\treturn RECIPROCAL_PI * a2 / pow2( denom );\n}\nvec3 BRDF_Specular_GGX( const in IncidentLight incidentLight, const in vec3 viewDir, const in vec3 normal, const in vec3 specularColor, const in float roughness ) {\n\tfloat alpha = pow2( roughness );\n\tvec3 halfDir = normalize( incidentLight.direction + viewDir );\n\tfloat dotNL = saturate( dot( normal, incidentLight.direction ) );\n\tfloat dotNV = saturate( dot( normal, viewDir ) );\n\tfloat dotNH = saturate( dot( normal, halfDir ) );\n\tfloat dotLH = saturate( dot( incidentLight.direction, halfDir ) );\n\tvec3 F = F_Schlick( specularColor, dotLH );\n\tfloat G = G_GGX_SmithCorrelated( alpha, dotNL, dotNV );\n\tfloat D = D_GGX( alpha, dotNH );\n\treturn F * ( G * D );\n}\nvec2 LTC_Uv( const in vec3 N, const in vec3 V, const in float roughness ) {\n\tconst float LUT_SIZE = 64.0;\n\tconst float LUT_SCALE = ( LUT_SIZE - 1.0 ) / LUT_SIZE;\n\tconst float LUT_BIAS = 0.5 / LUT_SIZE;\n\tfloat dotNV = saturate( dot( N, V ) );\n\tvec2 uv = vec2( roughness, sqrt( 1.0 - dotNV ) );\n\tuv = uv * LUT_SCALE + LUT_BIAS;\n\treturn uv;\n}\nfloat LTC_ClippedSphereFormFactor( const in vec3 f ) {\n\tfloat l = length( f );\n\treturn max( ( l * l + f.z ) / ( l + 1.0 ), 0.0 );\n}\nvec3 LTC_EdgeVectorFormFactor( const in vec3 v1, const in vec3 v2 ) {\n\tfloat x = dot( v1, v2 );\n\tfloat y = abs( x );\n\tfloat a = 0.8543985 + ( 0.4965155 + 0.0145206 * y ) * y;\n\tfloat b = 3.4175940 + ( 4.1616724 + y ) * y;\n\tfloat v = a / b;\n\tfloat theta_sintheta = ( x > 0.0 ) ? v : 0.5 * inversesqrt( max( 1.0 - x * x, 1e-7 ) ) - v;\n\treturn cross( v1, v2 ) * theta_sintheta;\n}\nvec3 LTC_Evaluate( const in vec3 N, const in vec3 V, const in vec3 P, const in mat3 mInv, const in vec3 rectCoords[ 4 ] ) {\n\tvec3 v1 = rectCoords[ 1 ] - rectCoords[ 0 ];\n\tvec3 v2 = rectCoords[ 3 ] - rectCoords[ 0 ];\n\tvec3 lightNormal = cross( v1, v2 );\n\tif( dot( lightNormal, P - rectCoords[ 0 ] ) < 0.0 ) return vec3( 0.0 );\n\tvec3 T1, T2;\n\tT1 = normalize( V - N * dot( V, N ) );\n\tT2 = - cross( N, T1 );\n\tmat3 mat = mInv * transposeMat3( mat3( T1, T2, N ) );\n\tvec3 coords[ 4 ];\n\tcoords[ 0 ] = mat * ( rectCoords[ 0 ] - P );\n\tcoords[ 1 ] = mat * ( rectCoords[ 1 ] - P );\n\tcoords[ 2 ] = mat * ( rectCoords[ 2 ] - P );\n\tcoords[ 3 ] = mat * ( rectCoords[ 3 ] - P );\n\tcoords[ 0 ] = normalize( coords[ 0 ] );\n\tcoords[ 1 ] = normalize( coords[ 1 ] );\n\tcoords[ 2 ] = normalize( coords[ 2 ] );\n\tcoords[ 3 ] = normalize( coords[ 3 ] );\n\tvec3 vectorFormFactor = vec3( 0.0 );\n\tvectorFormFactor += LTC_EdgeVectorFormFactor( coords[ 0 ], coords[ 1 ] );\n\tvectorFormFactor += LTC_EdgeVectorFormFactor( coords[ 1 ], coords[ 2 ] );\n\tvectorFormFactor += LTC_EdgeVectorFormFactor( coords[ 2 ], coords[ 3 ] );\n\tvectorFormFactor += LTC_EdgeVectorFormFactor( coords[ 3 ], coords[ 0 ] );\n\tfloat result = LTC_ClippedSphereFormFactor( vectorFormFactor );\n\treturn vec3( result );\n}\nvec3 BRDF_Specular_GGX_Environment( const in vec3 viewDir, const in vec3 normal, const in vec3 specularColor, const in float roughness ) {\n\tfloat dotNV = saturate( dot( normal, viewDir ) );\n\tvec2 brdf = integrateSpecularBRDF( dotNV, roughness );\n\treturn specularColor * brdf.x + brdf.y;\n}\nvoid BRDF_Specular_Multiscattering_Environment( const in GeometricContext geometry, const in vec3 specularColor, const in float roughness, inout vec3 singleScatter, inout vec3 multiScatter ) {\n\tfloat dotNV = saturate( dot( geometry.normal, geometry.viewDir ) );\n\tvec3 F = F_Schlick_RoughnessDependent( specularColor, dotNV, roughness );\n\tvec2 brdf = integrateSpecularBRDF( dotNV, roughness );\n\tvec3 FssEss = F * brdf.x + brdf.y;\n\tfloat Ess = brdf.x + brdf.y;\n\tfloat Ems = 1.0 - Ess;\n\tvec3 Favg = specularColor + ( 1.0 - specularColor ) * 0.047619;\tvec3 Fms = FssEss * Favg / ( 1.0 - Ems * Favg );\n\tsingleScatter += FssEss;\n\tmultiScatter += Fms * Ems;\n}\nfloat G_BlinnPhong_Implicit( ) {\n\treturn 0.25;\n}\nfloat D_BlinnPhong( const in float shininess, const in float dotNH ) {\n\treturn RECIPROCAL_PI * ( shininess * 0.5 + 1.0 ) * pow( dotNH, shininess );\n}\nvec3 BRDF_Specular_BlinnPhong( const in IncidentLight incidentLight, const in GeometricContext geometry, const in vec3 specularColor, const in float shininess ) {\n\tvec3 halfDir = normalize( incidentLight.direction + geometry.viewDir );\n\tfloat dotNH = saturate( dot( geometry.normal, halfDir ) );\n\tfloat dotLH = saturate( dot( incidentLight.direction, halfDir ) );\n\tvec3 F = F_Schlick( specularColor, dotLH );\n\tfloat G = G_BlinnPhong_Implicit( );\n\tfloat D = D_BlinnPhong( shininess, dotNH );\n\treturn F * ( G * D );\n}\nfloat GGXRoughnessToBlinnExponent( const in float ggxRoughness ) {\n\treturn ( 2.0 / pow2( ggxRoughness + 0.0001 ) - 2.0 );\n}\nfloat BlinnExponentToGGXRoughness( const in float blinnExponent ) {\n\treturn sqrt( 2.0 / ( blinnExponent + 2.0 ) );\n}\n#if defined( USE_SHEEN )\nfloat D_Charlie(float roughness, float NoH) {\n\tfloat invAlpha = 1.0 / roughness;\n\tfloat cos2h = NoH * NoH;\n\tfloat sin2h = max(1.0 - cos2h, 0.0078125);\treturn (2.0 + invAlpha) * pow(sin2h, invAlpha * 0.5) / (2.0 * PI);\n}\nfloat V_Neubelt(float NoV, float NoL) {\n\treturn saturate(1.0 / (4.0 * (NoL + NoV - NoL * NoV)));\n}\nvec3 BRDF_Specular_Sheen( const in float roughness, const in vec3 L, const in GeometricContext geometry, vec3 specularColor ) {\n\tvec3 N = geometry.normal;\n\tvec3 V = geometry.viewDir;\n\tvec3 H = normalize( V + L );\n\tfloat dotNH = saturate( dot( N, H ) );\n\treturn specularColor * D_Charlie( roughness, dotNH ) * V_Neubelt( dot(N, V), dot(N, L) );\n}\n#endif"; - - var bumpmap_pars_fragment = "#ifdef USE_BUMPMAP\n\tuniform sampler2D bumpMap;\n\tuniform float bumpScale;\n\tvec2 dHdxy_fwd() {\n\t\tvec2 dSTdx = dFdx( vUv );\n\t\tvec2 dSTdy = dFdy( vUv );\n\t\tfloat Hll = bumpScale * texture2D( bumpMap, vUv ).x;\n\t\tfloat dBx = bumpScale * texture2D( bumpMap, vUv + dSTdx ).x - Hll;\n\t\tfloat dBy = bumpScale * texture2D( bumpMap, vUv + dSTdy ).x - Hll;\n\t\treturn vec2( dBx, dBy );\n\t}\n\tvec3 perturbNormalArb( vec3 surf_pos, vec3 surf_norm, vec2 dHdxy ) {\n\t\tvec3 vSigmaX = vec3( dFdx( surf_pos.x ), dFdx( surf_pos.y ), dFdx( surf_pos.z ) );\n\t\tvec3 vSigmaY = vec3( dFdy( surf_pos.x ), dFdy( surf_pos.y ), dFdy( surf_pos.z ) );\n\t\tvec3 vN = surf_norm;\n\t\tvec3 R1 = cross( vSigmaY, vN );\n\t\tvec3 R2 = cross( vN, vSigmaX );\n\t\tfloat fDet = dot( vSigmaX, R1 );\n\t\tfDet *= ( float( gl_FrontFacing ) * 2.0 - 1.0 );\n\t\tvec3 vGrad = sign( fDet ) * ( dHdxy.x * R1 + dHdxy.y * R2 );\n\t\treturn normalize( abs( fDet ) * surf_norm - vGrad );\n\t}\n#endif"; - - var clipping_planes_fragment = "#if NUM_CLIPPING_PLANES > 0\n\tvec4 plane;\n\t#pragma unroll_loop\n\tfor ( int i = 0; i < UNION_CLIPPING_PLANES; i ++ ) {\n\t\tplane = clippingPlanes[ i ];\n\t\tif ( dot( vViewPosition, plane.xyz ) > plane.w ) discard;\n\t}\n\t#if UNION_CLIPPING_PLANES < NUM_CLIPPING_PLANES\n\t\tbool clipped = true;\n\t\t#pragma unroll_loop\n\t\tfor ( int i = UNION_CLIPPING_PLANES; i < NUM_CLIPPING_PLANES; i ++ ) {\n\t\t\tplane = clippingPlanes[ i ];\n\t\t\tclipped = ( dot( vViewPosition, plane.xyz ) > plane.w ) && clipped;\n\t\t}\n\t\tif ( clipped ) discard;\n\t#endif\n#endif"; - - var clipping_planes_pars_fragment = "#if NUM_CLIPPING_PLANES > 0\n\t#if ! defined( STANDARD ) && ! defined( PHONG ) && ! defined( MATCAP )\n\t\tvarying vec3 vViewPosition;\n\t#endif\n\tuniform vec4 clippingPlanes[ NUM_CLIPPING_PLANES ];\n#endif"; - - var clipping_planes_pars_vertex = "#if NUM_CLIPPING_PLANES > 0 && ! defined( STANDARD ) && ! defined( PHONG ) && ! defined( MATCAP )\n\tvarying vec3 vViewPosition;\n#endif"; - - var clipping_planes_vertex = "#if NUM_CLIPPING_PLANES > 0 && ! defined( STANDARD ) && ! defined( PHONG ) && ! defined( MATCAP )\n\tvViewPosition = - mvPosition.xyz;\n#endif"; - - var color_fragment = "#ifdef USE_COLOR\n\tdiffuseColor.rgb *= vColor;\n#endif"; - - var color_pars_fragment = "#ifdef USE_COLOR\n\tvarying vec3 vColor;\n#endif"; - - var color_pars_vertex = "#ifdef USE_COLOR\n\tvarying vec3 vColor;\n#endif"; - - var color_vertex = "#ifdef USE_COLOR\n\tvColor.xyz = color.xyz;\n#endif"; - - var common = "#define PI 3.14159265359\n#define PI2 6.28318530718\n#define PI_HALF 1.5707963267949\n#define RECIPROCAL_PI 0.31830988618\n#define RECIPROCAL_PI2 0.15915494\n#define LOG2 1.442695\n#define EPSILON 1e-6\n#define saturate(a) clamp( a, 0.0, 1.0 )\n#define whiteComplement(a) ( 1.0 - saturate( a ) )\nfloat pow2( const in float x ) { return x*x; }\nfloat pow3( const in float x ) { return x*x*x; }\nfloat pow4( const in float x ) { float x2 = x*x; return x2*x2; }\nfloat average( const in vec3 color ) { return dot( color, vec3( 0.3333 ) ); }\nhighp float rand( const in vec2 uv ) {\n\tconst highp float a = 12.9898, b = 78.233, c = 43758.5453;\n\thighp float dt = dot( uv.xy, vec2( a,b ) ), sn = mod( dt, PI );\n\treturn fract(sin(sn) * c);\n}\n#ifdef HIGH_PRECISION\n\tfloat precisionSafeLength( vec3 v ) { return length( v ); }\n#else\n\tfloat max3( vec3 v ) { return max( max( v.x, v.y ), v.z ); }\n\tfloat precisionSafeLength( vec3 v ) {\n\t\tfloat maxComponent = max3( abs( v ) );\n\t\treturn length( v / maxComponent ) * maxComponent;\n\t}\n#endif\nstruct IncidentLight {\n\tvec3 color;\n\tvec3 direction;\n\tbool visible;\n};\nstruct ReflectedLight {\n\tvec3 directDiffuse;\n\tvec3 directSpecular;\n\tvec3 indirectDiffuse;\n\tvec3 indirectSpecular;\n};\nstruct GeometricContext {\n\tvec3 position;\n\tvec3 normal;\n\tvec3 viewDir;\n#ifdef CLEARCOAT\n\tvec3 clearcoatNormal;\n#endif\n};\nvec3 transformDirection( in vec3 dir, in mat4 matrix ) {\n\treturn normalize( ( matrix * vec4( dir, 0.0 ) ).xyz );\n}\nvec3 inverseTransformDirection( in vec3 dir, in mat4 matrix ) {\n\treturn normalize( ( vec4( dir, 0.0 ) * matrix ).xyz );\n}\nvec3 projectOnPlane(in vec3 point, in vec3 pointOnPlane, in vec3 planeNormal ) {\n\tfloat distance = dot( planeNormal, point - pointOnPlane );\n\treturn - distance * planeNormal + point;\n}\nfloat sideOfPlane( in vec3 point, in vec3 pointOnPlane, in vec3 planeNormal ) {\n\treturn sign( dot( point - pointOnPlane, planeNormal ) );\n}\nvec3 linePlaneIntersect( in vec3 pointOnLine, in vec3 lineDirection, in vec3 pointOnPlane, in vec3 planeNormal ) {\n\treturn lineDirection * ( dot( planeNormal, pointOnPlane - pointOnLine ) / dot( planeNormal, lineDirection ) ) + pointOnLine;\n}\nmat3 transposeMat3( const in mat3 m ) {\n\tmat3 tmp;\n\ttmp[ 0 ] = vec3( m[ 0 ].x, m[ 1 ].x, m[ 2 ].x );\n\ttmp[ 1 ] = vec3( m[ 0 ].y, m[ 1 ].y, m[ 2 ].y );\n\ttmp[ 2 ] = vec3( m[ 0 ].z, m[ 1 ].z, m[ 2 ].z );\n\treturn tmp;\n}\nfloat linearToRelativeLuminance( const in vec3 color ) {\n\tvec3 weights = vec3( 0.2126, 0.7152, 0.0722 );\n\treturn dot( weights, color.rgb );\n}"; - - var cube_uv_reflection_fragment = "#ifdef ENVMAP_TYPE_CUBE_UV\n#define cubeUV_textureSize (1024.0)\nint getFaceFromDirection(vec3 direction) {\n\tvec3 absDirection = abs(direction);\n\tint face = -1;\n\tif( absDirection.x > absDirection.z ) {\n\t\tif(absDirection.x > absDirection.y )\n\t\t\tface = direction.x > 0.0 ? 0 : 3;\n\t\telse\n\t\t\tface = direction.y > 0.0 ? 1 : 4;\n\t}\n\telse {\n\t\tif(absDirection.z > absDirection.y )\n\t\t\tface = direction.z > 0.0 ? 2 : 5;\n\t\telse\n\t\t\tface = direction.y > 0.0 ? 1 : 4;\n\t}\n\treturn face;\n}\n#define cubeUV_maxLods1 (log2(cubeUV_textureSize*0.25) - 1.0)\n#define cubeUV_rangeClamp (exp2((6.0 - 1.0) * 2.0))\nvec2 MipLevelInfo( vec3 vec, float roughnessLevel, float roughness ) {\n\tfloat scale = exp2(cubeUV_maxLods1 - roughnessLevel);\n\tfloat dxRoughness = dFdx(roughness);\n\tfloat dyRoughness = dFdy(roughness);\n\tvec3 dx = dFdx( vec * scale * dxRoughness );\n\tvec3 dy = dFdy( vec * scale * dyRoughness );\n\tfloat d = max( dot( dx, dx ), dot( dy, dy ) );\n\td = clamp(d, 1.0, cubeUV_rangeClamp);\n\tfloat mipLevel = 0.5 * log2(d);\n\treturn vec2(floor(mipLevel), fract(mipLevel));\n}\n#define cubeUV_maxLods2 (log2(cubeUV_textureSize*0.25) - 2.0)\n#define cubeUV_rcpTextureSize (1.0 / cubeUV_textureSize)\nvec2 getCubeUV(vec3 direction, float roughnessLevel, float mipLevel) {\n\tmipLevel = roughnessLevel > cubeUV_maxLods2 - 3.0 ? 0.0 : mipLevel;\n\tfloat a = 16.0 * cubeUV_rcpTextureSize;\n\tvec2 exp2_packed = exp2( vec2( roughnessLevel, mipLevel ) );\n\tvec2 rcp_exp2_packed = vec2( 1.0 ) / exp2_packed;\n\tfloat powScale = exp2_packed.x * exp2_packed.y;\n\tfloat scale = rcp_exp2_packed.x * rcp_exp2_packed.y * 0.25;\n\tfloat mipOffset = 0.75*(1.0 - rcp_exp2_packed.y) * rcp_exp2_packed.x;\n\tbool bRes = mipLevel == 0.0;\n\tscale = bRes && (scale < a) ? a : scale;\n\tvec3 r;\n\tvec2 offset;\n\tint face = getFaceFromDirection(direction);\n\tfloat rcpPowScale = 1.0 / powScale;\n\tif( face == 0) {\n\t\tr = vec3(direction.x, -direction.z, direction.y);\n\t\toffset = vec2(0.0+mipOffset,0.75 * rcpPowScale);\n\t\toffset.y = bRes && (offset.y < 2.0*a) ? a : offset.y;\n\t}\n\telse if( face == 1) {\n\t\tr = vec3(direction.y, direction.x, direction.z);\n\t\toffset = vec2(scale+mipOffset, 0.75 * rcpPowScale);\n\t\toffset.y = bRes && (offset.y < 2.0*a) ? a : offset.y;\n\t}\n\telse if( face == 2) {\n\t\tr = vec3(direction.z, direction.x, direction.y);\n\t\toffset = vec2(2.0*scale+mipOffset, 0.75 * rcpPowScale);\n\t\toffset.y = bRes && (offset.y < 2.0*a) ? a : offset.y;\n\t}\n\telse if( face == 3) {\n\t\tr = vec3(direction.x, direction.z, direction.y);\n\t\toffset = vec2(0.0+mipOffset,0.5 * rcpPowScale);\n\t\toffset.y = bRes && (offset.y < 2.0*a) ? 0.0 : offset.y;\n\t}\n\telse if( face == 4) {\n\t\tr = vec3(direction.y, direction.x, -direction.z);\n\t\toffset = vec2(scale+mipOffset, 0.5 * rcpPowScale);\n\t\toffset.y = bRes && (offset.y < 2.0*a) ? 0.0 : offset.y;\n\t}\n\telse {\n\t\tr = vec3(direction.z, -direction.x, direction.y);\n\t\toffset = vec2(2.0*scale+mipOffset, 0.5 * rcpPowScale);\n\t\toffset.y = bRes && (offset.y < 2.0*a) ? 0.0 : offset.y;\n\t}\n\tr = normalize(r);\n\tfloat texelOffset = 0.5 * cubeUV_rcpTextureSize;\n\tvec2 s = ( r.yz / abs( r.x ) + vec2( 1.0 ) ) * 0.5;\n\tvec2 base = offset + vec2( texelOffset );\n\treturn base + s * ( scale - 2.0 * texelOffset );\n}\n#define cubeUV_maxLods3 (log2(cubeUV_textureSize*0.25) - 3.0)\nvec4 textureCubeUV( sampler2D envMap, vec3 reflectedDirection, float roughness ) {\n\tfloat roughnessVal = roughness* cubeUV_maxLods3;\n\tfloat r1 = floor(roughnessVal);\n\tfloat r2 = r1 + 1.0;\n\tfloat t = fract(roughnessVal);\n\tvec2 mipInfo = MipLevelInfo(reflectedDirection, r1, roughness);\n\tfloat s = mipInfo.y;\n\tfloat level0 = mipInfo.x;\n\tfloat level1 = level0 + 1.0;\n\tlevel1 = level1 > 5.0 ? 5.0 : level1;\n\tlevel0 += min( floor( s + 0.5 ), 5.0 );\n\tvec2 uv_10 = getCubeUV(reflectedDirection, r1, level0);\n\tvec4 color10 = envMapTexelToLinear(texture2D(envMap, uv_10));\n\tvec2 uv_20 = getCubeUV(reflectedDirection, r2, level0);\n\tvec4 color20 = envMapTexelToLinear(texture2D(envMap, uv_20));\n\tvec4 result = mix(color10, color20, t);\n\treturn vec4(result.rgb, 1.0);\n}\n#endif"; - - var defaultnormal_vertex = "vec3 transformedNormal = normalMatrix * objectNormal;\n#ifdef FLIP_SIDED\n\ttransformedNormal = - transformedNormal;\n#endif\n#ifdef USE_TANGENT\n\tvec3 transformedTangent = normalMatrix * objectTangent;\n\t#ifdef FLIP_SIDED\n\t\ttransformedTangent = - transformedTangent;\n\t#endif\n#endif"; - - var displacementmap_pars_vertex = "#ifdef USE_DISPLACEMENTMAP\n\tuniform sampler2D displacementMap;\n\tuniform float displacementScale;\n\tuniform float displacementBias;\n#endif"; - - var displacementmap_vertex = "#ifdef USE_DISPLACEMENTMAP\n\ttransformed += normalize( objectNormal ) * ( texture2D( displacementMap, uv ).x * displacementScale + displacementBias );\n#endif"; - - var emissivemap_fragment = "#ifdef USE_EMISSIVEMAP\n\tvec4 emissiveColor = texture2D( emissiveMap, vUv );\n\temissiveColor.rgb = emissiveMapTexelToLinear( emissiveColor ).rgb;\n\ttotalEmissiveRadiance *= emissiveColor.rgb;\n#endif"; - - var emissivemap_pars_fragment = "#ifdef USE_EMISSIVEMAP\n\tuniform sampler2D emissiveMap;\n#endif"; - - var encodings_fragment = "gl_FragColor = linearToOutputTexel( gl_FragColor );"; - - var encodings_pars_fragment = "\nvec4 LinearToLinear( in vec4 value ) {\n\treturn value;\n}\nvec4 GammaToLinear( in vec4 value, in float gammaFactor ) {\n\treturn vec4( pow( value.rgb, vec3( gammaFactor ) ), value.a );\n}\nvec4 LinearToGamma( in vec4 value, in float gammaFactor ) {\n\treturn vec4( pow( value.rgb, vec3( 1.0 / gammaFactor ) ), value.a );\n}\nvec4 sRGBToLinear( in vec4 value ) {\n\treturn vec4( mix( pow( value.rgb * 0.9478672986 + vec3( 0.0521327014 ), vec3( 2.4 ) ), value.rgb * 0.0773993808, vec3( lessThanEqual( value.rgb, vec3( 0.04045 ) ) ) ), value.a );\n}\nvec4 LinearTosRGB( in vec4 value ) {\n\treturn vec4( mix( pow( value.rgb, vec3( 0.41666 ) ) * 1.055 - vec3( 0.055 ), value.rgb * 12.92, vec3( lessThanEqual( value.rgb, vec3( 0.0031308 ) ) ) ), value.a );\n}\nvec4 RGBEToLinear( in vec4 value ) {\n\treturn vec4( value.rgb * exp2( value.a * 255.0 - 128.0 ), 1.0 );\n}\nvec4 LinearToRGBE( in vec4 value ) {\n\tfloat maxComponent = max( max( value.r, value.g ), value.b );\n\tfloat fExp = clamp( ceil( log2( maxComponent ) ), -128.0, 127.0 );\n\treturn vec4( value.rgb / exp2( fExp ), ( fExp + 128.0 ) / 255.0 );\n}\nvec4 RGBMToLinear( in vec4 value, in float maxRange ) {\n\treturn vec4( value.rgb * value.a * maxRange, 1.0 );\n}\nvec4 LinearToRGBM( in vec4 value, in float maxRange ) {\n\tfloat maxRGB = max( value.r, max( value.g, value.b ) );\n\tfloat M = clamp( maxRGB / maxRange, 0.0, 1.0 );\n\tM = ceil( M * 255.0 ) / 255.0;\n\treturn vec4( value.rgb / ( M * maxRange ), M );\n}\nvec4 RGBDToLinear( in vec4 value, in float maxRange ) {\n\treturn vec4( value.rgb * ( ( maxRange / 255.0 ) / value.a ), 1.0 );\n}\nvec4 LinearToRGBD( in vec4 value, in float maxRange ) {\n\tfloat maxRGB = max( value.r, max( value.g, value.b ) );\n\tfloat D = max( maxRange / maxRGB, 1.0 );\n\tD = min( floor( D ) / 255.0, 1.0 );\n\treturn vec4( value.rgb * ( D * ( 255.0 / maxRange ) ), D );\n}\nconst mat3 cLogLuvM = mat3( 0.2209, 0.3390, 0.4184, 0.1138, 0.6780, 0.7319, 0.0102, 0.1130, 0.2969 );\nvec4 LinearToLogLuv( in vec4 value ) {\n\tvec3 Xp_Y_XYZp = cLogLuvM * value.rgb;\n\tXp_Y_XYZp = max( Xp_Y_XYZp, vec3( 1e-6, 1e-6, 1e-6 ) );\n\tvec4 vResult;\n\tvResult.xy = Xp_Y_XYZp.xy / Xp_Y_XYZp.z;\n\tfloat Le = 2.0 * log2(Xp_Y_XYZp.y) + 127.0;\n\tvResult.w = fract( Le );\n\tvResult.z = ( Le - ( floor( vResult.w * 255.0 ) ) / 255.0 ) / 255.0;\n\treturn vResult;\n}\nconst mat3 cLogLuvInverseM = mat3( 6.0014, -2.7008, -1.7996, -1.3320, 3.1029, -5.7721, 0.3008, -1.0882, 5.6268 );\nvec4 LogLuvToLinear( in vec4 value ) {\n\tfloat Le = value.z * 255.0 + value.w;\n\tvec3 Xp_Y_XYZp;\n\tXp_Y_XYZp.y = exp2( ( Le - 127.0 ) / 2.0 );\n\tXp_Y_XYZp.z = Xp_Y_XYZp.y / value.y;\n\tXp_Y_XYZp.x = value.x * Xp_Y_XYZp.z;\n\tvec3 vRGB = cLogLuvInverseM * Xp_Y_XYZp.rgb;\n\treturn vec4( max( vRGB, 0.0 ), 1.0 );\n}"; - - var envmap_fragment = "#ifdef USE_ENVMAP\n\t#ifdef ENV_WORLDPOS\n\t\tvec3 cameraToVertex = normalize( vWorldPosition - cameraPosition );\n\t\tvec3 worldNormal = inverseTransformDirection( normal, viewMatrix );\n\t\t#ifdef ENVMAP_MODE_REFLECTION\n\t\t\tvec3 reflectVec = reflect( cameraToVertex, worldNormal );\n\t\t#else\n\t\t\tvec3 reflectVec = refract( cameraToVertex, worldNormal, refractionRatio );\n\t\t#endif\n\t#else\n\t\tvec3 reflectVec = vReflect;\n\t#endif\n\t#ifdef ENVMAP_TYPE_CUBE\n\t\tvec4 envColor = textureCube( envMap, vec3( flipEnvMap * reflectVec.x, reflectVec.yz ) );\n\t#elif defined( ENVMAP_TYPE_EQUIREC )\n\t\tvec2 sampleUV;\n\t\treflectVec = normalize( reflectVec );\n\t\tsampleUV.y = asin( clamp( reflectVec.y, - 1.0, 1.0 ) ) * RECIPROCAL_PI + 0.5;\n\t\tsampleUV.x = atan( reflectVec.z, reflectVec.x ) * RECIPROCAL_PI2 + 0.5;\n\t\tvec4 envColor = texture2D( envMap, sampleUV );\n\t#elif defined( ENVMAP_TYPE_SPHERE )\n\t\treflectVec = normalize( reflectVec );\n\t\tvec3 reflectView = normalize( ( viewMatrix * vec4( reflectVec, 0.0 ) ).xyz + vec3( 0.0, 0.0, 1.0 ) );\n\t\tvec4 envColor = texture2D( envMap, reflectView.xy * 0.5 + 0.5 );\n\t#else\n\t\tvec4 envColor = vec4( 0.0 );\n\t#endif\n\tenvColor = envMapTexelToLinear( envColor );\n\t#ifdef ENVMAP_BLENDING_MULTIPLY\n\t\toutgoingLight = mix( outgoingLight, outgoingLight * envColor.xyz, specularStrength * reflectivity );\n\t#elif defined( ENVMAP_BLENDING_MIX )\n\t\toutgoingLight = mix( outgoingLight, envColor.xyz, specularStrength * reflectivity );\n\t#elif defined( ENVMAP_BLENDING_ADD )\n\t\toutgoingLight += envColor.xyz * specularStrength * reflectivity;\n\t#endif\n#endif"; - - var envmap_common_pars_fragment = "#ifdef USE_ENVMAP\n\tuniform float envMapIntensity;\n\tuniform float flipEnvMap;\n\tuniform int maxMipLevel;\n\t#ifdef ENVMAP_TYPE_CUBE\n\t\tuniform samplerCube envMap;\n\t#else\n\t\tuniform sampler2D envMap;\n\t#endif\n\t\n#endif"; - - var envmap_pars_fragment = "#ifdef USE_ENVMAP\n\tuniform float reflectivity;\n\t#if defined( USE_BUMPMAP ) || defined( USE_NORMALMAP ) || defined( PHONG )\n\t\t#define ENV_WORLDPOS\n\t#endif\n\t#ifdef ENV_WORLDPOS\n\t\tvarying vec3 vWorldPosition;\n\t\tuniform float refractionRatio;\n\t#else\n\t\tvarying vec3 vReflect;\n\t#endif\n#endif"; - - var envmap_pars_vertex = "#ifdef USE_ENVMAP\n\t#if defined( USE_BUMPMAP ) || defined( USE_NORMALMAP ) ||defined( PHONG )\n\t\t#define ENV_WORLDPOS\n\t#endif\n\t#ifdef ENV_WORLDPOS\n\t\t\n\t\tvarying vec3 vWorldPosition;\n\t#else\n\t\tvarying vec3 vReflect;\n\t\tuniform float refractionRatio;\n\t#endif\n#endif"; - - var envmap_vertex = "#ifdef USE_ENVMAP\n\t#ifdef ENV_WORLDPOS\n\t\tvWorldPosition = worldPosition.xyz;\n\t#else\n\t\tvec3 cameraToVertex = normalize( worldPosition.xyz - cameraPosition );\n\t\tvec3 worldNormal = inverseTransformDirection( transformedNormal, viewMatrix );\n\t\t#ifdef ENVMAP_MODE_REFLECTION\n\t\t\tvReflect = reflect( cameraToVertex, worldNormal );\n\t\t#else\n\t\t\tvReflect = refract( cameraToVertex, worldNormal, refractionRatio );\n\t\t#endif\n\t#endif\n#endif"; - - var fog_vertex = "#ifdef USE_FOG\n\tfogDepth = -mvPosition.z;\n#endif"; - - var fog_pars_vertex = "#ifdef USE_FOG\n\tvarying float fogDepth;\n#endif"; - - var fog_fragment = "#ifdef USE_FOG\n\t#ifdef FOG_EXP2\n\t\tfloat fogFactor = 1.0 - exp( - fogDensity * fogDensity * fogDepth * fogDepth );\n\t#else\n\t\tfloat fogFactor = smoothstep( fogNear, fogFar, fogDepth );\n\t#endif\n\tgl_FragColor.rgb = mix( gl_FragColor.rgb, fogColor, fogFactor );\n#endif"; - - var fog_pars_fragment = "#ifdef USE_FOG\n\tuniform vec3 fogColor;\n\tvarying float fogDepth;\n\t#ifdef FOG_EXP2\n\t\tuniform float fogDensity;\n\t#else\n\t\tuniform float fogNear;\n\t\tuniform float fogFar;\n\t#endif\n#endif"; - - var gradientmap_pars_fragment = "#ifdef TOON\n\tuniform sampler2D gradientMap;\n\tvec3 getGradientIrradiance( vec3 normal, vec3 lightDirection ) {\n\t\tfloat dotNL = dot( normal, lightDirection );\n\t\tvec2 coord = vec2( dotNL * 0.5 + 0.5, 0.0 );\n\t\t#ifdef USE_GRADIENTMAP\n\t\t\treturn texture2D( gradientMap, coord ).rgb;\n\t\t#else\n\t\t\treturn ( coord.x < 0.7 ) ? vec3( 0.7 ) : vec3( 1.0 );\n\t\t#endif\n\t}\n#endif"; - - var lightmap_fragment = "#ifdef USE_LIGHTMAP\n\treflectedLight.indirectDiffuse += PI * texture2D( lightMap, vUv2 ).xyz * lightMapIntensity;\n#endif"; - - var lightmap_pars_fragment = "#ifdef USE_LIGHTMAP\n\tuniform sampler2D lightMap;\n\tuniform float lightMapIntensity;\n#endif"; - - var lights_lambert_vertex = "vec3 diffuse = vec3( 1.0 );\nGeometricContext geometry;\ngeometry.position = mvPosition.xyz;\ngeometry.normal = normalize( transformedNormal );\ngeometry.viewDir = normalize( -mvPosition.xyz );\nGeometricContext backGeometry;\nbackGeometry.position = geometry.position;\nbackGeometry.normal = -geometry.normal;\nbackGeometry.viewDir = geometry.viewDir;\nvLightFront = vec3( 0.0 );\nvIndirectFront = vec3( 0.0 );\n#ifdef DOUBLE_SIDED\n\tvLightBack = vec3( 0.0 );\n\tvIndirectBack = vec3( 0.0 );\n#endif\nIncidentLight directLight;\nfloat dotNL;\nvec3 directLightColor_Diffuse;\n#if NUM_POINT_LIGHTS > 0\n\t#pragma unroll_loop\n\tfor ( int i = 0; i < NUM_POINT_LIGHTS; i ++ ) {\n\t\tgetPointDirectLightIrradiance( pointLights[ i ], geometry, directLight );\n\t\tdotNL = dot( geometry.normal, directLight.direction );\n\t\tdirectLightColor_Diffuse = PI * directLight.color;\n\t\tvLightFront += saturate( dotNL ) * directLightColor_Diffuse;\n\t\t#ifdef DOUBLE_SIDED\n\t\t\tvLightBack += saturate( -dotNL ) * directLightColor_Diffuse;\n\t\t#endif\n\t}\n#endif\n#if NUM_SPOT_LIGHTS > 0\n\t#pragma unroll_loop\n\tfor ( int i = 0; i < NUM_SPOT_LIGHTS; i ++ ) {\n\t\tgetSpotDirectLightIrradiance( spotLights[ i ], geometry, directLight );\n\t\tdotNL = dot( geometry.normal, directLight.direction );\n\t\tdirectLightColor_Diffuse = PI * directLight.color;\n\t\tvLightFront += saturate( dotNL ) * directLightColor_Diffuse;\n\t\t#ifdef DOUBLE_SIDED\n\t\t\tvLightBack += saturate( -dotNL ) * directLightColor_Diffuse;\n\t\t#endif\n\t}\n#endif\n#if NUM_DIR_LIGHTS > 0\n\t#pragma unroll_loop\n\tfor ( int i = 0; i < NUM_DIR_LIGHTS; i ++ ) {\n\t\tgetDirectionalDirectLightIrradiance( directionalLights[ i ], geometry, directLight );\n\t\tdotNL = dot( geometry.normal, directLight.direction );\n\t\tdirectLightColor_Diffuse = PI * directLight.color;\n\t\tvLightFront += saturate( dotNL ) * directLightColor_Diffuse;\n\t\t#ifdef DOUBLE_SIDED\n\t\t\tvLightBack += saturate( -dotNL ) * directLightColor_Diffuse;\n\t\t#endif\n\t}\n#endif\n#if NUM_HEMI_LIGHTS > 0\n\t#pragma unroll_loop\n\tfor ( int i = 0; i < NUM_HEMI_LIGHTS; i ++ ) {\n\t\tvIndirectFront += getHemisphereLightIrradiance( hemisphereLights[ i ], geometry );\n\t\t#ifdef DOUBLE_SIDED\n\t\t\tvIndirectBack += getHemisphereLightIrradiance( hemisphereLights[ i ], backGeometry );\n\t\t#endif\n\t}\n#endif"; - - var lights_pars_begin = "uniform vec3 ambientLightColor;\nuniform vec3 lightProbe[ 9 ];\nvec3 shGetIrradianceAt( in vec3 normal, in vec3 shCoefficients[ 9 ] ) {\n\tfloat x = normal.x, y = normal.y, z = normal.z;\n\tvec3 result = shCoefficients[ 0 ] * 0.886227;\n\tresult += shCoefficients[ 1 ] * 2.0 * 0.511664 * y;\n\tresult += shCoefficients[ 2 ] * 2.0 * 0.511664 * z;\n\tresult += shCoefficients[ 3 ] * 2.0 * 0.511664 * x;\n\tresult += shCoefficients[ 4 ] * 2.0 * 0.429043 * x * y;\n\tresult += shCoefficients[ 5 ] * 2.0 * 0.429043 * y * z;\n\tresult += shCoefficients[ 6 ] * ( 0.743125 * z * z - 0.247708 );\n\tresult += shCoefficients[ 7 ] * 2.0 * 0.429043 * x * z;\n\tresult += shCoefficients[ 8 ] * 0.429043 * ( x * x - y * y );\n\treturn result;\n}\nvec3 getLightProbeIrradiance( const in vec3 lightProbe[ 9 ], const in GeometricContext geometry ) {\n\tvec3 worldNormal = inverseTransformDirection( geometry.normal, viewMatrix );\n\tvec3 irradiance = shGetIrradianceAt( worldNormal, lightProbe );\n\treturn irradiance;\n}\nvec3 getAmbientLightIrradiance( const in vec3 ambientLightColor ) {\n\tvec3 irradiance = ambientLightColor;\n\t#ifndef PHYSICALLY_CORRECT_LIGHTS\n\t\tirradiance *= PI;\n\t#endif\n\treturn irradiance;\n}\n#if NUM_DIR_LIGHTS > 0\n\tstruct DirectionalLight {\n\t\tvec3 direction;\n\t\tvec3 color;\n\t\tint shadow;\n\t\tfloat shadowBias;\n\t\tfloat shadowRadius;\n\t\tvec2 shadowMapSize;\n\t};\n\tuniform DirectionalLight directionalLights[ NUM_DIR_LIGHTS ];\n\tvoid getDirectionalDirectLightIrradiance( const in DirectionalLight directionalLight, const in GeometricContext geometry, out IncidentLight directLight ) {\n\t\tdirectLight.color = directionalLight.color;\n\t\tdirectLight.direction = directionalLight.direction;\n\t\tdirectLight.visible = true;\n\t}\n#endif\n#if NUM_POINT_LIGHTS > 0\n\tstruct PointLight {\n\t\tvec3 position;\n\t\tvec3 color;\n\t\tfloat distance;\n\t\tfloat decay;\n\t\tint shadow;\n\t\tfloat shadowBias;\n\t\tfloat shadowRadius;\n\t\tvec2 shadowMapSize;\n\t\tfloat shadowCameraNear;\n\t\tfloat shadowCameraFar;\n\t};\n\tuniform PointLight pointLights[ NUM_POINT_LIGHTS ];\n\tvoid getPointDirectLightIrradiance( const in PointLight pointLight, const in GeometricContext geometry, out IncidentLight directLight ) {\n\t\tvec3 lVector = pointLight.position - geometry.position;\n\t\tdirectLight.direction = normalize( lVector );\n\t\tfloat lightDistance = length( lVector );\n\t\tdirectLight.color = pointLight.color;\n\t\tdirectLight.color *= punctualLightIntensityToIrradianceFactor( lightDistance, pointLight.distance, pointLight.decay );\n\t\tdirectLight.visible = ( directLight.color != vec3( 0.0 ) );\n\t}\n#endif\n#if NUM_SPOT_LIGHTS > 0\n\tstruct SpotLight {\n\t\tvec3 position;\n\t\tvec3 direction;\n\t\tvec3 color;\n\t\tfloat distance;\n\t\tfloat decay;\n\t\tfloat coneCos;\n\t\tfloat penumbraCos;\n\t\tint shadow;\n\t\tfloat shadowBias;\n\t\tfloat shadowRadius;\n\t\tvec2 shadowMapSize;\n\t};\n\tuniform SpotLight spotLights[ NUM_SPOT_LIGHTS ];\n\tvoid getSpotDirectLightIrradiance( const in SpotLight spotLight, const in GeometricContext geometry, out IncidentLight directLight ) {\n\t\tvec3 lVector = spotLight.position - geometry.position;\n\t\tdirectLight.direction = normalize( lVector );\n\t\tfloat lightDistance = length( lVector );\n\t\tfloat angleCos = dot( directLight.direction, spotLight.direction );\n\t\tif ( angleCos > spotLight.coneCos ) {\n\t\t\tfloat spotEffect = smoothstep( spotLight.coneCos, spotLight.penumbraCos, angleCos );\n\t\t\tdirectLight.color = spotLight.color;\n\t\t\tdirectLight.color *= spotEffect * punctualLightIntensityToIrradianceFactor( lightDistance, spotLight.distance, spotLight.decay );\n\t\t\tdirectLight.visible = true;\n\t\t} else {\n\t\t\tdirectLight.color = vec3( 0.0 );\n\t\t\tdirectLight.visible = false;\n\t\t}\n\t}\n#endif\n#if NUM_RECT_AREA_LIGHTS > 0\n\tstruct RectAreaLight {\n\t\tvec3 color;\n\t\tvec3 position;\n\t\tvec3 halfWidth;\n\t\tvec3 halfHeight;\n\t};\n\tuniform sampler2D ltc_1;\tuniform sampler2D ltc_2;\n\tuniform RectAreaLight rectAreaLights[ NUM_RECT_AREA_LIGHTS ];\n#endif\n#if NUM_HEMI_LIGHTS > 0\n\tstruct HemisphereLight {\n\t\tvec3 direction;\n\t\tvec3 skyColor;\n\t\tvec3 groundColor;\n\t};\n\tuniform HemisphereLight hemisphereLights[ NUM_HEMI_LIGHTS ];\n\tvec3 getHemisphereLightIrradiance( const in HemisphereLight hemiLight, const in GeometricContext geometry ) {\n\t\tfloat dotNL = dot( geometry.normal, hemiLight.direction );\n\t\tfloat hemiDiffuseWeight = 0.5 * dotNL + 0.5;\n\t\tvec3 irradiance = mix( hemiLight.groundColor, hemiLight.skyColor, hemiDiffuseWeight );\n\t\t#ifndef PHYSICALLY_CORRECT_LIGHTS\n\t\t\tirradiance *= PI;\n\t\t#endif\n\t\treturn irradiance;\n\t}\n#endif"; - - var envmap_physical_pars_fragment = "#if defined( USE_ENVMAP )\n\t#ifdef ENVMAP_MODE_REFRACTION\n\t\tuniform float refractionRatio;\n\t#endif\n\tvec3 getLightProbeIndirectIrradiance( const in GeometricContext geometry, const in int maxMIPLevel ) {\n\t\tvec3 worldNormal = inverseTransformDirection( geometry.normal, viewMatrix );\n\t\t#ifdef ENVMAP_TYPE_CUBE\n\t\t\tvec3 queryVec = vec3( flipEnvMap * worldNormal.x, worldNormal.yz );\n\t\t\t#ifdef TEXTURE_LOD_EXT\n\t\t\t\tvec4 envMapColor = textureCubeLodEXT( envMap, queryVec, float( maxMIPLevel ) );\n\t\t\t#else\n\t\t\t\tvec4 envMapColor = textureCube( envMap, queryVec, float( maxMIPLevel ) );\n\t\t\t#endif\n\t\t\tenvMapColor.rgb = envMapTexelToLinear( envMapColor ).rgb;\n\t\t#elif defined( ENVMAP_TYPE_CUBE_UV )\n\t\t\tvec3 queryVec = vec3( flipEnvMap * worldNormal.x, worldNormal.yz );\n\t\t\tvec4 envMapColor = textureCubeUV( envMap, queryVec, 1.0 );\n\t\t#else\n\t\t\tvec4 envMapColor = vec4( 0.0 );\n\t\t#endif\n\t\treturn PI * envMapColor.rgb * envMapIntensity;\n\t}\n\tfloat getSpecularMIPLevel( const in float roughness, const in int maxMIPLevel ) {\n\t\tfloat maxMIPLevelScalar = float( maxMIPLevel );\n\t\tfloat sigma = PI * roughness * roughness / ( 1.0 + roughness );\n\t\tfloat desiredMIPLevel = maxMIPLevelScalar + log2( sigma );\n\t\treturn clamp( desiredMIPLevel, 0.0, maxMIPLevelScalar );\n\t}\n\tvec3 getLightProbeIndirectRadiance( const in vec3 viewDir, const in vec3 normal, const in float roughness, const in int maxMIPLevel ) {\n\t\t#ifdef ENVMAP_MODE_REFLECTION\n\t\t vec3 reflectVec = reflect( -viewDir, normal );\n\t\t reflectVec = normalize( mix( reflectVec, normal, roughness * roughness) );\n\t\t#else\n\t\t vec3 reflectVec = refract( -viewDir, normal, refractionRatio );\n\t\t#endif\n\t\treflectVec = inverseTransformDirection( reflectVec, viewMatrix );\n\t\tfloat specularMIPLevel = getSpecularMIPLevel( roughness, maxMIPLevel );\n\t\t#ifdef ENVMAP_TYPE_CUBE\n\t\t\tvec3 queryReflectVec = vec3( flipEnvMap * reflectVec.x, reflectVec.yz );\n\t\t\t#ifdef TEXTURE_LOD_EXT\n\t\t\t\tvec4 envMapColor = textureCubeLodEXT( envMap, queryReflectVec, specularMIPLevel );\n\t\t\t#else\n\t\t\t\tvec4 envMapColor = textureCube( envMap, queryReflectVec, specularMIPLevel );\n\t\t\t#endif\n\t\t\tenvMapColor.rgb = envMapTexelToLinear( envMapColor ).rgb;\n\t\t#elif defined( ENVMAP_TYPE_CUBE_UV )\n\t\t\tvec3 queryReflectVec = vec3( flipEnvMap * reflectVec.x, reflectVec.yz );\n\t\t\tvec4 envMapColor = textureCubeUV( envMap, queryReflectVec, roughness );\n\t\t#elif defined( ENVMAP_TYPE_EQUIREC )\n\t\t\tvec2 sampleUV;\n\t\t\tsampleUV.y = asin( clamp( reflectVec.y, - 1.0, 1.0 ) ) * RECIPROCAL_PI + 0.5;\n\t\t\tsampleUV.x = atan( reflectVec.z, reflectVec.x ) * RECIPROCAL_PI2 + 0.5;\n\t\t\t#ifdef TEXTURE_LOD_EXT\n\t\t\t\tvec4 envMapColor = texture2DLodEXT( envMap, sampleUV, specularMIPLevel );\n\t\t\t#else\n\t\t\t\tvec4 envMapColor = texture2D( envMap, sampleUV, specularMIPLevel );\n\t\t\t#endif\n\t\t\tenvMapColor.rgb = envMapTexelToLinear( envMapColor ).rgb;\n\t\t#elif defined( ENVMAP_TYPE_SPHERE )\n\t\t\tvec3 reflectView = normalize( ( viewMatrix * vec4( reflectVec, 0.0 ) ).xyz + vec3( 0.0,0.0,1.0 ) );\n\t\t\t#ifdef TEXTURE_LOD_EXT\n\t\t\t\tvec4 envMapColor = texture2DLodEXT( envMap, reflectView.xy * 0.5 + 0.5, specularMIPLevel );\n\t\t\t#else\n\t\t\t\tvec4 envMapColor = texture2D( envMap, reflectView.xy * 0.5 + 0.5, specularMIPLevel );\n\t\t\t#endif\n\t\t\tenvMapColor.rgb = envMapTexelToLinear( envMapColor ).rgb;\n\t\t#endif\n\t\treturn envMapColor.rgb * envMapIntensity;\n\t}\n#endif"; - - var lights_phong_fragment = "BlinnPhongMaterial material;\nmaterial.diffuseColor = diffuseColor.rgb;\nmaterial.specularColor = specular;\nmaterial.specularShininess = shininess;\nmaterial.specularStrength = specularStrength;"; - - var lights_phong_pars_fragment = "varying vec3 vViewPosition;\n#ifndef FLAT_SHADED\n\tvarying vec3 vNormal;\n#endif\nstruct BlinnPhongMaterial {\n\tvec3\tdiffuseColor;\n\tvec3\tspecularColor;\n\tfloat\tspecularShininess;\n\tfloat\tspecularStrength;\n};\nvoid RE_Direct_BlinnPhong( const in IncidentLight directLight, const in GeometricContext geometry, const in BlinnPhongMaterial material, inout ReflectedLight reflectedLight ) {\n\t#ifdef TOON\n\t\tvec3 irradiance = getGradientIrradiance( geometry.normal, directLight.direction ) * directLight.color;\n\t#else\n\t\tfloat dotNL = saturate( dot( geometry.normal, directLight.direction ) );\n\t\tvec3 irradiance = dotNL * directLight.color;\n\t#endif\n\t#ifndef PHYSICALLY_CORRECT_LIGHTS\n\t\tirradiance *= PI;\n\t#endif\n\treflectedLight.directDiffuse += irradiance * BRDF_Diffuse_Lambert( material.diffuseColor );\n\treflectedLight.directSpecular += irradiance * BRDF_Specular_BlinnPhong( directLight, geometry, material.specularColor, material.specularShininess ) * material.specularStrength;\n}\nvoid RE_IndirectDiffuse_BlinnPhong( const in vec3 irradiance, const in GeometricContext geometry, const in BlinnPhongMaterial material, inout ReflectedLight reflectedLight ) {\n\treflectedLight.indirectDiffuse += irradiance * BRDF_Diffuse_Lambert( material.diffuseColor );\n}\n#define RE_Direct\t\t\t\tRE_Direct_BlinnPhong\n#define RE_IndirectDiffuse\t\tRE_IndirectDiffuse_BlinnPhong\n#define Material_LightProbeLOD( material )\t(0)"; - - var lights_physical_fragment = "PhysicalMaterial material;\nmaterial.diffuseColor = diffuseColor.rgb * ( 1.0 - metalnessFactor );\nmaterial.specularRoughness = clamp( roughnessFactor, 0.04, 1.0 );\n#ifdef REFLECTIVITY\n\tmaterial.specularColor = mix( vec3( MAXIMUM_SPECULAR_COEFFICIENT * pow2( reflectivity ) ), diffuseColor.rgb, metalnessFactor );\n#else\n\tmaterial.specularColor = mix( vec3( DEFAULT_SPECULAR_COEFFICIENT ), diffuseColor.rgb, metalnessFactor );\n#endif\n#ifdef CLEARCOAT\n\tmaterial.clearcoat = saturate( clearcoat );\tmaterial.clearcoatRoughness = clamp( clearcoatRoughness, 0.04, 1.0 );\n#endif\n#ifdef USE_SHEEN\n\tmaterial.sheenColor = sheen;\n#endif"; - - var lights_physical_pars_fragment = "struct PhysicalMaterial {\n\tvec3\tdiffuseColor;\n\tfloat\tspecularRoughness;\n\tvec3\tspecularColor;\n#ifdef CLEARCOAT\n\tfloat clearcoat;\n\tfloat clearcoatRoughness;\n#endif\n#ifdef USE_SHEEN\n\tvec3 sheenColor;\n#endif\n};\n#define MAXIMUM_SPECULAR_COEFFICIENT 0.16\n#define DEFAULT_SPECULAR_COEFFICIENT 0.04\nfloat clearcoatDHRApprox( const in float roughness, const in float dotNL ) {\n\treturn DEFAULT_SPECULAR_COEFFICIENT + ( 1.0 - DEFAULT_SPECULAR_COEFFICIENT ) * ( pow( 1.0 - dotNL, 5.0 ) * pow( 1.0 - roughness, 2.0 ) );\n}\n#if NUM_RECT_AREA_LIGHTS > 0\n\tvoid RE_Direct_RectArea_Physical( const in RectAreaLight rectAreaLight, const in GeometricContext geometry, const in PhysicalMaterial material, inout ReflectedLight reflectedLight ) {\n\t\tvec3 normal = geometry.normal;\n\t\tvec3 viewDir = geometry.viewDir;\n\t\tvec3 position = geometry.position;\n\t\tvec3 lightPos = rectAreaLight.position;\n\t\tvec3 halfWidth = rectAreaLight.halfWidth;\n\t\tvec3 halfHeight = rectAreaLight.halfHeight;\n\t\tvec3 lightColor = rectAreaLight.color;\n\t\tfloat roughness = material.specularRoughness;\n\t\tvec3 rectCoords[ 4 ];\n\t\trectCoords[ 0 ] = lightPos + halfWidth - halfHeight;\t\trectCoords[ 1 ] = lightPos - halfWidth - halfHeight;\n\t\trectCoords[ 2 ] = lightPos - halfWidth + halfHeight;\n\t\trectCoords[ 3 ] = lightPos + halfWidth + halfHeight;\n\t\tvec2 uv = LTC_Uv( normal, viewDir, roughness );\n\t\tvec4 t1 = texture2D( ltc_1, uv );\n\t\tvec4 t2 = texture2D( ltc_2, uv );\n\t\tmat3 mInv = mat3(\n\t\t\tvec3( t1.x, 0, t1.y ),\n\t\t\tvec3( 0, 1, 0 ),\n\t\t\tvec3( t1.z, 0, t1.w )\n\t\t);\n\t\tvec3 fresnel = ( material.specularColor * t2.x + ( vec3( 1.0 ) - material.specularColor ) * t2.y );\n\t\treflectedLight.directSpecular += lightColor * fresnel * LTC_Evaluate( normal, viewDir, position, mInv, rectCoords );\n\t\treflectedLight.directDiffuse += lightColor * material.diffuseColor * LTC_Evaluate( normal, viewDir, position, mat3( 1.0 ), rectCoords );\n\t}\n#endif\nvoid RE_Direct_Physical( const in IncidentLight directLight, const in GeometricContext geometry, const in PhysicalMaterial material, inout ReflectedLight reflectedLight ) {\n\tfloat dotNL = saturate( dot( geometry.normal, directLight.direction ) );\n\tvec3 irradiance = dotNL * directLight.color;\n\t#ifndef PHYSICALLY_CORRECT_LIGHTS\n\t\tirradiance *= PI;\n\t#endif\n\t#ifdef CLEARCOAT\n\t\tfloat ccDotNL = saturate( dot( geometry.clearcoatNormal, directLight.direction ) );\n\t\tvec3 ccIrradiance = ccDotNL * directLight.color;\n\t\t#ifndef PHYSICALLY_CORRECT_LIGHTS\n\t\t\tccIrradiance *= PI;\n\t\t#endif\n\t\tfloat clearcoatDHR = material.clearcoat * clearcoatDHRApprox( material.clearcoatRoughness, ccDotNL );\n\t\treflectedLight.directSpecular += ccIrradiance * material.clearcoat * BRDF_Specular_GGX( directLight, geometry.viewDir, geometry.clearcoatNormal, vec3( DEFAULT_SPECULAR_COEFFICIENT ), material.clearcoatRoughness );\n\t#else\n\t\tfloat clearcoatDHR = 0.0;\n\t#endif\n\t#ifdef USE_SHEEN\n\t\treflectedLight.directSpecular += ( 1.0 - clearcoatDHR ) * irradiance * BRDF_Specular_Sheen(\n\t\t\tmaterial.specularRoughness,\n\t\t\tdirectLight.direction,\n\t\t\tgeometry,\n\t\t\tmaterial.sheenColor\n\t\t);\n\t#else\n\t\treflectedLight.directSpecular += ( 1.0 - clearcoatDHR ) * irradiance * BRDF_Specular_GGX( directLight, geometry.viewDir, geometry.normal, material.specularColor, material.specularRoughness);\n\t#endif\n\treflectedLight.directDiffuse += ( 1.0 - clearcoatDHR ) * irradiance * BRDF_Diffuse_Lambert( material.diffuseColor );\n}\nvoid RE_IndirectDiffuse_Physical( const in vec3 irradiance, const in GeometricContext geometry, const in PhysicalMaterial material, inout ReflectedLight reflectedLight ) {\n\treflectedLight.indirectDiffuse += irradiance * BRDF_Diffuse_Lambert( material.diffuseColor );\n}\nvoid RE_IndirectSpecular_Physical( const in vec3 radiance, const in vec3 irradiance, const in vec3 clearcoatRadiance, const in GeometricContext geometry, const in PhysicalMaterial material, inout ReflectedLight reflectedLight) {\n\t#ifdef CLEARCOAT\n\t\tfloat ccDotNV = saturate( dot( geometry.clearcoatNormal, geometry.viewDir ) );\n\t\treflectedLight.indirectSpecular += clearcoatRadiance * material.clearcoat * BRDF_Specular_GGX_Environment( geometry.viewDir, geometry.clearcoatNormal, vec3( DEFAULT_SPECULAR_COEFFICIENT ), material.clearcoatRoughness );\n\t\tfloat ccDotNL = ccDotNV;\n\t\tfloat clearcoatDHR = material.clearcoat * clearcoatDHRApprox( material.clearcoatRoughness, ccDotNL );\n\t#else\n\t\tfloat clearcoatDHR = 0.0;\n\t#endif\n\tfloat clearcoatInv = 1.0 - clearcoatDHR;\n\tvec3 singleScattering = vec3( 0.0 );\n\tvec3 multiScattering = vec3( 0.0 );\n\tvec3 cosineWeightedIrradiance = irradiance * RECIPROCAL_PI;\n\tBRDF_Specular_Multiscattering_Environment( geometry, material.specularColor, material.specularRoughness, singleScattering, multiScattering );\n\tvec3 diffuse = material.diffuseColor * ( 1.0 - ( singleScattering + multiScattering ) );\n\treflectedLight.indirectSpecular += clearcoatInv * radiance * singleScattering;\n\treflectedLight.indirectDiffuse += multiScattering * cosineWeightedIrradiance;\n\treflectedLight.indirectDiffuse += diffuse * cosineWeightedIrradiance;\n}\n#define RE_Direct\t\t\t\tRE_Direct_Physical\n#define RE_Direct_RectArea\t\tRE_Direct_RectArea_Physical\n#define RE_IndirectDiffuse\t\tRE_IndirectDiffuse_Physical\n#define RE_IndirectSpecular\t\tRE_IndirectSpecular_Physical\nfloat computeSpecularOcclusion( const in float dotNV, const in float ambientOcclusion, const in float roughness ) {\n\treturn saturate( pow( dotNV + ambientOcclusion, exp2( - 16.0 * roughness - 1.0 ) ) - 1.0 + ambientOcclusion );\n}"; - - var lights_fragment_begin = "\nGeometricContext geometry;\ngeometry.position = - vViewPosition;\ngeometry.normal = normal;\ngeometry.viewDir = normalize( vViewPosition );\n#ifdef CLEARCOAT\n\tgeometry.clearcoatNormal = clearcoatNormal;\n#endif\nIncidentLight directLight;\n#if ( NUM_POINT_LIGHTS > 0 ) && defined( RE_Direct )\n\tPointLight pointLight;\n\t#pragma unroll_loop\n\tfor ( int i = 0; i < NUM_POINT_LIGHTS; i ++ ) {\n\t\tpointLight = pointLights[ i ];\n\t\tgetPointDirectLightIrradiance( pointLight, geometry, directLight );\n\t\t#if defined( USE_SHADOWMAP ) && ( UNROLLED_LOOP_INDEX < NUM_POINT_LIGHT_SHADOWS )\n\t\tdirectLight.color *= all( bvec2( pointLight.shadow, directLight.visible ) ) ? getPointShadow( pointShadowMap[ i ], pointLight.shadowMapSize, pointLight.shadowBias, pointLight.shadowRadius, vPointShadowCoord[ i ], pointLight.shadowCameraNear, pointLight.shadowCameraFar ) : 1.0;\n\t\t#endif\n\t\tRE_Direct( directLight, geometry, material, reflectedLight );\n\t}\n#endif\n#if ( NUM_SPOT_LIGHTS > 0 ) && defined( RE_Direct )\n\tSpotLight spotLight;\n\t#pragma unroll_loop\n\tfor ( int i = 0; i < NUM_SPOT_LIGHTS; i ++ ) {\n\t\tspotLight = spotLights[ i ];\n\t\tgetSpotDirectLightIrradiance( spotLight, geometry, directLight );\n\t\t#if defined( USE_SHADOWMAP ) && ( UNROLLED_LOOP_INDEX < NUM_SPOT_LIGHT_SHADOWS )\n\t\tdirectLight.color *= all( bvec2( spotLight.shadow, directLight.visible ) ) ? getShadow( spotShadowMap[ i ], spotLight.shadowMapSize, spotLight.shadowBias, spotLight.shadowRadius, vSpotShadowCoord[ i ] ) : 1.0;\n\t\t#endif\n\t\tRE_Direct( directLight, geometry, material, reflectedLight );\n\t}\n#endif\n#if ( NUM_DIR_LIGHTS > 0 ) && defined( RE_Direct )\n\tDirectionalLight directionalLight;\n\t#pragma unroll_loop\n\tfor ( int i = 0; i < NUM_DIR_LIGHTS; i ++ ) {\n\t\tdirectionalLight = directionalLights[ i ];\n\t\tgetDirectionalDirectLightIrradiance( directionalLight, geometry, directLight );\n\t\t#if defined( USE_SHADOWMAP ) && ( UNROLLED_LOOP_INDEX < NUM_DIR_LIGHT_SHADOWS )\n\t\tdirectLight.color *= all( bvec2( directionalLight.shadow, directLight.visible ) ) ? getShadow( directionalShadowMap[ i ], directionalLight.shadowMapSize, directionalLight.shadowBias, directionalLight.shadowRadius, vDirectionalShadowCoord[ i ] ) : 1.0;\n\t\t#endif\n\t\tRE_Direct( directLight, geometry, material, reflectedLight );\n\t}\n#endif\n#if ( NUM_RECT_AREA_LIGHTS > 0 ) && defined( RE_Direct_RectArea )\n\tRectAreaLight rectAreaLight;\n\t#pragma unroll_loop\n\tfor ( int i = 0; i < NUM_RECT_AREA_LIGHTS; i ++ ) {\n\t\trectAreaLight = rectAreaLights[ i ];\n\t\tRE_Direct_RectArea( rectAreaLight, geometry, material, reflectedLight );\n\t}\n#endif\n#if defined( RE_IndirectDiffuse )\n\tvec3 iblIrradiance = vec3( 0.0 );\n\tvec3 irradiance = getAmbientLightIrradiance( ambientLightColor );\n\tirradiance += getLightProbeIrradiance( lightProbe, geometry );\n\t#if ( NUM_HEMI_LIGHTS > 0 )\n\t\t#pragma unroll_loop\n\t\tfor ( int i = 0; i < NUM_HEMI_LIGHTS; i ++ ) {\n\t\t\tirradiance += getHemisphereLightIrradiance( hemisphereLights[ i ], geometry );\n\t\t}\n\t#endif\n#endif\n#if defined( RE_IndirectSpecular )\n\tvec3 radiance = vec3( 0.0 );\n\tvec3 clearcoatRadiance = vec3( 0.0 );\n#endif"; - - var lights_fragment_maps = "#if defined( RE_IndirectDiffuse )\n\t#ifdef USE_LIGHTMAP\n\t\tvec3 lightMapIrradiance = texture2D( lightMap, vUv2 ).xyz * lightMapIntensity;\n\t\t#ifndef PHYSICALLY_CORRECT_LIGHTS\n\t\t\tlightMapIrradiance *= PI;\n\t\t#endif\n\t\tirradiance += lightMapIrradiance;\n\t#endif\n\t#if defined( USE_ENVMAP ) && defined( STANDARD ) && defined( ENVMAP_TYPE_CUBE_UV )\n\t\tiblIrradiance += getLightProbeIndirectIrradiance( geometry, maxMipLevel );\n\t#endif\n#endif\n#if defined( USE_ENVMAP ) && defined( RE_IndirectSpecular )\n\tradiance += getLightProbeIndirectRadiance( geometry.viewDir, geometry.normal, material.specularRoughness, maxMipLevel );\n\t#ifdef CLEARCOAT\n\t\tclearcoatRadiance += getLightProbeIndirectRadiance( geometry.viewDir, geometry.clearcoatNormal, material.clearcoatRoughness, maxMipLevel );\n\t#endif\n#endif"; - - var lights_fragment_end = "#if defined( RE_IndirectDiffuse )\n\tRE_IndirectDiffuse( irradiance, geometry, material, reflectedLight );\n#endif\n#if defined( RE_IndirectSpecular )\n\tRE_IndirectSpecular( radiance, iblIrradiance, clearcoatRadiance, geometry, material, reflectedLight );\n#endif"; - - var logdepthbuf_fragment = "#if defined( USE_LOGDEPTHBUF ) && defined( USE_LOGDEPTHBUF_EXT )\n\tgl_FragDepthEXT = log2( vFragDepth ) * logDepthBufFC * 0.5;\n#endif"; - - var logdepthbuf_pars_fragment = "#if defined( USE_LOGDEPTHBUF ) && defined( USE_LOGDEPTHBUF_EXT )\n\tuniform float logDepthBufFC;\n\tvarying float vFragDepth;\n#endif"; - - var logdepthbuf_pars_vertex = "#ifdef USE_LOGDEPTHBUF\n\t#ifdef USE_LOGDEPTHBUF_EXT\n\t\tvarying float vFragDepth;\n\t#else\n\t\tuniform float logDepthBufFC;\n\t#endif\n#endif"; - - var logdepthbuf_vertex = "#ifdef USE_LOGDEPTHBUF\n\t#ifdef USE_LOGDEPTHBUF_EXT\n\t\tvFragDepth = 1.0 + gl_Position.w;\n\t#else\n\t\tgl_Position.z = log2( max( EPSILON, gl_Position.w + 1.0 ) ) * logDepthBufFC - 1.0;\n\t\tgl_Position.z *= gl_Position.w;\n\t#endif\n#endif"; - - var map_fragment = "#ifdef USE_MAP\n\tvec4 texelColor = texture2D( map, vUv );\n\ttexelColor = mapTexelToLinear( texelColor );\n\tdiffuseColor *= texelColor;\n#endif"; - - var map_pars_fragment = "#ifdef USE_MAP\n\tuniform sampler2D map;\n#endif"; - - var map_particle_fragment = "#ifdef USE_MAP\n\tvec2 uv = ( uvTransform * vec3( gl_PointCoord.x, 1.0 - gl_PointCoord.y, 1 ) ).xy;\n\tvec4 mapTexel = texture2D( map, uv );\n\tdiffuseColor *= mapTexelToLinear( mapTexel );\n#endif"; - - var map_particle_pars_fragment = "#ifdef USE_MAP\n\tuniform mat3 uvTransform;\n\tuniform sampler2D map;\n#endif"; - - var metalnessmap_fragment = "float metalnessFactor = metalness;\n#ifdef USE_METALNESSMAP\n\tvec4 texelMetalness = texture2D( metalnessMap, vUv );\n\tmetalnessFactor *= texelMetalness.b;\n#endif"; - - var metalnessmap_pars_fragment = "#ifdef USE_METALNESSMAP\n\tuniform sampler2D metalnessMap;\n#endif"; - - var morphnormal_vertex = "#ifdef USE_MORPHNORMALS\n\tobjectNormal += ( morphNormal0 - normal ) * morphTargetInfluences[ 0 ];\n\tobjectNormal += ( morphNormal1 - normal ) * morphTargetInfluences[ 1 ];\n\tobjectNormal += ( morphNormal2 - normal ) * morphTargetInfluences[ 2 ];\n\tobjectNormal += ( morphNormal3 - normal ) * morphTargetInfluences[ 3 ];\n#endif"; - - var morphtarget_pars_vertex = "#ifdef USE_MORPHTARGETS\n\t#ifndef USE_MORPHNORMALS\n\tuniform float morphTargetInfluences[ 8 ];\n\t#else\n\tuniform float morphTargetInfluences[ 4 ];\n\t#endif\n#endif"; - - var morphtarget_vertex = "#ifdef USE_MORPHTARGETS\n\ttransformed += ( morphTarget0 - position ) * morphTargetInfluences[ 0 ];\n\ttransformed += ( morphTarget1 - position ) * morphTargetInfluences[ 1 ];\n\ttransformed += ( morphTarget2 - position ) * morphTargetInfluences[ 2 ];\n\ttransformed += ( morphTarget3 - position ) * morphTargetInfluences[ 3 ];\n\t#ifndef USE_MORPHNORMALS\n\ttransformed += ( morphTarget4 - position ) * morphTargetInfluences[ 4 ];\n\ttransformed += ( morphTarget5 - position ) * morphTargetInfluences[ 5 ];\n\ttransformed += ( morphTarget6 - position ) * morphTargetInfluences[ 6 ];\n\ttransformed += ( morphTarget7 - position ) * morphTargetInfluences[ 7 ];\n\t#endif\n#endif"; - - var normal_fragment_begin = "#ifdef FLAT_SHADED\n\tvec3 fdx = vec3( dFdx( vViewPosition.x ), dFdx( vViewPosition.y ), dFdx( vViewPosition.z ) );\n\tvec3 fdy = vec3( dFdy( vViewPosition.x ), dFdy( vViewPosition.y ), dFdy( vViewPosition.z ) );\n\tvec3 normal = normalize( cross( fdx, fdy ) );\n#else\n\tvec3 normal = normalize( vNormal );\n\t#ifdef DOUBLE_SIDED\n\t\tnormal = normal * ( float( gl_FrontFacing ) * 2.0 - 1.0 );\n\t#endif\n\t#ifdef USE_TANGENT\n\t\tvec3 tangent = normalize( vTangent );\n\t\tvec3 bitangent = normalize( vBitangent );\n\t\t#ifdef DOUBLE_SIDED\n\t\t\ttangent = tangent * ( float( gl_FrontFacing ) * 2.0 - 1.0 );\n\t\t\tbitangent = bitangent * ( float( gl_FrontFacing ) * 2.0 - 1.0 );\n\t\t#endif\n\t#endif\n#endif\nvec3 geometryNormal = normal;"; - - var normal_fragment_maps = "#ifdef OBJECTSPACE_NORMALMAP\n\tnormal = texture2D( normalMap, vUv ).xyz * 2.0 - 1.0;\n\t#ifdef FLIP_SIDED\n\t\tnormal = - normal;\n\t#endif\n\t#ifdef DOUBLE_SIDED\n\t\tnormal = normal * ( float( gl_FrontFacing ) * 2.0 - 1.0 );\n\t#endif\n\tnormal = normalize( normalMatrix * normal );\n#elif defined( TANGENTSPACE_NORMALMAP )\n\t#ifdef USE_TANGENT\n\t\tmat3 vTBN = mat3( tangent, bitangent, normal );\n\t\tvec3 mapN = texture2D( normalMap, vUv ).xyz * 2.0 - 1.0;\n\t\tmapN.xy = normalScale * mapN.xy;\n\t\tnormal = normalize( vTBN * mapN );\n\t#else\n\t\tnormal = perturbNormal2Arb( -vViewPosition, normal, normalScale, normalMap );\n\t#endif\n#elif defined( USE_BUMPMAP )\n\tnormal = perturbNormalArb( -vViewPosition, normal, dHdxy_fwd() );\n#endif"; - - var normalmap_pars_fragment = "#ifdef USE_NORMALMAP\n\tuniform sampler2D normalMap;\n\tuniform vec2 normalScale;\n#endif\n#ifdef OBJECTSPACE_NORMALMAP\n\tuniform mat3 normalMatrix;\n#endif\n#if ! defined ( USE_TANGENT ) && ( defined ( TANGENTSPACE_NORMALMAP ) || defined ( USE_CLEARCOAT_NORMALMAP ) )\n\tvec3 perturbNormal2Arb( vec3 eye_pos, vec3 surf_norm, vec2 normalScale, in sampler2D normalMap ) {\n\t\tvec3 q0 = vec3( dFdx( eye_pos.x ), dFdx( eye_pos.y ), dFdx( eye_pos.z ) );\n\t\tvec3 q1 = vec3( dFdy( eye_pos.x ), dFdy( eye_pos.y ), dFdy( eye_pos.z ) );\n\t\tvec2 st0 = dFdx( vUv.st );\n\t\tvec2 st1 = dFdy( vUv.st );\n\t\tfloat scale = sign( st1.t * st0.s - st0.t * st1.s );\n\t\tvec3 S = normalize( ( q0 * st1.t - q1 * st0.t ) * scale );\n\t\tvec3 T = normalize( ( - q0 * st1.s + q1 * st0.s ) * scale );\n\t\tvec3 N = normalize( surf_norm );\n\t\tvec3 mapN = texture2D( normalMap, vUv ).xyz * 2.0 - 1.0;\n\t\tmapN.xy *= normalScale;\n\t\t#ifdef DOUBLE_SIDED\n\t\t\tvec3 NfromST = cross( S, T );\n\t\t\tif( dot( NfromST, N ) > 0.0 ) {\n\t\t\t\tS *= -1.0;\n\t\t\t\tT *= -1.0;\n\t\t\t}\n\t\t#else\n\t\t\tmapN.xy *= ( float( gl_FrontFacing ) * 2.0 - 1.0 );\n\t\t#endif\n\t\tmat3 tsn = mat3( S, T, N );\n\t\treturn normalize( tsn * mapN );\n\t}\n#endif"; - - var clearcoat_normal_fragment_begin = "#ifdef CLEARCOAT\n\tvec3 clearcoatNormal = geometryNormal;\n#endif"; - - var clearcoat_normal_fragment_maps = "#ifdef USE_CLEARCOAT_NORMALMAP\n\t#ifdef USE_TANGENT\n\t\tmat3 vTBN = mat3( tangent, bitangent, clearcoatNormal );\n\t\tvec3 mapN = texture2D( normalMap, vUv ).xyz * 2.0 - 1.0;\n\t\tmapN.xy = clearcoatNormalScale * mapN.xy;\n\t\tclearcoatNormal = normalize( vTBN * mapN );\n\t#else\n\t\tclearcoatNormal = perturbNormal2Arb( - vViewPosition, clearcoatNormal, clearcoatNormalScale, clearcoatNormalMap );\n\t#endif\n#endif"; - - var clearcoat_normalmap_pars_fragment = "#ifdef USE_CLEARCOAT_NORMALMAP\n\tuniform sampler2D clearcoatNormalMap;\n\tuniform vec2 clearcoatNormalScale;\n#endif"; - - var packing = "vec3 packNormalToRGB( const in vec3 normal ) {\n\treturn normalize( normal ) * 0.5 + 0.5;\n}\nvec3 unpackRGBToNormal( const in vec3 rgb ) {\n\treturn 2.0 * rgb.xyz - 1.0;\n}\nconst float PackUpscale = 256. / 255.;const float UnpackDownscale = 255. / 256.;\nconst vec3 PackFactors = vec3( 256. * 256. * 256., 256. * 256., 256. );\nconst vec4 UnpackFactors = UnpackDownscale / vec4( PackFactors, 1. );\nconst float ShiftRight8 = 1. / 256.;\nvec4 packDepthToRGBA( const in float v ) {\n\tvec4 r = vec4( fract( v * PackFactors ), v );\n\tr.yzw -= r.xyz * ShiftRight8;\treturn r * PackUpscale;\n}\nfloat unpackRGBAToDepth( const in vec4 v ) {\n\treturn dot( v, UnpackFactors );\n}\nvec4 encodeHalfRGBA ( vec2 v ) {\n\tvec4 encoded = vec4( 0.0 );\n\tconst vec2 offset = vec2( 1.0 / 255.0, 0.0 );\n\tencoded.xy = vec2( v.x, fract( v.x * 255.0 ) );\n\tencoded.xy = encoded.xy - ( encoded.yy * offset );\n\tencoded.zw = vec2( v.y, fract( v.y * 255.0 ) );\n\tencoded.zw = encoded.zw - ( encoded.ww * offset );\n\treturn encoded;\n}\nvec2 decodeHalfRGBA( vec4 v ) {\n\treturn vec2( v.x + ( v.y / 255.0 ), v.z + ( v.w / 255.0 ) );\n}\nfloat viewZToOrthographicDepth( const in float viewZ, const in float near, const in float far ) {\n\treturn ( viewZ + near ) / ( near - far );\n}\nfloat orthographicDepthToViewZ( const in float linearClipZ, const in float near, const in float far ) {\n\treturn linearClipZ * ( near - far ) - near;\n}\nfloat viewZToPerspectiveDepth( const in float viewZ, const in float near, const in float far ) {\n\treturn (( near + viewZ ) * far ) / (( far - near ) * viewZ );\n}\nfloat perspectiveDepthToViewZ( const in float invClipZ, const in float near, const in float far ) {\n\treturn ( near * far ) / ( ( far - near ) * invClipZ - far );\n}"; - - var premultiplied_alpha_fragment = "#ifdef PREMULTIPLIED_ALPHA\n\tgl_FragColor.rgb *= gl_FragColor.a;\n#endif"; - - var project_vertex = "vec4 mvPosition = modelViewMatrix * vec4( transformed, 1.0 );\ngl_Position = projectionMatrix * mvPosition;"; - - var dithering_fragment = "#ifdef DITHERING\n\tgl_FragColor.rgb = dithering( gl_FragColor.rgb );\n#endif"; - - var dithering_pars_fragment = "#ifdef DITHERING\n\tvec3 dithering( vec3 color ) {\n\t\tfloat grid_position = rand( gl_FragCoord.xy );\n\t\tvec3 dither_shift_RGB = vec3( 0.25 / 255.0, -0.25 / 255.0, 0.25 / 255.0 );\n\t\tdither_shift_RGB = mix( 2.0 * dither_shift_RGB, -2.0 * dither_shift_RGB, grid_position );\n\t\treturn color + dither_shift_RGB;\n\t}\n#endif"; - - var roughnessmap_fragment = "float roughnessFactor = roughness;\n#ifdef USE_ROUGHNESSMAP\n\tvec4 texelRoughness = texture2D( roughnessMap, vUv );\n\troughnessFactor *= texelRoughness.g;\n#endif"; - - var roughnessmap_pars_fragment = "#ifdef USE_ROUGHNESSMAP\n\tuniform sampler2D roughnessMap;\n#endif"; - - var shadowmap_pars_fragment = "#ifdef USE_SHADOWMAP\n\t#if NUM_DIR_LIGHT_SHADOWS > 0\n\t\tuniform sampler2D directionalShadowMap[ NUM_DIR_LIGHT_SHADOWS ];\n\t\tvarying vec4 vDirectionalShadowCoord[ NUM_DIR_LIGHT_SHADOWS ];\n\t#endif\n\t#if NUM_SPOT_LIGHT_SHADOWS > 0\n\t\tuniform sampler2D spotShadowMap[ NUM_SPOT_LIGHT_SHADOWS ];\n\t\tvarying vec4 vSpotShadowCoord[ NUM_SPOT_LIGHT_SHADOWS ];\n\t#endif\n\t#if NUM_POINT_LIGHT_SHADOWS > 0\n\t\tuniform sampler2D pointShadowMap[ NUM_POINT_LIGHT_SHADOWS ];\n\t\tvarying vec4 vPointShadowCoord[ NUM_POINT_LIGHT_SHADOWS ];\n\t#endif\n\tfloat texture2DCompare( sampler2D depths, vec2 uv, float compare ) {\n\t\treturn step( compare, unpackRGBAToDepth( texture2D( depths, uv ) ) );\n\t}\n\tvec2 texture2DDistribution( sampler2D shadow, vec2 uv ) {\n\t\treturn decodeHalfRGBA( texture2D( shadow, uv ) );\n\t}\n\tfloat VSMShadow (sampler2D shadow, vec2 uv, float compare ){\n\t\tfloat occlusion = 1.0;\n\t\tvec2 distribution = texture2DDistribution( shadow, uv );\n\t\tfloat hard_shadow = step( compare , distribution.x );\n\t\tif (hard_shadow != 1.0 ) {\n\t\t\tfloat distance = compare - distribution.x ;\n\t\t\tfloat variance = max( 0.00000, distribution.y * distribution.y );\n\t\t\tfloat softness_probability = variance / (variance + distance * distance );\t\t\tsoftness_probability = clamp( ( softness_probability - 0.3 ) / ( 0.95 - 0.3 ), 0.0, 1.0 );\t\t\tocclusion = clamp( max( hard_shadow, softness_probability ), 0.0, 1.0 );\n\t\t}\n\t\treturn occlusion;\n\t}\n\tfloat texture2DShadowLerp( sampler2D depths, vec2 size, vec2 uv, float compare ) {\n\t\tconst vec2 offset = vec2( 0.0, 1.0 );\n\t\tvec2 texelSize = vec2( 1.0 ) / size;\n\t\tvec2 centroidUV = ( floor( uv * size - 0.5 ) + 0.5 ) * texelSize;\n\t\tfloat lb = texture2DCompare( depths, centroidUV + texelSize * offset.xx, compare );\n\t\tfloat lt = texture2DCompare( depths, centroidUV + texelSize * offset.xy, compare );\n\t\tfloat rb = texture2DCompare( depths, centroidUV + texelSize * offset.yx, compare );\n\t\tfloat rt = texture2DCompare( depths, centroidUV + texelSize * offset.yy, compare );\n\t\tvec2 f = fract( uv * size + 0.5 );\n\t\tfloat a = mix( lb, lt, f.y );\n\t\tfloat b = mix( rb, rt, f.y );\n\t\tfloat c = mix( a, b, f.x );\n\t\treturn c;\n\t}\n\tfloat getShadow( sampler2D shadowMap, vec2 shadowMapSize, float shadowBias, float shadowRadius, vec4 shadowCoord ) {\n\t\tfloat shadow = 1.0;\n\t\tshadowCoord.xyz /= shadowCoord.w;\n\t\tshadowCoord.z += shadowBias;\n\t\tbvec4 inFrustumVec = bvec4 ( shadowCoord.x >= 0.0, shadowCoord.x <= 1.0, shadowCoord.y >= 0.0, shadowCoord.y <= 1.0 );\n\t\tbool inFrustum = all( inFrustumVec );\n\t\tbvec2 frustumTestVec = bvec2( inFrustum, shadowCoord.z <= 1.0 );\n\t\tbool frustumTest = all( frustumTestVec );\n\t\tif ( frustumTest ) {\n\t\t#if defined( SHADOWMAP_TYPE_PCF )\n\t\t\tvec2 texelSize = vec2( 1.0 ) / shadowMapSize;\n\t\t\tfloat dx0 = - texelSize.x * shadowRadius;\n\t\t\tfloat dy0 = - texelSize.y * shadowRadius;\n\t\t\tfloat dx1 = + texelSize.x * shadowRadius;\n\t\t\tfloat dy1 = + texelSize.y * shadowRadius;\n\t\t\tfloat dx2 = dx0 / 2.0;\n\t\t\tfloat dy2 = dy0 / 2.0;\n\t\t\tfloat dx3 = dx1 / 2.0;\n\t\t\tfloat dy3 = dy1 / 2.0;\n\t\t\tshadow = (\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx0, dy0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( 0.0, dy0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx1, dy0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx2, dy2 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( 0.0, dy2 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx3, dy2 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx0, 0.0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx2, 0.0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy, shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx3, 0.0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx1, 0.0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx2, dy3 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( 0.0, dy3 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx3, dy3 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx0, dy1 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( 0.0, dy1 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx1, dy1 ), shadowCoord.z )\n\t\t\t) * ( 1.0 / 17.0 );\n\t\t#elif defined( SHADOWMAP_TYPE_PCF_SOFT )\n\t\t\tvec2 texelSize = vec2( 1.0 ) / shadowMapSize;\n\t\t\tfloat dx0 = - texelSize.x * shadowRadius;\n\t\t\tfloat dy0 = - texelSize.y * shadowRadius;\n\t\t\tfloat dx1 = + texelSize.x * shadowRadius;\n\t\t\tfloat dy1 = + texelSize.y * shadowRadius;\n\t\t\tshadow = (\n\t\t\t\ttexture2DShadowLerp( shadowMap, shadowMapSize, shadowCoord.xy + vec2( dx0, dy0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DShadowLerp( shadowMap, shadowMapSize, shadowCoord.xy + vec2( 0.0, dy0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DShadowLerp( shadowMap, shadowMapSize, shadowCoord.xy + vec2( dx1, dy0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DShadowLerp( shadowMap, shadowMapSize, shadowCoord.xy + vec2( dx0, 0.0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DShadowLerp( shadowMap, shadowMapSize, shadowCoord.xy, shadowCoord.z ) +\n\t\t\t\ttexture2DShadowLerp( shadowMap, shadowMapSize, shadowCoord.xy + vec2( dx1, 0.0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DShadowLerp( shadowMap, shadowMapSize, shadowCoord.xy + vec2( dx0, dy1 ), shadowCoord.z ) +\n\t\t\t\ttexture2DShadowLerp( shadowMap, shadowMapSize, shadowCoord.xy + vec2( 0.0, dy1 ), shadowCoord.z ) +\n\t\t\t\ttexture2DShadowLerp( shadowMap, shadowMapSize, shadowCoord.xy + vec2( dx1, dy1 ), shadowCoord.z )\n\t\t\t) * ( 1.0 / 9.0 );\n\t\t#elif defined( SHADOWMAP_TYPE_VSM )\n\t\t\tshadow = VSMShadow( shadowMap, shadowCoord.xy, shadowCoord.z );\n\t\t#else\n\t\t\tshadow = texture2DCompare( shadowMap, shadowCoord.xy, shadowCoord.z );\n\t\t#endif\n\t\t}\n\t\treturn shadow;\n\t}\n\tvec2 cubeToUV( vec3 v, float texelSizeY ) {\n\t\tvec3 absV = abs( v );\n\t\tfloat scaleToCube = 1.0 / max( absV.x, max( absV.y, absV.z ) );\n\t\tabsV *= scaleToCube;\n\t\tv *= scaleToCube * ( 1.0 - 2.0 * texelSizeY );\n\t\tvec2 planar = v.xy;\n\t\tfloat almostATexel = 1.5 * texelSizeY;\n\t\tfloat almostOne = 1.0 - almostATexel;\n\t\tif ( absV.z >= almostOne ) {\n\t\t\tif ( v.z > 0.0 )\n\t\t\t\tplanar.x = 4.0 - v.x;\n\t\t} else if ( absV.x >= almostOne ) {\n\t\t\tfloat signX = sign( v.x );\n\t\t\tplanar.x = v.z * signX + 2.0 * signX;\n\t\t} else if ( absV.y >= almostOne ) {\n\t\t\tfloat signY = sign( v.y );\n\t\t\tplanar.x = v.x + 2.0 * signY + 2.0;\n\t\t\tplanar.y = v.z * signY - 2.0;\n\t\t}\n\t\treturn vec2( 0.125, 0.25 ) * planar + vec2( 0.375, 0.75 );\n\t}\n\tfloat getPointShadow( sampler2D shadowMap, vec2 shadowMapSize, float shadowBias, float shadowRadius, vec4 shadowCoord, float shadowCameraNear, float shadowCameraFar ) {\n\t\tvec2 texelSize = vec2( 1.0 ) / ( shadowMapSize * vec2( 4.0, 2.0 ) );\n\t\tvec3 lightToPosition = shadowCoord.xyz;\n\t\tfloat dp = ( length( lightToPosition ) - shadowCameraNear ) / ( shadowCameraFar - shadowCameraNear );\t\tdp += shadowBias;\n\t\tvec3 bd3D = normalize( lightToPosition );\n\t\t#if defined( SHADOWMAP_TYPE_PCF ) || defined( SHADOWMAP_TYPE_PCF_SOFT ) || defined( SHADOWMAP_TYPE_VSM )\n\t\t\tvec2 offset = vec2( - 1, 1 ) * shadowRadius * texelSize.y;\n\t\t\treturn (\n\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.xyy, texelSize.y ), dp ) +\n\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.yyy, texelSize.y ), dp ) +\n\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.xyx, texelSize.y ), dp ) +\n\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.yyx, texelSize.y ), dp ) +\n\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D, texelSize.y ), dp ) +\n\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.xxy, texelSize.y ), dp ) +\n\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.yxy, texelSize.y ), dp ) +\n\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.xxx, texelSize.y ), dp ) +\n\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.yxx, texelSize.y ), dp )\n\t\t\t) * ( 1.0 / 9.0 );\n\t\t#else\n\t\t\treturn texture2DCompare( shadowMap, cubeToUV( bd3D, texelSize.y ), dp );\n\t\t#endif\n\t}\n#endif"; - - var shadowmap_pars_vertex = "#ifdef USE_SHADOWMAP\n\t#if NUM_DIR_LIGHT_SHADOWS > 0\n\t\tuniform mat4 directionalShadowMatrix[ NUM_DIR_LIGHT_SHADOWS ];\n\t\tvarying vec4 vDirectionalShadowCoord[ NUM_DIR_LIGHT_SHADOWS ];\n\t#endif\n\t#if NUM_SPOT_LIGHT_SHADOWS > 0\n\t\tuniform mat4 spotShadowMatrix[ NUM_SPOT_LIGHT_SHADOWS ];\n\t\tvarying vec4 vSpotShadowCoord[ NUM_SPOT_LIGHT_SHADOWS ];\n\t#endif\n\t#if NUM_POINT_LIGHT_SHADOWS > 0\n\t\tuniform mat4 pointShadowMatrix[ NUM_POINT_LIGHT_SHADOWS ];\n\t\tvarying vec4 vPointShadowCoord[ NUM_POINT_LIGHT_SHADOWS ];\n\t#endif\n#endif"; - - var shadowmap_vertex = "#ifdef USE_SHADOWMAP\n\t#if NUM_DIR_LIGHT_SHADOWS > 0\n\t#pragma unroll_loop\n\tfor ( int i = 0; i < NUM_DIR_LIGHT_SHADOWS; i ++ ) {\n\t\tvDirectionalShadowCoord[ i ] = directionalShadowMatrix[ i ] * worldPosition;\n\t}\n\t#endif\n\t#if NUM_SPOT_LIGHT_SHADOWS > 0\n\t#pragma unroll_loop\n\tfor ( int i = 0; i < NUM_SPOT_LIGHT_SHADOWS; i ++ ) {\n\t\tvSpotShadowCoord[ i ] = spotShadowMatrix[ i ] * worldPosition;\n\t}\n\t#endif\n\t#if NUM_POINT_LIGHT_SHADOWS > 0\n\t#pragma unroll_loop\n\tfor ( int i = 0; i < NUM_POINT_LIGHT_SHADOWS; i ++ ) {\n\t\tvPointShadowCoord[ i ] = pointShadowMatrix[ i ] * worldPosition;\n\t}\n\t#endif\n#endif"; - - var shadowmask_pars_fragment = "float getShadowMask() {\n\tfloat shadow = 1.0;\n\t#ifdef USE_SHADOWMAP\n\t#if NUM_DIR_LIGHT_SHADOWS > 0\n\tDirectionalLight directionalLight;\n\t#pragma unroll_loop\n\tfor ( int i = 0; i < NUM_DIR_LIGHT_SHADOWS; i ++ ) {\n\t\tdirectionalLight = directionalLights[ i ];\n\t\tshadow *= bool( directionalLight.shadow ) ? getShadow( directionalShadowMap[ i ], directionalLight.shadowMapSize, directionalLight.shadowBias, directionalLight.shadowRadius, vDirectionalShadowCoord[ i ] ) : 1.0;\n\t}\n\t#endif\n\t#if NUM_SPOT_LIGHT_SHADOWS > 0\n\tSpotLight spotLight;\n\t#pragma unroll_loop\n\tfor ( int i = 0; i < NUM_SPOT_LIGHT_SHADOWS; i ++ ) {\n\t\tspotLight = spotLights[ i ];\n\t\tshadow *= bool( spotLight.shadow ) ? getShadow( spotShadowMap[ i ], spotLight.shadowMapSize, spotLight.shadowBias, spotLight.shadowRadius, vSpotShadowCoord[ i ] ) : 1.0;\n\t}\n\t#endif\n\t#if NUM_POINT_LIGHT_SHADOWS > 0\n\tPointLight pointLight;\n\t#pragma unroll_loop\n\tfor ( int i = 0; i < NUM_POINT_LIGHT_SHADOWS; i ++ ) {\n\t\tpointLight = pointLights[ i ];\n\t\tshadow *= bool( pointLight.shadow ) ? getPointShadow( pointShadowMap[ i ], pointLight.shadowMapSize, pointLight.shadowBias, pointLight.shadowRadius, vPointShadowCoord[ i ], pointLight.shadowCameraNear, pointLight.shadowCameraFar ) : 1.0;\n\t}\n\t#endif\n\t#endif\n\treturn shadow;\n}"; - - var skinbase_vertex = "#ifdef USE_SKINNING\n\tmat4 boneMatX = getBoneMatrix( skinIndex.x );\n\tmat4 boneMatY = getBoneMatrix( skinIndex.y );\n\tmat4 boneMatZ = getBoneMatrix( skinIndex.z );\n\tmat4 boneMatW = getBoneMatrix( skinIndex.w );\n#endif"; - - var skinning_pars_vertex = "#ifdef USE_SKINNING\n\tuniform mat4 bindMatrix;\n\tuniform mat4 bindMatrixInverse;\n\t#ifdef BONE_TEXTURE\n\t\tuniform highp sampler2D boneTexture;\n\t\tuniform int boneTextureSize;\n\t\tmat4 getBoneMatrix( const in float i ) {\n\t\t\tfloat j = i * 4.0;\n\t\t\tfloat x = mod( j, float( boneTextureSize ) );\n\t\t\tfloat y = floor( j / float( boneTextureSize ) );\n\t\t\tfloat dx = 1.0 / float( boneTextureSize );\n\t\t\tfloat dy = 1.0 / float( boneTextureSize );\n\t\t\ty = dy * ( y + 0.5 );\n\t\t\tvec4 v1 = texture2D( boneTexture, vec2( dx * ( x + 0.5 ), y ) );\n\t\t\tvec4 v2 = texture2D( boneTexture, vec2( dx * ( x + 1.5 ), y ) );\n\t\t\tvec4 v3 = texture2D( boneTexture, vec2( dx * ( x + 2.5 ), y ) );\n\t\t\tvec4 v4 = texture2D( boneTexture, vec2( dx * ( x + 3.5 ), y ) );\n\t\t\tmat4 bone = mat4( v1, v2, v3, v4 );\n\t\t\treturn bone;\n\t\t}\n\t#else\n\t\tuniform mat4 boneMatrices[ MAX_BONES ];\n\t\tmat4 getBoneMatrix( const in float i ) {\n\t\t\tmat4 bone = boneMatrices[ int(i) ];\n\t\t\treturn bone;\n\t\t}\n\t#endif\n#endif"; - - var skinning_vertex = "#ifdef USE_SKINNING\n\tvec4 skinVertex = bindMatrix * vec4( transformed, 1.0 );\n\tvec4 skinned = vec4( 0.0 );\n\tskinned += boneMatX * skinVertex * skinWeight.x;\n\tskinned += boneMatY * skinVertex * skinWeight.y;\n\tskinned += boneMatZ * skinVertex * skinWeight.z;\n\tskinned += boneMatW * skinVertex * skinWeight.w;\n\ttransformed = ( bindMatrixInverse * skinned ).xyz;\n#endif"; - - var skinnormal_vertex = "#ifdef USE_SKINNING\n\tmat4 skinMatrix = mat4( 0.0 );\n\tskinMatrix += skinWeight.x * boneMatX;\n\tskinMatrix += skinWeight.y * boneMatY;\n\tskinMatrix += skinWeight.z * boneMatZ;\n\tskinMatrix += skinWeight.w * boneMatW;\n\tskinMatrix = bindMatrixInverse * skinMatrix * bindMatrix;\n\tobjectNormal = vec4( skinMatrix * vec4( objectNormal, 0.0 ) ).xyz;\n\t#ifdef USE_TANGENT\n\t\tobjectTangent = vec4( skinMatrix * vec4( objectTangent, 0.0 ) ).xyz;\n\t#endif\n#endif"; - - var specularmap_fragment = "float specularStrength;\n#ifdef USE_SPECULARMAP\n\tvec4 texelSpecular = texture2D( specularMap, vUv );\n\tspecularStrength = texelSpecular.r;\n#else\n\tspecularStrength = 1.0;\n#endif"; - - var specularmap_pars_fragment = "#ifdef USE_SPECULARMAP\n\tuniform sampler2D specularMap;\n#endif"; - - var tonemapping_fragment = "#if defined( TONE_MAPPING )\n\tgl_FragColor.rgb = toneMapping( gl_FragColor.rgb );\n#endif"; - - var tonemapping_pars_fragment = "#ifndef saturate\n\t#define saturate(a) clamp( a, 0.0, 1.0 )\n#endif\nuniform float toneMappingExposure;\nuniform float toneMappingWhitePoint;\nvec3 LinearToneMapping( vec3 color ) {\n\treturn toneMappingExposure * color;\n}\nvec3 ReinhardToneMapping( vec3 color ) {\n\tcolor *= toneMappingExposure;\n\treturn saturate( color / ( vec3( 1.0 ) + color ) );\n}\n#define Uncharted2Helper( x ) max( ( ( x * ( 0.15 * x + 0.10 * 0.50 ) + 0.20 * 0.02 ) / ( x * ( 0.15 * x + 0.50 ) + 0.20 * 0.30 ) ) - 0.02 / 0.30, vec3( 0.0 ) )\nvec3 Uncharted2ToneMapping( vec3 color ) {\n\tcolor *= toneMappingExposure;\n\treturn saturate( Uncharted2Helper( color ) / Uncharted2Helper( vec3( toneMappingWhitePoint ) ) );\n}\nvec3 OptimizedCineonToneMapping( vec3 color ) {\n\tcolor *= toneMappingExposure;\n\tcolor = max( vec3( 0.0 ), color - 0.004 );\n\treturn pow( ( color * ( 6.2 * color + 0.5 ) ) / ( color * ( 6.2 * color + 1.7 ) + 0.06 ), vec3( 2.2 ) );\n}\nvec3 ACESFilmicToneMapping( vec3 color ) {\n\tcolor *= toneMappingExposure;\n\treturn saturate( ( color * ( 2.51 * color + 0.03 ) ) / ( color * ( 2.43 * color + 0.59 ) + 0.14 ) );\n}"; - - var uv_pars_fragment = "#ifdef USE_UV\n\tvarying vec2 vUv;\n#endif"; - - var uv_pars_vertex = "#ifdef USE_UV\n\tvarying vec2 vUv;\n\tuniform mat3 uvTransform;\n#endif"; - - var uv_vertex = "#ifdef USE_UV\n\tvUv = ( uvTransform * vec3( uv, 1 ) ).xy;\n#endif"; - - var uv2_pars_fragment = "#if defined( USE_LIGHTMAP ) || defined( USE_AOMAP )\n\tvarying vec2 vUv2;\n#endif"; - - var uv2_pars_vertex = "#if defined( USE_LIGHTMAP ) || defined( USE_AOMAP )\n\tattribute vec2 uv2;\n\tvarying vec2 vUv2;\n#endif"; - - var uv2_vertex = "#if defined( USE_LIGHTMAP ) || defined( USE_AOMAP )\n\tvUv2 = uv2;\n#endif"; - - var worldpos_vertex = "#if defined( USE_ENVMAP ) || defined( DISTANCE ) || defined ( USE_SHADOWMAP )\n\tvec4 worldPosition = modelMatrix * vec4( transformed, 1.0 );\n#endif"; - - var background_frag = "uniform sampler2D t2D;\nvarying vec2 vUv;\nvoid main() {\n\tvec4 texColor = texture2D( t2D, vUv );\n\tgl_FragColor = mapTexelToLinear( texColor );\n\t#include \n\t#include \n}"; - - var background_vert = "varying vec2 vUv;\nuniform mat3 uvTransform;\nvoid main() {\n\tvUv = ( uvTransform * vec3( uv, 1 ) ).xy;\n\tgl_Position = vec4( position.xy, 1.0, 1.0 );\n}"; - - var cube_frag = "uniform samplerCube tCube;\nuniform float tFlip;\nuniform float opacity;\nvarying vec3 vWorldDirection;\nvoid main() {\n\tvec4 texColor = textureCube( tCube, vec3( tFlip * vWorldDirection.x, vWorldDirection.yz ) );\n\tgl_FragColor = mapTexelToLinear( texColor );\n\tgl_FragColor.a *= opacity;\n\t#include \n\t#include \n}"; - - var cube_vert = "varying vec3 vWorldDirection;\n#include \nvoid main() {\n\tvWorldDirection = transformDirection( position, modelMatrix );\n\t#include \n\t#include \n\tgl_Position.z = gl_Position.w;\n}"; - - var depth_frag = "#if DEPTH_PACKING == 3200\n\tuniform float opacity;\n#endif\n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\t#include \n\tvec4 diffuseColor = vec4( 1.0 );\n\t#if DEPTH_PACKING == 3200\n\t\tdiffuseColor.a = opacity;\n\t#endif\n\t#include \n\t#include \n\t#include \n\t#include \n\t#if DEPTH_PACKING == 3200\n\t\tgl_FragColor = vec4( vec3( 1.0 - gl_FragCoord.z ), opacity );\n\t#elif DEPTH_PACKING == 3201\n\t\tgl_FragColor = packDepthToRGBA( gl_FragCoord.z );\n\t#endif\n}"; - - var depth_vert = "#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\t#include \n\t#include \n\t#ifdef USE_DISPLACEMENTMAP\n\t\t#include \n\t\t#include \n\t\t#include \n\t#endif\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n}"; - - var distanceRGBA_frag = "#define DISTANCE\nuniform vec3 referencePosition;\nuniform float nearDistance;\nuniform float farDistance;\nvarying vec3 vWorldPosition;\n#include \n#include \n#include \n#include \n#include \n#include \nvoid main () {\n\t#include \n\tvec4 diffuseColor = vec4( 1.0 );\n\t#include \n\t#include \n\t#include \n\tfloat dist = length( vWorldPosition - referencePosition );\n\tdist = ( dist - nearDistance ) / ( farDistance - nearDistance );\n\tdist = saturate( dist );\n\tgl_FragColor = packDepthToRGBA( dist );\n}"; - - var distanceRGBA_vert = "#define DISTANCE\nvarying vec3 vWorldPosition;\n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\t#include \n\t#include \n\t#ifdef USE_DISPLACEMENTMAP\n\t\t#include \n\t\t#include \n\t\t#include \n\t#endif\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\tvWorldPosition = worldPosition.xyz;\n}"; - - var equirect_frag = "uniform sampler2D tEquirect;\nvarying vec3 vWorldDirection;\n#include \nvoid main() {\n\tvec3 direction = normalize( vWorldDirection );\n\tvec2 sampleUV;\n\tsampleUV.y = asin( clamp( direction.y, - 1.0, 1.0 ) ) * RECIPROCAL_PI + 0.5;\n\tsampleUV.x = atan( direction.z, direction.x ) * RECIPROCAL_PI2 + 0.5;\n\tvec4 texColor = texture2D( tEquirect, sampleUV );\n\tgl_FragColor = mapTexelToLinear( texColor );\n\t#include \n\t#include \n}"; - - var equirect_vert = "varying vec3 vWorldDirection;\n#include \nvoid main() {\n\tvWorldDirection = transformDirection( position, modelMatrix );\n\t#include \n\t#include \n}"; - - var linedashed_frag = "uniform vec3 diffuse;\nuniform float opacity;\nuniform float dashSize;\nuniform float totalSize;\nvarying float vLineDistance;\n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\t#include \n\tif ( mod( vLineDistance, totalSize ) > dashSize ) {\n\t\tdiscard;\n\t}\n\tvec3 outgoingLight = vec3( 0.0 );\n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\t#include \n\t#include \n\toutgoingLight = diffuseColor.rgb;\n\tgl_FragColor = vec4( outgoingLight, diffuseColor.a );\n\t#include \n\t#include \n\t#include \n\t#include \n}"; - - var linedashed_vert = "uniform float scale;\nattribute float lineDistance;\nvarying float vLineDistance;\n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\t#include \n\tvLineDistance = scale * lineDistance;\n\tvec4 mvPosition = modelViewMatrix * vec4( position, 1.0 );\n\tgl_Position = projectionMatrix * mvPosition;\n\t#include \n\t#include \n\t#include \n}"; - - var meshbasic_frag = "uniform vec3 diffuse;\nuniform float opacity;\n#ifndef FLAT_SHADED\n\tvarying vec3 vNormal;\n#endif\n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\t#include \n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\tReflectedLight reflectedLight = ReflectedLight( vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ) );\n\t#ifdef USE_LIGHTMAP\n\t\treflectedLight.indirectDiffuse += texture2D( lightMap, vUv2 ).xyz * lightMapIntensity;\n\t#else\n\t\treflectedLight.indirectDiffuse += vec3( 1.0 );\n\t#endif\n\t#include \n\treflectedLight.indirectDiffuse *= diffuseColor.rgb;\n\tvec3 outgoingLight = reflectedLight.indirectDiffuse;\n\t#include \n\tgl_FragColor = vec4( outgoingLight, diffuseColor.a );\n\t#include \n\t#include \n\t#include \n\t#include \n}"; - - var meshbasic_vert = "#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\t#include \n\t#include \n\t#include \n\t#include \n\t#ifdef USE_ENVMAP\n\t#include \n\t#include \n\t#include \n\t#include \n\t#endif\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n}"; - - var meshlambert_frag = "uniform vec3 diffuse;\nuniform vec3 emissive;\nuniform float opacity;\nvarying vec3 vLightFront;\nvarying vec3 vIndirectFront;\n#ifdef DOUBLE_SIDED\n\tvarying vec3 vLightBack;\n\tvarying vec3 vIndirectBack;\n#endif\n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\t#include \n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\tReflectedLight reflectedLight = ReflectedLight( vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ) );\n\tvec3 totalEmissiveRadiance = emissive;\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\treflectedLight.indirectDiffuse = getAmbientLightIrradiance( ambientLightColor );\n\t#ifdef DOUBLE_SIDED\n\t\treflectedLight.indirectDiffuse += ( gl_FrontFacing ) ? vIndirectFront : vIndirectBack;\n\t#else\n\t\treflectedLight.indirectDiffuse += vIndirectFront;\n\t#endif\n\t#include \n\treflectedLight.indirectDiffuse *= BRDF_Diffuse_Lambert( diffuseColor.rgb );\n\t#ifdef DOUBLE_SIDED\n\t\treflectedLight.directDiffuse = ( gl_FrontFacing ) ? vLightFront : vLightBack;\n\t#else\n\t\treflectedLight.directDiffuse = vLightFront;\n\t#endif\n\treflectedLight.directDiffuse *= BRDF_Diffuse_Lambert( diffuseColor.rgb ) * getShadowMask();\n\t#include \n\tvec3 outgoingLight = reflectedLight.directDiffuse + reflectedLight.indirectDiffuse + totalEmissiveRadiance;\n\t#include \n\tgl_FragColor = vec4( outgoingLight, diffuseColor.a );\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n}"; - - var meshlambert_vert = "#define LAMBERT\nvarying vec3 vLightFront;\nvarying vec3 vIndirectFront;\n#ifdef DOUBLE_SIDED\n\tvarying vec3 vLightBack;\n\tvarying vec3 vIndirectBack;\n#endif\n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n}"; - - var meshmatcap_frag = "#define MATCAP\nuniform vec3 diffuse;\nuniform float opacity;\nuniform sampler2D matcap;\nvarying vec3 vViewPosition;\n#ifndef FLAT_SHADED\n\tvarying vec3 vNormal;\n#endif\n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\t#include \n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\tvec3 viewDir = normalize( vViewPosition );\n\tvec3 x = normalize( vec3( viewDir.z, 0.0, - viewDir.x ) );\n\tvec3 y = cross( viewDir, x );\n\tvec2 uv = vec2( dot( x, normal ), dot( y, normal ) ) * 0.495 + 0.5;\n\t#ifdef USE_MATCAP\n\t\tvec4 matcapColor = texture2D( matcap, uv );\n\t\tmatcapColor = matcapTexelToLinear( matcapColor );\n\t#else\n\t\tvec4 matcapColor = vec4( 1.0 );\n\t#endif\n\tvec3 outgoingLight = diffuseColor.rgb * matcapColor.rgb;\n\tgl_FragColor = vec4( outgoingLight, diffuseColor.a );\n\t#include \n\t#include \n\t#include \n\t#include \n}"; - - var meshmatcap_vert = "#define MATCAP\nvarying vec3 vViewPosition;\n#ifndef FLAT_SHADED\n\tvarying vec3 vNormal;\n#endif\n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#ifndef FLAT_SHADED\n\t\tvNormal = normalize( transformedNormal );\n\t#endif\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\tvViewPosition = - mvPosition.xyz;\n}"; - - var meshphong_frag = "#define PHONG\nuniform vec3 diffuse;\nuniform vec3 emissive;\nuniform vec3 specular;\nuniform float shininess;\nuniform float opacity;\n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\t#include \n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\tReflectedLight reflectedLight = ReflectedLight( vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ) );\n\tvec3 totalEmissiveRadiance = emissive;\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\tvec3 outgoingLight = reflectedLight.directDiffuse + reflectedLight.indirectDiffuse + reflectedLight.directSpecular + reflectedLight.indirectSpecular + totalEmissiveRadiance;\n\t#include \n\tgl_FragColor = vec4( outgoingLight, diffuseColor.a );\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n}"; - - var meshphong_vert = "#define PHONG\nvarying vec3 vViewPosition;\n#ifndef FLAT_SHADED\n\tvarying vec3 vNormal;\n#endif\n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n#ifndef FLAT_SHADED\n\tvNormal = normalize( transformedNormal );\n#endif\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\tvViewPosition = - mvPosition.xyz;\n\t#include \n\t#include \n\t#include \n\t#include \n}"; - - var meshphysical_frag = "#define STANDARD\n#ifdef PHYSICAL\n\t#define REFLECTIVITY\n\t#define CLEARCOAT\n\t#define TRANSPARENCY\n#endif\nuniform vec3 diffuse;\nuniform vec3 emissive;\nuniform float roughness;\nuniform float metalness;\nuniform float opacity;\n#ifdef TRANSPARENCY\n\tuniform float transparency;\n#endif\n#ifdef REFLECTIVITY\n\tuniform float reflectivity;\n#endif\n#ifdef CLEARCOAT\n\tuniform float clearcoat;\n\tuniform float clearcoatRoughness;\n#endif\n#ifdef USE_SHEEN\n\tuniform vec3 sheen;\n#endif\nvarying vec3 vViewPosition;\n#ifndef FLAT_SHADED\n\tvarying vec3 vNormal;\n\t#ifdef USE_TANGENT\n\t\tvarying vec3 vTangent;\n\t\tvarying vec3 vBitangent;\n\t#endif\n#endif\n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\t#include \n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\tReflectedLight reflectedLight = ReflectedLight( vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ) );\n\tvec3 totalEmissiveRadiance = emissive;\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\tvec3 outgoingLight = reflectedLight.directDiffuse + reflectedLight.indirectDiffuse + reflectedLight.directSpecular + reflectedLight.indirectSpecular + totalEmissiveRadiance;\n\t#ifdef TRANSPARENCY\n\t\tdiffuseColor.a *= saturate( 1. - transparency + linearToRelativeLuminance( reflectedLight.directSpecular + reflectedLight.indirectSpecular ) );\n\t#endif\n\tgl_FragColor = vec4( outgoingLight, diffuseColor.a );\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n}"; - - var meshphysical_vert = "#define STANDARD\nvarying vec3 vViewPosition;\n#ifndef FLAT_SHADED\n\tvarying vec3 vNormal;\n\t#ifdef USE_TANGENT\n\t\tvarying vec3 vTangent;\n\t\tvarying vec3 vBitangent;\n\t#endif\n#endif\n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n#ifndef FLAT_SHADED\n\tvNormal = normalize( transformedNormal );\n\t#ifdef USE_TANGENT\n\t\tvTangent = normalize( transformedTangent );\n\t\tvBitangent = normalize( cross( vNormal, vTangent ) * tangent.w );\n\t#endif\n#endif\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\tvViewPosition = - mvPosition.xyz;\n\t#include \n\t#include \n\t#include \n}"; - - var normal_frag = "#define NORMAL\nuniform float opacity;\n#if defined( FLAT_SHADED ) || defined( USE_BUMPMAP ) || defined( TANGENTSPACE_NORMALMAP )\n\tvarying vec3 vViewPosition;\n#endif\n#ifndef FLAT_SHADED\n\tvarying vec3 vNormal;\n\t#ifdef USE_TANGENT\n\t\tvarying vec3 vTangent;\n\t\tvarying vec3 vBitangent;\n\t#endif\n#endif\n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\t#include \n\t#include \n\t#include \n\t#include \n\tgl_FragColor = vec4( packNormalToRGB( normal ), opacity );\n}"; - - var normal_vert = "#define NORMAL\n#if defined( FLAT_SHADED ) || defined( USE_BUMPMAP ) || defined( TANGENTSPACE_NORMALMAP )\n\tvarying vec3 vViewPosition;\n#endif\n#ifndef FLAT_SHADED\n\tvarying vec3 vNormal;\n\t#ifdef USE_TANGENT\n\t\tvarying vec3 vTangent;\n\t\tvarying vec3 vBitangent;\n\t#endif\n#endif\n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n#ifndef FLAT_SHADED\n\tvNormal = normalize( transformedNormal );\n\t#ifdef USE_TANGENT\n\t\tvTangent = normalize( transformedTangent );\n\t\tvBitangent = normalize( cross( vNormal, vTangent ) * tangent.w );\n\t#endif\n#endif\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n#if defined( FLAT_SHADED ) || defined( USE_BUMPMAP ) || defined( TANGENTSPACE_NORMALMAP )\n\tvViewPosition = - mvPosition.xyz;\n#endif\n}"; - - var points_frag = "uniform vec3 diffuse;\nuniform float opacity;\n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\t#include \n\tvec3 outgoingLight = vec3( 0.0 );\n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\t#include \n\t#include \n\t#include \n\t#include \n\toutgoingLight = diffuseColor.rgb;\n\tgl_FragColor = vec4( outgoingLight, diffuseColor.a );\n\t#include \n\t#include \n\t#include \n\t#include \n}"; - - var points_vert = "uniform float size;\nuniform float scale;\n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\t#include \n\t#include \n\t#include \n\t#include \n\tgl_PointSize = size;\n\t#ifdef USE_SIZEATTENUATION\n\t\tbool isPerspective = ( projectionMatrix[ 2 ][ 3 ] == - 1.0 );\n\t\tif ( isPerspective ) gl_PointSize *= ( scale / - mvPosition.z );\n\t#endif\n\t#include \n\t#include \n\t#include \n\t#include \n}"; - - var shadow_frag = "uniform vec3 color;\nuniform float opacity;\n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\tgl_FragColor = vec4( color, opacity * ( 1.0 - getShadowMask() ) );\n\t#include \n}"; - - var shadow_vert = "#include \n#include \nvoid main() {\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n}"; - - var sprite_frag = "uniform vec3 diffuse;\nuniform float opacity;\n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\t#include \n\tvec3 outgoingLight = vec3( 0.0 );\n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\t#include \n\t#include \n\t#include \n\toutgoingLight = diffuseColor.rgb;\n\tgl_FragColor = vec4( outgoingLight, diffuseColor.a );\n\t#include \n\t#include \n\t#include \n}"; - - var sprite_vert = "uniform float rotation;\nuniform vec2 center;\n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\t#include \n\tvec4 mvPosition = modelViewMatrix * vec4( 0.0, 0.0, 0.0, 1.0 );\n\tvec2 scale;\n\tscale.x = length( vec3( modelMatrix[ 0 ].x, modelMatrix[ 0 ].y, modelMatrix[ 0 ].z ) );\n\tscale.y = length( vec3( modelMatrix[ 1 ].x, modelMatrix[ 1 ].y, modelMatrix[ 1 ].z ) );\n\t#ifndef USE_SIZEATTENUATION\n\t\tbool isPerspective = ( projectionMatrix[ 2 ][ 3 ] == - 1.0 );\n\t\tif ( isPerspective ) scale *= - mvPosition.z;\n\t#endif\n\tvec2 alignedPosition = ( position.xy - ( center - vec2( 0.5 ) ) ) * scale;\n\tvec2 rotatedPosition;\n\trotatedPosition.x = cos( rotation ) * alignedPosition.x - sin( rotation ) * alignedPosition.y;\n\trotatedPosition.y = sin( rotation ) * alignedPosition.x + cos( rotation ) * alignedPosition.y;\n\tmvPosition.xy += rotatedPosition;\n\tgl_Position = projectionMatrix * mvPosition;\n\t#include \n\t#include \n\t#include \n}"; - - var ShaderChunk = { - alphamap_fragment: alphamap_fragment, - alphamap_pars_fragment: alphamap_pars_fragment, - alphatest_fragment: alphatest_fragment, - aomap_fragment: aomap_fragment, - aomap_pars_fragment: aomap_pars_fragment, - begin_vertex: begin_vertex, - beginnormal_vertex: beginnormal_vertex, - bsdfs: bsdfs, - bumpmap_pars_fragment: bumpmap_pars_fragment, - clipping_planes_fragment: clipping_planes_fragment, - clipping_planes_pars_fragment: clipping_planes_pars_fragment, - clipping_planes_pars_vertex: clipping_planes_pars_vertex, - clipping_planes_vertex: clipping_planes_vertex, - color_fragment: color_fragment, - color_pars_fragment: color_pars_fragment, - color_pars_vertex: color_pars_vertex, - color_vertex: color_vertex, - common: common, - cube_uv_reflection_fragment: cube_uv_reflection_fragment, - defaultnormal_vertex: defaultnormal_vertex, - displacementmap_pars_vertex: displacementmap_pars_vertex, - displacementmap_vertex: displacementmap_vertex, - emissivemap_fragment: emissivemap_fragment, - emissivemap_pars_fragment: emissivemap_pars_fragment, - encodings_fragment: encodings_fragment, - encodings_pars_fragment: encodings_pars_fragment, - envmap_fragment: envmap_fragment, - envmap_common_pars_fragment: envmap_common_pars_fragment, - envmap_pars_fragment: envmap_pars_fragment, - envmap_pars_vertex: envmap_pars_vertex, - envmap_physical_pars_fragment: envmap_physical_pars_fragment, - envmap_vertex: envmap_vertex, - fog_vertex: fog_vertex, - fog_pars_vertex: fog_pars_vertex, - fog_fragment: fog_fragment, - fog_pars_fragment: fog_pars_fragment, - gradientmap_pars_fragment: gradientmap_pars_fragment, - lightmap_fragment: lightmap_fragment, - lightmap_pars_fragment: lightmap_pars_fragment, - lights_lambert_vertex: lights_lambert_vertex, - lights_pars_begin: lights_pars_begin, - lights_phong_fragment: lights_phong_fragment, - lights_phong_pars_fragment: lights_phong_pars_fragment, - lights_physical_fragment: lights_physical_fragment, - lights_physical_pars_fragment: lights_physical_pars_fragment, - lights_fragment_begin: lights_fragment_begin, - lights_fragment_maps: lights_fragment_maps, - lights_fragment_end: lights_fragment_end, - logdepthbuf_fragment: logdepthbuf_fragment, - logdepthbuf_pars_fragment: logdepthbuf_pars_fragment, - logdepthbuf_pars_vertex: logdepthbuf_pars_vertex, - logdepthbuf_vertex: logdepthbuf_vertex, - map_fragment: map_fragment, - map_pars_fragment: map_pars_fragment, - map_particle_fragment: map_particle_fragment, - map_particle_pars_fragment: map_particle_pars_fragment, - metalnessmap_fragment: metalnessmap_fragment, - metalnessmap_pars_fragment: metalnessmap_pars_fragment, - morphnormal_vertex: morphnormal_vertex, - morphtarget_pars_vertex: morphtarget_pars_vertex, - morphtarget_vertex: morphtarget_vertex, - normal_fragment_begin: normal_fragment_begin, - normal_fragment_maps: normal_fragment_maps, - normalmap_pars_fragment: normalmap_pars_fragment, - clearcoat_normal_fragment_begin: clearcoat_normal_fragment_begin, - clearcoat_normal_fragment_maps: clearcoat_normal_fragment_maps, - clearcoat_normalmap_pars_fragment: clearcoat_normalmap_pars_fragment, - packing: packing, - premultiplied_alpha_fragment: premultiplied_alpha_fragment, - project_vertex: project_vertex, - dithering_fragment: dithering_fragment, - dithering_pars_fragment: dithering_pars_fragment, - roughnessmap_fragment: roughnessmap_fragment, - roughnessmap_pars_fragment: roughnessmap_pars_fragment, - shadowmap_pars_fragment: shadowmap_pars_fragment, - shadowmap_pars_vertex: shadowmap_pars_vertex, - shadowmap_vertex: shadowmap_vertex, - shadowmask_pars_fragment: shadowmask_pars_fragment, - skinbase_vertex: skinbase_vertex, - skinning_pars_vertex: skinning_pars_vertex, - skinning_vertex: skinning_vertex, - skinnormal_vertex: skinnormal_vertex, - specularmap_fragment: specularmap_fragment, - specularmap_pars_fragment: specularmap_pars_fragment, - tonemapping_fragment: tonemapping_fragment, - tonemapping_pars_fragment: tonemapping_pars_fragment, - uv_pars_fragment: uv_pars_fragment, - uv_pars_vertex: uv_pars_vertex, - uv_vertex: uv_vertex, - uv2_pars_fragment: uv2_pars_fragment, - uv2_pars_vertex: uv2_pars_vertex, - uv2_vertex: uv2_vertex, - worldpos_vertex: worldpos_vertex, - - background_frag: background_frag, - background_vert: background_vert, - cube_frag: cube_frag, - cube_vert: cube_vert, - depth_frag: depth_frag, - depth_vert: depth_vert, - distanceRGBA_frag: distanceRGBA_frag, - distanceRGBA_vert: distanceRGBA_vert, - equirect_frag: equirect_frag, - equirect_vert: equirect_vert, - linedashed_frag: linedashed_frag, - linedashed_vert: linedashed_vert, - meshbasic_frag: meshbasic_frag, - meshbasic_vert: meshbasic_vert, - meshlambert_frag: meshlambert_frag, - meshlambert_vert: meshlambert_vert, - meshmatcap_frag: meshmatcap_frag, - meshmatcap_vert: meshmatcap_vert, - meshphong_frag: meshphong_frag, - meshphong_vert: meshphong_vert, - meshphysical_frag: meshphysical_frag, - meshphysical_vert: meshphysical_vert, - normal_frag: normal_frag, - normal_vert: normal_vert, - points_frag: points_frag, - points_vert: points_vert, - shadow_frag: shadow_frag, - shadow_vert: shadow_vert, - sprite_frag: sprite_frag, - sprite_vert: sprite_vert - }; - - /** - * Uniforms library for shared webgl shaders - */ - - var UniformsLib = { - - common: { - - diffuse: { value: new Color( 0xeeeeee ) }, - opacity: { value: 1.0 }, - - map: { value: null }, - uvTransform: { value: new Matrix3() }, - - alphaMap: { value: null }, - - }, - - specularmap: { - - specularMap: { value: null }, - - }, - - envmap: { - - envMap: { value: null }, - flipEnvMap: { value: - 1 }, - reflectivity: { value: 1.0 }, - refractionRatio: { value: 0.98 }, - maxMipLevel: { value: 0 } - - }, - - aomap: { - - aoMap: { value: null }, - aoMapIntensity: { value: 1 } - - }, - - lightmap: { - - lightMap: { value: null }, - lightMapIntensity: { value: 1 } - - }, - - emissivemap: { - - emissiveMap: { value: null } - - }, - - bumpmap: { - - bumpMap: { value: null }, - bumpScale: { value: 1 } - - }, - - normalmap: { - - normalMap: { value: null }, - normalScale: { value: new Vector2( 1, 1 ) } - - }, - - displacementmap: { - - displacementMap: { value: null }, - displacementScale: { value: 1 }, - displacementBias: { value: 0 } - - }, - - roughnessmap: { - - roughnessMap: { value: null } - - }, - - metalnessmap: { - - metalnessMap: { value: null } - - }, - - gradientmap: { - - gradientMap: { value: null } - - }, - - fog: { - - fogDensity: { value: 0.00025 }, - fogNear: { value: 1 }, - fogFar: { value: 2000 }, - fogColor: { value: new Color( 0xffffff ) } - - }, - - lights: { - - ambientLightColor: { value: [] }, - - lightProbe: { value: [] }, - - directionalLights: { value: [], properties: { - direction: {}, - color: {}, - - shadow: {}, - shadowBias: {}, - shadowRadius: {}, - shadowMapSize: {} - } }, - - directionalShadowMap: { value: [] }, - directionalShadowMatrix: { value: [] }, - - spotLights: { value: [], properties: { - color: {}, - position: {}, - direction: {}, - distance: {}, - coneCos: {}, - penumbraCos: {}, - decay: {}, - - shadow: {}, - shadowBias: {}, - shadowRadius: {}, - shadowMapSize: {} - } }, - - spotShadowMap: { value: [] }, - spotShadowMatrix: { value: [] }, - - pointLights: { value: [], properties: { - color: {}, - position: {}, - decay: {}, - distance: {}, - - shadow: {}, - shadowBias: {}, - shadowRadius: {}, - shadowMapSize: {}, - shadowCameraNear: {}, - shadowCameraFar: {} - } }, - - pointShadowMap: { value: [] }, - pointShadowMatrix: { value: [] }, - - hemisphereLights: { value: [], properties: { - direction: {}, - skyColor: {}, - groundColor: {} - } }, - - // TODO (abelnation): RectAreaLight BRDF data needs to be moved from example to main src - rectAreaLights: { value: [], properties: { - color: {}, - position: {}, - width: {}, - height: {} - } } - - }, - - points: { - - diffuse: { value: new Color( 0xeeeeee ) }, - opacity: { value: 1.0 }, - size: { value: 1.0 }, - scale: { value: 1.0 }, - map: { value: null }, - uvTransform: { value: new Matrix3() } - - }, - - sprite: { - - diffuse: { value: new Color( 0xeeeeee ) }, - opacity: { value: 1.0 }, - center: { value: new Vector2( 0.5, 0.5 ) }, - rotation: { value: 0.0 }, - map: { value: null }, - uvTransform: { value: new Matrix3() } - - } - - }; - - /** - * @author alteredq / http://alteredqualia.com/ - * @author mrdoob / http://mrdoob.com/ - * @author mikael emtinger / http://gomo.se/ - */ - - var ShaderLib = { - - basic: { - - uniforms: mergeUniforms( [ - UniformsLib.common, - UniformsLib.specularmap, - UniformsLib.envmap, - UniformsLib.aomap, - UniformsLib.lightmap, - UniformsLib.fog - ] ), - - vertexShader: ShaderChunk.meshbasic_vert, - fragmentShader: ShaderChunk.meshbasic_frag - - }, - - lambert: { - - uniforms: mergeUniforms( [ - UniformsLib.common, - UniformsLib.specularmap, - UniformsLib.envmap, - UniformsLib.aomap, - UniformsLib.lightmap, - UniformsLib.emissivemap, - UniformsLib.fog, - UniformsLib.lights, - { - emissive: { value: new Color( 0x000000 ) } - } - ] ), - - vertexShader: ShaderChunk.meshlambert_vert, - fragmentShader: ShaderChunk.meshlambert_frag - - }, - - phong: { - - uniforms: mergeUniforms( [ - UniformsLib.common, - UniformsLib.specularmap, - UniformsLib.envmap, - UniformsLib.aomap, - UniformsLib.lightmap, - UniformsLib.emissivemap, - UniformsLib.bumpmap, - UniformsLib.normalmap, - UniformsLib.displacementmap, - UniformsLib.gradientmap, - UniformsLib.fog, - UniformsLib.lights, - { - emissive: { value: new Color( 0x000000 ) }, - specular: { value: new Color( 0x111111 ) }, - shininess: { value: 30 } - } - ] ), - - vertexShader: ShaderChunk.meshphong_vert, - fragmentShader: ShaderChunk.meshphong_frag - - }, - - standard: { - - uniforms: mergeUniforms( [ - UniformsLib.common, - UniformsLib.envmap, - UniformsLib.aomap, - UniformsLib.lightmap, - UniformsLib.emissivemap, - UniformsLib.bumpmap, - UniformsLib.normalmap, - UniformsLib.displacementmap, - UniformsLib.roughnessmap, - UniformsLib.metalnessmap, - UniformsLib.fog, - UniformsLib.lights, - { - emissive: { value: new Color( 0x000000 ) }, - roughness: { value: 0.5 }, - metalness: { value: 0.5 }, - envMapIntensity: { value: 1 } // temporary - } - ] ), - - vertexShader: ShaderChunk.meshphysical_vert, - fragmentShader: ShaderChunk.meshphysical_frag - - }, - - matcap: { - - uniforms: mergeUniforms( [ - UniformsLib.common, - UniformsLib.bumpmap, - UniformsLib.normalmap, - UniformsLib.displacementmap, - UniformsLib.fog, - { - matcap: { value: null } - } - ] ), - - vertexShader: ShaderChunk.meshmatcap_vert, - fragmentShader: ShaderChunk.meshmatcap_frag - - }, - - points: { - - uniforms: mergeUniforms( [ - UniformsLib.points, - UniformsLib.fog - ] ), - - vertexShader: ShaderChunk.points_vert, - fragmentShader: ShaderChunk.points_frag - - }, - - dashed: { - - uniforms: mergeUniforms( [ - UniformsLib.common, - UniformsLib.fog, - { - scale: { value: 1 }, - dashSize: { value: 1 }, - totalSize: { value: 2 } - } - ] ), - - vertexShader: ShaderChunk.linedashed_vert, - fragmentShader: ShaderChunk.linedashed_frag - - }, - - depth: { - - uniforms: mergeUniforms( [ - UniformsLib.common, - UniformsLib.displacementmap - ] ), - - vertexShader: ShaderChunk.depth_vert, - fragmentShader: ShaderChunk.depth_frag - - }, - - normal: { - - uniforms: mergeUniforms( [ - UniformsLib.common, - UniformsLib.bumpmap, - UniformsLib.normalmap, - UniformsLib.displacementmap, - { - opacity: { value: 1.0 } - } - ] ), - - vertexShader: ShaderChunk.normal_vert, - fragmentShader: ShaderChunk.normal_frag - - }, - - sprite: { - - uniforms: mergeUniforms( [ - UniformsLib.sprite, - UniformsLib.fog - ] ), - - vertexShader: ShaderChunk.sprite_vert, - fragmentShader: ShaderChunk.sprite_frag - - }, - - background: { - - uniforms: { - uvTransform: { value: new Matrix3() }, - t2D: { value: null }, - }, - - vertexShader: ShaderChunk.background_vert, - fragmentShader: ShaderChunk.background_frag - - }, - /* ------------------------------------------------------------------------- - // Cube map shader - ------------------------------------------------------------------------- */ - - cube: { - - uniforms: { - tCube: { value: null }, - tFlip: { value: - 1 }, - opacity: { value: 1.0 } - }, - - vertexShader: ShaderChunk.cube_vert, - fragmentShader: ShaderChunk.cube_frag - - }, - - equirect: { - - uniforms: { - tEquirect: { value: null }, - }, - - vertexShader: ShaderChunk.equirect_vert, - fragmentShader: ShaderChunk.equirect_frag - - }, - - distanceRGBA: { - - uniforms: mergeUniforms( [ - UniformsLib.common, - UniformsLib.displacementmap, - { - referencePosition: { value: new Vector3() }, - nearDistance: { value: 1 }, - farDistance: { value: 1000 } - } - ] ), - - vertexShader: ShaderChunk.distanceRGBA_vert, - fragmentShader: ShaderChunk.distanceRGBA_frag - - }, - - shadow: { - - uniforms: mergeUniforms( [ - UniformsLib.lights, - UniformsLib.fog, - { - color: { value: new Color( 0x00000 ) }, - opacity: { value: 1.0 } - }, - ] ), - - vertexShader: ShaderChunk.shadow_vert, - fragmentShader: ShaderChunk.shadow_frag - - } - - }; - - ShaderLib.physical = { - - uniforms: mergeUniforms( [ - ShaderLib.standard.uniforms, - { - transparency: { value: 0 }, - clearcoat: { value: 0 }, - clearcoatRoughness: { value: 0 }, - sheen: { value: new Color( 0x000000 ) }, - clearcoatNormalScale: { value: new Vector2( 1, 1 ) }, - clearcoatNormalMap: { value: null }, - } - ] ), - - vertexShader: ShaderChunk.meshphysical_vert, - fragmentShader: ShaderChunk.meshphysical_frag - - }; - - /** - * @author mrdoob / http://mrdoob.com/ - */ - - function WebGLAnimation() { - - var context = null; - var isAnimating = false; - var animationLoop = null; - - function onAnimationFrame( time, frame ) { - - if ( isAnimating === false ) return; - - animationLoop( time, frame ); - - context.requestAnimationFrame( onAnimationFrame ); - - } - - return { - - start: function () { - - if ( isAnimating === true ) return; - if ( animationLoop === null ) return; - - context.requestAnimationFrame( onAnimationFrame ); - - isAnimating = true; - - }, - - stop: function () { - - isAnimating = false; - - }, - - setAnimationLoop: function ( callback ) { - - animationLoop = callback; - - }, - - setContext: function ( value ) { - - context = value; - - } - - }; - - } - - /** - * @author mrdoob / http://mrdoob.com/ - */ - - function WebGLAttributes( gl ) { - - var buffers = new WeakMap(); - - function createBuffer( attribute, bufferType ) { - - var array = attribute.array; - var usage = attribute.dynamic ? 35048 : 35044; - - var buffer = gl.createBuffer(); - - gl.bindBuffer( bufferType, buffer ); - gl.bufferData( bufferType, array, usage ); - - attribute.onUploadCallback(); - - var type = 5126; - - if ( array instanceof Float32Array ) { - - type = 5126; - - } else if ( array instanceof Float64Array ) { - - console.warn( 'THREE.WebGLAttributes: Unsupported data buffer format: Float64Array.' ); - - } else if ( array instanceof Uint16Array ) { - - type = 5123; - - } else if ( array instanceof Int16Array ) { - - type = 5122; - - } else if ( array instanceof Uint32Array ) { - - type = 5125; - - } else if ( array instanceof Int32Array ) { - - type = 5124; - - } else if ( array instanceof Int8Array ) { - - type = 5120; - - } else if ( array instanceof Uint8Array ) { - - type = 5121; - - } - - return { - buffer: buffer, - type: type, - bytesPerElement: array.BYTES_PER_ELEMENT, - version: attribute.version - }; - - } - - function updateBuffer( buffer, attribute, bufferType ) { - - var array = attribute.array; - var updateRange = attribute.updateRange; - - gl.bindBuffer( bufferType, buffer ); - - if ( attribute.dynamic === false ) { - - gl.bufferData( bufferType, array, 35044 ); - - } else if ( updateRange.count === - 1 ) { - - // Not using update ranges - - gl.bufferSubData( bufferType, 0, array ); - - } else if ( updateRange.count === 0 ) { - - console.error( 'THREE.WebGLObjects.updateBuffer: dynamic THREE.BufferAttribute marked as needsUpdate but updateRange.count is 0, ensure you are using set methods or updating manually.' ); - - } else { - - gl.bufferSubData( bufferType, updateRange.offset * array.BYTES_PER_ELEMENT, - array.subarray( updateRange.offset, updateRange.offset + updateRange.count ) ); - - updateRange.count = - 1; // reset range - - } - - } - - // - - function get( attribute ) { - - if ( attribute.isInterleavedBufferAttribute ) attribute = attribute.data; - - return buffers.get( attribute ); - - } - - function remove( attribute ) { - - if ( attribute.isInterleavedBufferAttribute ) attribute = attribute.data; - - var data = buffers.get( attribute ); - - if ( data ) { - - gl.deleteBuffer( data.buffer ); - - buffers.delete( attribute ); - - } - - } - - function update( attribute, bufferType ) { - - if ( attribute.isInterleavedBufferAttribute ) attribute = attribute.data; - - var data = buffers.get( attribute ); - - if ( data === undefined ) { - - buffers.set( attribute, createBuffer( attribute, bufferType ) ); - - } else if ( data.version < attribute.version ) { - - updateBuffer( data.buffer, attribute, bufferType ); - - data.version = attribute.version; - - } - - } - - return { - - get: get, - remove: remove, - update: update - - }; - - } - - /** - * @author mrdoob / http://mrdoob.com/ - * @author Mugen87 / https://github.com/Mugen87 - */ - - // PlaneGeometry - - function PlaneGeometry( width, height, widthSegments, heightSegments ) { - - Geometry.call( this ); - - this.type = 'PlaneGeometry'; - - this.parameters = { - width: width, - height: height, - widthSegments: widthSegments, - heightSegments: heightSegments - }; - - this.fromBufferGeometry( new PlaneBufferGeometry( width, height, widthSegments, heightSegments ) ); - this.mergeVertices(); - - } - - PlaneGeometry.prototype = Object.create( Geometry.prototype ); - PlaneGeometry.prototype.constructor = PlaneGeometry; - - // PlaneBufferGeometry - - function PlaneBufferGeometry( width, height, widthSegments, heightSegments ) { - - BufferGeometry.call( this ); - - this.type = 'PlaneBufferGeometry'; - - this.parameters = { - width: width, - height: height, - widthSegments: widthSegments, - heightSegments: heightSegments - }; - - width = width || 1; - height = height || 1; - - var width_half = width / 2; - var height_half = height / 2; - - var gridX = Math.floor( widthSegments ) || 1; - var gridY = Math.floor( heightSegments ) || 1; - - var gridX1 = gridX + 1; - var gridY1 = gridY + 1; - - var segment_width = width / gridX; - var segment_height = height / gridY; - - var ix, iy; - - // buffers - - var indices = []; - var vertices = []; - var normals = []; - var uvs = []; - - // generate vertices, normals and uvs - - for ( iy = 0; iy < gridY1; iy ++ ) { - - var y = iy * segment_height - height_half; - - for ( ix = 0; ix < gridX1; ix ++ ) { - - var x = ix * segment_width - width_half; - - vertices.push( x, - y, 0 ); - - normals.push( 0, 0, 1 ); - - uvs.push( ix / gridX ); - uvs.push( 1 - ( iy / gridY ) ); - - } - - } - - // indices - - for ( iy = 0; iy < gridY; iy ++ ) { - - for ( ix = 0; ix < gridX; ix ++ ) { - - var a = ix + gridX1 * iy; - var b = ix + gridX1 * ( iy + 1 ); - var c = ( ix + 1 ) + gridX1 * ( iy + 1 ); - var d = ( ix + 1 ) + gridX1 * iy; - - // faces - - indices.push( a, b, d ); - indices.push( b, c, d ); - - } - - } - - // build geometry - - this.setIndex( indices ); - this.addAttribute( 'position', new Float32BufferAttribute( vertices, 3 ) ); - this.addAttribute( 'normal', new Float32BufferAttribute( normals, 3 ) ); - this.addAttribute( 'uv', new Float32BufferAttribute( uvs, 2 ) ); - - } - - PlaneBufferGeometry.prototype = Object.create( BufferGeometry.prototype ); - PlaneBufferGeometry.prototype.constructor = PlaneBufferGeometry; - - /** - * @author mrdoob / http://mrdoob.com/ - */ - - function WebGLBackground( renderer, state, objects, premultipliedAlpha ) { - - var clearColor = new Color( 0x000000 ); - var clearAlpha = 0; - - var planeMesh; - var boxMesh; - // Store the current background texture and its `version` - // so we can recompile the material accordingly. - var currentBackground = null; - var currentBackgroundVersion = 0; - - function render( renderList, scene, camera, forceClear ) { - - var background = scene.background; - - // Ignore background in AR - // TODO: Reconsider this. - - var vr = renderer.vr; - var session = vr.getSession && vr.getSession(); - - if ( session && session.environmentBlendMode === 'additive' ) { - - background = null; - - } - - if ( background === null ) { - - setClear( clearColor, clearAlpha ); - currentBackground = null; - currentBackgroundVersion = 0; - - } else if ( background && background.isColor ) { - - setClear( background, 1 ); - forceClear = true; - currentBackground = null; - currentBackgroundVersion = 0; - - } - - if ( renderer.autoClear || forceClear ) { - - renderer.clear( renderer.autoClearColor, renderer.autoClearDepth, renderer.autoClearStencil ); - - } - - if ( background && ( background.isCubeTexture || background.isWebGLRenderTargetCube ) ) { - - if ( boxMesh === undefined ) { - - boxMesh = new Mesh( - new BoxBufferGeometry( 1, 1, 1 ), - new ShaderMaterial( { - type: 'BackgroundCubeMaterial', - uniforms: cloneUniforms( ShaderLib.cube.uniforms ), - vertexShader: ShaderLib.cube.vertexShader, - fragmentShader: ShaderLib.cube.fragmentShader, - side: BackSide, - depthTest: false, - depthWrite: false, - fog: false - } ) - ); - - boxMesh.geometry.removeAttribute( 'normal' ); - boxMesh.geometry.removeAttribute( 'uv' ); - - boxMesh.onBeforeRender = function ( renderer, scene, camera ) { - - this.matrixWorld.copyPosition( camera.matrixWorld ); - - }; - - // enable code injection for non-built-in material - Object.defineProperty( boxMesh.material, 'map', { - - get: function () { - - return this.uniforms.tCube.value; - - } - - } ); - - objects.update( boxMesh ); - - } - - var texture = background.isWebGLRenderTargetCube ? background.texture : background; - boxMesh.material.uniforms.tCube.value = texture; - boxMesh.material.uniforms.tFlip.value = ( background.isWebGLRenderTargetCube ) ? 1 : - 1; - - if ( currentBackground !== background || - currentBackgroundVersion !== texture.version ) { - - boxMesh.material.needsUpdate = true; - - currentBackground = background; - currentBackgroundVersion = texture.version; - - } - - // push to the pre-sorted opaque render list - renderList.unshift( boxMesh, boxMesh.geometry, boxMesh.material, 0, 0, null ); - - } else if ( background && background.isTexture ) { - - if ( planeMesh === undefined ) { - - planeMesh = new Mesh( - new PlaneBufferGeometry( 2, 2 ), - new ShaderMaterial( { - type: 'BackgroundMaterial', - uniforms: cloneUniforms( ShaderLib.background.uniforms ), - vertexShader: ShaderLib.background.vertexShader, - fragmentShader: ShaderLib.background.fragmentShader, - side: FrontSide, - depthTest: false, - depthWrite: false, - fog: false - } ) - ); - - planeMesh.geometry.removeAttribute( 'normal' ); - - // enable code injection for non-built-in material - Object.defineProperty( planeMesh.material, 'map', { - - get: function () { - - return this.uniforms.t2D.value; - - } - - } ); - - objects.update( planeMesh ); - - } - - planeMesh.material.uniforms.t2D.value = background; - - if ( background.matrixAutoUpdate === true ) { - - background.updateMatrix(); - - } - - planeMesh.material.uniforms.uvTransform.value.copy( background.matrix ); - - if ( currentBackground !== background || - currentBackgroundVersion !== background.version ) { - - planeMesh.material.needsUpdate = true; - - currentBackground = background; - currentBackgroundVersion = background.version; - - } - - - // push to the pre-sorted opaque render list - renderList.unshift( planeMesh, planeMesh.geometry, planeMesh.material, 0, 0, null ); - - } - - } - - function setClear( color, alpha ) { - - state.buffers.color.setClear( color.r, color.g, color.b, alpha, premultipliedAlpha ); - - } - - return { - - getClearColor: function () { - - return clearColor; - - }, - setClearColor: function ( color, alpha ) { - - clearColor.set( color ); - clearAlpha = alpha !== undefined ? alpha : 1; - setClear( clearColor, clearAlpha ); - - }, - getClearAlpha: function () { - - return clearAlpha; - - }, - setClearAlpha: function ( alpha ) { - - clearAlpha = alpha; - setClear( clearColor, clearAlpha ); - - }, - render: render - - }; - - } - - /** - * @author mrdoob / http://mrdoob.com/ - */ - - function WebGLBufferRenderer( gl, extensions, info, capabilities ) { - - var mode; - - function setMode( value ) { - - mode = value; - - } - - function render( start, count ) { - - gl.drawArrays( mode, start, count ); - - info.update( count, mode ); - - } - - function renderInstances( geometry, start, count ) { - - var extension, methodName; - - if ( capabilities.isWebGL2 ) { - - extension = gl; - methodName = 'drawArraysInstanced'; - - } else { - - extension = extensions.get( 'ANGLE_instanced_arrays' ); - methodName = 'drawArraysInstancedANGLE'; - - if ( extension === null ) { - - console.error( 'THREE.WebGLBufferRenderer: using THREE.InstancedBufferGeometry but hardware does not support extension ANGLE_instanced_arrays.' ); - return; - - } - - } - - extension[ methodName ]( mode, start, count, geometry.maxInstancedCount ); - - info.update( count, mode, geometry.maxInstancedCount ); - - } - - // - - this.setMode = setMode; - this.render = render; - this.renderInstances = renderInstances; - - } - - /** - * @author mrdoob / http://mrdoob.com/ - */ - - function WebGLCapabilities( gl, extensions, parameters ) { - - var maxAnisotropy; - - function getMaxAnisotropy() { - - if ( maxAnisotropy !== undefined ) return maxAnisotropy; - - var extension = extensions.get( 'EXT_texture_filter_anisotropic' ); - - if ( extension !== null ) { - - maxAnisotropy = gl.getParameter( extension.MAX_TEXTURE_MAX_ANISOTROPY_EXT ); - - } else { - - maxAnisotropy = 0; - - } - - return maxAnisotropy; - - } - - function getMaxPrecision( precision ) { - - if ( precision === 'highp' ) { - - if ( gl.getShaderPrecisionFormat( 35633, 36338 ).precision > 0 && - gl.getShaderPrecisionFormat( 35632, 36338 ).precision > 0 ) { - - return 'highp'; - - } - - precision = 'mediump'; - - } - - if ( precision === 'mediump' ) { - - if ( gl.getShaderPrecisionFormat( 35633, 36337 ).precision > 0 && - gl.getShaderPrecisionFormat( 35632, 36337 ).precision > 0 ) { - - return 'mediump'; - - } - - } - - return 'lowp'; - - } - - var isWebGL2 = typeof WebGL2RenderingContext !== 'undefined' && gl instanceof WebGL2RenderingContext; - - var precision = parameters.precision !== undefined ? parameters.precision : 'highp'; - var maxPrecision = getMaxPrecision( precision ); - - if ( maxPrecision !== precision ) { - - console.warn( 'THREE.WebGLRenderer:', precision, 'not supported, using', maxPrecision, 'instead.' ); - precision = maxPrecision; - - } - - var logarithmicDepthBuffer = parameters.logarithmicDepthBuffer === true; - - var maxTextures = gl.getParameter( 34930 ); - var maxVertexTextures = gl.getParameter( 35660 ); - var maxTextureSize = gl.getParameter( 3379 ); - var maxCubemapSize = gl.getParameter( 34076 ); - - var maxAttributes = gl.getParameter( 34921 ); - var maxVertexUniforms = gl.getParameter( 36347 ); - var maxVaryings = gl.getParameter( 36348 ); - var maxFragmentUniforms = gl.getParameter( 36349 ); - - var vertexTextures = maxVertexTextures > 0; - var floatFragmentTextures = isWebGL2 || !! extensions.get( 'OES_texture_float' ); - var floatVertexTextures = vertexTextures && floatFragmentTextures; - - var maxSamples = isWebGL2 ? gl.getParameter( 36183 ) : 0; - - return { - - isWebGL2: isWebGL2, - - getMaxAnisotropy: getMaxAnisotropy, - getMaxPrecision: getMaxPrecision, - - precision: precision, - logarithmicDepthBuffer: logarithmicDepthBuffer, - - maxTextures: maxTextures, - maxVertexTextures: maxVertexTextures, - maxTextureSize: maxTextureSize, - maxCubemapSize: maxCubemapSize, - - maxAttributes: maxAttributes, - maxVertexUniforms: maxVertexUniforms, - maxVaryings: maxVaryings, - maxFragmentUniforms: maxFragmentUniforms, - - vertexTextures: vertexTextures, - floatFragmentTextures: floatFragmentTextures, - floatVertexTextures: floatVertexTextures, - - maxSamples: maxSamples - - }; - - } - - /** - * @author tschw - */ - - function WebGLClipping() { - - var scope = this, - - globalState = null, - numGlobalPlanes = 0, - localClippingEnabled = false, - renderingShadows = false, - - plane = new Plane(), - viewNormalMatrix = new Matrix3(), - - uniform = { value: null, needsUpdate: false }; - - this.uniform = uniform; - this.numPlanes = 0; - this.numIntersection = 0; - - this.init = function ( planes, enableLocalClipping, camera ) { - - var enabled = - planes.length !== 0 || - enableLocalClipping || - // enable state of previous frame - the clipping code has to - // run another frame in order to reset the state: - numGlobalPlanes !== 0 || - localClippingEnabled; - - localClippingEnabled = enableLocalClipping; - - globalState = projectPlanes( planes, camera, 0 ); - numGlobalPlanes = planes.length; - - return enabled; - - }; - - this.beginShadows = function () { - - renderingShadows = true; - projectPlanes( null ); - - }; - - this.endShadows = function () { - - renderingShadows = false; - resetGlobalState(); - - }; - - this.setState = function ( planes, clipIntersection, clipShadows, camera, cache, fromCache ) { - - if ( ! localClippingEnabled || planes === null || planes.length === 0 || renderingShadows && ! clipShadows ) { - - // there's no local clipping - - if ( renderingShadows ) { - - // there's no global clipping - - projectPlanes( null ); - - } else { - - resetGlobalState(); - - } - - } else { - - var nGlobal = renderingShadows ? 0 : numGlobalPlanes, - lGlobal = nGlobal * 4, - - dstArray = cache.clippingState || null; - - uniform.value = dstArray; // ensure unique state - - dstArray = projectPlanes( planes, camera, lGlobal, fromCache ); - - for ( var i = 0; i !== lGlobal; ++ i ) { - - dstArray[ i ] = globalState[ i ]; - - } - - cache.clippingState = dstArray; - this.numIntersection = clipIntersection ? this.numPlanes : 0; - this.numPlanes += nGlobal; - - } - - - }; - - function resetGlobalState() { - - if ( uniform.value !== globalState ) { - - uniform.value = globalState; - uniform.needsUpdate = numGlobalPlanes > 0; - - } - - scope.numPlanes = numGlobalPlanes; - scope.numIntersection = 0; - - } - - function projectPlanes( planes, camera, dstOffset, skipTransform ) { - - var nPlanes = planes !== null ? planes.length : 0, - dstArray = null; - - if ( nPlanes !== 0 ) { - - dstArray = uniform.value; - - if ( skipTransform !== true || dstArray === null ) { - - var flatSize = dstOffset + nPlanes * 4, - viewMatrix = camera.matrixWorldInverse; - - viewNormalMatrix.getNormalMatrix( viewMatrix ); - - if ( dstArray === null || dstArray.length < flatSize ) { - - dstArray = new Float32Array( flatSize ); - - } - - for ( var i = 0, i4 = dstOffset; i !== nPlanes; ++ i, i4 += 4 ) { - - plane.copy( planes[ i ] ).applyMatrix4( viewMatrix, viewNormalMatrix ); - - plane.normal.toArray( dstArray, i4 ); - dstArray[ i4 + 3 ] = plane.constant; - - } - - } - - uniform.value = dstArray; - uniform.needsUpdate = true; - - } - - scope.numPlanes = nPlanes; - - return dstArray; - - } - - } - - /** - * @author mrdoob / http://mrdoob.com/ - */ - - function WebGLExtensions( gl ) { - - var extensions = {}; - - return { - - get: function ( name ) { - - if ( extensions[ name ] !== undefined ) { - - return extensions[ name ]; - - } - - var extension; - - switch ( name ) { - - case 'WEBGL_depth_texture': - extension = gl.getExtension( 'WEBGL_depth_texture' ) || gl.getExtension( 'MOZ_WEBGL_depth_texture' ) || gl.getExtension( 'WEBKIT_WEBGL_depth_texture' ); - break; - - case 'EXT_texture_filter_anisotropic': - extension = gl.getExtension( 'EXT_texture_filter_anisotropic' ) || gl.getExtension( 'MOZ_EXT_texture_filter_anisotropic' ) || gl.getExtension( 'WEBKIT_EXT_texture_filter_anisotropic' ); - break; - - case 'WEBGL_compressed_texture_s3tc': - extension = gl.getExtension( 'WEBGL_compressed_texture_s3tc' ) || gl.getExtension( 'MOZ_WEBGL_compressed_texture_s3tc' ) || gl.getExtension( 'WEBKIT_WEBGL_compressed_texture_s3tc' ); - break; - - case 'WEBGL_compressed_texture_pvrtc': - extension = gl.getExtension( 'WEBGL_compressed_texture_pvrtc' ) || gl.getExtension( 'WEBKIT_WEBGL_compressed_texture_pvrtc' ); - break; - - default: - extension = gl.getExtension( name ); - - } - - if ( extension === null ) { - - console.warn( 'THREE.WebGLRenderer: ' + name + ' extension not supported.' ); - - } - - extensions[ name ] = extension; - - return extension; - - } - - }; - - } - - /** - * @author mrdoob / http://mrdoob.com/ - */ - - function WebGLGeometries( gl, attributes, info ) { - - var geometries = new WeakMap(); - var wireframeAttributes = new WeakMap(); - - function onGeometryDispose( event ) { - - var geometry = event.target; - var buffergeometry = geometries.get( geometry ); - - if ( buffergeometry.index !== null ) { - - attributes.remove( buffergeometry.index ); - - } - - for ( var name in buffergeometry.attributes ) { - - attributes.remove( buffergeometry.attributes[ name ] ); - - } - - geometry.removeEventListener( 'dispose', onGeometryDispose ); - - geometries.delete( geometry ); - - var attribute = wireframeAttributes.get( buffergeometry ); - - if ( attribute ) { - - attributes.remove( attribute ); - wireframeAttributes.delete( buffergeometry ); - - } - - // - - info.memory.geometries --; - - } - - function get( object, geometry ) { - - var buffergeometry = geometries.get( geometry ); - - if ( buffergeometry ) return buffergeometry; - - geometry.addEventListener( 'dispose', onGeometryDispose ); - - if ( geometry.isBufferGeometry ) { - - buffergeometry = geometry; - - } else if ( geometry.isGeometry ) { - - if ( geometry._bufferGeometry === undefined ) { - - geometry._bufferGeometry = new BufferGeometry().setFromObject( object ); - - } - - buffergeometry = geometry._bufferGeometry; - - } - - geometries.set( geometry, buffergeometry ); - - info.memory.geometries ++; - - return buffergeometry; - - } - - function update( geometry ) { - - var index = geometry.index; - var geometryAttributes = geometry.attributes; - - if ( index !== null ) { - - attributes.update( index, 34963 ); - - } - - for ( var name in geometryAttributes ) { - - attributes.update( geometryAttributes[ name ], 34962 ); - - } - - // morph targets - - var morphAttributes = geometry.morphAttributes; - - for ( var name in morphAttributes ) { - - var array = morphAttributes[ name ]; - - for ( var i = 0, l = array.length; i < l; i ++ ) { - - attributes.update( array[ i ], 34962 ); - - } - - } - - } - - function updateWireframeAttribute( geometry ) { - - var indices = []; - - var geometryIndex = geometry.index; - var geometryPosition = geometry.attributes.position; - var version = 0; - - if ( geometryIndex !== null ) { - - var array = geometryIndex.array; - version = geometryIndex.version; - - for ( var i = 0, l = array.length; i < l; i += 3 ) { - - var a = array[ i + 0 ]; - var b = array[ i + 1 ]; - var c = array[ i + 2 ]; - - indices.push( a, b, b, c, c, a ); - - } - - } else { - - var array = geometryPosition.array; - version = geometryPosition.version; - - for ( var i = 0, l = ( array.length / 3 ) - 1; i < l; i += 3 ) { - - var a = i + 0; - var b = i + 1; - var c = i + 2; - - indices.push( a, b, b, c, c, a ); - - } - - } - - var attribute = new ( arrayMax( indices ) > 65535 ? Uint32BufferAttribute : Uint16BufferAttribute )( indices, 1 ); - attribute.version = version; - - attributes.update( attribute, 34963 ); - - // - - var previousAttribute = wireframeAttributes.get( geometry ); - - if ( previousAttribute ) attributes.remove( previousAttribute ); - - // - - wireframeAttributes.set( geometry, attribute ); - - } - - function getWireframeAttribute( geometry ) { - - var currentAttribute = wireframeAttributes.get( geometry ); - - if ( currentAttribute ) { - - var geometryIndex = geometry.index; - - if ( geometryIndex !== null ) { - - // if the attribute is obsolete, create a new one - - if ( currentAttribute.version < geometryIndex.version ) { - - updateWireframeAttribute( geometry ); - - } - - } - - } else { - - updateWireframeAttribute( geometry ); - - } - - return wireframeAttributes.get( geometry ); - - } - - return { - - get: get, - update: update, - - getWireframeAttribute: getWireframeAttribute - - }; - - } - - /** - * @author mrdoob / http://mrdoob.com/ - */ - - function WebGLIndexedBufferRenderer( gl, extensions, info, capabilities ) { - - var mode; - - function setMode( value ) { - - mode = value; - - } - - var type, bytesPerElement; - - function setIndex( value ) { - - type = value.type; - bytesPerElement = value.bytesPerElement; - - } - - function render( start, count ) { - - gl.drawElements( mode, count, type, start * bytesPerElement ); - - info.update( count, mode ); - - } - - function renderInstances( geometry, start, count ) { - - var extension, methodName; - - if ( capabilities.isWebGL2 ) { - - extension = gl; - methodName = 'drawElementsInstanced'; - - } else { - - extension = extensions.get( 'ANGLE_instanced_arrays' ); - methodName = 'drawElementsInstancedANGLE'; - - if ( extension === null ) { - - console.error( 'THREE.WebGLIndexedBufferRenderer: using THREE.InstancedBufferGeometry but hardware does not support extension ANGLE_instanced_arrays.' ); - return; - - } - - } - - extension[ methodName ]( mode, count, type, start * bytesPerElement, geometry.maxInstancedCount ); - - info.update( count, mode, geometry.maxInstancedCount ); - - } - - // - - this.setMode = setMode; - this.setIndex = setIndex; - this.render = render; - this.renderInstances = renderInstances; - - } - - /** - * @author Mugen87 / https://github.com/Mugen87 - */ - - function WebGLInfo( gl ) { - - var memory = { - geometries: 0, - textures: 0 - }; - - var render = { - frame: 0, - calls: 0, - triangles: 0, - points: 0, - lines: 0 - }; - - function update( count, mode, instanceCount ) { - - instanceCount = instanceCount || 1; - - render.calls ++; - - switch ( mode ) { - - case 4: - render.triangles += instanceCount * ( count / 3 ); - break; - - case 5: - case 6: - render.triangles += instanceCount * ( count - 2 ); - break; - - case 1: - render.lines += instanceCount * ( count / 2 ); - break; - - case 3: - render.lines += instanceCount * ( count - 1 ); - break; - - case 2: - render.lines += instanceCount * count; - break; - - case 0: - render.points += instanceCount * count; - break; - - default: - console.error( 'THREE.WebGLInfo: Unknown draw mode:', mode ); - break; - - } - - } - - function reset() { - - render.frame ++; - render.calls = 0; - render.triangles = 0; - render.points = 0; - render.lines = 0; - - } - - return { - memory: memory, - render: render, - programs: null, - autoReset: true, - reset: reset, - update: update - }; - - } - - /** - * @author mrdoob / http://mrdoob.com/ - */ - - function absNumericalSort( a, b ) { - - return Math.abs( b[ 1 ] ) - Math.abs( a[ 1 ] ); - - } - - function WebGLMorphtargets( gl ) { - - var influencesList = {}; - var morphInfluences = new Float32Array( 8 ); - - function update( object, geometry, material, program ) { - - var objectInfluences = object.morphTargetInfluences; - - var length = objectInfluences.length; - - var influences = influencesList[ geometry.id ]; - - if ( influences === undefined ) { - - // initialise list - - influences = []; - - for ( var i = 0; i < length; i ++ ) { - - influences[ i ] = [ i, 0 ]; - - } - - influencesList[ geometry.id ] = influences; - - } - - var morphTargets = material.morphTargets && geometry.morphAttributes.position; - var morphNormals = material.morphNormals && geometry.morphAttributes.normal; - - // Remove current morphAttributes - - for ( var i = 0; i < length; i ++ ) { - - var influence = influences[ i ]; - - if ( influence[ 1 ] !== 0 ) { - - if ( morphTargets ) geometry.removeAttribute( 'morphTarget' + i ); - if ( morphNormals ) geometry.removeAttribute( 'morphNormal' + i ); - - } - - } - - // Collect influences - - for ( var i = 0; i < length; i ++ ) { - - var influence = influences[ i ]; - - influence[ 0 ] = i; - influence[ 1 ] = objectInfluences[ i ]; - - } - - influences.sort( absNumericalSort ); - - // Add morphAttributes - - for ( var i = 0; i < 8; i ++ ) { - - var influence = influences[ i ]; - - if ( influence ) { - - var index = influence[ 0 ]; - var value = influence[ 1 ]; - - if ( value ) { - - if ( morphTargets ) geometry.addAttribute( 'morphTarget' + i, morphTargets[ index ] ); - if ( morphNormals ) geometry.addAttribute( 'morphNormal' + i, morphNormals[ index ] ); - - morphInfluences[ i ] = value; - continue; - - } - - } - - morphInfluences[ i ] = 0; - - } - - program.getUniforms().setValue( gl, 'morphTargetInfluences', morphInfluences ); - - } - - return { - - update: update - - }; - - } - - /** - * @author mrdoob / http://mrdoob.com/ - */ - - function WebGLObjects( geometries, info ) { - - var updateList = {}; - - function update( object ) { - - var frame = info.render.frame; - - var geometry = object.geometry; - var buffergeometry = geometries.get( object, geometry ); - - // Update once per frame - - if ( updateList[ buffergeometry.id ] !== frame ) { - - if ( geometry.isGeometry ) { - - buffergeometry.updateFromObject( object ); - - } - - geometries.update( buffergeometry ); - - updateList[ buffergeometry.id ] = frame; - - } - - return buffergeometry; - - } - - function dispose() { - - updateList = {}; - - } - - return { - - update: update, - dispose: dispose - - }; - - } - - /** - * @author mrdoob / http://mrdoob.com/ - */ - - function CubeTexture( images, mapping, wrapS, wrapT, magFilter, minFilter, format, type, anisotropy, encoding ) { - - images = images !== undefined ? images : []; - mapping = mapping !== undefined ? mapping : CubeReflectionMapping; - format = format !== undefined ? format : RGBFormat; - - Texture.call( this, images, mapping, wrapS, wrapT, magFilter, minFilter, format, type, anisotropy, encoding ); - - this.flipY = false; - - } - - CubeTexture.prototype = Object.create( Texture.prototype ); - CubeTexture.prototype.constructor = CubeTexture; - - CubeTexture.prototype.isCubeTexture = true; - - Object.defineProperty( CubeTexture.prototype, 'images', { - - get: function () { - - return this.image; - - }, - - set: function ( value ) { - - this.image = value; - - } - - } ); - - /** - * @author Takahiro https://github.com/takahirox - */ - - function DataTexture2DArray( data, width, height, depth ) { - - Texture.call( this, null ); - - this.image = { data: data, width: width, height: height, depth: depth }; - - this.magFilter = NearestFilter; - this.minFilter = NearestFilter; - - this.wrapR = ClampToEdgeWrapping; - - this.generateMipmaps = false; - this.flipY = false; - - } - - DataTexture2DArray.prototype = Object.create( Texture.prototype ); - DataTexture2DArray.prototype.constructor = DataTexture2DArray; - DataTexture2DArray.prototype.isDataTexture2DArray = true; - - /** - * @author Artur Trzesiok - */ - - function DataTexture3D( data, width, height, depth ) { - - // We're going to add .setXXX() methods for setting properties later. - // Users can still set in DataTexture3D directly. - // - // var texture = new THREE.DataTexture3D( data, width, height, depth ); - // texture.anisotropy = 16; - // - // See #14839 - - Texture.call( this, null ); - - this.image = { data: data, width: width, height: height, depth: depth }; - - this.magFilter = NearestFilter; - this.minFilter = NearestFilter; - - this.wrapR = ClampToEdgeWrapping; - - this.generateMipmaps = false; - this.flipY = false; - - } - - DataTexture3D.prototype = Object.create( Texture.prototype ); - DataTexture3D.prototype.constructor = DataTexture3D; - DataTexture3D.prototype.isDataTexture3D = true; - - /** - * @author tschw - * @author Mugen87 / https://github.com/Mugen87 - * @author mrdoob / http://mrdoob.com/ - * - * Uniforms of a program. - * Those form a tree structure with a special top-level container for the root, - * which you get by calling 'new WebGLUniforms( gl, program )'. - * - * - * Properties of inner nodes including the top-level container: - * - * .seq - array of nested uniforms - * .map - nested uniforms by name - * - * - * Methods of all nodes except the top-level container: - * - * .setValue( gl, value, [textures] ) - * - * uploads a uniform value(s) - * the 'textures' parameter is needed for sampler uniforms - * - * - * Static methods of the top-level container (textures factorizations): - * - * .upload( gl, seq, values, textures ) - * - * sets uniforms in 'seq' to 'values[id].value' - * - * .seqWithValue( seq, values ) : filteredSeq - * - * filters 'seq' entries with corresponding entry in values - * - * - * Methods of the top-level container (textures factorizations): - * - * .setValue( gl, name, value, textures ) - * - * sets uniform with name 'name' to 'value' - * - * .setOptional( gl, obj, prop ) - * - * like .set for an optional property of the object - * - */ - - var emptyTexture = new Texture(); - var emptyTexture2dArray = new DataTexture2DArray(); - var emptyTexture3d = new DataTexture3D(); - var emptyCubeTexture = new CubeTexture(); - - // --- Utilities --- - - // Array Caches (provide typed arrays for temporary by size) - - var arrayCacheF32 = []; - var arrayCacheI32 = []; - - // Float32Array caches used for uploading Matrix uniforms - - var mat4array = new Float32Array( 16 ); - var mat3array = new Float32Array( 9 ); - var mat2array = new Float32Array( 4 ); - - // Flattening for arrays of vectors and matrices - - function flatten( array, nBlocks, blockSize ) { - - var firstElem = array[ 0 ]; - - if ( firstElem <= 0 || firstElem > 0 ) return array; - // unoptimized: ! isNaN( firstElem ) - // see http://jacksondunstan.com/articles/983 - - var n = nBlocks * blockSize, - r = arrayCacheF32[ n ]; - - if ( r === undefined ) { - - r = new Float32Array( n ); - arrayCacheF32[ n ] = r; - - } - - if ( nBlocks !== 0 ) { - - firstElem.toArray( r, 0 ); - - for ( var i = 1, offset = 0; i !== nBlocks; ++ i ) { - - offset += blockSize; - array[ i ].toArray( r, offset ); - - } - - } - - return r; - - } - - function arraysEqual( a, b ) { - - if ( a.length !== b.length ) return false; - - for ( var i = 0, l = a.length; i < l; i ++ ) { - - if ( a[ i ] !== b[ i ] ) return false; - - } - - return true; - - } - - function copyArray( a, b ) { - - for ( var i = 0, l = b.length; i < l; i ++ ) { - - a[ i ] = b[ i ]; - - } - - } - - // Texture unit allocation - - function allocTexUnits( textures, n ) { - - var r = arrayCacheI32[ n ]; - - if ( r === undefined ) { - - r = new Int32Array( n ); - arrayCacheI32[ n ] = r; - - } - - for ( var i = 0; i !== n; ++ i ) - r[ i ] = textures.allocateTextureUnit(); - - return r; - - } - - // --- Setters --- - - // Note: Defining these methods externally, because they come in a bunch - // and this way their names minify. - - // Single scalar - - function setValueV1f( gl, v ) { - - var cache = this.cache; - - if ( cache[ 0 ] === v ) return; - - gl.uniform1f( this.addr, v ); - - cache[ 0 ] = v; - - } - - // Single float vector (from flat array or THREE.VectorN) - - function setValueV2f( gl, v ) { - - var cache = this.cache; - - if ( v.x !== undefined ) { - - if ( cache[ 0 ] !== v.x || cache[ 1 ] !== v.y ) { - - gl.uniform2f( this.addr, v.x, v.y ); - - cache[ 0 ] = v.x; - cache[ 1 ] = v.y; - - } - - } else { - - if ( arraysEqual( cache, v ) ) return; - - gl.uniform2fv( this.addr, v ); - - copyArray( cache, v ); - - } - - } - - function setValueV3f( gl, v ) { - - var cache = this.cache; - - if ( v.x !== undefined ) { - - if ( cache[ 0 ] !== v.x || cache[ 1 ] !== v.y || cache[ 2 ] !== v.z ) { - - gl.uniform3f( this.addr, v.x, v.y, v.z ); - - cache[ 0 ] = v.x; - cache[ 1 ] = v.y; - cache[ 2 ] = v.z; - - } - - } else if ( v.r !== undefined ) { - - if ( cache[ 0 ] !== v.r || cache[ 1 ] !== v.g || cache[ 2 ] !== v.b ) { - - gl.uniform3f( this.addr, v.r, v.g, v.b ); - - cache[ 0 ] = v.r; - cache[ 1 ] = v.g; - cache[ 2 ] = v.b; - - } - - } else { - - if ( arraysEqual( cache, v ) ) return; - - gl.uniform3fv( this.addr, v ); - - copyArray( cache, v ); - - } - - } - - function setValueV4f( gl, v ) { - - var cache = this.cache; - - if ( v.x !== undefined ) { - - if ( cache[ 0 ] !== v.x || cache[ 1 ] !== v.y || cache[ 2 ] !== v.z || cache[ 3 ] !== v.w ) { - - gl.uniform4f( this.addr, v.x, v.y, v.z, v.w ); - - cache[ 0 ] = v.x; - cache[ 1 ] = v.y; - cache[ 2 ] = v.z; - cache[ 3 ] = v.w; - - } - - } else { - - if ( arraysEqual( cache, v ) ) return; - - gl.uniform4fv( this.addr, v ); - - copyArray( cache, v ); - - } - - } - - // Single matrix (from flat array or MatrixN) - - function setValueM2( gl, v ) { - - var cache = this.cache; - var elements = v.elements; - - if ( elements === undefined ) { - - if ( arraysEqual( cache, v ) ) return; - - gl.uniformMatrix2fv( this.addr, false, v ); - - copyArray( cache, v ); - - } else { - - if ( arraysEqual( cache, elements ) ) return; - - mat2array.set( elements ); - - gl.uniformMatrix2fv( this.addr, false, mat2array ); - - copyArray( cache, elements ); - - } - - } - - function setValueM3( gl, v ) { - - var cache = this.cache; - var elements = v.elements; - - if ( elements === undefined ) { - - if ( arraysEqual( cache, v ) ) return; - - gl.uniformMatrix3fv( this.addr, false, v ); - - copyArray( cache, v ); - - } else { - - if ( arraysEqual( cache, elements ) ) return; - - mat3array.set( elements ); - - gl.uniformMatrix3fv( this.addr, false, mat3array ); - - copyArray( cache, elements ); - - } - - } - - function setValueM4( gl, v ) { - - var cache = this.cache; - var elements = v.elements; - - if ( elements === undefined ) { - - if ( arraysEqual( cache, v ) ) return; - - gl.uniformMatrix4fv( this.addr, false, v ); - - copyArray( cache, v ); - - } else { - - if ( arraysEqual( cache, elements ) ) return; - - mat4array.set( elements ); - - gl.uniformMatrix4fv( this.addr, false, mat4array ); - - copyArray( cache, elements ); - - } - - } - - // Single texture (2D / Cube) - - function setValueT1( gl, v, textures ) { - - var cache = this.cache; - var unit = textures.allocateTextureUnit(); - - if ( cache[ 0 ] !== unit ) { - - gl.uniform1i( this.addr, unit ); - cache[ 0 ] = unit; - - } - - textures.safeSetTexture2D( v || emptyTexture, unit ); - - } - - function setValueT2DArray1( gl, v, textures ) { - - var cache = this.cache; - var unit = textures.allocateTextureUnit(); - - if ( cache[ 0 ] !== unit ) { - - gl.uniform1i( this.addr, unit ); - cache[ 0 ] = unit; - - } - - textures.setTexture2DArray( v || emptyTexture2dArray, unit ); - - } - - function setValueT3D1( gl, v, textures ) { - - var cache = this.cache; - var unit = textures.allocateTextureUnit(); - - if ( cache[ 0 ] !== unit ) { - - gl.uniform1i( this.addr, unit ); - cache[ 0 ] = unit; - - } - - textures.setTexture3D( v || emptyTexture3d, unit ); - - } - - function setValueT6( gl, v, textures ) { - - var cache = this.cache; - var unit = textures.allocateTextureUnit(); - - if ( cache[ 0 ] !== unit ) { - - gl.uniform1i( this.addr, unit ); - cache[ 0 ] = unit; - - } - - textures.safeSetTextureCube( v || emptyCubeTexture, unit ); - - } - - // Integer / Boolean vectors or arrays thereof (always flat arrays) - - function setValueV1i( gl, v ) { - - var cache = this.cache; - - if ( cache[ 0 ] === v ) return; - - gl.uniform1i( this.addr, v ); - - cache[ 0 ] = v; - - } - - function setValueV2i( gl, v ) { - - var cache = this.cache; - - if ( arraysEqual( cache, v ) ) return; - - gl.uniform2iv( this.addr, v ); - - copyArray( cache, v ); - - } - - function setValueV3i( gl, v ) { - - var cache = this.cache; - - if ( arraysEqual( cache, v ) ) return; - - gl.uniform3iv( this.addr, v ); - - copyArray( cache, v ); - - } - - function setValueV4i( gl, v ) { - - var cache = this.cache; - - if ( arraysEqual( cache, v ) ) return; - - gl.uniform4iv( this.addr, v ); - - copyArray( cache, v ); - - } - - // Helper to pick the right setter for the singular case - - function getSingularSetter( type ) { - - switch ( type ) { - - case 0x1406: return setValueV1f; // FLOAT - case 0x8b50: return setValueV2f; // _VEC2 - case 0x8b51: return setValueV3f; // _VEC3 - case 0x8b52: return setValueV4f; // _VEC4 - - case 0x8b5a: return setValueM2; // _MAT2 - case 0x8b5b: return setValueM3; // _MAT3 - case 0x8b5c: return setValueM4; // _MAT4 - - case 0x8b5e: case 0x8d66: return setValueT1; // SAMPLER_2D, SAMPLER_EXTERNAL_OES - case 0x8b5f: return setValueT3D1; // SAMPLER_3D - case 0x8b60: return setValueT6; // SAMPLER_CUBE - case 0x8DC1: return setValueT2DArray1; // SAMPLER_2D_ARRAY - - case 0x1404: case 0x8b56: return setValueV1i; // INT, BOOL - case 0x8b53: case 0x8b57: return setValueV2i; // _VEC2 - case 0x8b54: case 0x8b58: return setValueV3i; // _VEC3 - case 0x8b55: case 0x8b59: return setValueV4i; // _VEC4 - - } - - } - - // Array of scalars - function setValueV1fArray( gl, v ) { - - gl.uniform1fv( this.addr, v ); - - } - - // Integer / Boolean vectors or arrays thereof (always flat arrays) - function setValueV1iArray( gl, v ) { - - gl.uniform1iv( this.addr, v ); - - } - - function setValueV2iArray( gl, v ) { - - gl.uniform2iv( this.addr, v ); - - } - - function setValueV3iArray( gl, v ) { - - gl.uniform3iv( this.addr, v ); - - } - - function setValueV4iArray( gl, v ) { - - gl.uniform4iv( this.addr, v ); - - } - - - // Array of vectors (flat or from THREE classes) - - function setValueV2fArray( gl, v ) { - - var data = flatten( v, this.size, 2 ); - - gl.uniform2fv( this.addr, data ); - - } - - function setValueV3fArray( gl, v ) { - - var data = flatten( v, this.size, 3 ); - - gl.uniform3fv( this.addr, data ); - - } - - function setValueV4fArray( gl, v ) { - - var data = flatten( v, this.size, 4 ); - - gl.uniform4fv( this.addr, data ); - - } - - // Array of matrices (flat or from THREE clases) - - function setValueM2Array( gl, v ) { - - var data = flatten( v, this.size, 4 ); - - gl.uniformMatrix2fv( this.addr, false, data ); - - } - - function setValueM3Array( gl, v ) { - - var data = flatten( v, this.size, 9 ); - - gl.uniformMatrix3fv( this.addr, false, data ); - - } - - function setValueM4Array( gl, v ) { - - var data = flatten( v, this.size, 16 ); - - gl.uniformMatrix4fv( this.addr, false, data ); - - } - - // Array of textures (2D / Cube) - - function setValueT1Array( gl, v, textures ) { - - var n = v.length; - - var units = allocTexUnits( textures, n ); - - gl.uniform1iv( this.addr, units ); - - for ( var i = 0; i !== n; ++ i ) { - - textures.safeSetTexture2D( v[ i ] || emptyTexture, units[ i ] ); - - } - - } - - function setValueT6Array( gl, v, textures ) { - - var n = v.length; - - var units = allocTexUnits( textures, n ); - - gl.uniform1iv( this.addr, units ); - - for ( var i = 0; i !== n; ++ i ) { - - textures.safeSetTextureCube( v[ i ] || emptyCubeTexture, units[ i ] ); - - } - - } - - // Helper to pick the right setter for a pure (bottom-level) array - - function getPureArraySetter( type ) { - - switch ( type ) { - - case 0x1406: return setValueV1fArray; // FLOAT - case 0x8b50: return setValueV2fArray; // _VEC2 - case 0x8b51: return setValueV3fArray; // _VEC3 - case 0x8b52: return setValueV4fArray; // _VEC4 - - case 0x8b5a: return setValueM2Array; // _MAT2 - case 0x8b5b: return setValueM3Array; // _MAT3 - case 0x8b5c: return setValueM4Array; // _MAT4 - - case 0x8b5e: return setValueT1Array; // SAMPLER_2D - case 0x8b60: return setValueT6Array; // SAMPLER_CUBE - - case 0x1404: case 0x8b56: return setValueV1iArray; // INT, BOOL - case 0x8b53: case 0x8b57: return setValueV2iArray; // _VEC2 - case 0x8b54: case 0x8b58: return setValueV3iArray; // _VEC3 - case 0x8b55: case 0x8b59: return setValueV4iArray; // _VEC4 - - } - - } - - // --- Uniform Classes --- - - function SingleUniform( id, activeInfo, addr ) { - - this.id = id; - this.addr = addr; - this.cache = []; - this.setValue = getSingularSetter( activeInfo.type ); - - // this.path = activeInfo.name; // false - - } - - function PureArrayUniform( id, activeInfo, addr ) { - - this.id = id; - this.addr = addr; - this.cache = []; - this.size = activeInfo.size; - this.setValue = getPureArraySetter( activeInfo.type ); - - // this.path = activeInfo.name; // false - - } - - PureArrayUniform.prototype.updateCache = function ( data ) { - - var cache = this.cache; - - if ( data instanceof Float32Array && cache.length !== data.length ) { - - this.cache = new Float32Array( data.length ); - - } - - copyArray( cache, data ); - - }; - - function StructuredUniform( id ) { - - this.id = id; - - this.seq = []; - this.map = {}; - - } - - StructuredUniform.prototype.setValue = function ( gl, value, textures ) { - - var seq = this.seq; - - for ( var i = 0, n = seq.length; i !== n; ++ i ) { - - var u = seq[ i ]; - u.setValue( gl, value[ u.id ], textures ); - - } - - }; - - // --- Top-level --- - - // Parser - builds up the property tree from the path strings - - var RePathPart = /([\w\d_]+)(\])?(\[|\.)?/g; - - // extracts - // - the identifier (member name or array index) - // - followed by an optional right bracket (found when array index) - // - followed by an optional left bracket or dot (type of subscript) - // - // Note: These portions can be read in a non-overlapping fashion and - // allow straightforward parsing of the hierarchy that WebGL encodes - // in the uniform names. - - function addUniform( container, uniformObject ) { - - container.seq.push( uniformObject ); - container.map[ uniformObject.id ] = uniformObject; - - } - - function parseUniform( activeInfo, addr, container ) { - - var path = activeInfo.name, - pathLength = path.length; - - // reset RegExp object, because of the early exit of a previous run - RePathPart.lastIndex = 0; - - while ( true ) { - - var match = RePathPart.exec( path ), - matchEnd = RePathPart.lastIndex, - - id = match[ 1 ], - idIsIndex = match[ 2 ] === ']', - subscript = match[ 3 ]; - - if ( idIsIndex ) id = id | 0; // convert to integer - - if ( subscript === undefined || subscript === '[' && matchEnd + 2 === pathLength ) { - - // bare name or "pure" bottom-level array "[0]" suffix - - addUniform( container, subscript === undefined ? - new SingleUniform( id, activeInfo, addr ) : - new PureArrayUniform( id, activeInfo, addr ) ); - - break; - - } else { - - // step into inner node / create it in case it doesn't exist - - var map = container.map, next = map[ id ]; - - if ( next === undefined ) { - - next = new StructuredUniform( id ); - addUniform( container, next ); - - } - - container = next; - - } - - } - - } - - // Root Container - - function WebGLUniforms( gl, program ) { - - this.seq = []; - this.map = {}; - - var n = gl.getProgramParameter( program, 35718 ); - - for ( var i = 0; i < n; ++ i ) { - - var info = gl.getActiveUniform( program, i ), - addr = gl.getUniformLocation( program, info.name ); - - parseUniform( info, addr, this ); - - } - - } - - WebGLUniforms.prototype.setValue = function ( gl, name, value, textures ) { - - var u = this.map[ name ]; - - if ( u !== undefined ) u.setValue( gl, value, textures ); - - }; - - WebGLUniforms.prototype.setOptional = function ( gl, object, name ) { - - var v = object[ name ]; - - if ( v !== undefined ) this.setValue( gl, name, v ); - - }; - - - // Static interface - - WebGLUniforms.upload = function ( gl, seq, values, textures ) { - - for ( var i = 0, n = seq.length; i !== n; ++ i ) { - - var u = seq[ i ], - v = values[ u.id ]; - - if ( v.needsUpdate !== false ) { - - // note: always updating when .needsUpdate is undefined - u.setValue( gl, v.value, textures ); - - } - - } - - }; - - WebGLUniforms.seqWithValue = function ( seq, values ) { - - var r = []; - - for ( var i = 0, n = seq.length; i !== n; ++ i ) { - - var u = seq[ i ]; - if ( u.id in values ) r.push( u ); - - } - - return r; - - }; - - /** - * @author mrdoob / http://mrdoob.com/ - */ - - function WebGLShader( gl, type, string ) { - - var shader = gl.createShader( type ); - - gl.shaderSource( shader, string ); - gl.compileShader( shader ); - - return shader; - - } - - /** - * @author mrdoob / http://mrdoob.com/ - */ - - var programIdCount = 0; - - function addLineNumbers( string ) { - - var lines = string.split( '\n' ); - - for ( var i = 0; i < lines.length; i ++ ) { - - lines[ i ] = ( i + 1 ) + ': ' + lines[ i ]; - - } - - return lines.join( '\n' ); - - } - - function getEncodingComponents( encoding ) { - - switch ( encoding ) { - - case LinearEncoding: - return [ 'Linear', '( value )' ]; - case sRGBEncoding: - return [ 'sRGB', '( value )' ]; - case RGBEEncoding: - return [ 'RGBE', '( value )' ]; - case RGBM7Encoding: - return [ 'RGBM', '( value, 7.0 )' ]; - case RGBM16Encoding: - return [ 'RGBM', '( value, 16.0 )' ]; - case RGBDEncoding: - return [ 'RGBD', '( value, 256.0 )' ]; - case GammaEncoding: - return [ 'Gamma', '( value, float( GAMMA_FACTOR ) )' ]; - case LogLuvEncoding: - return [ 'LogLuv', '( value )' ]; - default: - throw new Error( 'unsupported encoding: ' + encoding ); - - } - - } - - function getShaderErrors( gl, shader, type ) { - - var status = gl.getShaderParameter( shader, 35713 ); - var log = gl.getShaderInfoLog( shader ).trim(); - - if ( status && log === '' ) return ''; - - // --enable-privileged-webgl-extension - // console.log( '**' + type + '**', gl.getExtension( 'WEBGL_debug_shaders' ).getTranslatedShaderSource( shader ) ); - - var source = gl.getShaderSource( shader ); - - return 'THREE.WebGLShader: gl.getShaderInfoLog() ' + type + '\n' + log + addLineNumbers( source ); - - } - - function getTexelDecodingFunction( functionName, encoding ) { - - var components = getEncodingComponents( encoding ); - return 'vec4 ' + functionName + '( vec4 value ) { return ' + components[ 0 ] + 'ToLinear' + components[ 1 ] + '; }'; - - } - - function getTexelEncodingFunction( functionName, encoding ) { - - var components = getEncodingComponents( encoding ); - return 'vec4 ' + functionName + '( vec4 value ) { return LinearTo' + components[ 0 ] + components[ 1 ] + '; }'; - - } - - function getToneMappingFunction( functionName, toneMapping ) { - - var toneMappingName; - - switch ( toneMapping ) { - - case LinearToneMapping: - toneMappingName = 'Linear'; - break; - - case ReinhardToneMapping: - toneMappingName = 'Reinhard'; - break; - - case Uncharted2ToneMapping: - toneMappingName = 'Uncharted2'; - break; - - case CineonToneMapping: - toneMappingName = 'OptimizedCineon'; - break; - - case ACESFilmicToneMapping: - toneMappingName = 'ACESFilmic'; - break; - - default: - throw new Error( 'unsupported toneMapping: ' + toneMapping ); - - } - - return 'vec3 ' + functionName + '( vec3 color ) { return ' + toneMappingName + 'ToneMapping( color ); }'; - - } - - function generateExtensions( extensions, parameters, rendererExtensions ) { - - extensions = extensions || {}; - - var chunks = [ - ( extensions.derivatives || parameters.envMapCubeUV || parameters.bumpMap || parameters.tangentSpaceNormalMap || parameters.clearcoatNormalMap || parameters.flatShading ) ? '#extension GL_OES_standard_derivatives : enable' : '', - ( extensions.fragDepth || parameters.logarithmicDepthBuffer ) && rendererExtensions.get( 'EXT_frag_depth' ) ? '#extension GL_EXT_frag_depth : enable' : '', - ( extensions.drawBuffers ) && rendererExtensions.get( 'WEBGL_draw_buffers' ) ? '#extension GL_EXT_draw_buffers : require' : '', - ( extensions.shaderTextureLOD || parameters.envMap ) && rendererExtensions.get( 'EXT_shader_texture_lod' ) ? '#extension GL_EXT_shader_texture_lod : enable' : '' - ]; - - return chunks.filter( filterEmptyLine ).join( '\n' ); - - } - - function generateDefines( defines ) { - - var chunks = []; - - for ( var name in defines ) { - - var value = defines[ name ]; - - if ( value === false ) continue; - - chunks.push( '#define ' + name + ' ' + value ); - - } - - return chunks.join( '\n' ); - - } - - function fetchAttributeLocations( gl, program ) { - - var attributes = {}; - - var n = gl.getProgramParameter( program, 35721 ); - - for ( var i = 0; i < n; i ++ ) { - - var info = gl.getActiveAttrib( program, i ); - var name = info.name; - - // console.log( 'THREE.WebGLProgram: ACTIVE VERTEX ATTRIBUTE:', name, i ); - - attributes[ name ] = gl.getAttribLocation( program, name ); - - } - - return attributes; - - } - - function filterEmptyLine( string ) { - - return string !== ''; - - } - - function replaceLightNums( string, parameters ) { - - return string - .replace( /NUM_DIR_LIGHTS/g, parameters.numDirLights ) - .replace( /NUM_SPOT_LIGHTS/g, parameters.numSpotLights ) - .replace( /NUM_RECT_AREA_LIGHTS/g, parameters.numRectAreaLights ) - .replace( /NUM_POINT_LIGHTS/g, parameters.numPointLights ) - .replace( /NUM_HEMI_LIGHTS/g, parameters.numHemiLights ) - .replace( /NUM_DIR_LIGHT_SHADOWS/g, parameters.numDirLightShadows ) - .replace( /NUM_SPOT_LIGHT_SHADOWS/g, parameters.numSpotLightShadows ) - .replace( /NUM_POINT_LIGHT_SHADOWS/g, parameters.numPointLightShadows ); - - } - - function replaceClippingPlaneNums( string, parameters ) { - - return string - .replace( /NUM_CLIPPING_PLANES/g, parameters.numClippingPlanes ) - .replace( /UNION_CLIPPING_PLANES/g, ( parameters.numClippingPlanes - parameters.numClipIntersection ) ); - - } - - function parseIncludes( string ) { - - var pattern = /^[ \t]*#include +<([\w\d./]+)>/gm; - - function replace( match, include ) { - - var replace = ShaderChunk[ include ]; - - if ( replace === undefined ) { - - throw new Error( 'Can not resolve #include <' + include + '>' ); - - } - - return parseIncludes( replace ); - - } - - return string.replace( pattern, replace ); - - } - - function unrollLoops( string ) { - - var pattern = /#pragma unroll_loop[\s]+?for \( int i \= (\d+)\; i < (\d+)\; i \+\+ \) \{([\s\S]+?)(?=\})\}/g; - - function replace( match, start, end, snippet ) { - - var unroll = ''; - - for ( var i = parseInt( start ); i < parseInt( end ); i ++ ) { - - unroll += snippet - .replace( /\[ i \]/g, '[ ' + i + ' ]' ) - .replace( /UNROLLED_LOOP_INDEX/g, i ); - - } - - return unroll; - - } - - return string.replace( pattern, replace ); - - } - - function WebGLProgram( renderer, extensions, code, material, shader, parameters, capabilities ) { - - var gl = renderer.getContext(); - - var defines = material.defines; - - var vertexShader = shader.vertexShader; - var fragmentShader = shader.fragmentShader; - - var shadowMapTypeDefine = 'SHADOWMAP_TYPE_BASIC'; - - if ( parameters.shadowMapType === PCFShadowMap ) { - - shadowMapTypeDefine = 'SHADOWMAP_TYPE_PCF'; - - } else if ( parameters.shadowMapType === PCFSoftShadowMap ) { - - shadowMapTypeDefine = 'SHADOWMAP_TYPE_PCF_SOFT'; - - } else if ( parameters.shadowMapType === VSMShadowMap ) { - - shadowMapTypeDefine = 'SHADOWMAP_TYPE_VSM'; - - } - - var envMapTypeDefine = 'ENVMAP_TYPE_CUBE'; - var envMapModeDefine = 'ENVMAP_MODE_REFLECTION'; - var envMapBlendingDefine = 'ENVMAP_BLENDING_MULTIPLY'; - - if ( parameters.envMap ) { - - switch ( material.envMap.mapping ) { - - case CubeReflectionMapping: - case CubeRefractionMapping: - envMapTypeDefine = 'ENVMAP_TYPE_CUBE'; - break; - - case CubeUVReflectionMapping: - case CubeUVRefractionMapping: - envMapTypeDefine = 'ENVMAP_TYPE_CUBE_UV'; - break; - - case EquirectangularReflectionMapping: - case EquirectangularRefractionMapping: - envMapTypeDefine = 'ENVMAP_TYPE_EQUIREC'; - break; - - case SphericalReflectionMapping: - envMapTypeDefine = 'ENVMAP_TYPE_SPHERE'; - break; - - } - - switch ( material.envMap.mapping ) { - - case CubeRefractionMapping: - case EquirectangularRefractionMapping: - envMapModeDefine = 'ENVMAP_MODE_REFRACTION'; - break; - - } - - switch ( material.combine ) { - - case MultiplyOperation: - envMapBlendingDefine = 'ENVMAP_BLENDING_MULTIPLY'; - break; - - case MixOperation: - envMapBlendingDefine = 'ENVMAP_BLENDING_MIX'; - break; - - case AddOperation: - envMapBlendingDefine = 'ENVMAP_BLENDING_ADD'; - break; - - } - - } - - var gammaFactorDefine = ( renderer.gammaFactor > 0 ) ? renderer.gammaFactor : 1.0; - - // console.log( 'building new program ' ); - - // - - var customExtensions = capabilities.isWebGL2 ? '' : generateExtensions( material.extensions, parameters, extensions ); - - var customDefines = generateDefines( defines ); - - // - - var program = gl.createProgram(); - - var prefixVertex, prefixFragment; - - if ( material.isRawShaderMaterial ) { - - prefixVertex = [ - - customDefines - - ].filter( filterEmptyLine ).join( '\n' ); - - if ( prefixVertex.length > 0 ) { - - prefixVertex += '\n'; - - } - - prefixFragment = [ - - customExtensions, - customDefines - - ].filter( filterEmptyLine ).join( '\n' ); - - if ( prefixFragment.length > 0 ) { - - prefixFragment += '\n'; - - } - - } else { - - prefixVertex = [ - - 'precision ' + parameters.precision + ' float;', - 'precision ' + parameters.precision + ' int;', - - ( parameters.precision === 'highp' ) ? '#define HIGH_PRECISION' : '', - - '#define SHADER_NAME ' + shader.name, - - customDefines, - - parameters.supportsVertexTextures ? '#define VERTEX_TEXTURES' : '', - - '#define GAMMA_FACTOR ' + gammaFactorDefine, - - '#define MAX_BONES ' + parameters.maxBones, - ( parameters.useFog && parameters.fog ) ? '#define USE_FOG' : '', - ( parameters.useFog && parameters.fogExp2 ) ? '#define FOG_EXP2' : '', - - parameters.map ? '#define USE_MAP' : '', - parameters.envMap ? '#define USE_ENVMAP' : '', - parameters.envMap ? '#define ' + envMapModeDefine : '', - parameters.lightMap ? '#define USE_LIGHTMAP' : '', - parameters.aoMap ? '#define USE_AOMAP' : '', - parameters.emissiveMap ? '#define USE_EMISSIVEMAP' : '', - parameters.bumpMap ? '#define USE_BUMPMAP' : '', - parameters.normalMap ? '#define USE_NORMALMAP' : '', - ( parameters.normalMap && parameters.objectSpaceNormalMap ) ? '#define OBJECTSPACE_NORMALMAP' : '', - ( parameters.normalMap && parameters.tangentSpaceNormalMap ) ? '#define TANGENTSPACE_NORMALMAP' : '', - - parameters.clearcoatNormalMap ? '#define USE_CLEARCOAT_NORMALMAP' : '', - parameters.displacementMap && parameters.supportsVertexTextures ? '#define USE_DISPLACEMENTMAP' : '', - parameters.specularMap ? '#define USE_SPECULARMAP' : '', - parameters.roughnessMap ? '#define USE_ROUGHNESSMAP' : '', - parameters.metalnessMap ? '#define USE_METALNESSMAP' : '', - parameters.alphaMap ? '#define USE_ALPHAMAP' : '', - - parameters.vertexTangents ? '#define USE_TANGENT' : '', - parameters.vertexColors ? '#define USE_COLOR' : '', - parameters.vertexUvs ? '#define USE_UV' : '', - - parameters.flatShading ? '#define FLAT_SHADED' : '', - - parameters.skinning ? '#define USE_SKINNING' : '', - parameters.useVertexTexture ? '#define BONE_TEXTURE' : '', - - parameters.morphTargets ? '#define USE_MORPHTARGETS' : '', - parameters.morphNormals && parameters.flatShading === false ? '#define USE_MORPHNORMALS' : '', - parameters.doubleSided ? '#define DOUBLE_SIDED' : '', - parameters.flipSided ? '#define FLIP_SIDED' : '', - - parameters.shadowMapEnabled ? '#define USE_SHADOWMAP' : '', - parameters.shadowMapEnabled ? '#define ' + shadowMapTypeDefine : '', - - parameters.sizeAttenuation ? '#define USE_SIZEATTENUATION' : '', - - parameters.logarithmicDepthBuffer ? '#define USE_LOGDEPTHBUF' : '', - parameters.logarithmicDepthBuffer && ( capabilities.isWebGL2 || extensions.get( 'EXT_frag_depth' ) ) ? '#define USE_LOGDEPTHBUF_EXT' : '', - - 'uniform mat4 modelMatrix;', - 'uniform mat4 modelViewMatrix;', - 'uniform mat4 projectionMatrix;', - 'uniform mat4 viewMatrix;', - 'uniform mat3 normalMatrix;', - 'uniform vec3 cameraPosition;', - - 'attribute vec3 position;', - 'attribute vec3 normal;', - 'attribute vec2 uv;', - - '#ifdef USE_TANGENT', - - ' attribute vec4 tangent;', - - '#endif', - - '#ifdef USE_COLOR', - - ' attribute vec3 color;', - - '#endif', - - '#ifdef USE_MORPHTARGETS', - - ' attribute vec3 morphTarget0;', - ' attribute vec3 morphTarget1;', - ' attribute vec3 morphTarget2;', - ' attribute vec3 morphTarget3;', - - ' #ifdef USE_MORPHNORMALS', - - ' attribute vec3 morphNormal0;', - ' attribute vec3 morphNormal1;', - ' attribute vec3 morphNormal2;', - ' attribute vec3 morphNormal3;', - - ' #else', - - ' attribute vec3 morphTarget4;', - ' attribute vec3 morphTarget5;', - ' attribute vec3 morphTarget6;', - ' attribute vec3 morphTarget7;', - - ' #endif', - - '#endif', - - '#ifdef USE_SKINNING', - - ' attribute vec4 skinIndex;', - ' attribute vec4 skinWeight;', - - '#endif', - - '\n' - - ].filter( filterEmptyLine ).join( '\n' ); - - prefixFragment = [ - - customExtensions, - - 'precision ' + parameters.precision + ' float;', - 'precision ' + parameters.precision + ' int;', - - ( parameters.precision === 'highp' ) ? '#define HIGH_PRECISION' : '', - - '#define SHADER_NAME ' + shader.name, - - customDefines, - - parameters.alphaTest ? '#define ALPHATEST ' + parameters.alphaTest + ( parameters.alphaTest % 1 ? '' : '.0' ) : '', // add '.0' if integer - - '#define GAMMA_FACTOR ' + gammaFactorDefine, - - ( parameters.useFog && parameters.fog ) ? '#define USE_FOG' : '', - ( parameters.useFog && parameters.fogExp2 ) ? '#define FOG_EXP2' : '', - - parameters.map ? '#define USE_MAP' : '', - parameters.matcap ? '#define USE_MATCAP' : '', - parameters.envMap ? '#define USE_ENVMAP' : '', - parameters.envMap ? '#define ' + envMapTypeDefine : '', - parameters.envMap ? '#define ' + envMapModeDefine : '', - parameters.envMap ? '#define ' + envMapBlendingDefine : '', - parameters.lightMap ? '#define USE_LIGHTMAP' : '', - parameters.aoMap ? '#define USE_AOMAP' : '', - parameters.emissiveMap ? '#define USE_EMISSIVEMAP' : '', - parameters.bumpMap ? '#define USE_BUMPMAP' : '', - parameters.normalMap ? '#define USE_NORMALMAP' : '', - ( parameters.normalMap && parameters.objectSpaceNormalMap ) ? '#define OBJECTSPACE_NORMALMAP' : '', - ( parameters.normalMap && parameters.tangentSpaceNormalMap ) ? '#define TANGENTSPACE_NORMALMAP' : '', - parameters.clearcoatNormalMap ? '#define USE_CLEARCOAT_NORMALMAP' : '', - parameters.specularMap ? '#define USE_SPECULARMAP' : '', - parameters.roughnessMap ? '#define USE_ROUGHNESSMAP' : '', - parameters.metalnessMap ? '#define USE_METALNESSMAP' : '', - parameters.alphaMap ? '#define USE_ALPHAMAP' : '', - - parameters.sheen ? '#define USE_SHEEN' : '', - - parameters.vertexTangents ? '#define USE_TANGENT' : '', - parameters.vertexColors ? '#define USE_COLOR' : '', - parameters.vertexUvs ? '#define USE_UV' : '', - - parameters.gradientMap ? '#define USE_GRADIENTMAP' : '', - - parameters.flatShading ? '#define FLAT_SHADED' : '', - - parameters.doubleSided ? '#define DOUBLE_SIDED' : '', - parameters.flipSided ? '#define FLIP_SIDED' : '', - - parameters.shadowMapEnabled ? '#define USE_SHADOWMAP' : '', - parameters.shadowMapEnabled ? '#define ' + shadowMapTypeDefine : '', - - parameters.premultipliedAlpha ? '#define PREMULTIPLIED_ALPHA' : '', - - parameters.physicallyCorrectLights ? '#define PHYSICALLY_CORRECT_LIGHTS' : '', - - parameters.logarithmicDepthBuffer ? '#define USE_LOGDEPTHBUF' : '', - parameters.logarithmicDepthBuffer && ( capabilities.isWebGL2 || extensions.get( 'EXT_frag_depth' ) ) ? '#define USE_LOGDEPTHBUF_EXT' : '', - - ( ( material.extensions ? material.extensions.shaderTextureLOD : false ) || parameters.envMap ) && ( capabilities.isWebGL2 || extensions.get( 'EXT_shader_texture_lod' ) ) ? '#define TEXTURE_LOD_EXT' : '', - - 'uniform mat4 viewMatrix;', - 'uniform vec3 cameraPosition;', - - ( parameters.toneMapping !== NoToneMapping ) ? '#define TONE_MAPPING' : '', - ( parameters.toneMapping !== NoToneMapping ) ? ShaderChunk[ 'tonemapping_pars_fragment' ] : '', // this code is required here because it is used by the toneMapping() function defined below - ( parameters.toneMapping !== NoToneMapping ) ? getToneMappingFunction( 'toneMapping', parameters.toneMapping ) : '', - - parameters.dithering ? '#define DITHERING' : '', - - ( parameters.outputEncoding || parameters.mapEncoding || parameters.matcapEncoding || parameters.envMapEncoding || parameters.emissiveMapEncoding ) ? - ShaderChunk[ 'encodings_pars_fragment' ] : '', // this code is required here because it is used by the various encoding/decoding function defined below - parameters.mapEncoding ? getTexelDecodingFunction( 'mapTexelToLinear', parameters.mapEncoding ) : '', - parameters.matcapEncoding ? getTexelDecodingFunction( 'matcapTexelToLinear', parameters.matcapEncoding ) : '', - parameters.envMapEncoding ? getTexelDecodingFunction( 'envMapTexelToLinear', parameters.envMapEncoding ) : '', - parameters.emissiveMapEncoding ? getTexelDecodingFunction( 'emissiveMapTexelToLinear', parameters.emissiveMapEncoding ) : '', - parameters.outputEncoding ? getTexelEncodingFunction( 'linearToOutputTexel', parameters.outputEncoding ) : '', - - parameters.depthPacking ? '#define DEPTH_PACKING ' + material.depthPacking : '', - - '\n' - - ].filter( filterEmptyLine ).join( '\n' ); - - } - - vertexShader = parseIncludes( vertexShader ); - vertexShader = replaceLightNums( vertexShader, parameters ); - vertexShader = replaceClippingPlaneNums( vertexShader, parameters ); - - fragmentShader = parseIncludes( fragmentShader ); - fragmentShader = replaceLightNums( fragmentShader, parameters ); - fragmentShader = replaceClippingPlaneNums( fragmentShader, parameters ); - - vertexShader = unrollLoops( vertexShader ); - fragmentShader = unrollLoops( fragmentShader ); - - if ( capabilities.isWebGL2 && ! material.isRawShaderMaterial ) { - - var isGLSL3ShaderMaterial = false; - - var versionRegex = /^\s*#version\s+300\s+es\s*\n/; - - if ( material.isShaderMaterial && - vertexShader.match( versionRegex ) !== null && - fragmentShader.match( versionRegex ) !== null ) { - - isGLSL3ShaderMaterial = true; - - vertexShader = vertexShader.replace( versionRegex, '' ); - fragmentShader = fragmentShader.replace( versionRegex, '' ); - - } - - // GLSL 3.0 conversion - prefixVertex = [ - '#version 300 es\n', - '#define attribute in', - '#define varying out', - '#define texture2D texture' - ].join( '\n' ) + '\n' + prefixVertex; - - prefixFragment = [ - '#version 300 es\n', - '#define varying in', - isGLSL3ShaderMaterial ? '' : 'out highp vec4 pc_fragColor;', - isGLSL3ShaderMaterial ? '' : '#define gl_FragColor pc_fragColor', - '#define gl_FragDepthEXT gl_FragDepth', - '#define texture2D texture', - '#define textureCube texture', - '#define texture2DProj textureProj', - '#define texture2DLodEXT textureLod', - '#define texture2DProjLodEXT textureProjLod', - '#define textureCubeLodEXT textureLod', - '#define texture2DGradEXT textureGrad', - '#define texture2DProjGradEXT textureProjGrad', - '#define textureCubeGradEXT textureGrad' - ].join( '\n' ) + '\n' + prefixFragment; - - } - - var vertexGlsl = prefixVertex + vertexShader; - var fragmentGlsl = prefixFragment + fragmentShader; - - // console.log( '*VERTEX*', vertexGlsl ); - // console.log( '*FRAGMENT*', fragmentGlsl ); - - var glVertexShader = WebGLShader( gl, 35633, vertexGlsl ); - var glFragmentShader = WebGLShader( gl, 35632, fragmentGlsl ); - - gl.attachShader( program, glVertexShader ); - gl.attachShader( program, glFragmentShader ); - - // Force a particular attribute to index 0. - - if ( material.index0AttributeName !== undefined ) { - - gl.bindAttribLocation( program, 0, material.index0AttributeName ); - - } else if ( parameters.morphTargets === true ) { - - // programs with morphTargets displace position out of attribute 0 - gl.bindAttribLocation( program, 0, 'position' ); - - } - - gl.linkProgram( program ); - - // check for link errors - if ( renderer.debug.checkShaderErrors ) { - - var programLog = gl.getProgramInfoLog( program ).trim(); - var vertexLog = gl.getShaderInfoLog( glVertexShader ).trim(); - var fragmentLog = gl.getShaderInfoLog( glFragmentShader ).trim(); - - var runnable = true; - var haveDiagnostics = true; - - if ( gl.getProgramParameter( program, 35714 ) === false ) { - - runnable = false; - - var vertexErrors = getShaderErrors( gl, glVertexShader, 'vertex' ); - var fragmentErrors = getShaderErrors( gl, glFragmentShader, 'fragment' ); - - console.error( 'THREE.WebGLProgram: shader error: ', gl.getError(), '35715', gl.getProgramParameter( program, 35715 ), 'gl.getProgramInfoLog', programLog, vertexErrors, fragmentErrors ); - - } else if ( programLog !== '' ) { - - console.warn( 'THREE.WebGLProgram: gl.getProgramInfoLog()', programLog ); - - } else if ( vertexLog === '' || fragmentLog === '' ) { - - haveDiagnostics = false; - - } - - if ( haveDiagnostics ) { - - this.diagnostics = { - - runnable: runnable, - material: material, - - programLog: programLog, - - vertexShader: { - - log: vertexLog, - prefix: prefixVertex - - }, - - fragmentShader: { - - log: fragmentLog, - prefix: prefixFragment - - } - - }; - - } - - } - - // clean up - - gl.deleteShader( glVertexShader ); - gl.deleteShader( glFragmentShader ); - - // set up caching for uniform locations - - var cachedUniforms; - - this.getUniforms = function () { - - if ( cachedUniforms === undefined ) { - - cachedUniforms = new WebGLUniforms( gl, program ); - - } - - return cachedUniforms; - - }; - - // set up caching for attribute locations - - var cachedAttributes; - - this.getAttributes = function () { - - if ( cachedAttributes === undefined ) { - - cachedAttributes = fetchAttributeLocations( gl, program ); - - } - - return cachedAttributes; - - }; - - // free resource - - this.destroy = function () { - - gl.deleteProgram( program ); - this.program = undefined; - - }; - - // - - this.name = shader.name; - this.id = programIdCount ++; - this.code = code; - this.usedTimes = 1; - this.program = program; - this.vertexShader = glVertexShader; - this.fragmentShader = glFragmentShader; - - return this; - - } - - /** - * @author mrdoob / http://mrdoob.com/ - */ - - function WebGLPrograms( renderer, extensions, capabilities ) { - - var programs = []; - - var shaderIDs = { - MeshDepthMaterial: 'depth', - MeshDistanceMaterial: 'distanceRGBA', - MeshNormalMaterial: 'normal', - MeshBasicMaterial: 'basic', - MeshLambertMaterial: 'lambert', - MeshPhongMaterial: 'phong', - MeshToonMaterial: 'phong', - MeshStandardMaterial: 'physical', - MeshPhysicalMaterial: 'physical', - MeshMatcapMaterial: 'matcap', - LineBasicMaterial: 'basic', - LineDashedMaterial: 'dashed', - PointsMaterial: 'points', - ShadowMaterial: 'shadow', - SpriteMaterial: 'sprite' - }; - - var parameterNames = [ - "precision", "supportsVertexTextures", "map", "mapEncoding", "matcap", "matcapEncoding", "envMap", "envMapMode", "envMapEncoding", - "lightMap", "aoMap", "emissiveMap", "emissiveMapEncoding", "bumpMap", "normalMap", "objectSpaceNormalMap", "tangentSpaceNormalMap", "clearcoatNormalMap", "displacementMap", "specularMap", - "roughnessMap", "metalnessMap", "gradientMap", - "alphaMap", "combine", "vertexColors", "vertexTangents", "fog", "useFog", "fogExp2", - "flatShading", "sizeAttenuation", "logarithmicDepthBuffer", "skinning", - "maxBones", "useVertexTexture", "morphTargets", "morphNormals", - "maxMorphTargets", "maxMorphNormals", "premultipliedAlpha", - "numDirLights", "numPointLights", "numSpotLights", "numHemiLights", "numRectAreaLights", - "shadowMapEnabled", "shadowMapType", "toneMapping", 'physicallyCorrectLights', - "alphaTest", "doubleSided", "flipSided", "numClippingPlanes", "numClipIntersection", "depthPacking", "dithering", - "sheen" - ]; - - - function allocateBones( object ) { - - var skeleton = object.skeleton; - var bones = skeleton.bones; - - if ( capabilities.floatVertexTextures ) { - - return 1024; - - } else { - - // default for when object is not specified - // ( for example when prebuilding shader to be used with multiple objects ) - // - // - leave some extra space for other uniforms - // - limit here is ANGLE's 254 max uniform vectors - // (up to 54 should be safe) - - var nVertexUniforms = capabilities.maxVertexUniforms; - var nVertexMatrices = Math.floor( ( nVertexUniforms - 20 ) / 4 ); - - var maxBones = Math.min( nVertexMatrices, bones.length ); - - if ( maxBones < bones.length ) { - - console.warn( 'THREE.WebGLRenderer: Skeleton has ' + bones.length + ' bones. This GPU supports ' + maxBones + '.' ); - return 0; - - } - - return maxBones; - - } - - } - - function getTextureEncodingFromMap( map, gammaOverrideLinear ) { - - var encoding; - - if ( ! map ) { - - encoding = LinearEncoding; - - } else if ( map.isTexture ) { - - encoding = map.encoding; - - } else if ( map.isWebGLRenderTarget ) { - - console.warn( "THREE.WebGLPrograms.getTextureEncodingFromMap: don't use render targets as textures. Use their .texture property instead." ); - encoding = map.texture.encoding; - - } - - // add backwards compatibility for WebGLRenderer.gammaInput/gammaOutput parameter, should probably be removed at some point. - if ( encoding === LinearEncoding && gammaOverrideLinear ) { - - encoding = GammaEncoding; - - } - - return encoding; - - } - - this.getParameters = function ( material, lights, shadows, fog, nClipPlanes, nClipIntersection, object ) { - - var shaderID = shaderIDs[ material.type ]; - - // heuristics to create shader parameters according to lights in the scene - // (not to blow over maxLights budget) - - var maxBones = object.isSkinnedMesh ? allocateBones( object ) : 0; - var precision = capabilities.precision; - - if ( material.precision !== null ) { - - precision = capabilities.getMaxPrecision( material.precision ); - - if ( precision !== material.precision ) { - - console.warn( 'THREE.WebGLProgram.getParameters:', material.precision, 'not supported, using', precision, 'instead.' ); - - } - - } - - var currentRenderTarget = renderer.getRenderTarget(); - - var parameters = { - - shaderID: shaderID, - - precision: precision, - supportsVertexTextures: capabilities.vertexTextures, - outputEncoding: getTextureEncodingFromMap( ( ! currentRenderTarget ) ? null : currentRenderTarget.texture, renderer.gammaOutput ), - map: !! material.map, - mapEncoding: getTextureEncodingFromMap( material.map, renderer.gammaInput ), - matcap: !! material.matcap, - matcapEncoding: getTextureEncodingFromMap( material.matcap, renderer.gammaInput ), - envMap: !! material.envMap, - envMapMode: material.envMap && material.envMap.mapping, - envMapEncoding: getTextureEncodingFromMap( material.envMap, renderer.gammaInput ), - envMapCubeUV: ( !! material.envMap ) && ( ( material.envMap.mapping === CubeUVReflectionMapping ) || ( material.envMap.mapping === CubeUVRefractionMapping ) ), - lightMap: !! material.lightMap, - aoMap: !! material.aoMap, - emissiveMap: !! material.emissiveMap, - emissiveMapEncoding: getTextureEncodingFromMap( material.emissiveMap, renderer.gammaInput ), - bumpMap: !! material.bumpMap, - normalMap: !! material.normalMap, - objectSpaceNormalMap: material.normalMapType === ObjectSpaceNormalMap, - tangentSpaceNormalMap: material.normalMapType === TangentSpaceNormalMap, - clearcoatNormalMap: !! material.clearcoatNormalMap, - displacementMap: !! material.displacementMap, - roughnessMap: !! material.roughnessMap, - metalnessMap: !! material.metalnessMap, - specularMap: !! material.specularMap, - alphaMap: !! material.alphaMap, - - gradientMap: !! material.gradientMap, - - sheen: !! material.sheen, - - combine: material.combine, - - vertexTangents: ( material.normalMap && material.vertexTangents ), - vertexColors: material.vertexColors, - vertexUvs: !! material.map || !! material.bumpMap || !! material.normalMap || !! material.specularMap || !! material.alphaMap || !! material.emissiveMap || !! material.roughnessMap || !! material.metalnessMap || !! material.clearcoatNormalMap, - - fog: !! fog, - useFog: material.fog, - fogExp2: ( fog && fog.isFogExp2 ), - - flatShading: material.flatShading, - - sizeAttenuation: material.sizeAttenuation, - logarithmicDepthBuffer: capabilities.logarithmicDepthBuffer, - - skinning: material.skinning && maxBones > 0, - maxBones: maxBones, - useVertexTexture: capabilities.floatVertexTextures, - - morphTargets: material.morphTargets, - morphNormals: material.morphNormals, - maxMorphTargets: renderer.maxMorphTargets, - maxMorphNormals: renderer.maxMorphNormals, - - numDirLights: lights.directional.length, - numPointLights: lights.point.length, - numSpotLights: lights.spot.length, - numRectAreaLights: lights.rectArea.length, - numHemiLights: lights.hemi.length, - - numDirLightShadows: lights.directionalShadowMap.length, - numPointLightShadows: lights.pointShadowMap.length, - numSpotLightShadows: lights.spotShadowMap.length, - - numClippingPlanes: nClipPlanes, - numClipIntersection: nClipIntersection, - - dithering: material.dithering, - - shadowMapEnabled: renderer.shadowMap.enabled && object.receiveShadow && shadows.length > 0, - shadowMapType: renderer.shadowMap.type, - - toneMapping: material.toneMapped ? renderer.toneMapping : NoToneMapping, - physicallyCorrectLights: renderer.physicallyCorrectLights, - - premultipliedAlpha: material.premultipliedAlpha, - - alphaTest: material.alphaTest, - doubleSided: material.side === DoubleSide, - flipSided: material.side === BackSide, - - depthPacking: ( material.depthPacking !== undefined ) ? material.depthPacking : false - - }; - - return parameters; - - }; - - this.getProgramCode = function ( material, parameters ) { - - var array = []; - - if ( parameters.shaderID ) { - - array.push( parameters.shaderID ); - - } else { - - array.push( material.fragmentShader ); - array.push( material.vertexShader ); - - } - - if ( material.defines !== undefined ) { - - for ( var name in material.defines ) { - - array.push( name ); - array.push( material.defines[ name ] ); - - } - - } - - for ( var i = 0; i < parameterNames.length; i ++ ) { - - array.push( parameters[ parameterNames[ i ] ] ); - - } - - array.push( material.onBeforeCompile.toString() ); - - array.push( renderer.gammaOutput ); - - array.push( renderer.gammaFactor ); - - return array.join(); - - }; - - this.acquireProgram = function ( material, shader, parameters, code ) { - - var program; - - // Check if code has been already compiled - for ( var p = 0, pl = programs.length; p < pl; p ++ ) { - - var programInfo = programs[ p ]; - - if ( programInfo.code === code ) { - - program = programInfo; - ++ program.usedTimes; - - break; - - } - - } - - if ( program === undefined ) { - - program = new WebGLProgram( renderer, extensions, code, material, shader, parameters, capabilities ); - programs.push( program ); - - } - - return program; - - }; - - this.releaseProgram = function ( program ) { - - if ( -- program.usedTimes === 0 ) { - - // Remove from unordered set - var i = programs.indexOf( program ); - programs[ i ] = programs[ programs.length - 1 ]; - programs.pop(); - - // Free WebGL resources - program.destroy(); - - } - - }; - - // Exposed for resource monitoring & error feedback via renderer.info: - this.programs = programs; - - } - - /** - * @author fordacious / fordacious.github.io - */ - - function WebGLProperties() { - - var properties = new WeakMap(); - - function get( object ) { - - var map = properties.get( object ); - - if ( map === undefined ) { - - map = {}; - properties.set( object, map ); - - } - - return map; - - } - - function remove( object ) { - - properties.delete( object ); - - } - - function update( object, key, value ) { - - properties.get( object )[ key ] = value; - - } - - function dispose() { - - properties = new WeakMap(); - - } - - return { - get: get, - remove: remove, - update: update, - dispose: dispose - }; - - } - - /** - * @author mrdoob / http://mrdoob.com/ - */ - - function painterSortStable( a, b ) { - - if ( a.groupOrder !== b.groupOrder ) { - - return a.groupOrder - b.groupOrder; - - } else if ( a.renderOrder !== b.renderOrder ) { - - return a.renderOrder - b.renderOrder; - - } else if ( a.program !== b.program ) { - - return a.program.id - b.program.id; - - } else if ( a.material.id !== b.material.id ) { - - return a.material.id - b.material.id; - - } else if ( a.z !== b.z ) { - - return a.z - b.z; - - } else { - - return a.id - b.id; - - } - - } - - function reversePainterSortStable( a, b ) { - - if ( a.groupOrder !== b.groupOrder ) { - - return a.groupOrder - b.groupOrder; - - } else if ( a.renderOrder !== b.renderOrder ) { - - return a.renderOrder - b.renderOrder; - - } else if ( a.z !== b.z ) { - - return b.z - a.z; - - } else { - - return a.id - b.id; - - } - - } - - - function WebGLRenderList() { - - var renderItems = []; - var renderItemsIndex = 0; - - var opaque = []; - var transparent = []; - - var defaultProgram = { id: - 1 }; - - function init() { - - renderItemsIndex = 0; - - opaque.length = 0; - transparent.length = 0; - - } - - function getNextRenderItem( object, geometry, material, groupOrder, z, group ) { - - var renderItem = renderItems[ renderItemsIndex ]; - - if ( renderItem === undefined ) { - - renderItem = { - id: object.id, - object: object, - geometry: geometry, - material: material, - program: material.program || defaultProgram, - groupOrder: groupOrder, - renderOrder: object.renderOrder, - z: z, - group: group - }; - - renderItems[ renderItemsIndex ] = renderItem; - - } else { - - renderItem.id = object.id; - renderItem.object = object; - renderItem.geometry = geometry; - renderItem.material = material; - renderItem.program = material.program || defaultProgram; - renderItem.groupOrder = groupOrder; - renderItem.renderOrder = object.renderOrder; - renderItem.z = z; - renderItem.group = group; - - } - - renderItemsIndex ++; - - return renderItem; - - } - - function push( object, geometry, material, groupOrder, z, group ) { - - var renderItem = getNextRenderItem( object, geometry, material, groupOrder, z, group ); - - ( material.transparent === true ? transparent : opaque ).push( renderItem ); - - } - - function unshift( object, geometry, material, groupOrder, z, group ) { - - var renderItem = getNextRenderItem( object, geometry, material, groupOrder, z, group ); - - ( material.transparent === true ? transparent : opaque ).unshift( renderItem ); - - } - - function sort() { - - if ( opaque.length > 1 ) opaque.sort( painterSortStable ); - if ( transparent.length > 1 ) transparent.sort( reversePainterSortStable ); - - } - - return { - opaque: opaque, - transparent: transparent, - - init: init, - push: push, - unshift: unshift, - - sort: sort - }; - - } - - function WebGLRenderLists() { - - var lists = new WeakMap(); - - function onSceneDispose( event ) { - - var scene = event.target; - - scene.removeEventListener( 'dispose', onSceneDispose ); - - lists.delete( scene ); - - } - - function get( scene, camera ) { - - var cameras = lists.get( scene ); - var list; - if ( cameras === undefined ) { - - list = new WebGLRenderList(); - lists.set( scene, new WeakMap() ); - lists.get( scene ).set( camera, list ); - - scene.addEventListener( 'dispose', onSceneDispose ); - - } else { - - list = cameras.get( camera ); - if ( list === undefined ) { - - list = new WebGLRenderList(); - cameras.set( camera, list ); - - } - - } - - return list; - - } - - function dispose() { - - lists = new WeakMap(); - - } - - return { - get: get, - dispose: dispose - }; - - } - - /** - * @author mrdoob / http://mrdoob.com/ - */ - - function UniformsCache() { - - var lights = {}; - - return { - - get: function ( light ) { - - if ( lights[ light.id ] !== undefined ) { - - return lights[ light.id ]; - - } - - var uniforms; - - switch ( light.type ) { - - case 'DirectionalLight': - uniforms = { - direction: new Vector3(), - color: new Color(), - - shadow: false, - shadowBias: 0, - shadowRadius: 1, - shadowMapSize: new Vector2() - }; - break; - - case 'SpotLight': - uniforms = { - position: new Vector3(), - direction: new Vector3(), - color: new Color(), - distance: 0, - coneCos: 0, - penumbraCos: 0, - decay: 0, - - shadow: false, - shadowBias: 0, - shadowRadius: 1, - shadowMapSize: new Vector2() - }; - break; - - case 'PointLight': - uniforms = { - position: new Vector3(), - color: new Color(), - distance: 0, - decay: 0, - - shadow: false, - shadowBias: 0, - shadowRadius: 1, - shadowMapSize: new Vector2(), - shadowCameraNear: 1, - shadowCameraFar: 1000 - }; - break; - - case 'HemisphereLight': - uniforms = { - direction: new Vector3(), - skyColor: new Color(), - groundColor: new Color() - }; - break; - - case 'RectAreaLight': - uniforms = { - color: new Color(), - position: new Vector3(), - halfWidth: new Vector3(), - halfHeight: new Vector3() - // TODO (abelnation): set RectAreaLight shadow uniforms - }; - break; - - } - - lights[ light.id ] = uniforms; - - return uniforms; - - } - - }; - - } - - var nextVersion = 0; - - function shadowCastingLightsFirst( lightA, lightB ) { - - return ( lightB.castShadow ? 1 : 0 ) - ( lightA.castShadow ? 1 : 0 ); - - } - - function WebGLLights() { - - var cache = new UniformsCache(); - - var state = { - - version: 0, - - hash: { - directionalLength: - 1, - pointLength: - 1, - spotLength: - 1, - rectAreaLength: - 1, - hemiLength: - 1, - - numDirectionalShadows: - 1, - numPointShadows: - 1, - numSpotShadows: - 1, - }, - - ambient: [ 0, 0, 0 ], - probe: [], - directional: [], - directionalShadowMap: [], - directionalShadowMatrix: [], - spot: [], - spotShadowMap: [], - spotShadowMatrix: [], - rectArea: [], - point: [], - pointShadowMap: [], - pointShadowMatrix: [], - hemi: [], - - numDirectionalShadows: - 1, - numPointShadows: - 1, - numSpotShadows: - 1 - - }; - - for ( var i = 0; i < 9; i ++ ) state.probe.push( new Vector3() ); - - var vector3 = new Vector3(); - var matrix4 = new Matrix4(); - var matrix42 = new Matrix4(); - - function setup( lights, shadows, camera ) { - - var r = 0, g = 0, b = 0; - - for ( var i = 0; i < 9; i ++ ) state.probe[ i ].set( 0, 0, 0 ); - - var directionalLength = 0; - var pointLength = 0; - var spotLength = 0; - var rectAreaLength = 0; - var hemiLength = 0; - - var numDirectionalShadows = 0; - var numPointShadows = 0; - var numSpotShadows = 0; - - var viewMatrix = camera.matrixWorldInverse; - - lights.sort( shadowCastingLightsFirst ); - - for ( var i = 0, l = lights.length; i < l; i ++ ) { - - var light = lights[ i ]; - - var color = light.color; - var intensity = light.intensity; - var distance = light.distance; - - var shadowMap = ( light.shadow && light.shadow.map ) ? light.shadow.map.texture : null; - - if ( light.isAmbientLight ) { - - r += color.r * intensity; - g += color.g * intensity; - b += color.b * intensity; - - } else if ( light.isLightProbe ) { - - for ( var j = 0; j < 9; j ++ ) { - - state.probe[ j ].addScaledVector( light.sh.coefficients[ j ], intensity ); - - } - - } else if ( light.isDirectionalLight ) { - - var uniforms = cache.get( light ); - - uniforms.color.copy( light.color ).multiplyScalar( light.intensity ); - uniforms.direction.setFromMatrixPosition( light.matrixWorld ); - vector3.setFromMatrixPosition( light.target.matrixWorld ); - uniforms.direction.sub( vector3 ); - uniforms.direction.transformDirection( viewMatrix ); - - uniforms.shadow = light.castShadow; - - if ( light.castShadow ) { - - var shadow = light.shadow; - - uniforms.shadowBias = shadow.bias; - uniforms.shadowRadius = shadow.radius; - uniforms.shadowMapSize = shadow.mapSize; - - state.directionalShadowMap[ directionalLength ] = shadowMap; - state.directionalShadowMatrix[ directionalLength ] = light.shadow.matrix; - - numDirectionalShadows ++; - - } - - state.directional[ directionalLength ] = uniforms; - - directionalLength ++; - - } else if ( light.isSpotLight ) { - - var uniforms = cache.get( light ); - - uniforms.position.setFromMatrixPosition( light.matrixWorld ); - uniforms.position.applyMatrix4( viewMatrix ); - - uniforms.color.copy( color ).multiplyScalar( intensity ); - uniforms.distance = distance; - - uniforms.direction.setFromMatrixPosition( light.matrixWorld ); - vector3.setFromMatrixPosition( light.target.matrixWorld ); - uniforms.direction.sub( vector3 ); - uniforms.direction.transformDirection( viewMatrix ); - - uniforms.coneCos = Math.cos( light.angle ); - uniforms.penumbraCos = Math.cos( light.angle * ( 1 - light.penumbra ) ); - uniforms.decay = light.decay; - - uniforms.shadow = light.castShadow; - - if ( light.castShadow ) { - - var shadow = light.shadow; - - uniforms.shadowBias = shadow.bias; - uniforms.shadowRadius = shadow.radius; - uniforms.shadowMapSize = shadow.mapSize; - - state.spotShadowMap[ spotLength ] = shadowMap; - state.spotShadowMatrix[ spotLength ] = light.shadow.matrix; - - numSpotShadows ++; - - } - - state.spot[ spotLength ] = uniforms; - - spotLength ++; - - } else if ( light.isRectAreaLight ) { - - var uniforms = cache.get( light ); - - // (a) intensity is the total visible light emitted - //uniforms.color.copy( color ).multiplyScalar( intensity / ( light.width * light.height * Math.PI ) ); - - // (b) intensity is the brightness of the light - uniforms.color.copy( color ).multiplyScalar( intensity ); - - uniforms.position.setFromMatrixPosition( light.matrixWorld ); - uniforms.position.applyMatrix4( viewMatrix ); - - // extract local rotation of light to derive width/height half vectors - matrix42.identity(); - matrix4.copy( light.matrixWorld ); - matrix4.premultiply( viewMatrix ); - matrix42.extractRotation( matrix4 ); - - uniforms.halfWidth.set( light.width * 0.5, 0.0, 0.0 ); - uniforms.halfHeight.set( 0.0, light.height * 0.5, 0.0 ); - - uniforms.halfWidth.applyMatrix4( matrix42 ); - uniforms.halfHeight.applyMatrix4( matrix42 ); - - // TODO (abelnation): RectAreaLight distance? - // uniforms.distance = distance; - - state.rectArea[ rectAreaLength ] = uniforms; - - rectAreaLength ++; - - } else if ( light.isPointLight ) { - - var uniforms = cache.get( light ); - - uniforms.position.setFromMatrixPosition( light.matrixWorld ); - uniforms.position.applyMatrix4( viewMatrix ); - - uniforms.color.copy( light.color ).multiplyScalar( light.intensity ); - uniforms.distance = light.distance; - uniforms.decay = light.decay; - - uniforms.shadow = light.castShadow; - - if ( light.castShadow ) { - - var shadow = light.shadow; - - uniforms.shadowBias = shadow.bias; - uniforms.shadowRadius = shadow.radius; - uniforms.shadowMapSize = shadow.mapSize; - uniforms.shadowCameraNear = shadow.camera.near; - uniforms.shadowCameraFar = shadow.camera.far; - - state.pointShadowMap[ pointLength ] = shadowMap; - state.pointShadowMatrix[ pointLength ] = light.shadow.matrix; - - numPointShadows ++; - - } - - state.point[ pointLength ] = uniforms; - - pointLength ++; - - } else if ( light.isHemisphereLight ) { - - var uniforms = cache.get( light ); - - uniforms.direction.setFromMatrixPosition( light.matrixWorld ); - uniforms.direction.transformDirection( viewMatrix ); - uniforms.direction.normalize(); - - uniforms.skyColor.copy( light.color ).multiplyScalar( intensity ); - uniforms.groundColor.copy( light.groundColor ).multiplyScalar( intensity ); - - state.hemi[ hemiLength ] = uniforms; - - hemiLength ++; - - } - - } - - state.ambient[ 0 ] = r; - state.ambient[ 1 ] = g; - state.ambient[ 2 ] = b; - - var hash = state.hash; - - if ( hash.directionalLength !== directionalLength || - hash.pointLength !== pointLength || - hash.spotLength !== spotLength || - hash.rectAreaLength !== rectAreaLength || - hash.hemiLength !== hemiLength || - hash.numDirectionalShadows !== numDirectionalShadows || - hash.numPointShadows !== numPointShadows || - hash.numSpotShadows !== numSpotShadows ) { - - state.directional.length = directionalLength; - state.spot.length = spotLength; - state.rectArea.length = rectAreaLength; - state.point.length = pointLength; - state.hemi.length = hemiLength; - - state.directionalShadowMap.length = numDirectionalShadows; - state.pointShadowMap.length = numPointShadows; - state.spotShadowMap.length = numSpotShadows; - state.directionalShadowMatrix.length = numDirectionalShadows; - state.pointShadowMatrix.length = numPointShadows; - state.spotShadowMatrix.length = numSpotShadows; - - hash.directionalLength = directionalLength; - hash.pointLength = pointLength; - hash.spotLength = spotLength; - hash.rectAreaLength = rectAreaLength; - hash.hemiLength = hemiLength; - - hash.numDirectionalShadows = numDirectionalShadows; - hash.numPointShadows = numPointShadows; - hash.numSpotShadows = numSpotShadows; - - state.version = nextVersion ++; - - } - - } - - return { - setup: setup, - state: state - }; - - } - - /** - * @author Mugen87 / https://github.com/Mugen87 - */ - - function WebGLRenderState() { - - var lights = new WebGLLights(); - - var lightsArray = []; - var shadowsArray = []; - - function init() { - - lightsArray.length = 0; - shadowsArray.length = 0; - - } - - function pushLight( light ) { - - lightsArray.push( light ); - - } - - function pushShadow( shadowLight ) { - - shadowsArray.push( shadowLight ); - - } - - function setupLights( camera ) { - - lights.setup( lightsArray, shadowsArray, camera ); - - } - - var state = { - lightsArray: lightsArray, - shadowsArray: shadowsArray, - - lights: lights - }; - - return { - init: init, - state: state, - setupLights: setupLights, - - pushLight: pushLight, - pushShadow: pushShadow - }; - - } - - function WebGLRenderStates() { - - var renderStates = new WeakMap(); - - function onSceneDispose( event ) { - - var scene = event.target; - - scene.removeEventListener( 'dispose', onSceneDispose ); - - renderStates.delete( scene ); - - } - - function get( scene, camera ) { - - var renderState; - - if ( renderStates.has( scene ) === false ) { - - renderState = new WebGLRenderState(); - renderStates.set( scene, new WeakMap() ); - renderStates.get( scene ).set( camera, renderState ); - - scene.addEventListener( 'dispose', onSceneDispose ); - - } else { - - if ( renderStates.get( scene ).has( camera ) === false ) { - - renderState = new WebGLRenderState(); - renderStates.get( scene ).set( camera, renderState ); - - } else { - - renderState = renderStates.get( scene ).get( camera ); - - } - - } - - return renderState; - - } - - function dispose() { - - renderStates = new WeakMap(); - - } - - return { - get: get, - dispose: dispose - }; - - } - - /** - * @author mrdoob / http://mrdoob.com/ - * @author alteredq / http://alteredqualia.com/ - * @author bhouston / https://clara.io - * @author WestLangley / http://github.com/WestLangley - * - * parameters = { - * - * opacity: , - * - * map: new THREE.Texture( ), - * - * alphaMap: new THREE.Texture( ), - * - * displacementMap: new THREE.Texture( ), - * displacementScale: , - * displacementBias: , - * - * wireframe: , - * wireframeLinewidth: - * } - */ - - function MeshDepthMaterial( parameters ) { - - Material.call( this ); - - this.type = 'MeshDepthMaterial'; - - this.depthPacking = BasicDepthPacking; - - this.skinning = false; - this.morphTargets = false; - - this.map = null; - - this.alphaMap = null; - - this.displacementMap = null; - this.displacementScale = 1; - this.displacementBias = 0; - - this.wireframe = false; - this.wireframeLinewidth = 1; - - this.fog = false; - this.lights = false; - - this.setValues( parameters ); - - } - - MeshDepthMaterial.prototype = Object.create( Material.prototype ); - MeshDepthMaterial.prototype.constructor = MeshDepthMaterial; - - MeshDepthMaterial.prototype.isMeshDepthMaterial = true; - - MeshDepthMaterial.prototype.copy = function ( source ) { - - Material.prototype.copy.call( this, source ); - - this.depthPacking = source.depthPacking; - - this.skinning = source.skinning; - this.morphTargets = source.morphTargets; - - this.map = source.map; - - this.alphaMap = source.alphaMap; - - this.displacementMap = source.displacementMap; - this.displacementScale = source.displacementScale; - this.displacementBias = source.displacementBias; - - this.wireframe = source.wireframe; - this.wireframeLinewidth = source.wireframeLinewidth; - - return this; - - }; - - /** - * @author WestLangley / http://github.com/WestLangley - * - * parameters = { - * - * referencePosition: , - * nearDistance: , - * farDistance: , - * - * skinning: , - * morphTargets: , - * - * map: new THREE.Texture( ), - * - * alphaMap: new THREE.Texture( ), - * - * displacementMap: new THREE.Texture( ), - * displacementScale: , - * displacementBias: - * - * } - */ - - function MeshDistanceMaterial( parameters ) { - - Material.call( this ); - - this.type = 'MeshDistanceMaterial'; - - this.referencePosition = new Vector3(); - this.nearDistance = 1; - this.farDistance = 1000; - - this.skinning = false; - this.morphTargets = false; - - this.map = null; - - this.alphaMap = null; - - this.displacementMap = null; - this.displacementScale = 1; - this.displacementBias = 0; - - this.fog = false; - this.lights = false; - - this.setValues( parameters ); - - } - - MeshDistanceMaterial.prototype = Object.create( Material.prototype ); - MeshDistanceMaterial.prototype.constructor = MeshDistanceMaterial; - - MeshDistanceMaterial.prototype.isMeshDistanceMaterial = true; - - MeshDistanceMaterial.prototype.copy = function ( source ) { - - Material.prototype.copy.call( this, source ); - - this.referencePosition.copy( source.referencePosition ); - this.nearDistance = source.nearDistance; - this.farDistance = source.farDistance; - - this.skinning = source.skinning; - this.morphTargets = source.morphTargets; - - this.map = source.map; - - this.alphaMap = source.alphaMap; - - this.displacementMap = source.displacementMap; - this.displacementScale = source.displacementScale; - this.displacementBias = source.displacementBias; - - return this; - - }; - - var vsm_frag = "uniform sampler2D shadow_pass;\nuniform vec2 resolution;\nuniform float radius;\n#include \nvoid main() {\n float mean = 0.0;\n float squared_mean = 0.0;\n \n\tfloat depth = unpackRGBAToDepth( texture2D( shadow_pass, ( gl_FragCoord.xy ) / resolution ) );\n for ( float i = -1.0; i < 1.0 ; i += SAMPLE_RATE) {\n #ifdef HORIZONAL_PASS\n vec2 distribution = decodeHalfRGBA ( texture2D( shadow_pass, ( gl_FragCoord.xy + vec2( i, 0.0 ) * radius ) / resolution ) );\n mean += distribution.x;\n squared_mean += distribution.y * distribution.y + distribution.x * distribution.x;\n #else\n float depth = unpackRGBAToDepth( texture2D( shadow_pass, ( gl_FragCoord.xy + vec2( 0.0, i ) * radius ) / resolution ) );\n mean += depth;\n squared_mean += depth * depth;\n #endif\n }\n mean = mean * HALF_SAMPLE_RATE;\n squared_mean = squared_mean * HALF_SAMPLE_RATE;\n float std_dev = pow( squared_mean - mean * mean, 0.5 );\n gl_FragColor = encodeHalfRGBA( vec2( mean, std_dev ) );\n}"; - - var vsm_vert = "void main() {\n\tgl_Position = vec4( position, 1.0 );\n}"; - - /** - * @author alteredq / http://alteredqualia.com/ - * @author mrdoob / http://mrdoob.com/ - */ - - function WebGLShadowMap( _renderer, _objects, maxTextureSize ) { - - var _frustum = new Frustum(), - - _shadowMapSize = new Vector2(), - _viewportSize = new Vector2(), - - _viewport = new Vector4(), - - _MorphingFlag = 1, - _SkinningFlag = 2, - - _NumberOfMaterialVariants = ( _MorphingFlag | _SkinningFlag ) + 1, - - _depthMaterials = new Array( _NumberOfMaterialVariants ), - _distanceMaterials = new Array( _NumberOfMaterialVariants ), - - _materialCache = {}; - - var shadowSide = { 0: BackSide, 1: FrontSide, 2: DoubleSide }; - - var shadowMaterialVertical = new ShaderMaterial( { - - defines: { - SAMPLE_RATE: 2.0 / 8.0, - HALF_SAMPLE_RATE: 1.0 / 8.0 - }, - - uniforms: { - shadow_pass: { value: null }, - resolution: { value: new Vector2() }, - radius: { value: 4.0 } - }, - - vertexShader: vsm_vert, - - fragmentShader: vsm_frag - - } ); - - var shadowMaterialHorizonal = shadowMaterialVertical.clone(); - shadowMaterialHorizonal.defines.HORIZONAL_PASS = 1; - - var fullScreenTri = new BufferGeometry(); - fullScreenTri.addAttribute( - "position", - new BufferAttribute( - new Float32Array( [ - 1, - 1, 0.5, 3, - 1, 0.5, - 1, 3, 0.5 ] ), - 3 - ) - ); - - var fullScreenMesh = new Mesh( fullScreenTri, shadowMaterialVertical ); - - // init - - for ( var i = 0; i !== _NumberOfMaterialVariants; ++ i ) { - - var useMorphing = ( i & _MorphingFlag ) !== 0; - var useSkinning = ( i & _SkinningFlag ) !== 0; - - var depthMaterial = new MeshDepthMaterial( { - - depthPacking: RGBADepthPacking, - - morphTargets: useMorphing, - skinning: useSkinning - - } ); - - _depthMaterials[ i ] = depthMaterial; - - var distanceMaterial = new MeshDistanceMaterial( { - - morphTargets: useMorphing, - skinning: useSkinning - - } ); - - _distanceMaterials[ i ] = distanceMaterial; - - } - - var scope = this; - - this.enabled = false; - - this.autoUpdate = true; - this.needsUpdate = false; - - this.type = PCFShadowMap; - - this.render = function ( lights, scene, camera ) { - - if ( scope.enabled === false ) return; - if ( scope.autoUpdate === false && scope.needsUpdate === false ) return; - - if ( lights.length === 0 ) return; - - var currentRenderTarget = _renderer.getRenderTarget(); - var activeCubeFace = _renderer.getActiveCubeFace(); - var activeMipmapLevel = _renderer.getActiveMipmapLevel(); - - var _state = _renderer.state; - - // Set GL state for depth map. - _state.setBlending( NoBlending ); - _state.buffers.color.setClear( 1, 1, 1, 1 ); - _state.buffers.depth.setTest( true ); - _state.setScissorTest( false ); - - // render depth map - - for ( var i = 0, il = lights.length; i < il; i ++ ) { - - var light = lights[ i ]; - var shadow = light.shadow; - - if ( shadow === undefined ) { - - console.warn( 'THREE.WebGLShadowMap:', light, 'has no shadow.' ); - continue; - - } - - _shadowMapSize.copy( shadow.mapSize ); - - var shadowFrameExtents = shadow.getFrameExtents(); - - _shadowMapSize.multiply( shadowFrameExtents ); - - _viewportSize.copy( shadow.mapSize ); - - if ( _shadowMapSize.x > maxTextureSize || _shadowMapSize.y > maxTextureSize ) { - - console.warn( 'THREE.WebGLShadowMap:', light, 'has shadow exceeding max texture size, reducing' ); - - if ( _shadowMapSize.x > maxTextureSize ) { - - _viewportSize.x = Math.floor( maxTextureSize / shadowFrameExtents.x ); - _shadowMapSize.x = _viewportSize.x * shadowFrameExtents.x; - shadow.mapSize.x = _viewportSize.x; - - } - - if ( _shadowMapSize.y > maxTextureSize ) { - - _viewportSize.y = Math.floor( maxTextureSize / shadowFrameExtents.y ); - _shadowMapSize.y = _viewportSize.y * shadowFrameExtents.y; - shadow.mapSize.y = _viewportSize.y; - - } - - } - - if ( shadow.map === null && ! shadow.isPointLightShadow && this.type === VSMShadowMap ) { - - var pars = { minFilter: LinearFilter, magFilter: LinearFilter, format: RGBAFormat }; - - shadow.map = new WebGLRenderTarget( _shadowMapSize.x, _shadowMapSize.y, pars ); - shadow.map.texture.name = light.name + ".shadowMap"; - - shadow.mapPass = new WebGLRenderTarget( _shadowMapSize.x, _shadowMapSize.y, pars ); - - shadow.camera.updateProjectionMatrix(); - - } - - if ( shadow.map === null ) { - - var pars = { minFilter: NearestFilter, magFilter: NearestFilter, format: RGBAFormat }; - - shadow.map = new WebGLRenderTarget( _shadowMapSize.x, _shadowMapSize.y, pars ); - shadow.map.texture.name = light.name + ".shadowMap"; - - shadow.camera.updateProjectionMatrix(); - - } - - _renderer.setRenderTarget( shadow.map ); - _renderer.clear(); - - var viewportCount = shadow.getViewportCount(); - - for ( var vp = 0; vp < viewportCount; vp ++ ) { - - var viewport = shadow.getViewport( vp ); - - _viewport.set( - _viewportSize.x * viewport.x, - _viewportSize.y * viewport.y, - _viewportSize.x * viewport.z, - _viewportSize.y * viewport.w - ); - - _state.viewport( _viewport ); - - shadow.updateMatrices( light, camera, vp ); - - _frustum = shadow.getFrustum(); - - renderObject( scene, camera, shadow.camera, light, this.type ); - - } - - // do blur pass for VSM - - if ( ! shadow.isPointLightShadow && this.type === VSMShadowMap ) { - - VSMPass( shadow, camera ); - - } - - } - - scope.needsUpdate = false; - - _renderer.setRenderTarget( currentRenderTarget, activeCubeFace, activeMipmapLevel ); - - }; - - function VSMPass( shadow, camera ) { - - var geometry = _objects.update( fullScreenMesh ); - - // vertical pass - - shadowMaterialVertical.uniforms.shadow_pass.value = shadow.map.texture; - shadowMaterialVertical.uniforms.resolution.value = shadow.mapSize; - shadowMaterialVertical.uniforms.radius.value = shadow.radius; - _renderer.setRenderTarget( shadow.mapPass ); - _renderer.clear(); - _renderer.renderBufferDirect( camera, null, geometry, shadowMaterialVertical, fullScreenMesh, null ); - - // horizonal pass - - shadowMaterialHorizonal.uniforms.shadow_pass.value = shadow.mapPass.texture; - shadowMaterialHorizonal.uniforms.resolution.value = shadow.mapSize; - shadowMaterialHorizonal.uniforms.radius.value = shadow.radius; - _renderer.setRenderTarget( shadow.map ); - _renderer.clear(); - _renderer.renderBufferDirect( camera, null, geometry, shadowMaterialHorizonal, fullScreenMesh, null ); - - } - - function getDepthMaterial( object, material, light, shadowCameraNear, shadowCameraFar, type ) { - - var geometry = object.geometry; - - var result = null; - - var materialVariants = _depthMaterials; - var customMaterial = object.customDepthMaterial; - - if ( light.isPointLight ) { - - materialVariants = _distanceMaterials; - customMaterial = object.customDistanceMaterial; - - } - - if ( ! customMaterial ) { - - var useMorphing = false; - - if ( material.morphTargets ) { - - if ( geometry && geometry.isBufferGeometry ) { - - useMorphing = geometry.morphAttributes && geometry.morphAttributes.position && geometry.morphAttributes.position.length > 0; - - } else if ( geometry && geometry.isGeometry ) { - - useMorphing = geometry.morphTargets && geometry.morphTargets.length > 0; - - } - - } - - if ( object.isSkinnedMesh && material.skinning === false ) { - - console.warn( 'THREE.WebGLShadowMap: THREE.SkinnedMesh with material.skinning set to false:', object ); - - } - - var useSkinning = object.isSkinnedMesh && material.skinning; - - var variantIndex = 0; - - if ( useMorphing ) variantIndex |= _MorphingFlag; - if ( useSkinning ) variantIndex |= _SkinningFlag; - - result = materialVariants[ variantIndex ]; - - } else { - - result = customMaterial; - - } - - if ( _renderer.localClippingEnabled && - material.clipShadows === true && - material.clippingPlanes.length !== 0 ) { - - // in this case we need a unique material instance reflecting the - // appropriate state - - var keyA = result.uuid, keyB = material.uuid; - - var materialsForVariant = _materialCache[ keyA ]; - - if ( materialsForVariant === undefined ) { - - materialsForVariant = {}; - _materialCache[ keyA ] = materialsForVariant; - - } - - var cachedMaterial = materialsForVariant[ keyB ]; - - if ( cachedMaterial === undefined ) { - - cachedMaterial = result.clone(); - materialsForVariant[ keyB ] = cachedMaterial; - - } - - result = cachedMaterial; - - } - - result.visible = material.visible; - result.wireframe = material.wireframe; - - if ( type === VSMShadowMap ) { - - result.side = ( material.shadowSide != null ) ? material.shadowSide : material.side; - - } else { - - result.side = ( material.shadowSide != null ) ? material.shadowSide : shadowSide[ material.side ]; - - } - - result.clipShadows = material.clipShadows; - result.clippingPlanes = material.clippingPlanes; - result.clipIntersection = material.clipIntersection; - - result.wireframeLinewidth = material.wireframeLinewidth; - result.linewidth = material.linewidth; - - if ( light.isPointLight && result.isMeshDistanceMaterial ) { - - result.referencePosition.setFromMatrixPosition( light.matrixWorld ); - result.nearDistance = shadowCameraNear; - result.farDistance = shadowCameraFar; - - } - - return result; - - } - - function renderObject( object, camera, shadowCamera, light, type ) { - - if ( object.visible === false ) return; - - var visible = object.layers.test( camera.layers ); - - if ( visible && ( object.isMesh || object.isLine || object.isPoints ) ) { - - if ( ( object.castShadow || ( object.receiveShadow && type === VSMShadowMap ) ) && ( ! object.frustumCulled || _frustum.intersectsObject( object ) ) ) { - - object.modelViewMatrix.multiplyMatrices( shadowCamera.matrixWorldInverse, object.matrixWorld ); - - var geometry = _objects.update( object ); - var material = object.material; - - if ( Array.isArray( material ) ) { - - var groups = geometry.groups; - - for ( var k = 0, kl = groups.length; k < kl; k ++ ) { - - var group = groups[ k ]; - var groupMaterial = material[ group.materialIndex ]; - - if ( groupMaterial && groupMaterial.visible ) { - - var depthMaterial = getDepthMaterial( object, groupMaterial, light, shadowCamera.near, shadowCamera.far, type ); - - _renderer.renderBufferDirect( shadowCamera, null, geometry, depthMaterial, object, group ); - - } - - } - - } else if ( material.visible ) { - - var depthMaterial = getDepthMaterial( object, material, light, shadowCamera.near, shadowCamera.far, type ); - - _renderer.renderBufferDirect( shadowCamera, null, geometry, depthMaterial, object, null ); - - } - - } - - } - - var children = object.children; - - for ( var i = 0, l = children.length; i < l; i ++ ) { - - renderObject( children[ i ], camera, shadowCamera, light, type ); - - } - - } - - } - - /** - * @author mrdoob / http://mrdoob.com/ - */ - - function WebGLState( gl, extensions, utils, capabilities ) { - - function ColorBuffer() { - - var locked = false; - - var color = new Vector4(); - var currentColorMask = null; - var currentColorClear = new Vector4( 0, 0, 0, 0 ); - - return { - - setMask: function ( colorMask ) { - - if ( currentColorMask !== colorMask && ! locked ) { - - gl.colorMask( colorMask, colorMask, colorMask, colorMask ); - currentColorMask = colorMask; - - } - - }, - - setLocked: function ( lock ) { - - locked = lock; - - }, - - setClear: function ( r, g, b, a, premultipliedAlpha ) { - - if ( premultipliedAlpha === true ) { - - r *= a; g *= a; b *= a; - - } - - color.set( r, g, b, a ); - - if ( currentColorClear.equals( color ) === false ) { - - gl.clearColor( r, g, b, a ); - currentColorClear.copy( color ); - - } - - }, - - reset: function () { - - locked = false; - - currentColorMask = null; - currentColorClear.set( - 1, 0, 0, 0 ); // set to invalid state - - } - - }; - - } - - function DepthBuffer() { - - var locked = false; - - var currentDepthMask = null; - var currentDepthFunc = null; - var currentDepthClear = null; - - return { - - setTest: function ( depthTest ) { - - if ( depthTest ) { - - enable( 2929 ); - - } else { - - disable( 2929 ); - - } - - }, - - setMask: function ( depthMask ) { - - if ( currentDepthMask !== depthMask && ! locked ) { - - gl.depthMask( depthMask ); - currentDepthMask = depthMask; - - } - - }, - - setFunc: function ( depthFunc ) { - - if ( currentDepthFunc !== depthFunc ) { - - if ( depthFunc ) { - - switch ( depthFunc ) { - - case NeverDepth: - - gl.depthFunc( 512 ); - break; - - case AlwaysDepth: - - gl.depthFunc( 519 ); - break; - - case LessDepth: - - gl.depthFunc( 513 ); - break; - - case LessEqualDepth: - - gl.depthFunc( 515 ); - break; - - case EqualDepth: - - gl.depthFunc( 514 ); - break; - - case GreaterEqualDepth: - - gl.depthFunc( 518 ); - break; - - case GreaterDepth: - - gl.depthFunc( 516 ); - break; - - case NotEqualDepth: - - gl.depthFunc( 517 ); - break; - - default: - - gl.depthFunc( 515 ); - - } - - } else { - - gl.depthFunc( 515 ); - - } - - currentDepthFunc = depthFunc; - - } - - }, - - setLocked: function ( lock ) { - - locked = lock; - - }, - - setClear: function ( depth ) { - - if ( currentDepthClear !== depth ) { - - gl.clearDepth( depth ); - currentDepthClear = depth; - - } - - }, - - reset: function () { - - locked = false; - - currentDepthMask = null; - currentDepthFunc = null; - currentDepthClear = null; - - } - - }; - - } - - function StencilBuffer() { - - var locked = false; - - var currentStencilMask = null; - var currentStencilFunc = null; - var currentStencilRef = null; - var currentStencilFuncMask = null; - var currentStencilFail = null; - var currentStencilZFail = null; - var currentStencilZPass = null; - var currentStencilClear = null; - - return { - - setTest: function ( stencilTest ) { - - if ( ! locked ) { - - if ( stencilTest ) { - - enable( 2960 ); - - } else { - - disable( 2960 ); - - } - - } - - }, - - setMask: function ( stencilMask ) { - - if ( currentStencilMask !== stencilMask && ! locked ) { - - gl.stencilMask( stencilMask ); - currentStencilMask = stencilMask; - - } - - }, - - setFunc: function ( stencilFunc, stencilRef, stencilMask ) { - - if ( currentStencilFunc !== stencilFunc || - currentStencilRef !== stencilRef || - currentStencilFuncMask !== stencilMask ) { - - gl.stencilFunc( stencilFunc, stencilRef, stencilMask ); - - currentStencilFunc = stencilFunc; - currentStencilRef = stencilRef; - currentStencilFuncMask = stencilMask; - - } - - }, - - setOp: function ( stencilFail, stencilZFail, stencilZPass ) { - - if ( currentStencilFail !== stencilFail || - currentStencilZFail !== stencilZFail || - currentStencilZPass !== stencilZPass ) { - - gl.stencilOp( stencilFail, stencilZFail, stencilZPass ); - - currentStencilFail = stencilFail; - currentStencilZFail = stencilZFail; - currentStencilZPass = stencilZPass; - - } - - }, - - setLocked: function ( lock ) { - - locked = lock; - - }, - - setClear: function ( stencil ) { - - if ( currentStencilClear !== stencil ) { - - gl.clearStencil( stencil ); - currentStencilClear = stencil; - - } - - }, - - reset: function () { - - locked = false; - - currentStencilMask = null; - currentStencilFunc = null; - currentStencilRef = null; - currentStencilFuncMask = null; - currentStencilFail = null; - currentStencilZFail = null; - currentStencilZPass = null; - currentStencilClear = null; - - } - - }; - - } - - // - - var colorBuffer = new ColorBuffer(); - var depthBuffer = new DepthBuffer(); - var stencilBuffer = new StencilBuffer(); - - var maxVertexAttributes = gl.getParameter( 34921 ); - var newAttributes = new Uint8Array( maxVertexAttributes ); - var enabledAttributes = new Uint8Array( maxVertexAttributes ); - var attributeDivisors = new Uint8Array( maxVertexAttributes ); - - var enabledCapabilities = {}; - - var compressedTextureFormats = null; - - var currentProgram = null; - - var currentBlendingEnabled = null; - var currentBlending = null; - var currentBlendEquation = null; - var currentBlendSrc = null; - var currentBlendDst = null; - var currentBlendEquationAlpha = null; - var currentBlendSrcAlpha = null; - var currentBlendDstAlpha = null; - var currentPremultipledAlpha = false; - - var currentFlipSided = null; - var currentCullFace = null; - - var currentLineWidth = null; - - var currentPolygonOffsetFactor = null; - var currentPolygonOffsetUnits = null; - - var maxTextures = gl.getParameter( 35661 ); - - var lineWidthAvailable = false; - var version = 0; - var glVersion = gl.getParameter( 7938 ); - - if ( glVersion.indexOf( 'WebGL' ) !== - 1 ) { - - version = parseFloat( /^WebGL\ ([0-9])/.exec( glVersion )[ 1 ] ); - lineWidthAvailable = ( version >= 1.0 ); - - } else if ( glVersion.indexOf( 'OpenGL ES' ) !== - 1 ) { - - version = parseFloat( /^OpenGL\ ES\ ([0-9])/.exec( glVersion )[ 1 ] ); - lineWidthAvailable = ( version >= 2.0 ); - - } - - var currentTextureSlot = null; - var currentBoundTextures = {}; - - var currentScissor = new Vector4(); - var currentViewport = new Vector4(); - - function createTexture( type, target, count ) { - - var data = new Uint8Array( 4 ); // 4 is required to match default unpack alignment of 4. - var texture = gl.createTexture(); - - gl.bindTexture( type, texture ); - gl.texParameteri( type, 10241, 9728 ); - gl.texParameteri( type, 10240, 9728 ); - - for ( var i = 0; i < count; i ++ ) { - - gl.texImage2D( target + i, 0, 6408, 1, 1, 0, 6408, 5121, data ); - - } - - return texture; - - } - - var emptyTextures = {}; - emptyTextures[ 3553 ] = createTexture( 3553, 3553, 1 ); - emptyTextures[ 34067 ] = createTexture( 34067, 34069, 6 ); - - // init - - colorBuffer.setClear( 0, 0, 0, 1 ); - depthBuffer.setClear( 1 ); - stencilBuffer.setClear( 0 ); - - enable( 2929 ); - depthBuffer.setFunc( LessEqualDepth ); - - setFlipSided( false ); - setCullFace( CullFaceBack ); - enable( 2884 ); - - setBlending( NoBlending ); - - // - - function initAttributes() { - - for ( var i = 0, l = newAttributes.length; i < l; i ++ ) { - - newAttributes[ i ] = 0; - - } - - } - - function enableAttribute( attribute ) { - - enableAttributeAndDivisor( attribute, 0 ); - - } - - function enableAttributeAndDivisor( attribute, meshPerAttribute ) { - - newAttributes[ attribute ] = 1; - - if ( enabledAttributes[ attribute ] === 0 ) { - - gl.enableVertexAttribArray( attribute ); - enabledAttributes[ attribute ] = 1; - - } - - if ( attributeDivisors[ attribute ] !== meshPerAttribute ) { - - var extension = capabilities.isWebGL2 ? gl : extensions.get( 'ANGLE_instanced_arrays' ); - - extension[ capabilities.isWebGL2 ? 'vertexAttribDivisor' : 'vertexAttribDivisorANGLE' ]( attribute, meshPerAttribute ); - attributeDivisors[ attribute ] = meshPerAttribute; - - } - - } - - function disableUnusedAttributes() { - - for ( var i = 0, l = enabledAttributes.length; i !== l; ++ i ) { - - if ( enabledAttributes[ i ] !== newAttributes[ i ] ) { - - gl.disableVertexAttribArray( i ); - enabledAttributes[ i ] = 0; - - } - - } - - } - - function enable( id ) { - - if ( enabledCapabilities[ id ] !== true ) { - - gl.enable( id ); - enabledCapabilities[ id ] = true; - - } - - } - - function disable( id ) { - - if ( enabledCapabilities[ id ] !== false ) { - - gl.disable( id ); - enabledCapabilities[ id ] = false; - - } - - } - - function getCompressedTextureFormats() { - - if ( compressedTextureFormats === null ) { - - compressedTextureFormats = []; - - if ( extensions.get( 'WEBGL_compressed_texture_pvrtc' ) || - extensions.get( 'WEBGL_compressed_texture_s3tc' ) || - extensions.get( 'WEBGL_compressed_texture_etc1' ) || - extensions.get( 'WEBGL_compressed_texture_astc' ) ) { - - var formats = gl.getParameter( 34467 ); - - for ( var i = 0; i < formats.length; i ++ ) { - - compressedTextureFormats.push( formats[ i ] ); - - } - - } - - } - - return compressedTextureFormats; - - } - - function useProgram( program ) { - - if ( currentProgram !== program ) { - - gl.useProgram( program ); - - currentProgram = program; - - return true; - - } - - return false; - - } - - function setBlending( blending, blendEquation, blendSrc, blendDst, blendEquationAlpha, blendSrcAlpha, blendDstAlpha, premultipliedAlpha ) { - - if ( blending === NoBlending ) { - - if ( currentBlendingEnabled ) { - - disable( 3042 ); - currentBlendingEnabled = false; - - } - - return; - - } - - if ( ! currentBlendingEnabled ) { - - enable( 3042 ); - currentBlendingEnabled = true; - - } - - if ( blending !== CustomBlending ) { - - if ( blending !== currentBlending || premultipliedAlpha !== currentPremultipledAlpha ) { - - if ( currentBlendEquation !== AddEquation || currentBlendEquationAlpha !== AddEquation ) { - - gl.blendEquation( 32774 ); - - currentBlendEquation = AddEquation; - currentBlendEquationAlpha = AddEquation; - - } - - if ( premultipliedAlpha ) { - - switch ( blending ) { - - case NormalBlending: - gl.blendFuncSeparate( 1, 771, 1, 771 ); - break; - - case AdditiveBlending: - gl.blendFunc( 1, 1 ); - break; - - case SubtractiveBlending: - gl.blendFuncSeparate( 0, 0, 769, 771 ); - break; - - case MultiplyBlending: - gl.blendFuncSeparate( 0, 768, 0, 770 ); - break; - - default: - console.error( 'THREE.WebGLState: Invalid blending: ', blending ); - break; - - } - - } else { - - switch ( blending ) { - - case NormalBlending: - gl.blendFuncSeparate( 770, 771, 1, 771 ); - break; - - case AdditiveBlending: - gl.blendFunc( 770, 1 ); - break; - - case SubtractiveBlending: - gl.blendFunc( 0, 769 ); - break; - - case MultiplyBlending: - gl.blendFunc( 0, 768 ); - break; - - default: - console.error( 'THREE.WebGLState: Invalid blending: ', blending ); - break; - - } - - } - - currentBlendSrc = null; - currentBlendDst = null; - currentBlendSrcAlpha = null; - currentBlendDstAlpha = null; - - currentBlending = blending; - currentPremultipledAlpha = premultipliedAlpha; - - } - - return; - - } - - // custom blending - - blendEquationAlpha = blendEquationAlpha || blendEquation; - blendSrcAlpha = blendSrcAlpha || blendSrc; - blendDstAlpha = blendDstAlpha || blendDst; - - if ( blendEquation !== currentBlendEquation || blendEquationAlpha !== currentBlendEquationAlpha ) { - - gl.blendEquationSeparate( utils.convert( blendEquation ), utils.convert( blendEquationAlpha ) ); - - currentBlendEquation = blendEquation; - currentBlendEquationAlpha = blendEquationAlpha; - - } - - if ( blendSrc !== currentBlendSrc || blendDst !== currentBlendDst || blendSrcAlpha !== currentBlendSrcAlpha || blendDstAlpha !== currentBlendDstAlpha ) { - - gl.blendFuncSeparate( utils.convert( blendSrc ), utils.convert( blendDst ), utils.convert( blendSrcAlpha ), utils.convert( blendDstAlpha ) ); - - currentBlendSrc = blendSrc; - currentBlendDst = blendDst; - currentBlendSrcAlpha = blendSrcAlpha; - currentBlendDstAlpha = blendDstAlpha; - - } - - currentBlending = blending; - currentPremultipledAlpha = null; - - } - - function setMaterial( material, frontFaceCW ) { - - material.side === DoubleSide - ? disable( 2884 ) - : enable( 2884 ); - - var flipSided = ( material.side === BackSide ); - if ( frontFaceCW ) flipSided = ! flipSided; - - setFlipSided( flipSided ); - - ( material.blending === NormalBlending && material.transparent === false ) - ? setBlending( NoBlending ) - : setBlending( material.blending, material.blendEquation, material.blendSrc, material.blendDst, material.blendEquationAlpha, material.blendSrcAlpha, material.blendDstAlpha, material.premultipliedAlpha ); - - depthBuffer.setFunc( material.depthFunc ); - depthBuffer.setTest( material.depthTest ); - depthBuffer.setMask( material.depthWrite ); - colorBuffer.setMask( material.colorWrite ); - - var stencilWrite = material.stencilWrite; - stencilBuffer.setTest( stencilWrite ); - if ( stencilWrite ) { - - stencilBuffer.setFunc( material.stencilFunc, material.stencilRef, material.stencilMask ); - stencilBuffer.setOp( material.stencilFail, material.stencilZFail, material.stencilZPass ); - - } - - setPolygonOffset( material.polygonOffset, material.polygonOffsetFactor, material.polygonOffsetUnits ); - - } - - // - - function setFlipSided( flipSided ) { - - if ( currentFlipSided !== flipSided ) { - - if ( flipSided ) { - - gl.frontFace( 2304 ); - - } else { - - gl.frontFace( 2305 ); - - } - - currentFlipSided = flipSided; - - } - - } - - function setCullFace( cullFace ) { - - if ( cullFace !== CullFaceNone ) { - - enable( 2884 ); - - if ( cullFace !== currentCullFace ) { - - if ( cullFace === CullFaceBack ) { - - gl.cullFace( 1029 ); - - } else if ( cullFace === CullFaceFront ) { - - gl.cullFace( 1028 ); - - } else { - - gl.cullFace( 1032 ); - - } - - } - - } else { - - disable( 2884 ); - - } - - currentCullFace = cullFace; - - } - - function setLineWidth( width ) { - - if ( width !== currentLineWidth ) { - - if ( lineWidthAvailable ) gl.lineWidth( width ); - - currentLineWidth = width; - - } - - } - - function setPolygonOffset( polygonOffset, factor, units ) { - - if ( polygonOffset ) { - - enable( 32823 ); - - if ( currentPolygonOffsetFactor !== factor || currentPolygonOffsetUnits !== units ) { - - gl.polygonOffset( factor, units ); - - currentPolygonOffsetFactor = factor; - currentPolygonOffsetUnits = units; - - } - - } else { - - disable( 32823 ); - - } - - } - - function setScissorTest( scissorTest ) { - - if ( scissorTest ) { - - enable( 3089 ); - - } else { - - disable( 3089 ); - - } - - } - - // texture - - function activeTexture( webglSlot ) { - - if ( webglSlot === undefined ) webglSlot = 33984 + maxTextures - 1; - - if ( currentTextureSlot !== webglSlot ) { - - gl.activeTexture( webglSlot ); - currentTextureSlot = webglSlot; - - } - - } - - function bindTexture( webglType, webglTexture ) { - - if ( currentTextureSlot === null ) { - - activeTexture(); - - } - - var boundTexture = currentBoundTextures[ currentTextureSlot ]; - - if ( boundTexture === undefined ) { - - boundTexture = { type: undefined, texture: undefined }; - currentBoundTextures[ currentTextureSlot ] = boundTexture; - - } - - if ( boundTexture.type !== webglType || boundTexture.texture !== webglTexture ) { - - gl.bindTexture( webglType, webglTexture || emptyTextures[ webglType ] ); - - boundTexture.type = webglType; - boundTexture.texture = webglTexture; - - } - - } - - function compressedTexImage2D() { - - try { - - gl.compressedTexImage2D.apply( gl, arguments ); - - } catch ( error ) { - - console.error( 'THREE.WebGLState:', error ); - - } - - } - - function texImage2D() { - - try { - - gl.texImage2D.apply( gl, arguments ); - - } catch ( error ) { - - console.error( 'THREE.WebGLState:', error ); - - } - - } - - function texImage3D() { - - try { - - gl.texImage3D.apply( gl, arguments ); - - } catch ( error ) { - - console.error( 'THREE.WebGLState:', error ); - - } - - } - - // - - function scissor( scissor ) { - - if ( currentScissor.equals( scissor ) === false ) { - - gl.scissor( scissor.x, scissor.y, scissor.z, scissor.w ); - currentScissor.copy( scissor ); - - } - - } - - function viewport( viewport ) { - - if ( currentViewport.equals( viewport ) === false ) { - - gl.viewport( viewport.x, viewport.y, viewport.z, viewport.w ); - currentViewport.copy( viewport ); - - } - - } - - // - - function reset() { - - for ( var i = 0; i < enabledAttributes.length; i ++ ) { - - if ( enabledAttributes[ i ] === 1 ) { - - gl.disableVertexAttribArray( i ); - enabledAttributes[ i ] = 0; - - } - - } - - enabledCapabilities = {}; - - compressedTextureFormats = null; - - currentTextureSlot = null; - currentBoundTextures = {}; - - currentProgram = null; - - currentBlending = null; - - currentFlipSided = null; - currentCullFace = null; - - colorBuffer.reset(); - depthBuffer.reset(); - stencilBuffer.reset(); - - } - - return { - - buffers: { - color: colorBuffer, - depth: depthBuffer, - stencil: stencilBuffer - }, - - initAttributes: initAttributes, - enableAttribute: enableAttribute, - enableAttributeAndDivisor: enableAttributeAndDivisor, - disableUnusedAttributes: disableUnusedAttributes, - enable: enable, - disable: disable, - getCompressedTextureFormats: getCompressedTextureFormats, - - useProgram: useProgram, - - setBlending: setBlending, - setMaterial: setMaterial, - - setFlipSided: setFlipSided, - setCullFace: setCullFace, - - setLineWidth: setLineWidth, - setPolygonOffset: setPolygonOffset, - - setScissorTest: setScissorTest, - - activeTexture: activeTexture, - bindTexture: bindTexture, - compressedTexImage2D: compressedTexImage2D, - texImage2D: texImage2D, - texImage3D: texImage3D, - - scissor: scissor, - viewport: viewport, - - reset: reset - - }; - - } - - /** - * @author mrdoob / http://mrdoob.com/ - */ - - function WebGLTextures( _gl, extensions, state, properties, capabilities, utils, info ) { - - var _videoTextures = new WeakMap(); - var _canvas; - - // - - var useOffscreenCanvas = typeof OffscreenCanvas !== 'undefined'; - - function createCanvas( width, height ) { - - // Use OffscreenCanvas when available. Specially needed in web workers - - return useOffscreenCanvas ? - new OffscreenCanvas( width, height ) : - document.createElementNS( 'http://www.w3.org/1999/xhtml', 'canvas' ); - - } - - function resizeImage( image, needsPowerOfTwo, needsNewCanvas, maxSize ) { - - var scale = 1; - - // handle case if texture exceeds max size - - if ( image.width > maxSize || image.height > maxSize ) { - - scale = maxSize / Math.max( image.width, image.height ); - - } - - // only perform resize if necessary - - if ( scale < 1 || needsPowerOfTwo === true ) { - - // only perform resize for certain image types - - if ( ( typeof HTMLImageElement !== 'undefined' && image instanceof HTMLImageElement ) || - ( typeof HTMLCanvasElement !== 'undefined' && image instanceof HTMLCanvasElement ) || - ( typeof ImageBitmap !== 'undefined' && image instanceof ImageBitmap ) ) { - - var floor = needsPowerOfTwo ? _Math.floorPowerOfTwo : Math.floor; - - var width = floor( scale * image.width ); - var height = floor( scale * image.height ); - - if ( _canvas === undefined ) _canvas = createCanvas( width, height ); - - // cube textures can't reuse the same canvas - - var canvas = needsNewCanvas ? createCanvas( width, height ) : _canvas; - - canvas.width = width; - canvas.height = height; - - var context = canvas.getContext( '2d' ); - context.drawImage( image, 0, 0, width, height ); - - console.warn( 'THREE.WebGLRenderer: Texture has been resized from (' + image.width + 'x' + image.height + ') to (' + width + 'x' + height + ').' ); - - return canvas; - - } else { - - if ( 'data' in image ) { - - console.warn( 'THREE.WebGLRenderer: Image in DataTexture is too big (' + image.width + 'x' + image.height + ').' ); - - } - - return image; - - } - - } - - return image; - - } - - function isPowerOfTwo( image ) { - - return _Math.isPowerOfTwo( image.width ) && _Math.isPowerOfTwo( image.height ); - - } - - function textureNeedsPowerOfTwo( texture ) { - - if ( capabilities.isWebGL2 ) return false; - - return ( texture.wrapS !== ClampToEdgeWrapping || texture.wrapT !== ClampToEdgeWrapping ) || - ( texture.minFilter !== NearestFilter && texture.minFilter !== LinearFilter ); - - } - - function textureNeedsGenerateMipmaps( texture, supportsMips ) { - - return texture.generateMipmaps && supportsMips && - texture.minFilter !== NearestFilter && texture.minFilter !== LinearFilter; - - } - - function generateMipmap( target, texture, width, height ) { - - _gl.generateMipmap( target ); - - var textureProperties = properties.get( texture ); - - // Note: Math.log( x ) * Math.LOG2E used instead of Math.log2( x ) which is not supported by IE11 - textureProperties.__maxMipLevel = Math.log( Math.max( width, height ) ) * Math.LOG2E; - - } - - function getInternalFormat( glFormat, glType ) { - - if ( ! capabilities.isWebGL2 ) return glFormat; - - var internalFormat = glFormat; - - if ( glFormat === 6403 ) { - - if ( glType === 5126 ) internalFormat = 33326; - if ( glType === 5131 ) internalFormat = 33325; - if ( glType === 5121 ) internalFormat = 33321; - - } - - if ( glFormat === 6407 ) { - - if ( glType === 5126 ) internalFormat = 34837; - if ( glType === 5131 ) internalFormat = 34843; - if ( glType === 5121 ) internalFormat = 32849; - - } - - if ( glFormat === 6408 ) { - - if ( glType === 5126 ) internalFormat = 34836; - if ( glType === 5131 ) internalFormat = 34842; - if ( glType === 5121 ) internalFormat = 32856; - - } - - if ( internalFormat === 33325 || internalFormat === 33326 || - internalFormat === 34842 || internalFormat === 34836 ) { - - extensions.get( 'EXT_color_buffer_float' ); - - } else if ( internalFormat === 34843 || internalFormat === 34837 ) { - - console.warn( 'THREE.WebGLRenderer: Floating point textures with RGB format not supported. Please use RGBA instead.' ); - - } - - return internalFormat; - - } - - // Fallback filters for non-power-of-2 textures - - function filterFallback( f ) { - - if ( f === NearestFilter || f === NearestMipmapNearestFilter || f === NearestMipmapLinearFilter ) { - - return 9728; - - } - - return 9729; - - } - - // - - function onTextureDispose( event ) { - - var texture = event.target; - - texture.removeEventListener( 'dispose', onTextureDispose ); - - deallocateTexture( texture ); - - if ( texture.isVideoTexture ) { - - _videoTextures.delete( texture ); - - } - - info.memory.textures --; - - } - - function onRenderTargetDispose( event ) { - - var renderTarget = event.target; - - renderTarget.removeEventListener( 'dispose', onRenderTargetDispose ); - - deallocateRenderTarget( renderTarget ); - - info.memory.textures --; - - } - - // - - function deallocateTexture( texture ) { - - var textureProperties = properties.get( texture ); - - if ( textureProperties.__webglInit === undefined ) return; - - _gl.deleteTexture( textureProperties.__webglTexture ); - - properties.remove( texture ); - - } - - function deallocateRenderTarget( renderTarget ) { - - var renderTargetProperties = properties.get( renderTarget ); - var textureProperties = properties.get( renderTarget.texture ); - - if ( ! renderTarget ) return; - - if ( textureProperties.__webglTexture !== undefined ) { - - _gl.deleteTexture( textureProperties.__webglTexture ); - - } - - if ( renderTarget.depthTexture ) { - - renderTarget.depthTexture.dispose(); - - } - - if ( renderTarget.isWebGLRenderTargetCube ) { - - for ( var i = 0; i < 6; i ++ ) { - - _gl.deleteFramebuffer( renderTargetProperties.__webglFramebuffer[ i ] ); - if ( renderTargetProperties.__webglDepthbuffer ) _gl.deleteRenderbuffer( renderTargetProperties.__webglDepthbuffer[ i ] ); - - } - - } else { - - _gl.deleteFramebuffer( renderTargetProperties.__webglFramebuffer ); - if ( renderTargetProperties.__webglDepthbuffer ) _gl.deleteRenderbuffer( renderTargetProperties.__webglDepthbuffer ); - - } - - properties.remove( renderTarget.texture ); - properties.remove( renderTarget ); - - } - - // - - var textureUnits = 0; - - function resetTextureUnits() { - - textureUnits = 0; - - } - - function allocateTextureUnit() { - - var textureUnit = textureUnits; - - if ( textureUnit >= capabilities.maxTextures ) { - - console.warn( 'THREE.WebGLTextures: Trying to use ' + textureUnit + ' texture units while this GPU supports only ' + capabilities.maxTextures ); - - } - - textureUnits += 1; - - return textureUnit; - - } - - // - - function setTexture2D( texture, slot ) { - - var textureProperties = properties.get( texture ); - - if ( texture.isVideoTexture ) updateVideoTexture( texture ); - - if ( texture.version > 0 && textureProperties.__version !== texture.version ) { - - var image = texture.image; - - if ( image === undefined ) { - - console.warn( 'THREE.WebGLRenderer: Texture marked for update but image is undefined' ); - - } else if ( image.complete === false ) { - - console.warn( 'THREE.WebGLRenderer: Texture marked for update but image is incomplete' ); - - } else { - - uploadTexture( textureProperties, texture, slot ); - return; - - } - - } - - state.activeTexture( 33984 + slot ); - state.bindTexture( 3553, textureProperties.__webglTexture ); - - } - - function setTexture2DArray( texture, slot ) { - - var textureProperties = properties.get( texture ); - - if ( texture.version > 0 && textureProperties.__version !== texture.version ) { - - uploadTexture( textureProperties, texture, slot ); - return; - - } - - state.activeTexture( 33984 + slot ); - state.bindTexture( 35866, textureProperties.__webglTexture ); - - } - - function setTexture3D( texture, slot ) { - - var textureProperties = properties.get( texture ); - - if ( texture.version > 0 && textureProperties.__version !== texture.version ) { - - uploadTexture( textureProperties, texture, slot ); - return; - - } - - state.activeTexture( 33984 + slot ); - state.bindTexture( 32879, textureProperties.__webglTexture ); - - } - - function setTextureCube( texture, slot ) { - - if ( texture.image.length !== 6 ) return; - - var textureProperties = properties.get( texture ); - - if ( texture.version > 0 && textureProperties.__version !== texture.version ) { - - initTexture( textureProperties, texture ); - - state.activeTexture( 33984 + slot ); - state.bindTexture( 34067, textureProperties.__webglTexture ); - - _gl.pixelStorei( 37440, texture.flipY ); - - var isCompressed = ( texture && texture.isCompressedTexture ); - var isDataTexture = ( texture.image[ 0 ] && texture.image[ 0 ].isDataTexture ); - - var cubeImage = []; - - for ( var i = 0; i < 6; i ++ ) { - - if ( ! isCompressed && ! isDataTexture ) { - - cubeImage[ i ] = resizeImage( texture.image[ i ], false, true, capabilities.maxCubemapSize ); - - } else { - - cubeImage[ i ] = isDataTexture ? texture.image[ i ].image : texture.image[ i ]; - - } - - } - - var image = cubeImage[ 0 ], - supportsMips = isPowerOfTwo( image ) || capabilities.isWebGL2, - glFormat = utils.convert( texture.format ), - glType = utils.convert( texture.type ), - glInternalFormat = getInternalFormat( glFormat, glType ); - - setTextureParameters( 34067, texture, supportsMips ); - - var mipmaps; - - if ( isCompressed ) { - - for ( var i = 0; i < 6; i ++ ) { - - mipmaps = cubeImage[ i ].mipmaps; - - for ( var j = 0; j < mipmaps.length; j ++ ) { - - var mipmap = mipmaps[ j ]; - - if ( texture.format !== RGBAFormat && texture.format !== RGBFormat ) { - - if ( state.getCompressedTextureFormats().indexOf( glFormat ) > - 1 ) { - - state.compressedTexImage2D( 34069 + i, j, glInternalFormat, mipmap.width, mipmap.height, 0, mipmap.data ); - - } else { - - console.warn( 'THREE.WebGLRenderer: Attempt to load unsupported compressed texture format in .setTextureCube()' ); - - } - - } else { - - state.texImage2D( 34069 + i, j, glInternalFormat, mipmap.width, mipmap.height, 0, glFormat, glType, mipmap.data ); - - } - - } - - } - - textureProperties.__maxMipLevel = mipmaps.length - 1; - - } else { - - mipmaps = texture.mipmaps; - - for ( var i = 0; i < 6; i ++ ) { - - if ( isDataTexture ) { - - state.texImage2D( 34069 + i, 0, glInternalFormat, cubeImage[ i ].width, cubeImage[ i ].height, 0, glFormat, glType, cubeImage[ i ].data ); - - for ( var j = 0; j < mipmaps.length; j ++ ) { - - var mipmap = mipmaps[ j ]; - var mipmapImage = mipmap.image[ i ].image; - - state.texImage2D( 34069 + i, j + 1, glInternalFormat, mipmapImage.width, mipmapImage.height, 0, glFormat, glType, mipmapImage.data ); - - } - - } else { - - state.texImage2D( 34069 + i, 0, glInternalFormat, glFormat, glType, cubeImage[ i ] ); - - for ( var j = 0; j < mipmaps.length; j ++ ) { - - var mipmap = mipmaps[ j ]; - - state.texImage2D( 34069 + i, j + 1, glInternalFormat, glFormat, glType, mipmap.image[ i ] ); - - } - - } - - } - - textureProperties.__maxMipLevel = mipmaps.length; - - } - - if ( textureNeedsGenerateMipmaps( texture, supportsMips ) ) { - - // We assume images for cube map have the same size. - generateMipmap( 34067, texture, image.width, image.height ); - - } - - textureProperties.__version = texture.version; - - if ( texture.onUpdate ) texture.onUpdate( texture ); - - } else { - - state.activeTexture( 33984 + slot ); - state.bindTexture( 34067, textureProperties.__webglTexture ); - - } - - } - - function setTextureCubeDynamic( texture, slot ) { - - state.activeTexture( 33984 + slot ); - state.bindTexture( 34067, properties.get( texture ).__webglTexture ); - - } - - function setTextureParameters( textureType, texture, supportsMips ) { - - var extension; - - if ( supportsMips ) { - - _gl.texParameteri( textureType, 10242, utils.convert( texture.wrapS ) ); - _gl.texParameteri( textureType, 10243, utils.convert( texture.wrapT ) ); - - if ( textureType === 32879 || textureType === 35866 ) { - - _gl.texParameteri( textureType, 32882, utils.convert( texture.wrapR ) ); - - } - - _gl.texParameteri( textureType, 10240, utils.convert( texture.magFilter ) ); - _gl.texParameteri( textureType, 10241, utils.convert( texture.minFilter ) ); - - } else { - - _gl.texParameteri( textureType, 10242, 33071 ); - _gl.texParameteri( textureType, 10243, 33071 ); - - if ( textureType === 32879 || textureType === 35866 ) { - - _gl.texParameteri( textureType, 32882, 33071 ); - - } - - if ( texture.wrapS !== ClampToEdgeWrapping || texture.wrapT !== ClampToEdgeWrapping ) { - - console.warn( 'THREE.WebGLRenderer: Texture is not power of two. Texture.wrapS and Texture.wrapT should be set to THREE.ClampToEdgeWrapping.' ); - - } - - _gl.texParameteri( textureType, 10240, filterFallback( texture.magFilter ) ); - _gl.texParameteri( textureType, 10241, filterFallback( texture.minFilter ) ); - - if ( texture.minFilter !== NearestFilter && texture.minFilter !== LinearFilter ) { - - console.warn( 'THREE.WebGLRenderer: Texture is not power of two. Texture.minFilter should be set to THREE.NearestFilter or THREE.LinearFilter.' ); - - } - - } - - extension = extensions.get( 'EXT_texture_filter_anisotropic' ); - - if ( extension ) { - - if ( texture.type === FloatType && extensions.get( 'OES_texture_float_linear' ) === null ) return; - if ( texture.type === HalfFloatType && ( capabilities.isWebGL2 || extensions.get( 'OES_texture_half_float_linear' ) ) === null ) return; - - if ( texture.anisotropy > 1 || properties.get( texture ).__currentAnisotropy ) { - - _gl.texParameterf( textureType, extension.TEXTURE_MAX_ANISOTROPY_EXT, Math.min( texture.anisotropy, capabilities.getMaxAnisotropy() ) ); - properties.get( texture ).__currentAnisotropy = texture.anisotropy; - - } - - } - - } - - function initTexture( textureProperties, texture ) { - - if ( textureProperties.__webglInit === undefined ) { - - textureProperties.__webglInit = true; - - texture.addEventListener( 'dispose', onTextureDispose ); - - textureProperties.__webglTexture = _gl.createTexture(); - - info.memory.textures ++; - - } - - } - - function uploadTexture( textureProperties, texture, slot ) { - - var textureType = 3553; - - if ( texture.isDataTexture2DArray ) textureType = 35866; - if ( texture.isDataTexture3D ) textureType = 32879; - - initTexture( textureProperties, texture ); - - state.activeTexture( 33984 + slot ); - state.bindTexture( textureType, textureProperties.__webglTexture ); - - _gl.pixelStorei( 37440, texture.flipY ); - _gl.pixelStorei( 37441, texture.premultiplyAlpha ); - _gl.pixelStorei( 3317, texture.unpackAlignment ); - - var needsPowerOfTwo = textureNeedsPowerOfTwo( texture ) && isPowerOfTwo( texture.image ) === false; - var image = resizeImage( texture.image, needsPowerOfTwo, false, capabilities.maxTextureSize ); - - var supportsMips = isPowerOfTwo( image ) || capabilities.isWebGL2, - glFormat = utils.convert( texture.format ), - glType = utils.convert( texture.type ), - glInternalFormat = getInternalFormat( glFormat, glType ); - - setTextureParameters( textureType, texture, supportsMips ); - - var mipmap, mipmaps = texture.mipmaps; - - if ( texture.isDepthTexture ) { - - // populate depth texture with dummy data - - glInternalFormat = 6402; - - if ( texture.type === FloatType ) { - - if ( ! capabilities.isWebGL2 ) throw new Error( 'Float Depth Texture only supported in WebGL2.0' ); - glInternalFormat = 36012; - - } else if ( capabilities.isWebGL2 ) { - - // WebGL 2.0 requires signed internalformat for glTexImage2D - glInternalFormat = 33189; - - } - - if ( texture.format === DepthFormat && glInternalFormat === 6402 ) { - - // The error INVALID_OPERATION is generated by texImage2D if format and internalformat are - // DEPTH_COMPONENT and type is not UNSIGNED_SHORT or UNSIGNED_INT - // (https://www.khronos.org/registry/webgl/extensions/WEBGL_depth_texture/) - if ( texture.type !== UnsignedShortType && texture.type !== UnsignedIntType ) { - - console.warn( 'THREE.WebGLRenderer: Use UnsignedShortType or UnsignedIntType for DepthFormat DepthTexture.' ); - - texture.type = UnsignedShortType; - glType = utils.convert( texture.type ); - - } - - } - - // Depth stencil textures need the DEPTH_STENCIL internal format - // (https://www.khronos.org/registry/webgl/extensions/WEBGL_depth_texture/) - if ( texture.format === DepthStencilFormat ) { - - glInternalFormat = 34041; - - // The error INVALID_OPERATION is generated by texImage2D if format and internalformat are - // DEPTH_STENCIL and type is not UNSIGNED_INT_24_8_WEBGL. - // (https://www.khronos.org/registry/webgl/extensions/WEBGL_depth_texture/) - if ( texture.type !== UnsignedInt248Type ) { - - console.warn( 'THREE.WebGLRenderer: Use UnsignedInt248Type for DepthStencilFormat DepthTexture.' ); - - texture.type = UnsignedInt248Type; - glType = utils.convert( texture.type ); - - } - - } - - state.texImage2D( 3553, 0, glInternalFormat, image.width, image.height, 0, glFormat, glType, null ); - - } else if ( texture.isDataTexture ) { - - // use manually created mipmaps if available - // if there are no manual mipmaps - // set 0 level mipmap and then use GL to generate other mipmap levels - - if ( mipmaps.length > 0 && supportsMips ) { - - for ( var i = 0, il = mipmaps.length; i < il; i ++ ) { - - mipmap = mipmaps[ i ]; - state.texImage2D( 3553, i, glInternalFormat, mipmap.width, mipmap.height, 0, glFormat, glType, mipmap.data ); - - } - - texture.generateMipmaps = false; - textureProperties.__maxMipLevel = mipmaps.length - 1; - - } else { - - state.texImage2D( 3553, 0, glInternalFormat, image.width, image.height, 0, glFormat, glType, image.data ); - textureProperties.__maxMipLevel = 0; - - } - - } else if ( texture.isCompressedTexture ) { - - for ( var i = 0, il = mipmaps.length; i < il; i ++ ) { - - mipmap = mipmaps[ i ]; - - if ( texture.format !== RGBAFormat && texture.format !== RGBFormat ) { - - if ( state.getCompressedTextureFormats().indexOf( glFormat ) > - 1 ) { - - state.compressedTexImage2D( 3553, i, glInternalFormat, mipmap.width, mipmap.height, 0, mipmap.data ); - - } else { - - console.warn( 'THREE.WebGLRenderer: Attempt to load unsupported compressed texture format in .uploadTexture()' ); - - } - - } else { - - state.texImage2D( 3553, i, glInternalFormat, mipmap.width, mipmap.height, 0, glFormat, glType, mipmap.data ); - - } - - } - - textureProperties.__maxMipLevel = mipmaps.length - 1; - - } else if ( texture.isDataTexture2DArray ) { - - state.texImage3D( 35866, 0, glInternalFormat, image.width, image.height, image.depth, 0, glFormat, glType, image.data ); - textureProperties.__maxMipLevel = 0; - - } else if ( texture.isDataTexture3D ) { - - state.texImage3D( 32879, 0, glInternalFormat, image.width, image.height, image.depth, 0, glFormat, glType, image.data ); - textureProperties.__maxMipLevel = 0; - - } else { - - // regular Texture (image, video, canvas) - - // use manually created mipmaps if available - // if there are no manual mipmaps - // set 0 level mipmap and then use GL to generate other mipmap levels - - if ( mipmaps.length > 0 && supportsMips ) { - - for ( var i = 0, il = mipmaps.length; i < il; i ++ ) { - - mipmap = mipmaps[ i ]; - state.texImage2D( 3553, i, glInternalFormat, glFormat, glType, mipmap ); - - } - - texture.generateMipmaps = false; - textureProperties.__maxMipLevel = mipmaps.length - 1; - - } else { - - state.texImage2D( 3553, 0, glInternalFormat, glFormat, glType, image ); - textureProperties.__maxMipLevel = 0; - - } - - } - - if ( textureNeedsGenerateMipmaps( texture, supportsMips ) ) { - - generateMipmap( 3553, texture, image.width, image.height ); - - } - - textureProperties.__version = texture.version; - - if ( texture.onUpdate ) texture.onUpdate( texture ); - - } - - // Render targets - - // Setup storage for target texture and bind it to correct framebuffer - function setupFrameBufferTexture( framebuffer, renderTarget, attachment, textureTarget ) { - - var glFormat = utils.convert( renderTarget.texture.format ); - var glType = utils.convert( renderTarget.texture.type ); - var glInternalFormat = getInternalFormat( glFormat, glType ); - state.texImage2D( textureTarget, 0, glInternalFormat, renderTarget.width, renderTarget.height, 0, glFormat, glType, null ); - _gl.bindFramebuffer( 36160, framebuffer ); - _gl.framebufferTexture2D( 36160, attachment, textureTarget, properties.get( renderTarget.texture ).__webglTexture, 0 ); - _gl.bindFramebuffer( 36160, null ); - - } - - // Setup storage for internal depth/stencil buffers and bind to correct framebuffer - function setupRenderBufferStorage( renderbuffer, renderTarget, isMultisample ) { - - _gl.bindRenderbuffer( 36161, renderbuffer ); - - if ( renderTarget.depthBuffer && ! renderTarget.stencilBuffer ) { - - if ( isMultisample ) { - - var samples = getRenderTargetSamples( renderTarget ); - - _gl.renderbufferStorageMultisample( 36161, samples, 33189, renderTarget.width, renderTarget.height ); - - } else { - - _gl.renderbufferStorage( 36161, 33189, renderTarget.width, renderTarget.height ); - - } - - _gl.framebufferRenderbuffer( 36160, 36096, 36161, renderbuffer ); - - } else if ( renderTarget.depthBuffer && renderTarget.stencilBuffer ) { - - if ( isMultisample ) { - - var samples = getRenderTargetSamples( renderTarget ); - - _gl.renderbufferStorageMultisample( 36161, samples, 35056, renderTarget.width, renderTarget.height ); - - } else { - - _gl.renderbufferStorage( 36161, 34041, renderTarget.width, renderTarget.height ); - - } - - - _gl.framebufferRenderbuffer( 36160, 33306, 36161, renderbuffer ); - - } else { - - var glFormat = utils.convert( renderTarget.texture.format ); - var glType = utils.convert( renderTarget.texture.type ); - var glInternalFormat = getInternalFormat( glFormat, glType ); - - if ( isMultisample ) { - - var samples = getRenderTargetSamples( renderTarget ); - - _gl.renderbufferStorageMultisample( 36161, samples, glInternalFormat, renderTarget.width, renderTarget.height ); - - } else { - - _gl.renderbufferStorage( 36161, glInternalFormat, renderTarget.width, renderTarget.height ); - - } - - } - - _gl.bindRenderbuffer( 36161, null ); - - } - - // Setup resources for a Depth Texture for a FBO (needs an extension) - function setupDepthTexture( framebuffer, renderTarget ) { - - var isCube = ( renderTarget && renderTarget.isWebGLRenderTargetCube ); - if ( isCube ) throw new Error( 'Depth Texture with cube render targets is not supported' ); - - _gl.bindFramebuffer( 36160, framebuffer ); - - if ( ! ( renderTarget.depthTexture && renderTarget.depthTexture.isDepthTexture ) ) { - - throw new Error( 'renderTarget.depthTexture must be an instance of THREE.DepthTexture' ); - - } - - // upload an empty depth texture with framebuffer size - if ( ! properties.get( renderTarget.depthTexture ).__webglTexture || - renderTarget.depthTexture.image.width !== renderTarget.width || - renderTarget.depthTexture.image.height !== renderTarget.height ) { - - renderTarget.depthTexture.image.width = renderTarget.width; - renderTarget.depthTexture.image.height = renderTarget.height; - renderTarget.depthTexture.needsUpdate = true; - - } - - setTexture2D( renderTarget.depthTexture, 0 ); - - var webglDepthTexture = properties.get( renderTarget.depthTexture ).__webglTexture; - - if ( renderTarget.depthTexture.format === DepthFormat ) { - - _gl.framebufferTexture2D( 36160, 36096, 3553, webglDepthTexture, 0 ); - - } else if ( renderTarget.depthTexture.format === DepthStencilFormat ) { - - _gl.framebufferTexture2D( 36160, 33306, 3553, webglDepthTexture, 0 ); - - } else { - - throw new Error( 'Unknown depthTexture format' ); - - } - - } - - // Setup GL resources for a non-texture depth buffer - function setupDepthRenderbuffer( renderTarget ) { - - var renderTargetProperties = properties.get( renderTarget ); - - var isCube = ( renderTarget.isWebGLRenderTargetCube === true ); - - if ( renderTarget.depthTexture ) { - - if ( isCube ) throw new Error( 'target.depthTexture not supported in Cube render targets' ); - - setupDepthTexture( renderTargetProperties.__webglFramebuffer, renderTarget ); - - } else { - - if ( isCube ) { - - renderTargetProperties.__webglDepthbuffer = []; - - for ( var i = 0; i < 6; i ++ ) { - - _gl.bindFramebuffer( 36160, renderTargetProperties.__webglFramebuffer[ i ] ); - renderTargetProperties.__webglDepthbuffer[ i ] = _gl.createRenderbuffer(); - setupRenderBufferStorage( renderTargetProperties.__webglDepthbuffer[ i ], renderTarget ); - - } - - } else { - - _gl.bindFramebuffer( 36160, renderTargetProperties.__webglFramebuffer ); - renderTargetProperties.__webglDepthbuffer = _gl.createRenderbuffer(); - setupRenderBufferStorage( renderTargetProperties.__webglDepthbuffer, renderTarget ); - - } - - } - - _gl.bindFramebuffer( 36160, null ); - - } - - // Set up GL resources for the render target - function setupRenderTarget( renderTarget ) { - - var renderTargetProperties = properties.get( renderTarget ); - var textureProperties = properties.get( renderTarget.texture ); - - renderTarget.addEventListener( 'dispose', onRenderTargetDispose ); - - textureProperties.__webglTexture = _gl.createTexture(); - - info.memory.textures ++; - - var isCube = ( renderTarget.isWebGLRenderTargetCube === true ); - var isMultisample = ( renderTarget.isWebGLMultisampleRenderTarget === true ); - var supportsMips = isPowerOfTwo( renderTarget ) || capabilities.isWebGL2; - - // Setup framebuffer - - if ( isCube ) { - - renderTargetProperties.__webglFramebuffer = []; - - for ( var i = 0; i < 6; i ++ ) { - - renderTargetProperties.__webglFramebuffer[ i ] = _gl.createFramebuffer(); - - } - - } else { - - renderTargetProperties.__webglFramebuffer = _gl.createFramebuffer(); - - if ( isMultisample ) { - - if ( capabilities.isWebGL2 ) { - - renderTargetProperties.__webglMultisampledFramebuffer = _gl.createFramebuffer(); - renderTargetProperties.__webglColorRenderbuffer = _gl.createRenderbuffer(); - - _gl.bindRenderbuffer( 36161, renderTargetProperties.__webglColorRenderbuffer ); - var glFormat = utils.convert( renderTarget.texture.format ); - var glType = utils.convert( renderTarget.texture.type ); - var glInternalFormat = getInternalFormat( glFormat, glType ); - var samples = getRenderTargetSamples( renderTarget ); - _gl.renderbufferStorageMultisample( 36161, samples, glInternalFormat, renderTarget.width, renderTarget.height ); - - _gl.bindFramebuffer( 36160, renderTargetProperties.__webglMultisampledFramebuffer ); - _gl.framebufferRenderbuffer( 36160, 36064, 36161, renderTargetProperties.__webglColorRenderbuffer ); - _gl.bindRenderbuffer( 36161, null ); - - if ( renderTarget.depthBuffer ) { - - renderTargetProperties.__webglDepthRenderbuffer = _gl.createRenderbuffer(); - setupRenderBufferStorage( renderTargetProperties.__webglDepthRenderbuffer, renderTarget, true ); - - } - - _gl.bindFramebuffer( 36160, null ); - - - } else { - - console.warn( 'THREE.WebGLRenderer: WebGLMultisampleRenderTarget can only be used with WebGL2.' ); - - } - - } - - } - - // Setup color buffer - - if ( isCube ) { - - state.bindTexture( 34067, textureProperties.__webglTexture ); - setTextureParameters( 34067, renderTarget.texture, supportsMips ); - - for ( var i = 0; i < 6; i ++ ) { - - setupFrameBufferTexture( renderTargetProperties.__webglFramebuffer[ i ], renderTarget, 36064, 34069 + i ); - - } - - if ( textureNeedsGenerateMipmaps( renderTarget.texture, supportsMips ) ) { - - generateMipmap( 34067, renderTarget.texture, renderTarget.width, renderTarget.height ); - - } - - state.bindTexture( 34067, null ); - - } else { - - state.bindTexture( 3553, textureProperties.__webglTexture ); - setTextureParameters( 3553, renderTarget.texture, supportsMips ); - setupFrameBufferTexture( renderTargetProperties.__webglFramebuffer, renderTarget, 36064, 3553 ); - - if ( textureNeedsGenerateMipmaps( renderTarget.texture, supportsMips ) ) { - - generateMipmap( 3553, renderTarget.texture, renderTarget.width, renderTarget.height ); - - } - - state.bindTexture( 3553, null ); - - } - - // Setup depth and stencil buffers - - if ( renderTarget.depthBuffer ) { - - setupDepthRenderbuffer( renderTarget ); - - } - - } - - function updateRenderTargetMipmap( renderTarget ) { - - var texture = renderTarget.texture; - var supportsMips = isPowerOfTwo( renderTarget ) || capabilities.isWebGL2; - - if ( textureNeedsGenerateMipmaps( texture, supportsMips ) ) { - - var target = renderTarget.isWebGLRenderTargetCube ? 34067 : 3553; - var webglTexture = properties.get( texture ).__webglTexture; - - state.bindTexture( target, webglTexture ); - generateMipmap( target, texture, renderTarget.width, renderTarget.height ); - state.bindTexture( target, null ); - - } - - } - - function updateMultisampleRenderTarget( renderTarget ) { - - if ( renderTarget.isWebGLMultisampleRenderTarget ) { - - if ( capabilities.isWebGL2 ) { - - var renderTargetProperties = properties.get( renderTarget ); - - _gl.bindFramebuffer( 36008, renderTargetProperties.__webglMultisampledFramebuffer ); - _gl.bindFramebuffer( 36009, renderTargetProperties.__webglFramebuffer ); - - var width = renderTarget.width; - var height = renderTarget.height; - var mask = 16384; - - if ( renderTarget.depthBuffer ) mask |= 256; - if ( renderTarget.stencilBuffer ) mask |= 1024; - - _gl.blitFramebuffer( 0, 0, width, height, 0, 0, width, height, mask, 9728 ); - - } else { - - console.warn( 'THREE.WebGLRenderer: WebGLMultisampleRenderTarget can only be used with WebGL2.' ); - - } - - } - - } - - function getRenderTargetSamples( renderTarget ) { - - return ( capabilities.isWebGL2 && renderTarget.isWebGLMultisampleRenderTarget ) ? - Math.min( capabilities.maxSamples, renderTarget.samples ) : 0; - - } - - function updateVideoTexture( texture ) { - - var frame = info.render.frame; - - // Check the last frame we updated the VideoTexture - - if ( _videoTextures.get( texture ) !== frame ) { - - _videoTextures.set( texture, frame ); - texture.update(); - - } - - } - - // backwards compatibility - - var warnedTexture2D = false; - var warnedTextureCube = false; - - function safeSetTexture2D( texture, slot ) { - - if ( texture && texture.isWebGLRenderTarget ) { - - if ( warnedTexture2D === false ) { - - console.warn( "THREE.WebGLTextures.safeSetTexture2D: don't use render targets as textures. Use their .texture property instead." ); - warnedTexture2D = true; - - } - - texture = texture.texture; - - } - - setTexture2D( texture, slot ); - - } - - function safeSetTextureCube( texture, slot ) { - - if ( texture && texture.isWebGLRenderTargetCube ) { - - if ( warnedTextureCube === false ) { - - console.warn( "THREE.WebGLTextures.safeSetTextureCube: don't use cube render targets as textures. Use their .texture property instead." ); - warnedTextureCube = true; - - } - - texture = texture.texture; - - } - - // currently relying on the fact that WebGLRenderTargetCube.texture is a Texture and NOT a CubeTexture - // TODO: unify these code paths - if ( ( texture && texture.isCubeTexture ) || - ( Array.isArray( texture.image ) && texture.image.length === 6 ) ) { - - // CompressedTexture can have Array in image :/ - - // this function alone should take care of cube textures - setTextureCube( texture, slot ); - - } else { - - // assumed: texture property of THREE.WebGLRenderTargetCube - setTextureCubeDynamic( texture, slot ); - - } - - } - - // - - this.allocateTextureUnit = allocateTextureUnit; - this.resetTextureUnits = resetTextureUnits; - - this.setTexture2D = setTexture2D; - this.setTexture2DArray = setTexture2DArray; - this.setTexture3D = setTexture3D; - this.setTextureCube = setTextureCube; - this.setTextureCubeDynamic = setTextureCubeDynamic; - this.setupRenderTarget = setupRenderTarget; - this.updateRenderTargetMipmap = updateRenderTargetMipmap; - this.updateMultisampleRenderTarget = updateMultisampleRenderTarget; - - this.safeSetTexture2D = safeSetTexture2D; - this.safeSetTextureCube = safeSetTextureCube; - - } - - /** - * @author thespite / http://www.twitter.com/thespite - */ - - function WebGLUtils( gl, extensions, capabilities ) { - - function convert( p ) { - - var extension; - - if ( p === RepeatWrapping ) return 10497; - if ( p === ClampToEdgeWrapping ) return 33071; - if ( p === MirroredRepeatWrapping ) return 33648; - - if ( p === NearestFilter ) return 9728; - if ( p === NearestMipmapNearestFilter ) return 9984; - if ( p === NearestMipmapLinearFilter ) return 9986; - - if ( p === LinearFilter ) return 9729; - if ( p === LinearMipmapNearestFilter ) return 9985; - if ( p === LinearMipmapLinearFilter ) return 9987; - - if ( p === UnsignedByteType ) return 5121; - if ( p === UnsignedShort4444Type ) return 32819; - if ( p === UnsignedShort5551Type ) return 32820; - if ( p === UnsignedShort565Type ) return 33635; - - if ( p === ByteType ) return 5120; - if ( p === ShortType ) return 5122; - if ( p === UnsignedShortType ) return 5123; - if ( p === IntType ) return 5124; - if ( p === UnsignedIntType ) return 5125; - if ( p === FloatType ) return 5126; - - if ( p === HalfFloatType ) { - - if ( capabilities.isWebGL2 ) return 5131; - - extension = extensions.get( 'OES_texture_half_float' ); - - if ( extension !== null ) return extension.HALF_FLOAT_OES; - - } - - if ( p === AlphaFormat ) return 6406; - if ( p === RGBFormat ) return 6407; - if ( p === RGBAFormat ) return 6408; - if ( p === LuminanceFormat ) return 6409; - if ( p === LuminanceAlphaFormat ) return 6410; - if ( p === DepthFormat ) return 6402; - if ( p === DepthStencilFormat ) return 34041; - if ( p === RedFormat ) return 6403; - - if ( p === AddEquation ) return 32774; - if ( p === SubtractEquation ) return 32778; - if ( p === ReverseSubtractEquation ) return 32779; - - if ( p === ZeroFactor ) return 0; - if ( p === OneFactor ) return 1; - if ( p === SrcColorFactor ) return 768; - if ( p === OneMinusSrcColorFactor ) return 769; - if ( p === SrcAlphaFactor ) return 770; - if ( p === OneMinusSrcAlphaFactor ) return 771; - if ( p === DstAlphaFactor ) return 772; - if ( p === OneMinusDstAlphaFactor ) return 773; - - if ( p === DstColorFactor ) return 774; - if ( p === OneMinusDstColorFactor ) return 775; - if ( p === SrcAlphaSaturateFactor ) return 776; - - if ( p === RGB_S3TC_DXT1_Format || p === RGBA_S3TC_DXT1_Format || - p === RGBA_S3TC_DXT3_Format || p === RGBA_S3TC_DXT5_Format ) { - - extension = extensions.get( 'WEBGL_compressed_texture_s3tc' ); - - if ( extension !== null ) { - - if ( p === RGB_S3TC_DXT1_Format ) return extension.COMPRESSED_RGB_S3TC_DXT1_EXT; - if ( p === RGBA_S3TC_DXT1_Format ) return extension.COMPRESSED_RGBA_S3TC_DXT1_EXT; - if ( p === RGBA_S3TC_DXT3_Format ) return extension.COMPRESSED_RGBA_S3TC_DXT3_EXT; - if ( p === RGBA_S3TC_DXT5_Format ) return extension.COMPRESSED_RGBA_S3TC_DXT5_EXT; - - } - - } - - if ( p === RGB_PVRTC_4BPPV1_Format || p === RGB_PVRTC_2BPPV1_Format || - p === RGBA_PVRTC_4BPPV1_Format || p === RGBA_PVRTC_2BPPV1_Format ) { - - extension = extensions.get( 'WEBGL_compressed_texture_pvrtc' ); - - if ( extension !== null ) { - - if ( p === RGB_PVRTC_4BPPV1_Format ) return extension.COMPRESSED_RGB_PVRTC_4BPPV1_IMG; - if ( p === RGB_PVRTC_2BPPV1_Format ) return extension.COMPRESSED_RGB_PVRTC_2BPPV1_IMG; - if ( p === RGBA_PVRTC_4BPPV1_Format ) return extension.COMPRESSED_RGBA_PVRTC_4BPPV1_IMG; - if ( p === RGBA_PVRTC_2BPPV1_Format ) return extension.COMPRESSED_RGBA_PVRTC_2BPPV1_IMG; - - } - - } - - if ( p === RGB_ETC1_Format ) { - - extension = extensions.get( 'WEBGL_compressed_texture_etc1' ); - - if ( extension !== null ) return extension.COMPRESSED_RGB_ETC1_WEBGL; - - } - - if ( p === RGBA_ASTC_4x4_Format || p === RGBA_ASTC_5x4_Format || p === RGBA_ASTC_5x5_Format || - p === RGBA_ASTC_6x5_Format || p === RGBA_ASTC_6x6_Format || p === RGBA_ASTC_8x5_Format || - p === RGBA_ASTC_8x6_Format || p === RGBA_ASTC_8x8_Format || p === RGBA_ASTC_10x5_Format || - p === RGBA_ASTC_10x6_Format || p === RGBA_ASTC_10x8_Format || p === RGBA_ASTC_10x10_Format || - p === RGBA_ASTC_12x10_Format || p === RGBA_ASTC_12x12_Format ) { - - extension = extensions.get( 'WEBGL_compressed_texture_astc' ); - - if ( extension !== null ) { - - return p; - - } - - } - - if ( p === MinEquation || p === MaxEquation ) { - - if ( capabilities.isWebGL2 ) { - - if ( p === MinEquation ) return 32775; - if ( p === MaxEquation ) return 32776; - - } - - extension = extensions.get( 'EXT_blend_minmax' ); - - if ( extension !== null ) { - - if ( p === MinEquation ) return extension.MIN_EXT; - if ( p === MaxEquation ) return extension.MAX_EXT; - - } - - } - - if ( p === UnsignedInt248Type ) { - - if ( capabilities.isWebGL2 ) return 34042; - - extension = extensions.get( 'WEBGL_depth_texture' ); - - if ( extension !== null ) return extension.UNSIGNED_INT_24_8_WEBGL; - - } - - return 0; - - } - - return { convert: convert }; - - } - - /** - * @author mrdoob / http://mrdoob.com/ - */ - - function Group() { - - Object3D.call( this ); - - this.type = 'Group'; - - } - - Group.prototype = Object.assign( Object.create( Object3D.prototype ), { - - constructor: Group, - - isGroup: true - - } ); - - /** - * @author mrdoob / http://mrdoob.com/ - */ - - function ArrayCamera( array ) { - - PerspectiveCamera.call( this ); - - this.cameras = array || []; - - } - - ArrayCamera.prototype = Object.assign( Object.create( PerspectiveCamera.prototype ), { - - constructor: ArrayCamera, - - isArrayCamera: true - - } ); - - /** - * @author jsantell / https://www.jsantell.com/ - * @author mrdoob / http://mrdoob.com/ - */ - - var cameraLPos = new Vector3(); - var cameraRPos = new Vector3(); - - /** - * Assumes 2 cameras that are parallel and share an X-axis, and that - * the cameras' projection and world matrices have already been set. - * And that near and far planes are identical for both cameras. - * Visualization of this technique: https://computergraphics.stackexchange.com/a/4765 - */ - function setProjectionFromUnion( camera, cameraL, cameraR ) { - - cameraLPos.setFromMatrixPosition( cameraL.matrixWorld ); - cameraRPos.setFromMatrixPosition( cameraR.matrixWorld ); - - var ipd = cameraLPos.distanceTo( cameraRPos ); - - var projL = cameraL.projectionMatrix.elements; - var projR = cameraR.projectionMatrix.elements; - - // VR systems will have identical far and near planes, and - // most likely identical top and bottom frustum extents. - // Use the left camera for these values. - var near = projL[ 14 ] / ( projL[ 10 ] - 1 ); - var far = projL[ 14 ] / ( projL[ 10 ] + 1 ); - var topFov = ( projL[ 9 ] + 1 ) / projL[ 5 ]; - var bottomFov = ( projL[ 9 ] - 1 ) / projL[ 5 ]; - - var leftFov = ( projL[ 8 ] - 1 ) / projL[ 0 ]; - var rightFov = ( projR[ 8 ] + 1 ) / projR[ 0 ]; - var left = near * leftFov; - var right = near * rightFov; - - // Calculate the new camera's position offset from the - // left camera. xOffset should be roughly half `ipd`. - var zOffset = ipd / ( - leftFov + rightFov ); - var xOffset = zOffset * - leftFov; - - // TODO: Better way to apply this offset? - cameraL.matrixWorld.decompose( camera.position, camera.quaternion, camera.scale ); - camera.translateX( xOffset ); - camera.translateZ( zOffset ); - camera.matrixWorld.compose( camera.position, camera.quaternion, camera.scale ); - camera.matrixWorldInverse.getInverse( camera.matrixWorld ); - - // Find the union of the frustum values of the cameras and scale - // the values so that the near plane's position does not change in world space, - // although must now be relative to the new union camera. - var near2 = near + zOffset; - var far2 = far + zOffset; - var left2 = left - xOffset; - var right2 = right + ( ipd - xOffset ); - var top2 = topFov * far / far2 * near2; - var bottom2 = bottomFov * far / far2 * near2; - - camera.projectionMatrix.makePerspective( left2, right2, top2, bottom2, near2, far2 ); - - } - - /** - * @author mrdoob / http://mrdoob.com/ - */ - - function WebVRManager( renderer ) { - - var renderWidth, renderHeight; - var scope = this; - - var device = null; - var frameData = null; - - var poseTarget = null; - - var controllers = []; - var standingMatrix = new Matrix4(); - var standingMatrixInverse = new Matrix4(); - - var framebufferScaleFactor = 1.0; - - var referenceSpaceType = 'local-floor'; - - if ( typeof window !== 'undefined' && 'VRFrameData' in window ) { - - frameData = new window.VRFrameData(); - window.addEventListener( 'vrdisplaypresentchange', onVRDisplayPresentChange, false ); - - } - - var matrixWorldInverse = new Matrix4(); - var tempQuaternion = new Quaternion(); - var tempPosition = new Vector3(); - - var cameraL = new PerspectiveCamera(); - cameraL.viewport = new Vector4(); - cameraL.layers.enable( 1 ); - - var cameraR = new PerspectiveCamera(); - cameraR.viewport = new Vector4(); - cameraR.layers.enable( 2 ); - - var cameraVR = new ArrayCamera( [ cameraL, cameraR ] ); - cameraVR.layers.enable( 1 ); - cameraVR.layers.enable( 2 ); - - // - - function isPresenting() { - - return device !== null && device.isPresenting === true; - - } - - var currentSize = new Vector2(), currentPixelRatio; - - function onVRDisplayPresentChange() { - - if ( isPresenting() ) { - - var eyeParameters = device.getEyeParameters( 'left' ); - renderWidth = 2 * eyeParameters.renderWidth * framebufferScaleFactor; - renderHeight = eyeParameters.renderHeight * framebufferScaleFactor; - - currentPixelRatio = renderer.getPixelRatio(); - renderer.getSize( currentSize ); - - renderer.setDrawingBufferSize( renderWidth, renderHeight, 1 ); - - cameraL.viewport.set( 0, 0, renderWidth / 2, renderHeight ); - cameraR.viewport.set( renderWidth / 2, 0, renderWidth / 2, renderHeight ); - - animation.start(); - - scope.dispatchEvent( { type: 'sessionstart' } ); - - } else { - - if ( scope.enabled ) { - - renderer.setDrawingBufferSize( currentSize.width, currentSize.height, currentPixelRatio ); - - } - - animation.stop(); - - scope.dispatchEvent( { type: 'sessionend' } ); - - } - - } - - // - - var triggers = []; - - function findGamepad( id ) { - - var gamepads = navigator.getGamepads && navigator.getGamepads(); - - for ( var i = 0, j = 0, l = gamepads.length; i < l; i ++ ) { - - var gamepad = gamepads[ i ]; - - if ( gamepad && ( gamepad.id === 'Daydream Controller' || - gamepad.id === 'Gear VR Controller' || gamepad.id === 'Oculus Go Controller' || - gamepad.id === 'OpenVR Gamepad' || gamepad.id.startsWith( 'Oculus Touch' ) || - gamepad.id.startsWith( 'HTC Vive Focus' ) || - gamepad.id.startsWith( 'Spatial Controller' ) ) ) { - - if ( j === id ) return gamepad; - - j ++; - - } - - } - - } - - function updateControllers() { - - for ( var i = 0; i < controllers.length; i ++ ) { - - var controller = controllers[ i ]; - - var gamepad = findGamepad( i ); - - if ( gamepad !== undefined && gamepad.pose !== undefined ) { - - if ( gamepad.pose === null ) return; - - // Pose - - var pose = gamepad.pose; - - if ( pose.hasPosition === false ) controller.position.set( 0.2, - 0.6, - 0.05 ); - - if ( pose.position !== null ) controller.position.fromArray( pose.position ); - if ( pose.orientation !== null ) controller.quaternion.fromArray( pose.orientation ); - controller.matrix.compose( controller.position, controller.quaternion, controller.scale ); - controller.matrix.premultiply( standingMatrix ); - controller.matrix.decompose( controller.position, controller.quaternion, controller.scale ); - controller.matrixWorldNeedsUpdate = true; - controller.visible = true; - - // Trigger - - var buttonId = gamepad.id === 'Daydream Controller' ? 0 : 1; - - if ( triggers[ i ] === undefined ) triggers[ i ] = false; - - if ( triggers[ i ] !== gamepad.buttons[ buttonId ].pressed ) { - - triggers[ i ] = gamepad.buttons[ buttonId ].pressed; - - if ( triggers[ i ] === true ) { - - controller.dispatchEvent( { type: 'selectstart' } ); - - } else { - - controller.dispatchEvent( { type: 'selectend' } ); - controller.dispatchEvent( { type: 'select' } ); - - } - - } - - } else { - - controller.visible = false; - - } - - } - - } - - function updateViewportFromBounds( viewport, bounds ) { - - if ( bounds !== null && bounds.length === 4 ) { - - viewport.set( bounds[ 0 ] * renderWidth, bounds[ 1 ] * renderHeight, bounds[ 2 ] * renderWidth, bounds[ 3 ] * renderHeight ); - - } - - } - - // - - this.enabled = false; - - this.getController = function ( id ) { - - var controller = controllers[ id ]; - - if ( controller === undefined ) { - - controller = new Group(); - controller.matrixAutoUpdate = false; - controller.visible = false; - - controllers[ id ] = controller; - - } - - return controller; - - }; - - this.getDevice = function () { - - return device; - - }; - - this.setDevice = function ( value ) { - - if ( value !== undefined ) device = value; - - animation.setContext( value ); - - }; - - this.setFramebufferScaleFactor = function ( value ) { - - framebufferScaleFactor = value; - - }; - - this.setReferenceSpaceType = function ( value ) { - - referenceSpaceType = value; - - }; - - this.setPoseTarget = function ( object ) { - - if ( object !== undefined ) poseTarget = object; - - }; - - this.getCamera = function ( camera ) { - - var userHeight = referenceSpaceType === 'local-floor' ? 1.6 : 0; - - if ( isPresenting() === false ) { - - camera.position.set( 0, userHeight, 0 ); - camera.rotation.set( 0, 0, 0 ); - - return camera; - - } - - device.depthNear = camera.near; - device.depthFar = camera.far; - - device.getFrameData( frameData ); - - // - - if ( referenceSpaceType === 'local-floor' ) { - - var stageParameters = device.stageParameters; - - if ( stageParameters ) { - - standingMatrix.fromArray( stageParameters.sittingToStandingTransform ); - - } else { - - standingMatrix.makeTranslation( 0, userHeight, 0 ); - - } - - } - - - var pose = frameData.pose; - var poseObject = poseTarget !== null ? poseTarget : camera; - - // We want to manipulate poseObject by its position and quaternion components since users may rely on them. - poseObject.matrix.copy( standingMatrix ); - poseObject.matrix.decompose( poseObject.position, poseObject.quaternion, poseObject.scale ); - - if ( pose.orientation !== null ) { - - tempQuaternion.fromArray( pose.orientation ); - poseObject.quaternion.multiply( tempQuaternion ); - - } - - if ( pose.position !== null ) { - - tempQuaternion.setFromRotationMatrix( standingMatrix ); - tempPosition.fromArray( pose.position ); - tempPosition.applyQuaternion( tempQuaternion ); - poseObject.position.add( tempPosition ); - - } - - poseObject.updateMatrixWorld(); - - // - - cameraL.near = camera.near; - cameraR.near = camera.near; - - cameraL.far = camera.far; - cameraR.far = camera.far; - - cameraL.matrixWorldInverse.fromArray( frameData.leftViewMatrix ); - cameraR.matrixWorldInverse.fromArray( frameData.rightViewMatrix ); - - // TODO (mrdoob) Double check this code - - standingMatrixInverse.getInverse( standingMatrix ); - - if ( referenceSpaceType === 'local-floor' ) { - - cameraL.matrixWorldInverse.multiply( standingMatrixInverse ); - cameraR.matrixWorldInverse.multiply( standingMatrixInverse ); - - } - - var parent = poseObject.parent; - - if ( parent !== null ) { - - matrixWorldInverse.getInverse( parent.matrixWorld ); - - cameraL.matrixWorldInverse.multiply( matrixWorldInverse ); - cameraR.matrixWorldInverse.multiply( matrixWorldInverse ); - - } - - // envMap and Mirror needs camera.matrixWorld - - cameraL.matrixWorld.getInverse( cameraL.matrixWorldInverse ); - cameraR.matrixWorld.getInverse( cameraR.matrixWorldInverse ); - - cameraL.projectionMatrix.fromArray( frameData.leftProjectionMatrix ); - cameraR.projectionMatrix.fromArray( frameData.rightProjectionMatrix ); - - setProjectionFromUnion( cameraVR, cameraL, cameraR ); - - // - - var layers = device.getLayers(); - - if ( layers.length ) { - - var layer = layers[ 0 ]; - - updateViewportFromBounds( cameraL.viewport, layer.leftBounds ); - updateViewportFromBounds( cameraR.viewport, layer.rightBounds ); - - } - - updateControllers(); - - return cameraVR; - - }; - - this.getStandingMatrix = function () { - - return standingMatrix; - - }; - - this.isPresenting = isPresenting; - - // Animation Loop - - var animation = new WebGLAnimation(); - - this.setAnimationLoop = function ( callback ) { - - animation.setAnimationLoop( callback ); - - if ( isPresenting() ) animation.start(); - - }; - - this.submitFrame = function () { - - if ( isPresenting() ) device.submitFrame(); - - }; - - this.dispose = function () { - - if ( typeof window !== 'undefined' ) { - - window.removeEventListener( 'vrdisplaypresentchange', onVRDisplayPresentChange ); - - } - - }; - - // DEPRECATED - - this.setFrameOfReferenceType = function () { - - console.warn( 'THREE.WebVRManager: setFrameOfReferenceType() has been deprecated.' ); - - }; - - } - - Object.assign( WebVRManager.prototype, EventDispatcher.prototype ); - - /** - * @author mrdoob / http://mrdoob.com/ - */ - - function WebXRManager( renderer, gl ) { - - var scope = this; - - var session = null; - - var referenceSpace = null; - var referenceSpaceType = 'local-floor'; - - var pose = null; - - var controllers = []; - var inputSources = []; - - function isPresenting() { - - return session !== null && referenceSpace !== null; - - } - - // - - var cameraL = new PerspectiveCamera(); - cameraL.layers.enable( 1 ); - cameraL.viewport = new Vector4(); - - var cameraR = new PerspectiveCamera(); - cameraR.layers.enable( 2 ); - cameraR.viewport = new Vector4(); - - var cameraVR = new ArrayCamera( [ cameraL, cameraR ] ); - cameraVR.layers.enable( 1 ); - cameraVR.layers.enable( 2 ); - - // - - this.enabled = false; - - this.getController = function ( id ) { - - var controller = controllers[ id ]; - - if ( controller === undefined ) { - - controller = new Group(); - controller.matrixAutoUpdate = false; - controller.visible = false; - - controllers[ id ] = controller; - - } - - return controller; - - }; - - // - - function onSessionEvent( event ) { - - for ( var i = 0; i < controllers.length; i ++ ) { - - if ( inputSources[ i ] === event.inputSource ) { - - controllers[ i ].dispatchEvent( { type: event.type } ); - - } - - } - - } - - function onSessionEnd() { - - renderer.setFramebuffer( null ); - renderer.setRenderTarget( renderer.getRenderTarget() ); // Hack #15830 - animation.stop(); - - scope.dispatchEvent( { type: 'sessionend' } ); - - } - - function onRequestReferenceSpace( value ) { - - referenceSpace = value; - - animation.setContext( session ); - animation.start(); - - scope.dispatchEvent( { type: 'sessionstart' } ); - - } - - this.setFramebufferScaleFactor = function ( value ) { - - }; - - this.setReferenceSpaceType = function ( value ) { - - referenceSpaceType = value; - - }; - - this.getSession = function () { - - return session; - - }; - - this.setSession = function ( value ) { - - session = value; - - if ( session !== null ) { - - session.addEventListener( 'select', onSessionEvent ); - session.addEventListener( 'selectstart', onSessionEvent ); - session.addEventListener( 'selectend', onSessionEvent ); - session.addEventListener( 'end', onSessionEnd ); - - session.updateRenderState( { baseLayer: new XRWebGLLayer( session, gl ) } ); - - session.requestReferenceSpace( referenceSpaceType ).then( onRequestReferenceSpace ); - - // - - inputSources = session.inputSources; - - session.addEventListener( 'inputsourceschange', function () { - - inputSources = session.inputSources; - console.log( inputSources ); - - for ( var i = 0; i < controllers.length; i ++ ) { - - var controller = controllers[ i ]; - controller.userData.inputSource = inputSources[ i ]; - - } - - } ); - - } - - }; - - function updateCamera( camera, parent ) { - - if ( parent === null ) { - - camera.matrixWorld.copy( camera.matrix ); - - } else { - - camera.matrixWorld.multiplyMatrices( parent.matrixWorld, camera.matrix ); - - } - - camera.matrixWorldInverse.getInverse( camera.matrixWorld ); - - } - - this.getCamera = function ( camera ) { - - if ( isPresenting() ) { - - var parent = camera.parent; - var cameras = cameraVR.cameras; - - updateCamera( cameraVR, parent ); - - for ( var i = 0; i < cameras.length; i ++ ) { - - updateCamera( cameras[ i ], parent ); - - } - - // update camera and its children - - camera.matrixWorld.copy( cameraVR.matrixWorld ); - - var children = camera.children; - - for ( var i = 0, l = children.length; i < l; i ++ ) { - - children[ i ].updateMatrixWorld( true ); - - } - - setProjectionFromUnion( cameraVR, cameraL, cameraR ); - - return cameraVR; - - } - - return camera; - - }; - - this.isPresenting = isPresenting; - - // Animation Loop - - var onAnimationFrameCallback = null; - - function onAnimationFrame( time, frame ) { - - pose = frame.getViewerPose( referenceSpace ); - - if ( pose !== null ) { - - var views = pose.views; - var baseLayer = session.renderState.baseLayer; - - renderer.setFramebuffer( baseLayer.framebuffer ); - - for ( var i = 0; i < views.length; i ++ ) { - - var view = views[ i ]; - var viewport = baseLayer.getViewport( view ); - var viewMatrix = view.transform.inverse.matrix; - - var camera = cameraVR.cameras[ i ]; - camera.matrix.fromArray( viewMatrix ).getInverse( camera.matrix ); - camera.projectionMatrix.fromArray( view.projectionMatrix ); - camera.viewport.set( viewport.x, viewport.y, viewport.width, viewport.height ); - - if ( i === 0 ) { - - cameraVR.matrix.copy( camera.matrix ); - - } - - } - - } - - // - - for ( var i = 0; i < controllers.length; i ++ ) { - - var controller = controllers[ i ]; - - var inputSource = inputSources[ i ]; - - if ( inputSource ) { - - var inputPose = frame.getPose( inputSource.targetRaySpace, referenceSpace ); - - if ( inputPose !== null ) { - - controller.matrix.fromArray( inputPose.transform.matrix ); - controller.matrix.decompose( controller.position, controller.rotation, controller.scale ); - controller.visible = true; - - continue; - - } - - } - - controller.visible = false; - - } - - if ( onAnimationFrameCallback ) onAnimationFrameCallback( time ); - - } - - var animation = new WebGLAnimation(); - animation.setAnimationLoop( onAnimationFrame ); - - this.setAnimationLoop = function ( callback ) { - - onAnimationFrameCallback = callback; - - }; - - this.dispose = function () {}; - - // DEPRECATED - - this.getStandingMatrix = function () { - - console.warn( 'THREE.WebXRManager: getStandingMatrix() is no longer needed.' ); - return new Matrix4(); - - }; - - this.getDevice = function () { - - console.warn( 'THREE.WebXRManager: getDevice() has been deprecated.' ); - - }; - - this.setDevice = function () { - - console.warn( 'THREE.WebXRManager: setDevice() has been deprecated.' ); - - }; - - this.setFrameOfReferenceType = function () { - - console.warn( 'THREE.WebXRManager: setFrameOfReferenceType() has been deprecated.' ); - - }; - - this.submitFrame = function () {}; - - } - - Object.assign( WebXRManager.prototype, EventDispatcher.prototype ); - - /** - * @author supereggbert / http://www.paulbrunt.co.uk/ - * @author mrdoob / http://mrdoob.com/ - * @author alteredq / http://alteredqualia.com/ - * @author szimek / https://github.com/szimek/ - * @author tschw - */ - - function WebGLRenderer( parameters ) { - - parameters = parameters || {}; - - var _canvas = parameters.canvas !== undefined ? parameters.canvas : document.createElementNS( 'http://www.w3.org/1999/xhtml', 'canvas' ), - _context = parameters.context !== undefined ? parameters.context : null, - - _alpha = parameters.alpha !== undefined ? parameters.alpha : false, - _depth = parameters.depth !== undefined ? parameters.depth : true, - _stencil = parameters.stencil !== undefined ? parameters.stencil : true, - _antialias = parameters.antialias !== undefined ? parameters.antialias : false, - _premultipliedAlpha = parameters.premultipliedAlpha !== undefined ? parameters.premultipliedAlpha : true, - _preserveDrawingBuffer = parameters.preserveDrawingBuffer !== undefined ? parameters.preserveDrawingBuffer : false, - _powerPreference = parameters.powerPreference !== undefined ? parameters.powerPreference : 'default', - _failIfMajorPerformanceCaveat = parameters.failIfMajorPerformanceCaveat !== undefined ? parameters.failIfMajorPerformanceCaveat : false; - - var currentRenderList = null; - var currentRenderState = null; - - // public properties - - this.domElement = _canvas; - - // Debug configuration container - this.debug = { - - /** - * Enables error checking and reporting when shader programs are being compiled - * @type {boolean} - */ - checkShaderErrors: true - }; - - // clearing - - this.autoClear = true; - this.autoClearColor = true; - this.autoClearDepth = true; - this.autoClearStencil = true; - - // scene graph - - this.sortObjects = true; - - // user-defined clipping - - this.clippingPlanes = []; - this.localClippingEnabled = false; - - // physically based shading - - this.gammaFactor = 2.0; // for backwards compatibility - this.gammaInput = false; - this.gammaOutput = false; - - // physical lights - - this.physicallyCorrectLights = false; - - // tone mapping - - this.toneMapping = LinearToneMapping; - this.toneMappingExposure = 1.0; - this.toneMappingWhitePoint = 1.0; - - // morphs - - this.maxMorphTargets = 8; - this.maxMorphNormals = 4; - - // internal properties - - var _this = this, - - _isContextLost = false, - - // internal state cache - - _framebuffer = null, - - _currentActiveCubeFace = 0, - _currentActiveMipmapLevel = 0, - _currentRenderTarget = null, - _currentFramebuffer = null, - _currentMaterialId = - 1, - - // geometry and program caching - - _currentGeometryProgram = { - geometry: null, - program: null, - wireframe: false - }, - - _currentCamera = null, - _currentArrayCamera = null, - - _currentViewport = new Vector4(), - _currentScissor = new Vector4(), - _currentScissorTest = null, - - // - - _width = _canvas.width, - _height = _canvas.height, - - _pixelRatio = 1, - - _viewport = new Vector4( 0, 0, _width, _height ), - _scissor = new Vector4( 0, 0, _width, _height ), - _scissorTest = false, - - // frustum - - _frustum = new Frustum(), - - // clipping - - _clipping = new WebGLClipping(), - _clippingEnabled = false, - _localClippingEnabled = false, - - // camera matrices cache - - _projScreenMatrix = new Matrix4(), - - _vector3 = new Vector3(); - - function getTargetPixelRatio() { - - return _currentRenderTarget === null ? _pixelRatio : 1; - - } - - // initialize - - var _gl; - - try { - - var contextAttributes = { - alpha: _alpha, - depth: _depth, - stencil: _stencil, - antialias: _antialias, - premultipliedAlpha: _premultipliedAlpha, - preserveDrawingBuffer: _preserveDrawingBuffer, - powerPreference: _powerPreference, - failIfMajorPerformanceCaveat: _failIfMajorPerformanceCaveat, - xrCompatible: true - }; - - // event listeners must be registered before WebGL context is created, see #12753 - - _canvas.addEventListener( 'webglcontextlost', onContextLost, false ); - _canvas.addEventListener( 'webglcontextrestored', onContextRestore, false ); - - _gl = _context || _canvas.getContext( 'webgl', contextAttributes ) || _canvas.getContext( 'experimental-webgl', contextAttributes ); - - if ( _gl === null ) { - - if ( _canvas.getContext( 'webgl' ) !== null ) { - - throw new Error( 'Error creating WebGL context with your selected attributes.' ); - - } else { - - throw new Error( 'Error creating WebGL context.' ); - - } - - } - - // Some experimental-webgl implementations do not have getShaderPrecisionFormat - - if ( _gl.getShaderPrecisionFormat === undefined ) { - - _gl.getShaderPrecisionFormat = function () { - - return { 'rangeMin': 1, 'rangeMax': 1, 'precision': 1 }; - - }; - - } - - } catch ( error ) { - - console.error( 'THREE.WebGLRenderer: ' + error.message ); - throw error; - - } - - var extensions, capabilities, state, info; - var properties, textures, attributes, geometries, objects; - var programCache, renderLists, renderStates; - - var background, morphtargets, bufferRenderer, indexedBufferRenderer; - - var utils; - - function initGLContext() { - - extensions = new WebGLExtensions( _gl ); - - capabilities = new WebGLCapabilities( _gl, extensions, parameters ); - - if ( ! capabilities.isWebGL2 ) { - - extensions.get( 'WEBGL_depth_texture' ); - extensions.get( 'OES_texture_float' ); - extensions.get( 'OES_texture_half_float' ); - extensions.get( 'OES_texture_half_float_linear' ); - extensions.get( 'OES_standard_derivatives' ); - extensions.get( 'OES_element_index_uint' ); - extensions.get( 'ANGLE_instanced_arrays' ); - - } - - extensions.get( 'OES_texture_float_linear' ); - - utils = new WebGLUtils( _gl, extensions, capabilities ); - - state = new WebGLState( _gl, extensions, utils, capabilities ); - state.scissor( _currentScissor.copy( _scissor ).multiplyScalar( _pixelRatio ).floor() ); - state.viewport( _currentViewport.copy( _viewport ).multiplyScalar( _pixelRatio ).floor() ); - - info = new WebGLInfo( _gl ); - properties = new WebGLProperties(); - textures = new WebGLTextures( _gl, extensions, state, properties, capabilities, utils, info ); - attributes = new WebGLAttributes( _gl ); - geometries = new WebGLGeometries( _gl, attributes, info ); - objects = new WebGLObjects( geometries, info ); - morphtargets = new WebGLMorphtargets( _gl ); - programCache = new WebGLPrograms( _this, extensions, capabilities ); - renderLists = new WebGLRenderLists(); - renderStates = new WebGLRenderStates(); - - background = new WebGLBackground( _this, state, objects, _premultipliedAlpha ); - - bufferRenderer = new WebGLBufferRenderer( _gl, extensions, info, capabilities ); - indexedBufferRenderer = new WebGLIndexedBufferRenderer( _gl, extensions, info, capabilities ); - - info.programs = programCache.programs; - - _this.capabilities = capabilities; - _this.extensions = extensions; - _this.properties = properties; - _this.renderLists = renderLists; - _this.state = state; - _this.info = info; - - } - - initGLContext(); - - // vr - - var vr = ( typeof navigator !== 'undefined' && 'xr' in navigator && 'supportsSession' in navigator.xr ) ? new WebXRManager( _this, _gl ) : new WebVRManager( _this ); - - this.vr = vr; - - // shadow map - - var shadowMap = new WebGLShadowMap( _this, objects, capabilities.maxTextureSize ); - - this.shadowMap = shadowMap; - - // API - - this.getContext = function () { - - return _gl; - - }; - - this.getContextAttributes = function () { - - return _gl.getContextAttributes(); - - }; - - this.forceContextLoss = function () { - - var extension = extensions.get( 'WEBGL_lose_context' ); - if ( extension ) extension.loseContext(); - - }; - - this.forceContextRestore = function () { - - var extension = extensions.get( 'WEBGL_lose_context' ); - if ( extension ) extension.restoreContext(); - - }; - - this.getPixelRatio = function () { - - return _pixelRatio; - - }; - - this.setPixelRatio = function ( value ) { - - if ( value === undefined ) return; - - _pixelRatio = value; - - this.setSize( _width, _height, false ); - - }; - - this.getSize = function ( target ) { - - if ( target === undefined ) { - - console.warn( 'WebGLRenderer: .getsize() now requires a Vector2 as an argument' ); - - target = new Vector2(); - - } - - return target.set( _width, _height ); - - }; - - this.setSize = function ( width, height, updateStyle ) { - - if ( vr.isPresenting() ) { - - console.warn( 'THREE.WebGLRenderer: Can\'t change size while VR device is presenting.' ); - return; - - } - - _width = width; - _height = height; - - _canvas.width = Math.floor( width * _pixelRatio ); - _canvas.height = Math.floor( height * _pixelRatio ); - - if ( updateStyle !== false ) { - - _canvas.style.width = width + 'px'; - _canvas.style.height = height + 'px'; - - } - - this.setViewport( 0, 0, width, height ); - - }; - - this.getDrawingBufferSize = function ( target ) { - - if ( target === undefined ) { - - console.warn( 'WebGLRenderer: .getdrawingBufferSize() now requires a Vector2 as an argument' ); - - target = new Vector2(); - - } - - return target.set( _width * _pixelRatio, _height * _pixelRatio ).floor(); - - }; - - this.setDrawingBufferSize = function ( width, height, pixelRatio ) { - - _width = width; - _height = height; - - _pixelRatio = pixelRatio; - - _canvas.width = Math.floor( width * pixelRatio ); - _canvas.height = Math.floor( height * pixelRatio ); - - this.setViewport( 0, 0, width, height ); - - }; - - this.getCurrentViewport = function ( target ) { - - if ( target === undefined ) { - - console.warn( 'WebGLRenderer: .getCurrentViewport() now requires a Vector4 as an argument' ); - - target = new Vector4(); - - } - - return target.copy( _currentViewport ); - - }; - - this.getViewport = function ( target ) { - - return target.copy( _viewport ); - - }; - - this.setViewport = function ( x, y, width, height ) { - - if ( x.isVector4 ) { - - _viewport.set( x.x, x.y, x.z, x.w ); - - } else { - - _viewport.set( x, y, width, height ); - - } - - state.viewport( _currentViewport.copy( _viewport ).multiplyScalar( _pixelRatio ).floor() ); - - }; - - this.getScissor = function ( target ) { - - return target.copy( _scissor ); - - }; - - this.setScissor = function ( x, y, width, height ) { - - if ( x.isVector4 ) { - - _scissor.set( x.x, x.y, x.z, x.w ); - - } else { - - _scissor.set( x, y, width, height ); - - } - - state.scissor( _currentScissor.copy( _scissor ).multiplyScalar( _pixelRatio ).floor() ); - - }; - - this.getScissorTest = function () { - - return _scissorTest; - - }; - - this.setScissorTest = function ( boolean ) { - - state.setScissorTest( _scissorTest = boolean ); - - }; - - // Clearing - - this.getClearColor = function () { - - return background.getClearColor(); - - }; - - this.setClearColor = function () { - - background.setClearColor.apply( background, arguments ); - - }; - - this.getClearAlpha = function () { - - return background.getClearAlpha(); - - }; - - this.setClearAlpha = function () { - - background.setClearAlpha.apply( background, arguments ); - - }; - - this.clear = function ( color, depth, stencil ) { - - var bits = 0; - - if ( color === undefined || color ) bits |= 16384; - if ( depth === undefined || depth ) bits |= 256; - if ( stencil === undefined || stencil ) bits |= 1024; - - _gl.clear( bits ); - - }; - - this.clearColor = function () { - - this.clear( true, false, false ); - - }; - - this.clearDepth = function () { - - this.clear( false, true, false ); - - }; - - this.clearStencil = function () { - - this.clear( false, false, true ); - - }; - - // - - this.dispose = function () { - - _canvas.removeEventListener( 'webglcontextlost', onContextLost, false ); - _canvas.removeEventListener( 'webglcontextrestored', onContextRestore, false ); - - renderLists.dispose(); - renderStates.dispose(); - properties.dispose(); - objects.dispose(); - - vr.dispose(); - - animation.stop(); - - }; - - // Events - - function onContextLost( event ) { - - event.preventDefault(); - - console.log( 'THREE.WebGLRenderer: Context Lost.' ); - - _isContextLost = true; - - } - - function onContextRestore( /* event */ ) { - - console.log( 'THREE.WebGLRenderer: Context Restored.' ); - - _isContextLost = false; - - initGLContext(); - - } - - function onMaterialDispose( event ) { - - var material = event.target; - - material.removeEventListener( 'dispose', onMaterialDispose ); - - deallocateMaterial( material ); - - } - - // Buffer deallocation - - function deallocateMaterial( material ) { - - releaseMaterialProgramReference( material ); - - properties.remove( material ); - - } - - - function releaseMaterialProgramReference( material ) { - - var programInfo = properties.get( material ).program; - - material.program = undefined; - - if ( programInfo !== undefined ) { - - programCache.releaseProgram( programInfo ); - - } - - } - - // Buffer rendering - - function renderObjectImmediate( object, program ) { - - object.render( function ( object ) { - - _this.renderBufferImmediate( object, program ); - - } ); - - } - - this.renderBufferImmediate = function ( object, program ) { - - state.initAttributes(); - - var buffers = properties.get( object ); - - if ( object.hasPositions && ! buffers.position ) buffers.position = _gl.createBuffer(); - if ( object.hasNormals && ! buffers.normal ) buffers.normal = _gl.createBuffer(); - if ( object.hasUvs && ! buffers.uv ) buffers.uv = _gl.createBuffer(); - if ( object.hasColors && ! buffers.color ) buffers.color = _gl.createBuffer(); - - var programAttributes = program.getAttributes(); - - if ( object.hasPositions ) { - - _gl.bindBuffer( 34962, buffers.position ); - _gl.bufferData( 34962, object.positionArray, 35048 ); - - state.enableAttribute( programAttributes.position ); - _gl.vertexAttribPointer( programAttributes.position, 3, 5126, false, 0, 0 ); - - } - - if ( object.hasNormals ) { - - _gl.bindBuffer( 34962, buffers.normal ); - _gl.bufferData( 34962, object.normalArray, 35048 ); - - state.enableAttribute( programAttributes.normal ); - _gl.vertexAttribPointer( programAttributes.normal, 3, 5126, false, 0, 0 ); - - } - - if ( object.hasUvs ) { - - _gl.bindBuffer( 34962, buffers.uv ); - _gl.bufferData( 34962, object.uvArray, 35048 ); - - state.enableAttribute( programAttributes.uv ); - _gl.vertexAttribPointer( programAttributes.uv, 2, 5126, false, 0, 0 ); - - } - - if ( object.hasColors ) { - - _gl.bindBuffer( 34962, buffers.color ); - _gl.bufferData( 34962, object.colorArray, 35048 ); - - state.enableAttribute( programAttributes.color ); - _gl.vertexAttribPointer( programAttributes.color, 3, 5126, false, 0, 0 ); - - } - - state.disableUnusedAttributes(); - - _gl.drawArrays( 4, 0, object.count ); - - object.count = 0; - - }; - - this.renderBufferDirect = function ( camera, fog, geometry, material, object, group ) { - - var frontFaceCW = ( object.isMesh && object.matrixWorld.determinant() < 0 ); - - state.setMaterial( material, frontFaceCW ); - - var program = setProgram( camera, fog, material, object ); - - var updateBuffers = false; - - if ( _currentGeometryProgram.geometry !== geometry.id || - _currentGeometryProgram.program !== program.id || - _currentGeometryProgram.wireframe !== ( material.wireframe === true ) ) { - - _currentGeometryProgram.geometry = geometry.id; - _currentGeometryProgram.program = program.id; - _currentGeometryProgram.wireframe = material.wireframe === true; - updateBuffers = true; - - } - - if ( object.morphTargetInfluences ) { - - morphtargets.update( object, geometry, material, program ); - - updateBuffers = true; - - } - - // - - var index = geometry.index; - var position = geometry.attributes.position; - var rangeFactor = 1; - - if ( material.wireframe === true ) { - - index = geometries.getWireframeAttribute( geometry ); - rangeFactor = 2; - - } - - var attribute; - var renderer = bufferRenderer; - - if ( index !== null ) { - - attribute = attributes.get( index ); - - renderer = indexedBufferRenderer; - renderer.setIndex( attribute ); - - } - - if ( updateBuffers ) { - - setupVertexAttributes( material, program, geometry ); - - if ( index !== null ) { - - _gl.bindBuffer( 34963, attribute.buffer ); - - } - - } - - // - - var dataCount = Infinity; - - if ( index !== null ) { - - dataCount = index.count; - - } else if ( position !== undefined ) { - - dataCount = position.count; - - } - - var rangeStart = geometry.drawRange.start * rangeFactor; - var rangeCount = geometry.drawRange.count * rangeFactor; - - var groupStart = group !== null ? group.start * rangeFactor : 0; - var groupCount = group !== null ? group.count * rangeFactor : Infinity; - - var drawStart = Math.max( rangeStart, groupStart ); - var drawEnd = Math.min( dataCount, rangeStart + rangeCount, groupStart + groupCount ) - 1; - - var drawCount = Math.max( 0, drawEnd - drawStart + 1 ); - - if ( drawCount === 0 ) return; - - // - - if ( object.isMesh ) { - - if ( material.wireframe === true ) { - - state.setLineWidth( material.wireframeLinewidth * getTargetPixelRatio() ); - renderer.setMode( 1 ); - - } else { - - switch ( object.drawMode ) { - - case TrianglesDrawMode: - renderer.setMode( 4 ); - break; - - case TriangleStripDrawMode: - renderer.setMode( 5 ); - break; - - case TriangleFanDrawMode: - renderer.setMode( 6 ); - break; - - } - - } - - - } else if ( object.isLine ) { - - var lineWidth = material.linewidth; - - if ( lineWidth === undefined ) lineWidth = 1; // Not using Line*Material - - state.setLineWidth( lineWidth * getTargetPixelRatio() ); - - if ( object.isLineSegments ) { - - renderer.setMode( 1 ); - - } else if ( object.isLineLoop ) { - - renderer.setMode( 2 ); - - } else { - - renderer.setMode( 3 ); - - } - - } else if ( object.isPoints ) { - - renderer.setMode( 0 ); - - } else if ( object.isSprite ) { - - renderer.setMode( 4 ); - - } - - if ( geometry && geometry.isInstancedBufferGeometry ) { - - if ( geometry.maxInstancedCount > 0 ) { - - renderer.renderInstances( geometry, drawStart, drawCount ); - - } - - } else { - - renderer.render( drawStart, drawCount ); - - } - - }; - - function setupVertexAttributes( material, program, geometry ) { - - if ( geometry && geometry.isInstancedBufferGeometry && ! capabilities.isWebGL2 ) { - - if ( extensions.get( 'ANGLE_instanced_arrays' ) === null ) { - - console.error( 'THREE.WebGLRenderer.setupVertexAttributes: using THREE.InstancedBufferGeometry but hardware does not support extension ANGLE_instanced_arrays.' ); - return; - - } - - } - - state.initAttributes(); - - var geometryAttributes = geometry.attributes; - - var programAttributes = program.getAttributes(); - - var materialDefaultAttributeValues = material.defaultAttributeValues; - - for ( var name in programAttributes ) { - - var programAttribute = programAttributes[ name ]; - - if ( programAttribute >= 0 ) { - - var geometryAttribute = geometryAttributes[ name ]; - - if ( geometryAttribute !== undefined ) { - - var normalized = geometryAttribute.normalized; - var size = geometryAttribute.itemSize; - - var attribute = attributes.get( geometryAttribute ); - - // TODO Attribute may not be available on context restore - - if ( attribute === undefined ) continue; - - var buffer = attribute.buffer; - var type = attribute.type; - var bytesPerElement = attribute.bytesPerElement; - - if ( geometryAttribute.isInterleavedBufferAttribute ) { - - var data = geometryAttribute.data; - var stride = data.stride; - var offset = geometryAttribute.offset; - - if ( data && data.isInstancedInterleavedBuffer ) { - - state.enableAttributeAndDivisor( programAttribute, data.meshPerAttribute ); - - if ( geometry.maxInstancedCount === undefined ) { - - geometry.maxInstancedCount = data.meshPerAttribute * data.count; - - } - - } else { - - state.enableAttribute( programAttribute ); - - } - - _gl.bindBuffer( 34962, buffer ); - _gl.vertexAttribPointer( programAttribute, size, type, normalized, stride * bytesPerElement, offset * bytesPerElement ); - - } else { - - if ( geometryAttribute.isInstancedBufferAttribute ) { - - state.enableAttributeAndDivisor( programAttribute, geometryAttribute.meshPerAttribute ); - - if ( geometry.maxInstancedCount === undefined ) { - - geometry.maxInstancedCount = geometryAttribute.meshPerAttribute * geometryAttribute.count; - - } - - } else { - - state.enableAttribute( programAttribute ); - - } - - _gl.bindBuffer( 34962, buffer ); - _gl.vertexAttribPointer( programAttribute, size, type, normalized, 0, 0 ); - - } - - } else if ( materialDefaultAttributeValues !== undefined ) { - - var value = materialDefaultAttributeValues[ name ]; - - if ( value !== undefined ) { - - switch ( value.length ) { - - case 2: - _gl.vertexAttrib2fv( programAttribute, value ); - break; - - case 3: - _gl.vertexAttrib3fv( programAttribute, value ); - break; - - case 4: - _gl.vertexAttrib4fv( programAttribute, value ); - break; - - default: - _gl.vertexAttrib1fv( programAttribute, value ); - - } - - } - - } - - } - - } - - state.disableUnusedAttributes(); - - } - - // Compile - - this.compile = function ( scene, camera ) { - - currentRenderState = renderStates.get( scene, camera ); - currentRenderState.init(); - - scene.traverse( function ( object ) { - - if ( object.isLight ) { - - currentRenderState.pushLight( object ); - - if ( object.castShadow ) { - - currentRenderState.pushShadow( object ); - - } - - } - - } ); - - currentRenderState.setupLights( camera ); - - scene.traverse( function ( object ) { - - if ( object.material ) { - - if ( Array.isArray( object.material ) ) { - - for ( var i = 0; i < object.material.length; i ++ ) { - - initMaterial( object.material[ i ], scene.fog, object ); - - } - - } else { - - initMaterial( object.material, scene.fog, object ); - - } - - } - - } ); - - }; - - // Animation Loop - - var onAnimationFrameCallback = null; - - function onAnimationFrame( time ) { - - if ( vr.isPresenting() ) return; - if ( onAnimationFrameCallback ) onAnimationFrameCallback( time ); - - } - - var animation = new WebGLAnimation(); - animation.setAnimationLoop( onAnimationFrame ); - - if ( typeof window !== 'undefined' ) animation.setContext( window ); - - this.setAnimationLoop = function ( callback ) { - - onAnimationFrameCallback = callback; - vr.setAnimationLoop( callback ); - - animation.start(); - - }; - - // Rendering - - this.render = function ( scene, camera ) { - - var renderTarget, forceClear; - - if ( arguments[ 2 ] !== undefined ) { - - console.warn( 'THREE.WebGLRenderer.render(): the renderTarget argument has been removed. Use .setRenderTarget() instead.' ); - renderTarget = arguments[ 2 ]; - - } - - if ( arguments[ 3 ] !== undefined ) { - - console.warn( 'THREE.WebGLRenderer.render(): the forceClear argument has been removed. Use .clear() instead.' ); - forceClear = arguments[ 3 ]; - - } - - if ( ! ( camera && camera.isCamera ) ) { - - console.error( 'THREE.WebGLRenderer.render: camera is not an instance of THREE.Camera.' ); - return; - - } - - if ( _isContextLost ) return; - - // reset caching for this frame - - _currentGeometryProgram.geometry = null; - _currentGeometryProgram.program = null; - _currentGeometryProgram.wireframe = false; - _currentMaterialId = - 1; - _currentCamera = null; - - // update scene graph - - if ( scene.autoUpdate === true ) scene.updateMatrixWorld(); - - // update camera matrices and frustum - - if ( camera.parent === null ) camera.updateMatrixWorld(); - - if ( vr.enabled ) { - - camera = vr.getCamera( camera ); - - } - - // - - currentRenderState = renderStates.get( scene, camera ); - currentRenderState.init(); - - scene.onBeforeRender( _this, scene, camera, renderTarget || _currentRenderTarget ); - - _projScreenMatrix.multiplyMatrices( camera.projectionMatrix, camera.matrixWorldInverse ); - _frustum.setFromMatrix( _projScreenMatrix ); - - _localClippingEnabled = this.localClippingEnabled; - _clippingEnabled = _clipping.init( this.clippingPlanes, _localClippingEnabled, camera ); - - currentRenderList = renderLists.get( scene, camera ); - currentRenderList.init(); - - projectObject( scene, camera, 0, _this.sortObjects ); - - if ( _this.sortObjects === true ) { - - currentRenderList.sort(); - - } - - // - - if ( _clippingEnabled ) _clipping.beginShadows(); - - var shadowsArray = currentRenderState.state.shadowsArray; - - shadowMap.render( shadowsArray, scene, camera ); - - currentRenderState.setupLights( camera ); - - if ( _clippingEnabled ) _clipping.endShadows(); - - // - - if ( this.info.autoReset ) this.info.reset(); - - if ( renderTarget !== undefined ) { - - this.setRenderTarget( renderTarget ); - - } - - // - - background.render( currentRenderList, scene, camera, forceClear ); - - // render scene - - var opaqueObjects = currentRenderList.opaque; - var transparentObjects = currentRenderList.transparent; - - if ( scene.overrideMaterial ) { - - var overrideMaterial = scene.overrideMaterial; - - if ( opaqueObjects.length ) renderObjects( opaqueObjects, scene, camera, overrideMaterial ); - if ( transparentObjects.length ) renderObjects( transparentObjects, scene, camera, overrideMaterial ); - - } else { - - // opaque pass (front-to-back order) - - if ( opaqueObjects.length ) renderObjects( opaqueObjects, scene, camera ); - - // transparent pass (back-to-front order) - - if ( transparentObjects.length ) renderObjects( transparentObjects, scene, camera ); - - } - - // - - scene.onAfterRender( _this, scene, camera ); - - // - - if ( _currentRenderTarget !== null ) { - - // Generate mipmap if we're using any kind of mipmap filtering - - textures.updateRenderTargetMipmap( _currentRenderTarget ); - - // resolve multisample renderbuffers to a single-sample texture if necessary - - textures.updateMultisampleRenderTarget( _currentRenderTarget ); - - } - - // Ensure depth buffer writing is enabled so it can be cleared on next render - - state.buffers.depth.setTest( true ); - state.buffers.depth.setMask( true ); - state.buffers.color.setMask( true ); - - state.setPolygonOffset( false ); - - if ( vr.enabled ) { - - vr.submitFrame(); - - } - - // _gl.finish(); - - currentRenderList = null; - currentRenderState = null; - - }; - - function projectObject( object, camera, groupOrder, sortObjects ) { - - if ( object.visible === false ) return; - - var visible = object.layers.test( camera.layers ); - - if ( visible ) { - - if ( object.isGroup ) { - - groupOrder = object.renderOrder; - - } else if ( object.isLOD ) { - - if ( object.autoUpdate === true ) object.update( camera ); - - } else if ( object.isLight ) { - - currentRenderState.pushLight( object ); - - if ( object.castShadow ) { - - currentRenderState.pushShadow( object ); - - } - - } else if ( object.isSprite ) { - - if ( ! object.frustumCulled || _frustum.intersectsSprite( object ) ) { - - if ( sortObjects ) { - - _vector3.setFromMatrixPosition( object.matrixWorld ) - .applyMatrix4( _projScreenMatrix ); - - } - - var geometry = objects.update( object ); - var material = object.material; - - if ( material.visible ) { - - currentRenderList.push( object, geometry, material, groupOrder, _vector3.z, null ); - - } - - } - - } else if ( object.isImmediateRenderObject ) { - - if ( sortObjects ) { - - _vector3.setFromMatrixPosition( object.matrixWorld ) - .applyMatrix4( _projScreenMatrix ); - - } - - currentRenderList.push( object, null, object.material, groupOrder, _vector3.z, null ); - - } else if ( object.isMesh || object.isLine || object.isPoints ) { - - if ( object.isSkinnedMesh ) { - - object.skeleton.update(); - - } - - if ( ! object.frustumCulled || _frustum.intersectsObject( object ) ) { - - if ( sortObjects ) { - - _vector3.setFromMatrixPosition( object.matrixWorld ) - .applyMatrix4( _projScreenMatrix ); - - } - - var geometry = objects.update( object ); - var material = object.material; - - if ( Array.isArray( material ) ) { - - var groups = geometry.groups; - - for ( var i = 0, l = groups.length; i < l; i ++ ) { - - var group = groups[ i ]; - var groupMaterial = material[ group.materialIndex ]; - - if ( groupMaterial && groupMaterial.visible ) { - - currentRenderList.push( object, geometry, groupMaterial, groupOrder, _vector3.z, group ); - - } - - } - - } else if ( material.visible ) { - - currentRenderList.push( object, geometry, material, groupOrder, _vector3.z, null ); - - } - - } - - } - - } - - var children = object.children; - - for ( var i = 0, l = children.length; i < l; i ++ ) { - - projectObject( children[ i ], camera, groupOrder, sortObjects ); - - } - - } - - function renderObjects( renderList, scene, camera, overrideMaterial ) { - - for ( var i = 0, l = renderList.length; i < l; i ++ ) { - - var renderItem = renderList[ i ]; - - var object = renderItem.object; - var geometry = renderItem.geometry; - var material = overrideMaterial === undefined ? renderItem.material : overrideMaterial; - var group = renderItem.group; - - if ( camera.isArrayCamera ) { - - _currentArrayCamera = camera; - - var cameras = camera.cameras; - - for ( var j = 0, jl = cameras.length; j < jl; j ++ ) { - - var camera2 = cameras[ j ]; - - if ( object.layers.test( camera2.layers ) ) { - - state.viewport( _currentViewport.copy( camera2.viewport ) ); - - currentRenderState.setupLights( camera2 ); - - renderObject( object, scene, camera2, geometry, material, group ); - - } - - } - - } else { - - _currentArrayCamera = null; - - renderObject( object, scene, camera, geometry, material, group ); - - } - - } - - } - - function renderObject( object, scene, camera, geometry, material, group ) { - - object.onBeforeRender( _this, scene, camera, geometry, material, group ); - currentRenderState = renderStates.get( scene, _currentArrayCamera || camera ); - - object.modelViewMatrix.multiplyMatrices( camera.matrixWorldInverse, object.matrixWorld ); - object.normalMatrix.getNormalMatrix( object.modelViewMatrix ); - - if ( object.isImmediateRenderObject ) { - - state.setMaterial( material ); - - var program = setProgram( camera, scene.fog, material, object ); - - _currentGeometryProgram.geometry = null; - _currentGeometryProgram.program = null; - _currentGeometryProgram.wireframe = false; - - renderObjectImmediate( object, program ); - - } else { - - _this.renderBufferDirect( camera, scene.fog, geometry, material, object, group ); - - } - - object.onAfterRender( _this, scene, camera, geometry, material, group ); - currentRenderState = renderStates.get( scene, _currentArrayCamera || camera ); - - } - - function initMaterial( material, fog, object ) { - - var materialProperties = properties.get( material ); - - var lights = currentRenderState.state.lights; - var shadowsArray = currentRenderState.state.shadowsArray; - - var lightsStateVersion = lights.state.version; - - var parameters = programCache.getParameters( - material, lights.state, shadowsArray, fog, _clipping.numPlanes, _clipping.numIntersection, object ); - - var code = programCache.getProgramCode( material, parameters ); - - var program = materialProperties.program; - var programChange = true; - - if ( program === undefined ) { - - // new material - material.addEventListener( 'dispose', onMaterialDispose ); - - } else if ( program.code !== code ) { - - // changed glsl or parameters - releaseMaterialProgramReference( material ); - - } else if ( materialProperties.lightsStateVersion !== lightsStateVersion ) { - - materialProperties.lightsStateVersion = lightsStateVersion; - - programChange = false; - - } else if ( parameters.shaderID !== undefined ) { - - // same glsl and uniform list - return; - - } else { - - // only rebuild uniform list - programChange = false; - - } - - if ( programChange ) { - - if ( parameters.shaderID ) { - - var shader = ShaderLib[ parameters.shaderID ]; - - materialProperties.shader = { - name: material.type, - uniforms: cloneUniforms( shader.uniforms ), - vertexShader: shader.vertexShader, - fragmentShader: shader.fragmentShader - }; - - } else { - - materialProperties.shader = { - name: material.type, - uniforms: material.uniforms, - vertexShader: material.vertexShader, - fragmentShader: material.fragmentShader - }; - - } - - material.onBeforeCompile( materialProperties.shader, _this ); - - // Computing code again as onBeforeCompile may have changed the shaders - code = programCache.getProgramCode( material, parameters ); - - program = programCache.acquireProgram( material, materialProperties.shader, parameters, code ); - - materialProperties.program = program; - material.program = program; - - } - - var programAttributes = program.getAttributes(); - - if ( material.morphTargets ) { - - material.numSupportedMorphTargets = 0; - - for ( var i = 0; i < _this.maxMorphTargets; i ++ ) { - - if ( programAttributes[ 'morphTarget' + i ] >= 0 ) { - - material.numSupportedMorphTargets ++; - - } - - } - - } - - if ( material.morphNormals ) { - - material.numSupportedMorphNormals = 0; - - for ( var i = 0; i < _this.maxMorphNormals; i ++ ) { - - if ( programAttributes[ 'morphNormal' + i ] >= 0 ) { - - material.numSupportedMorphNormals ++; - - } - - } - - } - - var uniforms = materialProperties.shader.uniforms; - - if ( ! material.isShaderMaterial && - ! material.isRawShaderMaterial || - material.clipping === true ) { - - materialProperties.numClippingPlanes = _clipping.numPlanes; - materialProperties.numIntersection = _clipping.numIntersection; - uniforms.clippingPlanes = _clipping.uniform; - - } - - materialProperties.fog = fog; - - // store the light setup it was created for - - materialProperties.lightsStateVersion = lightsStateVersion; - - if ( material.lights ) { - - // wire up the material to this renderer's lighting state - - uniforms.ambientLightColor.value = lights.state.ambient; - uniforms.lightProbe.value = lights.state.probe; - uniforms.directionalLights.value = lights.state.directional; - uniforms.spotLights.value = lights.state.spot; - uniforms.rectAreaLights.value = lights.state.rectArea; - uniforms.pointLights.value = lights.state.point; - uniforms.hemisphereLights.value = lights.state.hemi; - - uniforms.directionalShadowMap.value = lights.state.directionalShadowMap; - uniforms.directionalShadowMatrix.value = lights.state.directionalShadowMatrix; - uniforms.spotShadowMap.value = lights.state.spotShadowMap; - uniforms.spotShadowMatrix.value = lights.state.spotShadowMatrix; - uniforms.pointShadowMap.value = lights.state.pointShadowMap; - uniforms.pointShadowMatrix.value = lights.state.pointShadowMatrix; - // TODO (abelnation): add area lights shadow info to uniforms - - } - - var progUniforms = materialProperties.program.getUniforms(), - uniformsList = - WebGLUniforms.seqWithValue( progUniforms.seq, uniforms ); - - materialProperties.uniformsList = uniformsList; - - } - - function setProgram( camera, fog, material, object ) { - - textures.resetTextureUnits(); - - var materialProperties = properties.get( material ); - var lights = currentRenderState.state.lights; - - if ( _clippingEnabled ) { - - if ( _localClippingEnabled || camera !== _currentCamera ) { - - var useCache = - camera === _currentCamera && - material.id === _currentMaterialId; - - // we might want to call this function with some ClippingGroup - // object instead of the material, once it becomes feasible - // (#8465, #8379) - _clipping.setState( - material.clippingPlanes, material.clipIntersection, material.clipShadows, - camera, materialProperties, useCache ); - - } - - } - - if ( material.needsUpdate === false ) { - - if ( materialProperties.program === undefined ) { - - material.needsUpdate = true; - - } else if ( material.fog && materialProperties.fog !== fog ) { - - material.needsUpdate = true; - - } else if ( material.lights && materialProperties.lightsStateVersion !== lights.state.version ) { - - material.needsUpdate = true; - - } else if ( materialProperties.numClippingPlanes !== undefined && - ( materialProperties.numClippingPlanes !== _clipping.numPlanes || - materialProperties.numIntersection !== _clipping.numIntersection ) ) { - - material.needsUpdate = true; - - } - - } - - if ( material.needsUpdate ) { - - initMaterial( material, fog, object ); - material.needsUpdate = false; - - } - - var refreshProgram = false; - var refreshMaterial = false; - var refreshLights = false; - - var program = materialProperties.program, - p_uniforms = program.getUniforms(), - m_uniforms = materialProperties.shader.uniforms; - - if ( state.useProgram( program.program ) ) { - - refreshProgram = true; - refreshMaterial = true; - refreshLights = true; - - } - - if ( material.id !== _currentMaterialId ) { - - _currentMaterialId = material.id; - - refreshMaterial = true; - - } - - if ( refreshProgram || _currentCamera !== camera ) { - - p_uniforms.setValue( _gl, 'projectionMatrix', camera.projectionMatrix ); - - if ( capabilities.logarithmicDepthBuffer ) { - - p_uniforms.setValue( _gl, 'logDepthBufFC', - 2.0 / ( Math.log( camera.far + 1.0 ) / Math.LN2 ) ); - - } - - if ( _currentCamera !== camera ) { - - _currentCamera = camera; - - // lighting uniforms depend on the camera so enforce an update - // now, in case this material supports lights - or later, when - // the next material that does gets activated: - - refreshMaterial = true; // set to true on material change - refreshLights = true; // remains set until update done - - } - - // load material specific uniforms - // (shader material also gets them for the sake of genericity) - - if ( material.isShaderMaterial || - material.isMeshPhongMaterial || - material.isMeshStandardMaterial || - material.envMap ) { - - var uCamPos = p_uniforms.map.cameraPosition; - - if ( uCamPos !== undefined ) { - - uCamPos.setValue( _gl, - _vector3.setFromMatrixPosition( camera.matrixWorld ) ); - - } - - } - - if ( material.isMeshPhongMaterial || - material.isMeshLambertMaterial || - material.isMeshBasicMaterial || - material.isMeshStandardMaterial || - material.isShaderMaterial || - material.skinning ) { - - p_uniforms.setValue( _gl, 'viewMatrix', camera.matrixWorldInverse ); - - } - - } - - // skinning uniforms must be set even if material didn't change - // auto-setting of texture unit for bone texture must go before other textures - // not sure why, but otherwise weird things happen - - if ( material.skinning ) { - - p_uniforms.setOptional( _gl, object, 'bindMatrix' ); - p_uniforms.setOptional( _gl, object, 'bindMatrixInverse' ); - - var skeleton = object.skeleton; - - if ( skeleton ) { - - var bones = skeleton.bones; - - if ( capabilities.floatVertexTextures ) { - - if ( skeleton.boneTexture === undefined ) { - - // layout (1 matrix = 4 pixels) - // RGBA RGBA RGBA RGBA (=> column1, column2, column3, column4) - // with 8x8 pixel texture max 16 bones * 4 pixels = (8 * 8) - // 16x16 pixel texture max 64 bones * 4 pixels = (16 * 16) - // 32x32 pixel texture max 256 bones * 4 pixels = (32 * 32) - // 64x64 pixel texture max 1024 bones * 4 pixels = (64 * 64) - - - var size = Math.sqrt( bones.length * 4 ); // 4 pixels needed for 1 matrix - size = _Math.ceilPowerOfTwo( size ); - size = Math.max( size, 4 ); - - var boneMatrices = new Float32Array( size * size * 4 ); // 4 floats per RGBA pixel - boneMatrices.set( skeleton.boneMatrices ); // copy current values - - var boneTexture = new DataTexture( boneMatrices, size, size, RGBAFormat, FloatType ); - boneTexture.needsUpdate = true; - - skeleton.boneMatrices = boneMatrices; - skeleton.boneTexture = boneTexture; - skeleton.boneTextureSize = size; - - } - - p_uniforms.setValue( _gl, 'boneTexture', skeleton.boneTexture, textures ); - p_uniforms.setValue( _gl, 'boneTextureSize', skeleton.boneTextureSize ); - - } else { - - p_uniforms.setOptional( _gl, skeleton, 'boneMatrices' ); - - } - - } - - } - - if ( refreshMaterial ) { - - p_uniforms.setValue( _gl, 'toneMappingExposure', _this.toneMappingExposure ); - p_uniforms.setValue( _gl, 'toneMappingWhitePoint', _this.toneMappingWhitePoint ); - - if ( material.lights ) { - - // the current material requires lighting info - - // note: all lighting uniforms are always set correctly - // they simply reference the renderer's state for their - // values - // - // use the current material's .needsUpdate flags to set - // the GL state when required - - markUniformsLightsNeedsUpdate( m_uniforms, refreshLights ); - - } - - // refresh uniforms common to several materials - - if ( fog && material.fog ) { - - refreshUniformsFog( m_uniforms, fog ); - - } - - if ( material.isMeshBasicMaterial ) { - - refreshUniformsCommon( m_uniforms, material ); - - } else if ( material.isMeshLambertMaterial ) { - - refreshUniformsCommon( m_uniforms, material ); - refreshUniformsLambert( m_uniforms, material ); - - } else if ( material.isMeshPhongMaterial ) { - - refreshUniformsCommon( m_uniforms, material ); - - if ( material.isMeshToonMaterial ) { - - refreshUniformsToon( m_uniforms, material ); - - } else { - - refreshUniformsPhong( m_uniforms, material ); - - } - - } else if ( material.isMeshStandardMaterial ) { - - refreshUniformsCommon( m_uniforms, material ); - - if ( material.isMeshPhysicalMaterial ) { - - refreshUniformsPhysical( m_uniforms, material ); - - } else { - - refreshUniformsStandard( m_uniforms, material ); - - } - - } else if ( material.isMeshMatcapMaterial ) { - - refreshUniformsCommon( m_uniforms, material ); - - refreshUniformsMatcap( m_uniforms, material ); - - } else if ( material.isMeshDepthMaterial ) { - - refreshUniformsCommon( m_uniforms, material ); - refreshUniformsDepth( m_uniforms, material ); - - } else if ( material.isMeshDistanceMaterial ) { - - refreshUniformsCommon( m_uniforms, material ); - refreshUniformsDistance( m_uniforms, material ); - - } else if ( material.isMeshNormalMaterial ) { - - refreshUniformsCommon( m_uniforms, material ); - refreshUniformsNormal( m_uniforms, material ); - - } else if ( material.isLineBasicMaterial ) { - - refreshUniformsLine( m_uniforms, material ); - - if ( material.isLineDashedMaterial ) { - - refreshUniformsDash( m_uniforms, material ); - - } - - } else if ( material.isPointsMaterial ) { - - refreshUniformsPoints( m_uniforms, material ); - - } else if ( material.isSpriteMaterial ) { - - refreshUniformsSprites( m_uniforms, material ); - - } else if ( material.isShadowMaterial ) { - - m_uniforms.color.value.copy( material.color ); - m_uniforms.opacity.value = material.opacity; - - } - - // RectAreaLight Texture - // TODO (mrdoob): Find a nicer implementation - - if ( m_uniforms.ltc_1 !== undefined ) m_uniforms.ltc_1.value = UniformsLib.LTC_1; - if ( m_uniforms.ltc_2 !== undefined ) m_uniforms.ltc_2.value = UniformsLib.LTC_2; - - WebGLUniforms.upload( _gl, materialProperties.uniformsList, m_uniforms, textures ); - - } - - if ( material.isShaderMaterial && material.uniformsNeedUpdate === true ) { - - WebGLUniforms.upload( _gl, materialProperties.uniformsList, m_uniforms, textures ); - material.uniformsNeedUpdate = false; - - } - - if ( material.isSpriteMaterial ) { - - p_uniforms.setValue( _gl, 'center', object.center ); - - } - - // common matrices - - p_uniforms.setValue( _gl, 'modelViewMatrix', object.modelViewMatrix ); - p_uniforms.setValue( _gl, 'normalMatrix', object.normalMatrix ); - p_uniforms.setValue( _gl, 'modelMatrix', object.matrixWorld ); - - return program; - - } - - // Uniforms (refresh uniforms objects) - - function refreshUniformsCommon( uniforms, material ) { - - uniforms.opacity.value = material.opacity; - - if ( material.color ) { - - uniforms.diffuse.value.copy( material.color ); - - } - - if ( material.emissive ) { - - uniforms.emissive.value.copy( material.emissive ).multiplyScalar( material.emissiveIntensity ); - - } - - if ( material.map ) { - - uniforms.map.value = material.map; - - } - - if ( material.alphaMap ) { - - uniforms.alphaMap.value = material.alphaMap; - - } - - if ( material.specularMap ) { - - uniforms.specularMap.value = material.specularMap; - - } - - if ( material.envMap ) { - - uniforms.envMap.value = material.envMap; - - // don't flip CubeTexture envMaps, flip everything else: - // WebGLRenderTargetCube will be flipped for backwards compatibility - // WebGLRenderTargetCube.texture will be flipped because it's a Texture and NOT a CubeTexture - // this check must be handled differently, or removed entirely, if WebGLRenderTargetCube uses a CubeTexture in the future - uniforms.flipEnvMap.value = material.envMap.isCubeTexture ? - 1 : 1; - - uniforms.reflectivity.value = material.reflectivity; - uniforms.refractionRatio.value = material.refractionRatio; - - uniforms.maxMipLevel.value = properties.get( material.envMap ).__maxMipLevel; - - } - - if ( material.lightMap ) { - - uniforms.lightMap.value = material.lightMap; - uniforms.lightMapIntensity.value = material.lightMapIntensity; - - } - - if ( material.aoMap ) { - - uniforms.aoMap.value = material.aoMap; - uniforms.aoMapIntensity.value = material.aoMapIntensity; - - } - - // uv repeat and offset setting priorities - // 1. color map - // 2. specular map - // 3. normal map - // 4. bump map - // 5. alpha map - // 6. emissive map - - var uvScaleMap; - - if ( material.map ) { - - uvScaleMap = material.map; - - } else if ( material.specularMap ) { - - uvScaleMap = material.specularMap; - - } else if ( material.displacementMap ) { - - uvScaleMap = material.displacementMap; - - } else if ( material.normalMap ) { - - uvScaleMap = material.normalMap; - - } else if ( material.bumpMap ) { - - uvScaleMap = material.bumpMap; - - } else if ( material.roughnessMap ) { - - uvScaleMap = material.roughnessMap; - - } else if ( material.metalnessMap ) { - - uvScaleMap = material.metalnessMap; - - } else if ( material.alphaMap ) { - - uvScaleMap = material.alphaMap; - - } else if ( material.emissiveMap ) { - - uvScaleMap = material.emissiveMap; - - } - - if ( uvScaleMap !== undefined ) { - - // backwards compatibility - if ( uvScaleMap.isWebGLRenderTarget ) { - - uvScaleMap = uvScaleMap.texture; - - } - - if ( uvScaleMap.matrixAutoUpdate === true ) { - - uvScaleMap.updateMatrix(); - - } - - uniforms.uvTransform.value.copy( uvScaleMap.matrix ); - - } - - } - - function refreshUniformsLine( uniforms, material ) { - - uniforms.diffuse.value.copy( material.color ); - uniforms.opacity.value = material.opacity; - - } - - function refreshUniformsDash( uniforms, material ) { - - uniforms.dashSize.value = material.dashSize; - uniforms.totalSize.value = material.dashSize + material.gapSize; - uniforms.scale.value = material.scale; - - } - - function refreshUniformsPoints( uniforms, material ) { - - uniforms.diffuse.value.copy( material.color ); - uniforms.opacity.value = material.opacity; - uniforms.size.value = material.size * _pixelRatio; - uniforms.scale.value = _height * 0.5; - - uniforms.map.value = material.map; - - if ( material.map !== null ) { - - if ( material.map.matrixAutoUpdate === true ) { - - material.map.updateMatrix(); - - } - - uniforms.uvTransform.value.copy( material.map.matrix ); - - } - - } - - function refreshUniformsSprites( uniforms, material ) { - - uniforms.diffuse.value.copy( material.color ); - uniforms.opacity.value = material.opacity; - uniforms.rotation.value = material.rotation; - uniforms.map.value = material.map; - - if ( material.map !== null ) { - - if ( material.map.matrixAutoUpdate === true ) { - - material.map.updateMatrix(); - - } - - uniforms.uvTransform.value.copy( material.map.matrix ); - - } - - } - - function refreshUniformsFog( uniforms, fog ) { - - uniforms.fogColor.value.copy( fog.color ); - - if ( fog.isFog ) { - - uniforms.fogNear.value = fog.near; - uniforms.fogFar.value = fog.far; - - } else if ( fog.isFogExp2 ) { - - uniforms.fogDensity.value = fog.density; - - } - - } - - function refreshUniformsLambert( uniforms, material ) { - - if ( material.emissiveMap ) { - - uniforms.emissiveMap.value = material.emissiveMap; - - } - - } - - function refreshUniformsPhong( uniforms, material ) { - - uniforms.specular.value.copy( material.specular ); - uniforms.shininess.value = Math.max( material.shininess, 1e-4 ); // to prevent pow( 0.0, 0.0 ) - - if ( material.emissiveMap ) { - - uniforms.emissiveMap.value = material.emissiveMap; - - } - - if ( material.bumpMap ) { - - uniforms.bumpMap.value = material.bumpMap; - uniforms.bumpScale.value = material.bumpScale; - if ( material.side === BackSide ) uniforms.bumpScale.value *= - 1; - - } - - if ( material.normalMap ) { - - uniforms.normalMap.value = material.normalMap; - uniforms.normalScale.value.copy( material.normalScale ); - if ( material.side === BackSide ) uniforms.normalScale.value.negate(); - - } - - if ( material.displacementMap ) { - - uniforms.displacementMap.value = material.displacementMap; - uniforms.displacementScale.value = material.displacementScale; - uniforms.displacementBias.value = material.displacementBias; - - } - - } - - function refreshUniformsToon( uniforms, material ) { - - refreshUniformsPhong( uniforms, material ); - - if ( material.gradientMap ) { - - uniforms.gradientMap.value = material.gradientMap; - - } - - } - - function refreshUniformsStandard( uniforms, material ) { - - uniforms.roughness.value = material.roughness; - uniforms.metalness.value = material.metalness; - - if ( material.roughnessMap ) { - - uniforms.roughnessMap.value = material.roughnessMap; - - } - - if ( material.metalnessMap ) { - - uniforms.metalnessMap.value = material.metalnessMap; - - } - - if ( material.emissiveMap ) { - - uniforms.emissiveMap.value = material.emissiveMap; - - } - - if ( material.bumpMap ) { - - uniforms.bumpMap.value = material.bumpMap; - uniforms.bumpScale.value = material.bumpScale; - if ( material.side === BackSide ) uniforms.bumpScale.value *= - 1; - - } - - if ( material.normalMap ) { - - uniforms.normalMap.value = material.normalMap; - uniforms.normalScale.value.copy( material.normalScale ); - if ( material.side === BackSide ) uniforms.normalScale.value.negate(); - - } - - if ( material.displacementMap ) { - - uniforms.displacementMap.value = material.displacementMap; - uniforms.displacementScale.value = material.displacementScale; - uniforms.displacementBias.value = material.displacementBias; - - } - - if ( material.envMap ) { - - //uniforms.envMap.value = material.envMap; // part of uniforms common - uniforms.envMapIntensity.value = material.envMapIntensity; - - } - - } - - function refreshUniformsPhysical( uniforms, material ) { - - refreshUniformsStandard( uniforms, material ); - - uniforms.reflectivity.value = material.reflectivity; // also part of uniforms common - - uniforms.clearcoat.value = material.clearcoat; - uniforms.clearcoatRoughness.value = material.clearcoatRoughness; - if ( material.sheen ) uniforms.sheen.value.copy( material.sheen ); - - if ( material.clearcoatNormalMap ) { - - uniforms.clearcoatNormalScale.value.copy( material.clearcoatNormalScale ); - uniforms.clearcoatNormalMap.value = material.clearcoatNormalMap; - - if ( material.side === BackSide ) { - - uniforms.clearcoatNormalScale.value.negate(); - - } - - } - - uniforms.transparency.value = material.transparency; - - } - - function refreshUniformsMatcap( uniforms, material ) { - - if ( material.matcap ) { - - uniforms.matcap.value = material.matcap; - - } - - if ( material.bumpMap ) { - - uniforms.bumpMap.value = material.bumpMap; - uniforms.bumpScale.value = material.bumpScale; - if ( material.side === BackSide ) uniforms.bumpScale.value *= - 1; - - } - - if ( material.normalMap ) { - - uniforms.normalMap.value = material.normalMap; - uniforms.normalScale.value.copy( material.normalScale ); - if ( material.side === BackSide ) uniforms.normalScale.value.negate(); - - } - - if ( material.displacementMap ) { - - uniforms.displacementMap.value = material.displacementMap; - uniforms.displacementScale.value = material.displacementScale; - uniforms.displacementBias.value = material.displacementBias; - - } - - } - - function refreshUniformsDepth( uniforms, material ) { - - if ( material.displacementMap ) { - - uniforms.displacementMap.value = material.displacementMap; - uniforms.displacementScale.value = material.displacementScale; - uniforms.displacementBias.value = material.displacementBias; - - } - - } - - function refreshUniformsDistance( uniforms, material ) { - - if ( material.displacementMap ) { - - uniforms.displacementMap.value = material.displacementMap; - uniforms.displacementScale.value = material.displacementScale; - uniforms.displacementBias.value = material.displacementBias; - - } - - uniforms.referencePosition.value.copy( material.referencePosition ); - uniforms.nearDistance.value = material.nearDistance; - uniforms.farDistance.value = material.farDistance; - - } - - function refreshUniformsNormal( uniforms, material ) { - - if ( material.bumpMap ) { - - uniforms.bumpMap.value = material.bumpMap; - uniforms.bumpScale.value = material.bumpScale; - if ( material.side === BackSide ) uniforms.bumpScale.value *= - 1; - - } - - if ( material.normalMap ) { - - uniforms.normalMap.value = material.normalMap; - uniforms.normalScale.value.copy( material.normalScale ); - if ( material.side === BackSide ) uniforms.normalScale.value.negate(); - - } - - if ( material.displacementMap ) { - - uniforms.displacementMap.value = material.displacementMap; - uniforms.displacementScale.value = material.displacementScale; - uniforms.displacementBias.value = material.displacementBias; - - } - - } - - // If uniforms are marked as clean, they don't need to be loaded to the GPU. - - function markUniformsLightsNeedsUpdate( uniforms, value ) { - - uniforms.ambientLightColor.needsUpdate = value; - uniforms.lightProbe.needsUpdate = value; - - uniforms.directionalLights.needsUpdate = value; - uniforms.pointLights.needsUpdate = value; - uniforms.spotLights.needsUpdate = value; - uniforms.rectAreaLights.needsUpdate = value; - uniforms.hemisphereLights.needsUpdate = value; - - } - - // - this.setFramebuffer = function ( value ) { - - if ( _framebuffer !== value ) _gl.bindFramebuffer( 36160, value ); - - _framebuffer = value; - - }; - - this.getActiveCubeFace = function () { - - return _currentActiveCubeFace; - - }; - - this.getActiveMipmapLevel = function () { - - return _currentActiveMipmapLevel; - - }; - - this.getRenderTarget = function () { - - return _currentRenderTarget; - - }; - - this.setRenderTarget = function ( renderTarget, activeCubeFace, activeMipmapLevel ) { - - _currentRenderTarget = renderTarget; - _currentActiveCubeFace = activeCubeFace; - _currentActiveMipmapLevel = activeMipmapLevel; - - if ( renderTarget && properties.get( renderTarget ).__webglFramebuffer === undefined ) { - - textures.setupRenderTarget( renderTarget ); - - } - - var framebuffer = _framebuffer; - var isCube = false; - - if ( renderTarget ) { - - var __webglFramebuffer = properties.get( renderTarget ).__webglFramebuffer; - - if ( renderTarget.isWebGLRenderTargetCube ) { - - framebuffer = __webglFramebuffer[ activeCubeFace || 0 ]; - isCube = true; - - } else if ( renderTarget.isWebGLMultisampleRenderTarget ) { - - framebuffer = properties.get( renderTarget ).__webglMultisampledFramebuffer; - - } else { - - framebuffer = __webglFramebuffer; - - } - - _currentViewport.copy( renderTarget.viewport ); - _currentScissor.copy( renderTarget.scissor ); - _currentScissorTest = renderTarget.scissorTest; - - } else { - - _currentViewport.copy( _viewport ).multiplyScalar( _pixelRatio ).floor(); - _currentScissor.copy( _scissor ).multiplyScalar( _pixelRatio ).floor(); - _currentScissorTest = _scissorTest; - - } - - if ( _currentFramebuffer !== framebuffer ) { - - _gl.bindFramebuffer( 36160, framebuffer ); - _currentFramebuffer = framebuffer; - - } - - state.viewport( _currentViewport ); - state.scissor( _currentScissor ); - state.setScissorTest( _currentScissorTest ); - - if ( isCube ) { - - var textureProperties = properties.get( renderTarget.texture ); - _gl.framebufferTexture2D( 36160, 36064, 34069 + ( activeCubeFace || 0 ), textureProperties.__webglTexture, activeMipmapLevel || 0 ); - - } - - }; - - this.readRenderTargetPixels = function ( renderTarget, x, y, width, height, buffer, activeCubeFaceIndex ) { - - if ( ! ( renderTarget && renderTarget.isWebGLRenderTarget ) ) { - - console.error( 'THREE.WebGLRenderer.readRenderTargetPixels: renderTarget is not THREE.WebGLRenderTarget.' ); - return; - - } - - var framebuffer = properties.get( renderTarget ).__webglFramebuffer; - - if ( renderTarget.isWebGLRenderTargetCube && activeCubeFaceIndex !== undefined ) { - - framebuffer = framebuffer[ activeCubeFaceIndex ]; - - } - - if ( framebuffer ) { - - var restore = false; - - if ( framebuffer !== _currentFramebuffer ) { - - _gl.bindFramebuffer( 36160, framebuffer ); - - restore = true; - - } - - try { - - var texture = renderTarget.texture; - var textureFormat = texture.format; - var textureType = texture.type; - - if ( textureFormat !== RGBAFormat && utils.convert( textureFormat ) !== _gl.getParameter( 35739 ) ) { - - console.error( 'THREE.WebGLRenderer.readRenderTargetPixels: renderTarget is not in RGBA or implementation defined format.' ); - return; - - } - - if ( textureType !== UnsignedByteType && utils.convert( textureType ) !== _gl.getParameter( 35738 ) && // IE11, Edge and Chrome Mac < 52 (#9513) - ! ( textureType === FloatType && ( capabilities.isWebGL2 || extensions.get( 'OES_texture_float' ) || extensions.get( 'WEBGL_color_buffer_float' ) ) ) && // Chrome Mac >= 52 and Firefox - ! ( textureType === HalfFloatType && ( capabilities.isWebGL2 ? extensions.get( 'EXT_color_buffer_float' ) : extensions.get( 'EXT_color_buffer_half_float' ) ) ) ) { - - console.error( 'THREE.WebGLRenderer.readRenderTargetPixels: renderTarget is not in UnsignedByteType or implementation defined type.' ); - return; - - } - - if ( _gl.checkFramebufferStatus( 36160 ) === 36053 ) { - - // the following if statement ensures valid read requests (no out-of-bounds pixels, see #8604) - - if ( ( x >= 0 && x <= ( renderTarget.width - width ) ) && ( y >= 0 && y <= ( renderTarget.height - height ) ) ) { - - _gl.readPixels( x, y, width, height, utils.convert( textureFormat ), utils.convert( textureType ), buffer ); - - } - - } else { - - console.error( 'THREE.WebGLRenderer.readRenderTargetPixels: readPixels from renderTarget failed. Framebuffer not complete.' ); - - } - - } finally { - - if ( restore ) { - - _gl.bindFramebuffer( 36160, _currentFramebuffer ); - - } - - } - - } - - }; - - this.copyFramebufferToTexture = function ( position, texture, level ) { - - var width = texture.image.width; - var height = texture.image.height; - var glFormat = utils.convert( texture.format ); - - textures.setTexture2D( texture, 0 ); - - _gl.copyTexImage2D( 3553, level || 0, glFormat, position.x, position.y, width, height, 0 ); - - }; - - this.copyTextureToTexture = function ( position, srcTexture, dstTexture, level ) { - - var width = srcTexture.image.width; - var height = srcTexture.image.height; - var glFormat = utils.convert( dstTexture.format ); - var glType = utils.convert( dstTexture.type ); - - textures.setTexture2D( dstTexture, 0 ); - - if ( srcTexture.isDataTexture ) { - - _gl.texSubImage2D( 3553, level || 0, position.x, position.y, width, height, glFormat, glType, srcTexture.image.data ); - - } else { - - _gl.texSubImage2D( 3553, level || 0, position.x, position.y, glFormat, glType, srcTexture.image ); - - } - - }; - - if ( typeof __THREE_DEVTOOLS__ !== 'undefined' ) { - - __THREE_DEVTOOLS__.dispatchEvent( new CustomEvent( 'observe', { detail: this } ) ); // eslint-disable-line no-undef - - } - - } - - /** - * @author mrdoob / http://mrdoob.com/ - * @author alteredq / http://alteredqualia.com/ - */ - - function FogExp2( color, density ) { - - this.name = ''; - - this.color = new Color( color ); - this.density = ( density !== undefined ) ? density : 0.00025; - - } - - Object.assign( FogExp2.prototype, { - - isFogExp2: true, - - clone: function () { - - return new FogExp2( this.color, this.density ); - - }, - - toJSON: function ( /* meta */ ) { - - return { - type: 'FogExp2', - color: this.color.getHex(), - density: this.density - }; - - } - - } ); - - /** - * @author mrdoob / http://mrdoob.com/ - * @author alteredq / http://alteredqualia.com/ - */ - - function Fog( color, near, far ) { - - this.name = ''; - - this.color = new Color( color ); - - this.near = ( near !== undefined ) ? near : 1; - this.far = ( far !== undefined ) ? far : 1000; - - } - - Object.assign( Fog.prototype, { - - isFog: true, - - clone: function () { - - return new Fog( this.color, this.near, this.far ); - - }, - - toJSON: function ( /* meta */ ) { - - return { - type: 'Fog', - color: this.color.getHex(), - near: this.near, - far: this.far - }; - - } - - } ); - - /** - * @author benaadams / https://twitter.com/ben_a_adams - */ - - function InterleavedBuffer( array, stride ) { - - this.array = array; - this.stride = stride; - this.count = array !== undefined ? array.length / stride : 0; - - this.dynamic = false; - this.updateRange = { offset: 0, count: - 1 }; - - this.version = 0; - - } - - Object.defineProperty( InterleavedBuffer.prototype, 'needsUpdate', { - - set: function ( value ) { - - if ( value === true ) this.version ++; - - } - - } ); - - Object.assign( InterleavedBuffer.prototype, { - - isInterleavedBuffer: true, - - onUploadCallback: function () {}, - - setArray: function ( array ) { - - if ( Array.isArray( array ) ) { - - throw new TypeError( 'THREE.BufferAttribute: array should be a Typed Array.' ); - - } - - this.count = array !== undefined ? array.length / this.stride : 0; - this.array = array; - - return this; - - }, - - setDynamic: function ( value ) { - - this.dynamic = value; - - return this; - - }, - - copy: function ( source ) { - - this.array = new source.array.constructor( source.array ); - this.count = source.count; - this.stride = source.stride; - this.dynamic = source.dynamic; - - return this; - - }, - - copyAt: function ( index1, attribute, index2 ) { - - index1 *= this.stride; - index2 *= attribute.stride; - - for ( var i = 0, l = this.stride; i < l; i ++ ) { - - this.array[ index1 + i ] = attribute.array[ index2 + i ]; - - } - - return this; - - }, - - set: function ( value, offset ) { - - if ( offset === undefined ) offset = 0; - - this.array.set( value, offset ); - - return this; - - }, - - clone: function () { - - return new this.constructor().copy( this ); - - }, - - onUpload: function ( callback ) { - - this.onUploadCallback = callback; - - return this; - - } - - } ); - - /** - * @author benaadams / https://twitter.com/ben_a_adams - */ - - function InterleavedBufferAttribute( interleavedBuffer, itemSize, offset, normalized ) { - - this.data = interleavedBuffer; - this.itemSize = itemSize; - this.offset = offset; - - this.normalized = normalized === true; - - } - - Object.defineProperties( InterleavedBufferAttribute.prototype, { - - count: { - - get: function () { - - return this.data.count; - - } - - }, - - array: { - - get: function () { - - return this.data.array; - - } - - } - - } ); - - Object.assign( InterleavedBufferAttribute.prototype, { - - isInterleavedBufferAttribute: true, - - setX: function ( index, x ) { - - this.data.array[ index * this.data.stride + this.offset ] = x; - - return this; - - }, - - setY: function ( index, y ) { - - this.data.array[ index * this.data.stride + this.offset + 1 ] = y; - - return this; - - }, - - setZ: function ( index, z ) { - - this.data.array[ index * this.data.stride + this.offset + 2 ] = z; - - return this; - - }, - - setW: function ( index, w ) { - - this.data.array[ index * this.data.stride + this.offset + 3 ] = w; - - return this; - - }, - - getX: function ( index ) { - - return this.data.array[ index * this.data.stride + this.offset ]; - - }, - - getY: function ( index ) { - - return this.data.array[ index * this.data.stride + this.offset + 1 ]; - - }, - - getZ: function ( index ) { - - return this.data.array[ index * this.data.stride + this.offset + 2 ]; - - }, - - getW: function ( index ) { - - return this.data.array[ index * this.data.stride + this.offset + 3 ]; - - }, - - setXY: function ( index, x, y ) { - - index = index * this.data.stride + this.offset; - - this.data.array[ index + 0 ] = x; - this.data.array[ index + 1 ] = y; - - return this; - - }, - - setXYZ: function ( index, x, y, z ) { - - index = index * this.data.stride + this.offset; - - this.data.array[ index + 0 ] = x; - this.data.array[ index + 1 ] = y; - this.data.array[ index + 2 ] = z; - - return this; - - }, - - setXYZW: function ( index, x, y, z, w ) { - - index = index * this.data.stride + this.offset; - - this.data.array[ index + 0 ] = x; - this.data.array[ index + 1 ] = y; - this.data.array[ index + 2 ] = z; - this.data.array[ index + 3 ] = w; - - return this; - - } - - } ); - - /** - * @author alteredq / http://alteredqualia.com/ - * - * parameters = { - * color: , - * map: new THREE.Texture( ), - * rotation: , - * sizeAttenuation: - * } - */ - - function SpriteMaterial( parameters ) { - - Material.call( this ); - - this.type = 'SpriteMaterial'; - - this.color = new Color( 0xffffff ); - this.map = null; - - this.rotation = 0; - - this.sizeAttenuation = true; - - this.lights = false; - this.transparent = true; - - this.setValues( parameters ); - - } - - SpriteMaterial.prototype = Object.create( Material.prototype ); - SpriteMaterial.prototype.constructor = SpriteMaterial; - SpriteMaterial.prototype.isSpriteMaterial = true; - - SpriteMaterial.prototype.copy = function ( source ) { - - Material.prototype.copy.call( this, source ); - - this.color.copy( source.color ); - this.map = source.map; - - this.rotation = source.rotation; - - this.sizeAttenuation = source.sizeAttenuation; - - return this; - - }; - - /** - * @author mikael emtinger / http://gomo.se/ - * @author alteredq / http://alteredqualia.com/ - */ - - var _geometry; - - var _intersectPoint = new Vector3(); - var _worldScale = new Vector3(); - var _mvPosition = new Vector3(); - - var _alignedPosition = new Vector2(); - var _rotatedPosition = new Vector2(); - var _viewWorldMatrix = new Matrix4(); - - var _vA$1 = new Vector3(); - var _vB$1 = new Vector3(); - var _vC$1 = new Vector3(); - - var _uvA$1 = new Vector2(); - var _uvB$1 = new Vector2(); - var _uvC$1 = new Vector2(); - - function Sprite( material ) { - - Object3D.call( this ); - - this.type = 'Sprite'; - - if ( _geometry === undefined ) { - - _geometry = new BufferGeometry(); - - var float32Array = new Float32Array( [ - - 0.5, - 0.5, 0, 0, 0, - 0.5, - 0.5, 0, 1, 0, - 0.5, 0.5, 0, 1, 1, - - 0.5, 0.5, 0, 0, 1 - ] ); - - var interleavedBuffer = new InterleavedBuffer( float32Array, 5 ); - - _geometry.setIndex( [ 0, 1, 2, 0, 2, 3 ] ); - _geometry.addAttribute( 'position', new InterleavedBufferAttribute( interleavedBuffer, 3, 0, false ) ); - _geometry.addAttribute( 'uv', new InterleavedBufferAttribute( interleavedBuffer, 2, 3, false ) ); - - } - - this.geometry = _geometry; - this.material = ( material !== undefined ) ? material : new SpriteMaterial(); - - this.center = new Vector2( 0.5, 0.5 ); - - } - - Sprite.prototype = Object.assign( Object.create( Object3D.prototype ), { - - constructor: Sprite, - - isSprite: true, - - raycast: function ( raycaster, intersects ) { - - if ( raycaster.camera === null ) { - - console.error( 'THREE.Sprite: "Raycaster.camera" needs to be set in order to raycast against sprites.' ); - - } - - _worldScale.setFromMatrixScale( this.matrixWorld ); - - _viewWorldMatrix.copy( raycaster.camera.matrixWorld ); - this.modelViewMatrix.multiplyMatrices( raycaster.camera.matrixWorldInverse, this.matrixWorld ); - - _mvPosition.setFromMatrixPosition( this.modelViewMatrix ); - - if ( raycaster.camera.isPerspectiveCamera && this.material.sizeAttenuation === false ) { - - _worldScale.multiplyScalar( - _mvPosition.z ); - - } - - var rotation = this.material.rotation; - var sin, cos; - if ( rotation !== 0 ) { - - cos = Math.cos( rotation ); - sin = Math.sin( rotation ); - - } - - var center = this.center; - - transformVertex( _vA$1.set( - 0.5, - 0.5, 0 ), _mvPosition, center, _worldScale, sin, cos ); - transformVertex( _vB$1.set( 0.5, - 0.5, 0 ), _mvPosition, center, _worldScale, sin, cos ); - transformVertex( _vC$1.set( 0.5, 0.5, 0 ), _mvPosition, center, _worldScale, sin, cos ); - - _uvA$1.set( 0, 0 ); - _uvB$1.set( 1, 0 ); - _uvC$1.set( 1, 1 ); - - // check first triangle - var intersect = raycaster.ray.intersectTriangle( _vA$1, _vB$1, _vC$1, false, _intersectPoint ); - - if ( intersect === null ) { - - // check second triangle - transformVertex( _vB$1.set( - 0.5, 0.5, 0 ), _mvPosition, center, _worldScale, sin, cos ); - _uvB$1.set( 0, 1 ); - - intersect = raycaster.ray.intersectTriangle( _vA$1, _vC$1, _vB$1, false, _intersectPoint ); - if ( intersect === null ) { - - return; - - } - - } - - var distance = raycaster.ray.origin.distanceTo( _intersectPoint ); - - if ( distance < raycaster.near || distance > raycaster.far ) return; - - intersects.push( { - - distance: distance, - point: _intersectPoint.clone(), - uv: Triangle.getUV( _intersectPoint, _vA$1, _vB$1, _vC$1, _uvA$1, _uvB$1, _uvC$1, new Vector2() ), - face: null, - object: this - - } ); - - }, - - clone: function () { - - return new this.constructor( this.material ).copy( this ); - - }, - - copy: function ( source ) { - - Object3D.prototype.copy.call( this, source ); - - if ( source.center !== undefined ) this.center.copy( source.center ); - - return this; - - } - - - } ); - - function transformVertex( vertexPosition, mvPosition, center, scale, sin, cos ) { - - // compute position in camera space - _alignedPosition.subVectors( vertexPosition, center ).addScalar( 0.5 ).multiply( scale ); - - // to check if rotation is not zero - if ( sin !== undefined ) { - - _rotatedPosition.x = ( cos * _alignedPosition.x ) - ( sin * _alignedPosition.y ); - _rotatedPosition.y = ( sin * _alignedPosition.x ) + ( cos * _alignedPosition.y ); - - } else { - - _rotatedPosition.copy( _alignedPosition ); - - } - - - vertexPosition.copy( mvPosition ); - vertexPosition.x += _rotatedPosition.x; - vertexPosition.y += _rotatedPosition.y; - - // transform to world space - vertexPosition.applyMatrix4( _viewWorldMatrix ); - - } - - /** - * @author mikael emtinger / http://gomo.se/ - * @author alteredq / http://alteredqualia.com/ - * @author mrdoob / http://mrdoob.com/ - */ - - var _v1$4 = new Vector3(); - var _v2$2 = new Vector3(); - - function LOD() { - - Object3D.call( this ); - - this.type = 'LOD'; - - Object.defineProperties( this, { - levels: { - enumerable: true, - value: [] - } - } ); - - this.autoUpdate = true; - - } - - LOD.prototype = Object.assign( Object.create( Object3D.prototype ), { - - constructor: LOD, - - isLOD: true, - - copy: function ( source ) { - - Object3D.prototype.copy.call( this, source, false ); - - var levels = source.levels; - - for ( var i = 0, l = levels.length; i < l; i ++ ) { - - var level = levels[ i ]; - - this.addLevel( level.object.clone(), level.distance ); - - } - - return this; - - }, - - addLevel: function ( object, distance ) { - - if ( distance === undefined ) distance = 0; - - distance = Math.abs( distance ); - - var levels = this.levels; - - for ( var l = 0; l < levels.length; l ++ ) { - - if ( distance < levels[ l ].distance ) { - - break; - - } - - } - - levels.splice( l, 0, { distance: distance, object: object } ); - - this.add( object ); - - return this; - - }, - - getObjectForDistance: function ( distance ) { - - var levels = this.levels; - - for ( var i = 1, l = levels.length; i < l; i ++ ) { - - if ( distance < levels[ i ].distance ) { - - break; - - } - - } - - return levels[ i - 1 ].object; - - }, - - raycast: function ( raycaster, intersects ) { - - _v1$4.setFromMatrixPosition( this.matrixWorld ); - - var distance = raycaster.ray.origin.distanceTo( _v1$4 ); - - this.getObjectForDistance( distance ).raycast( raycaster, intersects ); - - }, - - update: function ( camera ) { - - var levels = this.levels; - - if ( levels.length > 1 ) { - - _v1$4.setFromMatrixPosition( camera.matrixWorld ); - _v2$2.setFromMatrixPosition( this.matrixWorld ); - - var distance = _v1$4.distanceTo( _v2$2 ); - - levels[ 0 ].object.visible = true; - - for ( var i = 1, l = levels.length; i < l; i ++ ) { - - if ( distance >= levels[ i ].distance ) { - - levels[ i - 1 ].object.visible = false; - levels[ i ].object.visible = true; - - } else { - - break; - - } - - } - - for ( ; i < l; i ++ ) { - - levels[ i ].object.visible = false; - - } - - } - - }, - - toJSON: function ( meta ) { - - var data = Object3D.prototype.toJSON.call( this, meta ); - - data.object.levels = []; - - var levels = this.levels; - - for ( var i = 0, l = levels.length; i < l; i ++ ) { - - var level = levels[ i ]; - - data.object.levels.push( { - object: level.object.uuid, - distance: level.distance - } ); - - } - - return data; - - } - - } ); - - /** - * @author mikael emtinger / http://gomo.se/ - * @author alteredq / http://alteredqualia.com/ - * @author ikerr / http://verold.com - */ - - function SkinnedMesh( geometry, material ) { - - if ( geometry && geometry.isGeometry ) { - - console.error( 'THREE.SkinnedMesh no longer supports THREE.Geometry. Use THREE.BufferGeometry instead.' ); - - } - - Mesh.call( this, geometry, material ); - - this.type = 'SkinnedMesh'; - - this.bindMode = 'attached'; - this.bindMatrix = new Matrix4(); - this.bindMatrixInverse = new Matrix4(); - - } - - SkinnedMesh.prototype = Object.assign( Object.create( Mesh.prototype ), { - - constructor: SkinnedMesh, - - isSkinnedMesh: true, - - bind: function ( skeleton, bindMatrix ) { - - this.skeleton = skeleton; - - if ( bindMatrix === undefined ) { - - this.updateMatrixWorld( true ); - - this.skeleton.calculateInverses(); - - bindMatrix = this.matrixWorld; - - } - - this.bindMatrix.copy( bindMatrix ); - this.bindMatrixInverse.getInverse( bindMatrix ); - - }, - - pose: function () { - - this.skeleton.pose(); - - }, - - normalizeSkinWeights: function () { - - var vector = new Vector4(); - - var skinWeight = this.geometry.attributes.skinWeight; - - for ( var i = 0, l = skinWeight.count; i < l; i ++ ) { - - vector.x = skinWeight.getX( i ); - vector.y = skinWeight.getY( i ); - vector.z = skinWeight.getZ( i ); - vector.w = skinWeight.getW( i ); - - var scale = 1.0 / vector.manhattanLength(); - - if ( scale !== Infinity ) { - - vector.multiplyScalar( scale ); - - } else { - - vector.set( 1, 0, 0, 0 ); // do something reasonable - - } - - skinWeight.setXYZW( i, vector.x, vector.y, vector.z, vector.w ); - - } - - }, - - updateMatrixWorld: function ( force ) { - - Mesh.prototype.updateMatrixWorld.call( this, force ); - - if ( this.bindMode === 'attached' ) { - - this.bindMatrixInverse.getInverse( this.matrixWorld ); - - } else if ( this.bindMode === 'detached' ) { - - this.bindMatrixInverse.getInverse( this.bindMatrix ); - - } else { - - console.warn( 'THREE.SkinnedMesh: Unrecognized bindMode: ' + this.bindMode ); - - } - - }, - - clone: function () { - - return new this.constructor( this.geometry, this.material ).copy( this ); - - } - - } ); - - /** - * @author mikael emtinger / http://gomo.se/ - * @author alteredq / http://alteredqualia.com/ - * @author michael guerrero / http://realitymeltdown.com - * @author ikerr / http://verold.com - */ - - var _offsetMatrix = new Matrix4(); - var _identityMatrix = new Matrix4(); - - function Skeleton( bones, boneInverses ) { - - // copy the bone array - - bones = bones || []; - - this.bones = bones.slice( 0 ); - this.boneMatrices = new Float32Array( this.bones.length * 16 ); - - // use the supplied bone inverses or calculate the inverses - - if ( boneInverses === undefined ) { - - this.calculateInverses(); - - } else { - - if ( this.bones.length === boneInverses.length ) { - - this.boneInverses = boneInverses.slice( 0 ); - - } else { - - console.warn( 'THREE.Skeleton boneInverses is the wrong length.' ); - - this.boneInverses = []; - - for ( var i = 0, il = this.bones.length; i < il; i ++ ) { - - this.boneInverses.push( new Matrix4() ); - - } - - } - - } - - } - - Object.assign( Skeleton.prototype, { - - calculateInverses: function () { - - this.boneInverses = []; - - for ( var i = 0, il = this.bones.length; i < il; i ++ ) { - - var inverse = new Matrix4(); - - if ( this.bones[ i ] ) { - - inverse.getInverse( this.bones[ i ].matrixWorld ); - - } - - this.boneInverses.push( inverse ); - - } - - }, - - pose: function () { - - var bone, i, il; - - // recover the bind-time world matrices - - for ( i = 0, il = this.bones.length; i < il; i ++ ) { - - bone = this.bones[ i ]; - - if ( bone ) { - - bone.matrixWorld.getInverse( this.boneInverses[ i ] ); - - } - - } - - // compute the local matrices, positions, rotations and scales - - for ( i = 0, il = this.bones.length; i < il; i ++ ) { - - bone = this.bones[ i ]; - - if ( bone ) { - - if ( bone.parent && bone.parent.isBone ) { - - bone.matrix.getInverse( bone.parent.matrixWorld ); - bone.matrix.multiply( bone.matrixWorld ); - - } else { - - bone.matrix.copy( bone.matrixWorld ); - - } - - bone.matrix.decompose( bone.position, bone.quaternion, bone.scale ); - - } - - } - - }, - - update: function () { - - var bones = this.bones; - var boneInverses = this.boneInverses; - var boneMatrices = this.boneMatrices; - var boneTexture = this.boneTexture; - - // flatten bone matrices to array - - for ( var i = 0, il = bones.length; i < il; i ++ ) { - - // compute the offset between the current and the original transform - - var matrix = bones[ i ] ? bones[ i ].matrixWorld : _identityMatrix; - - _offsetMatrix.multiplyMatrices( matrix, boneInverses[ i ] ); - _offsetMatrix.toArray( boneMatrices, i * 16 ); - - } - - if ( boneTexture !== undefined ) { - - boneTexture.needsUpdate = true; - - } - - }, - - clone: function () { - - return new Skeleton( this.bones, this.boneInverses ); - - }, - - getBoneByName: function ( name ) { - - for ( var i = 0, il = this.bones.length; i < il; i ++ ) { - - var bone = this.bones[ i ]; - - if ( bone.name === name ) { - - return bone; - - } - - } - - return undefined; - - } - - } ); - - /** - * @author mikael emtinger / http://gomo.se/ - * @author alteredq / http://alteredqualia.com/ - * @author ikerr / http://verold.com - */ - - function Bone() { - - Object3D.call( this ); - - this.type = 'Bone'; - - } - - Bone.prototype = Object.assign( Object.create( Object3D.prototype ), { - - constructor: Bone, - - isBone: true - - } ); - - /** - * @author mrdoob / http://mrdoob.com/ - * @author alteredq / http://alteredqualia.com/ - * - * parameters = { - * color: , - * opacity: , - * - * linewidth: , - * linecap: "round", - * linejoin: "round" - * } - */ - - function LineBasicMaterial( parameters ) { - - Material.call( this ); - - this.type = 'LineBasicMaterial'; - - this.color = new Color( 0xffffff ); - - this.linewidth = 1; - this.linecap = 'round'; - this.linejoin = 'round'; - - this.lights = false; - - this.setValues( parameters ); - - } - - LineBasicMaterial.prototype = Object.create( Material.prototype ); - LineBasicMaterial.prototype.constructor = LineBasicMaterial; - - LineBasicMaterial.prototype.isLineBasicMaterial = true; - - LineBasicMaterial.prototype.copy = function ( source ) { - - Material.prototype.copy.call( this, source ); - - this.color.copy( source.color ); - - this.linewidth = source.linewidth; - this.linecap = source.linecap; - this.linejoin = source.linejoin; - - return this; - - }; - - /** - * @author mrdoob / http://mrdoob.com/ - */ - - var _start = new Vector3(); - var _end = new Vector3(); - var _inverseMatrix$1 = new Matrix4(); - var _ray$1 = new Ray(); - var _sphere$2 = new Sphere(); - - function Line( geometry, material, mode ) { - - if ( mode === 1 ) { - - console.error( 'THREE.Line: parameter THREE.LinePieces no longer supported. Use THREE.LineSegments instead.' ); - - } - - Object3D.call( this ); - - this.type = 'Line'; - - this.geometry = geometry !== undefined ? geometry : new BufferGeometry(); - this.material = material !== undefined ? material : new LineBasicMaterial( { color: Math.random() * 0xffffff } ); - - } - - Line.prototype = Object.assign( Object.create( Object3D.prototype ), { - - constructor: Line, - - isLine: true, - - computeLineDistances: function () { - - var geometry = this.geometry; - - if ( geometry.isBufferGeometry ) { - - // we assume non-indexed geometry - - if ( geometry.index === null ) { - - var positionAttribute = geometry.attributes.position; - var lineDistances = [ 0 ]; - - for ( var i = 1, l = positionAttribute.count; i < l; i ++ ) { - - _start.fromBufferAttribute( positionAttribute, i - 1 ); - _end.fromBufferAttribute( positionAttribute, i ); - - lineDistances[ i ] = lineDistances[ i - 1 ]; - lineDistances[ i ] += _start.distanceTo( _end ); - - } - - geometry.addAttribute( 'lineDistance', new Float32BufferAttribute( lineDistances, 1 ) ); - - } else { - - console.warn( 'THREE.Line.computeLineDistances(): Computation only possible with non-indexed BufferGeometry.' ); - - } - - } else if ( geometry.isGeometry ) { - - var vertices = geometry.vertices; - var lineDistances = geometry.lineDistances; - - lineDistances[ 0 ] = 0; - - for ( var i = 1, l = vertices.length; i < l; i ++ ) { - - lineDistances[ i ] = lineDistances[ i - 1 ]; - lineDistances[ i ] += vertices[ i - 1 ].distanceTo( vertices[ i ] ); - - } - - } - - return this; - - }, - - raycast: function ( raycaster, intersects ) { - - var precision = raycaster.linePrecision; - - var geometry = this.geometry; - var matrixWorld = this.matrixWorld; - - // Checking boundingSphere distance to ray - - if ( geometry.boundingSphere === null ) geometry.computeBoundingSphere(); - - _sphere$2.copy( geometry.boundingSphere ); - _sphere$2.applyMatrix4( matrixWorld ); - _sphere$2.radius += precision; - - if ( raycaster.ray.intersectsSphere( _sphere$2 ) === false ) return; - - // - - _inverseMatrix$1.getInverse( matrixWorld ); - _ray$1.copy( raycaster.ray ).applyMatrix4( _inverseMatrix$1 ); - - var localPrecision = precision / ( ( this.scale.x + this.scale.y + this.scale.z ) / 3 ); - var localPrecisionSq = localPrecision * localPrecision; - - var vStart = new Vector3(); - var vEnd = new Vector3(); - var interSegment = new Vector3(); - var interRay = new Vector3(); - var step = ( this && this.isLineSegments ) ? 2 : 1; - - if ( geometry.isBufferGeometry ) { - - var index = geometry.index; - var attributes = geometry.attributes; - var positions = attributes.position.array; - - if ( index !== null ) { - - var indices = index.array; - - for ( var i = 0, l = indices.length - 1; i < l; i += step ) { - - var a = indices[ i ]; - var b = indices[ i + 1 ]; - - vStart.fromArray( positions, a * 3 ); - vEnd.fromArray( positions, b * 3 ); - - var distSq = _ray$1.distanceSqToSegment( vStart, vEnd, interRay, interSegment ); - - if ( distSq > localPrecisionSq ) continue; - - interRay.applyMatrix4( this.matrixWorld ); //Move back to world space for distance calculation - - var distance = raycaster.ray.origin.distanceTo( interRay ); - - if ( distance < raycaster.near || distance > raycaster.far ) continue; - - intersects.push( { - - distance: distance, - // What do we want? intersection point on the ray or on the segment?? - // point: raycaster.ray.at( distance ), - point: interSegment.clone().applyMatrix4( this.matrixWorld ), - index: i, - face: null, - faceIndex: null, - object: this - - } ); - - } - - } else { - - for ( var i = 0, l = positions.length / 3 - 1; i < l; i += step ) { - - vStart.fromArray( positions, 3 * i ); - vEnd.fromArray( positions, 3 * i + 3 ); - - var distSq = _ray$1.distanceSqToSegment( vStart, vEnd, interRay, interSegment ); - - if ( distSq > localPrecisionSq ) continue; - - interRay.applyMatrix4( this.matrixWorld ); //Move back to world space for distance calculation - - var distance = raycaster.ray.origin.distanceTo( interRay ); - - if ( distance < raycaster.near || distance > raycaster.far ) continue; - - intersects.push( { - - distance: distance, - // What do we want? intersection point on the ray or on the segment?? - // point: raycaster.ray.at( distance ), - point: interSegment.clone().applyMatrix4( this.matrixWorld ), - index: i, - face: null, - faceIndex: null, - object: this - - } ); - - } - - } - - } else if ( geometry.isGeometry ) { - - var vertices = geometry.vertices; - var nbVertices = vertices.length; - - for ( var i = 0; i < nbVertices - 1; i += step ) { - - var distSq = _ray$1.distanceSqToSegment( vertices[ i ], vertices[ i + 1 ], interRay, interSegment ); - - if ( distSq > localPrecisionSq ) continue; - - interRay.applyMatrix4( this.matrixWorld ); //Move back to world space for distance calculation - - var distance = raycaster.ray.origin.distanceTo( interRay ); - - if ( distance < raycaster.near || distance > raycaster.far ) continue; - - intersects.push( { - - distance: distance, - // What do we want? intersection point on the ray or on the segment?? - // point: raycaster.ray.at( distance ), - point: interSegment.clone().applyMatrix4( this.matrixWorld ), - index: i, - face: null, - faceIndex: null, - object: this - - } ); - - } - - } - - }, - - clone: function () { - - return new this.constructor( this.geometry, this.material ).copy( this ); - - } - - } ); - - /** - * @author mrdoob / http://mrdoob.com/ - */ - - var _start$1 = new Vector3(); - var _end$1 = new Vector3(); - - function LineSegments( geometry, material ) { - - Line.call( this, geometry, material ); - - this.type = 'LineSegments'; - - } - - LineSegments.prototype = Object.assign( Object.create( Line.prototype ), { - - constructor: LineSegments, - - isLineSegments: true, - - computeLineDistances: function () { - - var geometry = this.geometry; - - if ( geometry.isBufferGeometry ) { - - // we assume non-indexed geometry - - if ( geometry.index === null ) { - - var positionAttribute = geometry.attributes.position; - var lineDistances = []; - - for ( var i = 0, l = positionAttribute.count; i < l; i += 2 ) { - - _start$1.fromBufferAttribute( positionAttribute, i ); - _end$1.fromBufferAttribute( positionAttribute, i + 1 ); - - lineDistances[ i ] = ( i === 0 ) ? 0 : lineDistances[ i - 1 ]; - lineDistances[ i + 1 ] = lineDistances[ i ] + _start$1.distanceTo( _end$1 ); - - } - - geometry.addAttribute( 'lineDistance', new Float32BufferAttribute( lineDistances, 1 ) ); - - } else { - - console.warn( 'THREE.LineSegments.computeLineDistances(): Computation only possible with non-indexed BufferGeometry.' ); - - } - - } else if ( geometry.isGeometry ) { - - var vertices = geometry.vertices; - var lineDistances = geometry.lineDistances; - - for ( var i = 0, l = vertices.length; i < l; i += 2 ) { - - _start$1.copy( vertices[ i ] ); - _end$1.copy( vertices[ i + 1 ] ); - - lineDistances[ i ] = ( i === 0 ) ? 0 : lineDistances[ i - 1 ]; - lineDistances[ i + 1 ] = lineDistances[ i ] + _start$1.distanceTo( _end$1 ); - - } - - } - - return this; - - } - - } ); - - /** - * @author mgreter / http://github.com/mgreter - */ - - function LineLoop( geometry, material ) { - - Line.call( this, geometry, material ); - - this.type = 'LineLoop'; - - } - - LineLoop.prototype = Object.assign( Object.create( Line.prototype ), { - - constructor: LineLoop, - - isLineLoop: true, - - } ); - - /** - * @author mrdoob / http://mrdoob.com/ - * @author alteredq / http://alteredqualia.com/ - * - * parameters = { - * color: , - * opacity: , - * map: new THREE.Texture( ), - * - * size: , - * sizeAttenuation: - * - * morphTargets: - * } - */ - - function PointsMaterial( parameters ) { - - Material.call( this ); - - this.type = 'PointsMaterial'; - - this.color = new Color( 0xffffff ); - - this.map = null; - - this.size = 1; - this.sizeAttenuation = true; - - this.morphTargets = false; - - this.lights = false; - - this.setValues( parameters ); - - } - - PointsMaterial.prototype = Object.create( Material.prototype ); - PointsMaterial.prototype.constructor = PointsMaterial; - - PointsMaterial.prototype.isPointsMaterial = true; - - PointsMaterial.prototype.copy = function ( source ) { - - Material.prototype.copy.call( this, source ); - - this.color.copy( source.color ); - - this.map = source.map; - - this.size = source.size; - this.sizeAttenuation = source.sizeAttenuation; - - this.morphTargets = source.morphTargets; - - return this; - - }; - - /** - * @author alteredq / http://alteredqualia.com/ - */ - - var _inverseMatrix$2 = new Matrix4(); - var _ray$2 = new Ray(); - var _sphere$3 = new Sphere(); - var _position$1 = new Vector3(); - - function Points( geometry, material ) { - - Object3D.call( this ); - - this.type = 'Points'; - - this.geometry = geometry !== undefined ? geometry : new BufferGeometry(); - this.material = material !== undefined ? material : new PointsMaterial( { color: Math.random() * 0xffffff } ); - - this.updateMorphTargets(); - - } - - Points.prototype = Object.assign( Object.create( Object3D.prototype ), { - - constructor: Points, - - isPoints: true, - - raycast: function ( raycaster, intersects ) { - - var geometry = this.geometry; - var matrixWorld = this.matrixWorld; - var threshold = raycaster.params.Points.threshold; - - // Checking boundingSphere distance to ray - - if ( geometry.boundingSphere === null ) geometry.computeBoundingSphere(); - - _sphere$3.copy( geometry.boundingSphere ); - _sphere$3.applyMatrix4( matrixWorld ); - _sphere$3.radius += threshold; - - if ( raycaster.ray.intersectsSphere( _sphere$3 ) === false ) return; - - // - - _inverseMatrix$2.getInverse( matrixWorld ); - _ray$2.copy( raycaster.ray ).applyMatrix4( _inverseMatrix$2 ); - - var localThreshold = threshold / ( ( this.scale.x + this.scale.y + this.scale.z ) / 3 ); - var localThresholdSq = localThreshold * localThreshold; - - if ( geometry.isBufferGeometry ) { - - var index = geometry.index; - var attributes = geometry.attributes; - var positions = attributes.position.array; - - if ( index !== null ) { - - var indices = index.array; - - for ( var i = 0, il = indices.length; i < il; i ++ ) { - - var a = indices[ i ]; - - _position$1.fromArray( positions, a * 3 ); - - testPoint( _position$1, a, localThresholdSq, matrixWorld, raycaster, intersects, this ); - - } - - } else { - - for ( var i = 0, l = positions.length / 3; i < l; i ++ ) { - - _position$1.fromArray( positions, i * 3 ); - - testPoint( _position$1, i, localThresholdSq, matrixWorld, raycaster, intersects, this ); - - } - - } - - } else { - - var vertices = geometry.vertices; - - for ( var i = 0, l = vertices.length; i < l; i ++ ) { - - testPoint( vertices[ i ], i, localThresholdSq, matrixWorld, raycaster, intersects, this ); - - } - - } - - }, - - updateMorphTargets: function () { - - var geometry = this.geometry; - var m, ml, name; - - if ( geometry.isBufferGeometry ) { - - var morphAttributes = geometry.morphAttributes; - var keys = Object.keys( morphAttributes ); - - if ( keys.length > 0 ) { - - var morphAttribute = morphAttributes[ keys[ 0 ] ]; - - if ( morphAttribute !== undefined ) { - - this.morphTargetInfluences = []; - this.morphTargetDictionary = {}; - - for ( m = 0, ml = morphAttribute.length; m < ml; m ++ ) { - - name = morphAttribute[ m ].name || String( m ); - - this.morphTargetInfluences.push( 0 ); - this.morphTargetDictionary[ name ] = m; - - } - - } - - } - - } else { - - var morphTargets = geometry.morphTargets; - - if ( morphTargets !== undefined && morphTargets.length > 0 ) { - - console.error( 'THREE.Points.updateMorphTargets() does not support THREE.Geometry. Use THREE.BufferGeometry instead.' ); - - } - - } - - }, - - clone: function () { - - return new this.constructor( this.geometry, this.material ).copy( this ); - - } - - } ); - - function testPoint( point, index, localThresholdSq, matrixWorld, raycaster, intersects, object ) { - - var rayPointDistanceSq = _ray$2.distanceSqToPoint( point ); - - if ( rayPointDistanceSq < localThresholdSq ) { - - var intersectPoint = new Vector3(); - - _ray$2.closestPointToPoint( point, intersectPoint ); - intersectPoint.applyMatrix4( matrixWorld ); - - var distance = raycaster.ray.origin.distanceTo( intersectPoint ); - - if ( distance < raycaster.near || distance > raycaster.far ) return; - - intersects.push( { - - distance: distance, - distanceToRay: Math.sqrt( rayPointDistanceSq ), - point: intersectPoint, - index: index, - face: null, - object: object - - } ); - - } - - } - - /** - * @author mrdoob / http://mrdoob.com/ - */ - - function VideoTexture( video, mapping, wrapS, wrapT, magFilter, minFilter, format, type, anisotropy ) { - - Texture.call( this, video, mapping, wrapS, wrapT, magFilter, minFilter, format, type, anisotropy ); - - this.format = format !== undefined ? format : RGBFormat; - - this.minFilter = minFilter !== undefined ? minFilter : LinearFilter; - this.magFilter = magFilter !== undefined ? magFilter : LinearFilter; - - this.generateMipmaps = false; - - } - - VideoTexture.prototype = Object.assign( Object.create( Texture.prototype ), { - - constructor: VideoTexture, - - isVideoTexture: true, - - update: function () { - - var video = this.image; - - if ( video.readyState >= video.HAVE_CURRENT_DATA ) { - - this.needsUpdate = true; - - } - - } - - } ); - - /** - * @author alteredq / http://alteredqualia.com/ - */ - - function CompressedTexture( mipmaps, width, height, format, type, mapping, wrapS, wrapT, magFilter, minFilter, anisotropy, encoding ) { - - Texture.call( this, null, mapping, wrapS, wrapT, magFilter, minFilter, format, type, anisotropy, encoding ); - - this.image = { width: width, height: height }; - this.mipmaps = mipmaps; - - // no flipping for cube textures - // (also flipping doesn't work for compressed textures ) - - this.flipY = false; - - // can't generate mipmaps for compressed textures - // mips must be embedded in DDS files - - this.generateMipmaps = false; - - } - - CompressedTexture.prototype = Object.create( Texture.prototype ); - CompressedTexture.prototype.constructor = CompressedTexture; - - CompressedTexture.prototype.isCompressedTexture = true; - - /** - * @author mrdoob / http://mrdoob.com/ - */ - - function CanvasTexture( canvas, mapping, wrapS, wrapT, magFilter, minFilter, format, type, anisotropy ) { - - Texture.call( this, canvas, mapping, wrapS, wrapT, magFilter, minFilter, format, type, anisotropy ); - - this.needsUpdate = true; - - } - - CanvasTexture.prototype = Object.create( Texture.prototype ); - CanvasTexture.prototype.constructor = CanvasTexture; - CanvasTexture.prototype.isCanvasTexture = true; - - /** - * @author Matt DesLauriers / @mattdesl - * @author atix / arthursilber.de - */ - - function DepthTexture( width, height, type, mapping, wrapS, wrapT, magFilter, minFilter, anisotropy, format ) { - - format = format !== undefined ? format : DepthFormat; - - if ( format !== DepthFormat && format !== DepthStencilFormat ) { - - throw new Error( 'DepthTexture format must be either THREE.DepthFormat or THREE.DepthStencilFormat' ); - - } - - if ( type === undefined && format === DepthFormat ) type = UnsignedShortType; - if ( type === undefined && format === DepthStencilFormat ) type = UnsignedInt248Type; - - Texture.call( this, null, mapping, wrapS, wrapT, magFilter, minFilter, format, type, anisotropy ); - - this.image = { width: width, height: height }; - - this.magFilter = magFilter !== undefined ? magFilter : NearestFilter; - this.minFilter = minFilter !== undefined ? minFilter : NearestFilter; - - this.flipY = false; - this.generateMipmaps = false; - - } - - DepthTexture.prototype = Object.create( Texture.prototype ); - DepthTexture.prototype.constructor = DepthTexture; - DepthTexture.prototype.isDepthTexture = true; - - /** - * @author mrdoob / http://mrdoob.com/ - * @author Mugen87 / https://github.com/Mugen87 - */ - - function WireframeGeometry( geometry ) { - - BufferGeometry.call( this ); - - this.type = 'WireframeGeometry'; - - // buffer - - var vertices = []; - - // helper variables - - var i, j, l, o, ol; - var edge = [ 0, 0 ], edges = {}, e, edge1, edge2; - var key, keys = [ 'a', 'b', 'c' ]; - var vertex; - - // different logic for Geometry and BufferGeometry - - if ( geometry && geometry.isGeometry ) { - - // create a data structure that contains all edges without duplicates - - var faces = geometry.faces; - - for ( i = 0, l = faces.length; i < l; i ++ ) { - - var face = faces[ i ]; - - for ( j = 0; j < 3; j ++ ) { - - edge1 = face[ keys[ j ] ]; - edge2 = face[ keys[ ( j + 1 ) % 3 ] ]; - edge[ 0 ] = Math.min( edge1, edge2 ); // sorting prevents duplicates - edge[ 1 ] = Math.max( edge1, edge2 ); - - key = edge[ 0 ] + ',' + edge[ 1 ]; - - if ( edges[ key ] === undefined ) { - - edges[ key ] = { index1: edge[ 0 ], index2: edge[ 1 ] }; - - } - - } - - } - - // generate vertices - - for ( key in edges ) { - - e = edges[ key ]; - - vertex = geometry.vertices[ e.index1 ]; - vertices.push( vertex.x, vertex.y, vertex.z ); - - vertex = geometry.vertices[ e.index2 ]; - vertices.push( vertex.x, vertex.y, vertex.z ); - - } - - } else if ( geometry && geometry.isBufferGeometry ) { - - var position, indices, groups; - var group, start, count; - var index1, index2; - - vertex = new Vector3(); - - if ( geometry.index !== null ) { - - // indexed BufferGeometry - - position = geometry.attributes.position; - indices = geometry.index; - groups = geometry.groups; - - if ( groups.length === 0 ) { - - groups = [ { start: 0, count: indices.count, materialIndex: 0 } ]; - - } - - // create a data structure that contains all eges without duplicates - - for ( o = 0, ol = groups.length; o < ol; ++ o ) { - - group = groups[ o ]; - - start = group.start; - count = group.count; - - for ( i = start, l = ( start + count ); i < l; i += 3 ) { - - for ( j = 0; j < 3; j ++ ) { - - edge1 = indices.getX( i + j ); - edge2 = indices.getX( i + ( j + 1 ) % 3 ); - edge[ 0 ] = Math.min( edge1, edge2 ); // sorting prevents duplicates - edge[ 1 ] = Math.max( edge1, edge2 ); - - key = edge[ 0 ] + ',' + edge[ 1 ]; - - if ( edges[ key ] === undefined ) { - - edges[ key ] = { index1: edge[ 0 ], index2: edge[ 1 ] }; - - } - - } - - } - - } - - // generate vertices - - for ( key in edges ) { - - e = edges[ key ]; - - vertex.fromBufferAttribute( position, e.index1 ); - vertices.push( vertex.x, vertex.y, vertex.z ); - - vertex.fromBufferAttribute( position, e.index2 ); - vertices.push( vertex.x, vertex.y, vertex.z ); - - } - - } else { - - // non-indexed BufferGeometry - - position = geometry.attributes.position; - - for ( i = 0, l = ( position.count / 3 ); i < l; i ++ ) { - - for ( j = 0; j < 3; j ++ ) { - - // three edges per triangle, an edge is represented as (index1, index2) - // e.g. the first triangle has the following edges: (0,1),(1,2),(2,0) - - index1 = 3 * i + j; - vertex.fromBufferAttribute( position, index1 ); - vertices.push( vertex.x, vertex.y, vertex.z ); - - index2 = 3 * i + ( ( j + 1 ) % 3 ); - vertex.fromBufferAttribute( position, index2 ); - vertices.push( vertex.x, vertex.y, vertex.z ); - - } - - } - - } - - } - - // build geometry - - this.addAttribute( 'position', new Float32BufferAttribute( vertices, 3 ) ); - - } - - WireframeGeometry.prototype = Object.create( BufferGeometry.prototype ); - WireframeGeometry.prototype.constructor = WireframeGeometry; - - /** - * @author zz85 / https://github.com/zz85 - * @author Mugen87 / https://github.com/Mugen87 - * - * Parametric Surfaces Geometry - * based on the brilliant article by @prideout http://prideout.net/blog/?p=44 - */ - - // ParametricGeometry - - function ParametricGeometry( func, slices, stacks ) { - - Geometry.call( this ); - - this.type = 'ParametricGeometry'; - - this.parameters = { - func: func, - slices: slices, - stacks: stacks - }; - - this.fromBufferGeometry( new ParametricBufferGeometry( func, slices, stacks ) ); - this.mergeVertices(); - - } - - ParametricGeometry.prototype = Object.create( Geometry.prototype ); - ParametricGeometry.prototype.constructor = ParametricGeometry; - - // ParametricBufferGeometry - - function ParametricBufferGeometry( func, slices, stacks ) { - - BufferGeometry.call( this ); - - this.type = 'ParametricBufferGeometry'; - - this.parameters = { - func: func, - slices: slices, - stacks: stacks - }; - - // buffers - - var indices = []; - var vertices = []; - var normals = []; - var uvs = []; - - var EPS = 0.00001; - - var normal = new Vector3(); - - var p0 = new Vector3(), p1 = new Vector3(); - var pu = new Vector3(), pv = new Vector3(); - - var i, j; - - if ( func.length < 3 ) { - - console.error( 'THREE.ParametricGeometry: Function must now modify a Vector3 as third parameter.' ); - - } - - // generate vertices, normals and uvs - - var sliceCount = slices + 1; - - for ( i = 0; i <= stacks; i ++ ) { - - var v = i / stacks; - - for ( j = 0; j <= slices; j ++ ) { - - var u = j / slices; - - // vertex - - func( u, v, p0 ); - vertices.push( p0.x, p0.y, p0.z ); - - // normal - - // approximate tangent vectors via finite differences - - if ( u - EPS >= 0 ) { - - func( u - EPS, v, p1 ); - pu.subVectors( p0, p1 ); - - } else { - - func( u + EPS, v, p1 ); - pu.subVectors( p1, p0 ); - - } - - if ( v - EPS >= 0 ) { - - func( u, v - EPS, p1 ); - pv.subVectors( p0, p1 ); - - } else { - - func( u, v + EPS, p1 ); - pv.subVectors( p1, p0 ); - - } - - // cross product of tangent vectors returns surface normal - - normal.crossVectors( pu, pv ).normalize(); - normals.push( normal.x, normal.y, normal.z ); - - // uv - - uvs.push( u, v ); - - } - - } - - // generate indices - - for ( i = 0; i < stacks; i ++ ) { - - for ( j = 0; j < slices; j ++ ) { - - var a = i * sliceCount + j; - var b = i * sliceCount + j + 1; - var c = ( i + 1 ) * sliceCount + j + 1; - var d = ( i + 1 ) * sliceCount + j; - - // faces one and two - - indices.push( a, b, d ); - indices.push( b, c, d ); - - } - - } - - // build geometry - - this.setIndex( indices ); - this.addAttribute( 'position', new Float32BufferAttribute( vertices, 3 ) ); - this.addAttribute( 'normal', new Float32BufferAttribute( normals, 3 ) ); - this.addAttribute( 'uv', new Float32BufferAttribute( uvs, 2 ) ); - - } - - ParametricBufferGeometry.prototype = Object.create( BufferGeometry.prototype ); - ParametricBufferGeometry.prototype.constructor = ParametricBufferGeometry; - - /** - * @author clockworkgeek / https://github.com/clockworkgeek - * @author timothypratley / https://github.com/timothypratley - * @author WestLangley / http://github.com/WestLangley - * @author Mugen87 / https://github.com/Mugen87 - */ - - // PolyhedronGeometry - - function PolyhedronGeometry( vertices, indices, radius, detail ) { - - Geometry.call( this ); - - this.type = 'PolyhedronGeometry'; - - this.parameters = { - vertices: vertices, - indices: indices, - radius: radius, - detail: detail - }; - - this.fromBufferGeometry( new PolyhedronBufferGeometry( vertices, indices, radius, detail ) ); - this.mergeVertices(); - - } - - PolyhedronGeometry.prototype = Object.create( Geometry.prototype ); - PolyhedronGeometry.prototype.constructor = PolyhedronGeometry; - - // PolyhedronBufferGeometry - - function PolyhedronBufferGeometry( vertices, indices, radius, detail ) { - - BufferGeometry.call( this ); - - this.type = 'PolyhedronBufferGeometry'; - - this.parameters = { - vertices: vertices, - indices: indices, - radius: radius, - detail: detail - }; - - radius = radius || 1; - detail = detail || 0; - - // default buffer data - - var vertexBuffer = []; - var uvBuffer = []; - - // the subdivision creates the vertex buffer data - - subdivide( detail ); - - // all vertices should lie on a conceptual sphere with a given radius - - applyRadius( radius ); - - // finally, create the uv data - - generateUVs(); - - // build non-indexed geometry - - this.addAttribute( 'position', new Float32BufferAttribute( vertexBuffer, 3 ) ); - this.addAttribute( 'normal', new Float32BufferAttribute( vertexBuffer.slice(), 3 ) ); - this.addAttribute( 'uv', new Float32BufferAttribute( uvBuffer, 2 ) ); - - if ( detail === 0 ) { - - this.computeVertexNormals(); // flat normals - - } else { - - this.normalizeNormals(); // smooth normals - - } - - // helper functions - - function subdivide( detail ) { - - var a = new Vector3(); - var b = new Vector3(); - var c = new Vector3(); - - // iterate over all faces and apply a subdivison with the given detail value - - for ( var i = 0; i < indices.length; i += 3 ) { - - // get the vertices of the face - - getVertexByIndex( indices[ i + 0 ], a ); - getVertexByIndex( indices[ i + 1 ], b ); - getVertexByIndex( indices[ i + 2 ], c ); - - // perform subdivision - - subdivideFace( a, b, c, detail ); - - } - - } - - function subdivideFace( a, b, c, detail ) { - - var cols = Math.pow( 2, detail ); - - // we use this multidimensional array as a data structure for creating the subdivision - - var v = []; - - var i, j; - - // construct all of the vertices for this subdivision - - for ( i = 0; i <= cols; i ++ ) { - - v[ i ] = []; - - var aj = a.clone().lerp( c, i / cols ); - var bj = b.clone().lerp( c, i / cols ); - - var rows = cols - i; - - for ( j = 0; j <= rows; j ++ ) { - - if ( j === 0 && i === cols ) { - - v[ i ][ j ] = aj; - - } else { - - v[ i ][ j ] = aj.clone().lerp( bj, j / rows ); - - } - - } - - } - - // construct all of the faces - - for ( i = 0; i < cols; i ++ ) { - - for ( j = 0; j < 2 * ( cols - i ) - 1; j ++ ) { - - var k = Math.floor( j / 2 ); - - if ( j % 2 === 0 ) { - - pushVertex( v[ i ][ k + 1 ] ); - pushVertex( v[ i + 1 ][ k ] ); - pushVertex( v[ i ][ k ] ); - - } else { - - pushVertex( v[ i ][ k + 1 ] ); - pushVertex( v[ i + 1 ][ k + 1 ] ); - pushVertex( v[ i + 1 ][ k ] ); - - } - - } - - } - - } - - function applyRadius( radius ) { - - var vertex = new Vector3(); - - // iterate over the entire buffer and apply the radius to each vertex - - for ( var i = 0; i < vertexBuffer.length; i += 3 ) { - - vertex.x = vertexBuffer[ i + 0 ]; - vertex.y = vertexBuffer[ i + 1 ]; - vertex.z = vertexBuffer[ i + 2 ]; - - vertex.normalize().multiplyScalar( radius ); - - vertexBuffer[ i + 0 ] = vertex.x; - vertexBuffer[ i + 1 ] = vertex.y; - vertexBuffer[ i + 2 ] = vertex.z; - - } - - } - - function generateUVs() { - - var vertex = new Vector3(); - - for ( var i = 0; i < vertexBuffer.length; i += 3 ) { - - vertex.x = vertexBuffer[ i + 0 ]; - vertex.y = vertexBuffer[ i + 1 ]; - vertex.z = vertexBuffer[ i + 2 ]; - - var u = azimuth( vertex ) / 2 / Math.PI + 0.5; - var v = inclination( vertex ) / Math.PI + 0.5; - uvBuffer.push( u, 1 - v ); - - } - - correctUVs(); - - correctSeam(); - - } - - function correctSeam() { - - // handle case when face straddles the seam, see #3269 - - for ( var i = 0; i < uvBuffer.length; i += 6 ) { - - // uv data of a single face - - var x0 = uvBuffer[ i + 0 ]; - var x1 = uvBuffer[ i + 2 ]; - var x2 = uvBuffer[ i + 4 ]; - - var max = Math.max( x0, x1, x2 ); - var min = Math.min( x0, x1, x2 ); - - // 0.9 is somewhat arbitrary - - if ( max > 0.9 && min < 0.1 ) { - - if ( x0 < 0.2 ) uvBuffer[ i + 0 ] += 1; - if ( x1 < 0.2 ) uvBuffer[ i + 2 ] += 1; - if ( x2 < 0.2 ) uvBuffer[ i + 4 ] += 1; - - } - - } - - } - - function pushVertex( vertex ) { - - vertexBuffer.push( vertex.x, vertex.y, vertex.z ); - - } - - function getVertexByIndex( index, vertex ) { - - var stride = index * 3; - - vertex.x = vertices[ stride + 0 ]; - vertex.y = vertices[ stride + 1 ]; - vertex.z = vertices[ stride + 2 ]; - - } - - function correctUVs() { - - var a = new Vector3(); - var b = new Vector3(); - var c = new Vector3(); - - var centroid = new Vector3(); - - var uvA = new Vector2(); - var uvB = new Vector2(); - var uvC = new Vector2(); - - for ( var i = 0, j = 0; i < vertexBuffer.length; i += 9, j += 6 ) { - - a.set( vertexBuffer[ i + 0 ], vertexBuffer[ i + 1 ], vertexBuffer[ i + 2 ] ); - b.set( vertexBuffer[ i + 3 ], vertexBuffer[ i + 4 ], vertexBuffer[ i + 5 ] ); - c.set( vertexBuffer[ i + 6 ], vertexBuffer[ i + 7 ], vertexBuffer[ i + 8 ] ); - - uvA.set( uvBuffer[ j + 0 ], uvBuffer[ j + 1 ] ); - uvB.set( uvBuffer[ j + 2 ], uvBuffer[ j + 3 ] ); - uvC.set( uvBuffer[ j + 4 ], uvBuffer[ j + 5 ] ); - - centroid.copy( a ).add( b ).add( c ).divideScalar( 3 ); - - var azi = azimuth( centroid ); - - correctUV( uvA, j + 0, a, azi ); - correctUV( uvB, j + 2, b, azi ); - correctUV( uvC, j + 4, c, azi ); - - } - - } - - function correctUV( uv, stride, vector, azimuth ) { - - if ( ( azimuth < 0 ) && ( uv.x === 1 ) ) { - - uvBuffer[ stride ] = uv.x - 1; - - } - - if ( ( vector.x === 0 ) && ( vector.z === 0 ) ) { - - uvBuffer[ stride ] = azimuth / 2 / Math.PI + 0.5; - - } - - } - - // Angle around the Y axis, counter-clockwise when looking from above. - - function azimuth( vector ) { - - return Math.atan2( vector.z, - vector.x ); - - } - - - // Angle above the XZ plane. - - function inclination( vector ) { - - return Math.atan2( - vector.y, Math.sqrt( ( vector.x * vector.x ) + ( vector.z * vector.z ) ) ); - - } - - } - - PolyhedronBufferGeometry.prototype = Object.create( BufferGeometry.prototype ); - PolyhedronBufferGeometry.prototype.constructor = PolyhedronBufferGeometry; - - /** - * @author timothypratley / https://github.com/timothypratley - * @author Mugen87 / https://github.com/Mugen87 - */ - - // TetrahedronGeometry - - function TetrahedronGeometry( radius, detail ) { - - Geometry.call( this ); - - this.type = 'TetrahedronGeometry'; - - this.parameters = { - radius: radius, - detail: detail - }; - - this.fromBufferGeometry( new TetrahedronBufferGeometry( radius, detail ) ); - this.mergeVertices(); - - } - - TetrahedronGeometry.prototype = Object.create( Geometry.prototype ); - TetrahedronGeometry.prototype.constructor = TetrahedronGeometry; - - // TetrahedronBufferGeometry - - function TetrahedronBufferGeometry( radius, detail ) { - - var vertices = [ - 1, 1, 1, - 1, - 1, 1, - 1, 1, - 1, 1, - 1, - 1 - ]; - - var indices = [ - 2, 1, 0, 0, 3, 2, 1, 3, 0, 2, 3, 1 - ]; - - PolyhedronBufferGeometry.call( this, vertices, indices, radius, detail ); - - this.type = 'TetrahedronBufferGeometry'; - - this.parameters = { - radius: radius, - detail: detail - }; - - } - - TetrahedronBufferGeometry.prototype = Object.create( PolyhedronBufferGeometry.prototype ); - TetrahedronBufferGeometry.prototype.constructor = TetrahedronBufferGeometry; - - /** - * @author timothypratley / https://github.com/timothypratley - * @author Mugen87 / https://github.com/Mugen87 - */ - - // OctahedronGeometry - - function OctahedronGeometry( radius, detail ) { - - Geometry.call( this ); - - this.type = 'OctahedronGeometry'; - - this.parameters = { - radius: radius, - detail: detail - }; - - this.fromBufferGeometry( new OctahedronBufferGeometry( radius, detail ) ); - this.mergeVertices(); - - } - - OctahedronGeometry.prototype = Object.create( Geometry.prototype ); - OctahedronGeometry.prototype.constructor = OctahedronGeometry; - - // OctahedronBufferGeometry - - function OctahedronBufferGeometry( radius, detail ) { - - var vertices = [ - 1, 0, 0, - 1, 0, 0, 0, 1, 0, - 0, - 1, 0, 0, 0, 1, 0, 0, - 1 - ]; - - var indices = [ - 0, 2, 4, 0, 4, 3, 0, 3, 5, - 0, 5, 2, 1, 2, 5, 1, 5, 3, - 1, 3, 4, 1, 4, 2 - ]; - - PolyhedronBufferGeometry.call( this, vertices, indices, radius, detail ); - - this.type = 'OctahedronBufferGeometry'; - - this.parameters = { - radius: radius, - detail: detail - }; - - } - - OctahedronBufferGeometry.prototype = Object.create( PolyhedronBufferGeometry.prototype ); - OctahedronBufferGeometry.prototype.constructor = OctahedronBufferGeometry; - - /** - * @author timothypratley / https://github.com/timothypratley - * @author Mugen87 / https://github.com/Mugen87 - */ - - // IcosahedronGeometry - - function IcosahedronGeometry( radius, detail ) { - - Geometry.call( this ); - - this.type = 'IcosahedronGeometry'; - - this.parameters = { - radius: radius, - detail: detail - }; - - this.fromBufferGeometry( new IcosahedronBufferGeometry( radius, detail ) ); - this.mergeVertices(); - - } - - IcosahedronGeometry.prototype = Object.create( Geometry.prototype ); - IcosahedronGeometry.prototype.constructor = IcosahedronGeometry; - - // IcosahedronBufferGeometry - - function IcosahedronBufferGeometry( radius, detail ) { - - var t = ( 1 + Math.sqrt( 5 ) ) / 2; - - var vertices = [ - - 1, t, 0, 1, t, 0, - 1, - t, 0, 1, - t, 0, - 0, - 1, t, 0, 1, t, 0, - 1, - t, 0, 1, - t, - t, 0, - 1, t, 0, 1, - t, 0, - 1, - t, 0, 1 - ]; - - var indices = [ - 0, 11, 5, 0, 5, 1, 0, 1, 7, 0, 7, 10, 0, 10, 11, - 1, 5, 9, 5, 11, 4, 11, 10, 2, 10, 7, 6, 7, 1, 8, - 3, 9, 4, 3, 4, 2, 3, 2, 6, 3, 6, 8, 3, 8, 9, - 4, 9, 5, 2, 4, 11, 6, 2, 10, 8, 6, 7, 9, 8, 1 - ]; - - PolyhedronBufferGeometry.call( this, vertices, indices, radius, detail ); - - this.type = 'IcosahedronBufferGeometry'; - - this.parameters = { - radius: radius, - detail: detail - }; - - } - - IcosahedronBufferGeometry.prototype = Object.create( PolyhedronBufferGeometry.prototype ); - IcosahedronBufferGeometry.prototype.constructor = IcosahedronBufferGeometry; - - /** - * @author Abe Pazos / https://hamoid.com - * @author Mugen87 / https://github.com/Mugen87 - */ - - // DodecahedronGeometry - - function DodecahedronGeometry( radius, detail ) { - - Geometry.call( this ); - - this.type = 'DodecahedronGeometry'; - - this.parameters = { - radius: radius, - detail: detail - }; - - this.fromBufferGeometry( new DodecahedronBufferGeometry( radius, detail ) ); - this.mergeVertices(); - - } - - DodecahedronGeometry.prototype = Object.create( Geometry.prototype ); - DodecahedronGeometry.prototype.constructor = DodecahedronGeometry; - - // DodecahedronBufferGeometry - - function DodecahedronBufferGeometry( radius, detail ) { - - var t = ( 1 + Math.sqrt( 5 ) ) / 2; - var r = 1 / t; - - var vertices = [ - - // (±1, ±1, ±1) - - 1, - 1, - 1, - 1, - 1, 1, - - 1, 1, - 1, - 1, 1, 1, - 1, - 1, - 1, 1, - 1, 1, - 1, 1, - 1, 1, 1, 1, - - // (0, ±1/φ, ±φ) - 0, - r, - t, 0, - r, t, - 0, r, - t, 0, r, t, - - // (±1/φ, ±φ, 0) - - r, - t, 0, - r, t, 0, - r, - t, 0, r, t, 0, - - // (±φ, 0, ±1/φ) - - t, 0, - r, t, 0, - r, - - t, 0, r, t, 0, r - ]; - - var indices = [ - 3, 11, 7, 3, 7, 15, 3, 15, 13, - 7, 19, 17, 7, 17, 6, 7, 6, 15, - 17, 4, 8, 17, 8, 10, 17, 10, 6, - 8, 0, 16, 8, 16, 2, 8, 2, 10, - 0, 12, 1, 0, 1, 18, 0, 18, 16, - 6, 10, 2, 6, 2, 13, 6, 13, 15, - 2, 16, 18, 2, 18, 3, 2, 3, 13, - 18, 1, 9, 18, 9, 11, 18, 11, 3, - 4, 14, 12, 4, 12, 0, 4, 0, 8, - 11, 9, 5, 11, 5, 19, 11, 19, 7, - 19, 5, 14, 19, 14, 4, 19, 4, 17, - 1, 12, 14, 1, 14, 5, 1, 5, 9 - ]; - - PolyhedronBufferGeometry.call( this, vertices, indices, radius, detail ); - - this.type = 'DodecahedronBufferGeometry'; - - this.parameters = { - radius: radius, - detail: detail - }; - - } - - DodecahedronBufferGeometry.prototype = Object.create( PolyhedronBufferGeometry.prototype ); - DodecahedronBufferGeometry.prototype.constructor = DodecahedronBufferGeometry; - - /** - * @author oosmoxiecode / https://github.com/oosmoxiecode - * @author WestLangley / https://github.com/WestLangley - * @author zz85 / https://github.com/zz85 - * @author miningold / https://github.com/miningold - * @author jonobr1 / https://github.com/jonobr1 - * @author Mugen87 / https://github.com/Mugen87 - * - */ - - // TubeGeometry - - function TubeGeometry( path, tubularSegments, radius, radialSegments, closed, taper ) { - - Geometry.call( this ); - - this.type = 'TubeGeometry'; - - this.parameters = { - path: path, - tubularSegments: tubularSegments, - radius: radius, - radialSegments: radialSegments, - closed: closed - }; - - if ( taper !== undefined ) console.warn( 'THREE.TubeGeometry: taper has been removed.' ); - - var bufferGeometry = new TubeBufferGeometry( path, tubularSegments, radius, radialSegments, closed ); - - // expose internals - - this.tangents = bufferGeometry.tangents; - this.normals = bufferGeometry.normals; - this.binormals = bufferGeometry.binormals; - - // create geometry - - this.fromBufferGeometry( bufferGeometry ); - this.mergeVertices(); - - } - - TubeGeometry.prototype = Object.create( Geometry.prototype ); - TubeGeometry.prototype.constructor = TubeGeometry; - - // TubeBufferGeometry - - function TubeBufferGeometry( path, tubularSegments, radius, radialSegments, closed ) { - - BufferGeometry.call( this ); - - this.type = 'TubeBufferGeometry'; - - this.parameters = { - path: path, - tubularSegments: tubularSegments, - radius: radius, - radialSegments: radialSegments, - closed: closed - }; - - tubularSegments = tubularSegments || 64; - radius = radius || 1; - radialSegments = radialSegments || 8; - closed = closed || false; - - var frames = path.computeFrenetFrames( tubularSegments, closed ); - - // expose internals - - this.tangents = frames.tangents; - this.normals = frames.normals; - this.binormals = frames.binormals; - - // helper variables - - var vertex = new Vector3(); - var normal = new Vector3(); - var uv = new Vector2(); - var P = new Vector3(); - - var i, j; - - // buffer - - var vertices = []; - var normals = []; - var uvs = []; - var indices = []; - - // create buffer data - - generateBufferData(); - - // build geometry - - this.setIndex( indices ); - this.addAttribute( 'position', new Float32BufferAttribute( vertices, 3 ) ); - this.addAttribute( 'normal', new Float32BufferAttribute( normals, 3 ) ); - this.addAttribute( 'uv', new Float32BufferAttribute( uvs, 2 ) ); - - // functions - - function generateBufferData() { - - for ( i = 0; i < tubularSegments; i ++ ) { - - generateSegment( i ); - - } - - // if the geometry is not closed, generate the last row of vertices and normals - // at the regular position on the given path - // - // if the geometry is closed, duplicate the first row of vertices and normals (uvs will differ) - - generateSegment( ( closed === false ) ? tubularSegments : 0 ); - - // uvs are generated in a separate function. - // this makes it easy compute correct values for closed geometries - - generateUVs(); - - // finally create faces - - generateIndices(); - - } - - function generateSegment( i ) { - - // we use getPointAt to sample evenly distributed points from the given path - - P = path.getPointAt( i / tubularSegments, P ); - - // retrieve corresponding normal and binormal - - var N = frames.normals[ i ]; - var B = frames.binormals[ i ]; - - // generate normals and vertices for the current segment - - for ( j = 0; j <= radialSegments; j ++ ) { - - var v = j / radialSegments * Math.PI * 2; - - var sin = Math.sin( v ); - var cos = - Math.cos( v ); - - // normal - - normal.x = ( cos * N.x + sin * B.x ); - normal.y = ( cos * N.y + sin * B.y ); - normal.z = ( cos * N.z + sin * B.z ); - normal.normalize(); - - normals.push( normal.x, normal.y, normal.z ); - - // vertex - - vertex.x = P.x + radius * normal.x; - vertex.y = P.y + radius * normal.y; - vertex.z = P.z + radius * normal.z; - - vertices.push( vertex.x, vertex.y, vertex.z ); - - } - - } - - function generateIndices() { - - for ( j = 1; j <= tubularSegments; j ++ ) { - - for ( i = 1; i <= radialSegments; i ++ ) { - - var a = ( radialSegments + 1 ) * ( j - 1 ) + ( i - 1 ); - var b = ( radialSegments + 1 ) * j + ( i - 1 ); - var c = ( radialSegments + 1 ) * j + i; - var d = ( radialSegments + 1 ) * ( j - 1 ) + i; - - // faces - - indices.push( a, b, d ); - indices.push( b, c, d ); - - } - - } - - } - - function generateUVs() { - - for ( i = 0; i <= tubularSegments; i ++ ) { - - for ( j = 0; j <= radialSegments; j ++ ) { - - uv.x = i / tubularSegments; - uv.y = j / radialSegments; - - uvs.push( uv.x, uv.y ); - - } - - } - - } - - } - - TubeBufferGeometry.prototype = Object.create( BufferGeometry.prototype ); - TubeBufferGeometry.prototype.constructor = TubeBufferGeometry; - - TubeBufferGeometry.prototype.toJSON = function () { - - var data = BufferGeometry.prototype.toJSON.call( this ); - - data.path = this.parameters.path.toJSON(); - - return data; - - }; - - /** - * @author oosmoxiecode - * @author Mugen87 / https://github.com/Mugen87 - * - * based on http://www.blackpawn.com/texts/pqtorus/ - */ - - // TorusKnotGeometry - - function TorusKnotGeometry( radius, tube, tubularSegments, radialSegments, p, q, heightScale ) { - - Geometry.call( this ); - - this.type = 'TorusKnotGeometry'; - - this.parameters = { - radius: radius, - tube: tube, - tubularSegments: tubularSegments, - radialSegments: radialSegments, - p: p, - q: q - }; - - if ( heightScale !== undefined ) console.warn( 'THREE.TorusKnotGeometry: heightScale has been deprecated. Use .scale( x, y, z ) instead.' ); - - this.fromBufferGeometry( new TorusKnotBufferGeometry( radius, tube, tubularSegments, radialSegments, p, q ) ); - this.mergeVertices(); - - } - - TorusKnotGeometry.prototype = Object.create( Geometry.prototype ); - TorusKnotGeometry.prototype.constructor = TorusKnotGeometry; - - // TorusKnotBufferGeometry - - function TorusKnotBufferGeometry( radius, tube, tubularSegments, radialSegments, p, q ) { - - BufferGeometry.call( this ); - - this.type = 'TorusKnotBufferGeometry'; - - this.parameters = { - radius: radius, - tube: tube, - tubularSegments: tubularSegments, - radialSegments: radialSegments, - p: p, - q: q - }; - - radius = radius || 1; - tube = tube || 0.4; - tubularSegments = Math.floor( tubularSegments ) || 64; - radialSegments = Math.floor( radialSegments ) || 8; - p = p || 2; - q = q || 3; - - // buffers - - var indices = []; - var vertices = []; - var normals = []; - var uvs = []; - - // helper variables - - var i, j; - - var vertex = new Vector3(); - var normal = new Vector3(); - - var P1 = new Vector3(); - var P2 = new Vector3(); - - var B = new Vector3(); - var T = new Vector3(); - var N = new Vector3(); - - // generate vertices, normals and uvs - - for ( i = 0; i <= tubularSegments; ++ i ) { - - // the radian "u" is used to calculate the position on the torus curve of the current tubular segement - - var u = i / tubularSegments * p * Math.PI * 2; - - // now we calculate two points. P1 is our current position on the curve, P2 is a little farther ahead. - // these points are used to create a special "coordinate space", which is necessary to calculate the correct vertex positions - - calculatePositionOnCurve( u, p, q, radius, P1 ); - calculatePositionOnCurve( u + 0.01, p, q, radius, P2 ); - - // calculate orthonormal basis - - T.subVectors( P2, P1 ); - N.addVectors( P2, P1 ); - B.crossVectors( T, N ); - N.crossVectors( B, T ); - - // normalize B, N. T can be ignored, we don't use it - - B.normalize(); - N.normalize(); - - for ( j = 0; j <= radialSegments; ++ j ) { - - // now calculate the vertices. they are nothing more than an extrusion of the torus curve. - // because we extrude a shape in the xy-plane, there is no need to calculate a z-value. - - var v = j / radialSegments * Math.PI * 2; - var cx = - tube * Math.cos( v ); - var cy = tube * Math.sin( v ); - - // now calculate the final vertex position. - // first we orient the extrusion with our basis vectos, then we add it to the current position on the curve - - vertex.x = P1.x + ( cx * N.x + cy * B.x ); - vertex.y = P1.y + ( cx * N.y + cy * B.y ); - vertex.z = P1.z + ( cx * N.z + cy * B.z ); - - vertices.push( vertex.x, vertex.y, vertex.z ); - - // normal (P1 is always the center/origin of the extrusion, thus we can use it to calculate the normal) - - normal.subVectors( vertex, P1 ).normalize(); - - normals.push( normal.x, normal.y, normal.z ); - - // uv - - uvs.push( i / tubularSegments ); - uvs.push( j / radialSegments ); - - } - - } - - // generate indices - - for ( j = 1; j <= tubularSegments; j ++ ) { - - for ( i = 1; i <= radialSegments; i ++ ) { - - // indices - - var a = ( radialSegments + 1 ) * ( j - 1 ) + ( i - 1 ); - var b = ( radialSegments + 1 ) * j + ( i - 1 ); - var c = ( radialSegments + 1 ) * j + i; - var d = ( radialSegments + 1 ) * ( j - 1 ) + i; - - // faces - - indices.push( a, b, d ); - indices.push( b, c, d ); - - } - - } - - // build geometry - - this.setIndex( indices ); - this.addAttribute( 'position', new Float32BufferAttribute( vertices, 3 ) ); - this.addAttribute( 'normal', new Float32BufferAttribute( normals, 3 ) ); - this.addAttribute( 'uv', new Float32BufferAttribute( uvs, 2 ) ); - - // this function calculates the current position on the torus curve - - function calculatePositionOnCurve( u, p, q, radius, position ) { - - var cu = Math.cos( u ); - var su = Math.sin( u ); - var quOverP = q / p * u; - var cs = Math.cos( quOverP ); - - position.x = radius * ( 2 + cs ) * 0.5 * cu; - position.y = radius * ( 2 + cs ) * su * 0.5; - position.z = radius * Math.sin( quOverP ) * 0.5; - - } - - } - - TorusKnotBufferGeometry.prototype = Object.create( BufferGeometry.prototype ); - TorusKnotBufferGeometry.prototype.constructor = TorusKnotBufferGeometry; - - /** - * @author oosmoxiecode - * @author mrdoob / http://mrdoob.com/ - * @author Mugen87 / https://github.com/Mugen87 - */ - - // TorusGeometry - - function TorusGeometry( radius, tube, radialSegments, tubularSegments, arc ) { - - Geometry.call( this ); - - this.type = 'TorusGeometry'; - - this.parameters = { - radius: radius, - tube: tube, - radialSegments: radialSegments, - tubularSegments: tubularSegments, - arc: arc - }; - - this.fromBufferGeometry( new TorusBufferGeometry( radius, tube, radialSegments, tubularSegments, arc ) ); - this.mergeVertices(); - - } - - TorusGeometry.prototype = Object.create( Geometry.prototype ); - TorusGeometry.prototype.constructor = TorusGeometry; - - // TorusBufferGeometry - - function TorusBufferGeometry( radius, tube, radialSegments, tubularSegments, arc ) { - - BufferGeometry.call( this ); - - this.type = 'TorusBufferGeometry'; - - this.parameters = { - radius: radius, - tube: tube, - radialSegments: radialSegments, - tubularSegments: tubularSegments, - arc: arc - }; - - radius = radius || 1; - tube = tube || 0.4; - radialSegments = Math.floor( radialSegments ) || 8; - tubularSegments = Math.floor( tubularSegments ) || 6; - arc = arc || Math.PI * 2; - - // buffers - - var indices = []; - var vertices = []; - var normals = []; - var uvs = []; - - // helper variables - - var center = new Vector3(); - var vertex = new Vector3(); - var normal = new Vector3(); - - var j, i; - - // generate vertices, normals and uvs - - for ( j = 0; j <= radialSegments; j ++ ) { - - for ( i = 0; i <= tubularSegments; i ++ ) { - - var u = i / tubularSegments * arc; - var v = j / radialSegments * Math.PI * 2; - - // vertex - - vertex.x = ( radius + tube * Math.cos( v ) ) * Math.cos( u ); - vertex.y = ( radius + tube * Math.cos( v ) ) * Math.sin( u ); - vertex.z = tube * Math.sin( v ); - - vertices.push( vertex.x, vertex.y, vertex.z ); - - // normal - - center.x = radius * Math.cos( u ); - center.y = radius * Math.sin( u ); - normal.subVectors( vertex, center ).normalize(); - - normals.push( normal.x, normal.y, normal.z ); - - // uv - - uvs.push( i / tubularSegments ); - uvs.push( j / radialSegments ); - - } - - } - - // generate indices - - for ( j = 1; j <= radialSegments; j ++ ) { - - for ( i = 1; i <= tubularSegments; i ++ ) { - - // indices - - var a = ( tubularSegments + 1 ) * j + i - 1; - var b = ( tubularSegments + 1 ) * ( j - 1 ) + i - 1; - var c = ( tubularSegments + 1 ) * ( j - 1 ) + i; - var d = ( tubularSegments + 1 ) * j + i; - - // faces - - indices.push( a, b, d ); - indices.push( b, c, d ); - - } - - } - - // build geometry - - this.setIndex( indices ); - this.addAttribute( 'position', new Float32BufferAttribute( vertices, 3 ) ); - this.addAttribute( 'normal', new Float32BufferAttribute( normals, 3 ) ); - this.addAttribute( 'uv', new Float32BufferAttribute( uvs, 2 ) ); - - } - - TorusBufferGeometry.prototype = Object.create( BufferGeometry.prototype ); - TorusBufferGeometry.prototype.constructor = TorusBufferGeometry; - - /** - * @author Mugen87 / https://github.com/Mugen87 - * Port from https://github.com/mapbox/earcut (v2.1.5) - */ - - var Earcut = { - - triangulate: function ( data, holeIndices, dim ) { - - dim = dim || 2; - - var hasHoles = holeIndices && holeIndices.length, - outerLen = hasHoles ? holeIndices[ 0 ] * dim : data.length, - outerNode = linkedList( data, 0, outerLen, dim, true ), - triangles = []; - - if ( ! outerNode || outerNode.next === outerNode.prev ) return triangles; - - var minX, minY, maxX, maxY, x, y, invSize; - - if ( hasHoles ) outerNode = eliminateHoles( data, holeIndices, outerNode, dim ); - - // if the shape is not too simple, we'll use z-order curve hash later; calculate polygon bbox - if ( data.length > 80 * dim ) { - - minX = maxX = data[ 0 ]; - minY = maxY = data[ 1 ]; - - for ( var i = dim; i < outerLen; i += dim ) { - - x = data[ i ]; - y = data[ i + 1 ]; - if ( x < minX ) minX = x; - if ( y < minY ) minY = y; - if ( x > maxX ) maxX = x; - if ( y > maxY ) maxY = y; - - } - - // minX, minY and invSize are later used to transform coords into integers for z-order calculation - invSize = Math.max( maxX - minX, maxY - minY ); - invSize = invSize !== 0 ? 1 / invSize : 0; - - } - - earcutLinked( outerNode, triangles, dim, minX, minY, invSize ); - - return triangles; - - } - - }; - - // create a circular doubly linked list from polygon points in the specified winding order - function linkedList( data, start, end, dim, clockwise ) { - - var i, last; - - if ( clockwise === ( signedArea( data, start, end, dim ) > 0 ) ) { - - for ( i = start; i < end; i += dim ) last = insertNode( i, data[ i ], data[ i + 1 ], last ); - - } else { - - for ( i = end - dim; i >= start; i -= dim ) last = insertNode( i, data[ i ], data[ i + 1 ], last ); - - } - - if ( last && equals( last, last.next ) ) { - - removeNode( last ); - last = last.next; - - } - - return last; - - } - - // eliminate colinear or duplicate points - function filterPoints( start, end ) { - - if ( ! start ) return start; - if ( ! end ) end = start; - - var p = start, - again; - do { - - again = false; - - if ( ! p.steiner && ( equals( p, p.next ) || area( p.prev, p, p.next ) === 0 ) ) { - - removeNode( p ); - p = end = p.prev; - if ( p === p.next ) break; - again = true; - - } else { - - p = p.next; - - } - - } while ( again || p !== end ); - - return end; - - } - - // main ear slicing loop which triangulates a polygon (given as a linked list) - function earcutLinked( ear, triangles, dim, minX, minY, invSize, pass ) { - - if ( ! ear ) return; - - // interlink polygon nodes in z-order - if ( ! pass && invSize ) indexCurve( ear, minX, minY, invSize ); - - var stop = ear, - prev, next; - - // iterate through ears, slicing them one by one - while ( ear.prev !== ear.next ) { - - prev = ear.prev; - next = ear.next; - - if ( invSize ? isEarHashed( ear, minX, minY, invSize ) : isEar( ear ) ) { - - // cut off the triangle - triangles.push( prev.i / dim ); - triangles.push( ear.i / dim ); - triangles.push( next.i / dim ); - - removeNode( ear ); - - // skipping the next vertex leads to less sliver triangles - ear = next.next; - stop = next.next; - - continue; - - } - - ear = next; - - // if we looped through the whole remaining polygon and can't find any more ears - if ( ear === stop ) { - - // try filtering points and slicing again - if ( ! pass ) { - - earcutLinked( filterPoints( ear ), triangles, dim, minX, minY, invSize, 1 ); - - // if this didn't work, try curing all small self-intersections locally - - } else if ( pass === 1 ) { - - ear = cureLocalIntersections( ear, triangles, dim ); - earcutLinked( ear, triangles, dim, minX, minY, invSize, 2 ); - - // as a last resort, try splitting the remaining polygon into two - - } else if ( pass === 2 ) { - - splitEarcut( ear, triangles, dim, minX, minY, invSize ); - - } - - break; - - } - - } - - } - - // check whether a polygon node forms a valid ear with adjacent nodes - function isEar( ear ) { - - var a = ear.prev, - b = ear, - c = ear.next; - - if ( area( a, b, c ) >= 0 ) return false; // reflex, can't be an ear - - // now make sure we don't have other points inside the potential ear - var p = ear.next.next; - - while ( p !== ear.prev ) { - - if ( pointInTriangle( a.x, a.y, b.x, b.y, c.x, c.y, p.x, p.y ) && - area( p.prev, p, p.next ) >= 0 ) return false; - p = p.next; - - } - - return true; - - } - - function isEarHashed( ear, minX, minY, invSize ) { - - var a = ear.prev, - b = ear, - c = ear.next; - - if ( area( a, b, c ) >= 0 ) return false; // reflex, can't be an ear - - // triangle bbox; min & max are calculated like this for speed - var minTX = a.x < b.x ? ( a.x < c.x ? a.x : c.x ) : ( b.x < c.x ? b.x : c.x ), - minTY = a.y < b.y ? ( a.y < c.y ? a.y : c.y ) : ( b.y < c.y ? b.y : c.y ), - maxTX = a.x > b.x ? ( a.x > c.x ? a.x : c.x ) : ( b.x > c.x ? b.x : c.x ), - maxTY = a.y > b.y ? ( a.y > c.y ? a.y : c.y ) : ( b.y > c.y ? b.y : c.y ); - - // z-order range for the current triangle bbox; - var minZ = zOrder( minTX, minTY, minX, minY, invSize ), - maxZ = zOrder( maxTX, maxTY, minX, minY, invSize ); - - var p = ear.prevZ, - n = ear.nextZ; - - // look for points inside the triangle in both directions - while ( p && p.z >= minZ && n && n.z <= maxZ ) { - - if ( p !== ear.prev && p !== ear.next && - pointInTriangle( a.x, a.y, b.x, b.y, c.x, c.y, p.x, p.y ) && - area( p.prev, p, p.next ) >= 0 ) return false; - p = p.prevZ; - - if ( n !== ear.prev && n !== ear.next && - pointInTriangle( a.x, a.y, b.x, b.y, c.x, c.y, n.x, n.y ) && - area( n.prev, n, n.next ) >= 0 ) return false; - n = n.nextZ; - - } - - // look for remaining points in decreasing z-order - while ( p && p.z >= minZ ) { - - if ( p !== ear.prev && p !== ear.next && - pointInTriangle( a.x, a.y, b.x, b.y, c.x, c.y, p.x, p.y ) && - area( p.prev, p, p.next ) >= 0 ) return false; - p = p.prevZ; - - } - - // look for remaining points in increasing z-order - while ( n && n.z <= maxZ ) { - - if ( n !== ear.prev && n !== ear.next && - pointInTriangle( a.x, a.y, b.x, b.y, c.x, c.y, n.x, n.y ) && - area( n.prev, n, n.next ) >= 0 ) return false; - n = n.nextZ; - - } - - return true; - - } - - // go through all polygon nodes and cure small local self-intersections - function cureLocalIntersections( start, triangles, dim ) { - - var p = start; - do { - - var a = p.prev, - b = p.next.next; - - if ( ! equals( a, b ) && intersects( a, p, p.next, b ) && locallyInside( a, b ) && locallyInside( b, a ) ) { - - triangles.push( a.i / dim ); - triangles.push( p.i / dim ); - triangles.push( b.i / dim ); - - // remove two nodes involved - removeNode( p ); - removeNode( p.next ); - - p = start = b; - - } - - p = p.next; - - } while ( p !== start ); - - return p; - - } - - // try splitting polygon into two and triangulate them independently - function splitEarcut( start, triangles, dim, minX, minY, invSize ) { - - // look for a valid diagonal that divides the polygon into two - var a = start; - do { - - var b = a.next.next; - while ( b !== a.prev ) { - - if ( a.i !== b.i && isValidDiagonal( a, b ) ) { - - // split the polygon in two by the diagonal - var c = splitPolygon( a, b ); - - // filter colinear points around the cuts - a = filterPoints( a, a.next ); - c = filterPoints( c, c.next ); - - // run earcut on each half - earcutLinked( a, triangles, dim, minX, minY, invSize ); - earcutLinked( c, triangles, dim, minX, minY, invSize ); - return; - - } - - b = b.next; - - } - - a = a.next; - - } while ( a !== start ); - - } - - // link every hole into the outer loop, producing a single-ring polygon without holes - function eliminateHoles( data, holeIndices, outerNode, dim ) { - - var queue = [], - i, len, start, end, list; - - for ( i = 0, len = holeIndices.length; i < len; i ++ ) { - - start = holeIndices[ i ] * dim; - end = i < len - 1 ? holeIndices[ i + 1 ] * dim : data.length; - list = linkedList( data, start, end, dim, false ); - if ( list === list.next ) list.steiner = true; - queue.push( getLeftmost( list ) ); - - } - - queue.sort( compareX ); - - // process holes from left to right - for ( i = 0; i < queue.length; i ++ ) { - - eliminateHole( queue[ i ], outerNode ); - outerNode = filterPoints( outerNode, outerNode.next ); - - } - - return outerNode; - - } - - function compareX( a, b ) { - - return a.x - b.x; - - } - - // find a bridge between vertices that connects hole with an outer ring and and link it - function eliminateHole( hole, outerNode ) { - - outerNode = findHoleBridge( hole, outerNode ); - if ( outerNode ) { - - var b = splitPolygon( outerNode, hole ); - filterPoints( b, b.next ); - - } - - } - - // David Eberly's algorithm for finding a bridge between hole and outer polygon - function findHoleBridge( hole, outerNode ) { - - var p = outerNode, - hx = hole.x, - hy = hole.y, - qx = - Infinity, - m; - - // find a segment intersected by a ray from the hole's leftmost point to the left; - // segment's endpoint with lesser x will be potential connection point - do { - - if ( hy <= p.y && hy >= p.next.y && p.next.y !== p.y ) { - - var x = p.x + ( hy - p.y ) * ( p.next.x - p.x ) / ( p.next.y - p.y ); - if ( x <= hx && x > qx ) { - - qx = x; - if ( x === hx ) { - - if ( hy === p.y ) return p; - if ( hy === p.next.y ) return p.next; - - } - - m = p.x < p.next.x ? p : p.next; - - } - - } - - p = p.next; - - } while ( p !== outerNode ); - - if ( ! m ) return null; - - if ( hx === qx ) return m.prev; // hole touches outer segment; pick lower endpoint - - // look for points inside the triangle of hole point, segment intersection and endpoint; - // if there are no points found, we have a valid connection; - // otherwise choose the point of the minimum angle with the ray as connection point - - var stop = m, - mx = m.x, - my = m.y, - tanMin = Infinity, - tan; - - p = m.next; - - while ( p !== stop ) { - - if ( hx >= p.x && p.x >= mx && hx !== p.x && - pointInTriangle( hy < my ? hx : qx, hy, mx, my, hy < my ? qx : hx, hy, p.x, p.y ) ) { - - tan = Math.abs( hy - p.y ) / ( hx - p.x ); // tangential - - if ( ( tan < tanMin || ( tan === tanMin && p.x > m.x ) ) && locallyInside( p, hole ) ) { - - m = p; - tanMin = tan; - - } - - } - - p = p.next; - - } - - return m; - - } - - // interlink polygon nodes in z-order - function indexCurve( start, minX, minY, invSize ) { - - var p = start; - do { - - if ( p.z === null ) p.z = zOrder( p.x, p.y, minX, minY, invSize ); - p.prevZ = p.prev; - p.nextZ = p.next; - p = p.next; - - } while ( p !== start ); - - p.prevZ.nextZ = null; - p.prevZ = null; - - sortLinked( p ); - - } - - // Simon Tatham's linked list merge sort algorithm - // http://www.chiark.greenend.org.uk/~sgtatham/algorithms/listsort.html - function sortLinked( list ) { - - var i, p, q, e, tail, numMerges, pSize, qSize, - inSize = 1; - - do { - - p = list; - list = null; - tail = null; - numMerges = 0; - - while ( p ) { - - numMerges ++; - q = p; - pSize = 0; - for ( i = 0; i < inSize; i ++ ) { - - pSize ++; - q = q.nextZ; - if ( ! q ) break; - - } - - qSize = inSize; - - while ( pSize > 0 || ( qSize > 0 && q ) ) { - - if ( pSize !== 0 && ( qSize === 0 || ! q || p.z <= q.z ) ) { - - e = p; - p = p.nextZ; - pSize --; - - } else { - - e = q; - q = q.nextZ; - qSize --; - - } - - if ( tail ) tail.nextZ = e; - else list = e; - - e.prevZ = tail; - tail = e; - - } - - p = q; - - } - - tail.nextZ = null; - inSize *= 2; - - } while ( numMerges > 1 ); - - return list; - - } - - // z-order of a point given coords and inverse of the longer side of data bbox - function zOrder( x, y, minX, minY, invSize ) { - - // coords are transformed into non-negative 15-bit integer range - x = 32767 * ( x - minX ) * invSize; - y = 32767 * ( y - minY ) * invSize; - - x = ( x | ( x << 8 ) ) & 0x00FF00FF; - x = ( x | ( x << 4 ) ) & 0x0F0F0F0F; - x = ( x | ( x << 2 ) ) & 0x33333333; - x = ( x | ( x << 1 ) ) & 0x55555555; - - y = ( y | ( y << 8 ) ) & 0x00FF00FF; - y = ( y | ( y << 4 ) ) & 0x0F0F0F0F; - y = ( y | ( y << 2 ) ) & 0x33333333; - y = ( y | ( y << 1 ) ) & 0x55555555; - - return x | ( y << 1 ); - - } - - // find the leftmost node of a polygon ring - function getLeftmost( start ) { - - var p = start, - leftmost = start; - do { - - if ( p.x < leftmost.x || ( p.x === leftmost.x && p.y < leftmost.y ) ) leftmost = p; - p = p.next; - - } while ( p !== start ); - - return leftmost; - - } - - // check if a point lies within a convex triangle - function pointInTriangle( ax, ay, bx, by, cx, cy, px, py ) { - - return ( cx - px ) * ( ay - py ) - ( ax - px ) * ( cy - py ) >= 0 && - ( ax - px ) * ( by - py ) - ( bx - px ) * ( ay - py ) >= 0 && - ( bx - px ) * ( cy - py ) - ( cx - px ) * ( by - py ) >= 0; - - } - - // check if a diagonal between two polygon nodes is valid (lies in polygon interior) - function isValidDiagonal( a, b ) { - - return a.next.i !== b.i && a.prev.i !== b.i && ! intersectsPolygon( a, b ) && - locallyInside( a, b ) && locallyInside( b, a ) && middleInside( a, b ); - - } - - // signed area of a triangle - function area( p, q, r ) { - - return ( q.y - p.y ) * ( r.x - q.x ) - ( q.x - p.x ) * ( r.y - q.y ); - - } - - // check if two points are equal - function equals( p1, p2 ) { - - return p1.x === p2.x && p1.y === p2.y; - - } - - // check if two segments intersect - function intersects( p1, q1, p2, q2 ) { - - if ( ( equals( p1, p2 ) && equals( q1, q2 ) ) || - ( equals( p1, q2 ) && equals( p2, q1 ) ) ) return true; - return area( p1, q1, p2 ) > 0 !== area( p1, q1, q2 ) > 0 && - area( p2, q2, p1 ) > 0 !== area( p2, q2, q1 ) > 0; - - } - - // check if a polygon diagonal intersects any polygon segments - function intersectsPolygon( a, b ) { - - var p = a; - do { - - if ( p.i !== a.i && p.next.i !== a.i && p.i !== b.i && p.next.i !== b.i && - intersects( p, p.next, a, b ) ) return true; - p = p.next; - - } while ( p !== a ); - - return false; - - } - - // check if a polygon diagonal is locally inside the polygon - function locallyInside( a, b ) { - - return area( a.prev, a, a.next ) < 0 ? - area( a, b, a.next ) >= 0 && area( a, a.prev, b ) >= 0 : - area( a, b, a.prev ) < 0 || area( a, a.next, b ) < 0; - - } - - // check if the middle point of a polygon diagonal is inside the polygon - function middleInside( a, b ) { - - var p = a, - inside = false, - px = ( a.x + b.x ) / 2, - py = ( a.y + b.y ) / 2; - do { - - if ( ( ( p.y > py ) !== ( p.next.y > py ) ) && p.next.y !== p.y && - ( px < ( p.next.x - p.x ) * ( py - p.y ) / ( p.next.y - p.y ) + p.x ) ) - inside = ! inside; - p = p.next; - - } while ( p !== a ); - - return inside; - - } - - // link two polygon vertices with a bridge; if the vertices belong to the same ring, it splits polygon into two; - // if one belongs to the outer ring and another to a hole, it merges it into a single ring - function splitPolygon( a, b ) { - - var a2 = new Node( a.i, a.x, a.y ), - b2 = new Node( b.i, b.x, b.y ), - an = a.next, - bp = b.prev; - - a.next = b; - b.prev = a; - - a2.next = an; - an.prev = a2; - - b2.next = a2; - a2.prev = b2; - - bp.next = b2; - b2.prev = bp; - - return b2; - - } - - // create a node and optionally link it with previous one (in a circular doubly linked list) - function insertNode( i, x, y, last ) { - - var p = new Node( i, x, y ); - - if ( ! last ) { - - p.prev = p; - p.next = p; - - } else { - - p.next = last.next; - p.prev = last; - last.next.prev = p; - last.next = p; - - } - - return p; - - } - - function removeNode( p ) { - - p.next.prev = p.prev; - p.prev.next = p.next; - - if ( p.prevZ ) p.prevZ.nextZ = p.nextZ; - if ( p.nextZ ) p.nextZ.prevZ = p.prevZ; - - } - - function Node( i, x, y ) { - - // vertex index in coordinates array - this.i = i; - - // vertex coordinates - this.x = x; - this.y = y; - - // previous and next vertex nodes in a polygon ring - this.prev = null; - this.next = null; - - // z-order curve value - this.z = null; - - // previous and next nodes in z-order - this.prevZ = null; - this.nextZ = null; - - // indicates whether this is a steiner point - this.steiner = false; - - } - - function signedArea( data, start, end, dim ) { - - var sum = 0; - for ( var i = start, j = end - dim; i < end; i += dim ) { - - sum += ( data[ j ] - data[ i ] ) * ( data[ i + 1 ] + data[ j + 1 ] ); - j = i; - - } - - return sum; - - } - - /** - * @author zz85 / http://www.lab4games.net/zz85/blog - */ - - var ShapeUtils = { - - // calculate area of the contour polygon - - area: function ( contour ) { - - var n = contour.length; - var a = 0.0; - - for ( var p = n - 1, q = 0; q < n; p = q ++ ) { - - a += contour[ p ].x * contour[ q ].y - contour[ q ].x * contour[ p ].y; - - } - - return a * 0.5; - - }, - - isClockWise: function ( pts ) { - - return ShapeUtils.area( pts ) < 0; - - }, - - triangulateShape: function ( contour, holes ) { - - var vertices = []; // flat array of vertices like [ x0,y0, x1,y1, x2,y2, ... ] - var holeIndices = []; // array of hole indices - var faces = []; // final array of vertex indices like [ [ a,b,d ], [ b,c,d ] ] - - removeDupEndPts( contour ); - addContour( vertices, contour ); - - // - - var holeIndex = contour.length; - - holes.forEach( removeDupEndPts ); - - for ( var i = 0; i < holes.length; i ++ ) { - - holeIndices.push( holeIndex ); - holeIndex += holes[ i ].length; - addContour( vertices, holes[ i ] ); - - } - - // - - var triangles = Earcut.triangulate( vertices, holeIndices ); - - // - - for ( var i = 0; i < triangles.length; i += 3 ) { - - faces.push( triangles.slice( i, i + 3 ) ); - - } - - return faces; - - } - - }; - - function removeDupEndPts( points ) { - - var l = points.length; - - if ( l > 2 && points[ l - 1 ].equals( points[ 0 ] ) ) { - - points.pop(); - - } - - } - - function addContour( vertices, contour ) { - - for ( var i = 0; i < contour.length; i ++ ) { - - vertices.push( contour[ i ].x ); - vertices.push( contour[ i ].y ); - - } - - } - - /** - * @author zz85 / http://www.lab4games.net/zz85/blog - * - * Creates extruded geometry from a path shape. - * - * parameters = { - * - * curveSegments: , // number of points on the curves - * steps: , // number of points for z-side extrusions / used for subdividing segments of extrude spline too - * depth: , // Depth to extrude the shape - * - * bevelEnabled: , // turn on bevel - * bevelThickness: , // how deep into the original shape bevel goes - * bevelSize: , // how far from shape outline (including bevelOffset) is bevel - * bevelOffset: , // how far from shape outline does bevel start - * bevelSegments: , // number of bevel layers - * - * extrudePath: // curve to extrude shape along - * - * UVGenerator: // object that provides UV generator functions - * - * } - */ - - // ExtrudeGeometry - - function ExtrudeGeometry( shapes, options ) { - - Geometry.call( this ); - - this.type = 'ExtrudeGeometry'; - - this.parameters = { - shapes: shapes, - options: options - }; - - this.fromBufferGeometry( new ExtrudeBufferGeometry( shapes, options ) ); - this.mergeVertices(); - - } - - ExtrudeGeometry.prototype = Object.create( Geometry.prototype ); - ExtrudeGeometry.prototype.constructor = ExtrudeGeometry; - - ExtrudeGeometry.prototype.toJSON = function () { - - var data = Geometry.prototype.toJSON.call( this ); - - var shapes = this.parameters.shapes; - var options = this.parameters.options; - - return toJSON( shapes, options, data ); - - }; - - // ExtrudeBufferGeometry - - function ExtrudeBufferGeometry( shapes, options ) { - - BufferGeometry.call( this ); - - this.type = 'ExtrudeBufferGeometry'; - - this.parameters = { - shapes: shapes, - options: options - }; - - shapes = Array.isArray( shapes ) ? shapes : [ shapes ]; - - var scope = this; - - var verticesArray = []; - var uvArray = []; - - for ( var i = 0, l = shapes.length; i < l; i ++ ) { - - var shape = shapes[ i ]; - addShape( shape ); - - } - - // build geometry - - this.addAttribute( 'position', new Float32BufferAttribute( verticesArray, 3 ) ); - this.addAttribute( 'uv', new Float32BufferAttribute( uvArray, 2 ) ); - - this.computeVertexNormals(); - - // functions - - function addShape( shape ) { - - var placeholder = []; - - // options - - var curveSegments = options.curveSegments !== undefined ? options.curveSegments : 12; - var steps = options.steps !== undefined ? options.steps : 1; - var depth = options.depth !== undefined ? options.depth : 100; - - var bevelEnabled = options.bevelEnabled !== undefined ? options.bevelEnabled : true; - var bevelThickness = options.bevelThickness !== undefined ? options.bevelThickness : 6; - var bevelSize = options.bevelSize !== undefined ? options.bevelSize : bevelThickness - 2; - var bevelOffset = options.bevelOffset !== undefined ? options.bevelOffset : 0; - var bevelSegments = options.bevelSegments !== undefined ? options.bevelSegments : 3; - - var extrudePath = options.extrudePath; - - var uvgen = options.UVGenerator !== undefined ? options.UVGenerator : WorldUVGenerator; - - // deprecated options - - if ( options.amount !== undefined ) { - - console.warn( 'THREE.ExtrudeBufferGeometry: amount has been renamed to depth.' ); - depth = options.amount; - - } - - // - - var extrudePts, extrudeByPath = false; - var splineTube, binormal, normal, position2; - - if ( extrudePath ) { - - extrudePts = extrudePath.getSpacedPoints( steps ); - - extrudeByPath = true; - bevelEnabled = false; // bevels not supported for path extrusion - - // SETUP TNB variables - - // TODO1 - have a .isClosed in spline? - - splineTube = extrudePath.computeFrenetFrames( steps, false ); - - // console.log(splineTube, 'splineTube', splineTube.normals.length, 'steps', steps, 'extrudePts', extrudePts.length); - - binormal = new Vector3(); - normal = new Vector3(); - position2 = new Vector3(); - - } - - // Safeguards if bevels are not enabled - - if ( ! bevelEnabled ) { - - bevelSegments = 0; - bevelThickness = 0; - bevelSize = 0; - bevelOffset = 0; - - } - - // Variables initialization - - var ahole, h, hl; // looping of holes - - var shapePoints = shape.extractPoints( curveSegments ); - - var vertices = shapePoints.shape; - var holes = shapePoints.holes; - - var reverse = ! ShapeUtils.isClockWise( vertices ); - - if ( reverse ) { - - vertices = vertices.reverse(); - - // Maybe we should also check if holes are in the opposite direction, just to be safe ... - - for ( h = 0, hl = holes.length; h < hl; h ++ ) { - - ahole = holes[ h ]; - - if ( ShapeUtils.isClockWise( ahole ) ) { - - holes[ h ] = ahole.reverse(); - - } - - } - - } - - - var faces = ShapeUtils.triangulateShape( vertices, holes ); - - /* Vertices */ - - var contour = vertices; // vertices has all points but contour has only points of circumference - - for ( h = 0, hl = holes.length; h < hl; h ++ ) { - - ahole = holes[ h ]; - - vertices = vertices.concat( ahole ); - - } - - - function scalePt2( pt, vec, size ) { - - if ( ! vec ) console.error( "THREE.ExtrudeGeometry: vec does not exist" ); - - return vec.clone().multiplyScalar( size ).add( pt ); - - } - - var b, bs, t, z, - vert, vlen = vertices.length, - face, flen = faces.length; - - - // Find directions for point movement - - - function getBevelVec( inPt, inPrev, inNext ) { - - // computes for inPt the corresponding point inPt' on a new contour - // shifted by 1 unit (length of normalized vector) to the left - // if we walk along contour clockwise, this new contour is outside the old one - // - // inPt' is the intersection of the two lines parallel to the two - // adjacent edges of inPt at a distance of 1 unit on the left side. - - var v_trans_x, v_trans_y, shrink_by; // resulting translation vector for inPt - - // good reading for geometry algorithms (here: line-line intersection) - // http://geomalgorithms.com/a05-_intersect-1.html - - var v_prev_x = inPt.x - inPrev.x, - v_prev_y = inPt.y - inPrev.y; - var v_next_x = inNext.x - inPt.x, - v_next_y = inNext.y - inPt.y; - - var v_prev_lensq = ( v_prev_x * v_prev_x + v_prev_y * v_prev_y ); - - // check for collinear edges - var collinear0 = ( v_prev_x * v_next_y - v_prev_y * v_next_x ); - - if ( Math.abs( collinear0 ) > Number.EPSILON ) { - - // not collinear - - // length of vectors for normalizing - - var v_prev_len = Math.sqrt( v_prev_lensq ); - var v_next_len = Math.sqrt( v_next_x * v_next_x + v_next_y * v_next_y ); - - // shift adjacent points by unit vectors to the left - - var ptPrevShift_x = ( inPrev.x - v_prev_y / v_prev_len ); - var ptPrevShift_y = ( inPrev.y + v_prev_x / v_prev_len ); - - var ptNextShift_x = ( inNext.x - v_next_y / v_next_len ); - var ptNextShift_y = ( inNext.y + v_next_x / v_next_len ); - - // scaling factor for v_prev to intersection point - - var sf = ( ( ptNextShift_x - ptPrevShift_x ) * v_next_y - - ( ptNextShift_y - ptPrevShift_y ) * v_next_x ) / - ( v_prev_x * v_next_y - v_prev_y * v_next_x ); - - // vector from inPt to intersection point - - v_trans_x = ( ptPrevShift_x + v_prev_x * sf - inPt.x ); - v_trans_y = ( ptPrevShift_y + v_prev_y * sf - inPt.y ); - - // Don't normalize!, otherwise sharp corners become ugly - // but prevent crazy spikes - var v_trans_lensq = ( v_trans_x * v_trans_x + v_trans_y * v_trans_y ); - if ( v_trans_lensq <= 2 ) { - - return new Vector2( v_trans_x, v_trans_y ); - - } else { - - shrink_by = Math.sqrt( v_trans_lensq / 2 ); - - } - - } else { - - // handle special case of collinear edges - - var direction_eq = false; // assumes: opposite - if ( v_prev_x > Number.EPSILON ) { - - if ( v_next_x > Number.EPSILON ) { - - direction_eq = true; - - } - - } else { - - if ( v_prev_x < - Number.EPSILON ) { - - if ( v_next_x < - Number.EPSILON ) { - - direction_eq = true; - - } - - } else { - - if ( Math.sign( v_prev_y ) === Math.sign( v_next_y ) ) { - - direction_eq = true; - - } - - } - - } - - if ( direction_eq ) { - - // console.log("Warning: lines are a straight sequence"); - v_trans_x = - v_prev_y; - v_trans_y = v_prev_x; - shrink_by = Math.sqrt( v_prev_lensq ); - - } else { - - // console.log("Warning: lines are a straight spike"); - v_trans_x = v_prev_x; - v_trans_y = v_prev_y; - shrink_by = Math.sqrt( v_prev_lensq / 2 ); - - } - - } - - return new Vector2( v_trans_x / shrink_by, v_trans_y / shrink_by ); - - } - - - var contourMovements = []; - - for ( var i = 0, il = contour.length, j = il - 1, k = i + 1; i < il; i ++, j ++, k ++ ) { - - if ( j === il ) j = 0; - if ( k === il ) k = 0; - - // (j)---(i)---(k) - // console.log('i,j,k', i, j , k) - - contourMovements[ i ] = getBevelVec( contour[ i ], contour[ j ], contour[ k ] ); - - } - - var holesMovements = [], - oneHoleMovements, verticesMovements = contourMovements.concat(); - - for ( h = 0, hl = holes.length; h < hl; h ++ ) { - - ahole = holes[ h ]; - - oneHoleMovements = []; - - for ( i = 0, il = ahole.length, j = il - 1, k = i + 1; i < il; i ++, j ++, k ++ ) { - - if ( j === il ) j = 0; - if ( k === il ) k = 0; - - // (j)---(i)---(k) - oneHoleMovements[ i ] = getBevelVec( ahole[ i ], ahole[ j ], ahole[ k ] ); - - } - - holesMovements.push( oneHoleMovements ); - verticesMovements = verticesMovements.concat( oneHoleMovements ); - - } - - - // Loop bevelSegments, 1 for the front, 1 for the back - - for ( b = 0; b < bevelSegments; b ++ ) { - - //for ( b = bevelSegments; b > 0; b -- ) { - - t = b / bevelSegments; - z = bevelThickness * Math.cos( t * Math.PI / 2 ); - bs = bevelSize * Math.sin( t * Math.PI / 2 ) + bevelOffset; - - // contract shape - - for ( i = 0, il = contour.length; i < il; i ++ ) { - - vert = scalePt2( contour[ i ], contourMovements[ i ], bs ); - - v( vert.x, vert.y, - z ); - - } - - // expand holes - - for ( h = 0, hl = holes.length; h < hl; h ++ ) { - - ahole = holes[ h ]; - oneHoleMovements = holesMovements[ h ]; - - for ( i = 0, il = ahole.length; i < il; i ++ ) { - - vert = scalePt2( ahole[ i ], oneHoleMovements[ i ], bs ); - - v( vert.x, vert.y, - z ); - - } - - } - - } - - bs = bevelSize + bevelOffset; - - // Back facing vertices - - for ( i = 0; i < vlen; i ++ ) { - - vert = bevelEnabled ? scalePt2( vertices[ i ], verticesMovements[ i ], bs ) : vertices[ i ]; - - if ( ! extrudeByPath ) { - - v( vert.x, vert.y, 0 ); - - } else { - - // v( vert.x, vert.y + extrudePts[ 0 ].y, extrudePts[ 0 ].x ); - - normal.copy( splineTube.normals[ 0 ] ).multiplyScalar( vert.x ); - binormal.copy( splineTube.binormals[ 0 ] ).multiplyScalar( vert.y ); - - position2.copy( extrudePts[ 0 ] ).add( normal ).add( binormal ); - - v( position2.x, position2.y, position2.z ); - - } - - } - - // Add stepped vertices... - // Including front facing vertices - - var s; - - for ( s = 1; s <= steps; s ++ ) { - - for ( i = 0; i < vlen; i ++ ) { - - vert = bevelEnabled ? scalePt2( vertices[ i ], verticesMovements[ i ], bs ) : vertices[ i ]; - - if ( ! extrudeByPath ) { - - v( vert.x, vert.y, depth / steps * s ); - - } else { - - // v( vert.x, vert.y + extrudePts[ s - 1 ].y, extrudePts[ s - 1 ].x ); - - normal.copy( splineTube.normals[ s ] ).multiplyScalar( vert.x ); - binormal.copy( splineTube.binormals[ s ] ).multiplyScalar( vert.y ); - - position2.copy( extrudePts[ s ] ).add( normal ).add( binormal ); - - v( position2.x, position2.y, position2.z ); - - } - - } - - } - - - // Add bevel segments planes - - //for ( b = 1; b <= bevelSegments; b ++ ) { - for ( b = bevelSegments - 1; b >= 0; b -- ) { - - t = b / bevelSegments; - z = bevelThickness * Math.cos( t * Math.PI / 2 ); - bs = bevelSize * Math.sin( t * Math.PI / 2 ) + bevelOffset; - - // contract shape - - for ( i = 0, il = contour.length; i < il; i ++ ) { - - vert = scalePt2( contour[ i ], contourMovements[ i ], bs ); - v( vert.x, vert.y, depth + z ); - - } - - // expand holes - - for ( h = 0, hl = holes.length; h < hl; h ++ ) { - - ahole = holes[ h ]; - oneHoleMovements = holesMovements[ h ]; - - for ( i = 0, il = ahole.length; i < il; i ++ ) { - - vert = scalePt2( ahole[ i ], oneHoleMovements[ i ], bs ); - - if ( ! extrudeByPath ) { - - v( vert.x, vert.y, depth + z ); - - } else { - - v( vert.x, vert.y + extrudePts[ steps - 1 ].y, extrudePts[ steps - 1 ].x + z ); - - } - - } - - } - - } - - /* Faces */ - - // Top and bottom faces - - buildLidFaces(); - - // Sides faces - - buildSideFaces(); - - - ///// Internal functions - - function buildLidFaces() { - - var start = verticesArray.length / 3; - - if ( bevelEnabled ) { - - var layer = 0; // steps + 1 - var offset = vlen * layer; - - // Bottom faces - - for ( i = 0; i < flen; i ++ ) { - - face = faces[ i ]; - f3( face[ 2 ] + offset, face[ 1 ] + offset, face[ 0 ] + offset ); - - } - - layer = steps + bevelSegments * 2; - offset = vlen * layer; - - // Top faces - - for ( i = 0; i < flen; i ++ ) { - - face = faces[ i ]; - f3( face[ 0 ] + offset, face[ 1 ] + offset, face[ 2 ] + offset ); - - } - - } else { - - // Bottom faces - - for ( i = 0; i < flen; i ++ ) { - - face = faces[ i ]; - f3( face[ 2 ], face[ 1 ], face[ 0 ] ); - - } - - // Top faces - - for ( i = 0; i < flen; i ++ ) { - - face = faces[ i ]; - f3( face[ 0 ] + vlen * steps, face[ 1 ] + vlen * steps, face[ 2 ] + vlen * steps ); - - } - - } - - scope.addGroup( start, verticesArray.length / 3 - start, 0 ); - - } - - // Create faces for the z-sides of the shape - - function buildSideFaces() { - - var start = verticesArray.length / 3; - var layeroffset = 0; - sidewalls( contour, layeroffset ); - layeroffset += contour.length; - - for ( h = 0, hl = holes.length; h < hl; h ++ ) { - - ahole = holes[ h ]; - sidewalls( ahole, layeroffset ); - - //, true - layeroffset += ahole.length; - - } - - - scope.addGroup( start, verticesArray.length / 3 - start, 1 ); - - - } - - function sidewalls( contour, layeroffset ) { - - var j, k; - i = contour.length; - - while ( -- i >= 0 ) { - - j = i; - k = i - 1; - if ( k < 0 ) k = contour.length - 1; - - //console.log('b', i,j, i-1, k,vertices.length); - - var s = 0, - sl = steps + bevelSegments * 2; - - for ( s = 0; s < sl; s ++ ) { - - var slen1 = vlen * s; - var slen2 = vlen * ( s + 1 ); - - var a = layeroffset + j + slen1, - b = layeroffset + k + slen1, - c = layeroffset + k + slen2, - d = layeroffset + j + slen2; - - f4( a, b, c, d ); - - } - - } - - } - - function v( x, y, z ) { - - placeholder.push( x ); - placeholder.push( y ); - placeholder.push( z ); - - } - - - function f3( a, b, c ) { - - addVertex( a ); - addVertex( b ); - addVertex( c ); - - var nextIndex = verticesArray.length / 3; - var uvs = uvgen.generateTopUV( scope, verticesArray, nextIndex - 3, nextIndex - 2, nextIndex - 1 ); - - addUV( uvs[ 0 ] ); - addUV( uvs[ 1 ] ); - addUV( uvs[ 2 ] ); - - } - - function f4( a, b, c, d ) { - - addVertex( a ); - addVertex( b ); - addVertex( d ); - - addVertex( b ); - addVertex( c ); - addVertex( d ); - - - var nextIndex = verticesArray.length / 3; - var uvs = uvgen.generateSideWallUV( scope, verticesArray, nextIndex - 6, nextIndex - 3, nextIndex - 2, nextIndex - 1 ); - - addUV( uvs[ 0 ] ); - addUV( uvs[ 1 ] ); - addUV( uvs[ 3 ] ); - - addUV( uvs[ 1 ] ); - addUV( uvs[ 2 ] ); - addUV( uvs[ 3 ] ); - - } - - function addVertex( index ) { - - verticesArray.push( placeholder[ index * 3 + 0 ] ); - verticesArray.push( placeholder[ index * 3 + 1 ] ); - verticesArray.push( placeholder[ index * 3 + 2 ] ); - - } - - - function addUV( vector2 ) { - - uvArray.push( vector2.x ); - uvArray.push( vector2.y ); - - } - - } - - } - - ExtrudeBufferGeometry.prototype = Object.create( BufferGeometry.prototype ); - ExtrudeBufferGeometry.prototype.constructor = ExtrudeBufferGeometry; - - ExtrudeBufferGeometry.prototype.toJSON = function () { - - var data = BufferGeometry.prototype.toJSON.call( this ); - - var shapes = this.parameters.shapes; - var options = this.parameters.options; - - return toJSON( shapes, options, data ); - - }; - - // - - var WorldUVGenerator = { - - generateTopUV: function ( geometry, vertices, indexA, indexB, indexC ) { - - var a_x = vertices[ indexA * 3 ]; - var a_y = vertices[ indexA * 3 + 1 ]; - var b_x = vertices[ indexB * 3 ]; - var b_y = vertices[ indexB * 3 + 1 ]; - var c_x = vertices[ indexC * 3 ]; - var c_y = vertices[ indexC * 3 + 1 ]; - - return [ - new Vector2( a_x, a_y ), - new Vector2( b_x, b_y ), - new Vector2( c_x, c_y ) - ]; - - }, - - generateSideWallUV: function ( geometry, vertices, indexA, indexB, indexC, indexD ) { - - var a_x = vertices[ indexA * 3 ]; - var a_y = vertices[ indexA * 3 + 1 ]; - var a_z = vertices[ indexA * 3 + 2 ]; - var b_x = vertices[ indexB * 3 ]; - var b_y = vertices[ indexB * 3 + 1 ]; - var b_z = vertices[ indexB * 3 + 2 ]; - var c_x = vertices[ indexC * 3 ]; - var c_y = vertices[ indexC * 3 + 1 ]; - var c_z = vertices[ indexC * 3 + 2 ]; - var d_x = vertices[ indexD * 3 ]; - var d_y = vertices[ indexD * 3 + 1 ]; - var d_z = vertices[ indexD * 3 + 2 ]; - - if ( Math.abs( a_y - b_y ) < 0.01 ) { - - return [ - new Vector2( a_x, 1 - a_z ), - new Vector2( b_x, 1 - b_z ), - new Vector2( c_x, 1 - c_z ), - new Vector2( d_x, 1 - d_z ) - ]; - - } else { - - return [ - new Vector2( a_y, 1 - a_z ), - new Vector2( b_y, 1 - b_z ), - new Vector2( c_y, 1 - c_z ), - new Vector2( d_y, 1 - d_z ) - ]; - - } - - } - }; - - function toJSON( shapes, options, data ) { - - // - - data.shapes = []; - - if ( Array.isArray( shapes ) ) { - - for ( var i = 0, l = shapes.length; i < l; i ++ ) { - - var shape = shapes[ i ]; - - data.shapes.push( shape.uuid ); - - } - - } else { - - data.shapes.push( shapes.uuid ); - - } - - // - - if ( options.extrudePath !== undefined ) data.options.extrudePath = options.extrudePath.toJSON(); - - return data; - - } - - /** - * @author zz85 / http://www.lab4games.net/zz85/blog - * @author alteredq / http://alteredqualia.com/ - * - * Text = 3D Text - * - * parameters = { - * font: , // font - * - * size: , // size of the text - * height: , // thickness to extrude text - * curveSegments: , // number of points on the curves - * - * bevelEnabled: , // turn on bevel - * bevelThickness: , // how deep into text bevel goes - * bevelSize: , // how far from text outline (including bevelOffset) is bevel - * bevelOffset: // how far from text outline does bevel start - * } - */ - - // TextGeometry - - function TextGeometry( text, parameters ) { - - Geometry.call( this ); - - this.type = 'TextGeometry'; - - this.parameters = { - text: text, - parameters: parameters - }; - - this.fromBufferGeometry( new TextBufferGeometry( text, parameters ) ); - this.mergeVertices(); - - } - - TextGeometry.prototype = Object.create( Geometry.prototype ); - TextGeometry.prototype.constructor = TextGeometry; - - // TextBufferGeometry - - function TextBufferGeometry( text, parameters ) { - - parameters = parameters || {}; - - var font = parameters.font; - - if ( ! ( font && font.isFont ) ) { - - console.error( 'THREE.TextGeometry: font parameter is not an instance of THREE.Font.' ); - return new Geometry(); - - } - - var shapes = font.generateShapes( text, parameters.size ); - - // translate parameters to ExtrudeGeometry API - - parameters.depth = parameters.height !== undefined ? parameters.height : 50; - - // defaults - - if ( parameters.bevelThickness === undefined ) parameters.bevelThickness = 10; - if ( parameters.bevelSize === undefined ) parameters.bevelSize = 8; - if ( parameters.bevelEnabled === undefined ) parameters.bevelEnabled = false; - - ExtrudeBufferGeometry.call( this, shapes, parameters ); - - this.type = 'TextBufferGeometry'; - - } - - TextBufferGeometry.prototype = Object.create( ExtrudeBufferGeometry.prototype ); - TextBufferGeometry.prototype.constructor = TextBufferGeometry; - - /** - * @author mrdoob / http://mrdoob.com/ - * @author benaadams / https://twitter.com/ben_a_adams - * @author Mugen87 / https://github.com/Mugen87 - */ - - // SphereGeometry - - function SphereGeometry( radius, widthSegments, heightSegments, phiStart, phiLength, thetaStart, thetaLength ) { - - Geometry.call( this ); - - this.type = 'SphereGeometry'; - - this.parameters = { - radius: radius, - widthSegments: widthSegments, - heightSegments: heightSegments, - phiStart: phiStart, - phiLength: phiLength, - thetaStart: thetaStart, - thetaLength: thetaLength - }; - - this.fromBufferGeometry( new SphereBufferGeometry( radius, widthSegments, heightSegments, phiStart, phiLength, thetaStart, thetaLength ) ); - this.mergeVertices(); - - } - - SphereGeometry.prototype = Object.create( Geometry.prototype ); - SphereGeometry.prototype.constructor = SphereGeometry; - - // SphereBufferGeometry - - function SphereBufferGeometry( radius, widthSegments, heightSegments, phiStart, phiLength, thetaStart, thetaLength ) { - - BufferGeometry.call( this ); - - this.type = 'SphereBufferGeometry'; - - this.parameters = { - radius: radius, - widthSegments: widthSegments, - heightSegments: heightSegments, - phiStart: phiStart, - phiLength: phiLength, - thetaStart: thetaStart, - thetaLength: thetaLength - }; - - radius = radius || 1; - - widthSegments = Math.max( 3, Math.floor( widthSegments ) || 8 ); - heightSegments = Math.max( 2, Math.floor( heightSegments ) || 6 ); - - phiStart = phiStart !== undefined ? phiStart : 0; - phiLength = phiLength !== undefined ? phiLength : Math.PI * 2; - - thetaStart = thetaStart !== undefined ? thetaStart : 0; - thetaLength = thetaLength !== undefined ? thetaLength : Math.PI; - - var thetaEnd = Math.min( thetaStart + thetaLength, Math.PI ); - - var ix, iy; - - var index = 0; - var grid = []; - - var vertex = new Vector3(); - var normal = new Vector3(); - - // buffers - - var indices = []; - var vertices = []; - var normals = []; - var uvs = []; - - // generate vertices, normals and uvs - - for ( iy = 0; iy <= heightSegments; iy ++ ) { - - var verticesRow = []; - - var v = iy / heightSegments; - - // special case for the poles - - var uOffset = 0; - - if ( iy == 0 && thetaStart == 0 ) { - - uOffset = 0.5 / widthSegments; - - } else if ( iy == heightSegments && thetaEnd == Math.PI ) { - - uOffset = - 0.5 / widthSegments; - - } - - for ( ix = 0; ix <= widthSegments; ix ++ ) { - - var u = ix / widthSegments; - - // vertex - - vertex.x = - radius * Math.cos( phiStart + u * phiLength ) * Math.sin( thetaStart + v * thetaLength ); - vertex.y = radius * Math.cos( thetaStart + v * thetaLength ); - vertex.z = radius * Math.sin( phiStart + u * phiLength ) * Math.sin( thetaStart + v * thetaLength ); - - vertices.push( vertex.x, vertex.y, vertex.z ); - - // normal - - normal.copy( vertex ).normalize(); - normals.push( normal.x, normal.y, normal.z ); - - // uv - - uvs.push( u + uOffset, 1 - v ); - - verticesRow.push( index ++ ); - - } - - grid.push( verticesRow ); - - } - - // indices - - for ( iy = 0; iy < heightSegments; iy ++ ) { - - for ( ix = 0; ix < widthSegments; ix ++ ) { - - var a = grid[ iy ][ ix + 1 ]; - var b = grid[ iy ][ ix ]; - var c = grid[ iy + 1 ][ ix ]; - var d = grid[ iy + 1 ][ ix + 1 ]; - - if ( iy !== 0 || thetaStart > 0 ) indices.push( a, b, d ); - if ( iy !== heightSegments - 1 || thetaEnd < Math.PI ) indices.push( b, c, d ); - - } - - } - - // build geometry - - this.setIndex( indices ); - this.addAttribute( 'position', new Float32BufferAttribute( vertices, 3 ) ); - this.addAttribute( 'normal', new Float32BufferAttribute( normals, 3 ) ); - this.addAttribute( 'uv', new Float32BufferAttribute( uvs, 2 ) ); - - } - - SphereBufferGeometry.prototype = Object.create( BufferGeometry.prototype ); - SphereBufferGeometry.prototype.constructor = SphereBufferGeometry; - - /** - * @author Kaleb Murphy - * @author Mugen87 / https://github.com/Mugen87 - */ - - // RingGeometry - - function RingGeometry( innerRadius, outerRadius, thetaSegments, phiSegments, thetaStart, thetaLength ) { - - Geometry.call( this ); - - this.type = 'RingGeometry'; - - this.parameters = { - innerRadius: innerRadius, - outerRadius: outerRadius, - thetaSegments: thetaSegments, - phiSegments: phiSegments, - thetaStart: thetaStart, - thetaLength: thetaLength - }; - - this.fromBufferGeometry( new RingBufferGeometry( innerRadius, outerRadius, thetaSegments, phiSegments, thetaStart, thetaLength ) ); - this.mergeVertices(); - - } - - RingGeometry.prototype = Object.create( Geometry.prototype ); - RingGeometry.prototype.constructor = RingGeometry; - - // RingBufferGeometry - - function RingBufferGeometry( innerRadius, outerRadius, thetaSegments, phiSegments, thetaStart, thetaLength ) { - - BufferGeometry.call( this ); - - this.type = 'RingBufferGeometry'; - - this.parameters = { - innerRadius: innerRadius, - outerRadius: outerRadius, - thetaSegments: thetaSegments, - phiSegments: phiSegments, - thetaStart: thetaStart, - thetaLength: thetaLength - }; - - innerRadius = innerRadius || 0.5; - outerRadius = outerRadius || 1; - - thetaStart = thetaStart !== undefined ? thetaStart : 0; - thetaLength = thetaLength !== undefined ? thetaLength : Math.PI * 2; - - thetaSegments = thetaSegments !== undefined ? Math.max( 3, thetaSegments ) : 8; - phiSegments = phiSegments !== undefined ? Math.max( 1, phiSegments ) : 1; - - // buffers - - var indices = []; - var vertices = []; - var normals = []; - var uvs = []; - - // some helper variables - - var segment; - var radius = innerRadius; - var radiusStep = ( ( outerRadius - innerRadius ) / phiSegments ); - var vertex = new Vector3(); - var uv = new Vector2(); - var j, i; - - // generate vertices, normals and uvs - - for ( j = 0; j <= phiSegments; j ++ ) { - - for ( i = 0; i <= thetaSegments; i ++ ) { - - // values are generate from the inside of the ring to the outside - - segment = thetaStart + i / thetaSegments * thetaLength; - - // vertex - - vertex.x = radius * Math.cos( segment ); - vertex.y = radius * Math.sin( segment ); - - vertices.push( vertex.x, vertex.y, vertex.z ); - - // normal - - normals.push( 0, 0, 1 ); - - // uv - - uv.x = ( vertex.x / outerRadius + 1 ) / 2; - uv.y = ( vertex.y / outerRadius + 1 ) / 2; - - uvs.push( uv.x, uv.y ); - - } - - // increase the radius for next row of vertices - - radius += radiusStep; - - } - - // indices - - for ( j = 0; j < phiSegments; j ++ ) { - - var thetaSegmentLevel = j * ( thetaSegments + 1 ); - - for ( i = 0; i < thetaSegments; i ++ ) { - - segment = i + thetaSegmentLevel; - - var a = segment; - var b = segment + thetaSegments + 1; - var c = segment + thetaSegments + 2; - var d = segment + 1; - - // faces - - indices.push( a, b, d ); - indices.push( b, c, d ); - - } - - } - - // build geometry - - this.setIndex( indices ); - this.addAttribute( 'position', new Float32BufferAttribute( vertices, 3 ) ); - this.addAttribute( 'normal', new Float32BufferAttribute( normals, 3 ) ); - this.addAttribute( 'uv', new Float32BufferAttribute( uvs, 2 ) ); - - } - - RingBufferGeometry.prototype = Object.create( BufferGeometry.prototype ); - RingBufferGeometry.prototype.constructor = RingBufferGeometry; - - /** - * @author zz85 / https://github.com/zz85 - * @author bhouston / http://clara.io - * @author Mugen87 / https://github.com/Mugen87 - */ - - // LatheGeometry - - function LatheGeometry( points, segments, phiStart, phiLength ) { - - Geometry.call( this ); - - this.type = 'LatheGeometry'; - - this.parameters = { - points: points, - segments: segments, - phiStart: phiStart, - phiLength: phiLength - }; - - this.fromBufferGeometry( new LatheBufferGeometry( points, segments, phiStart, phiLength ) ); - this.mergeVertices(); - - } - - LatheGeometry.prototype = Object.create( Geometry.prototype ); - LatheGeometry.prototype.constructor = LatheGeometry; - - // LatheBufferGeometry - - function LatheBufferGeometry( points, segments, phiStart, phiLength ) { - - BufferGeometry.call( this ); - - this.type = 'LatheBufferGeometry'; - - this.parameters = { - points: points, - segments: segments, - phiStart: phiStart, - phiLength: phiLength - }; - - segments = Math.floor( segments ) || 12; - phiStart = phiStart || 0; - phiLength = phiLength || Math.PI * 2; - - // clamp phiLength so it's in range of [ 0, 2PI ] - - phiLength = _Math.clamp( phiLength, 0, Math.PI * 2 ); - - - // buffers - - var indices = []; - var vertices = []; - var uvs = []; - - // helper variables - - var base; - var inverseSegments = 1.0 / segments; - var vertex = new Vector3(); - var uv = new Vector2(); - var i, j; - - // generate vertices and uvs - - for ( i = 0; i <= segments; i ++ ) { - - var phi = phiStart + i * inverseSegments * phiLength; - - var sin = Math.sin( phi ); - var cos = Math.cos( phi ); - - for ( j = 0; j <= ( points.length - 1 ); j ++ ) { - - // vertex - - vertex.x = points[ j ].x * sin; - vertex.y = points[ j ].y; - vertex.z = points[ j ].x * cos; - - vertices.push( vertex.x, vertex.y, vertex.z ); - - // uv - - uv.x = i / segments; - uv.y = j / ( points.length - 1 ); - - uvs.push( uv.x, uv.y ); - - - } - - } - - // indices - - for ( i = 0; i < segments; i ++ ) { - - for ( j = 0; j < ( points.length - 1 ); j ++ ) { - - base = j + i * points.length; - - var a = base; - var b = base + points.length; - var c = base + points.length + 1; - var d = base + 1; - - // faces - - indices.push( a, b, d ); - indices.push( b, c, d ); - - } - - } - - // build geometry - - this.setIndex( indices ); - this.addAttribute( 'position', new Float32BufferAttribute( vertices, 3 ) ); - this.addAttribute( 'uv', new Float32BufferAttribute( uvs, 2 ) ); - - // generate normals - - this.computeVertexNormals(); - - // if the geometry is closed, we need to average the normals along the seam. - // because the corresponding vertices are identical (but still have different UVs). - - if ( phiLength === Math.PI * 2 ) { - - var normals = this.attributes.normal.array; - var n1 = new Vector3(); - var n2 = new Vector3(); - var n = new Vector3(); - - // this is the buffer offset for the last line of vertices - - base = segments * points.length * 3; - - for ( i = 0, j = 0; i < points.length; i ++, j += 3 ) { - - // select the normal of the vertex in the first line - - n1.x = normals[ j + 0 ]; - n1.y = normals[ j + 1 ]; - n1.z = normals[ j + 2 ]; - - // select the normal of the vertex in the last line - - n2.x = normals[ base + j + 0 ]; - n2.y = normals[ base + j + 1 ]; - n2.z = normals[ base + j + 2 ]; - - // average normals - - n.addVectors( n1, n2 ).normalize(); - - // assign the new values to both normals - - normals[ j + 0 ] = normals[ base + j + 0 ] = n.x; - normals[ j + 1 ] = normals[ base + j + 1 ] = n.y; - normals[ j + 2 ] = normals[ base + j + 2 ] = n.z; - - } - - } - - } - - LatheBufferGeometry.prototype = Object.create( BufferGeometry.prototype ); - LatheBufferGeometry.prototype.constructor = LatheBufferGeometry; - - /** - * @author jonobr1 / http://jonobr1.com - * @author Mugen87 / https://github.com/Mugen87 - */ - - // ShapeGeometry - - function ShapeGeometry( shapes, curveSegments ) { - - Geometry.call( this ); - - this.type = 'ShapeGeometry'; - - if ( typeof curveSegments === 'object' ) { - - console.warn( 'THREE.ShapeGeometry: Options parameter has been removed.' ); - - curveSegments = curveSegments.curveSegments; - - } - - this.parameters = { - shapes: shapes, - curveSegments: curveSegments - }; - - this.fromBufferGeometry( new ShapeBufferGeometry( shapes, curveSegments ) ); - this.mergeVertices(); - - } - - ShapeGeometry.prototype = Object.create( Geometry.prototype ); - ShapeGeometry.prototype.constructor = ShapeGeometry; - - ShapeGeometry.prototype.toJSON = function () { - - var data = Geometry.prototype.toJSON.call( this ); - - var shapes = this.parameters.shapes; - - return toJSON$1( shapes, data ); - - }; - - // ShapeBufferGeometry - - function ShapeBufferGeometry( shapes, curveSegments ) { - - BufferGeometry.call( this ); - - this.type = 'ShapeBufferGeometry'; - - this.parameters = { - shapes: shapes, - curveSegments: curveSegments - }; - - curveSegments = curveSegments || 12; - - // buffers - - var indices = []; - var vertices = []; - var normals = []; - var uvs = []; - - // helper variables - - var groupStart = 0; - var groupCount = 0; - - // allow single and array values for "shapes" parameter - - if ( Array.isArray( shapes ) === false ) { - - addShape( shapes ); - - } else { - - for ( var i = 0; i < shapes.length; i ++ ) { - - addShape( shapes[ i ] ); - - this.addGroup( groupStart, groupCount, i ); // enables MultiMaterial support - - groupStart += groupCount; - groupCount = 0; - - } - - } - - // build geometry - - this.setIndex( indices ); - this.addAttribute( 'position', new Float32BufferAttribute( vertices, 3 ) ); - this.addAttribute( 'normal', new Float32BufferAttribute( normals, 3 ) ); - this.addAttribute( 'uv', new Float32BufferAttribute( uvs, 2 ) ); - - - // helper functions - - function addShape( shape ) { - - var i, l, shapeHole; - - var indexOffset = vertices.length / 3; - var points = shape.extractPoints( curveSegments ); - - var shapeVertices = points.shape; - var shapeHoles = points.holes; - - // check direction of vertices - - if ( ShapeUtils.isClockWise( shapeVertices ) === false ) { - - shapeVertices = shapeVertices.reverse(); - - } - - for ( i = 0, l = shapeHoles.length; i < l; i ++ ) { - - shapeHole = shapeHoles[ i ]; - - if ( ShapeUtils.isClockWise( shapeHole ) === true ) { - - shapeHoles[ i ] = shapeHole.reverse(); - - } - - } - - var faces = ShapeUtils.triangulateShape( shapeVertices, shapeHoles ); - - // join vertices of inner and outer paths to a single array - - for ( i = 0, l = shapeHoles.length; i < l; i ++ ) { - - shapeHole = shapeHoles[ i ]; - shapeVertices = shapeVertices.concat( shapeHole ); - - } - - // vertices, normals, uvs - - for ( i = 0, l = shapeVertices.length; i < l; i ++ ) { - - var vertex = shapeVertices[ i ]; - - vertices.push( vertex.x, vertex.y, 0 ); - normals.push( 0, 0, 1 ); - uvs.push( vertex.x, vertex.y ); // world uvs - - } - - // incides - - for ( i = 0, l = faces.length; i < l; i ++ ) { - - var face = faces[ i ]; - - var a = face[ 0 ] + indexOffset; - var b = face[ 1 ] + indexOffset; - var c = face[ 2 ] + indexOffset; - - indices.push( a, b, c ); - groupCount += 3; - - } - - } - - } - - ShapeBufferGeometry.prototype = Object.create( BufferGeometry.prototype ); - ShapeBufferGeometry.prototype.constructor = ShapeBufferGeometry; - - ShapeBufferGeometry.prototype.toJSON = function () { - - var data = BufferGeometry.prototype.toJSON.call( this ); - - var shapes = this.parameters.shapes; - - return toJSON$1( shapes, data ); - - }; - - // - - function toJSON$1( shapes, data ) { - - data.shapes = []; - - if ( Array.isArray( shapes ) ) { - - for ( var i = 0, l = shapes.length; i < l; i ++ ) { - - var shape = shapes[ i ]; - - data.shapes.push( shape.uuid ); - - } - - } else { - - data.shapes.push( shapes.uuid ); - - } - - return data; - - } - - /** - * @author WestLangley / http://github.com/WestLangley - * @author Mugen87 / https://github.com/Mugen87 - */ - - function EdgesGeometry( geometry, thresholdAngle ) { - - BufferGeometry.call( this ); - - this.type = 'EdgesGeometry'; - - this.parameters = { - thresholdAngle: thresholdAngle - }; - - thresholdAngle = ( thresholdAngle !== undefined ) ? thresholdAngle : 1; - - // buffer - - var vertices = []; - - // helper variables - - var thresholdDot = Math.cos( _Math.DEG2RAD * thresholdAngle ); - var edge = [ 0, 0 ], edges = {}, edge1, edge2; - var key, keys = [ 'a', 'b', 'c' ]; - - // prepare source geometry - - var geometry2; - - if ( geometry.isBufferGeometry ) { - - geometry2 = new Geometry(); - geometry2.fromBufferGeometry( geometry ); - - } else { - - geometry2 = geometry.clone(); - - } - - geometry2.mergeVertices(); - geometry2.computeFaceNormals(); - - var sourceVertices = geometry2.vertices; - var faces = geometry2.faces; - - // now create a data structure where each entry represents an edge with its adjoining faces - - for ( var i = 0, l = faces.length; i < l; i ++ ) { - - var face = faces[ i ]; - - for ( var j = 0; j < 3; j ++ ) { - - edge1 = face[ keys[ j ] ]; - edge2 = face[ keys[ ( j + 1 ) % 3 ] ]; - edge[ 0 ] = Math.min( edge1, edge2 ); - edge[ 1 ] = Math.max( edge1, edge2 ); - - key = edge[ 0 ] + ',' + edge[ 1 ]; - - if ( edges[ key ] === undefined ) { - - edges[ key ] = { index1: edge[ 0 ], index2: edge[ 1 ], face1: i, face2: undefined }; - - } else { - - edges[ key ].face2 = i; - - } - - } - - } - - // generate vertices - - for ( key in edges ) { - - var e = edges[ key ]; - - // an edge is only rendered if the angle (in degrees) between the face normals of the adjoining faces exceeds this value. default = 1 degree. - - if ( e.face2 === undefined || faces[ e.face1 ].normal.dot( faces[ e.face2 ].normal ) <= thresholdDot ) { - - var vertex = sourceVertices[ e.index1 ]; - vertices.push( vertex.x, vertex.y, vertex.z ); - - vertex = sourceVertices[ e.index2 ]; - vertices.push( vertex.x, vertex.y, vertex.z ); - - } - - } - - // build geometry - - this.addAttribute( 'position', new Float32BufferAttribute( vertices, 3 ) ); - - } - - EdgesGeometry.prototype = Object.create( BufferGeometry.prototype ); - EdgesGeometry.prototype.constructor = EdgesGeometry; - - /** - * @author mrdoob / http://mrdoob.com/ - * @author Mugen87 / https://github.com/Mugen87 - */ - - // CylinderGeometry - - function CylinderGeometry( radiusTop, radiusBottom, height, radialSegments, heightSegments, openEnded, thetaStart, thetaLength ) { - - Geometry.call( this ); - - this.type = 'CylinderGeometry'; - - this.parameters = { - radiusTop: radiusTop, - radiusBottom: radiusBottom, - height: height, - radialSegments: radialSegments, - heightSegments: heightSegments, - openEnded: openEnded, - thetaStart: thetaStart, - thetaLength: thetaLength - }; - - this.fromBufferGeometry( new CylinderBufferGeometry( radiusTop, radiusBottom, height, radialSegments, heightSegments, openEnded, thetaStart, thetaLength ) ); - this.mergeVertices(); - - } - - CylinderGeometry.prototype = Object.create( Geometry.prototype ); - CylinderGeometry.prototype.constructor = CylinderGeometry; - - // CylinderBufferGeometry - - function CylinderBufferGeometry( radiusTop, radiusBottom, height, radialSegments, heightSegments, openEnded, thetaStart, thetaLength ) { - - BufferGeometry.call( this ); - - this.type = 'CylinderBufferGeometry'; - - this.parameters = { - radiusTop: radiusTop, - radiusBottom: radiusBottom, - height: height, - radialSegments: radialSegments, - heightSegments: heightSegments, - openEnded: openEnded, - thetaStart: thetaStart, - thetaLength: thetaLength - }; - - var scope = this; - - radiusTop = radiusTop !== undefined ? radiusTop : 1; - radiusBottom = radiusBottom !== undefined ? radiusBottom : 1; - height = height || 1; - - radialSegments = Math.floor( radialSegments ) || 8; - heightSegments = Math.floor( heightSegments ) || 1; - - openEnded = openEnded !== undefined ? openEnded : false; - thetaStart = thetaStart !== undefined ? thetaStart : 0.0; - thetaLength = thetaLength !== undefined ? thetaLength : Math.PI * 2; - - // buffers - - var indices = []; - var vertices = []; - var normals = []; - var uvs = []; - - // helper variables - - var index = 0; - var indexArray = []; - var halfHeight = height / 2; - var groupStart = 0; - - // generate geometry - - generateTorso(); - - if ( openEnded === false ) { - - if ( radiusTop > 0 ) generateCap( true ); - if ( radiusBottom > 0 ) generateCap( false ); - - } - - // build geometry - - this.setIndex( indices ); - this.addAttribute( 'position', new Float32BufferAttribute( vertices, 3 ) ); - this.addAttribute( 'normal', new Float32BufferAttribute( normals, 3 ) ); - this.addAttribute( 'uv', new Float32BufferAttribute( uvs, 2 ) ); - - function generateTorso() { - - var x, y; - var normal = new Vector3(); - var vertex = new Vector3(); - - var groupCount = 0; - - // this will be used to calculate the normal - var slope = ( radiusBottom - radiusTop ) / height; - - // generate vertices, normals and uvs - - for ( y = 0; y <= heightSegments; y ++ ) { - - var indexRow = []; - - var v = y / heightSegments; - - // calculate the radius of the current row - - var radius = v * ( radiusBottom - radiusTop ) + radiusTop; - - for ( x = 0; x <= radialSegments; x ++ ) { - - var u = x / radialSegments; - - var theta = u * thetaLength + thetaStart; - - var sinTheta = Math.sin( theta ); - var cosTheta = Math.cos( theta ); - - // vertex - - vertex.x = radius * sinTheta; - vertex.y = - v * height + halfHeight; - vertex.z = radius * cosTheta; - vertices.push( vertex.x, vertex.y, vertex.z ); - - // normal - - normal.set( sinTheta, slope, cosTheta ).normalize(); - normals.push( normal.x, normal.y, normal.z ); - - // uv - - uvs.push( u, 1 - v ); - - // save index of vertex in respective row - - indexRow.push( index ++ ); - - } - - // now save vertices of the row in our index array - - indexArray.push( indexRow ); - - } - - // generate indices - - for ( x = 0; x < radialSegments; x ++ ) { - - for ( y = 0; y < heightSegments; y ++ ) { - - // we use the index array to access the correct indices - - var a = indexArray[ y ][ x ]; - var b = indexArray[ y + 1 ][ x ]; - var c = indexArray[ y + 1 ][ x + 1 ]; - var d = indexArray[ y ][ x + 1 ]; - - // faces - - indices.push( a, b, d ); - indices.push( b, c, d ); - - // update group counter - - groupCount += 6; - - } - - } - - // add a group to the geometry. this will ensure multi material support - - scope.addGroup( groupStart, groupCount, 0 ); - - // calculate new start value for groups - - groupStart += groupCount; - - } - - function generateCap( top ) { - - var x, centerIndexStart, centerIndexEnd; - - var uv = new Vector2(); - var vertex = new Vector3(); - - var groupCount = 0; - - var radius = ( top === true ) ? radiusTop : radiusBottom; - var sign = ( top === true ) ? 1 : - 1; - - // save the index of the first center vertex - centerIndexStart = index; - - // first we generate the center vertex data of the cap. - // because the geometry needs one set of uvs per face, - // we must generate a center vertex per face/segment - - for ( x = 1; x <= radialSegments; x ++ ) { - - // vertex - - vertices.push( 0, halfHeight * sign, 0 ); - - // normal - - normals.push( 0, sign, 0 ); - - // uv - - uvs.push( 0.5, 0.5 ); - - // increase index - - index ++; - - } - - // save the index of the last center vertex - - centerIndexEnd = index; - - // now we generate the surrounding vertices, normals and uvs - - for ( x = 0; x <= radialSegments; x ++ ) { - - var u = x / radialSegments; - var theta = u * thetaLength + thetaStart; - - var cosTheta = Math.cos( theta ); - var sinTheta = Math.sin( theta ); - - // vertex - - vertex.x = radius * sinTheta; - vertex.y = halfHeight * sign; - vertex.z = radius * cosTheta; - vertices.push( vertex.x, vertex.y, vertex.z ); - - // normal - - normals.push( 0, sign, 0 ); - - // uv - - uv.x = ( cosTheta * 0.5 ) + 0.5; - uv.y = ( sinTheta * 0.5 * sign ) + 0.5; - uvs.push( uv.x, uv.y ); - - // increase index - - index ++; - - } - - // generate indices - - for ( x = 0; x < radialSegments; x ++ ) { - - var c = centerIndexStart + x; - var i = centerIndexEnd + x; - - if ( top === true ) { - - // face top - - indices.push( i, i + 1, c ); - - } else { - - // face bottom - - indices.push( i + 1, i, c ); - - } - - groupCount += 3; - - } - - // add a group to the geometry. this will ensure multi material support - - scope.addGroup( groupStart, groupCount, top === true ? 1 : 2 ); - - // calculate new start value for groups - - groupStart += groupCount; - - } - - } - - CylinderBufferGeometry.prototype = Object.create( BufferGeometry.prototype ); - CylinderBufferGeometry.prototype.constructor = CylinderBufferGeometry; - - /** - * @author abelnation / http://github.com/abelnation - */ - - // ConeGeometry - - function ConeGeometry( radius, height, radialSegments, heightSegments, openEnded, thetaStart, thetaLength ) { - - CylinderGeometry.call( this, 0, radius, height, radialSegments, heightSegments, openEnded, thetaStart, thetaLength ); - - this.type = 'ConeGeometry'; - - this.parameters = { - radius: radius, - height: height, - radialSegments: radialSegments, - heightSegments: heightSegments, - openEnded: openEnded, - thetaStart: thetaStart, - thetaLength: thetaLength - }; - - } - - ConeGeometry.prototype = Object.create( CylinderGeometry.prototype ); - ConeGeometry.prototype.constructor = ConeGeometry; - - // ConeBufferGeometry - - function ConeBufferGeometry( radius, height, radialSegments, heightSegments, openEnded, thetaStart, thetaLength ) { - - CylinderBufferGeometry.call( this, 0, radius, height, radialSegments, heightSegments, openEnded, thetaStart, thetaLength ); - - this.type = 'ConeBufferGeometry'; - - this.parameters = { - radius: radius, - height: height, - radialSegments: radialSegments, - heightSegments: heightSegments, - openEnded: openEnded, - thetaStart: thetaStart, - thetaLength: thetaLength - }; - - } - - ConeBufferGeometry.prototype = Object.create( CylinderBufferGeometry.prototype ); - ConeBufferGeometry.prototype.constructor = ConeBufferGeometry; - - /** - * @author benaadams / https://twitter.com/ben_a_adams - * @author Mugen87 / https://github.com/Mugen87 - * @author hughes - */ - - // CircleGeometry - - function CircleGeometry( radius, segments, thetaStart, thetaLength ) { - - Geometry.call( this ); - - this.type = 'CircleGeometry'; - - this.parameters = { - radius: radius, - segments: segments, - thetaStart: thetaStart, - thetaLength: thetaLength - }; - - this.fromBufferGeometry( new CircleBufferGeometry( radius, segments, thetaStart, thetaLength ) ); - this.mergeVertices(); - - } - - CircleGeometry.prototype = Object.create( Geometry.prototype ); - CircleGeometry.prototype.constructor = CircleGeometry; - - // CircleBufferGeometry - - function CircleBufferGeometry( radius, segments, thetaStart, thetaLength ) { - - BufferGeometry.call( this ); - - this.type = 'CircleBufferGeometry'; - - this.parameters = { - radius: radius, - segments: segments, - thetaStart: thetaStart, - thetaLength: thetaLength - }; - - radius = radius || 1; - segments = segments !== undefined ? Math.max( 3, segments ) : 8; - - thetaStart = thetaStart !== undefined ? thetaStart : 0; - thetaLength = thetaLength !== undefined ? thetaLength : Math.PI * 2; - - // buffers - - var indices = []; - var vertices = []; - var normals = []; - var uvs = []; - - // helper variables - - var i, s; - var vertex = new Vector3(); - var uv = new Vector2(); - - // center point - - vertices.push( 0, 0, 0 ); - normals.push( 0, 0, 1 ); - uvs.push( 0.5, 0.5 ); - - for ( s = 0, i = 3; s <= segments; s ++, i += 3 ) { - - var segment = thetaStart + s / segments * thetaLength; - - // vertex - - vertex.x = radius * Math.cos( segment ); - vertex.y = radius * Math.sin( segment ); - - vertices.push( vertex.x, vertex.y, vertex.z ); - - // normal - - normals.push( 0, 0, 1 ); - - // uvs - - uv.x = ( vertices[ i ] / radius + 1 ) / 2; - uv.y = ( vertices[ i + 1 ] / radius + 1 ) / 2; - - uvs.push( uv.x, uv.y ); - - } - - // indices - - for ( i = 1; i <= segments; i ++ ) { - - indices.push( i, i + 1, 0 ); - - } - - // build geometry - - this.setIndex( indices ); - this.addAttribute( 'position', new Float32BufferAttribute( vertices, 3 ) ); - this.addAttribute( 'normal', new Float32BufferAttribute( normals, 3 ) ); - this.addAttribute( 'uv', new Float32BufferAttribute( uvs, 2 ) ); - - } - - CircleBufferGeometry.prototype = Object.create( BufferGeometry.prototype ); - CircleBufferGeometry.prototype.constructor = CircleBufferGeometry; - - - - var Geometries = /*#__PURE__*/Object.freeze({ - WireframeGeometry: WireframeGeometry, - ParametricGeometry: ParametricGeometry, - ParametricBufferGeometry: ParametricBufferGeometry, - TetrahedronGeometry: TetrahedronGeometry, - TetrahedronBufferGeometry: TetrahedronBufferGeometry, - OctahedronGeometry: OctahedronGeometry, - OctahedronBufferGeometry: OctahedronBufferGeometry, - IcosahedronGeometry: IcosahedronGeometry, - IcosahedronBufferGeometry: IcosahedronBufferGeometry, - DodecahedronGeometry: DodecahedronGeometry, - DodecahedronBufferGeometry: DodecahedronBufferGeometry, - PolyhedronGeometry: PolyhedronGeometry, - PolyhedronBufferGeometry: PolyhedronBufferGeometry, - TubeGeometry: TubeGeometry, - TubeBufferGeometry: TubeBufferGeometry, - TorusKnotGeometry: TorusKnotGeometry, - TorusKnotBufferGeometry: TorusKnotBufferGeometry, - TorusGeometry: TorusGeometry, - TorusBufferGeometry: TorusBufferGeometry, - TextGeometry: TextGeometry, - TextBufferGeometry: TextBufferGeometry, - SphereGeometry: SphereGeometry, - SphereBufferGeometry: SphereBufferGeometry, - RingGeometry: RingGeometry, - RingBufferGeometry: RingBufferGeometry, - PlaneGeometry: PlaneGeometry, - PlaneBufferGeometry: PlaneBufferGeometry, - LatheGeometry: LatheGeometry, - LatheBufferGeometry: LatheBufferGeometry, - ShapeGeometry: ShapeGeometry, - ShapeBufferGeometry: ShapeBufferGeometry, - ExtrudeGeometry: ExtrudeGeometry, - ExtrudeBufferGeometry: ExtrudeBufferGeometry, - EdgesGeometry: EdgesGeometry, - ConeGeometry: ConeGeometry, - ConeBufferGeometry: ConeBufferGeometry, - CylinderGeometry: CylinderGeometry, - CylinderBufferGeometry: CylinderBufferGeometry, - CircleGeometry: CircleGeometry, - CircleBufferGeometry: CircleBufferGeometry, - BoxGeometry: BoxGeometry, - BoxBufferGeometry: BoxBufferGeometry - }); - - /** - * @author mrdoob / http://mrdoob.com/ - * - * parameters = { - * color: - * } - */ - - function ShadowMaterial( parameters ) { - - Material.call( this ); - - this.type = 'ShadowMaterial'; - - this.color = new Color( 0x000000 ); - this.transparent = true; - - this.setValues( parameters ); - - } - - ShadowMaterial.prototype = Object.create( Material.prototype ); - ShadowMaterial.prototype.constructor = ShadowMaterial; - - ShadowMaterial.prototype.isShadowMaterial = true; - - ShadowMaterial.prototype.copy = function ( source ) { - - Material.prototype.copy.call( this, source ); - - this.color.copy( source.color ); - - return this; - - }; - - /** - * @author mrdoob / http://mrdoob.com/ - */ - - function RawShaderMaterial( parameters ) { - - ShaderMaterial.call( this, parameters ); - - this.type = 'RawShaderMaterial'; - - } - - RawShaderMaterial.prototype = Object.create( ShaderMaterial.prototype ); - RawShaderMaterial.prototype.constructor = RawShaderMaterial; - - RawShaderMaterial.prototype.isRawShaderMaterial = true; - - /** - * @author WestLangley / http://github.com/WestLangley - * - * parameters = { - * color: , - * roughness: , - * metalness: , - * opacity: , - * - * map: new THREE.Texture( ), - * - * lightMap: new THREE.Texture( ), - * lightMapIntensity: - * - * aoMap: new THREE.Texture( ), - * aoMapIntensity: - * - * emissive: , - * emissiveIntensity: - * emissiveMap: new THREE.Texture( ), - * - * bumpMap: new THREE.Texture( ), - * bumpScale: , - * - * normalMap: new THREE.Texture( ), - * normalMapType: THREE.TangentSpaceNormalMap, - * normalScale: , - * - * displacementMap: new THREE.Texture( ), - * displacementScale: , - * displacementBias: , - * - * roughnessMap: new THREE.Texture( ), - * - * metalnessMap: new THREE.Texture( ), - * - * alphaMap: new THREE.Texture( ), - * - * envMap: new THREE.CubeTexture( [posx, negx, posy, negy, posz, negz] ), - * envMapIntensity: - * - * refractionRatio: , - * - * wireframe: , - * wireframeLinewidth: , - * - * skinning: , - * morphTargets: , - * morphNormals: - * } - */ - - function MeshStandardMaterial( parameters ) { - - Material.call( this ); - - this.defines = { 'STANDARD': '' }; - - this.type = 'MeshStandardMaterial'; - - this.color = new Color( 0xffffff ); // diffuse - this.roughness = 0.5; - this.metalness = 0.5; - - this.map = null; - - this.lightMap = null; - this.lightMapIntensity = 1.0; - - this.aoMap = null; - this.aoMapIntensity = 1.0; - - this.emissive = new Color( 0x000000 ); - this.emissiveIntensity = 1.0; - this.emissiveMap = null; - - this.bumpMap = null; - this.bumpScale = 1; - - this.normalMap = null; - this.normalMapType = TangentSpaceNormalMap; - this.normalScale = new Vector2( 1, 1 ); - - this.displacementMap = null; - this.displacementScale = 1; - this.displacementBias = 0; - - this.roughnessMap = null; - - this.metalnessMap = null; - - this.alphaMap = null; - - this.envMap = null; - this.envMapIntensity = 1.0; - - this.refractionRatio = 0.98; - - this.wireframe = false; - this.wireframeLinewidth = 1; - this.wireframeLinecap = 'round'; - this.wireframeLinejoin = 'round'; - - this.skinning = false; - this.morphTargets = false; - this.morphNormals = false; - - this.setValues( parameters ); - - } - - MeshStandardMaterial.prototype = Object.create( Material.prototype ); - MeshStandardMaterial.prototype.constructor = MeshStandardMaterial; - - MeshStandardMaterial.prototype.isMeshStandardMaterial = true; - - MeshStandardMaterial.prototype.copy = function ( source ) { - - Material.prototype.copy.call( this, source ); - - this.defines = { 'STANDARD': '' }; - - this.color.copy( source.color ); - this.roughness = source.roughness; - this.metalness = source.metalness; - - this.map = source.map; - - this.lightMap = source.lightMap; - this.lightMapIntensity = source.lightMapIntensity; - - this.aoMap = source.aoMap; - this.aoMapIntensity = source.aoMapIntensity; - - this.emissive.copy( source.emissive ); - this.emissiveMap = source.emissiveMap; - this.emissiveIntensity = source.emissiveIntensity; - - this.bumpMap = source.bumpMap; - this.bumpScale = source.bumpScale; - - this.normalMap = source.normalMap; - this.normalMapType = source.normalMapType; - this.normalScale.copy( source.normalScale ); - - this.displacementMap = source.displacementMap; - this.displacementScale = source.displacementScale; - this.displacementBias = source.displacementBias; - - this.roughnessMap = source.roughnessMap; - - this.metalnessMap = source.metalnessMap; - - this.alphaMap = source.alphaMap; - - this.envMap = source.envMap; - this.envMapIntensity = source.envMapIntensity; - - this.refractionRatio = source.refractionRatio; - - this.wireframe = source.wireframe; - this.wireframeLinewidth = source.wireframeLinewidth; - this.wireframeLinecap = source.wireframeLinecap; - this.wireframeLinejoin = source.wireframeLinejoin; - - this.skinning = source.skinning; - this.morphTargets = source.morphTargets; - this.morphNormals = source.morphNormals; - - return this; - - }; - - /** - * @author WestLangley / http://github.com/WestLangley - * - * parameters = { - * reflectivity: - * clearcoat: - * clearcoatRoughness: - * - * sheen: - * - * clearcoatNormalScale: , - * clearcoatNormalMap: new THREE.Texture( ), - * } - */ - - function MeshPhysicalMaterial( parameters ) { - - MeshStandardMaterial.call( this ); - - this.defines = { - - 'STANDARD': '', - 'PHYSICAL': '' - - }; - - this.type = 'MeshPhysicalMaterial'; - - this.reflectivity = 0.5; // maps to F0 = 0.04 - - this.clearcoat = 0.0; - this.clearcoatRoughness = 0.0; - - this.sheen = null; // null will disable sheen bsdf - - this.clearcoatNormalScale = new Vector2( 1, 1 ); - this.clearcoatNormalMap = null; - - this.transparency = 0.0; - - this.setValues( parameters ); - - } - - MeshPhysicalMaterial.prototype = Object.create( MeshStandardMaterial.prototype ); - MeshPhysicalMaterial.prototype.constructor = MeshPhysicalMaterial; - - MeshPhysicalMaterial.prototype.isMeshPhysicalMaterial = true; - - MeshPhysicalMaterial.prototype.copy = function ( source ) { - - MeshStandardMaterial.prototype.copy.call( this, source ); - - this.defines = { - - 'STANDARD': '', - 'PHYSICAL': '' - - }; - - this.reflectivity = source.reflectivity; - - this.clearcoat = source.clearcoat; - this.clearcoatRoughness = source.clearcoatRoughness; - - if ( source.sheen ) this.sheen = ( this.sheen || new Color() ).copy( source.sheen ); - else this.sheen = null; - - this.clearcoatNormalMap = source.clearcoatNormalMap; - this.clearcoatNormalScale.copy( source.clearcoatNormalScale ); - - this.transparency = source.transparency; - - return this; - - }; - - /** - * @author mrdoob / http://mrdoob.com/ - * @author alteredq / http://alteredqualia.com/ - * - * parameters = { - * color: , - * specular: , - * shininess: , - * opacity: , - * - * map: new THREE.Texture( ), - * - * lightMap: new THREE.Texture( ), - * lightMapIntensity: - * - * aoMap: new THREE.Texture( ), - * aoMapIntensity: - * - * emissive: , - * emissiveIntensity: - * emissiveMap: new THREE.Texture( ), - * - * bumpMap: new THREE.Texture( ), - * bumpScale: , - * - * normalMap: new THREE.Texture( ), - * normalMapType: THREE.TangentSpaceNormalMap, - * normalScale: , - * - * displacementMap: new THREE.Texture( ), - * displacementScale: , - * displacementBias: , - * - * specularMap: new THREE.Texture( ), - * - * alphaMap: new THREE.Texture( ), - * - * envMap: new THREE.CubeTexture( [posx, negx, posy, negy, posz, negz] ), - * combine: THREE.Multiply, - * reflectivity: , - * refractionRatio: , - * - * wireframe: , - * wireframeLinewidth: , - * - * skinning: , - * morphTargets: , - * morphNormals: - * } - */ - - function MeshPhongMaterial( parameters ) { - - Material.call( this ); - - this.type = 'MeshPhongMaterial'; - - this.color = new Color( 0xffffff ); // diffuse - this.specular = new Color( 0x111111 ); - this.shininess = 30; - - this.map = null; - - this.lightMap = null; - this.lightMapIntensity = 1.0; - - this.aoMap = null; - this.aoMapIntensity = 1.0; - - this.emissive = new Color( 0x000000 ); - this.emissiveIntensity = 1.0; - this.emissiveMap = null; - - this.bumpMap = null; - this.bumpScale = 1; - - this.normalMap = null; - this.normalMapType = TangentSpaceNormalMap; - this.normalScale = new Vector2( 1, 1 ); - - this.displacementMap = null; - this.displacementScale = 1; - this.displacementBias = 0; - - this.specularMap = null; - - this.alphaMap = null; - - this.envMap = null; - this.combine = MultiplyOperation; - this.reflectivity = 1; - this.refractionRatio = 0.98; - - this.wireframe = false; - this.wireframeLinewidth = 1; - this.wireframeLinecap = 'round'; - this.wireframeLinejoin = 'round'; - - this.skinning = false; - this.morphTargets = false; - this.morphNormals = false; - - this.setValues( parameters ); - - } - - MeshPhongMaterial.prototype = Object.create( Material.prototype ); - MeshPhongMaterial.prototype.constructor = MeshPhongMaterial; - - MeshPhongMaterial.prototype.isMeshPhongMaterial = true; - - MeshPhongMaterial.prototype.copy = function ( source ) { - - Material.prototype.copy.call( this, source ); - - this.color.copy( source.color ); - this.specular.copy( source.specular ); - this.shininess = source.shininess; - - this.map = source.map; - - this.lightMap = source.lightMap; - this.lightMapIntensity = source.lightMapIntensity; - - this.aoMap = source.aoMap; - this.aoMapIntensity = source.aoMapIntensity; - - this.emissive.copy( source.emissive ); - this.emissiveMap = source.emissiveMap; - this.emissiveIntensity = source.emissiveIntensity; - - this.bumpMap = source.bumpMap; - this.bumpScale = source.bumpScale; - - this.normalMap = source.normalMap; - this.normalMapType = source.normalMapType; - this.normalScale.copy( source.normalScale ); - - this.displacementMap = source.displacementMap; - this.displacementScale = source.displacementScale; - this.displacementBias = source.displacementBias; - - this.specularMap = source.specularMap; - - this.alphaMap = source.alphaMap; - - this.envMap = source.envMap; - this.combine = source.combine; - this.reflectivity = source.reflectivity; - this.refractionRatio = source.refractionRatio; - - this.wireframe = source.wireframe; - this.wireframeLinewidth = source.wireframeLinewidth; - this.wireframeLinecap = source.wireframeLinecap; - this.wireframeLinejoin = source.wireframeLinejoin; - - this.skinning = source.skinning; - this.morphTargets = source.morphTargets; - this.morphNormals = source.morphNormals; - - return this; - - }; - - /** - * @author takahirox / http://github.com/takahirox - * - * parameters = { - * gradientMap: new THREE.Texture( ) - * } - */ - - function MeshToonMaterial( parameters ) { - - MeshPhongMaterial.call( this ); - - this.defines = { 'TOON': '' }; - - this.type = 'MeshToonMaterial'; - - this.gradientMap = null; - - this.setValues( parameters ); - - } - - MeshToonMaterial.prototype = Object.create( MeshPhongMaterial.prototype ); - MeshToonMaterial.prototype.constructor = MeshToonMaterial; - - MeshToonMaterial.prototype.isMeshToonMaterial = true; - - MeshToonMaterial.prototype.copy = function ( source ) { - - MeshPhongMaterial.prototype.copy.call( this, source ); - - this.gradientMap = source.gradientMap; - - return this; - - }; - - /** - * @author mrdoob / http://mrdoob.com/ - * @author WestLangley / http://github.com/WestLangley - * - * parameters = { - * opacity: , - * - * bumpMap: new THREE.Texture( ), - * bumpScale: , - * - * normalMap: new THREE.Texture( ), - * normalMapType: THREE.TangentSpaceNormalMap, - * normalScale: , - * - * displacementMap: new THREE.Texture( ), - * displacementScale: , - * displacementBias: , - * - * wireframe: , - * wireframeLinewidth: - * - * skinning: , - * morphTargets: , - * morphNormals: - * } - */ - - function MeshNormalMaterial( parameters ) { - - Material.call( this ); - - this.type = 'MeshNormalMaterial'; - - this.bumpMap = null; - this.bumpScale = 1; - - this.normalMap = null; - this.normalMapType = TangentSpaceNormalMap; - this.normalScale = new Vector2( 1, 1 ); - - this.displacementMap = null; - this.displacementScale = 1; - this.displacementBias = 0; - - this.wireframe = false; - this.wireframeLinewidth = 1; - - this.fog = false; - this.lights = false; - - this.skinning = false; - this.morphTargets = false; - this.morphNormals = false; - - this.setValues( parameters ); - - } - - MeshNormalMaterial.prototype = Object.create( Material.prototype ); - MeshNormalMaterial.prototype.constructor = MeshNormalMaterial; - - MeshNormalMaterial.prototype.isMeshNormalMaterial = true; - - MeshNormalMaterial.prototype.copy = function ( source ) { - - Material.prototype.copy.call( this, source ); - - this.bumpMap = source.bumpMap; - this.bumpScale = source.bumpScale; - - this.normalMap = source.normalMap; - this.normalMapType = source.normalMapType; - this.normalScale.copy( source.normalScale ); - - this.displacementMap = source.displacementMap; - this.displacementScale = source.displacementScale; - this.displacementBias = source.displacementBias; - - this.wireframe = source.wireframe; - this.wireframeLinewidth = source.wireframeLinewidth; - - this.skinning = source.skinning; - this.morphTargets = source.morphTargets; - this.morphNormals = source.morphNormals; - - return this; - - }; - - /** - * @author mrdoob / http://mrdoob.com/ - * @author alteredq / http://alteredqualia.com/ - * - * parameters = { - * color: , - * opacity: , - * - * map: new THREE.Texture( ), - * - * lightMap: new THREE.Texture( ), - * lightMapIntensity: - * - * aoMap: new THREE.Texture( ), - * aoMapIntensity: - * - * emissive: , - * emissiveIntensity: - * emissiveMap: new THREE.Texture( ), - * - * specularMap: new THREE.Texture( ), - * - * alphaMap: new THREE.Texture( ), - * - * envMap: new THREE.CubeTexture( [posx, negx, posy, negy, posz, negz] ), - * combine: THREE.Multiply, - * reflectivity: , - * refractionRatio: , - * - * wireframe: , - * wireframeLinewidth: , - * - * skinning: , - * morphTargets: , - * morphNormals: - * } - */ - - function MeshLambertMaterial( parameters ) { - - Material.call( this ); - - this.type = 'MeshLambertMaterial'; - - this.color = new Color( 0xffffff ); // diffuse - - this.map = null; - - this.lightMap = null; - this.lightMapIntensity = 1.0; - - this.aoMap = null; - this.aoMapIntensity = 1.0; - - this.emissive = new Color( 0x000000 ); - this.emissiveIntensity = 1.0; - this.emissiveMap = null; - - this.specularMap = null; - - this.alphaMap = null; - - this.envMap = null; - this.combine = MultiplyOperation; - this.reflectivity = 1; - this.refractionRatio = 0.98; - - this.wireframe = false; - this.wireframeLinewidth = 1; - this.wireframeLinecap = 'round'; - this.wireframeLinejoin = 'round'; - - this.skinning = false; - this.morphTargets = false; - this.morphNormals = false; - - this.setValues( parameters ); - - } - - MeshLambertMaterial.prototype = Object.create( Material.prototype ); - MeshLambertMaterial.prototype.constructor = MeshLambertMaterial; - - MeshLambertMaterial.prototype.isMeshLambertMaterial = true; - - MeshLambertMaterial.prototype.copy = function ( source ) { - - Material.prototype.copy.call( this, source ); - - this.color.copy( source.color ); - - this.map = source.map; - - this.lightMap = source.lightMap; - this.lightMapIntensity = source.lightMapIntensity; - - this.aoMap = source.aoMap; - this.aoMapIntensity = source.aoMapIntensity; - - this.emissive.copy( source.emissive ); - this.emissiveMap = source.emissiveMap; - this.emissiveIntensity = source.emissiveIntensity; - - this.specularMap = source.specularMap; - - this.alphaMap = source.alphaMap; - - this.envMap = source.envMap; - this.combine = source.combine; - this.reflectivity = source.reflectivity; - this.refractionRatio = source.refractionRatio; - - this.wireframe = source.wireframe; - this.wireframeLinewidth = source.wireframeLinewidth; - this.wireframeLinecap = source.wireframeLinecap; - this.wireframeLinejoin = source.wireframeLinejoin; - - this.skinning = source.skinning; - this.morphTargets = source.morphTargets; - this.morphNormals = source.morphNormals; - - return this; - - }; - - /** - * @author WestLangley / http://github.com/WestLangley - * - * parameters = { - * color: , - * opacity: , - * - * matcap: new THREE.Texture( ), - * - * map: new THREE.Texture( ), - * - * bumpMap: new THREE.Texture( ), - * bumpScale: , - * - * normalMap: new THREE.Texture( ), - * normalMapType: THREE.TangentSpaceNormalMap, - * normalScale: , - * - * displacementMap: new THREE.Texture( ), - * displacementScale: , - * displacementBias: , - * - * alphaMap: new THREE.Texture( ), - * - * skinning: , - * morphTargets: , - * morphNormals: - * } - */ - - function MeshMatcapMaterial( parameters ) { - - Material.call( this ); - - this.defines = { 'MATCAP': '' }; - - this.type = 'MeshMatcapMaterial'; - - this.color = new Color( 0xffffff ); // diffuse - - this.matcap = null; - - this.map = null; - - this.bumpMap = null; - this.bumpScale = 1; - - this.normalMap = null; - this.normalMapType = TangentSpaceNormalMap; - this.normalScale = new Vector2( 1, 1 ); - - this.displacementMap = null; - this.displacementScale = 1; - this.displacementBias = 0; - - this.alphaMap = null; - - this.skinning = false; - this.morphTargets = false; - this.morphNormals = false; - - this.lights = false; - - this.setValues( parameters ); - - } - - MeshMatcapMaterial.prototype = Object.create( Material.prototype ); - MeshMatcapMaterial.prototype.constructor = MeshMatcapMaterial; - - MeshMatcapMaterial.prototype.isMeshMatcapMaterial = true; - - MeshMatcapMaterial.prototype.copy = function ( source ) { - - Material.prototype.copy.call( this, source ); - - this.defines = { 'MATCAP': '' }; - - this.color.copy( source.color ); - - this.matcap = source.matcap; - - this.map = source.map; - - this.bumpMap = source.bumpMap; - this.bumpScale = source.bumpScale; - - this.normalMap = source.normalMap; - this.normalMapType = source.normalMapType; - this.normalScale.copy( source.normalScale ); - - this.displacementMap = source.displacementMap; - this.displacementScale = source.displacementScale; - this.displacementBias = source.displacementBias; - - this.alphaMap = source.alphaMap; - - this.skinning = source.skinning; - this.morphTargets = source.morphTargets; - this.morphNormals = source.morphNormals; - - return this; - - }; - - /** - * @author alteredq / http://alteredqualia.com/ - * - * parameters = { - * color: , - * opacity: , - * - * linewidth: , - * - * scale: , - * dashSize: , - * gapSize: - * } - */ - - function LineDashedMaterial( parameters ) { - - LineBasicMaterial.call( this ); - - this.type = 'LineDashedMaterial'; - - this.scale = 1; - this.dashSize = 3; - this.gapSize = 1; - - this.setValues( parameters ); - - } - - LineDashedMaterial.prototype = Object.create( LineBasicMaterial.prototype ); - LineDashedMaterial.prototype.constructor = LineDashedMaterial; - - LineDashedMaterial.prototype.isLineDashedMaterial = true; - - LineDashedMaterial.prototype.copy = function ( source ) { - - LineBasicMaterial.prototype.copy.call( this, source ); - - this.scale = source.scale; - this.dashSize = source.dashSize; - this.gapSize = source.gapSize; - - return this; - - }; - - - - var Materials = /*#__PURE__*/Object.freeze({ - ShadowMaterial: ShadowMaterial, - SpriteMaterial: SpriteMaterial, - RawShaderMaterial: RawShaderMaterial, - ShaderMaterial: ShaderMaterial, - PointsMaterial: PointsMaterial, - MeshPhysicalMaterial: MeshPhysicalMaterial, - MeshStandardMaterial: MeshStandardMaterial, - MeshPhongMaterial: MeshPhongMaterial, - MeshToonMaterial: MeshToonMaterial, - MeshNormalMaterial: MeshNormalMaterial, - MeshLambertMaterial: MeshLambertMaterial, - MeshDepthMaterial: MeshDepthMaterial, - MeshDistanceMaterial: MeshDistanceMaterial, - MeshBasicMaterial: MeshBasicMaterial, - MeshMatcapMaterial: MeshMatcapMaterial, - LineDashedMaterial: LineDashedMaterial, - LineBasicMaterial: LineBasicMaterial, - Material: Material - }); - - /** - * @author tschw - * @author Ben Houston / http://clara.io/ - * @author David Sarno / http://lighthaus.us/ - */ - - var AnimationUtils = { - - // same as Array.prototype.slice, but also works on typed arrays - arraySlice: function ( array, from, to ) { - - if ( AnimationUtils.isTypedArray( array ) ) { - - // in ios9 array.subarray(from, undefined) will return empty array - // but array.subarray(from) or array.subarray(from, len) is correct - return new array.constructor( array.subarray( from, to !== undefined ? to : array.length ) ); - - } - - return array.slice( from, to ); - - }, - - // converts an array to a specific type - convertArray: function ( array, type, forceClone ) { - - if ( ! array || // let 'undefined' and 'null' pass - ! forceClone && array.constructor === type ) return array; - - if ( typeof type.BYTES_PER_ELEMENT === 'number' ) { - - return new type( array ); // create typed array - - } - - return Array.prototype.slice.call( array ); // create Array - - }, - - isTypedArray: function ( object ) { - - return ArrayBuffer.isView( object ) && - ! ( object instanceof DataView ); - - }, - - // returns an array by which times and values can be sorted - getKeyframeOrder: function ( times ) { - - function compareTime( i, j ) { - - return times[ i ] - times[ j ]; - - } - - var n = times.length; - var result = new Array( n ); - for ( var i = 0; i !== n; ++ i ) result[ i ] = i; - - result.sort( compareTime ); - - return result; - - }, - - // uses the array previously returned by 'getKeyframeOrder' to sort data - sortedArray: function ( values, stride, order ) { - - var nValues = values.length; - var result = new values.constructor( nValues ); - - for ( var i = 0, dstOffset = 0; dstOffset !== nValues; ++ i ) { - - var srcOffset = order[ i ] * stride; - - for ( var j = 0; j !== stride; ++ j ) { - - result[ dstOffset ++ ] = values[ srcOffset + j ]; - - } - - } - - return result; - - }, - - // function for parsing AOS keyframe formats - flattenJSON: function ( jsonKeys, times, values, valuePropertyName ) { - - var i = 1, key = jsonKeys[ 0 ]; - - while ( key !== undefined && key[ valuePropertyName ] === undefined ) { - - key = jsonKeys[ i ++ ]; - - } - - if ( key === undefined ) return; // no data - - var value = key[ valuePropertyName ]; - if ( value === undefined ) return; // no data - - if ( Array.isArray( value ) ) { - - do { - - value = key[ valuePropertyName ]; - - if ( value !== undefined ) { - - times.push( key.time ); - values.push.apply( values, value ); // push all elements - - } - - key = jsonKeys[ i ++ ]; - - } while ( key !== undefined ); - - } else if ( value.toArray !== undefined ) { - - // ...assume THREE.Math-ish - - do { - - value = key[ valuePropertyName ]; - - if ( value !== undefined ) { - - times.push( key.time ); - value.toArray( values, values.length ); - - } - - key = jsonKeys[ i ++ ]; - - } while ( key !== undefined ); - - } else { - - // otherwise push as-is - - do { - - value = key[ valuePropertyName ]; - - if ( value !== undefined ) { - - times.push( key.time ); - values.push( value ); - - } - - key = jsonKeys[ i ++ ]; - - } while ( key !== undefined ); - - } - - } - - }; - - /** - * Abstract base class of interpolants over parametric samples. - * - * The parameter domain is one dimensional, typically the time or a path - * along a curve defined by the data. - * - * The sample values can have any dimensionality and derived classes may - * apply special interpretations to the data. - * - * This class provides the interval seek in a Template Method, deferring - * the actual interpolation to derived classes. - * - * Time complexity is O(1) for linear access crossing at most two points - * and O(log N) for random access, where N is the number of positions. - * - * References: - * - * http://www.oodesign.com/template-method-pattern.html - * - * @author tschw - */ - - function Interpolant( parameterPositions, sampleValues, sampleSize, resultBuffer ) { - - this.parameterPositions = parameterPositions; - this._cachedIndex = 0; - - this.resultBuffer = resultBuffer !== undefined ? - resultBuffer : new sampleValues.constructor( sampleSize ); - this.sampleValues = sampleValues; - this.valueSize = sampleSize; - - } - - Object.assign( Interpolant.prototype, { - - evaluate: function ( t ) { - - var pp = this.parameterPositions, - i1 = this._cachedIndex, - - t1 = pp[ i1 ], - t0 = pp[ i1 - 1 ]; - - validate_interval: { - - seek: { - - var right; - - linear_scan: { - - //- See http://jsperf.com/comparison-to-undefined/3 - //- slower code: - //- - //- if ( t >= t1 || t1 === undefined ) { - forward_scan: if ( ! ( t < t1 ) ) { - - for ( var giveUpAt = i1 + 2; ; ) { - - if ( t1 === undefined ) { - - if ( t < t0 ) break forward_scan; - - // after end - - i1 = pp.length; - this._cachedIndex = i1; - return this.afterEnd_( i1 - 1, t, t0 ); - - } - - if ( i1 === giveUpAt ) break; // this loop - - t0 = t1; - t1 = pp[ ++ i1 ]; - - if ( t < t1 ) { - - // we have arrived at the sought interval - break seek; - - } - - } - - // prepare binary search on the right side of the index - right = pp.length; - break linear_scan; - - } - - //- slower code: - //- if ( t < t0 || t0 === undefined ) { - if ( ! ( t >= t0 ) ) { - - // looping? - - var t1global = pp[ 1 ]; - - if ( t < t1global ) { - - i1 = 2; // + 1, using the scan for the details - t0 = t1global; - - } - - // linear reverse scan - - for ( var giveUpAt = i1 - 2; ; ) { - - if ( t0 === undefined ) { - - // before start - - this._cachedIndex = 0; - return this.beforeStart_( 0, t, t1 ); - - } - - if ( i1 === giveUpAt ) break; // this loop - - t1 = t0; - t0 = pp[ -- i1 - 1 ]; - - if ( t >= t0 ) { - - // we have arrived at the sought interval - break seek; - - } - - } - - // prepare binary search on the left side of the index - right = i1; - i1 = 0; - break linear_scan; - - } - - // the interval is valid - - break validate_interval; - - } // linear scan - - // binary search - - while ( i1 < right ) { - - var mid = ( i1 + right ) >>> 1; - - if ( t < pp[ mid ] ) { - - right = mid; - - } else { - - i1 = mid + 1; - - } - - } - - t1 = pp[ i1 ]; - t0 = pp[ i1 - 1 ]; - - // check boundary cases, again - - if ( t0 === undefined ) { - - this._cachedIndex = 0; - return this.beforeStart_( 0, t, t1 ); - - } - - if ( t1 === undefined ) { - - i1 = pp.length; - this._cachedIndex = i1; - return this.afterEnd_( i1 - 1, t0, t ); - - } - - } // seek - - this._cachedIndex = i1; - - this.intervalChanged_( i1, t0, t1 ); - - } // validate_interval - - return this.interpolate_( i1, t0, t, t1 ); - - }, - - settings: null, // optional, subclass-specific settings structure - // Note: The indirection allows central control of many interpolants. - - // --- Protected interface - - DefaultSettings_: {}, - - getSettings_: function () { - - return this.settings || this.DefaultSettings_; - - }, - - copySampleValue_: function ( index ) { - - // copies a sample value to the result buffer - - var result = this.resultBuffer, - values = this.sampleValues, - stride = this.valueSize, - offset = index * stride; - - for ( var i = 0; i !== stride; ++ i ) { - - result[ i ] = values[ offset + i ]; - - } - - return result; - - }, - - // Template methods for derived classes: - - interpolate_: function ( /* i1, t0, t, t1 */ ) { - - throw new Error( 'call to abstract method' ); - // implementations shall return this.resultBuffer - - }, - - intervalChanged_: function ( /* i1, t0, t1 */ ) { - - // empty - - } - - } ); - - //!\ DECLARE ALIAS AFTER assign prototype ! - Object.assign( Interpolant.prototype, { - - //( 0, t, t0 ), returns this.resultBuffer - beforeStart_: Interpolant.prototype.copySampleValue_, - - //( N-1, tN-1, t ), returns this.resultBuffer - afterEnd_: Interpolant.prototype.copySampleValue_, - - } ); - - /** - * Fast and simple cubic spline interpolant. - * - * It was derived from a Hermitian construction setting the first derivative - * at each sample position to the linear slope between neighboring positions - * over their parameter interval. - * - * @author tschw - */ - - function CubicInterpolant( parameterPositions, sampleValues, sampleSize, resultBuffer ) { - - Interpolant.call( this, parameterPositions, sampleValues, sampleSize, resultBuffer ); - - this._weightPrev = - 0; - this._offsetPrev = - 0; - this._weightNext = - 0; - this._offsetNext = - 0; - - } - - CubicInterpolant.prototype = Object.assign( Object.create( Interpolant.prototype ), { - - constructor: CubicInterpolant, - - DefaultSettings_: { - - endingStart: ZeroCurvatureEnding, - endingEnd: ZeroCurvatureEnding - - }, - - intervalChanged_: function ( i1, t0, t1 ) { - - var pp = this.parameterPositions, - iPrev = i1 - 2, - iNext = i1 + 1, - - tPrev = pp[ iPrev ], - tNext = pp[ iNext ]; - - if ( tPrev === undefined ) { - - switch ( this.getSettings_().endingStart ) { - - case ZeroSlopeEnding: - - // f'(t0) = 0 - iPrev = i1; - tPrev = 2 * t0 - t1; - - break; - - case WrapAroundEnding: - - // use the other end of the curve - iPrev = pp.length - 2; - tPrev = t0 + pp[ iPrev ] - pp[ iPrev + 1 ]; - - break; - - default: // ZeroCurvatureEnding - - // f''(t0) = 0 a.k.a. Natural Spline - iPrev = i1; - tPrev = t1; - - } - - } - - if ( tNext === undefined ) { - - switch ( this.getSettings_().endingEnd ) { - - case ZeroSlopeEnding: - - // f'(tN) = 0 - iNext = i1; - tNext = 2 * t1 - t0; - - break; - - case WrapAroundEnding: - - // use the other end of the curve - iNext = 1; - tNext = t1 + pp[ 1 ] - pp[ 0 ]; - - break; - - default: // ZeroCurvatureEnding - - // f''(tN) = 0, a.k.a. Natural Spline - iNext = i1 - 1; - tNext = t0; - - } - - } - - var halfDt = ( t1 - t0 ) * 0.5, - stride = this.valueSize; - - this._weightPrev = halfDt / ( t0 - tPrev ); - this._weightNext = halfDt / ( tNext - t1 ); - this._offsetPrev = iPrev * stride; - this._offsetNext = iNext * stride; - - }, - - interpolate_: function ( i1, t0, t, t1 ) { - - var result = this.resultBuffer, - values = this.sampleValues, - stride = this.valueSize, - - o1 = i1 * stride, o0 = o1 - stride, - oP = this._offsetPrev, oN = this._offsetNext, - wP = this._weightPrev, wN = this._weightNext, - - p = ( t - t0 ) / ( t1 - t0 ), - pp = p * p, - ppp = pp * p; - - // evaluate polynomials - - var sP = - wP * ppp + 2 * wP * pp - wP * p; - var s0 = ( 1 + wP ) * ppp + ( - 1.5 - 2 * wP ) * pp + ( - 0.5 + wP ) * p + 1; - var s1 = ( - 1 - wN ) * ppp + ( 1.5 + wN ) * pp + 0.5 * p; - var sN = wN * ppp - wN * pp; - - // combine data linearly - - for ( var i = 0; i !== stride; ++ i ) { - - result[ i ] = - sP * values[ oP + i ] + - s0 * values[ o0 + i ] + - s1 * values[ o1 + i ] + - sN * values[ oN + i ]; - - } - - return result; - - } - - } ); - - /** - * @author tschw - */ - - function LinearInterpolant( parameterPositions, sampleValues, sampleSize, resultBuffer ) { - - Interpolant.call( this, parameterPositions, sampleValues, sampleSize, resultBuffer ); - - } - - LinearInterpolant.prototype = Object.assign( Object.create( Interpolant.prototype ), { - - constructor: LinearInterpolant, - - interpolate_: function ( i1, t0, t, t1 ) { - - var result = this.resultBuffer, - values = this.sampleValues, - stride = this.valueSize, - - offset1 = i1 * stride, - offset0 = offset1 - stride, - - weight1 = ( t - t0 ) / ( t1 - t0 ), - weight0 = 1 - weight1; - - for ( var i = 0; i !== stride; ++ i ) { - - result[ i ] = - values[ offset0 + i ] * weight0 + - values[ offset1 + i ] * weight1; - - } - - return result; - - } - - } ); - - /** - * - * Interpolant that evaluates to the sample value at the position preceeding - * the parameter. - * - * @author tschw - */ - - function DiscreteInterpolant( parameterPositions, sampleValues, sampleSize, resultBuffer ) { - - Interpolant.call( this, parameterPositions, sampleValues, sampleSize, resultBuffer ); - - } - - DiscreteInterpolant.prototype = Object.assign( Object.create( Interpolant.prototype ), { - - constructor: DiscreteInterpolant, - - interpolate_: function ( i1 /*, t0, t, t1 */ ) { - - return this.copySampleValue_( i1 - 1 ); - - } - - } ); - - /** - * - * A timed sequence of keyframes for a specific property. - * - * - * @author Ben Houston / http://clara.io/ - * @author David Sarno / http://lighthaus.us/ - * @author tschw - */ - - function KeyframeTrack( name, times, values, interpolation ) { - - if ( name === undefined ) throw new Error( 'THREE.KeyframeTrack: track name is undefined' ); - if ( times === undefined || times.length === 0 ) throw new Error( 'THREE.KeyframeTrack: no keyframes in track named ' + name ); - - this.name = name; - - this.times = AnimationUtils.convertArray( times, this.TimeBufferType ); - this.values = AnimationUtils.convertArray( values, this.ValueBufferType ); - - this.setInterpolation( interpolation || this.DefaultInterpolation ); - - } - - // Static methods - - Object.assign( KeyframeTrack, { - - // Serialization (in static context, because of constructor invocation - // and automatic invocation of .toJSON): - - toJSON: function ( track ) { - - var trackType = track.constructor; - - var json; - - // derived classes can define a static toJSON method - if ( trackType.toJSON !== undefined ) { - - json = trackType.toJSON( track ); - - } else { - - // by default, we assume the data can be serialized as-is - json = { - - 'name': track.name, - 'times': AnimationUtils.convertArray( track.times, Array ), - 'values': AnimationUtils.convertArray( track.values, Array ) - - }; - - var interpolation = track.getInterpolation(); - - if ( interpolation !== track.DefaultInterpolation ) { - - json.interpolation = interpolation; - - } - - } - - json.type = track.ValueTypeName; // mandatory - - return json; - - } - - } ); - - Object.assign( KeyframeTrack.prototype, { - - constructor: KeyframeTrack, - - TimeBufferType: Float32Array, - - ValueBufferType: Float32Array, - - DefaultInterpolation: InterpolateLinear, - - InterpolantFactoryMethodDiscrete: function ( result ) { - - return new DiscreteInterpolant( this.times, this.values, this.getValueSize(), result ); - - }, - - InterpolantFactoryMethodLinear: function ( result ) { - - return new LinearInterpolant( this.times, this.values, this.getValueSize(), result ); - - }, - - InterpolantFactoryMethodSmooth: function ( result ) { - - return new CubicInterpolant( this.times, this.values, this.getValueSize(), result ); - - }, - - setInterpolation: function ( interpolation ) { - - var factoryMethod; - - switch ( interpolation ) { - - case InterpolateDiscrete: - - factoryMethod = this.InterpolantFactoryMethodDiscrete; - - break; - - case InterpolateLinear: - - factoryMethod = this.InterpolantFactoryMethodLinear; - - break; - - case InterpolateSmooth: - - factoryMethod = this.InterpolantFactoryMethodSmooth; - - break; - - } - - if ( factoryMethod === undefined ) { - - var message = "unsupported interpolation for " + - this.ValueTypeName + " keyframe track named " + this.name; - - if ( this.createInterpolant === undefined ) { - - // fall back to default, unless the default itself is messed up - if ( interpolation !== this.DefaultInterpolation ) { - - this.setInterpolation( this.DefaultInterpolation ); - - } else { - - throw new Error( message ); // fatal, in this case - - } - - } - - console.warn( 'THREE.KeyframeTrack:', message ); - return this; - - } - - this.createInterpolant = factoryMethod; - - return this; - - }, - - getInterpolation: function () { - - switch ( this.createInterpolant ) { - - case this.InterpolantFactoryMethodDiscrete: - - return InterpolateDiscrete; - - case this.InterpolantFactoryMethodLinear: - - return InterpolateLinear; - - case this.InterpolantFactoryMethodSmooth: - - return InterpolateSmooth; - - } - - }, - - getValueSize: function () { - - return this.values.length / this.times.length; - - }, - - // move all keyframes either forwards or backwards in time - shift: function ( timeOffset ) { - - if ( timeOffset !== 0.0 ) { - - var times = this.times; - - for ( var i = 0, n = times.length; i !== n; ++ i ) { - - times[ i ] += timeOffset; - - } - - } - - return this; - - }, - - // scale all keyframe times by a factor (useful for frame <-> seconds conversions) - scale: function ( timeScale ) { - - if ( timeScale !== 1.0 ) { - - var times = this.times; - - for ( var i = 0, n = times.length; i !== n; ++ i ) { - - times[ i ] *= timeScale; - - } - - } - - return this; - - }, - - // removes keyframes before and after animation without changing any values within the range [startTime, endTime]. - // IMPORTANT: We do not shift around keys to the start of the track time, because for interpolated keys this will change their values - trim: function ( startTime, endTime ) { - - var times = this.times, - nKeys = times.length, - from = 0, - to = nKeys - 1; - - while ( from !== nKeys && times[ from ] < startTime ) { - - ++ from; - - } - - while ( to !== - 1 && times[ to ] > endTime ) { - - -- to; - - } - - ++ to; // inclusive -> exclusive bound - - if ( from !== 0 || to !== nKeys ) { - - // empty tracks are forbidden, so keep at least one keyframe - if ( from >= to ) to = Math.max( to, 1 ), from = to - 1; - - var stride = this.getValueSize(); - this.times = AnimationUtils.arraySlice( times, from, to ); - this.values = AnimationUtils.arraySlice( this.values, from * stride, to * stride ); - - } - - return this; - - }, - - // ensure we do not get a GarbageInGarbageOut situation, make sure tracks are at least minimally viable - validate: function () { - - var valid = true; - - var valueSize = this.getValueSize(); - if ( valueSize - Math.floor( valueSize ) !== 0 ) { - - console.error( 'THREE.KeyframeTrack: Invalid value size in track.', this ); - valid = false; - - } - - var times = this.times, - values = this.values, - - nKeys = times.length; - - if ( nKeys === 0 ) { - - console.error( 'THREE.KeyframeTrack: Track is empty.', this ); - valid = false; - - } - - var prevTime = null; - - for ( var i = 0; i !== nKeys; i ++ ) { - - var currTime = times[ i ]; - - if ( typeof currTime === 'number' && isNaN( currTime ) ) { - - console.error( 'THREE.KeyframeTrack: Time is not a valid number.', this, i, currTime ); - valid = false; - break; - - } - - if ( prevTime !== null && prevTime > currTime ) { - - console.error( 'THREE.KeyframeTrack: Out of order keys.', this, i, currTime, prevTime ); - valid = false; - break; - - } - - prevTime = currTime; - - } - - if ( values !== undefined ) { - - if ( AnimationUtils.isTypedArray( values ) ) { - - for ( var i = 0, n = values.length; i !== n; ++ i ) { - - var value = values[ i ]; - - if ( isNaN( value ) ) { - - console.error( 'THREE.KeyframeTrack: Value is not a valid number.', this, i, value ); - valid = false; - break; - - } - - } - - } - - } - - return valid; - - }, - - // removes equivalent sequential keys as common in morph target sequences - // (0,0,0,0,1,1,1,0,0,0,0,0,0,0) --> (0,0,1,1,0,0) - optimize: function () { - - var times = this.times, - values = this.values, - stride = this.getValueSize(), - - smoothInterpolation = this.getInterpolation() === InterpolateSmooth, - - writeIndex = 1, - lastIndex = times.length - 1; - - for ( var i = 1; i < lastIndex; ++ i ) { - - var keep = false; - - var time = times[ i ]; - var timeNext = times[ i + 1 ]; - - // remove adjacent keyframes scheduled at the same time - - if ( time !== timeNext && ( i !== 1 || time !== time[ 0 ] ) ) { - - if ( ! smoothInterpolation ) { - - // remove unnecessary keyframes same as their neighbors - - var offset = i * stride, - offsetP = offset - stride, - offsetN = offset + stride; - - for ( var j = 0; j !== stride; ++ j ) { - - var value = values[ offset + j ]; - - if ( value !== values[ offsetP + j ] || - value !== values[ offsetN + j ] ) { - - keep = true; - break; - - } - - } - - } else { - - keep = true; - - } - - } - - // in-place compaction - - if ( keep ) { - - if ( i !== writeIndex ) { - - times[ writeIndex ] = times[ i ]; - - var readOffset = i * stride, - writeOffset = writeIndex * stride; - - for ( var j = 0; j !== stride; ++ j ) { - - values[ writeOffset + j ] = values[ readOffset + j ]; - - } - - } - - ++ writeIndex; - - } - - } - - // flush last keyframe (compaction looks ahead) - - if ( lastIndex > 0 ) { - - times[ writeIndex ] = times[ lastIndex ]; - - for ( var readOffset = lastIndex * stride, writeOffset = writeIndex * stride, j = 0; j !== stride; ++ j ) { - - values[ writeOffset + j ] = values[ readOffset + j ]; - - } - - ++ writeIndex; - - } - - if ( writeIndex !== times.length ) { - - this.times = AnimationUtils.arraySlice( times, 0, writeIndex ); - this.values = AnimationUtils.arraySlice( values, 0, writeIndex * stride ); - - } - - return this; - - }, - - clone: function () { - - var times = AnimationUtils.arraySlice( this.times, 0 ); - var values = AnimationUtils.arraySlice( this.values, 0 ); - - var TypedKeyframeTrack = this.constructor; - var track = new TypedKeyframeTrack( this.name, times, values ); - - // Interpolant argument to constructor is not saved, so copy the factory method directly. - track.createInterpolant = this.createInterpolant; - - return track; - - } - - } ); - - /** - * - * A Track of Boolean keyframe values. - * - * - * @author Ben Houston / http://clara.io/ - * @author David Sarno / http://lighthaus.us/ - * @author tschw - */ - - function BooleanKeyframeTrack( name, times, values ) { - - KeyframeTrack.call( this, name, times, values ); - - } - - BooleanKeyframeTrack.prototype = Object.assign( Object.create( KeyframeTrack.prototype ), { - - constructor: BooleanKeyframeTrack, - - ValueTypeName: 'bool', - ValueBufferType: Array, - - DefaultInterpolation: InterpolateDiscrete, - - InterpolantFactoryMethodLinear: undefined, - InterpolantFactoryMethodSmooth: undefined - - // Note: Actually this track could have a optimized / compressed - // representation of a single value and a custom interpolant that - // computes "firstValue ^ isOdd( index )". - - } ); - - /** - * - * A Track of keyframe values that represent color. - * - * - * @author Ben Houston / http://clara.io/ - * @author David Sarno / http://lighthaus.us/ - * @author tschw - */ - - function ColorKeyframeTrack( name, times, values, interpolation ) { - - KeyframeTrack.call( this, name, times, values, interpolation ); - - } - - ColorKeyframeTrack.prototype = Object.assign( Object.create( KeyframeTrack.prototype ), { - - constructor: ColorKeyframeTrack, - - ValueTypeName: 'color' - - // ValueBufferType is inherited - - // DefaultInterpolation is inherited - - // Note: Very basic implementation and nothing special yet. - // However, this is the place for color space parameterization. - - } ); - - /** - * - * A Track of numeric keyframe values. - * - * @author Ben Houston / http://clara.io/ - * @author David Sarno / http://lighthaus.us/ - * @author tschw - */ - - function NumberKeyframeTrack( name, times, values, interpolation ) { - - KeyframeTrack.call( this, name, times, values, interpolation ); - - } - - NumberKeyframeTrack.prototype = Object.assign( Object.create( KeyframeTrack.prototype ), { - - constructor: NumberKeyframeTrack, - - ValueTypeName: 'number' - - // ValueBufferType is inherited - - // DefaultInterpolation is inherited - - } ); - - /** - * Spherical linear unit quaternion interpolant. - * - * @author tschw - */ - - function QuaternionLinearInterpolant( parameterPositions, sampleValues, sampleSize, resultBuffer ) { - - Interpolant.call( this, parameterPositions, sampleValues, sampleSize, resultBuffer ); - - } - - QuaternionLinearInterpolant.prototype = Object.assign( Object.create( Interpolant.prototype ), { - - constructor: QuaternionLinearInterpolant, - - interpolate_: function ( i1, t0, t, t1 ) { - - var result = this.resultBuffer, - values = this.sampleValues, - stride = this.valueSize, - - offset = i1 * stride, - - alpha = ( t - t0 ) / ( t1 - t0 ); - - for ( var end = offset + stride; offset !== end; offset += 4 ) { - - Quaternion.slerpFlat( result, 0, values, offset - stride, values, offset, alpha ); - - } - - return result; - - } - - } ); - - /** - * - * A Track of quaternion keyframe values. - * - * @author Ben Houston / http://clara.io/ - * @author David Sarno / http://lighthaus.us/ - * @author tschw - */ - - function QuaternionKeyframeTrack( name, times, values, interpolation ) { - - KeyframeTrack.call( this, name, times, values, interpolation ); - - } - - QuaternionKeyframeTrack.prototype = Object.assign( Object.create( KeyframeTrack.prototype ), { - - constructor: QuaternionKeyframeTrack, - - ValueTypeName: 'quaternion', - - // ValueBufferType is inherited - - DefaultInterpolation: InterpolateLinear, - - InterpolantFactoryMethodLinear: function ( result ) { - - return new QuaternionLinearInterpolant( this.times, this.values, this.getValueSize(), result ); - - }, - - InterpolantFactoryMethodSmooth: undefined // not yet implemented - - } ); - - /** - * - * A Track that interpolates Strings - * - * - * @author Ben Houston / http://clara.io/ - * @author David Sarno / http://lighthaus.us/ - * @author tschw - */ - - function StringKeyframeTrack( name, times, values, interpolation ) { - - KeyframeTrack.call( this, name, times, values, interpolation ); - - } - - StringKeyframeTrack.prototype = Object.assign( Object.create( KeyframeTrack.prototype ), { - - constructor: StringKeyframeTrack, - - ValueTypeName: 'string', - ValueBufferType: Array, - - DefaultInterpolation: InterpolateDiscrete, - - InterpolantFactoryMethodLinear: undefined, - - InterpolantFactoryMethodSmooth: undefined - - } ); - - /** - * - * A Track of vectored keyframe values. - * - * - * @author Ben Houston / http://clara.io/ - * @author David Sarno / http://lighthaus.us/ - * @author tschw - */ - - function VectorKeyframeTrack( name, times, values, interpolation ) { - - KeyframeTrack.call( this, name, times, values, interpolation ); - - } - - VectorKeyframeTrack.prototype = Object.assign( Object.create( KeyframeTrack.prototype ), { - - constructor: VectorKeyframeTrack, - - ValueTypeName: 'vector' - - // ValueBufferType is inherited - - // DefaultInterpolation is inherited - - } ); - - /** - * - * Reusable set of Tracks that represent an animation. - * - * @author Ben Houston / http://clara.io/ - * @author David Sarno / http://lighthaus.us/ - */ - - function AnimationClip( name, duration, tracks ) { - - this.name = name; - this.tracks = tracks; - this.duration = ( duration !== undefined ) ? duration : - 1; - - this.uuid = _Math.generateUUID(); - - // this means it should figure out its duration by scanning the tracks - if ( this.duration < 0 ) { - - this.resetDuration(); - - } - - } - - function getTrackTypeForValueTypeName( typeName ) { - - switch ( typeName.toLowerCase() ) { - - case 'scalar': - case 'double': - case 'float': - case 'number': - case 'integer': - - return NumberKeyframeTrack; - - case 'vector': - case 'vector2': - case 'vector3': - case 'vector4': - - return VectorKeyframeTrack; - - case 'color': - - return ColorKeyframeTrack; - - case 'quaternion': - - return QuaternionKeyframeTrack; - - case 'bool': - case 'boolean': - - return BooleanKeyframeTrack; - - case 'string': - - return StringKeyframeTrack; - - } - - throw new Error( 'THREE.KeyframeTrack: Unsupported typeName: ' + typeName ); - - } - - function parseKeyframeTrack( json ) { - - if ( json.type === undefined ) { - - throw new Error( 'THREE.KeyframeTrack: track type undefined, can not parse' ); - - } - - var trackType = getTrackTypeForValueTypeName( json.type ); - - if ( json.times === undefined ) { - - var times = [], values = []; - - AnimationUtils.flattenJSON( json.keys, times, values, 'value' ); - - json.times = times; - json.values = values; - - } - - // derived classes can define a static parse method - if ( trackType.parse !== undefined ) { - - return trackType.parse( json ); - - } else { - - // by default, we assume a constructor compatible with the base - return new trackType( json.name, json.times, json.values, json.interpolation ); - - } - - } - - Object.assign( AnimationClip, { - - parse: function ( json ) { - - var tracks = [], - jsonTracks = json.tracks, - frameTime = 1.0 / ( json.fps || 1.0 ); - - for ( var i = 0, n = jsonTracks.length; i !== n; ++ i ) { - - tracks.push( parseKeyframeTrack( jsonTracks[ i ] ).scale( frameTime ) ); - - } - - return new AnimationClip( json.name, json.duration, tracks ); - - }, - - toJSON: function ( clip ) { - - var tracks = [], - clipTracks = clip.tracks; - - var json = { - - 'name': clip.name, - 'duration': clip.duration, - 'tracks': tracks, - 'uuid': clip.uuid - - }; - - for ( var i = 0, n = clipTracks.length; i !== n; ++ i ) { - - tracks.push( KeyframeTrack.toJSON( clipTracks[ i ] ) ); - - } - - return json; - - }, - - CreateFromMorphTargetSequence: function ( name, morphTargetSequence, fps, noLoop ) { - - var numMorphTargets = morphTargetSequence.length; - var tracks = []; - - for ( var i = 0; i < numMorphTargets; i ++ ) { - - var times = []; - var values = []; - - times.push( - ( i + numMorphTargets - 1 ) % numMorphTargets, - i, - ( i + 1 ) % numMorphTargets ); - - values.push( 0, 1, 0 ); - - var order = AnimationUtils.getKeyframeOrder( times ); - times = AnimationUtils.sortedArray( times, 1, order ); - values = AnimationUtils.sortedArray( values, 1, order ); - - // if there is a key at the first frame, duplicate it as the - // last frame as well for perfect loop. - if ( ! noLoop && times[ 0 ] === 0 ) { - - times.push( numMorphTargets ); - values.push( values[ 0 ] ); - - } - - tracks.push( - new NumberKeyframeTrack( - '.morphTargetInfluences[' + morphTargetSequence[ i ].name + ']', - times, values - ).scale( 1.0 / fps ) ); - - } - - return new AnimationClip( name, - 1, tracks ); - - }, - - findByName: function ( objectOrClipArray, name ) { - - var clipArray = objectOrClipArray; - - if ( ! Array.isArray( objectOrClipArray ) ) { - - var o = objectOrClipArray; - clipArray = o.geometry && o.geometry.animations || o.animations; - - } - - for ( var i = 0; i < clipArray.length; i ++ ) { - - if ( clipArray[ i ].name === name ) { - - return clipArray[ i ]; - - } - - } - - return null; - - }, - - CreateClipsFromMorphTargetSequences: function ( morphTargets, fps, noLoop ) { - - var animationToMorphTargets = {}; - - // tested with https://regex101.com/ on trick sequences - // such flamingo_flyA_003, flamingo_run1_003, crdeath0059 - var pattern = /^([\w-]*?)([\d]+)$/; - - // sort morph target names into animation groups based - // patterns like Walk_001, Walk_002, Run_001, Run_002 - for ( var i = 0, il = morphTargets.length; i < il; i ++ ) { - - var morphTarget = morphTargets[ i ]; - var parts = morphTarget.name.match( pattern ); - - if ( parts && parts.length > 1 ) { - - var name = parts[ 1 ]; - - var animationMorphTargets = animationToMorphTargets[ name ]; - if ( ! animationMorphTargets ) { - - animationToMorphTargets[ name ] = animationMorphTargets = []; - - } - - animationMorphTargets.push( morphTarget ); - - } - - } - - var clips = []; - - for ( var name in animationToMorphTargets ) { - - clips.push( AnimationClip.CreateFromMorphTargetSequence( name, animationToMorphTargets[ name ], fps, noLoop ) ); - - } - - return clips; - - }, - - // parse the animation.hierarchy format - parseAnimation: function ( animation, bones ) { - - if ( ! animation ) { - - console.error( 'THREE.AnimationClip: No animation in JSONLoader data.' ); - return null; - - } - - var addNonemptyTrack = function ( trackType, trackName, animationKeys, propertyName, destTracks ) { - - // only return track if there are actually keys. - if ( animationKeys.length !== 0 ) { - - var times = []; - var values = []; - - AnimationUtils.flattenJSON( animationKeys, times, values, propertyName ); - - // empty keys are filtered out, so check again - if ( times.length !== 0 ) { - - destTracks.push( new trackType( trackName, times, values ) ); - - } - - } - - }; - - var tracks = []; - - var clipName = animation.name || 'default'; - // automatic length determination in AnimationClip. - var duration = animation.length || - 1; - var fps = animation.fps || 30; - - var hierarchyTracks = animation.hierarchy || []; - - for ( var h = 0; h < hierarchyTracks.length; h ++ ) { - - var animationKeys = hierarchyTracks[ h ].keys; - - // skip empty tracks - if ( ! animationKeys || animationKeys.length === 0 ) continue; - - // process morph targets - if ( animationKeys[ 0 ].morphTargets ) { - - // figure out all morph targets used in this track - var morphTargetNames = {}; - - for ( var k = 0; k < animationKeys.length; k ++ ) { - - if ( animationKeys[ k ].morphTargets ) { - - for ( var m = 0; m < animationKeys[ k ].morphTargets.length; m ++ ) { - - morphTargetNames[ animationKeys[ k ].morphTargets[ m ] ] = - 1; - - } - - } - - } - - // create a track for each morph target with all zero - // morphTargetInfluences except for the keys in which - // the morphTarget is named. - for ( var morphTargetName in morphTargetNames ) { - - var times = []; - var values = []; - - for ( var m = 0; m !== animationKeys[ k ].morphTargets.length; ++ m ) { - - var animationKey = animationKeys[ k ]; - - times.push( animationKey.time ); - values.push( ( animationKey.morphTarget === morphTargetName ) ? 1 : 0 ); - - } - - tracks.push( new NumberKeyframeTrack( '.morphTargetInfluence[' + morphTargetName + ']', times, values ) ); - - } - - duration = morphTargetNames.length * ( fps || 1.0 ); - - } else { - - // ...assume skeletal animation - - var boneName = '.bones[' + bones[ h ].name + ']'; - - addNonemptyTrack( - VectorKeyframeTrack, boneName + '.position', - animationKeys, 'pos', tracks ); - - addNonemptyTrack( - QuaternionKeyframeTrack, boneName + '.quaternion', - animationKeys, 'rot', tracks ); - - addNonemptyTrack( - VectorKeyframeTrack, boneName + '.scale', - animationKeys, 'scl', tracks ); - - } - - } - - if ( tracks.length === 0 ) { - - return null; - - } - - var clip = new AnimationClip( clipName, duration, tracks ); - - return clip; - - } - - } ); - - Object.assign( AnimationClip.prototype, { - - resetDuration: function () { - - var tracks = this.tracks, duration = 0; - - for ( var i = 0, n = tracks.length; i !== n; ++ i ) { - - var track = this.tracks[ i ]; - - duration = Math.max( duration, track.times[ track.times.length - 1 ] ); - - } - - this.duration = duration; - - return this; - - }, - - trim: function () { - - for ( var i = 0; i < this.tracks.length; i ++ ) { - - this.tracks[ i ].trim( 0, this.duration ); - - } - - return this; - - }, - - validate: function () { - - var valid = true; - - for ( var i = 0; i < this.tracks.length; i ++ ) { - - valid = valid && this.tracks[ i ].validate(); - - } - - return valid; - - }, - - optimize: function () { - - for ( var i = 0; i < this.tracks.length; i ++ ) { - - this.tracks[ i ].optimize(); - - } - - return this; - - }, - - - clone: function () { - - var tracks = []; - - for ( var i = 0; i < this.tracks.length; i ++ ) { - - tracks.push( this.tracks[ i ].clone() ); - - } - - return new AnimationClip( this.name, this.duration, tracks ); - - } - - } ); - - /** - * @author mrdoob / http://mrdoob.com/ - */ - - var Cache = { - - enabled: false, - - files: {}, - - add: function ( key, file ) { - - if ( this.enabled === false ) return; - - // console.log( 'THREE.Cache', 'Adding key:', key ); - - this.files[ key ] = file; - - }, - - get: function ( key ) { - - if ( this.enabled === false ) return; - - // console.log( 'THREE.Cache', 'Checking key:', key ); - - return this.files[ key ]; - - }, - - remove: function ( key ) { - - delete this.files[ key ]; - - }, - - clear: function () { - - this.files = {}; - - } - - }; - - /** - * @author mrdoob / http://mrdoob.com/ - */ - - function LoadingManager( onLoad, onProgress, onError ) { - - var scope = this; - - var isLoading = false; - var itemsLoaded = 0; - var itemsTotal = 0; - var urlModifier = undefined; - - // Refer to #5689 for the reason why we don't set .onStart - // in the constructor - - this.onStart = undefined; - this.onLoad = onLoad; - this.onProgress = onProgress; - this.onError = onError; - - this.itemStart = function ( url ) { - - itemsTotal ++; - - if ( isLoading === false ) { - - if ( scope.onStart !== undefined ) { - - scope.onStart( url, itemsLoaded, itemsTotal ); - - } - - } - - isLoading = true; - - }; - - this.itemEnd = function ( url ) { - - itemsLoaded ++; - - if ( scope.onProgress !== undefined ) { - - scope.onProgress( url, itemsLoaded, itemsTotal ); - - } - - if ( itemsLoaded === itemsTotal ) { - - isLoading = false; - - if ( scope.onLoad !== undefined ) { - - scope.onLoad(); - - } - - } - - }; - - this.itemError = function ( url ) { - - if ( scope.onError !== undefined ) { - - scope.onError( url ); - - } - - }; - - this.resolveURL = function ( url ) { - - if ( urlModifier ) { - - return urlModifier( url ); - - } - - return url; - - }; - - this.setURLModifier = function ( transform ) { - - urlModifier = transform; - return this; - - }; - - } - - var DefaultLoadingManager = new LoadingManager(); - - /** - * @author alteredq / http://alteredqualia.com/ - */ - - function Loader( manager ) { - - this.manager = ( manager !== undefined ) ? manager : DefaultLoadingManager; - - this.crossOrigin = 'anonymous'; - this.path = ''; - this.resourcePath = ''; - - } - - Object.assign( Loader.prototype, { - - load: function ( /* url, onLoad, onProgress, onError */ ) {}, - - parse: function ( /* data */ ) {}, - - setCrossOrigin: function ( crossOrigin ) { - - this.crossOrigin = crossOrigin; - return this; - - }, - - setPath: function ( path ) { - - this.path = path; - return this; - - }, - - setResourcePath: function ( resourcePath ) { - - this.resourcePath = resourcePath; - return this; - - } - - } ); - - // - - Loader.Handlers = { - - handlers: [], - - add: function ( regex, loader ) { - - this.handlers.push( regex, loader ); - - }, - - get: function ( file ) { - - var handlers = this.handlers; - - for ( var i = 0, l = handlers.length; i < l; i += 2 ) { - - var regex = handlers[ i ]; - var loader = handlers[ i + 1 ]; - - if ( regex.test( file ) ) { - - return loader; - - } - - } - - return null; - - } - - }; - - /** - * @author mrdoob / http://mrdoob.com/ - */ - - var loading = {}; - - function FileLoader( manager ) { - - Loader.call( this, manager ); - - } - - FileLoader.prototype = Object.assign( Object.create( Loader.prototype ), { - - constructor: FileLoader, - - load: function ( url, onLoad, onProgress, onError ) { - - if ( url === undefined ) url = ''; - - if ( this.path !== undefined ) url = this.path + url; - - url = this.manager.resolveURL( url ); - - var scope = this; - - var cached = Cache.get( url ); - - if ( cached !== undefined ) { - - scope.manager.itemStart( url ); - - setTimeout( function () { - - if ( onLoad ) onLoad( cached ); - - scope.manager.itemEnd( url ); - - }, 0 ); - - return cached; - - } - - // Check if request is duplicate - - if ( loading[ url ] !== undefined ) { - - loading[ url ].push( { - - onLoad: onLoad, - onProgress: onProgress, - onError: onError - - } ); - - return; - - } - - // Check for data: URI - var dataUriRegex = /^data:(.*?)(;base64)?,(.*)$/; - var dataUriRegexResult = url.match( dataUriRegex ); - - // Safari can not handle Data URIs through XMLHttpRequest so process manually - if ( dataUriRegexResult ) { - - var mimeType = dataUriRegexResult[ 1 ]; - var isBase64 = !! dataUriRegexResult[ 2 ]; - var data = dataUriRegexResult[ 3 ]; - - data = decodeURIComponent( data ); - - if ( isBase64 ) data = atob( data ); - - try { - - var response; - var responseType = ( this.responseType || '' ).toLowerCase(); - - switch ( responseType ) { - - case 'arraybuffer': - case 'blob': - - var view = new Uint8Array( data.length ); - - for ( var i = 0; i < data.length; i ++ ) { - - view[ i ] = data.charCodeAt( i ); - - } - - if ( responseType === 'blob' ) { - - response = new Blob( [ view.buffer ], { type: mimeType } ); - - } else { - - response = view.buffer; - - } - - break; - - case 'document': - - var parser = new DOMParser(); - response = parser.parseFromString( data, mimeType ); - - break; - - case 'json': - - response = JSON.parse( data ); - - break; - - default: // 'text' or other - - response = data; - - break; - - } - - // Wait for next browser tick like standard XMLHttpRequest event dispatching does - setTimeout( function () { - - if ( onLoad ) onLoad( response ); - - scope.manager.itemEnd( url ); - - }, 0 ); - - } catch ( error ) { - - // Wait for next browser tick like standard XMLHttpRequest event dispatching does - setTimeout( function () { - - if ( onError ) onError( error ); - - scope.manager.itemError( url ); - scope.manager.itemEnd( url ); - - }, 0 ); - - } - - } else { - - // Initialise array for duplicate requests - - loading[ url ] = []; - - loading[ url ].push( { - - onLoad: onLoad, - onProgress: onProgress, - onError: onError - - } ); - - var request = new XMLHttpRequest(); - - request.open( 'GET', url, true ); - - request.addEventListener( 'load', function ( event ) { - - var response = this.response; - - Cache.add( url, response ); - - var callbacks = loading[ url ]; - - delete loading[ url ]; - - if ( this.status === 200 || this.status === 0 ) { - - // Some browsers return HTTP Status 0 when using non-http protocol - // e.g. 'file://' or 'data://'. Handle as success. - - if ( this.status === 0 ) console.warn( 'THREE.FileLoader: HTTP Status 0 received.' ); - - for ( var i = 0, il = callbacks.length; i < il; i ++ ) { - - var callback = callbacks[ i ]; - if ( callback.onLoad ) callback.onLoad( response ); - - } - - scope.manager.itemEnd( url ); - - } else { - - for ( var i = 0, il = callbacks.length; i < il; i ++ ) { - - var callback = callbacks[ i ]; - if ( callback.onError ) callback.onError( event ); - - } - - scope.manager.itemError( url ); - scope.manager.itemEnd( url ); - - } - - }, false ); - - request.addEventListener( 'progress', function ( event ) { - - var callbacks = loading[ url ]; - - for ( var i = 0, il = callbacks.length; i < il; i ++ ) { - - var callback = callbacks[ i ]; - if ( callback.onProgress ) callback.onProgress( event ); - - } - - }, false ); - - request.addEventListener( 'error', function ( event ) { - - var callbacks = loading[ url ]; - - delete loading[ url ]; - - for ( var i = 0, il = callbacks.length; i < il; i ++ ) { - - var callback = callbacks[ i ]; - if ( callback.onError ) callback.onError( event ); - - } - - scope.manager.itemError( url ); - scope.manager.itemEnd( url ); - - }, false ); - - request.addEventListener( 'abort', function ( event ) { - - var callbacks = loading[ url ]; - - delete loading[ url ]; - - for ( var i = 0, il = callbacks.length; i < il; i ++ ) { - - var callback = callbacks[ i ]; - if ( callback.onError ) callback.onError( event ); - - } - - scope.manager.itemError( url ); - scope.manager.itemEnd( url ); - - }, false ); - - if ( this.responseType !== undefined ) request.responseType = this.responseType; - if ( this.withCredentials !== undefined ) request.withCredentials = this.withCredentials; - - if ( request.overrideMimeType ) request.overrideMimeType( this.mimeType !== undefined ? this.mimeType : 'text/plain' ); - - for ( var header in this.requestHeader ) { - - request.setRequestHeader( header, this.requestHeader[ header ] ); - - } - - request.send( null ); - - } - - scope.manager.itemStart( url ); - - return request; - - }, - - setResponseType: function ( value ) { - - this.responseType = value; - return this; - - }, - - setWithCredentials: function ( value ) { - - this.withCredentials = value; - return this; - - }, - - setMimeType: function ( value ) { - - this.mimeType = value; - return this; - - }, - - setRequestHeader: function ( value ) { - - this.requestHeader = value; - return this; - - } - - } ); - - /** - * @author bhouston / http://clara.io/ - */ - - function AnimationLoader( manager ) { - - Loader.call( this, manager ); - - } - - AnimationLoader.prototype = Object.assign( Object.create( Loader.prototype ), { - - constructor: AnimationLoader, - - load: function ( url, onLoad, onProgress, onError ) { - - var scope = this; - - var loader = new FileLoader( scope.manager ); - loader.setPath( scope.path ); - loader.load( url, function ( text ) { - - onLoad( scope.parse( JSON.parse( text ) ) ); - - }, onProgress, onError ); - - }, - - parse: function ( json ) { - - var animations = []; - - for ( var i = 0; i < json.length; i ++ ) { - - var clip = AnimationClip.parse( json[ i ] ); - - animations.push( clip ); - - } - - return animations; - - } - - } ); - - /** - * @author mrdoob / http://mrdoob.com/ - * - * Abstract Base class to block based textures loader (dds, pvr, ...) - */ - - function CompressedTextureLoader( manager ) { - - Loader.call( this, manager ); - - // override in sub classes - this._parser = null; - - } - - CompressedTextureLoader.prototype = Object.assign( Object.create( Loader.prototype ), { - - constructor: CompressedTextureLoader, - - load: function ( url, onLoad, onProgress, onError ) { - - var scope = this; - - var images = []; - - var texture = new CompressedTexture(); - texture.image = images; - - var loader = new FileLoader( this.manager ); - loader.setPath( this.path ); - loader.setResponseType( 'arraybuffer' ); - - function loadTexture( i ) { - - loader.load( url[ i ], function ( buffer ) { - - var texDatas = scope._parser( buffer, true ); - - images[ i ] = { - width: texDatas.width, - height: texDatas.height, - format: texDatas.format, - mipmaps: texDatas.mipmaps - }; - - loaded += 1; - - if ( loaded === 6 ) { - - if ( texDatas.mipmapCount === 1 ) - texture.minFilter = LinearFilter; - - texture.format = texDatas.format; - texture.needsUpdate = true; - - if ( onLoad ) onLoad( texture ); - - } - - }, onProgress, onError ); - - } - - if ( Array.isArray( url ) ) { - - var loaded = 0; - - for ( var i = 0, il = url.length; i < il; ++ i ) { - - loadTexture( i ); - - } - - } else { - - // compressed cubemap texture stored in a single DDS file - - loader.load( url, function ( buffer ) { - - var texDatas = scope._parser( buffer, true ); - - if ( texDatas.isCubemap ) { - - var faces = texDatas.mipmaps.length / texDatas.mipmapCount; - - for ( var f = 0; f < faces; f ++ ) { - - images[ f ] = { mipmaps: [] }; - - for ( var i = 0; i < texDatas.mipmapCount; i ++ ) { - - images[ f ].mipmaps.push( texDatas.mipmaps[ f * texDatas.mipmapCount + i ] ); - images[ f ].format = texDatas.format; - images[ f ].width = texDatas.width; - images[ f ].height = texDatas.height; - - } - - } - - } else { - - texture.image.width = texDatas.width; - texture.image.height = texDatas.height; - texture.mipmaps = texDatas.mipmaps; - - } - - if ( texDatas.mipmapCount === 1 ) { - - texture.minFilter = LinearFilter; - - } - - texture.format = texDatas.format; - texture.needsUpdate = true; - - if ( onLoad ) onLoad( texture ); - - }, onProgress, onError ); - - } - - return texture; - - } - - } ); - - /** - * @author Nikos M. / https://github.com/foo123/ - * - * Abstract Base class to load generic binary textures formats (rgbe, hdr, ...) - */ - - function DataTextureLoader( manager ) { - - Loader.call( this, manager ); - - // override in sub classes - this._parser = null; - - } - - DataTextureLoader.prototype = Object.assign( Object.create( Loader.prototype ), { - - constructor: DataTextureLoader, - - load: function ( url, onLoad, onProgress, onError ) { - - var scope = this; - - var texture = new DataTexture(); - - var loader = new FileLoader( this.manager ); - loader.setResponseType( 'arraybuffer' ); - loader.setPath( this.path ); - loader.load( url, function ( buffer ) { - - var texData = scope._parser( buffer ); - - if ( ! texData ) return; - - if ( texData.image !== undefined ) { - - texture.image = texData.image; - - } else if ( texData.data !== undefined ) { - - texture.image.width = texData.width; - texture.image.height = texData.height; - texture.image.data = texData.data; - - } - - texture.wrapS = texData.wrapS !== undefined ? texData.wrapS : ClampToEdgeWrapping; - texture.wrapT = texData.wrapT !== undefined ? texData.wrapT : ClampToEdgeWrapping; - - texture.magFilter = texData.magFilter !== undefined ? texData.magFilter : LinearFilter; - texture.minFilter = texData.minFilter !== undefined ? texData.minFilter : LinearMipmapLinearFilter; - - texture.anisotropy = texData.anisotropy !== undefined ? texData.anisotropy : 1; - - if ( texData.format !== undefined ) { - - texture.format = texData.format; - - } - if ( texData.type !== undefined ) { - - texture.type = texData.type; - - } - - if ( texData.mipmaps !== undefined ) { - - texture.mipmaps = texData.mipmaps; - - } - - if ( texData.mipmapCount === 1 ) { - - texture.minFilter = LinearFilter; - - } - - texture.needsUpdate = true; - - if ( onLoad ) onLoad( texture, texData ); - - }, onProgress, onError ); - - - return texture; - - } - - } ); - - /** - * @author mrdoob / http://mrdoob.com/ - */ - - function ImageLoader( manager ) { - - Loader.call( this, manager ); - - } - - ImageLoader.prototype = Object.assign( Object.create( Loader.prototype ), { - - constructor: ImageLoader, - - load: function ( url, onLoad, onProgress, onError ) { - - if ( this.path !== undefined ) url = this.path + url; - - url = this.manager.resolveURL( url ); - - var scope = this; - - var cached = Cache.get( url ); - - if ( cached !== undefined ) { - - scope.manager.itemStart( url ); - - setTimeout( function () { - - if ( onLoad ) onLoad( cached ); - - scope.manager.itemEnd( url ); - - }, 0 ); - - return cached; - - } - - var image = document.createElementNS( 'http://www.w3.org/1999/xhtml', 'img' ); - - function onImageLoad() { - - image.removeEventListener( 'load', onImageLoad, false ); - image.removeEventListener( 'error', onImageError, false ); - - Cache.add( url, this ); - - if ( onLoad ) onLoad( this ); - - scope.manager.itemEnd( url ); - - } - - function onImageError( event ) { - - image.removeEventListener( 'load', onImageLoad, false ); - image.removeEventListener( 'error', onImageError, false ); - - if ( onError ) onError( event ); - - scope.manager.itemError( url ); - scope.manager.itemEnd( url ); - - } - - image.addEventListener( 'load', onImageLoad, false ); - image.addEventListener( 'error', onImageError, false ); - - if ( url.substr( 0, 5 ) !== 'data:' ) { - - if ( this.crossOrigin !== undefined ) image.crossOrigin = this.crossOrigin; - - } - - scope.manager.itemStart( url ); - - image.src = url; - - return image; - - } - - } ); - - /** - * @author mrdoob / http://mrdoob.com/ - */ - - - function CubeTextureLoader( manager ) { - - Loader.call( this, manager ); - - } - - CubeTextureLoader.prototype = Object.assign( Object.create( Loader.prototype ), { - - constructor: CubeTextureLoader, - - load: function ( urls, onLoad, onProgress, onError ) { - - var texture = new CubeTexture(); - - var loader = new ImageLoader( this.manager ); - loader.setCrossOrigin( this.crossOrigin ); - loader.setPath( this.path ); - - var loaded = 0; - - function loadTexture( i ) { - - loader.load( urls[ i ], function ( image ) { - - texture.images[ i ] = image; - - loaded ++; - - if ( loaded === 6 ) { - - texture.needsUpdate = true; - - if ( onLoad ) onLoad( texture ); - - } - - }, undefined, onError ); - - } - - for ( var i = 0; i < urls.length; ++ i ) { - - loadTexture( i ); - - } - - return texture; - - } - - } ); - - /** - * @author mrdoob / http://mrdoob.com/ - */ - - function TextureLoader( manager ) { - - Loader.call( this, manager ); - - } - - TextureLoader.prototype = Object.assign( Object.create( Loader.prototype ), { - - constructor: TextureLoader, - - load: function ( url, onLoad, onProgress, onError ) { - - var texture = new Texture(); - - var loader = new ImageLoader( this.manager ); - loader.setCrossOrigin( this.crossOrigin ); - loader.setPath( this.path ); - - loader.load( url, function ( image ) { - - texture.image = image; - - // JPEGs can't have an alpha channel, so memory can be saved by storing them as RGB. - var isJPEG = url.search( /\.jpe?g($|\?)/i ) > 0 || url.search( /^data\:image\/jpeg/ ) === 0; - - texture.format = isJPEG ? RGBFormat : RGBAFormat; - texture.needsUpdate = true; - - if ( onLoad !== undefined ) { - - onLoad( texture ); - - } - - }, onProgress, onError ); - - return texture; - - } - - } ); - - /** - * @author zz85 / http://www.lab4games.net/zz85/blog - * Extensible curve object - * - * Some common of curve methods: - * .getPoint( t, optionalTarget ), .getTangent( t ) - * .getPointAt( u, optionalTarget ), .getTangentAt( u ) - * .getPoints(), .getSpacedPoints() - * .getLength() - * .updateArcLengths() - * - * This following curves inherit from THREE.Curve: - * - * -- 2D curves -- - * THREE.ArcCurve - * THREE.CubicBezierCurve - * THREE.EllipseCurve - * THREE.LineCurve - * THREE.QuadraticBezierCurve - * THREE.SplineCurve - * - * -- 3D curves -- - * THREE.CatmullRomCurve3 - * THREE.CubicBezierCurve3 - * THREE.LineCurve3 - * THREE.QuadraticBezierCurve3 - * - * A series of curves can be represented as a THREE.CurvePath. - * - **/ - - /************************************************************** - * Abstract Curve base class - **************************************************************/ - - function Curve() { - - this.type = 'Curve'; - - this.arcLengthDivisions = 200; - - } - - Object.assign( Curve.prototype, { - - // Virtual base class method to overwrite and implement in subclasses - // - t [0 .. 1] - - getPoint: function ( /* t, optionalTarget */ ) { - - console.warn( 'THREE.Curve: .getPoint() not implemented.' ); - return null; - - }, - - // Get point at relative position in curve according to arc length - // - u [0 .. 1] - - getPointAt: function ( u, optionalTarget ) { - - var t = this.getUtoTmapping( u ); - return this.getPoint( t, optionalTarget ); - - }, - - // Get sequence of points using getPoint( t ) - - getPoints: function ( divisions ) { - - if ( divisions === undefined ) divisions = 5; - - var points = []; - - for ( var d = 0; d <= divisions; d ++ ) { - - points.push( this.getPoint( d / divisions ) ); - - } - - return points; - - }, - - // Get sequence of points using getPointAt( u ) - - getSpacedPoints: function ( divisions ) { - - if ( divisions === undefined ) divisions = 5; - - var points = []; - - for ( var d = 0; d <= divisions; d ++ ) { - - points.push( this.getPointAt( d / divisions ) ); - - } - - return points; - - }, - - // Get total curve arc length - - getLength: function () { - - var lengths = this.getLengths(); - return lengths[ lengths.length - 1 ]; - - }, - - // Get list of cumulative segment lengths - - getLengths: function ( divisions ) { - - if ( divisions === undefined ) divisions = this.arcLengthDivisions; - - if ( this.cacheArcLengths && - ( this.cacheArcLengths.length === divisions + 1 ) && - ! this.needsUpdate ) { - - return this.cacheArcLengths; - - } - - this.needsUpdate = false; - - var cache = []; - var current, last = this.getPoint( 0 ); - var p, sum = 0; - - cache.push( 0 ); - - for ( p = 1; p <= divisions; p ++ ) { - - current = this.getPoint( p / divisions ); - sum += current.distanceTo( last ); - cache.push( sum ); - last = current; - - } - - this.cacheArcLengths = cache; - - return cache; // { sums: cache, sum: sum }; Sum is in the last element. - - }, - - updateArcLengths: function () { - - this.needsUpdate = true; - this.getLengths(); - - }, - - // Given u ( 0 .. 1 ), get a t to find p. This gives you points which are equidistant - - getUtoTmapping: function ( u, distance ) { - - var arcLengths = this.getLengths(); - - var i = 0, il = arcLengths.length; - - var targetArcLength; // The targeted u distance value to get - - if ( distance ) { - - targetArcLength = distance; - - } else { - - targetArcLength = u * arcLengths[ il - 1 ]; - - } - - // binary search for the index with largest value smaller than target u distance - - var low = 0, high = il - 1, comparison; - - while ( low <= high ) { - - i = Math.floor( low + ( high - low ) / 2 ); // less likely to overflow, though probably not issue here, JS doesn't really have integers, all numbers are floats - - comparison = arcLengths[ i ] - targetArcLength; - - if ( comparison < 0 ) { - - low = i + 1; - - } else if ( comparison > 0 ) { - - high = i - 1; - - } else { - - high = i; - break; - - // DONE - - } - - } - - i = high; - - if ( arcLengths[ i ] === targetArcLength ) { - - return i / ( il - 1 ); - - } - - // we could get finer grain at lengths, or use simple interpolation between two points - - var lengthBefore = arcLengths[ i ]; - var lengthAfter = arcLengths[ i + 1 ]; - - var segmentLength = lengthAfter - lengthBefore; - - // determine where we are between the 'before' and 'after' points - - var segmentFraction = ( targetArcLength - lengthBefore ) / segmentLength; - - // add that fractional amount to t - - var t = ( i + segmentFraction ) / ( il - 1 ); - - return t; - - }, - - // Returns a unit vector tangent at t - // In case any sub curve does not implement its tangent derivation, - // 2 points a small delta apart will be used to find its gradient - // which seems to give a reasonable approximation - - getTangent: function ( t ) { - - var delta = 0.0001; - var t1 = t - delta; - var t2 = t + delta; - - // Capping in case of danger - - if ( t1 < 0 ) t1 = 0; - if ( t2 > 1 ) t2 = 1; - - var pt1 = this.getPoint( t1 ); - var pt2 = this.getPoint( t2 ); - - var vec = pt2.clone().sub( pt1 ); - return vec.normalize(); - - }, - - getTangentAt: function ( u ) { - - var t = this.getUtoTmapping( u ); - return this.getTangent( t ); - - }, - - computeFrenetFrames: function ( segments, closed ) { - - // see http://www.cs.indiana.edu/pub/techreports/TR425.pdf - - var normal = new Vector3(); - - var tangents = []; - var normals = []; - var binormals = []; - - var vec = new Vector3(); - var mat = new Matrix4(); - - var i, u, theta; - - // compute the tangent vectors for each segment on the curve - - for ( i = 0; i <= segments; i ++ ) { - - u = i / segments; - - tangents[ i ] = this.getTangentAt( u ); - tangents[ i ].normalize(); - - } - - // select an initial normal vector perpendicular to the first tangent vector, - // and in the direction of the minimum tangent xyz component - - normals[ 0 ] = new Vector3(); - binormals[ 0 ] = new Vector3(); - var min = Number.MAX_VALUE; - var tx = Math.abs( tangents[ 0 ].x ); - var ty = Math.abs( tangents[ 0 ].y ); - var tz = Math.abs( tangents[ 0 ].z ); - - if ( tx <= min ) { - - min = tx; - normal.set( 1, 0, 0 ); - - } - - if ( ty <= min ) { - - min = ty; - normal.set( 0, 1, 0 ); - - } - - if ( tz <= min ) { - - normal.set( 0, 0, 1 ); - - } - - vec.crossVectors( tangents[ 0 ], normal ).normalize(); - - normals[ 0 ].crossVectors( tangents[ 0 ], vec ); - binormals[ 0 ].crossVectors( tangents[ 0 ], normals[ 0 ] ); - - - // compute the slowly-varying normal and binormal vectors for each segment on the curve - - for ( i = 1; i <= segments; i ++ ) { - - normals[ i ] = normals[ i - 1 ].clone(); - - binormals[ i ] = binormals[ i - 1 ].clone(); - - vec.crossVectors( tangents[ i - 1 ], tangents[ i ] ); - - if ( vec.length() > Number.EPSILON ) { - - vec.normalize(); - - theta = Math.acos( _Math.clamp( tangents[ i - 1 ].dot( tangents[ i ] ), - 1, 1 ) ); // clamp for floating pt errors - - normals[ i ].applyMatrix4( mat.makeRotationAxis( vec, theta ) ); - - } - - binormals[ i ].crossVectors( tangents[ i ], normals[ i ] ); - - } - - // if the curve is closed, postprocess the vectors so the first and last normal vectors are the same - - if ( closed === true ) { - - theta = Math.acos( _Math.clamp( normals[ 0 ].dot( normals[ segments ] ), - 1, 1 ) ); - theta /= segments; - - if ( tangents[ 0 ].dot( vec.crossVectors( normals[ 0 ], normals[ segments ] ) ) > 0 ) { - - theta = - theta; - - } - - for ( i = 1; i <= segments; i ++ ) { - - // twist a little... - normals[ i ].applyMatrix4( mat.makeRotationAxis( tangents[ i ], theta * i ) ); - binormals[ i ].crossVectors( tangents[ i ], normals[ i ] ); - - } - - } - - return { - tangents: tangents, - normals: normals, - binormals: binormals - }; - - }, - - clone: function () { - - return new this.constructor().copy( this ); - - }, - - copy: function ( source ) { - - this.arcLengthDivisions = source.arcLengthDivisions; - - return this; - - }, - - toJSON: function () { - - var data = { - metadata: { - version: 4.5, - type: 'Curve', - generator: 'Curve.toJSON' - } - }; - - data.arcLengthDivisions = this.arcLengthDivisions; - data.type = this.type; - - return data; - - }, - - fromJSON: function ( json ) { - - this.arcLengthDivisions = json.arcLengthDivisions; - - return this; - - } - - } ); - - function EllipseCurve( aX, aY, xRadius, yRadius, aStartAngle, aEndAngle, aClockwise, aRotation ) { - - Curve.call( this ); - - this.type = 'EllipseCurve'; - - this.aX = aX || 0; - this.aY = aY || 0; - - this.xRadius = xRadius || 1; - this.yRadius = yRadius || 1; - - this.aStartAngle = aStartAngle || 0; - this.aEndAngle = aEndAngle || 2 * Math.PI; - - this.aClockwise = aClockwise || false; - - this.aRotation = aRotation || 0; - - } - - EllipseCurve.prototype = Object.create( Curve.prototype ); - EllipseCurve.prototype.constructor = EllipseCurve; - - EllipseCurve.prototype.isEllipseCurve = true; - - EllipseCurve.prototype.getPoint = function ( t, optionalTarget ) { - - var point = optionalTarget || new Vector2(); - - var twoPi = Math.PI * 2; - var deltaAngle = this.aEndAngle - this.aStartAngle; - var samePoints = Math.abs( deltaAngle ) < Number.EPSILON; - - // ensures that deltaAngle is 0 .. 2 PI - while ( deltaAngle < 0 ) deltaAngle += twoPi; - while ( deltaAngle > twoPi ) deltaAngle -= twoPi; - - if ( deltaAngle < Number.EPSILON ) { - - if ( samePoints ) { - - deltaAngle = 0; - - } else { - - deltaAngle = twoPi; - - } - - } - - if ( this.aClockwise === true && ! samePoints ) { - - if ( deltaAngle === twoPi ) { - - deltaAngle = - twoPi; - - } else { - - deltaAngle = deltaAngle - twoPi; - - } - - } - - var angle = this.aStartAngle + t * deltaAngle; - var x = this.aX + this.xRadius * Math.cos( angle ); - var y = this.aY + this.yRadius * Math.sin( angle ); - - if ( this.aRotation !== 0 ) { - - var cos = Math.cos( this.aRotation ); - var sin = Math.sin( this.aRotation ); - - var tx = x - this.aX; - var ty = y - this.aY; - - // Rotate the point about the center of the ellipse. - x = tx * cos - ty * sin + this.aX; - y = tx * sin + ty * cos + this.aY; - - } - - return point.set( x, y ); - - }; - - EllipseCurve.prototype.copy = function ( source ) { - - Curve.prototype.copy.call( this, source ); - - this.aX = source.aX; - this.aY = source.aY; - - this.xRadius = source.xRadius; - this.yRadius = source.yRadius; - - this.aStartAngle = source.aStartAngle; - this.aEndAngle = source.aEndAngle; - - this.aClockwise = source.aClockwise; - - this.aRotation = source.aRotation; - - return this; - - }; - - - EllipseCurve.prototype.toJSON = function () { - - var data = Curve.prototype.toJSON.call( this ); - - data.aX = this.aX; - data.aY = this.aY; - - data.xRadius = this.xRadius; - data.yRadius = this.yRadius; - - data.aStartAngle = this.aStartAngle; - data.aEndAngle = this.aEndAngle; - - data.aClockwise = this.aClockwise; - - data.aRotation = this.aRotation; - - return data; - - }; - - EllipseCurve.prototype.fromJSON = function ( json ) { - - Curve.prototype.fromJSON.call( this, json ); - - this.aX = json.aX; - this.aY = json.aY; - - this.xRadius = json.xRadius; - this.yRadius = json.yRadius; - - this.aStartAngle = json.aStartAngle; - this.aEndAngle = json.aEndAngle; - - this.aClockwise = json.aClockwise; - - this.aRotation = json.aRotation; - - return this; - - }; - - function ArcCurve( aX, aY, aRadius, aStartAngle, aEndAngle, aClockwise ) { - - EllipseCurve.call( this, aX, aY, aRadius, aRadius, aStartAngle, aEndAngle, aClockwise ); - - this.type = 'ArcCurve'; - - } - - ArcCurve.prototype = Object.create( EllipseCurve.prototype ); - ArcCurve.prototype.constructor = ArcCurve; - - ArcCurve.prototype.isArcCurve = true; - - /** - * @author zz85 https://github.com/zz85 - * - * Centripetal CatmullRom Curve - which is useful for avoiding - * cusps and self-intersections in non-uniform catmull rom curves. - * http://www.cemyuksel.com/research/catmullrom_param/catmullrom.pdf - * - * curve.type accepts centripetal(default), chordal and catmullrom - * curve.tension is used for catmullrom which defaults to 0.5 - */ - - - /* - Based on an optimized c++ solution in - - http://stackoverflow.com/questions/9489736/catmull-rom-curve-with-no-cusps-and-no-self-intersections/ - - http://ideone.com/NoEbVM - - This CubicPoly class could be used for reusing some variables and calculations, - but for three.js curve use, it could be possible inlined and flatten into a single function call - which can be placed in CurveUtils. - */ - - function CubicPoly() { - - var c0 = 0, c1 = 0, c2 = 0, c3 = 0; - - /* - * Compute coefficients for a cubic polynomial - * p(s) = c0 + c1*s + c2*s^2 + c3*s^3 - * such that - * p(0) = x0, p(1) = x1 - * and - * p'(0) = t0, p'(1) = t1. - */ - function init( x0, x1, t0, t1 ) { - - c0 = x0; - c1 = t0; - c2 = - 3 * x0 + 3 * x1 - 2 * t0 - t1; - c3 = 2 * x0 - 2 * x1 + t0 + t1; - - } - - return { - - initCatmullRom: function ( x0, x1, x2, x3, tension ) { - - init( x1, x2, tension * ( x2 - x0 ), tension * ( x3 - x1 ) ); - - }, - - initNonuniformCatmullRom: function ( x0, x1, x2, x3, dt0, dt1, dt2 ) { - - // compute tangents when parameterized in [t1,t2] - var t1 = ( x1 - x0 ) / dt0 - ( x2 - x0 ) / ( dt0 + dt1 ) + ( x2 - x1 ) / dt1; - var t2 = ( x2 - x1 ) / dt1 - ( x3 - x1 ) / ( dt1 + dt2 ) + ( x3 - x2 ) / dt2; - - // rescale tangents for parametrization in [0,1] - t1 *= dt1; - t2 *= dt1; - - init( x1, x2, t1, t2 ); - - }, - - calc: function ( t ) { - - var t2 = t * t; - var t3 = t2 * t; - return c0 + c1 * t + c2 * t2 + c3 * t3; - - } - - }; - - } - - // - - var tmp = new Vector3(); - var px = new CubicPoly(), py = new CubicPoly(), pz = new CubicPoly(); - - function CatmullRomCurve3( points, closed, curveType, tension ) { - - Curve.call( this ); - - this.type = 'CatmullRomCurve3'; - - this.points = points || []; - this.closed = closed || false; - this.curveType = curveType || 'centripetal'; - this.tension = tension || 0.5; - - } - - CatmullRomCurve3.prototype = Object.create( Curve.prototype ); - CatmullRomCurve3.prototype.constructor = CatmullRomCurve3; - - CatmullRomCurve3.prototype.isCatmullRomCurve3 = true; - - CatmullRomCurve3.prototype.getPoint = function ( t, optionalTarget ) { - - var point = optionalTarget || new Vector3(); - - var points = this.points; - var l = points.length; - - var p = ( l - ( this.closed ? 0 : 1 ) ) * t; - var intPoint = Math.floor( p ); - var weight = p - intPoint; - - if ( this.closed ) { - - intPoint += intPoint > 0 ? 0 : ( Math.floor( Math.abs( intPoint ) / l ) + 1 ) * l; - - } else if ( weight === 0 && intPoint === l - 1 ) { - - intPoint = l - 2; - weight = 1; - - } - - var p0, p1, p2, p3; // 4 points - - if ( this.closed || intPoint > 0 ) { - - p0 = points[ ( intPoint - 1 ) % l ]; - - } else { - - // extrapolate first point - tmp.subVectors( points[ 0 ], points[ 1 ] ).add( points[ 0 ] ); - p0 = tmp; - - } - - p1 = points[ intPoint % l ]; - p2 = points[ ( intPoint + 1 ) % l ]; - - if ( this.closed || intPoint + 2 < l ) { - - p3 = points[ ( intPoint + 2 ) % l ]; - - } else { - - // extrapolate last point - tmp.subVectors( points[ l - 1 ], points[ l - 2 ] ).add( points[ l - 1 ] ); - p3 = tmp; - - } - - if ( this.curveType === 'centripetal' || this.curveType === 'chordal' ) { - - // init Centripetal / Chordal Catmull-Rom - var pow = this.curveType === 'chordal' ? 0.5 : 0.25; - var dt0 = Math.pow( p0.distanceToSquared( p1 ), pow ); - var dt1 = Math.pow( p1.distanceToSquared( p2 ), pow ); - var dt2 = Math.pow( p2.distanceToSquared( p3 ), pow ); - - // safety check for repeated points - if ( dt1 < 1e-4 ) dt1 = 1.0; - if ( dt0 < 1e-4 ) dt0 = dt1; - if ( dt2 < 1e-4 ) dt2 = dt1; - - px.initNonuniformCatmullRom( p0.x, p1.x, p2.x, p3.x, dt0, dt1, dt2 ); - py.initNonuniformCatmullRom( p0.y, p1.y, p2.y, p3.y, dt0, dt1, dt2 ); - pz.initNonuniformCatmullRom( p0.z, p1.z, p2.z, p3.z, dt0, dt1, dt2 ); - - } else if ( this.curveType === 'catmullrom' ) { - - px.initCatmullRom( p0.x, p1.x, p2.x, p3.x, this.tension ); - py.initCatmullRom( p0.y, p1.y, p2.y, p3.y, this.tension ); - pz.initCatmullRom( p0.z, p1.z, p2.z, p3.z, this.tension ); - - } - - point.set( - px.calc( weight ), - py.calc( weight ), - pz.calc( weight ) - ); - - return point; - - }; - - CatmullRomCurve3.prototype.copy = function ( source ) { - - Curve.prototype.copy.call( this, source ); - - this.points = []; - - for ( var i = 0, l = source.points.length; i < l; i ++ ) { - - var point = source.points[ i ]; - - this.points.push( point.clone() ); - - } - - this.closed = source.closed; - this.curveType = source.curveType; - this.tension = source.tension; - - return this; - - }; - - CatmullRomCurve3.prototype.toJSON = function () { - - var data = Curve.prototype.toJSON.call( this ); - - data.points = []; - - for ( var i = 0, l = this.points.length; i < l; i ++ ) { - - var point = this.points[ i ]; - data.points.push( point.toArray() ); - - } - - data.closed = this.closed; - data.curveType = this.curveType; - data.tension = this.tension; - - return data; - - }; - - CatmullRomCurve3.prototype.fromJSON = function ( json ) { - - Curve.prototype.fromJSON.call( this, json ); - - this.points = []; - - for ( var i = 0, l = json.points.length; i < l; i ++ ) { - - var point = json.points[ i ]; - this.points.push( new Vector3().fromArray( point ) ); - - } - - this.closed = json.closed; - this.curveType = json.curveType; - this.tension = json.tension; - - return this; - - }; - - /** - * @author zz85 / http://www.lab4games.net/zz85/blog - * - * Bezier Curves formulas obtained from - * http://en.wikipedia.org/wiki/Bézier_curve - */ - - function CatmullRom( t, p0, p1, p2, p3 ) { - - var v0 = ( p2 - p0 ) * 0.5; - var v1 = ( p3 - p1 ) * 0.5; - var t2 = t * t; - var t3 = t * t2; - return ( 2 * p1 - 2 * p2 + v0 + v1 ) * t3 + ( - 3 * p1 + 3 * p2 - 2 * v0 - v1 ) * t2 + v0 * t + p1; - - } - - // - - function QuadraticBezierP0( t, p ) { - - var k = 1 - t; - return k * k * p; - - } - - function QuadraticBezierP1( t, p ) { - - return 2 * ( 1 - t ) * t * p; - - } - - function QuadraticBezierP2( t, p ) { - - return t * t * p; - - } - - function QuadraticBezier( t, p0, p1, p2 ) { - - return QuadraticBezierP0( t, p0 ) + QuadraticBezierP1( t, p1 ) + - QuadraticBezierP2( t, p2 ); - - } - - // - - function CubicBezierP0( t, p ) { - - var k = 1 - t; - return k * k * k * p; - - } - - function CubicBezierP1( t, p ) { - - var k = 1 - t; - return 3 * k * k * t * p; - - } - - function CubicBezierP2( t, p ) { - - return 3 * ( 1 - t ) * t * t * p; - - } - - function CubicBezierP3( t, p ) { - - return t * t * t * p; - - } - - function CubicBezier( t, p0, p1, p2, p3 ) { - - return CubicBezierP0( t, p0 ) + CubicBezierP1( t, p1 ) + CubicBezierP2( t, p2 ) + - CubicBezierP3( t, p3 ); - - } - - function CubicBezierCurve( v0, v1, v2, v3 ) { - - Curve.call( this ); - - this.type = 'CubicBezierCurve'; - - this.v0 = v0 || new Vector2(); - this.v1 = v1 || new Vector2(); - this.v2 = v2 || new Vector2(); - this.v3 = v3 || new Vector2(); - - } - - CubicBezierCurve.prototype = Object.create( Curve.prototype ); - CubicBezierCurve.prototype.constructor = CubicBezierCurve; - - CubicBezierCurve.prototype.isCubicBezierCurve = true; - - CubicBezierCurve.prototype.getPoint = function ( t, optionalTarget ) { - - var point = optionalTarget || new Vector2(); - - var v0 = this.v0, v1 = this.v1, v2 = this.v2, v3 = this.v3; - - point.set( - CubicBezier( t, v0.x, v1.x, v2.x, v3.x ), - CubicBezier( t, v0.y, v1.y, v2.y, v3.y ) - ); - - return point; - - }; - - CubicBezierCurve.prototype.copy = function ( source ) { - - Curve.prototype.copy.call( this, source ); - - this.v0.copy( source.v0 ); - this.v1.copy( source.v1 ); - this.v2.copy( source.v2 ); - this.v3.copy( source.v3 ); - - return this; - - }; - - CubicBezierCurve.prototype.toJSON = function () { - - var data = Curve.prototype.toJSON.call( this ); - - data.v0 = this.v0.toArray(); - data.v1 = this.v1.toArray(); - data.v2 = this.v2.toArray(); - data.v3 = this.v3.toArray(); - - return data; - - }; - - CubicBezierCurve.prototype.fromJSON = function ( json ) { - - Curve.prototype.fromJSON.call( this, json ); - - this.v0.fromArray( json.v0 ); - this.v1.fromArray( json.v1 ); - this.v2.fromArray( json.v2 ); - this.v3.fromArray( json.v3 ); - - return this; - - }; - - function CubicBezierCurve3( v0, v1, v2, v3 ) { - - Curve.call( this ); - - this.type = 'CubicBezierCurve3'; - - this.v0 = v0 || new Vector3(); - this.v1 = v1 || new Vector3(); - this.v2 = v2 || new Vector3(); - this.v3 = v3 || new Vector3(); - - } - - CubicBezierCurve3.prototype = Object.create( Curve.prototype ); - CubicBezierCurve3.prototype.constructor = CubicBezierCurve3; - - CubicBezierCurve3.prototype.isCubicBezierCurve3 = true; - - CubicBezierCurve3.prototype.getPoint = function ( t, optionalTarget ) { - - var point = optionalTarget || new Vector3(); - - var v0 = this.v0, v1 = this.v1, v2 = this.v2, v3 = this.v3; - - point.set( - CubicBezier( t, v0.x, v1.x, v2.x, v3.x ), - CubicBezier( t, v0.y, v1.y, v2.y, v3.y ), - CubicBezier( t, v0.z, v1.z, v2.z, v3.z ) - ); - - return point; - - }; - - CubicBezierCurve3.prototype.copy = function ( source ) { - - Curve.prototype.copy.call( this, source ); - - this.v0.copy( source.v0 ); - this.v1.copy( source.v1 ); - this.v2.copy( source.v2 ); - this.v3.copy( source.v3 ); - - return this; - - }; - - CubicBezierCurve3.prototype.toJSON = function () { - - var data = Curve.prototype.toJSON.call( this ); - - data.v0 = this.v0.toArray(); - data.v1 = this.v1.toArray(); - data.v2 = this.v2.toArray(); - data.v3 = this.v3.toArray(); - - return data; - - }; - - CubicBezierCurve3.prototype.fromJSON = function ( json ) { - - Curve.prototype.fromJSON.call( this, json ); - - this.v0.fromArray( json.v0 ); - this.v1.fromArray( json.v1 ); - this.v2.fromArray( json.v2 ); - this.v3.fromArray( json.v3 ); - - return this; - - }; - - function LineCurve( v1, v2 ) { - - Curve.call( this ); - - this.type = 'LineCurve'; - - this.v1 = v1 || new Vector2(); - this.v2 = v2 || new Vector2(); - - } - - LineCurve.prototype = Object.create( Curve.prototype ); - LineCurve.prototype.constructor = LineCurve; - - LineCurve.prototype.isLineCurve = true; - - LineCurve.prototype.getPoint = function ( t, optionalTarget ) { - - var point = optionalTarget || new Vector2(); - - if ( t === 1 ) { - - point.copy( this.v2 ); - - } else { - - point.copy( this.v2 ).sub( this.v1 ); - point.multiplyScalar( t ).add( this.v1 ); - - } - - return point; - - }; - - // Line curve is linear, so we can overwrite default getPointAt - - LineCurve.prototype.getPointAt = function ( u, optionalTarget ) { - - return this.getPoint( u, optionalTarget ); - - }; - - LineCurve.prototype.getTangent = function ( /* t */ ) { - - var tangent = this.v2.clone().sub( this.v1 ); - - return tangent.normalize(); - - }; - - LineCurve.prototype.copy = function ( source ) { - - Curve.prototype.copy.call( this, source ); - - this.v1.copy( source.v1 ); - this.v2.copy( source.v2 ); - - return this; - - }; - - LineCurve.prototype.toJSON = function () { - - var data = Curve.prototype.toJSON.call( this ); - - data.v1 = this.v1.toArray(); - data.v2 = this.v2.toArray(); - - return data; - - }; - - LineCurve.prototype.fromJSON = function ( json ) { - - Curve.prototype.fromJSON.call( this, json ); - - this.v1.fromArray( json.v1 ); - this.v2.fromArray( json.v2 ); - - return this; - - }; - - function LineCurve3( v1, v2 ) { - - Curve.call( this ); - - this.type = 'LineCurve3'; - - this.v1 = v1 || new Vector3(); - this.v2 = v2 || new Vector3(); - - } - - LineCurve3.prototype = Object.create( Curve.prototype ); - LineCurve3.prototype.constructor = LineCurve3; - - LineCurve3.prototype.isLineCurve3 = true; - - LineCurve3.prototype.getPoint = function ( t, optionalTarget ) { - - var point = optionalTarget || new Vector3(); - - if ( t === 1 ) { - - point.copy( this.v2 ); - - } else { - - point.copy( this.v2 ).sub( this.v1 ); - point.multiplyScalar( t ).add( this.v1 ); - - } - - return point; - - }; - - // Line curve is linear, so we can overwrite default getPointAt - - LineCurve3.prototype.getPointAt = function ( u, optionalTarget ) { - - return this.getPoint( u, optionalTarget ); - - }; - - LineCurve3.prototype.copy = function ( source ) { - - Curve.prototype.copy.call( this, source ); - - this.v1.copy( source.v1 ); - this.v2.copy( source.v2 ); - - return this; - - }; - - LineCurve3.prototype.toJSON = function () { - - var data = Curve.prototype.toJSON.call( this ); - - data.v1 = this.v1.toArray(); - data.v2 = this.v2.toArray(); - - return data; - - }; - - LineCurve3.prototype.fromJSON = function ( json ) { - - Curve.prototype.fromJSON.call( this, json ); - - this.v1.fromArray( json.v1 ); - this.v2.fromArray( json.v2 ); - - return this; - - }; - - function QuadraticBezierCurve( v0, v1, v2 ) { - - Curve.call( this ); - - this.type = 'QuadraticBezierCurve'; - - this.v0 = v0 || new Vector2(); - this.v1 = v1 || new Vector2(); - this.v2 = v2 || new Vector2(); - - } - - QuadraticBezierCurve.prototype = Object.create( Curve.prototype ); - QuadraticBezierCurve.prototype.constructor = QuadraticBezierCurve; - - QuadraticBezierCurve.prototype.isQuadraticBezierCurve = true; - - QuadraticBezierCurve.prototype.getPoint = function ( t, optionalTarget ) { - - var point = optionalTarget || new Vector2(); - - var v0 = this.v0, v1 = this.v1, v2 = this.v2; - - point.set( - QuadraticBezier( t, v0.x, v1.x, v2.x ), - QuadraticBezier( t, v0.y, v1.y, v2.y ) - ); - - return point; - - }; - - QuadraticBezierCurve.prototype.copy = function ( source ) { - - Curve.prototype.copy.call( this, source ); - - this.v0.copy( source.v0 ); - this.v1.copy( source.v1 ); - this.v2.copy( source.v2 ); - - return this; - - }; - - QuadraticBezierCurve.prototype.toJSON = function () { - - var data = Curve.prototype.toJSON.call( this ); - - data.v0 = this.v0.toArray(); - data.v1 = this.v1.toArray(); - data.v2 = this.v2.toArray(); - - return data; - - }; - - QuadraticBezierCurve.prototype.fromJSON = function ( json ) { - - Curve.prototype.fromJSON.call( this, json ); - - this.v0.fromArray( json.v0 ); - this.v1.fromArray( json.v1 ); - this.v2.fromArray( json.v2 ); - - return this; - - }; - - function QuadraticBezierCurve3( v0, v1, v2 ) { - - Curve.call( this ); - - this.type = 'QuadraticBezierCurve3'; - - this.v0 = v0 || new Vector3(); - this.v1 = v1 || new Vector3(); - this.v2 = v2 || new Vector3(); - - } - - QuadraticBezierCurve3.prototype = Object.create( Curve.prototype ); - QuadraticBezierCurve3.prototype.constructor = QuadraticBezierCurve3; - - QuadraticBezierCurve3.prototype.isQuadraticBezierCurve3 = true; - - QuadraticBezierCurve3.prototype.getPoint = function ( t, optionalTarget ) { - - var point = optionalTarget || new Vector3(); - - var v0 = this.v0, v1 = this.v1, v2 = this.v2; - - point.set( - QuadraticBezier( t, v0.x, v1.x, v2.x ), - QuadraticBezier( t, v0.y, v1.y, v2.y ), - QuadraticBezier( t, v0.z, v1.z, v2.z ) - ); - - return point; - - }; - - QuadraticBezierCurve3.prototype.copy = function ( source ) { - - Curve.prototype.copy.call( this, source ); - - this.v0.copy( source.v0 ); - this.v1.copy( source.v1 ); - this.v2.copy( source.v2 ); - - return this; - - }; - - QuadraticBezierCurve3.prototype.toJSON = function () { - - var data = Curve.prototype.toJSON.call( this ); - - data.v0 = this.v0.toArray(); - data.v1 = this.v1.toArray(); - data.v2 = this.v2.toArray(); - - return data; - - }; - - QuadraticBezierCurve3.prototype.fromJSON = function ( json ) { - - Curve.prototype.fromJSON.call( this, json ); - - this.v0.fromArray( json.v0 ); - this.v1.fromArray( json.v1 ); - this.v2.fromArray( json.v2 ); - - return this; - - }; - - function SplineCurve( points /* array of Vector2 */ ) { - - Curve.call( this ); - - this.type = 'SplineCurve'; - - this.points = points || []; - - } - - SplineCurve.prototype = Object.create( Curve.prototype ); - SplineCurve.prototype.constructor = SplineCurve; - - SplineCurve.prototype.isSplineCurve = true; - - SplineCurve.prototype.getPoint = function ( t, optionalTarget ) { - - var point = optionalTarget || new Vector2(); - - var points = this.points; - var p = ( points.length - 1 ) * t; - - var intPoint = Math.floor( p ); - var weight = p - intPoint; - - var p0 = points[ intPoint === 0 ? intPoint : intPoint - 1 ]; - var p1 = points[ intPoint ]; - var p2 = points[ intPoint > points.length - 2 ? points.length - 1 : intPoint + 1 ]; - var p3 = points[ intPoint > points.length - 3 ? points.length - 1 : intPoint + 2 ]; - - point.set( - CatmullRom( weight, p0.x, p1.x, p2.x, p3.x ), - CatmullRom( weight, p0.y, p1.y, p2.y, p3.y ) - ); - - return point; - - }; - - SplineCurve.prototype.copy = function ( source ) { - - Curve.prototype.copy.call( this, source ); - - this.points = []; - - for ( var i = 0, l = source.points.length; i < l; i ++ ) { - - var point = source.points[ i ]; - - this.points.push( point.clone() ); - - } - - return this; - - }; - - SplineCurve.prototype.toJSON = function () { - - var data = Curve.prototype.toJSON.call( this ); - - data.points = []; - - for ( var i = 0, l = this.points.length; i < l; i ++ ) { - - var point = this.points[ i ]; - data.points.push( point.toArray() ); - - } - - return data; - - }; - - SplineCurve.prototype.fromJSON = function ( json ) { - - Curve.prototype.fromJSON.call( this, json ); - - this.points = []; - - for ( var i = 0, l = json.points.length; i < l; i ++ ) { - - var point = json.points[ i ]; - this.points.push( new Vector2().fromArray( point ) ); - - } - - return this; - - }; - - - - var Curves = /*#__PURE__*/Object.freeze({ - ArcCurve: ArcCurve, - CatmullRomCurve3: CatmullRomCurve3, - CubicBezierCurve: CubicBezierCurve, - CubicBezierCurve3: CubicBezierCurve3, - EllipseCurve: EllipseCurve, - LineCurve: LineCurve, - LineCurve3: LineCurve3, - QuadraticBezierCurve: QuadraticBezierCurve, - QuadraticBezierCurve3: QuadraticBezierCurve3, - SplineCurve: SplineCurve - }); - - /** - * @author zz85 / http://www.lab4games.net/zz85/blog - * - **/ - - /************************************************************** - * Curved Path - a curve path is simply a array of connected - * curves, but retains the api of a curve - **************************************************************/ - - function CurvePath() { - - Curve.call( this ); - - this.type = 'CurvePath'; - - this.curves = []; - this.autoClose = false; // Automatically closes the path - - } - - CurvePath.prototype = Object.assign( Object.create( Curve.prototype ), { - - constructor: CurvePath, - - add: function ( curve ) { - - this.curves.push( curve ); - - }, - - closePath: function () { - - // Add a line curve if start and end of lines are not connected - var startPoint = this.curves[ 0 ].getPoint( 0 ); - var endPoint = this.curves[ this.curves.length - 1 ].getPoint( 1 ); - - if ( ! startPoint.equals( endPoint ) ) { - - this.curves.push( new LineCurve( endPoint, startPoint ) ); - - } - - }, - - // To get accurate point with reference to - // entire path distance at time t, - // following has to be done: - - // 1. Length of each sub path have to be known - // 2. Locate and identify type of curve - // 3. Get t for the curve - // 4. Return curve.getPointAt(t') - - getPoint: function ( t ) { - - var d = t * this.getLength(); - var curveLengths = this.getCurveLengths(); - var i = 0; - - // To think about boundaries points. - - while ( i < curveLengths.length ) { - - if ( curveLengths[ i ] >= d ) { - - var diff = curveLengths[ i ] - d; - var curve = this.curves[ i ]; - - var segmentLength = curve.getLength(); - var u = segmentLength === 0 ? 0 : 1 - diff / segmentLength; - - return curve.getPointAt( u ); - - } - - i ++; - - } - - return null; - - // loop where sum != 0, sum > d , sum+1 1 && ! points[ points.length - 1 ].equals( points[ 0 ] ) ) { - - points.push( points[ 0 ] ); - - } - - return points; - - }, - - copy: function ( source ) { - - Curve.prototype.copy.call( this, source ); - - this.curves = []; - - for ( var i = 0, l = source.curves.length; i < l; i ++ ) { - - var curve = source.curves[ i ]; - - this.curves.push( curve.clone() ); - - } - - this.autoClose = source.autoClose; - - return this; - - }, - - toJSON: function () { - - var data = Curve.prototype.toJSON.call( this ); - - data.autoClose = this.autoClose; - data.curves = []; - - for ( var i = 0, l = this.curves.length; i < l; i ++ ) { - - var curve = this.curves[ i ]; - data.curves.push( curve.toJSON() ); - - } - - return data; - - }, - - fromJSON: function ( json ) { - - Curve.prototype.fromJSON.call( this, json ); - - this.autoClose = json.autoClose; - this.curves = []; - - for ( var i = 0, l = json.curves.length; i < l; i ++ ) { - - var curve = json.curves[ i ]; - this.curves.push( new Curves[ curve.type ]().fromJSON( curve ) ); - - } - - return this; - - } - - } ); - - /** - * @author zz85 / http://www.lab4games.net/zz85/blog - * Creates free form 2d path using series of points, lines or curves. - **/ - - function Path( points ) { - - CurvePath.call( this ); - - this.type = 'Path'; - - this.currentPoint = new Vector2(); - - if ( points ) { - - this.setFromPoints( points ); - - } - - } - - Path.prototype = Object.assign( Object.create( CurvePath.prototype ), { - - constructor: Path, - - setFromPoints: function ( points ) { - - this.moveTo( points[ 0 ].x, points[ 0 ].y ); - - for ( var i = 1, l = points.length; i < l; i ++ ) { - - this.lineTo( points[ i ].x, points[ i ].y ); - - } - - }, - - moveTo: function ( x, y ) { - - this.currentPoint.set( x, y ); // TODO consider referencing vectors instead of copying? - - }, - - lineTo: function ( x, y ) { - - var curve = new LineCurve( this.currentPoint.clone(), new Vector2( x, y ) ); - this.curves.push( curve ); - - this.currentPoint.set( x, y ); - - }, - - quadraticCurveTo: function ( aCPx, aCPy, aX, aY ) { - - var curve = new QuadraticBezierCurve( - this.currentPoint.clone(), - new Vector2( aCPx, aCPy ), - new Vector2( aX, aY ) - ); - - this.curves.push( curve ); - - this.currentPoint.set( aX, aY ); - - }, - - bezierCurveTo: function ( aCP1x, aCP1y, aCP2x, aCP2y, aX, aY ) { - - var curve = new CubicBezierCurve( - this.currentPoint.clone(), - new Vector2( aCP1x, aCP1y ), - new Vector2( aCP2x, aCP2y ), - new Vector2( aX, aY ) - ); - - this.curves.push( curve ); - - this.currentPoint.set( aX, aY ); - - }, - - splineThru: function ( pts /*Array of Vector*/ ) { - - var npts = [ this.currentPoint.clone() ].concat( pts ); - - var curve = new SplineCurve( npts ); - this.curves.push( curve ); - - this.currentPoint.copy( pts[ pts.length - 1 ] ); - - }, - - arc: function ( aX, aY, aRadius, aStartAngle, aEndAngle, aClockwise ) { - - var x0 = this.currentPoint.x; - var y0 = this.currentPoint.y; - - this.absarc( aX + x0, aY + y0, aRadius, - aStartAngle, aEndAngle, aClockwise ); - - }, - - absarc: function ( aX, aY, aRadius, aStartAngle, aEndAngle, aClockwise ) { - - this.absellipse( aX, aY, aRadius, aRadius, aStartAngle, aEndAngle, aClockwise ); - - }, - - ellipse: function ( aX, aY, xRadius, yRadius, aStartAngle, aEndAngle, aClockwise, aRotation ) { - - var x0 = this.currentPoint.x; - var y0 = this.currentPoint.y; - - this.absellipse( aX + x0, aY + y0, xRadius, yRadius, aStartAngle, aEndAngle, aClockwise, aRotation ); - - }, - - absellipse: function ( aX, aY, xRadius, yRadius, aStartAngle, aEndAngle, aClockwise, aRotation ) { - - var curve = new EllipseCurve( aX, aY, xRadius, yRadius, aStartAngle, aEndAngle, aClockwise, aRotation ); - - if ( this.curves.length > 0 ) { - - // if a previous curve is present, attempt to join - var firstPoint = curve.getPoint( 0 ); - - if ( ! firstPoint.equals( this.currentPoint ) ) { - - this.lineTo( firstPoint.x, firstPoint.y ); - - } - - } - - this.curves.push( curve ); - - var lastPoint = curve.getPoint( 1 ); - this.currentPoint.copy( lastPoint ); - - }, - - copy: function ( source ) { - - CurvePath.prototype.copy.call( this, source ); - - this.currentPoint.copy( source.currentPoint ); - - return this; - - }, - - toJSON: function () { - - var data = CurvePath.prototype.toJSON.call( this ); - - data.currentPoint = this.currentPoint.toArray(); - - return data; - - }, - - fromJSON: function ( json ) { - - CurvePath.prototype.fromJSON.call( this, json ); - - this.currentPoint.fromArray( json.currentPoint ); - - return this; - - } - - } ); - - /** - * @author zz85 / http://www.lab4games.net/zz85/blog - * Defines a 2d shape plane using paths. - **/ - - // STEP 1 Create a path. - // STEP 2 Turn path into shape. - // STEP 3 ExtrudeGeometry takes in Shape/Shapes - // STEP 3a - Extract points from each shape, turn to vertices - // STEP 3b - Triangulate each shape, add faces. - - function Shape( points ) { - - Path.call( this, points ); - - this.uuid = _Math.generateUUID(); - - this.type = 'Shape'; - - this.holes = []; - - } - - Shape.prototype = Object.assign( Object.create( Path.prototype ), { - - constructor: Shape, - - getPointsHoles: function ( divisions ) { - - var holesPts = []; - - for ( var i = 0, l = this.holes.length; i < l; i ++ ) { - - holesPts[ i ] = this.holes[ i ].getPoints( divisions ); - - } - - return holesPts; - - }, - - // get points of shape and holes (keypoints based on segments parameter) - - extractPoints: function ( divisions ) { - - return { - - shape: this.getPoints( divisions ), - holes: this.getPointsHoles( divisions ) - - }; - - }, - - copy: function ( source ) { - - Path.prototype.copy.call( this, source ); - - this.holes = []; - - for ( var i = 0, l = source.holes.length; i < l; i ++ ) { - - var hole = source.holes[ i ]; - - this.holes.push( hole.clone() ); - - } - - return this; - - }, - - toJSON: function () { - - var data = Path.prototype.toJSON.call( this ); - - data.uuid = this.uuid; - data.holes = []; - - for ( var i = 0, l = this.holes.length; i < l; i ++ ) { - - var hole = this.holes[ i ]; - data.holes.push( hole.toJSON() ); - - } - - return data; - - }, - - fromJSON: function ( json ) { - - Path.prototype.fromJSON.call( this, json ); - - this.uuid = json.uuid; - this.holes = []; - - for ( var i = 0, l = json.holes.length; i < l; i ++ ) { - - var hole = json.holes[ i ]; - this.holes.push( new Path().fromJSON( hole ) ); - - } - - return this; - - } - - } ); - - /** - * @author mrdoob / http://mrdoob.com/ - * @author alteredq / http://alteredqualia.com/ - */ - - function Light( color, intensity ) { - - Object3D.call( this ); - - this.type = 'Light'; - - this.color = new Color( color ); - this.intensity = intensity !== undefined ? intensity : 1; - - this.receiveShadow = undefined; - - } - - Light.prototype = Object.assign( Object.create( Object3D.prototype ), { - - constructor: Light, - - isLight: true, - - copy: function ( source ) { - - Object3D.prototype.copy.call( this, source ); - - this.color.copy( source.color ); - this.intensity = source.intensity; - - return this; - - }, - - toJSON: function ( meta ) { - - var data = Object3D.prototype.toJSON.call( this, meta ); - - data.object.color = this.color.getHex(); - data.object.intensity = this.intensity; - - if ( this.groundColor !== undefined ) data.object.groundColor = this.groundColor.getHex(); - - if ( this.distance !== undefined ) data.object.distance = this.distance; - if ( this.angle !== undefined ) data.object.angle = this.angle; - if ( this.decay !== undefined ) data.object.decay = this.decay; - if ( this.penumbra !== undefined ) data.object.penumbra = this.penumbra; - - if ( this.shadow !== undefined ) data.object.shadow = this.shadow.toJSON(); - - return data; - - } - - } ); - - /** - * @author alteredq / http://alteredqualia.com/ - */ - - function HemisphereLight( skyColor, groundColor, intensity ) { - - Light.call( this, skyColor, intensity ); - - this.type = 'HemisphereLight'; - - this.castShadow = undefined; - - this.position.copy( Object3D.DefaultUp ); - this.updateMatrix(); - - this.groundColor = new Color( groundColor ); - - } - - HemisphereLight.prototype = Object.assign( Object.create( Light.prototype ), { - - constructor: HemisphereLight, - - isHemisphereLight: true, - - copy: function ( source ) { - - Light.prototype.copy.call( this, source ); - - this.groundColor.copy( source.groundColor ); - - return this; - - } - - } ); - - /** - * @author mrdoob / http://mrdoob.com/ - */ - - function LightShadow( camera ) { - - this.camera = camera; - - this.bias = 0; - this.radius = 1; - - this.mapSize = new Vector2( 512, 512 ); - - this.map = null; - this.mapPass = null; - this.matrix = new Matrix4(); - - this._frustum = new Frustum(); - this._frameExtents = new Vector2( 1, 1 ); - - this._viewportCount = 1; - - this._viewports = [ - - new Vector4( 0, 0, 1, 1 ) - - ]; - - } - - Object.assign( LightShadow.prototype, { - - _projScreenMatrix: new Matrix4(), - - _lightPositionWorld: new Vector3(), - - _lookTarget: new Vector3(), - - getViewportCount: function () { - - return this._viewportCount; - - }, - - getFrustum: function () { - - return this._frustum; - - }, - - updateMatrices: function ( light ) { - - var shadowCamera = this.camera, - shadowMatrix = this.matrix, - projScreenMatrix = this._projScreenMatrix, - lookTarget = this._lookTarget, - lightPositionWorld = this._lightPositionWorld; - - lightPositionWorld.setFromMatrixPosition( light.matrixWorld ); - shadowCamera.position.copy( lightPositionWorld ); - - lookTarget.setFromMatrixPosition( light.target.matrixWorld ); - shadowCamera.lookAt( lookTarget ); - shadowCamera.updateMatrixWorld(); - - projScreenMatrix.multiplyMatrices( shadowCamera.projectionMatrix, shadowCamera.matrixWorldInverse ); - this._frustum.setFromMatrix( projScreenMatrix ); - - shadowMatrix.set( - 0.5, 0.0, 0.0, 0.5, - 0.0, 0.5, 0.0, 0.5, - 0.0, 0.0, 0.5, 0.5, - 0.0, 0.0, 0.0, 1.0 - ); - - shadowMatrix.multiply( shadowCamera.projectionMatrix ); - shadowMatrix.multiply( shadowCamera.matrixWorldInverse ); - - }, - - getViewport: function ( viewportIndex ) { - - return this._viewports[ viewportIndex ]; - - }, - - getFrameExtents: function () { - - return this._frameExtents; - - }, - - copy: function ( source ) { - - this.camera = source.camera.clone(); - - this.bias = source.bias; - this.radius = source.radius; - - this.mapSize.copy( source.mapSize ); - - return this; - - }, - - clone: function () { - - return new this.constructor().copy( this ); - - }, - - toJSON: function () { - - var object = {}; - - if ( this.bias !== 0 ) object.bias = this.bias; - if ( this.radius !== 1 ) object.radius = this.radius; - if ( this.mapSize.x !== 512 || this.mapSize.y !== 512 ) object.mapSize = this.mapSize.toArray(); - - object.camera = this.camera.toJSON( false ).object; - delete object.camera.matrix; - - return object; - - } - - } ); - - /** - * @author mrdoob / http://mrdoob.com/ - */ - - function SpotLightShadow() { - - LightShadow.call( this, new PerspectiveCamera( 50, 1, 0.5, 500 ) ); - - } - - SpotLightShadow.prototype = Object.assign( Object.create( LightShadow.prototype ), { - - constructor: SpotLightShadow, - - isSpotLightShadow: true, - - updateMatrices: function ( light, viewCamera, viewportIndex ) { - - var camera = this.camera; - - var fov = _Math.RAD2DEG * 2 * light.angle; - var aspect = this.mapSize.width / this.mapSize.height; - var far = light.distance || camera.far; - - if ( fov !== camera.fov || aspect !== camera.aspect || far !== camera.far ) { - - camera.fov = fov; - camera.aspect = aspect; - camera.far = far; - camera.updateProjectionMatrix(); - - } - - LightShadow.prototype.updateMatrices.call( this, light, viewCamera, viewportIndex ); - - } - - } ); - - /** - * @author alteredq / http://alteredqualia.com/ - */ - - function SpotLight( color, intensity, distance, angle, penumbra, decay ) { - - Light.call( this, color, intensity ); - - this.type = 'SpotLight'; - - this.position.copy( Object3D.DefaultUp ); - this.updateMatrix(); - - this.target = new Object3D(); - - Object.defineProperty( this, 'power', { - get: function () { - - // intensity = power per solid angle. - // ref: equation (17) from https://seblagarde.files.wordpress.com/2015/07/course_notes_moving_frostbite_to_pbr_v32.pdf - return this.intensity * Math.PI; - - }, - set: function ( power ) { - - // intensity = power per solid angle. - // ref: equation (17) from https://seblagarde.files.wordpress.com/2015/07/course_notes_moving_frostbite_to_pbr_v32.pdf - this.intensity = power / Math.PI; - - } - } ); - - this.distance = ( distance !== undefined ) ? distance : 0; - this.angle = ( angle !== undefined ) ? angle : Math.PI / 3; - this.penumbra = ( penumbra !== undefined ) ? penumbra : 0; - this.decay = ( decay !== undefined ) ? decay : 1; // for physically correct lights, should be 2. - - this.shadow = new SpotLightShadow(); - - } - - SpotLight.prototype = Object.assign( Object.create( Light.prototype ), { - - constructor: SpotLight, - - isSpotLight: true, - - copy: function ( source ) { - - Light.prototype.copy.call( this, source ); - - this.distance = source.distance; - this.angle = source.angle; - this.penumbra = source.penumbra; - this.decay = source.decay; - - this.target = source.target.clone(); - - this.shadow = source.shadow.clone(); - - return this; - - } - - } ); - - function PointLightShadow() { - - LightShadow.call( this, new PerspectiveCamera( 90, 1, 0.5, 500 ) ); - - this._frameExtents = new Vector2( 4, 2 ); - - this._viewportCount = 6; - - this._viewports = [ - // These viewports map a cube-map onto a 2D texture with the - // following orientation: - // - // xzXZ - // y Y - // - // X - Positive x direction - // x - Negative x direction - // Y - Positive y direction - // y - Negative y direction - // Z - Positive z direction - // z - Negative z direction - - // positive X - new Vector4( 2, 1, 1, 1 ), - // negative X - new Vector4( 0, 1, 1, 1 ), - // positive Z - new Vector4( 3, 1, 1, 1 ), - // negative Z - new Vector4( 1, 1, 1, 1 ), - // positive Y - new Vector4( 3, 0, 1, 1 ), - // negative Y - new Vector4( 1, 0, 1, 1 ) - ]; - - this._cubeDirections = [ - new Vector3( 1, 0, 0 ), new Vector3( - 1, 0, 0 ), new Vector3( 0, 0, 1 ), - new Vector3( 0, 0, - 1 ), new Vector3( 0, 1, 0 ), new Vector3( 0, - 1, 0 ) - ]; - - this._cubeUps = [ - new Vector3( 0, 1, 0 ), new Vector3( 0, 1, 0 ), new Vector3( 0, 1, 0 ), - new Vector3( 0, 1, 0 ), new Vector3( 0, 0, 1 ), new Vector3( 0, 0, - 1 ) - ]; - - } - - PointLightShadow.prototype = Object.assign( Object.create( LightShadow.prototype ), { - - constructor: PointLightShadow, - - isPointLightShadow: true, - - updateMatrices: function ( light, viewCamera, viewportIndex ) { - - var camera = this.camera, - shadowMatrix = this.matrix, - lightPositionWorld = this._lightPositionWorld, - lookTarget = this._lookTarget, - projScreenMatrix = this._projScreenMatrix; - - lightPositionWorld.setFromMatrixPosition( light.matrixWorld ); - camera.position.copy( lightPositionWorld ); - - lookTarget.copy( camera.position ); - lookTarget.add( this._cubeDirections[ viewportIndex ] ); - camera.up.copy( this._cubeUps[ viewportIndex ] ); - camera.lookAt( lookTarget ); - camera.updateMatrixWorld(); - - shadowMatrix.makeTranslation( - lightPositionWorld.x, - lightPositionWorld.y, - lightPositionWorld.z ); - - projScreenMatrix.multiplyMatrices( camera.projectionMatrix, camera.matrixWorldInverse ); - this._frustum.setFromMatrix( projScreenMatrix ); - - } - - } ); - - /** - * @author mrdoob / http://mrdoob.com/ - */ - - - function PointLight( color, intensity, distance, decay ) { - - Light.call( this, color, intensity ); - - this.type = 'PointLight'; - - Object.defineProperty( this, 'power', { - get: function () { - - // intensity = power per solid angle. - // ref: equation (15) from https://seblagarde.files.wordpress.com/2015/07/course_notes_moving_frostbite_to_pbr_v32.pdf - return this.intensity * 4 * Math.PI; - - }, - set: function ( power ) { - - // intensity = power per solid angle. - // ref: equation (15) from https://seblagarde.files.wordpress.com/2015/07/course_notes_moving_frostbite_to_pbr_v32.pdf - this.intensity = power / ( 4 * Math.PI ); - - } - } ); - - this.distance = ( distance !== undefined ) ? distance : 0; - this.decay = ( decay !== undefined ) ? decay : 1; // for physically correct lights, should be 2. - - this.shadow = new PointLightShadow(); - - } - - PointLight.prototype = Object.assign( Object.create( Light.prototype ), { - - constructor: PointLight, - - isPointLight: true, - - copy: function ( source ) { - - Light.prototype.copy.call( this, source ); - - this.distance = source.distance; - this.decay = source.decay; - - this.shadow = source.shadow.clone(); - - return this; - - } - - } ); - - /** - * @author alteredq / http://alteredqualia.com/ - * @author arose / http://github.com/arose - */ - - function OrthographicCamera( left, right, top, bottom, near, far ) { - - Camera.call( this ); - - this.type = 'OrthographicCamera'; - - this.zoom = 1; - this.view = null; - - this.left = ( left !== undefined ) ? left : - 1; - this.right = ( right !== undefined ) ? right : 1; - this.top = ( top !== undefined ) ? top : 1; - this.bottom = ( bottom !== undefined ) ? bottom : - 1; - - this.near = ( near !== undefined ) ? near : 0.1; - this.far = ( far !== undefined ) ? far : 2000; - - this.updateProjectionMatrix(); - - } - - OrthographicCamera.prototype = Object.assign( Object.create( Camera.prototype ), { - - constructor: OrthographicCamera, - - isOrthographicCamera: true, - - copy: function ( source, recursive ) { - - Camera.prototype.copy.call( this, source, recursive ); - - this.left = source.left; - this.right = source.right; - this.top = source.top; - this.bottom = source.bottom; - this.near = source.near; - this.far = source.far; - - this.zoom = source.zoom; - this.view = source.view === null ? null : Object.assign( {}, source.view ); - - return this; - - }, - - setViewOffset: function ( fullWidth, fullHeight, x, y, width, height ) { - - if ( this.view === null ) { - - this.view = { - enabled: true, - fullWidth: 1, - fullHeight: 1, - offsetX: 0, - offsetY: 0, - width: 1, - height: 1 - }; - - } - - this.view.enabled = true; - this.view.fullWidth = fullWidth; - this.view.fullHeight = fullHeight; - this.view.offsetX = x; - this.view.offsetY = y; - this.view.width = width; - this.view.height = height; - - this.updateProjectionMatrix(); - - }, - - clearViewOffset: function () { - - if ( this.view !== null ) { - - this.view.enabled = false; - - } - - this.updateProjectionMatrix(); - - }, - - updateProjectionMatrix: function () { - - var dx = ( this.right - this.left ) / ( 2 * this.zoom ); - var dy = ( this.top - this.bottom ) / ( 2 * this.zoom ); - var cx = ( this.right + this.left ) / 2; - var cy = ( this.top + this.bottom ) / 2; - - var left = cx - dx; - var right = cx + dx; - var top = cy + dy; - var bottom = cy - dy; - - if ( this.view !== null && this.view.enabled ) { - - var zoomW = this.zoom / ( this.view.width / this.view.fullWidth ); - var zoomH = this.zoom / ( this.view.height / this.view.fullHeight ); - var scaleW = ( this.right - this.left ) / this.view.width; - var scaleH = ( this.top - this.bottom ) / this.view.height; - - left += scaleW * ( this.view.offsetX / zoomW ); - right = left + scaleW * ( this.view.width / zoomW ); - top -= scaleH * ( this.view.offsetY / zoomH ); - bottom = top - scaleH * ( this.view.height / zoomH ); - - } - - this.projectionMatrix.makeOrthographic( left, right, top, bottom, this.near, this.far ); - - this.projectionMatrixInverse.getInverse( this.projectionMatrix ); - - }, - - toJSON: function ( meta ) { - - var data = Object3D.prototype.toJSON.call( this, meta ); - - data.object.zoom = this.zoom; - data.object.left = this.left; - data.object.right = this.right; - data.object.top = this.top; - data.object.bottom = this.bottom; - data.object.near = this.near; - data.object.far = this.far; - - if ( this.view !== null ) data.object.view = Object.assign( {}, this.view ); - - return data; - - } - - } ); - - /** - * @author mrdoob / http://mrdoob.com/ - */ - - function DirectionalLightShadow() { - - LightShadow.call( this, new OrthographicCamera( - 5, 5, 5, - 5, 0.5, 500 ) ); - - } - - DirectionalLightShadow.prototype = Object.assign( Object.create( LightShadow.prototype ), { - - constructor: DirectionalLightShadow, - - isDirectionalLightShadow: true, - - updateMatrices: function ( light, viewCamera, viewportIndex ) { - - LightShadow.prototype.updateMatrices.call( this, light, viewCamera, viewportIndex ); - - } - - } ); - - /** - * @author mrdoob / http://mrdoob.com/ - * @author alteredq / http://alteredqualia.com/ - */ - - function DirectionalLight( color, intensity ) { - - Light.call( this, color, intensity ); - - this.type = 'DirectionalLight'; - - this.position.copy( Object3D.DefaultUp ); - this.updateMatrix(); - - this.target = new Object3D(); - - this.shadow = new DirectionalLightShadow(); - - } - - DirectionalLight.prototype = Object.assign( Object.create( Light.prototype ), { - - constructor: DirectionalLight, - - isDirectionalLight: true, - - copy: function ( source ) { - - Light.prototype.copy.call( this, source ); - - this.target = source.target.clone(); - - this.shadow = source.shadow.clone(); - - return this; - - } - - } ); - - /** - * @author mrdoob / http://mrdoob.com/ - */ - - function AmbientLight( color, intensity ) { - - Light.call( this, color, intensity ); - - this.type = 'AmbientLight'; - - this.castShadow = undefined; - - } - - AmbientLight.prototype = Object.assign( Object.create( Light.prototype ), { - - constructor: AmbientLight, - - isAmbientLight: true - - } ); - - /** - * @author abelnation / http://github.com/abelnation - */ - - function RectAreaLight( color, intensity, width, height ) { - - Light.call( this, color, intensity ); - - this.type = 'RectAreaLight'; - - this.width = ( width !== undefined ) ? width : 10; - this.height = ( height !== undefined ) ? height : 10; - - } - - RectAreaLight.prototype = Object.assign( Object.create( Light.prototype ), { - - constructor: RectAreaLight, - - isRectAreaLight: true, - - copy: function ( source ) { - - Light.prototype.copy.call( this, source ); - - this.width = source.width; - this.height = source.height; - - return this; - - }, - - toJSON: function ( meta ) { - - var data = Light.prototype.toJSON.call( this, meta ); - - data.object.width = this.width; - data.object.height = this.height; - - return data; - - } - - } ); - - /** - * @author mrdoob / http://mrdoob.com/ - */ - - function MaterialLoader( manager ) { - - Loader.call( this, manager ); - - this.textures = {}; - - } - - MaterialLoader.prototype = Object.assign( Object.create( Loader.prototype ), { - - constructor: MaterialLoader, - - load: function ( url, onLoad, onProgress, onError ) { - - var scope = this; - - var loader = new FileLoader( scope.manager ); - loader.setPath( scope.path ); - loader.load( url, function ( text ) { - - onLoad( scope.parse( JSON.parse( text ) ) ); - - }, onProgress, onError ); - - }, - - parse: function ( json ) { - - var textures = this.textures; - - function getTexture( name ) { - - if ( textures[ name ] === undefined ) { - - console.warn( 'THREE.MaterialLoader: Undefined texture', name ); - - } - - return textures[ name ]; - - } - - var material = new Materials[ json.type ](); - - if ( json.uuid !== undefined ) material.uuid = json.uuid; - if ( json.name !== undefined ) material.name = json.name; - if ( json.color !== undefined ) material.color.setHex( json.color ); - if ( json.roughness !== undefined ) material.roughness = json.roughness; - if ( json.metalness !== undefined ) material.metalness = json.metalness; - if ( json.emissive !== undefined ) material.emissive.setHex( json.emissive ); - if ( json.specular !== undefined ) material.specular.setHex( json.specular ); - if ( json.shininess !== undefined ) material.shininess = json.shininess; - if ( json.clearcoat !== undefined ) material.clearcoat = json.clearcoat; - if ( json.clearcoatRoughness !== undefined ) material.clearcoatRoughness = json.clearcoatRoughness; - if ( json.vertexColors !== undefined ) material.vertexColors = json.vertexColors; - if ( json.fog !== undefined ) material.fog = json.fog; - if ( json.flatShading !== undefined ) material.flatShading = json.flatShading; - if ( json.blending !== undefined ) material.blending = json.blending; - if ( json.combine !== undefined ) material.combine = json.combine; - if ( json.side !== undefined ) material.side = json.side; - if ( json.opacity !== undefined ) material.opacity = json.opacity; - if ( json.transparent !== undefined ) material.transparent = json.transparent; - if ( json.alphaTest !== undefined ) material.alphaTest = json.alphaTest; - if ( json.depthTest !== undefined ) material.depthTest = json.depthTest; - if ( json.depthWrite !== undefined ) material.depthWrite = json.depthWrite; - if ( json.colorWrite !== undefined ) material.colorWrite = json.colorWrite; - if ( json.wireframe !== undefined ) material.wireframe = json.wireframe; - if ( json.wireframeLinewidth !== undefined ) material.wireframeLinewidth = json.wireframeLinewidth; - if ( json.wireframeLinecap !== undefined ) material.wireframeLinecap = json.wireframeLinecap; - if ( json.wireframeLinejoin !== undefined ) material.wireframeLinejoin = json.wireframeLinejoin; - - if ( json.rotation !== undefined ) material.rotation = json.rotation; - - if ( json.linewidth !== 1 ) material.linewidth = json.linewidth; - if ( json.dashSize !== undefined ) material.dashSize = json.dashSize; - if ( json.gapSize !== undefined ) material.gapSize = json.gapSize; - if ( json.scale !== undefined ) material.scale = json.scale; - - if ( json.polygonOffset !== undefined ) material.polygonOffset = json.polygonOffset; - if ( json.polygonOffsetFactor !== undefined ) material.polygonOffsetFactor = json.polygonOffsetFactor; - if ( json.polygonOffsetUnits !== undefined ) material.polygonOffsetUnits = json.polygonOffsetUnits; - - if ( json.skinning !== undefined ) material.skinning = json.skinning; - if ( json.morphTargets !== undefined ) material.morphTargets = json.morphTargets; - if ( json.morphNormals !== undefined ) material.morphNormals = json.morphNormals; - if ( json.dithering !== undefined ) material.dithering = json.dithering; - - if ( json.visible !== undefined ) material.visible = json.visible; - - if ( json.toneMapped !== undefined ) material.toneMapped = json.toneMapped; - - if ( json.userData !== undefined ) material.userData = json.userData; - - // Shader Material - - if ( json.uniforms !== undefined ) { - - for ( var name in json.uniforms ) { - - var uniform = json.uniforms[ name ]; - - material.uniforms[ name ] = {}; - - switch ( uniform.type ) { - - case 't': - material.uniforms[ name ].value = getTexture( uniform.value ); - break; - - case 'c': - material.uniforms[ name ].value = new Color().setHex( uniform.value ); - break; - - case 'v2': - material.uniforms[ name ].value = new Vector2().fromArray( uniform.value ); - break; - - case 'v3': - material.uniforms[ name ].value = new Vector3().fromArray( uniform.value ); - break; - - case 'v4': - material.uniforms[ name ].value = new Vector4().fromArray( uniform.value ); - break; - - case 'm3': - material.uniforms[ name ].value = new Matrix3().fromArray( uniform.value ); - - case 'm4': - material.uniforms[ name ].value = new Matrix4().fromArray( uniform.value ); - break; - - default: - material.uniforms[ name ].value = uniform.value; - - } - - } - - } - - if ( json.defines !== undefined ) material.defines = json.defines; - if ( json.vertexShader !== undefined ) material.vertexShader = json.vertexShader; - if ( json.fragmentShader !== undefined ) material.fragmentShader = json.fragmentShader; - - if ( json.extensions !== undefined ) { - - for ( var key in json.extensions ) { - - material.extensions[ key ] = json.extensions[ key ]; - - } - - } - - // Deprecated - - if ( json.shading !== undefined ) material.flatShading = json.shading === 1; // THREE.FlatShading - - // for PointsMaterial - - if ( json.size !== undefined ) material.size = json.size; - if ( json.sizeAttenuation !== undefined ) material.sizeAttenuation = json.sizeAttenuation; - - // maps - - if ( json.map !== undefined ) material.map = getTexture( json.map ); - if ( json.matcap !== undefined ) material.matcap = getTexture( json.matcap ); - - if ( json.alphaMap !== undefined ) { - - material.alphaMap = getTexture( json.alphaMap ); - material.transparent = true; - - } - - if ( json.bumpMap !== undefined ) material.bumpMap = getTexture( json.bumpMap ); - if ( json.bumpScale !== undefined ) material.bumpScale = json.bumpScale; - - if ( json.normalMap !== undefined ) material.normalMap = getTexture( json.normalMap ); - if ( json.normalMapType !== undefined ) material.normalMapType = json.normalMapType; - if ( json.normalScale !== undefined ) { - - var normalScale = json.normalScale; - - if ( Array.isArray( normalScale ) === false ) { - - // Blender exporter used to export a scalar. See #7459 - - normalScale = [ normalScale, normalScale ]; - - } - - material.normalScale = new Vector2().fromArray( normalScale ); - - } - - if ( json.displacementMap !== undefined ) material.displacementMap = getTexture( json.displacementMap ); - if ( json.displacementScale !== undefined ) material.displacementScale = json.displacementScale; - if ( json.displacementBias !== undefined ) material.displacementBias = json.displacementBias; - - if ( json.roughnessMap !== undefined ) material.roughnessMap = getTexture( json.roughnessMap ); - if ( json.metalnessMap !== undefined ) material.metalnessMap = getTexture( json.metalnessMap ); - - if ( json.emissiveMap !== undefined ) material.emissiveMap = getTexture( json.emissiveMap ); - if ( json.emissiveIntensity !== undefined ) material.emissiveIntensity = json.emissiveIntensity; - - if ( json.specularMap !== undefined ) material.specularMap = getTexture( json.specularMap ); - - if ( json.envMap !== undefined ) material.envMap = getTexture( json.envMap ); - if ( json.envMapIntensity !== undefined ) material.envMapIntensity = json.envMapIntensity; - - if ( json.reflectivity !== undefined ) material.reflectivity = json.reflectivity; - if ( json.refractionRatio !== undefined ) material.refractionRatio = json.refractionRatio; - - if ( json.lightMap !== undefined ) material.lightMap = getTexture( json.lightMap ); - if ( json.lightMapIntensity !== undefined ) material.lightMapIntensity = json.lightMapIntensity; - - if ( json.aoMap !== undefined ) material.aoMap = getTexture( json.aoMap ); - if ( json.aoMapIntensity !== undefined ) material.aoMapIntensity = json.aoMapIntensity; - - if ( json.gradientMap !== undefined ) material.gradientMap = getTexture( json.gradientMap ); - - if ( json.clearcoatNormalMap !== undefined ) material.clearcoatNormalMap = getTexture( json.clearcoatNormalMap ); - if ( json.clearcoatNormalScale !== undefined ) material.clearcoatNormalScale = new Vector2().fromArray( json.clearcoatNormalScale ); - - return material; - - }, - - setTextures: function ( value ) { - - this.textures = value; - return this; - - } - - } ); - - /** - * @author Don McCurdy / https://www.donmccurdy.com - */ - - var LoaderUtils = { - - decodeText: function ( array ) { - - if ( typeof TextDecoder !== 'undefined' ) { - - return new TextDecoder().decode( array ); - - } - - // Avoid the String.fromCharCode.apply(null, array) shortcut, which - // throws a "maximum call stack size exceeded" error for large arrays. - - var s = ''; - - for ( var i = 0, il = array.length; i < il; i ++ ) { - - // Implicitly assumes little-endian. - s += String.fromCharCode( array[ i ] ); - - } - - try { - - // merges multi-byte utf-8 characters. - - return decodeURIComponent( escape( s ) ); - - } catch ( e ) { // see #16358 - - return s; - - } - - }, - - extractUrlBase: function ( url ) { - - var index = url.lastIndexOf( '/' ); - - if ( index === - 1 ) return './'; - - return url.substr( 0, index + 1 ); - - } - - }; - - /** - * @author benaadams / https://twitter.com/ben_a_adams - */ - - function InstancedBufferGeometry() { - - BufferGeometry.call( this ); - - this.type = 'InstancedBufferGeometry'; - this.maxInstancedCount = undefined; - - } - - InstancedBufferGeometry.prototype = Object.assign( Object.create( BufferGeometry.prototype ), { - - constructor: InstancedBufferGeometry, - - isInstancedBufferGeometry: true, - - copy: function ( source ) { - - BufferGeometry.prototype.copy.call( this, source ); - - this.maxInstancedCount = source.maxInstancedCount; - - return this; - - }, - - clone: function () { - - return new this.constructor().copy( this ); - - }, - - toJSON: function () { - - var data = BufferGeometry.prototype.toJSON.call( this ); - - data.maxInstancedCount = this.maxInstancedCount; - - data.isInstancedBufferGeometry = true; - - return data; - - } - - } ); - - /** - * @author benaadams / https://twitter.com/ben_a_adams - */ - - function InstancedBufferAttribute( array, itemSize, normalized, meshPerAttribute ) { - - if ( typeof ( normalized ) === 'number' ) { - - meshPerAttribute = normalized; - - normalized = false; - - console.error( 'THREE.InstancedBufferAttribute: The constructor now expects normalized as the third argument.' ); - - } - - BufferAttribute.call( this, array, itemSize, normalized ); - - this.meshPerAttribute = meshPerAttribute || 1; - - } - - InstancedBufferAttribute.prototype = Object.assign( Object.create( BufferAttribute.prototype ), { - - constructor: InstancedBufferAttribute, - - isInstancedBufferAttribute: true, - - copy: function ( source ) { - - BufferAttribute.prototype.copy.call( this, source ); - - this.meshPerAttribute = source.meshPerAttribute; - - return this; - - }, - - toJSON: function () { - - var data = BufferAttribute.prototype.toJSON.call( this ); - - data.meshPerAttribute = this.meshPerAttribute; - - data.isInstancedBufferAttribute = true; - - return data; - - } - - } ); - - /** - * @author mrdoob / http://mrdoob.com/ - */ - - function BufferGeometryLoader( manager ) { - - Loader.call( this, manager ); - - } - - BufferGeometryLoader.prototype = Object.assign( Object.create( Loader.prototype ), { - - constructor: BufferGeometryLoader, - - load: function ( url, onLoad, onProgress, onError ) { - - var scope = this; - - var loader = new FileLoader( scope.manager ); - loader.setPath( scope.path ); - loader.load( url, function ( text ) { - - onLoad( scope.parse( JSON.parse( text ) ) ); - - }, onProgress, onError ); - - }, - - parse: function ( json ) { - - var geometry = json.isInstancedBufferGeometry ? new InstancedBufferGeometry() : new BufferGeometry(); - - var index = json.data.index; - - if ( index !== undefined ) { - - var typedArray = new TYPED_ARRAYS[ index.type ]( index.array ); - geometry.setIndex( new BufferAttribute( typedArray, 1 ) ); - - } - - var attributes = json.data.attributes; - - for ( var key in attributes ) { - - var attribute = attributes[ key ]; - var typedArray = new TYPED_ARRAYS[ attribute.type ]( attribute.array ); - var bufferAttributeConstr = attribute.isInstancedBufferAttribute ? InstancedBufferAttribute : BufferAttribute; - var bufferAttribute = new bufferAttributeConstr( typedArray, attribute.itemSize, attribute.normalized ); - if ( attribute.name !== undefined ) bufferAttribute.name = attribute.name; - geometry.addAttribute( key, bufferAttribute ); - - } - - var morphAttributes = json.data.morphAttributes; - - if ( morphAttributes ) { - - for ( var key in morphAttributes ) { - - var attributeArray = morphAttributes[ key ]; - - var array = []; - - for ( var i = 0, il = attributeArray.length; i < il; i ++ ) { - - var attribute = attributeArray[ i ]; - var typedArray = new TYPED_ARRAYS[ attribute.type ]( attribute.array ); - - var bufferAttribute = new BufferAttribute( typedArray, attribute.itemSize, attribute.normalized ); - if ( attribute.name !== undefined ) bufferAttribute.name = attribute.name; - array.push( bufferAttribute ); - - } - - geometry.morphAttributes[ key ] = array; - - } - - } - - var groups = json.data.groups || json.data.drawcalls || json.data.offsets; - - if ( groups !== undefined ) { - - for ( var i = 0, n = groups.length; i !== n; ++ i ) { - - var group = groups[ i ]; - - geometry.addGroup( group.start, group.count, group.materialIndex ); - - } - - } - - var boundingSphere = json.data.boundingSphere; - - if ( boundingSphere !== undefined ) { - - var center = new Vector3(); - - if ( boundingSphere.center !== undefined ) { - - center.fromArray( boundingSphere.center ); - - } - - geometry.boundingSphere = new Sphere( center, boundingSphere.radius ); - - } - - if ( json.name ) geometry.name = json.name; - if ( json.userData ) geometry.userData = json.userData; - - return geometry; - - } - - } ); - - var TYPED_ARRAYS = { - Int8Array: Int8Array, - Uint8Array: Uint8Array, - // Workaround for IE11 pre KB2929437. See #11440 - Uint8ClampedArray: typeof Uint8ClampedArray !== 'undefined' ? Uint8ClampedArray : Uint8Array, - Int16Array: Int16Array, - Uint16Array: Uint16Array, - Int32Array: Int32Array, - Uint32Array: Uint32Array, - Float32Array: Float32Array, - Float64Array: Float64Array - }; - - /** - * @author mrdoob / http://mrdoob.com/ - */ - - function ObjectLoader( manager ) { - - Loader.call( this, manager ); - - } - - ObjectLoader.prototype = Object.assign( Object.create( Loader.prototype ), { - - constructor: ObjectLoader, - - load: function ( url, onLoad, onProgress, onError ) { - - var scope = this; - - var path = ( this.path === '' ) ? LoaderUtils.extractUrlBase( url ) : this.path; - this.resourcePath = this.resourcePath || path; - - var loader = new FileLoader( scope.manager ); - loader.setPath( this.path ); - loader.load( url, function ( text ) { - - var json = null; - - try { - - json = JSON.parse( text ); - - } catch ( error ) { - - if ( onError !== undefined ) onError( error ); - - console.error( 'THREE:ObjectLoader: Can\'t parse ' + url + '.', error.message ); - - return; - - } - - var metadata = json.metadata; - - if ( metadata === undefined || metadata.type === undefined || metadata.type.toLowerCase() === 'geometry' ) { - - console.error( 'THREE.ObjectLoader: Can\'t load ' + url ); - return; - - } - - scope.parse( json, onLoad ); - - }, onProgress, onError ); - - }, - - parse: function ( json, onLoad ) { - - var shapes = this.parseShape( json.shapes ); - var geometries = this.parseGeometries( json.geometries, shapes ); - - var images = this.parseImages( json.images, function () { - - if ( onLoad !== undefined ) onLoad( object ); - - } ); - - var textures = this.parseTextures( json.textures, images ); - var materials = this.parseMaterials( json.materials, textures ); - - var object = this.parseObject( json.object, geometries, materials ); - - if ( json.animations ) { - - object.animations = this.parseAnimations( json.animations ); - - } - - if ( json.images === undefined || json.images.length === 0 ) { - - if ( onLoad !== undefined ) onLoad( object ); - - } - - return object; - - }, - - parseShape: function ( json ) { - - var shapes = {}; - - if ( json !== undefined ) { - - for ( var i = 0, l = json.length; i < l; i ++ ) { - - var shape = new Shape().fromJSON( json[ i ] ); - - shapes[ shape.uuid ] = shape; - - } - - } - - return shapes; - - }, - - parseGeometries: function ( json, shapes ) { - - var geometries = {}; - - if ( json !== undefined ) { - - var bufferGeometryLoader = new BufferGeometryLoader(); - - for ( var i = 0, l = json.length; i < l; i ++ ) { - - var geometry; - var data = json[ i ]; - - switch ( data.type ) { - - case 'PlaneGeometry': - case 'PlaneBufferGeometry': - - geometry = new Geometries[ data.type ]( - data.width, - data.height, - data.widthSegments, - data.heightSegments - ); - - break; - - case 'BoxGeometry': - case 'BoxBufferGeometry': - case 'CubeGeometry': // backwards compatible - - geometry = new Geometries[ data.type ]( - data.width, - data.height, - data.depth, - data.widthSegments, - data.heightSegments, - data.depthSegments - ); - - break; - - case 'CircleGeometry': - case 'CircleBufferGeometry': - - geometry = new Geometries[ data.type ]( - data.radius, - data.segments, - data.thetaStart, - data.thetaLength - ); - - break; - - case 'CylinderGeometry': - case 'CylinderBufferGeometry': - - geometry = new Geometries[ data.type ]( - data.radiusTop, - data.radiusBottom, - data.height, - data.radialSegments, - data.heightSegments, - data.openEnded, - data.thetaStart, - data.thetaLength - ); - - break; - - case 'ConeGeometry': - case 'ConeBufferGeometry': - - geometry = new Geometries[ data.type ]( - data.radius, - data.height, - data.radialSegments, - data.heightSegments, - data.openEnded, - data.thetaStart, - data.thetaLength - ); - - break; - - case 'SphereGeometry': - case 'SphereBufferGeometry': - - geometry = new Geometries[ data.type ]( - data.radius, - data.widthSegments, - data.heightSegments, - data.phiStart, - data.phiLength, - data.thetaStart, - data.thetaLength - ); - - break; - - case 'DodecahedronGeometry': - case 'DodecahedronBufferGeometry': - case 'IcosahedronGeometry': - case 'IcosahedronBufferGeometry': - case 'OctahedronGeometry': - case 'OctahedronBufferGeometry': - case 'TetrahedronGeometry': - case 'TetrahedronBufferGeometry': - - geometry = new Geometries[ data.type ]( - data.radius, - data.detail - ); - - break; - - case 'RingGeometry': - case 'RingBufferGeometry': - - geometry = new Geometries[ data.type ]( - data.innerRadius, - data.outerRadius, - data.thetaSegments, - data.phiSegments, - data.thetaStart, - data.thetaLength - ); - - break; - - case 'TorusGeometry': - case 'TorusBufferGeometry': - - geometry = new Geometries[ data.type ]( - data.radius, - data.tube, - data.radialSegments, - data.tubularSegments, - data.arc - ); - - break; - - case 'TorusKnotGeometry': - case 'TorusKnotBufferGeometry': - - geometry = new Geometries[ data.type ]( - data.radius, - data.tube, - data.tubularSegments, - data.radialSegments, - data.p, - data.q - ); - - break; - - case 'TubeGeometry': - case 'TubeBufferGeometry': - - // This only works for built-in curves (e.g. CatmullRomCurve3). - // User defined curves or instances of CurvePath will not be deserialized. - geometry = new Geometries[ data.type ]( - new Curves[ data.path.type ]().fromJSON( data.path ), - data.tubularSegments, - data.radius, - data.radialSegments, - data.closed - ); - - break; - - case 'LatheGeometry': - case 'LatheBufferGeometry': - - geometry = new Geometries[ data.type ]( - data.points, - data.segments, - data.phiStart, - data.phiLength - ); - - break; - - case 'PolyhedronGeometry': - case 'PolyhedronBufferGeometry': - - geometry = new Geometries[ data.type ]( - data.vertices, - data.indices, - data.radius, - data.details - ); - - break; - - case 'ShapeGeometry': - case 'ShapeBufferGeometry': - - var geometryShapes = []; - - for ( var j = 0, jl = data.shapes.length; j < jl; j ++ ) { - - var shape = shapes[ data.shapes[ j ] ]; - - geometryShapes.push( shape ); - - } - - geometry = new Geometries[ data.type ]( - geometryShapes, - data.curveSegments - ); - - break; - - - case 'ExtrudeGeometry': - case 'ExtrudeBufferGeometry': - - var geometryShapes = []; - - for ( var j = 0, jl = data.shapes.length; j < jl; j ++ ) { - - var shape = shapes[ data.shapes[ j ] ]; - - geometryShapes.push( shape ); - - } - - var extrudePath = data.options.extrudePath; - - if ( extrudePath !== undefined ) { - - data.options.extrudePath = new Curves[ extrudePath.type ]().fromJSON( extrudePath ); - - } - - geometry = new Geometries[ data.type ]( - geometryShapes, - data.options - ); - - break; - - case 'BufferGeometry': - case 'InstancedBufferGeometry': - - geometry = bufferGeometryLoader.parse( data ); - - break; - - case 'Geometry': - - if ( 'THREE' in window && 'LegacyJSONLoader' in THREE ) { - - var geometryLoader = new THREE.LegacyJSONLoader(); - geometry = geometryLoader.parse( data, this.resourcePath ).geometry; - - - } else { - - console.error( 'THREE.ObjectLoader: You have to import LegacyJSONLoader in order load geometry data of type "Geometry".' ); - - } - - break; - - default: - - console.warn( 'THREE.ObjectLoader: Unsupported geometry type "' + data.type + '"' ); - - continue; - - } - - geometry.uuid = data.uuid; - - if ( data.name !== undefined ) geometry.name = data.name; - if ( geometry.isBufferGeometry === true && data.userData !== undefined ) geometry.userData = data.userData; - - geometries[ data.uuid ] = geometry; - - } - - } - - return geometries; - - }, - - parseMaterials: function ( json, textures ) { - - var cache = {}; // MultiMaterial - var materials = {}; - - if ( json !== undefined ) { - - var loader = new MaterialLoader(); - loader.setTextures( textures ); - - for ( var i = 0, l = json.length; i < l; i ++ ) { - - var data = json[ i ]; - - if ( data.type === 'MultiMaterial' ) { - - // Deprecated - - var array = []; - - for ( var j = 0; j < data.materials.length; j ++ ) { - - var material = data.materials[ j ]; - - if ( cache[ material.uuid ] === undefined ) { - - cache[ material.uuid ] = loader.parse( material ); - - } - - array.push( cache[ material.uuid ] ); - - } - - materials[ data.uuid ] = array; - - } else { - - if ( cache[ data.uuid ] === undefined ) { - - cache[ data.uuid ] = loader.parse( data ); - - } - - materials[ data.uuid ] = cache[ data.uuid ]; - - } - - } - - } - - return materials; - - }, - - parseAnimations: function ( json ) { - - var animations = []; - - for ( var i = 0; i < json.length; i ++ ) { - - var data = json[ i ]; - - var clip = AnimationClip.parse( data ); - - if ( data.uuid !== undefined ) clip.uuid = data.uuid; - - animations.push( clip ); - - } - - return animations; - - }, - - parseImages: function ( json, onLoad ) { - - var scope = this; - var images = {}; - - function loadImage( url ) { - - scope.manager.itemStart( url ); - - return loader.load( url, function () { - - scope.manager.itemEnd( url ); - - }, undefined, function () { - - scope.manager.itemError( url ); - scope.manager.itemEnd( url ); - - } ); - - } - - if ( json !== undefined && json.length > 0 ) { - - var manager = new LoadingManager( onLoad ); - - var loader = new ImageLoader( manager ); - loader.setCrossOrigin( this.crossOrigin ); - - for ( var i = 0, il = json.length; i < il; i ++ ) { - - var image = json[ i ]; - var url = image.url; - - if ( Array.isArray( url ) ) { - - // load array of images e.g CubeTexture - - images[ image.uuid ] = []; - - for ( var j = 0, jl = url.length; j < jl; j ++ ) { - - var currentUrl = url[ j ]; - - var path = /^(\/\/)|([a-z]+:(\/\/)?)/i.test( currentUrl ) ? currentUrl : scope.resourcePath + currentUrl; - - images[ image.uuid ].push( loadImage( path ) ); - - } - - } else { - - // load single image - - var path = /^(\/\/)|([a-z]+:(\/\/)?)/i.test( image.url ) ? image.url : scope.resourcePath + image.url; - - images[ image.uuid ] = loadImage( path ); - - } - - } - - } - - return images; - - }, - - parseTextures: function ( json, images ) { - - function parseConstant( value, type ) { - - if ( typeof value === 'number' ) return value; - - console.warn( 'THREE.ObjectLoader.parseTexture: Constant should be in numeric form.', value ); - - return type[ value ]; - - } - - var textures = {}; - - if ( json !== undefined ) { - - for ( var i = 0, l = json.length; i < l; i ++ ) { - - var data = json[ i ]; - - if ( data.image === undefined ) { - - console.warn( 'THREE.ObjectLoader: No "image" specified for', data.uuid ); - - } - - if ( images[ data.image ] === undefined ) { - - console.warn( 'THREE.ObjectLoader: Undefined image', data.image ); - - } - - var texture; - - if ( Array.isArray( images[ data.image ] ) ) { - - texture = new CubeTexture( images[ data.image ] ); - - } else { - - texture = new Texture( images[ data.image ] ); - - } - - texture.needsUpdate = true; - - texture.uuid = data.uuid; - - if ( data.name !== undefined ) texture.name = data.name; - - if ( data.mapping !== undefined ) texture.mapping = parseConstant( data.mapping, TEXTURE_MAPPING ); - - if ( data.offset !== undefined ) texture.offset.fromArray( data.offset ); - if ( data.repeat !== undefined ) texture.repeat.fromArray( data.repeat ); - if ( data.center !== undefined ) texture.center.fromArray( data.center ); - if ( data.rotation !== undefined ) texture.rotation = data.rotation; - - if ( data.wrap !== undefined ) { - - texture.wrapS = parseConstant( data.wrap[ 0 ], TEXTURE_WRAPPING ); - texture.wrapT = parseConstant( data.wrap[ 1 ], TEXTURE_WRAPPING ); - - } - - if ( data.format !== undefined ) texture.format = data.format; - if ( data.type !== undefined ) texture.type = data.type; - if ( data.encoding !== undefined ) texture.encoding = data.encoding; - - if ( data.minFilter !== undefined ) texture.minFilter = parseConstant( data.minFilter, TEXTURE_FILTER ); - if ( data.magFilter !== undefined ) texture.magFilter = parseConstant( data.magFilter, TEXTURE_FILTER ); - if ( data.anisotropy !== undefined ) texture.anisotropy = data.anisotropy; - - if ( data.flipY !== undefined ) texture.flipY = data.flipY; - - if ( data.premultiplyAlpha !== undefined ) texture.premultiplyAlpha = data.premultiplyAlpha; - if ( data.unpackAlignment !== undefined ) texture.unpackAlignment = data.unpackAlignment; - - textures[ data.uuid ] = texture; - - } - - } - - return textures; - - }, - - parseObject: function ( data, geometries, materials ) { - - var object; - - function getGeometry( name ) { - - if ( geometries[ name ] === undefined ) { - - console.warn( 'THREE.ObjectLoader: Undefined geometry', name ); - - } - - return geometries[ name ]; - - } - - function getMaterial( name ) { - - if ( name === undefined ) return undefined; - - if ( Array.isArray( name ) ) { - - var array = []; - - for ( var i = 0, l = name.length; i < l; i ++ ) { - - var uuid = name[ i ]; - - if ( materials[ uuid ] === undefined ) { - - console.warn( 'THREE.ObjectLoader: Undefined material', uuid ); - - } - - array.push( materials[ uuid ] ); - - } - - return array; - - } - - if ( materials[ name ] === undefined ) { - - console.warn( 'THREE.ObjectLoader: Undefined material', name ); - - } - - return materials[ name ]; - - } - - switch ( data.type ) { - - case 'Scene': - - object = new Scene(); - - if ( data.background !== undefined ) { - - if ( Number.isInteger( data.background ) ) { - - object.background = new Color( data.background ); - - } - - } - - if ( data.fog !== undefined ) { - - if ( data.fog.type === 'Fog' ) { - - object.fog = new Fog( data.fog.color, data.fog.near, data.fog.far ); - - } else if ( data.fog.type === 'FogExp2' ) { - - object.fog = new FogExp2( data.fog.color, data.fog.density ); - - } - - } - - break; - - case 'PerspectiveCamera': - - object = new PerspectiveCamera( data.fov, data.aspect, data.near, data.far ); - - if ( data.focus !== undefined ) object.focus = data.focus; - if ( data.zoom !== undefined ) object.zoom = data.zoom; - if ( data.filmGauge !== undefined ) object.filmGauge = data.filmGauge; - if ( data.filmOffset !== undefined ) object.filmOffset = data.filmOffset; - if ( data.view !== undefined ) object.view = Object.assign( {}, data.view ); - - break; - - case 'OrthographicCamera': - - object = new OrthographicCamera( data.left, data.right, data.top, data.bottom, data.near, data.far ); - - if ( data.zoom !== undefined ) object.zoom = data.zoom; - if ( data.view !== undefined ) object.view = Object.assign( {}, data.view ); - - break; - - case 'AmbientLight': - - object = new AmbientLight( data.color, data.intensity ); - - break; - - case 'DirectionalLight': - - object = new DirectionalLight( data.color, data.intensity ); - - break; - - case 'PointLight': - - object = new PointLight( data.color, data.intensity, data.distance, data.decay ); - - break; - - case 'RectAreaLight': - - object = new RectAreaLight( data.color, data.intensity, data.width, data.height ); - - break; - - case 'SpotLight': - - object = new SpotLight( data.color, data.intensity, data.distance, data.angle, data.penumbra, data.decay ); - - break; - - case 'HemisphereLight': - - object = new HemisphereLight( data.color, data.groundColor, data.intensity ); - - break; - - case 'SkinnedMesh': - - console.warn( 'THREE.ObjectLoader.parseObject() does not support SkinnedMesh yet.' ); - - case 'Mesh': - - var geometry = getGeometry( data.geometry ); - var material = getMaterial( data.material ); - - if ( geometry.bones && geometry.bones.length > 0 ) { - - object = new SkinnedMesh( geometry, material ); - - } else { - - object = new Mesh( geometry, material ); - - } - - if ( data.drawMode !== undefined ) object.setDrawMode( data.drawMode ); - - break; - - case 'LOD': - - object = new LOD(); - - break; - - case 'Line': - - object = new Line( getGeometry( data.geometry ), getMaterial( data.material ), data.mode ); - - break; - - case 'LineLoop': - - object = new LineLoop( getGeometry( data.geometry ), getMaterial( data.material ) ); - - break; - - case 'LineSegments': - - object = new LineSegments( getGeometry( data.geometry ), getMaterial( data.material ) ); - - break; - - case 'PointCloud': - case 'Points': - - object = new Points( getGeometry( data.geometry ), getMaterial( data.material ) ); - - break; - - case 'Sprite': - - object = new Sprite( getMaterial( data.material ) ); - - break; - - case 'Group': - - object = new Group(); - - break; - - default: - - object = new Object3D(); - - } - - object.uuid = data.uuid; - - if ( data.name !== undefined ) object.name = data.name; - - if ( data.matrix !== undefined ) { - - object.matrix.fromArray( data.matrix ); - - if ( data.matrixAutoUpdate !== undefined ) object.matrixAutoUpdate = data.matrixAutoUpdate; - if ( object.matrixAutoUpdate ) object.matrix.decompose( object.position, object.quaternion, object.scale ); - - } else { - - if ( data.position !== undefined ) object.position.fromArray( data.position ); - if ( data.rotation !== undefined ) object.rotation.fromArray( data.rotation ); - if ( data.quaternion !== undefined ) object.quaternion.fromArray( data.quaternion ); - if ( data.scale !== undefined ) object.scale.fromArray( data.scale ); - - } - - if ( data.castShadow !== undefined ) object.castShadow = data.castShadow; - if ( data.receiveShadow !== undefined ) object.receiveShadow = data.receiveShadow; - - if ( data.shadow ) { - - if ( data.shadow.bias !== undefined ) object.shadow.bias = data.shadow.bias; - if ( data.shadow.radius !== undefined ) object.shadow.radius = data.shadow.radius; - if ( data.shadow.mapSize !== undefined ) object.shadow.mapSize.fromArray( data.shadow.mapSize ); - if ( data.shadow.camera !== undefined ) object.shadow.camera = this.parseObject( data.shadow.camera ); - - } - - if ( data.visible !== undefined ) object.visible = data.visible; - if ( data.frustumCulled !== undefined ) object.frustumCulled = data.frustumCulled; - if ( data.renderOrder !== undefined ) object.renderOrder = data.renderOrder; - if ( data.userData !== undefined ) object.userData = data.userData; - if ( data.layers !== undefined ) object.layers.mask = data.layers; - - if ( data.children !== undefined ) { - - var children = data.children; - - for ( var i = 0; i < children.length; i ++ ) { - - object.add( this.parseObject( children[ i ], geometries, materials ) ); - - } - - } - - if ( data.type === 'LOD' ) { - - var levels = data.levels; - - for ( var l = 0; l < levels.length; l ++ ) { - - var level = levels[ l ]; - var child = object.getObjectByProperty( 'uuid', level.object ); - - if ( child !== undefined ) { - - object.addLevel( child, level.distance ); - - } - - } - - } - - return object; - - } - - } ); - - var TEXTURE_MAPPING = { - UVMapping: UVMapping, - CubeReflectionMapping: CubeReflectionMapping, - CubeRefractionMapping: CubeRefractionMapping, - EquirectangularReflectionMapping: EquirectangularReflectionMapping, - EquirectangularRefractionMapping: EquirectangularRefractionMapping, - SphericalReflectionMapping: SphericalReflectionMapping, - CubeUVReflectionMapping: CubeUVReflectionMapping, - CubeUVRefractionMapping: CubeUVRefractionMapping - }; - - var TEXTURE_WRAPPING = { - RepeatWrapping: RepeatWrapping, - ClampToEdgeWrapping: ClampToEdgeWrapping, - MirroredRepeatWrapping: MirroredRepeatWrapping - }; - - var TEXTURE_FILTER = { - NearestFilter: NearestFilter, - NearestMipmapNearestFilter: NearestMipmapNearestFilter, - NearestMipmapLinearFilter: NearestMipmapLinearFilter, - LinearFilter: LinearFilter, - LinearMipmapNearestFilter: LinearMipmapNearestFilter, - LinearMipmapLinearFilter: LinearMipmapLinearFilter - }; - - /** - * @author thespite / http://clicktorelease.com/ - */ - - - function ImageBitmapLoader( manager ) { - - if ( typeof createImageBitmap === 'undefined' ) { - - console.warn( 'THREE.ImageBitmapLoader: createImageBitmap() not supported.' ); - - } - - if ( typeof fetch === 'undefined' ) { - - console.warn( 'THREE.ImageBitmapLoader: fetch() not supported.' ); - - } - - Loader.call( this, manager ); - - this.options = undefined; - - } - - ImageBitmapLoader.prototype = Object.assign( Object.create( Loader.prototype ), { - - constructor: ImageBitmapLoader, - - setOptions: function setOptions( options ) { - - this.options = options; - - return this; - - }, - - load: function ( url, onLoad, onProgress, onError ) { - - if ( url === undefined ) url = ''; - - if ( this.path !== undefined ) url = this.path + url; - - url = this.manager.resolveURL( url ); - - var scope = this; - - var cached = Cache.get( url ); - - if ( cached !== undefined ) { - - scope.manager.itemStart( url ); - - setTimeout( function () { - - if ( onLoad ) onLoad( cached ); - - scope.manager.itemEnd( url ); - - }, 0 ); - - return cached; - - } - - fetch( url ).then( function ( res ) { - - return res.blob(); - - } ).then( function ( blob ) { - - if ( scope.options === undefined ) { - - // Workaround for FireFox. It causes an error if you pass options. - return createImageBitmap( blob ); - - } else { - - return createImageBitmap( blob, scope.options ); - - } - - } ).then( function ( imageBitmap ) { - - Cache.add( url, imageBitmap ); - - if ( onLoad ) onLoad( imageBitmap ); - - scope.manager.itemEnd( url ); - - } ).catch( function ( e ) { - - if ( onError ) onError( e ); - - scope.manager.itemError( url ); - scope.manager.itemEnd( url ); - - } ); - - scope.manager.itemStart( url ); - - } - - } ); - - /** - * @author zz85 / http://www.lab4games.net/zz85/blog - * minimal class for proxing functions to Path. Replaces old "extractSubpaths()" - **/ - - function ShapePath() { - - this.type = 'ShapePath'; - - this.color = new Color(); - - this.subPaths = []; - this.currentPath = null; - - } - - Object.assign( ShapePath.prototype, { - - moveTo: function ( x, y ) { - - this.currentPath = new Path(); - this.subPaths.push( this.currentPath ); - this.currentPath.moveTo( x, y ); - - }, - - lineTo: function ( x, y ) { - - this.currentPath.lineTo( x, y ); - - }, - - quadraticCurveTo: function ( aCPx, aCPy, aX, aY ) { - - this.currentPath.quadraticCurveTo( aCPx, aCPy, aX, aY ); - - }, - - bezierCurveTo: function ( aCP1x, aCP1y, aCP2x, aCP2y, aX, aY ) { - - this.currentPath.bezierCurveTo( aCP1x, aCP1y, aCP2x, aCP2y, aX, aY ); - - }, - - splineThru: function ( pts ) { - - this.currentPath.splineThru( pts ); - - }, - - toShapes: function ( isCCW, noHoles ) { - - function toShapesNoHoles( inSubpaths ) { - - var shapes = []; - - for ( var i = 0, l = inSubpaths.length; i < l; i ++ ) { - - var tmpPath = inSubpaths[ i ]; - - var tmpShape = new Shape(); - tmpShape.curves = tmpPath.curves; - - shapes.push( tmpShape ); - - } - - return shapes; - - } - - function isPointInsidePolygon( inPt, inPolygon ) { - - var polyLen = inPolygon.length; - - // inPt on polygon contour => immediate success or - // toggling of inside/outside at every single! intersection point of an edge - // with the horizontal line through inPt, left of inPt - // not counting lowerY endpoints of edges and whole edges on that line - var inside = false; - for ( var p = polyLen - 1, q = 0; q < polyLen; p = q ++ ) { - - var edgeLowPt = inPolygon[ p ]; - var edgeHighPt = inPolygon[ q ]; - - var edgeDx = edgeHighPt.x - edgeLowPt.x; - var edgeDy = edgeHighPt.y - edgeLowPt.y; - - if ( Math.abs( edgeDy ) > Number.EPSILON ) { - - // not parallel - if ( edgeDy < 0 ) { - - edgeLowPt = inPolygon[ q ]; edgeDx = - edgeDx; - edgeHighPt = inPolygon[ p ]; edgeDy = - edgeDy; - - } - if ( ( inPt.y < edgeLowPt.y ) || ( inPt.y > edgeHighPt.y ) ) continue; - - if ( inPt.y === edgeLowPt.y ) { - - if ( inPt.x === edgeLowPt.x ) return true; // inPt is on contour ? - // continue; // no intersection or edgeLowPt => doesn't count !!! - - } else { - - var perpEdge = edgeDy * ( inPt.x - edgeLowPt.x ) - edgeDx * ( inPt.y - edgeLowPt.y ); - if ( perpEdge === 0 ) return true; // inPt is on contour ? - if ( perpEdge < 0 ) continue; - inside = ! inside; // true intersection left of inPt - - } - - } else { - - // parallel or collinear - if ( inPt.y !== edgeLowPt.y ) continue; // parallel - // edge lies on the same horizontal line as inPt - if ( ( ( edgeHighPt.x <= inPt.x ) && ( inPt.x <= edgeLowPt.x ) ) || - ( ( edgeLowPt.x <= inPt.x ) && ( inPt.x <= edgeHighPt.x ) ) ) return true; // inPt: Point on contour ! - // continue; - - } - - } - - return inside; - - } - - var isClockWise = ShapeUtils.isClockWise; - - var subPaths = this.subPaths; - if ( subPaths.length === 0 ) return []; - - if ( noHoles === true ) return toShapesNoHoles( subPaths ); - - - var solid, tmpPath, tmpShape, shapes = []; - - if ( subPaths.length === 1 ) { - - tmpPath = subPaths[ 0 ]; - tmpShape = new Shape(); - tmpShape.curves = tmpPath.curves; - shapes.push( tmpShape ); - return shapes; - - } - - var holesFirst = ! isClockWise( subPaths[ 0 ].getPoints() ); - holesFirst = isCCW ? ! holesFirst : holesFirst; - - // console.log("Holes first", holesFirst); - - var betterShapeHoles = []; - var newShapes = []; - var newShapeHoles = []; - var mainIdx = 0; - var tmpPoints; - - newShapes[ mainIdx ] = undefined; - newShapeHoles[ mainIdx ] = []; - - for ( var i = 0, l = subPaths.length; i < l; i ++ ) { - - tmpPath = subPaths[ i ]; - tmpPoints = tmpPath.getPoints(); - solid = isClockWise( tmpPoints ); - solid = isCCW ? ! solid : solid; - - if ( solid ) { - - if ( ( ! holesFirst ) && ( newShapes[ mainIdx ] ) ) mainIdx ++; - - newShapes[ mainIdx ] = { s: new Shape(), p: tmpPoints }; - newShapes[ mainIdx ].s.curves = tmpPath.curves; - - if ( holesFirst ) mainIdx ++; - newShapeHoles[ mainIdx ] = []; - - //console.log('cw', i); - - } else { - - newShapeHoles[ mainIdx ].push( { h: tmpPath, p: tmpPoints[ 0 ] } ); - - //console.log('ccw', i); - - } - - } - - // only Holes? -> probably all Shapes with wrong orientation - if ( ! newShapes[ 0 ] ) return toShapesNoHoles( subPaths ); - - - if ( newShapes.length > 1 ) { - - var ambiguous = false; - var toChange = []; - - for ( var sIdx = 0, sLen = newShapes.length; sIdx < sLen; sIdx ++ ) { - - betterShapeHoles[ sIdx ] = []; - - } - - for ( var sIdx = 0, sLen = newShapes.length; sIdx < sLen; sIdx ++ ) { - - var sho = newShapeHoles[ sIdx ]; - - for ( var hIdx = 0; hIdx < sho.length; hIdx ++ ) { - - var ho = sho[ hIdx ]; - var hole_unassigned = true; - - for ( var s2Idx = 0; s2Idx < newShapes.length; s2Idx ++ ) { - - if ( isPointInsidePolygon( ho.p, newShapes[ s2Idx ].p ) ) { - - if ( sIdx !== s2Idx ) toChange.push( { froms: sIdx, tos: s2Idx, hole: hIdx } ); - if ( hole_unassigned ) { - - hole_unassigned = false; - betterShapeHoles[ s2Idx ].push( ho ); - - } else { - - ambiguous = true; - - } - - } - - } - if ( hole_unassigned ) { - - betterShapeHoles[ sIdx ].push( ho ); - - } - - } - - } - // console.log("ambiguous: ", ambiguous); - if ( toChange.length > 0 ) { - - // console.log("to change: ", toChange); - if ( ! ambiguous ) newShapeHoles = betterShapeHoles; - - } - - } - - var tmpHoles; - - for ( var i = 0, il = newShapes.length; i < il; i ++ ) { - - tmpShape = newShapes[ i ].s; - shapes.push( tmpShape ); - tmpHoles = newShapeHoles[ i ]; - - for ( var j = 0, jl = tmpHoles.length; j < jl; j ++ ) { - - tmpShape.holes.push( tmpHoles[ j ].h ); - - } - - } - - //console.log("shape", shapes); - - return shapes; - - } - - } ); - - /** - * @author zz85 / http://www.lab4games.net/zz85/blog - * @author mrdoob / http://mrdoob.com/ - */ - - - function Font( data ) { - - this.type = 'Font'; - - this.data = data; - - } - - Object.assign( Font.prototype, { - - isFont: true, - - generateShapes: function ( text, size ) { - - if ( size === undefined ) size = 100; - - var shapes = []; - var paths = createPaths( text, size, this.data ); - - for ( var p = 0, pl = paths.length; p < pl; p ++ ) { - - Array.prototype.push.apply( shapes, paths[ p ].toShapes() ); - - } - - return shapes; - - } - - } ); - - function createPaths( text, size, data ) { - - var chars = Array.from ? Array.from( text ) : String( text ).split( '' ); // see #13988 - var scale = size / data.resolution; - var line_height = ( data.boundingBox.yMax - data.boundingBox.yMin + data.underlineThickness ) * scale; - - var paths = []; - - var offsetX = 0, offsetY = 0; - - for ( var i = 0; i < chars.length; i ++ ) { - - var char = chars[ i ]; - - if ( char === '\n' ) { - - offsetX = 0; - offsetY -= line_height; - - } else { - - var ret = createPath( char, scale, offsetX, offsetY, data ); - offsetX += ret.offsetX; - paths.push( ret.path ); - - } - - } - - return paths; - - } - - function createPath( char, scale, offsetX, offsetY, data ) { - - var glyph = data.glyphs[ char ] || data.glyphs[ '?' ]; - - if ( ! glyph ) { - - console.error( 'THREE.Font: character "' + char + '" does not exists in font family ' + data.familyName + '.' ); - - return; - - } - - var path = new ShapePath(); - - var x, y, cpx, cpy, cpx1, cpy1, cpx2, cpy2; - - if ( glyph.o ) { - - var outline = glyph._cachedOutline || ( glyph._cachedOutline = glyph.o.split( ' ' ) ); - - for ( var i = 0, l = outline.length; i < l; ) { - - var action = outline[ i ++ ]; - - switch ( action ) { - - case 'm': // moveTo - - x = outline[ i ++ ] * scale + offsetX; - y = outline[ i ++ ] * scale + offsetY; - - path.moveTo( x, y ); - - break; - - case 'l': // lineTo - - x = outline[ i ++ ] * scale + offsetX; - y = outline[ i ++ ] * scale + offsetY; - - path.lineTo( x, y ); - - break; - - case 'q': // quadraticCurveTo - - cpx = outline[ i ++ ] * scale + offsetX; - cpy = outline[ i ++ ] * scale + offsetY; - cpx1 = outline[ i ++ ] * scale + offsetX; - cpy1 = outline[ i ++ ] * scale + offsetY; - - path.quadraticCurveTo( cpx1, cpy1, cpx, cpy ); - - break; - - case 'b': // bezierCurveTo - - cpx = outline[ i ++ ] * scale + offsetX; - cpy = outline[ i ++ ] * scale + offsetY; - cpx1 = outline[ i ++ ] * scale + offsetX; - cpy1 = outline[ i ++ ] * scale + offsetY; - cpx2 = outline[ i ++ ] * scale + offsetX; - cpy2 = outline[ i ++ ] * scale + offsetY; - - path.bezierCurveTo( cpx1, cpy1, cpx2, cpy2, cpx, cpy ); - - break; - - } - - } - - } - - return { offsetX: glyph.ha * scale, path: path }; - - } - - /** - * @author mrdoob / http://mrdoob.com/ - */ - - function FontLoader( manager ) { - - Loader.call( this, manager ); - - } - - FontLoader.prototype = Object.assign( Object.create( Loader.prototype ), { - - constructor: FontLoader, - - load: function ( url, onLoad, onProgress, onError ) { - - var scope = this; - - var loader = new FileLoader( this.manager ); - loader.setPath( this.path ); - loader.load( url, function ( text ) { - - var json; - - try { - - json = JSON.parse( text ); - - } catch ( e ) { - - console.warn( 'THREE.FontLoader: typeface.js support is being deprecated. Use typeface.json instead.' ); - json = JSON.parse( text.substring( 65, text.length - 2 ) ); - - } - - var font = scope.parse( json ); - - if ( onLoad ) onLoad( font ); - - }, onProgress, onError ); - - }, - - parse: function ( json ) { - - return new Font( json ); - - } - - } ); - - /** - * @author mrdoob / http://mrdoob.com/ - */ - - var _context; - - var AudioContext = { - - getContext: function () { - - if ( _context === undefined ) { - - _context = new ( window.AudioContext || window.webkitAudioContext )(); - - } - - return _context; - - }, - - setContext: function ( value ) { - - _context = value; - - } - - }; - - /** - * @author Reece Aaron Lecrivain / http://reecenotes.com/ - */ - - function AudioLoader( manager ) { - - Loader.call( this, manager ); - - } - - AudioLoader.prototype = Object.assign( Object.create( Loader.prototype ), { - - constructor: AudioLoader, - - load: function ( url, onLoad, onProgress, onError ) { - - var loader = new FileLoader( this.manager ); - loader.setResponseType( 'arraybuffer' ); - loader.setPath( this.path ); - loader.load( url, function ( buffer ) { - - // Create a copy of the buffer. The `decodeAudioData` method - // detaches the buffer when complete, preventing reuse. - var bufferCopy = buffer.slice( 0 ); - - var context = AudioContext.getContext(); - context.decodeAudioData( bufferCopy, function ( audioBuffer ) { - - onLoad( audioBuffer ); - - } ); - - }, onProgress, onError ); - - } - - } ); - - /** - * @author bhouston / http://clara.io - * @author WestLangley / http://github.com/WestLangley - * - * Primary reference: - * https://graphics.stanford.edu/papers/envmap/envmap.pdf - * - * Secondary reference: - * https://www.ppsloan.org/publications/StupidSH36.pdf - */ - - // 3-band SH defined by 9 coefficients - - function SphericalHarmonics3() { - - this.coefficients = []; - - for ( var i = 0; i < 9; i ++ ) { - - this.coefficients.push( new Vector3() ); - - } - - } - - Object.assign( SphericalHarmonics3.prototype, { - - isSphericalHarmonics3: true, - - set: function ( coefficients ) { - - for ( var i = 0; i < 9; i ++ ) { - - this.coefficients[ i ].copy( coefficients[ i ] ); - - } - - return this; - - }, - - zero: function () { - - for ( var i = 0; i < 9; i ++ ) { - - this.coefficients[ i ].set( 0, 0, 0 ); - - } - - return this; - - }, - - // get the radiance in the direction of the normal - // target is a Vector3 - getAt: function ( normal, target ) { - - // normal is assumed to be unit length - - var x = normal.x, y = normal.y, z = normal.z; - - var coeff = this.coefficients; - - // band 0 - target.copy( coeff[ 0 ] ).multiplyScalar( 0.282095 ); - - // band 1 - target.addScale( coeff[ 1 ], 0.488603 * y ); - target.addScale( coeff[ 2 ], 0.488603 * z ); - target.addScale( coeff[ 3 ], 0.488603 * x ); - - // band 2 - target.addScale( coeff[ 4 ], 1.092548 * ( x * y ) ); - target.addScale( coeff[ 5 ], 1.092548 * ( y * z ) ); - target.addScale( coeff[ 6 ], 0.315392 * ( 3.0 * z * z - 1.0 ) ); - target.addScale( coeff[ 7 ], 1.092548 * ( x * z ) ); - target.addScale( coeff[ 8 ], 0.546274 * ( x * x - y * y ) ); - - return target; - - }, - - // get the irradiance (radiance convolved with cosine lobe) in the direction of the normal - // target is a Vector3 - // https://graphics.stanford.edu/papers/envmap/envmap.pdf - getIrradianceAt: function ( normal, target ) { - - // normal is assumed to be unit length - - var x = normal.x, y = normal.y, z = normal.z; - - var coeff = this.coefficients; - - // band 0 - target.copy( coeff[ 0 ] ).multiplyScalar( 0.886227 ); // π * 0.282095 - - // band 1 - target.addScale( coeff[ 1 ], 2.0 * 0.511664 * y ); // ( 2 * π / 3 ) * 0.488603 - target.addScale( coeff[ 2 ], 2.0 * 0.511664 * z ); - target.addScale( coeff[ 3 ], 2.0 * 0.511664 * x ); - - // band 2 - target.addScale( coeff[ 4 ], 2.0 * 0.429043 * x * y ); // ( π / 4 ) * 1.092548 - target.addScale( coeff[ 5 ], 2.0 * 0.429043 * y * z ); - target.addScale( coeff[ 6 ], 0.743125 * z * z - 0.247708 ); // ( π / 4 ) * 0.315392 * 3 - target.addScale( coeff[ 7 ], 2.0 * 0.429043 * x * z ); - target.addScale( coeff[ 8 ], 0.429043 * ( x * x - y * y ) ); // ( π / 4 ) * 0.546274 - - return target; - - }, - - add: function ( sh ) { - - for ( var i = 0; i < 9; i ++ ) { - - this.coefficients[ i ].add( sh.coefficients[ i ] ); - - } - - return this; - - }, - - - scale: function ( s ) { - - for ( var i = 0; i < 9; i ++ ) { - - this.coefficients[ i ].multiplyScalar( s ); - - } - - return this; - - }, - - lerp: function ( sh, alpha ) { - - for ( var i = 0; i < 9; i ++ ) { - - this.coefficients[ i ].lerp( sh.coefficients[ i ], alpha ); - - } - - return this; - - }, - - equals: function ( sh ) { - - for ( var i = 0; i < 9; i ++ ) { - - if ( ! this.coefficients[ i ].equals( sh.coefficients[ i ] ) ) { - - return false; - - } - - } - - return true; - - }, - - copy: function ( sh ) { - - return this.set( sh.coefficients ); - - }, - - clone: function () { - - return new this.constructor().copy( this ); - - }, - - fromArray: function ( array, offset ) { - - if ( offset === undefined ) offset = 0; - - var coefficients = this.coefficients; - - for ( var i = 0; i < 9; i ++ ) { - - coefficients[ i ].fromArray( array, offset + ( i * 3 ) ); - - } - - return this; - - }, - - toArray: function ( array, offset ) { - - if ( array === undefined ) array = []; - if ( offset === undefined ) offset = 0; - - var coefficients = this.coefficients; - - for ( var i = 0; i < 9; i ++ ) { - - coefficients[ i ].toArray( array, offset + ( i * 3 ) ); - - } - - return array; - - } - - } ); - - Object.assign( SphericalHarmonics3, { - - // evaluate the basis functions - // shBasis is an Array[ 9 ] - getBasisAt: function ( normal, shBasis ) { - - // normal is assumed to be unit length - - var x = normal.x, y = normal.y, z = normal.z; - - // band 0 - shBasis[ 0 ] = 0.282095; - - // band 1 - shBasis[ 1 ] = 0.488603 * y; - shBasis[ 2 ] = 0.488603 * z; - shBasis[ 3 ] = 0.488603 * x; - - // band 2 - shBasis[ 4 ] = 1.092548 * x * y; - shBasis[ 5 ] = 1.092548 * y * z; - shBasis[ 6 ] = 0.315392 * ( 3 * z * z - 1 ); - shBasis[ 7 ] = 1.092548 * x * z; - shBasis[ 8 ] = 0.546274 * ( x * x - y * y ); - - } - - } ); - - /** - * @author WestLangley / http://github.com/WestLangley - * - * A LightProbe is a source of indirect-diffuse light - */ - - function LightProbe( sh, intensity ) { - - Light.call( this, undefined, intensity ); - - this.sh = ( sh !== undefined ) ? sh : new SphericalHarmonics3(); - - } - - LightProbe.prototype = Object.assign( Object.create( Light.prototype ), { - - constructor: LightProbe, - - isLightProbe: true, - - copy: function ( source ) { - - Light.prototype.copy.call( this, source ); - - this.sh.copy( source.sh ); - this.intensity = source.intensity; - - return this; - - }, - - toJSON: function ( meta ) { - - var data = Light.prototype.toJSON.call( this, meta ); - - // data.sh = this.sh.toArray(); // todo - - return data; - - } - - } ); - - /** - * @author WestLangley / http://github.com/WestLangley - */ - - function HemisphereLightProbe( skyColor, groundColor, intensity ) { - - LightProbe.call( this, undefined, intensity ); - - var color1 = new Color().set( skyColor ); - var color2 = new Color().set( groundColor ); - - var sky = new Vector3( color1.r, color1.g, color1.b ); - var ground = new Vector3( color2.r, color2.g, color2.b ); - - // without extra factor of PI in the shader, should = 1 / Math.sqrt( Math.PI ); - var c0 = Math.sqrt( Math.PI ); - var c1 = c0 * Math.sqrt( 0.75 ); - - this.sh.coefficients[ 0 ].copy( sky ).add( ground ).multiplyScalar( c0 ); - this.sh.coefficients[ 1 ].copy( sky ).sub( ground ).multiplyScalar( c1 ); - - } - - HemisphereLightProbe.prototype = Object.assign( Object.create( LightProbe.prototype ), { - - constructor: HemisphereLightProbe, - - isHemisphereLightProbe: true, - - copy: function ( source ) { // modifying colors not currently supported - - LightProbe.prototype.copy.call( this, source ); - - return this; - - }, - - toJSON: function ( meta ) { - - var data = LightProbe.prototype.toJSON.call( this, meta ); - - // data.sh = this.sh.toArray(); // todo - - return data; - - } - - } ); - - /** - * @author WestLangley / http://github.com/WestLangley - */ - - function AmbientLightProbe( color, intensity ) { - - LightProbe.call( this, undefined, intensity ); - - var color1 = new Color().set( color ); - - // without extra factor of PI in the shader, would be 2 / Math.sqrt( Math.PI ); - this.sh.coefficients[ 0 ].set( color1.r, color1.g, color1.b ).multiplyScalar( 2 * Math.sqrt( Math.PI ) ); - - } - - AmbientLightProbe.prototype = Object.assign( Object.create( LightProbe.prototype ), { - - constructor: AmbientLightProbe, - - isAmbientLightProbe: true, - - copy: function ( source ) { // modifying color not currently supported - - LightProbe.prototype.copy.call( this, source ); - - return this; - - }, - - toJSON: function ( meta ) { - - var data = LightProbe.prototype.toJSON.call( this, meta ); - - // data.sh = this.sh.toArray(); // todo - - return data; - - } - - } ); - - var _eyeRight = new Matrix4(); - var _eyeLeft = new Matrix4(); - - /** - * @author mrdoob / http://mrdoob.com/ - */ - - function StereoCamera() { - - this.type = 'StereoCamera'; - - this.aspect = 1; - - this.eyeSep = 0.064; - - this.cameraL = new PerspectiveCamera(); - this.cameraL.layers.enable( 1 ); - this.cameraL.matrixAutoUpdate = false; - - this.cameraR = new PerspectiveCamera(); - this.cameraR.layers.enable( 2 ); - this.cameraR.matrixAutoUpdate = false; - - this._cache = { - focus: null, - fov: null, - aspect: null, - near: null, - far: null, - zoom: null, - eyeSep: null - }; - - } - - Object.assign( StereoCamera.prototype, { - - update: function ( camera ) { - - var cache = this._cache; - - var needsUpdate = cache.focus !== camera.focus || cache.fov !== camera.fov || - cache.aspect !== camera.aspect * this.aspect || cache.near !== camera.near || - cache.far !== camera.far || cache.zoom !== camera.zoom || cache.eyeSep !== this.eyeSep; - - if ( needsUpdate ) { - - cache.focus = camera.focus; - cache.fov = camera.fov; - cache.aspect = camera.aspect * this.aspect; - cache.near = camera.near; - cache.far = camera.far; - cache.zoom = camera.zoom; - cache.eyeSep = this.eyeSep; - - // Off-axis stereoscopic effect based on - // http://paulbourke.net/stereographics/stereorender/ - - var projectionMatrix = camera.projectionMatrix.clone(); - var eyeSepHalf = cache.eyeSep / 2; - var eyeSepOnProjection = eyeSepHalf * cache.near / cache.focus; - var ymax = ( cache.near * Math.tan( _Math.DEG2RAD * cache.fov * 0.5 ) ) / cache.zoom; - var xmin, xmax; - - // translate xOffset - - _eyeLeft.elements[ 12 ] = - eyeSepHalf; - _eyeRight.elements[ 12 ] = eyeSepHalf; - - // for left eye - - xmin = - ymax * cache.aspect + eyeSepOnProjection; - xmax = ymax * cache.aspect + eyeSepOnProjection; - - projectionMatrix.elements[ 0 ] = 2 * cache.near / ( xmax - xmin ); - projectionMatrix.elements[ 8 ] = ( xmax + xmin ) / ( xmax - xmin ); - - this.cameraL.projectionMatrix.copy( projectionMatrix ); - - // for right eye - - xmin = - ymax * cache.aspect - eyeSepOnProjection; - xmax = ymax * cache.aspect - eyeSepOnProjection; - - projectionMatrix.elements[ 0 ] = 2 * cache.near / ( xmax - xmin ); - projectionMatrix.elements[ 8 ] = ( xmax + xmin ) / ( xmax - xmin ); - - this.cameraR.projectionMatrix.copy( projectionMatrix ); - - } - - this.cameraL.matrixWorld.copy( camera.matrixWorld ).multiply( _eyeLeft ); - this.cameraR.matrixWorld.copy( camera.matrixWorld ).multiply( _eyeRight ); - - } - - } ); - - /** - * @author alteredq / http://alteredqualia.com/ - */ - - function Clock( autoStart ) { - - this.autoStart = ( autoStart !== undefined ) ? autoStart : true; - - this.startTime = 0; - this.oldTime = 0; - this.elapsedTime = 0; - - this.running = false; - - } - - Object.assign( Clock.prototype, { - - start: function () { - - this.startTime = ( typeof performance === 'undefined' ? Date : performance ).now(); // see #10732 - - this.oldTime = this.startTime; - this.elapsedTime = 0; - this.running = true; - - }, - - stop: function () { - - this.getElapsedTime(); - this.running = false; - this.autoStart = false; - - }, - - getElapsedTime: function () { - - this.getDelta(); - return this.elapsedTime; - - }, - - getDelta: function () { - - var diff = 0; - - if ( this.autoStart && ! this.running ) { - - this.start(); - return 0; - - } - - if ( this.running ) { - - var newTime = ( typeof performance === 'undefined' ? Date : performance ).now(); - - diff = ( newTime - this.oldTime ) / 1000; - this.oldTime = newTime; - - this.elapsedTime += diff; - - } - - return diff; - - } - - } ); - - /** - * @author mrdoob / http://mrdoob.com/ - */ - - var _position$2 = new Vector3(); - var _quaternion$3 = new Quaternion(); - var _scale$1 = new Vector3(); - var _orientation = new Vector3(); - - function AudioListener() { - - Object3D.call( this ); - - this.type = 'AudioListener'; - - this.context = AudioContext.getContext(); - - this.gain = this.context.createGain(); - this.gain.connect( this.context.destination ); - - this.filter = null; - - this.timeDelta = 0; - - // private - - this._clock = new Clock(); - - } - - AudioListener.prototype = Object.assign( Object.create( Object3D.prototype ), { - - constructor: AudioListener, - - getInput: function () { - - return this.gain; - - }, - - removeFilter: function ( ) { - - if ( this.filter !== null ) { - - this.gain.disconnect( this.filter ); - this.filter.disconnect( this.context.destination ); - this.gain.connect( this.context.destination ); - this.filter = null; - - } - - return this; - - }, - - getFilter: function () { - - return this.filter; - - }, - - setFilter: function ( value ) { - - if ( this.filter !== null ) { - - this.gain.disconnect( this.filter ); - this.filter.disconnect( this.context.destination ); - - } else { - - this.gain.disconnect( this.context.destination ); - - } - - this.filter = value; - this.gain.connect( this.filter ); - this.filter.connect( this.context.destination ); - - return this; - - }, - - getMasterVolume: function () { - - return this.gain.gain.value; - - }, - - setMasterVolume: function ( value ) { - - this.gain.gain.setTargetAtTime( value, this.context.currentTime, 0.01 ); - - return this; - - }, - - updateMatrixWorld: function ( force ) { - - Object3D.prototype.updateMatrixWorld.call( this, force ); - - var listener = this.context.listener; - var up = this.up; - - this.timeDelta = this._clock.getDelta(); - - this.matrixWorld.decompose( _position$2, _quaternion$3, _scale$1 ); - - _orientation.set( 0, 0, - 1 ).applyQuaternion( _quaternion$3 ); - - if ( listener.positionX ) { - - // code path for Chrome (see #14393) - - var endTime = this.context.currentTime + this.timeDelta; - - listener.positionX.linearRampToValueAtTime( _position$2.x, endTime ); - listener.positionY.linearRampToValueAtTime( _position$2.y, endTime ); - listener.positionZ.linearRampToValueAtTime( _position$2.z, endTime ); - listener.forwardX.linearRampToValueAtTime( _orientation.x, endTime ); - listener.forwardY.linearRampToValueAtTime( _orientation.y, endTime ); - listener.forwardZ.linearRampToValueAtTime( _orientation.z, endTime ); - listener.upX.linearRampToValueAtTime( up.x, endTime ); - listener.upY.linearRampToValueAtTime( up.y, endTime ); - listener.upZ.linearRampToValueAtTime( up.z, endTime ); - - } else { - - listener.setPosition( _position$2.x, _position$2.y, _position$2.z ); - listener.setOrientation( _orientation.x, _orientation.y, _orientation.z, up.x, up.y, up.z ); - - } - - } - - } ); - - /** - * @author mrdoob / http://mrdoob.com/ - * @author Reece Aaron Lecrivain / http://reecenotes.com/ - */ - - function Audio( listener ) { - - Object3D.call( this ); - - this.type = 'Audio'; - - this.listener = listener; - this.context = listener.context; - - this.gain = this.context.createGain(); - this.gain.connect( listener.getInput() ); - - this.autoplay = false; - - this.buffer = null; - this.detune = 0; - this.loop = false; - this.startTime = 0; - this.offset = 0; - this.duration = undefined; - this.playbackRate = 1; - this.isPlaying = false; - this.hasPlaybackControl = true; - this.sourceType = 'empty'; - - this.filters = []; - - } - - Audio.prototype = Object.assign( Object.create( Object3D.prototype ), { - - constructor: Audio, - - getOutput: function () { - - return this.gain; - - }, - - setNodeSource: function ( audioNode ) { - - this.hasPlaybackControl = false; - this.sourceType = 'audioNode'; - this.source = audioNode; - this.connect(); - - return this; - - }, - - setMediaElementSource: function ( mediaElement ) { - - this.hasPlaybackControl = false; - this.sourceType = 'mediaNode'; - this.source = this.context.createMediaElementSource( mediaElement ); - this.connect(); - - return this; - - }, - - setBuffer: function ( audioBuffer ) { - - this.buffer = audioBuffer; - this.sourceType = 'buffer'; - - if ( this.autoplay ) this.play(); - - return this; - - }, - - play: function () { - - if ( this.isPlaying === true ) { - - console.warn( 'THREE.Audio: Audio is already playing.' ); - return; - - } - - if ( this.hasPlaybackControl === false ) { - - console.warn( 'THREE.Audio: this Audio has no playback control.' ); - return; - - } - - var source = this.context.createBufferSource(); - - source.buffer = this.buffer; - source.loop = this.loop; - source.onended = this.onEnded.bind( this ); - this.startTime = this.context.currentTime; - source.start( this.startTime, this.offset, this.duration ); - - this.isPlaying = true; - - this.source = source; - - this.setDetune( this.detune ); - this.setPlaybackRate( this.playbackRate ); - - return this.connect(); - - }, - - pause: function () { - - if ( this.hasPlaybackControl === false ) { - - console.warn( 'THREE.Audio: this Audio has no playback control.' ); - return; - - } - - if ( this.isPlaying === true ) { - - this.source.stop(); - this.source.onended = null; - this.offset += ( this.context.currentTime - this.startTime ) * this.playbackRate; - this.isPlaying = false; - - } - - return this; - - }, - - stop: function () { - - if ( this.hasPlaybackControl === false ) { - - console.warn( 'THREE.Audio: this Audio has no playback control.' ); - return; - - } - - this.source.stop(); - this.source.onended = null; - this.offset = 0; - this.isPlaying = false; - - return this; - - }, - - connect: function () { - - if ( this.filters.length > 0 ) { - - this.source.connect( this.filters[ 0 ] ); - - for ( var i = 1, l = this.filters.length; i < l; i ++ ) { - - this.filters[ i - 1 ].connect( this.filters[ i ] ); - - } - - this.filters[ this.filters.length - 1 ].connect( this.getOutput() ); - - } else { - - this.source.connect( this.getOutput() ); - - } - - return this; - - }, - - disconnect: function () { - - if ( this.filters.length > 0 ) { - - this.source.disconnect( this.filters[ 0 ] ); - - for ( var i = 1, l = this.filters.length; i < l; i ++ ) { - - this.filters[ i - 1 ].disconnect( this.filters[ i ] ); - - } - - this.filters[ this.filters.length - 1 ].disconnect( this.getOutput() ); - - } else { - - this.source.disconnect( this.getOutput() ); - - } - - return this; - - }, - - getFilters: function () { - - return this.filters; - - }, - - setFilters: function ( value ) { - - if ( ! value ) value = []; - - if ( this.isPlaying === true ) { - - this.disconnect(); - this.filters = value; - this.connect(); - - } else { - - this.filters = value; - - } - - return this; - - }, - - setDetune: function ( value ) { - - this.detune = value; - - if ( this.source.detune === undefined ) return; // only set detune when available - - if ( this.isPlaying === true ) { - - this.source.detune.setTargetAtTime( this.detune, this.context.currentTime, 0.01 ); - - } - - return this; - - }, - - getDetune: function () { - - return this.detune; - - }, - - getFilter: function () { - - return this.getFilters()[ 0 ]; - - }, - - setFilter: function ( filter ) { - - return this.setFilters( filter ? [ filter ] : [] ); - - }, - - setPlaybackRate: function ( value ) { - - if ( this.hasPlaybackControl === false ) { - - console.warn( 'THREE.Audio: this Audio has no playback control.' ); - return; - - } - - this.playbackRate = value; - - if ( this.isPlaying === true ) { - - this.source.playbackRate.setTargetAtTime( this.playbackRate, this.context.currentTime, 0.01 ); - - } - - return this; - - }, - - getPlaybackRate: function () { - - return this.playbackRate; - - }, - - onEnded: function () { - - this.isPlaying = false; - - }, - - getLoop: function () { - - if ( this.hasPlaybackControl === false ) { - - console.warn( 'THREE.Audio: this Audio has no playback control.' ); - return false; - - } - - return this.loop; - - }, - - setLoop: function ( value ) { - - if ( this.hasPlaybackControl === false ) { - - console.warn( 'THREE.Audio: this Audio has no playback control.' ); - return; - - } - - this.loop = value; - - if ( this.isPlaying === true ) { - - this.source.loop = this.loop; - - } - - return this; - - }, - - getVolume: function () { - - return this.gain.gain.value; - - }, - - setVolume: function ( value ) { - - this.gain.gain.setTargetAtTime( value, this.context.currentTime, 0.01 ); - - return this; - - } - - } ); - - /** - * @author mrdoob / http://mrdoob.com/ - */ - - var _position$3 = new Vector3(); - var _quaternion$4 = new Quaternion(); - var _scale$2 = new Vector3(); - var _orientation$1 = new Vector3(); - - function PositionalAudio( listener ) { - - Audio.call( this, listener ); - - this.panner = this.context.createPanner(); - this.panner.panningModel = 'HRTF'; - this.panner.connect( this.gain ); - - } - - PositionalAudio.prototype = Object.assign( Object.create( Audio.prototype ), { - - constructor: PositionalAudio, - - getOutput: function () { - - return this.panner; - - }, - - getRefDistance: function () { - - return this.panner.refDistance; - - }, - - setRefDistance: function ( value ) { - - this.panner.refDistance = value; - - return this; - - }, - - getRolloffFactor: function () { - - return this.panner.rolloffFactor; - - }, - - setRolloffFactor: function ( value ) { - - this.panner.rolloffFactor = value; - - return this; - - }, - - getDistanceModel: function () { - - return this.panner.distanceModel; - - }, - - setDistanceModel: function ( value ) { - - this.panner.distanceModel = value; - - return this; - - }, - - getMaxDistance: function () { - - return this.panner.maxDistance; - - }, - - setMaxDistance: function ( value ) { - - this.panner.maxDistance = value; - - return this; - - }, - - setDirectionalCone: function ( coneInnerAngle, coneOuterAngle, coneOuterGain ) { - - this.panner.coneInnerAngle = coneInnerAngle; - this.panner.coneOuterAngle = coneOuterAngle; - this.panner.coneOuterGain = coneOuterGain; - - return this; - - }, - - updateMatrixWorld: function ( force ) { - - Object3D.prototype.updateMatrixWorld.call( this, force ); - - if ( this.hasPlaybackControl === true && this.isPlaying === false ) return; - - this.matrixWorld.decompose( _position$3, _quaternion$4, _scale$2 ); - - _orientation$1.set( 0, 0, 1 ).applyQuaternion( _quaternion$4 ); - - var panner = this.panner; - - if ( panner.positionX ) { - - // code path for Chrome and Firefox (see #14393) - - var endTime = this.context.currentTime + this.listener.timeDelta; - - panner.positionX.linearRampToValueAtTime( _position$3.x, endTime ); - panner.positionY.linearRampToValueAtTime( _position$3.y, endTime ); - panner.positionZ.linearRampToValueAtTime( _position$3.z, endTime ); - panner.orientationX.linearRampToValueAtTime( _orientation$1.x, endTime ); - panner.orientationY.linearRampToValueAtTime( _orientation$1.y, endTime ); - panner.orientationZ.linearRampToValueAtTime( _orientation$1.z, endTime ); - - } else { - - panner.setPosition( _position$3.x, _position$3.y, _position$3.z ); - panner.setOrientation( _orientation$1.x, _orientation$1.y, _orientation$1.z ); - - } - - } - - } ); - - /** - * @author mrdoob / http://mrdoob.com/ - */ - - function AudioAnalyser( audio, fftSize ) { - - this.analyser = audio.context.createAnalyser(); - this.analyser.fftSize = fftSize !== undefined ? fftSize : 2048; - - this.data = new Uint8Array( this.analyser.frequencyBinCount ); - - audio.getOutput().connect( this.analyser ); - - } - - Object.assign( AudioAnalyser.prototype, { - - getFrequencyData: function () { - - this.analyser.getByteFrequencyData( this.data ); - - return this.data; - - }, - - getAverageFrequency: function () { - - var value = 0, data = this.getFrequencyData(); - - for ( var i = 0; i < data.length; i ++ ) { - - value += data[ i ]; - - } - - return value / data.length; - - } - - } ); - - /** - * - * Buffered scene graph property that allows weighted accumulation. - * - * - * @author Ben Houston / http://clara.io/ - * @author David Sarno / http://lighthaus.us/ - * @author tschw - */ - - function PropertyMixer( binding, typeName, valueSize ) { - - this.binding = binding; - this.valueSize = valueSize; - - var bufferType = Float64Array, - mixFunction; - - switch ( typeName ) { - - case 'quaternion': - mixFunction = this._slerp; - break; - - case 'string': - case 'bool': - bufferType = Array; - mixFunction = this._select; - break; - - default: - mixFunction = this._lerp; - - } - - this.buffer = new bufferType( valueSize * 4 ); - // layout: [ incoming | accu0 | accu1 | orig ] - // - // interpolators can use .buffer as their .result - // the data then goes to 'incoming' - // - // 'accu0' and 'accu1' are used frame-interleaved for - // the cumulative result and are compared to detect - // changes - // - // 'orig' stores the original state of the property - - this._mixBufferRegion = mixFunction; - - this.cumulativeWeight = 0; - - this.useCount = 0; - this.referenceCount = 0; - - } - - Object.assign( PropertyMixer.prototype, { - - // accumulate data in the 'incoming' region into 'accu' - accumulate: function ( accuIndex, weight ) { - - // note: happily accumulating nothing when weight = 0, the caller knows - // the weight and shouldn't have made the call in the first place - - var buffer = this.buffer, - stride = this.valueSize, - offset = accuIndex * stride + stride, - - currentWeight = this.cumulativeWeight; - - if ( currentWeight === 0 ) { - - // accuN := incoming * weight - - for ( var i = 0; i !== stride; ++ i ) { - - buffer[ offset + i ] = buffer[ i ]; - - } - - currentWeight = weight; - - } else { - - // accuN := accuN + incoming * weight - - currentWeight += weight; - var mix = weight / currentWeight; - this._mixBufferRegion( buffer, offset, 0, mix, stride ); - - } - - this.cumulativeWeight = currentWeight; - - }, - - // apply the state of 'accu' to the binding when accus differ - apply: function ( accuIndex ) { - - var stride = this.valueSize, - buffer = this.buffer, - offset = accuIndex * stride + stride, - - weight = this.cumulativeWeight, - - binding = this.binding; - - this.cumulativeWeight = 0; - - if ( weight < 1 ) { - - // accuN := accuN + original * ( 1 - cumulativeWeight ) - - var originalValueOffset = stride * 3; - - this._mixBufferRegion( - buffer, offset, originalValueOffset, 1 - weight, stride ); - - } - - for ( var i = stride, e = stride + stride; i !== e; ++ i ) { - - if ( buffer[ i ] !== buffer[ i + stride ] ) { - - // value has changed -> update scene graph - - binding.setValue( buffer, offset ); - break; - - } - - } - - }, - - // remember the state of the bound property and copy it to both accus - saveOriginalState: function () { - - var binding = this.binding; - - var buffer = this.buffer, - stride = this.valueSize, - - originalValueOffset = stride * 3; - - binding.getValue( buffer, originalValueOffset ); - - // accu[0..1] := orig -- initially detect changes against the original - for ( var i = stride, e = originalValueOffset; i !== e; ++ i ) { - - buffer[ i ] = buffer[ originalValueOffset + ( i % stride ) ]; - - } - - this.cumulativeWeight = 0; - - }, - - // apply the state previously taken via 'saveOriginalState' to the binding - restoreOriginalState: function () { - - var originalValueOffset = this.valueSize * 3; - this.binding.setValue( this.buffer, originalValueOffset ); - - }, - - - // mix functions - - _select: function ( buffer, dstOffset, srcOffset, t, stride ) { - - if ( t >= 0.5 ) { - - for ( var i = 0; i !== stride; ++ i ) { - - buffer[ dstOffset + i ] = buffer[ srcOffset + i ]; - - } - - } - - }, - - _slerp: function ( buffer, dstOffset, srcOffset, t ) { - - Quaternion.slerpFlat( buffer, dstOffset, buffer, dstOffset, buffer, srcOffset, t ); - - }, - - _lerp: function ( buffer, dstOffset, srcOffset, t, stride ) { - - var s = 1 - t; - - for ( var i = 0; i !== stride; ++ i ) { - - var j = dstOffset + i; - - buffer[ j ] = buffer[ j ] * s + buffer[ srcOffset + i ] * t; - - } - - } - - } ); - - /** - * - * A reference to a real property in the scene graph. - * - * - * @author Ben Houston / http://clara.io/ - * @author David Sarno / http://lighthaus.us/ - * @author tschw - */ - - // Characters [].:/ are reserved for track binding syntax. - var _RESERVED_CHARS_RE = '\\[\\]\\.:\\/'; - var _reservedRe = new RegExp( '[' + _RESERVED_CHARS_RE + ']', 'g' ); - - // Attempts to allow node names from any language. ES5's `\w` regexp matches - // only latin characters, and the unicode \p{L} is not yet supported. So - // instead, we exclude reserved characters and match everything else. - var _wordChar = '[^' + _RESERVED_CHARS_RE + ']'; - var _wordCharOrDot = '[^' + _RESERVED_CHARS_RE.replace( '\\.', '' ) + ']'; - - // Parent directories, delimited by '/' or ':'. Currently unused, but must - // be matched to parse the rest of the track name. - var _directoryRe = /((?:WC+[\/:])*)/.source.replace( 'WC', _wordChar ); - - // Target node. May contain word characters (a-zA-Z0-9_) and '.' or '-'. - var _nodeRe = /(WCOD+)?/.source.replace( 'WCOD', _wordCharOrDot ); - - // Object on target node, and accessor. May not contain reserved - // characters. Accessor may contain any character except closing bracket. - var _objectRe = /(?:\.(WC+)(?:\[(.+)\])?)?/.source.replace( 'WC', _wordChar ); - - // Property and accessor. May not contain reserved characters. Accessor may - // contain any non-bracket characters. - var _propertyRe = /\.(WC+)(?:\[(.+)\])?/.source.replace( 'WC', _wordChar ); - - var _trackRe = new RegExp( '' - + '^' - + _directoryRe - + _nodeRe - + _objectRe - + _propertyRe - + '$' - ); - - var _supportedObjectNames = [ 'material', 'materials', 'bones' ]; - - function Composite( targetGroup, path, optionalParsedPath ) { - - var parsedPath = optionalParsedPath || PropertyBinding.parseTrackName( path ); - - this._targetGroup = targetGroup; - this._bindings = targetGroup.subscribe_( path, parsedPath ); - - } - - Object.assign( Composite.prototype, { - - getValue: function ( array, offset ) { - - this.bind(); // bind all binding - - var firstValidIndex = this._targetGroup.nCachedObjects_, - binding = this._bindings[ firstValidIndex ]; - - // and only call .getValue on the first - if ( binding !== undefined ) binding.getValue( array, offset ); - - }, - - setValue: function ( array, offset ) { - - var bindings = this._bindings; - - for ( var i = this._targetGroup.nCachedObjects_, n = bindings.length; i !== n; ++ i ) { - - bindings[ i ].setValue( array, offset ); - - } - - }, - - bind: function () { - - var bindings = this._bindings; - - for ( var i = this._targetGroup.nCachedObjects_, n = bindings.length; i !== n; ++ i ) { - - bindings[ i ].bind(); - - } - - }, - - unbind: function () { - - var bindings = this._bindings; - - for ( var i = this._targetGroup.nCachedObjects_, n = bindings.length; i !== n; ++ i ) { - - bindings[ i ].unbind(); - - } - - } - - } ); - - - function PropertyBinding( rootNode, path, parsedPath ) { - - this.path = path; - this.parsedPath = parsedPath || PropertyBinding.parseTrackName( path ); - - this.node = PropertyBinding.findNode( rootNode, this.parsedPath.nodeName ) || rootNode; - - this.rootNode = rootNode; - - } - - Object.assign( PropertyBinding, { - - Composite: Composite, - - create: function ( root, path, parsedPath ) { - - if ( ! ( root && root.isAnimationObjectGroup ) ) { - - return new PropertyBinding( root, path, parsedPath ); - - } else { - - return new PropertyBinding.Composite( root, path, parsedPath ); - - } - - }, - - /** - * Replaces spaces with underscores and removes unsupported characters from - * node names, to ensure compatibility with parseTrackName(). - * - * @param {string} name Node name to be sanitized. - * @return {string} - */ - sanitizeNodeName: function ( name ) { - - return name.replace( /\s/g, '_' ).replace( _reservedRe, '' ); - - }, - - parseTrackName: function ( trackName ) { - - var matches = _trackRe.exec( trackName ); - - if ( ! matches ) { - - throw new Error( 'PropertyBinding: Cannot parse trackName: ' + trackName ); - - } - - var results = { - // directoryName: matches[ 1 ], // (tschw) currently unused - nodeName: matches[ 2 ], - objectName: matches[ 3 ], - objectIndex: matches[ 4 ], - propertyName: matches[ 5 ], // required - propertyIndex: matches[ 6 ] - }; - - var lastDot = results.nodeName && results.nodeName.lastIndexOf( '.' ); - - if ( lastDot !== undefined && lastDot !== - 1 ) { - - var objectName = results.nodeName.substring( lastDot + 1 ); - - // Object names must be checked against a whitelist. Otherwise, there - // is no way to parse 'foo.bar.baz': 'baz' must be a property, but - // 'bar' could be the objectName, or part of a nodeName (which can - // include '.' characters). - if ( _supportedObjectNames.indexOf( objectName ) !== - 1 ) { - - results.nodeName = results.nodeName.substring( 0, lastDot ); - results.objectName = objectName; - - } - - } - - if ( results.propertyName === null || results.propertyName.length === 0 ) { - - throw new Error( 'PropertyBinding: can not parse propertyName from trackName: ' + trackName ); - - } - - return results; - - }, - - findNode: function ( root, nodeName ) { - - if ( ! nodeName || nodeName === "" || nodeName === "root" || nodeName === "." || nodeName === - 1 || nodeName === root.name || nodeName === root.uuid ) { - - return root; - - } - - // search into skeleton bones. - if ( root.skeleton ) { - - var bone = root.skeleton.getBoneByName( nodeName ); - - if ( bone !== undefined ) { - - return bone; - - } - - } - - // search into node subtree. - if ( root.children ) { - - var searchNodeSubtree = function ( children ) { - - for ( var i = 0; i < children.length; i ++ ) { - - var childNode = children[ i ]; - - if ( childNode.name === nodeName || childNode.uuid === nodeName ) { - - return childNode; - - } - - var result = searchNodeSubtree( childNode.children ); - - if ( result ) return result; - - } - - return null; - - }; - - var subTreeNode = searchNodeSubtree( root.children ); - - if ( subTreeNode ) { - - return subTreeNode; - - } - - } - - return null; - - } - - } ); - - Object.assign( PropertyBinding.prototype, { // prototype, continued - - // these are used to "bind" a nonexistent property - _getValue_unavailable: function () {}, - _setValue_unavailable: function () {}, - - BindingType: { - Direct: 0, - EntireArray: 1, - ArrayElement: 2, - HasFromToArray: 3 - }, - - Versioning: { - None: 0, - NeedsUpdate: 1, - MatrixWorldNeedsUpdate: 2 - }, - - GetterByBindingType: [ - - function getValue_direct( buffer, offset ) { - - buffer[ offset ] = this.node[ this.propertyName ]; - - }, - - function getValue_array( buffer, offset ) { - - var source = this.resolvedProperty; - - for ( var i = 0, n = source.length; i !== n; ++ i ) { - - buffer[ offset ++ ] = source[ i ]; - - } - - }, - - function getValue_arrayElement( buffer, offset ) { - - buffer[ offset ] = this.resolvedProperty[ this.propertyIndex ]; - - }, - - function getValue_toArray( buffer, offset ) { - - this.resolvedProperty.toArray( buffer, offset ); - - } - - ], - - SetterByBindingTypeAndVersioning: [ - - [ - // Direct - - function setValue_direct( buffer, offset ) { - - this.targetObject[ this.propertyName ] = buffer[ offset ]; - - }, - - function setValue_direct_setNeedsUpdate( buffer, offset ) { - - this.targetObject[ this.propertyName ] = buffer[ offset ]; - this.targetObject.needsUpdate = true; - - }, - - function setValue_direct_setMatrixWorldNeedsUpdate( buffer, offset ) { - - this.targetObject[ this.propertyName ] = buffer[ offset ]; - this.targetObject.matrixWorldNeedsUpdate = true; - - } - - ], [ - - // EntireArray - - function setValue_array( buffer, offset ) { - - var dest = this.resolvedProperty; - - for ( var i = 0, n = dest.length; i !== n; ++ i ) { - - dest[ i ] = buffer[ offset ++ ]; - - } - - }, - - function setValue_array_setNeedsUpdate( buffer, offset ) { - - var dest = this.resolvedProperty; - - for ( var i = 0, n = dest.length; i !== n; ++ i ) { - - dest[ i ] = buffer[ offset ++ ]; - - } - - this.targetObject.needsUpdate = true; - - }, - - function setValue_array_setMatrixWorldNeedsUpdate( buffer, offset ) { - - var dest = this.resolvedProperty; - - for ( var i = 0, n = dest.length; i !== n; ++ i ) { - - dest[ i ] = buffer[ offset ++ ]; - - } - - this.targetObject.matrixWorldNeedsUpdate = true; - - } - - ], [ - - // ArrayElement - - function setValue_arrayElement( buffer, offset ) { - - this.resolvedProperty[ this.propertyIndex ] = buffer[ offset ]; - - }, - - function setValue_arrayElement_setNeedsUpdate( buffer, offset ) { - - this.resolvedProperty[ this.propertyIndex ] = buffer[ offset ]; - this.targetObject.needsUpdate = true; - - }, - - function setValue_arrayElement_setMatrixWorldNeedsUpdate( buffer, offset ) { - - this.resolvedProperty[ this.propertyIndex ] = buffer[ offset ]; - this.targetObject.matrixWorldNeedsUpdate = true; - - } - - ], [ - - // HasToFromArray - - function setValue_fromArray( buffer, offset ) { - - this.resolvedProperty.fromArray( buffer, offset ); - - }, - - function setValue_fromArray_setNeedsUpdate( buffer, offset ) { - - this.resolvedProperty.fromArray( buffer, offset ); - this.targetObject.needsUpdate = true; - - }, - - function setValue_fromArray_setMatrixWorldNeedsUpdate( buffer, offset ) { - - this.resolvedProperty.fromArray( buffer, offset ); - this.targetObject.matrixWorldNeedsUpdate = true; - - } - - ] - - ], - - getValue: function getValue_unbound( targetArray, offset ) { - - this.bind(); - this.getValue( targetArray, offset ); - - // Note: This class uses a State pattern on a per-method basis: - // 'bind' sets 'this.getValue' / 'setValue' and shadows the - // prototype version of these methods with one that represents - // the bound state. When the property is not found, the methods - // become no-ops. - - }, - - setValue: function getValue_unbound( sourceArray, offset ) { - - this.bind(); - this.setValue( sourceArray, offset ); - - }, - - // create getter / setter pair for a property in the scene graph - bind: function () { - - var targetObject = this.node, - parsedPath = this.parsedPath, - - objectName = parsedPath.objectName, - propertyName = parsedPath.propertyName, - propertyIndex = parsedPath.propertyIndex; - - if ( ! targetObject ) { - - targetObject = PropertyBinding.findNode( this.rootNode, parsedPath.nodeName ) || this.rootNode; - - this.node = targetObject; - - } - - // set fail state so we can just 'return' on error - this.getValue = this._getValue_unavailable; - this.setValue = this._setValue_unavailable; - - // ensure there is a value node - if ( ! targetObject ) { - - console.error( 'THREE.PropertyBinding: Trying to update node for track: ' + this.path + ' but it wasn\'t found.' ); - return; - - } - - if ( objectName ) { - - var objectIndex = parsedPath.objectIndex; - - // special cases were we need to reach deeper into the hierarchy to get the face materials.... - switch ( objectName ) { - - case 'materials': - - if ( ! targetObject.material ) { - - console.error( 'THREE.PropertyBinding: Can not bind to material as node does not have a material.', this ); - return; - - } - - if ( ! targetObject.material.materials ) { - - console.error( 'THREE.PropertyBinding: Can not bind to material.materials as node.material does not have a materials array.', this ); - return; - - } - - targetObject = targetObject.material.materials; - - break; - - case 'bones': - - if ( ! targetObject.skeleton ) { - - console.error( 'THREE.PropertyBinding: Can not bind to bones as node does not have a skeleton.', this ); - return; - - } - - // potential future optimization: skip this if propertyIndex is already an integer - // and convert the integer string to a true integer. - - targetObject = targetObject.skeleton.bones; - - // support resolving morphTarget names into indices. - for ( var i = 0; i < targetObject.length; i ++ ) { - - if ( targetObject[ i ].name === objectIndex ) { - - objectIndex = i; - break; - - } - - } - - break; - - default: - - if ( targetObject[ objectName ] === undefined ) { - - console.error( 'THREE.PropertyBinding: Can not bind to objectName of node undefined.', this ); - return; - - } - - targetObject = targetObject[ objectName ]; - - } - - - if ( objectIndex !== undefined ) { - - if ( targetObject[ objectIndex ] === undefined ) { - - console.error( 'THREE.PropertyBinding: Trying to bind to objectIndex of objectName, but is undefined.', this, targetObject ); - return; - - } - - targetObject = targetObject[ objectIndex ]; - - } - - } - - // resolve property - var nodeProperty = targetObject[ propertyName ]; - - if ( nodeProperty === undefined ) { - - var nodeName = parsedPath.nodeName; - - console.error( 'THREE.PropertyBinding: Trying to update property for track: ' + nodeName + - '.' + propertyName + ' but it wasn\'t found.', targetObject ); - return; - - } - - // determine versioning scheme - var versioning = this.Versioning.None; - - this.targetObject = targetObject; - - if ( targetObject.needsUpdate !== undefined ) { // material - - versioning = this.Versioning.NeedsUpdate; - - } else if ( targetObject.matrixWorldNeedsUpdate !== undefined ) { // node transform - - versioning = this.Versioning.MatrixWorldNeedsUpdate; - - } - - // determine how the property gets bound - var bindingType = this.BindingType.Direct; - - if ( propertyIndex !== undefined ) { - - // access a sub element of the property array (only primitives are supported right now) - - if ( propertyName === "morphTargetInfluences" ) { - - // potential optimization, skip this if propertyIndex is already an integer, and convert the integer string to a true integer. - - // support resolving morphTarget names into indices. - if ( ! targetObject.geometry ) { - - console.error( 'THREE.PropertyBinding: Can not bind to morphTargetInfluences because node does not have a geometry.', this ); - return; - - } - - if ( targetObject.geometry.isBufferGeometry ) { - - if ( ! targetObject.geometry.morphAttributes ) { - - console.error( 'THREE.PropertyBinding: Can not bind to morphTargetInfluences because node does not have a geometry.morphAttributes.', this ); - return; - - } - - for ( var i = 0; i < this.node.geometry.morphAttributes.position.length; i ++ ) { - - if ( targetObject.geometry.morphAttributes.position[ i ].name === propertyIndex ) { - - propertyIndex = i; - break; - - } - - } - - - } else { - - if ( ! targetObject.geometry.morphTargets ) { - - console.error( 'THREE.PropertyBinding: Can not bind to morphTargetInfluences because node does not have a geometry.morphTargets.', this ); - return; - - } - - for ( var i = 0; i < this.node.geometry.morphTargets.length; i ++ ) { - - if ( targetObject.geometry.morphTargets[ i ].name === propertyIndex ) { - - propertyIndex = i; - break; - - } - - } - - } - - } - - bindingType = this.BindingType.ArrayElement; - - this.resolvedProperty = nodeProperty; - this.propertyIndex = propertyIndex; - - } else if ( nodeProperty.fromArray !== undefined && nodeProperty.toArray !== undefined ) { - - // must use copy for Object3D.Euler/Quaternion - - bindingType = this.BindingType.HasFromToArray; - - this.resolvedProperty = nodeProperty; - - } else if ( Array.isArray( nodeProperty ) ) { - - bindingType = this.BindingType.EntireArray; - - this.resolvedProperty = nodeProperty; - - } else { - - this.propertyName = propertyName; - - } - - // select getter / setter - this.getValue = this.GetterByBindingType[ bindingType ]; - this.setValue = this.SetterByBindingTypeAndVersioning[ bindingType ][ versioning ]; - - }, - - unbind: function () { - - this.node = null; - - // back to the prototype version of getValue / setValue - // note: avoiding to mutate the shape of 'this' via 'delete' - this.getValue = this._getValue_unbound; - this.setValue = this._setValue_unbound; - - } - - } ); - - //!\ DECLARE ALIAS AFTER assign prototype ! - Object.assign( PropertyBinding.prototype, { - - // initial state of these methods that calls 'bind' - _getValue_unbound: PropertyBinding.prototype.getValue, - _setValue_unbound: PropertyBinding.prototype.setValue, - - } ); - - /** - * - * A group of objects that receives a shared animation state. - * - * Usage: - * - * - Add objects you would otherwise pass as 'root' to the - * constructor or the .clipAction method of AnimationMixer. - * - * - Instead pass this object as 'root'. - * - * - You can also add and remove objects later when the mixer - * is running. - * - * Note: - * - * Objects of this class appear as one object to the mixer, - * so cache control of the individual objects must be done - * on the group. - * - * Limitation: - * - * - The animated properties must be compatible among the - * all objects in the group. - * - * - A single property can either be controlled through a - * target group or directly, but not both. - * - * @author tschw - */ - - function AnimationObjectGroup() { - - this.uuid = _Math.generateUUID(); - - // cached objects followed by the active ones - this._objects = Array.prototype.slice.call( arguments ); - - this.nCachedObjects_ = 0; // threshold - // note: read by PropertyBinding.Composite - - var indices = {}; - this._indicesByUUID = indices; // for bookkeeping - - for ( var i = 0, n = arguments.length; i !== n; ++ i ) { - - indices[ arguments[ i ].uuid ] = i; - - } - - this._paths = []; // inside: string - this._parsedPaths = []; // inside: { we don't care, here } - this._bindings = []; // inside: Array< PropertyBinding > - this._bindingsIndicesByPath = {}; // inside: indices in these arrays - - var scope = this; - - this.stats = { - - objects: { - get total() { - - return scope._objects.length; - - }, - get inUse() { - - return this.total - scope.nCachedObjects_; - - } - }, - get bindingsPerObject() { - - return scope._bindings.length; - - } - - }; - - } - - Object.assign( AnimationObjectGroup.prototype, { - - isAnimationObjectGroup: true, - - add: function () { - - var objects = this._objects, - nObjects = objects.length, - nCachedObjects = this.nCachedObjects_, - indicesByUUID = this._indicesByUUID, - paths = this._paths, - parsedPaths = this._parsedPaths, - bindings = this._bindings, - nBindings = bindings.length, - knownObject = undefined; - - for ( var i = 0, n = arguments.length; i !== n; ++ i ) { - - var object = arguments[ i ], - uuid = object.uuid, - index = indicesByUUID[ uuid ]; - - if ( index === undefined ) { - - // unknown object -> add it to the ACTIVE region - - index = nObjects ++; - indicesByUUID[ uuid ] = index; - objects.push( object ); - - // accounting is done, now do the same for all bindings - - for ( var j = 0, m = nBindings; j !== m; ++ j ) { - - bindings[ j ].push( new PropertyBinding( object, paths[ j ], parsedPaths[ j ] ) ); - - } - - } else if ( index < nCachedObjects ) { - - knownObject = objects[ index ]; - - // move existing object to the ACTIVE region - - var firstActiveIndex = -- nCachedObjects, - lastCachedObject = objects[ firstActiveIndex ]; - - indicesByUUID[ lastCachedObject.uuid ] = index; - objects[ index ] = lastCachedObject; - - indicesByUUID[ uuid ] = firstActiveIndex; - objects[ firstActiveIndex ] = object; - - // accounting is done, now do the same for all bindings - - for ( var j = 0, m = nBindings; j !== m; ++ j ) { - - var bindingsForPath = bindings[ j ], - lastCached = bindingsForPath[ firstActiveIndex ], - binding = bindingsForPath[ index ]; - - bindingsForPath[ index ] = lastCached; - - if ( binding === undefined ) { - - // since we do not bother to create new bindings - // for objects that are cached, the binding may - // or may not exist - - binding = new PropertyBinding( object, paths[ j ], parsedPaths[ j ] ); - - } - - bindingsForPath[ firstActiveIndex ] = binding; - - } - - } else if ( objects[ index ] !== knownObject ) { - - console.error( 'THREE.AnimationObjectGroup: Different objects with the same UUID ' + - 'detected. Clean the caches or recreate your infrastructure when reloading scenes.' ); - - } // else the object is already where we want it to be - - } // for arguments - - this.nCachedObjects_ = nCachedObjects; - - }, - - remove: function () { - - var objects = this._objects, - nCachedObjects = this.nCachedObjects_, - indicesByUUID = this._indicesByUUID, - bindings = this._bindings, - nBindings = bindings.length; - - for ( var i = 0, n = arguments.length; i !== n; ++ i ) { - - var object = arguments[ i ], - uuid = object.uuid, - index = indicesByUUID[ uuid ]; - - if ( index !== undefined && index >= nCachedObjects ) { - - // move existing object into the CACHED region - - var lastCachedIndex = nCachedObjects ++, - firstActiveObject = objects[ lastCachedIndex ]; - - indicesByUUID[ firstActiveObject.uuid ] = index; - objects[ index ] = firstActiveObject; - - indicesByUUID[ uuid ] = lastCachedIndex; - objects[ lastCachedIndex ] = object; - - // accounting is done, now do the same for all bindings - - for ( var j = 0, m = nBindings; j !== m; ++ j ) { - - var bindingsForPath = bindings[ j ], - firstActive = bindingsForPath[ lastCachedIndex ], - binding = bindingsForPath[ index ]; - - bindingsForPath[ index ] = firstActive; - bindingsForPath[ lastCachedIndex ] = binding; - - } - - } - - } // for arguments - - this.nCachedObjects_ = nCachedObjects; - - }, - - // remove & forget - uncache: function () { - - var objects = this._objects, - nObjects = objects.length, - nCachedObjects = this.nCachedObjects_, - indicesByUUID = this._indicesByUUID, - bindings = this._bindings, - nBindings = bindings.length; - - for ( var i = 0, n = arguments.length; i !== n; ++ i ) { - - var object = arguments[ i ], - uuid = object.uuid, - index = indicesByUUID[ uuid ]; - - if ( index !== undefined ) { - - delete indicesByUUID[ uuid ]; - - if ( index < nCachedObjects ) { - - // object is cached, shrink the CACHED region - - var firstActiveIndex = -- nCachedObjects, - lastCachedObject = objects[ firstActiveIndex ], - lastIndex = -- nObjects, - lastObject = objects[ lastIndex ]; - - // last cached object takes this object's place - indicesByUUID[ lastCachedObject.uuid ] = index; - objects[ index ] = lastCachedObject; - - // last object goes to the activated slot and pop - indicesByUUID[ lastObject.uuid ] = firstActiveIndex; - objects[ firstActiveIndex ] = lastObject; - objects.pop(); - - // accounting is done, now do the same for all bindings - - for ( var j = 0, m = nBindings; j !== m; ++ j ) { - - var bindingsForPath = bindings[ j ], - lastCached = bindingsForPath[ firstActiveIndex ], - last = bindingsForPath[ lastIndex ]; - - bindingsForPath[ index ] = lastCached; - bindingsForPath[ firstActiveIndex ] = last; - bindingsForPath.pop(); - - } - - } else { - - // object is active, just swap with the last and pop - - var lastIndex = -- nObjects, - lastObject = objects[ lastIndex ]; - - indicesByUUID[ lastObject.uuid ] = index; - objects[ index ] = lastObject; - objects.pop(); - - // accounting is done, now do the same for all bindings - - for ( var j = 0, m = nBindings; j !== m; ++ j ) { - - var bindingsForPath = bindings[ j ]; - - bindingsForPath[ index ] = bindingsForPath[ lastIndex ]; - bindingsForPath.pop(); - - } - - } // cached or active - - } // if object is known - - } // for arguments - - this.nCachedObjects_ = nCachedObjects; - - }, - - // Internal interface used by befriended PropertyBinding.Composite: - - subscribe_: function ( path, parsedPath ) { - - // returns an array of bindings for the given path that is changed - // according to the contained objects in the group - - var indicesByPath = this._bindingsIndicesByPath, - index = indicesByPath[ path ], - bindings = this._bindings; - - if ( index !== undefined ) return bindings[ index ]; - - var paths = this._paths, - parsedPaths = this._parsedPaths, - objects = this._objects, - nObjects = objects.length, - nCachedObjects = this.nCachedObjects_, - bindingsForPath = new Array( nObjects ); - - index = bindings.length; - - indicesByPath[ path ] = index; - - paths.push( path ); - parsedPaths.push( parsedPath ); - bindings.push( bindingsForPath ); - - for ( var i = nCachedObjects, n = objects.length; i !== n; ++ i ) { - - var object = objects[ i ]; - bindingsForPath[ i ] = new PropertyBinding( object, path, parsedPath ); - - } - - return bindingsForPath; - - }, - - unsubscribe_: function ( path ) { - - // tells the group to forget about a property path and no longer - // update the array previously obtained with 'subscribe_' - - var indicesByPath = this._bindingsIndicesByPath, - index = indicesByPath[ path ]; - - if ( index !== undefined ) { - - var paths = this._paths, - parsedPaths = this._parsedPaths, - bindings = this._bindings, - lastBindingsIndex = bindings.length - 1, - lastBindings = bindings[ lastBindingsIndex ], - lastBindingsPath = path[ lastBindingsIndex ]; - - indicesByPath[ lastBindingsPath ] = index; - - bindings[ index ] = lastBindings; - bindings.pop(); - - parsedPaths[ index ] = parsedPaths[ lastBindingsIndex ]; - parsedPaths.pop(); - - paths[ index ] = paths[ lastBindingsIndex ]; - paths.pop(); - - } - - } - - } ); - - /** - * - * Action provided by AnimationMixer for scheduling clip playback on specific - * objects. - * - * @author Ben Houston / http://clara.io/ - * @author David Sarno / http://lighthaus.us/ - * @author tschw - * - */ - - function AnimationAction( mixer, clip, localRoot ) { - - this._mixer = mixer; - this._clip = clip; - this._localRoot = localRoot || null; - - var tracks = clip.tracks, - nTracks = tracks.length, - interpolants = new Array( nTracks ); - - var interpolantSettings = { - endingStart: ZeroCurvatureEnding, - endingEnd: ZeroCurvatureEnding - }; - - for ( var i = 0; i !== nTracks; ++ i ) { - - var interpolant = tracks[ i ].createInterpolant( null ); - interpolants[ i ] = interpolant; - interpolant.settings = interpolantSettings; - - } - - this._interpolantSettings = interpolantSettings; - - this._interpolants = interpolants; // bound by the mixer - - // inside: PropertyMixer (managed by the mixer) - this._propertyBindings = new Array( nTracks ); - - this._cacheIndex = null; // for the memory manager - this._byClipCacheIndex = null; // for the memory manager - - this._timeScaleInterpolant = null; - this._weightInterpolant = null; - - this.loop = LoopRepeat; - this._loopCount = - 1; - - // global mixer time when the action is to be started - // it's set back to 'null' upon start of the action - this._startTime = null; - - // scaled local time of the action - // gets clamped or wrapped to 0..clip.duration according to loop - this.time = 0; - - this.timeScale = 1; - this._effectiveTimeScale = 1; - - this.weight = 1; - this._effectiveWeight = 1; - - this.repetitions = Infinity; // no. of repetitions when looping - - this.paused = false; // true -> zero effective time scale - this.enabled = true; // false -> zero effective weight - - this.clampWhenFinished = false;// keep feeding the last frame? - - this.zeroSlopeAtStart = true;// for smooth interpolation w/o separate - this.zeroSlopeAtEnd = true;// clips for start, loop and end - - } - - Object.assign( AnimationAction.prototype, { - - // State & Scheduling - - play: function () { - - this._mixer._activateAction( this ); - - return this; - - }, - - stop: function () { - - this._mixer._deactivateAction( this ); - - return this.reset(); - - }, - - reset: function () { - - this.paused = false; - this.enabled = true; - - this.time = 0; // restart clip - this._loopCount = - 1;// forget previous loops - this._startTime = null;// forget scheduling - - return this.stopFading().stopWarping(); - - }, - - isRunning: function () { - - return this.enabled && ! this.paused && this.timeScale !== 0 && - this._startTime === null && this._mixer._isActiveAction( this ); - - }, - - // return true when play has been called - isScheduled: function () { - - return this._mixer._isActiveAction( this ); - - }, - - startAt: function ( time ) { - - this._startTime = time; - - return this; - - }, - - setLoop: function ( mode, repetitions ) { - - this.loop = mode; - this.repetitions = repetitions; - - return this; - - }, - - // Weight - - // set the weight stopping any scheduled fading - // although .enabled = false yields an effective weight of zero, this - // method does *not* change .enabled, because it would be confusing - setEffectiveWeight: function ( weight ) { - - this.weight = weight; - - // note: same logic as when updated at runtime - this._effectiveWeight = this.enabled ? weight : 0; - - return this.stopFading(); - - }, - - // return the weight considering fading and .enabled - getEffectiveWeight: function () { - - return this._effectiveWeight; - - }, - - fadeIn: function ( duration ) { - - return this._scheduleFading( duration, 0, 1 ); - - }, - - fadeOut: function ( duration ) { - - return this._scheduleFading( duration, 1, 0 ); - - }, - - crossFadeFrom: function ( fadeOutAction, duration, warp ) { - - fadeOutAction.fadeOut( duration ); - this.fadeIn( duration ); - - if ( warp ) { - - var fadeInDuration = this._clip.duration, - fadeOutDuration = fadeOutAction._clip.duration, - - startEndRatio = fadeOutDuration / fadeInDuration, - endStartRatio = fadeInDuration / fadeOutDuration; - - fadeOutAction.warp( 1.0, startEndRatio, duration ); - this.warp( endStartRatio, 1.0, duration ); - - } - - return this; - - }, - - crossFadeTo: function ( fadeInAction, duration, warp ) { - - return fadeInAction.crossFadeFrom( this, duration, warp ); - - }, - - stopFading: function () { - - var weightInterpolant = this._weightInterpolant; - - if ( weightInterpolant !== null ) { - - this._weightInterpolant = null; - this._mixer._takeBackControlInterpolant( weightInterpolant ); - - } - - return this; - - }, - - // Time Scale Control - - // set the time scale stopping any scheduled warping - // although .paused = true yields an effective time scale of zero, this - // method does *not* change .paused, because it would be confusing - setEffectiveTimeScale: function ( timeScale ) { - - this.timeScale = timeScale; - this._effectiveTimeScale = this.paused ? 0 : timeScale; - - return this.stopWarping(); - - }, - - // return the time scale considering warping and .paused - getEffectiveTimeScale: function () { - - return this._effectiveTimeScale; - - }, - - setDuration: function ( duration ) { - - this.timeScale = this._clip.duration / duration; - - return this.stopWarping(); - - }, - - syncWith: function ( action ) { - - this.time = action.time; - this.timeScale = action.timeScale; - - return this.stopWarping(); - - }, - - halt: function ( duration ) { - - return this.warp( this._effectiveTimeScale, 0, duration ); - - }, - - warp: function ( startTimeScale, endTimeScale, duration ) { - - var mixer = this._mixer, now = mixer.time, - interpolant = this._timeScaleInterpolant, - - timeScale = this.timeScale; - - if ( interpolant === null ) { - - interpolant = mixer._lendControlInterpolant(); - this._timeScaleInterpolant = interpolant; - - } - - var times = interpolant.parameterPositions, - values = interpolant.sampleValues; - - times[ 0 ] = now; - times[ 1 ] = now + duration; - - values[ 0 ] = startTimeScale / timeScale; - values[ 1 ] = endTimeScale / timeScale; - - return this; - - }, - - stopWarping: function () { - - var timeScaleInterpolant = this._timeScaleInterpolant; - - if ( timeScaleInterpolant !== null ) { - - this._timeScaleInterpolant = null; - this._mixer._takeBackControlInterpolant( timeScaleInterpolant ); - - } - - return this; - - }, - - // Object Accessors - - getMixer: function () { - - return this._mixer; - - }, - - getClip: function () { - - return this._clip; - - }, - - getRoot: function () { - - return this._localRoot || this._mixer._root; - - }, - - // Interna - - _update: function ( time, deltaTime, timeDirection, accuIndex ) { - - // called by the mixer - - if ( ! this.enabled ) { - - // call ._updateWeight() to update ._effectiveWeight - - this._updateWeight( time ); - return; - - } - - var startTime = this._startTime; - - if ( startTime !== null ) { - - // check for scheduled start of action - - var timeRunning = ( time - startTime ) * timeDirection; - if ( timeRunning < 0 || timeDirection === 0 ) { - - return; // yet to come / don't decide when delta = 0 - - } - - // start - - this._startTime = null; // unschedule - deltaTime = timeDirection * timeRunning; - - } - - // apply time scale and advance time - - deltaTime *= this._updateTimeScale( time ); - var clipTime = this._updateTime( deltaTime ); - - // note: _updateTime may disable the action resulting in - // an effective weight of 0 - - var weight = this._updateWeight( time ); - - if ( weight > 0 ) { - - var interpolants = this._interpolants; - var propertyMixers = this._propertyBindings; - - for ( var j = 0, m = interpolants.length; j !== m; ++ j ) { - - interpolants[ j ].evaluate( clipTime ); - propertyMixers[ j ].accumulate( accuIndex, weight ); - - } - - } - - }, - - _updateWeight: function ( time ) { - - var weight = 0; - - if ( this.enabled ) { - - weight = this.weight; - var interpolant = this._weightInterpolant; - - if ( interpolant !== null ) { - - var interpolantValue = interpolant.evaluate( time )[ 0 ]; - - weight *= interpolantValue; - - if ( time > interpolant.parameterPositions[ 1 ] ) { - - this.stopFading(); - - if ( interpolantValue === 0 ) { - - // faded out, disable - this.enabled = false; - - } - - } - - } - - } - - this._effectiveWeight = weight; - return weight; - - }, - - _updateTimeScale: function ( time ) { - - var timeScale = 0; - - if ( ! this.paused ) { - - timeScale = this.timeScale; - - var interpolant = this._timeScaleInterpolant; - - if ( interpolant !== null ) { - - var interpolantValue = interpolant.evaluate( time )[ 0 ]; - - timeScale *= interpolantValue; - - if ( time > interpolant.parameterPositions[ 1 ] ) { - - this.stopWarping(); - - if ( timeScale === 0 ) { - - // motion has halted, pause - this.paused = true; - - } else { - - // warp done - apply final time scale - this.timeScale = timeScale; - - } - - } - - } - - } - - this._effectiveTimeScale = timeScale; - return timeScale; - - }, - - _updateTime: function ( deltaTime ) { - - var time = this.time + deltaTime; - var duration = this._clip.duration; - var loop = this.loop; - var loopCount = this._loopCount; - - var pingPong = ( loop === LoopPingPong ); - - if ( deltaTime === 0 ) { - - if ( loopCount === - 1 ) return time; - - return ( pingPong && ( loopCount & 1 ) === 1 ) ? duration - time : time; - - } - - if ( loop === LoopOnce ) { - - if ( loopCount === - 1 ) { - - // just started - - this._loopCount = 0; - this._setEndings( true, true, false ); - - } - - handle_stop: { - - if ( time >= duration ) { - - time = duration; - - } else if ( time < 0 ) { - - time = 0; - - } else { - - this.time = time; - - break handle_stop; - - } - - if ( this.clampWhenFinished ) this.paused = true; - else this.enabled = false; - - this.time = time; - - this._mixer.dispatchEvent( { - type: 'finished', action: this, - direction: deltaTime < 0 ? - 1 : 1 - } ); - - } - - } else { // repetitive Repeat or PingPong - - if ( loopCount === - 1 ) { - - // just started - - if ( deltaTime >= 0 ) { - - loopCount = 0; - - this._setEndings( true, this.repetitions === 0, pingPong ); - - } else { - - // when looping in reverse direction, the initial - // transition through zero counts as a repetition, - // so leave loopCount at -1 - - this._setEndings( this.repetitions === 0, true, pingPong ); - - } - - } - - if ( time >= duration || time < 0 ) { - - // wrap around - - var loopDelta = Math.floor( time / duration ); // signed - time -= duration * loopDelta; - - loopCount += Math.abs( loopDelta ); - - var pending = this.repetitions - loopCount; - - if ( pending <= 0 ) { - - // have to stop (switch state, clamp time, fire event) - - if ( this.clampWhenFinished ) this.paused = true; - else this.enabled = false; - - time = deltaTime > 0 ? duration : 0; - - this.time = time; - - this._mixer.dispatchEvent( { - type: 'finished', action: this, - direction: deltaTime > 0 ? 1 : - 1 - } ); - - } else { - - // keep running - - if ( pending === 1 ) { - - // entering the last round - - var atStart = deltaTime < 0; - this._setEndings( atStart, ! atStart, pingPong ); - - } else { - - this._setEndings( false, false, pingPong ); - - } - - this._loopCount = loopCount; - - this.time = time; - - this._mixer.dispatchEvent( { - type: 'loop', action: this, loopDelta: loopDelta - } ); - - } - - } else { - - this.time = time; - - } - - if ( pingPong && ( loopCount & 1 ) === 1 ) { - - // invert time for the "pong round" - - return duration - time; - - } - - } - - return time; - - }, - - _setEndings: function ( atStart, atEnd, pingPong ) { - - var settings = this._interpolantSettings; - - if ( pingPong ) { - - settings.endingStart = ZeroSlopeEnding; - settings.endingEnd = ZeroSlopeEnding; - - } else { - - // assuming for LoopOnce atStart == atEnd == true - - if ( atStart ) { - - settings.endingStart = this.zeroSlopeAtStart ? ZeroSlopeEnding : ZeroCurvatureEnding; - - } else { - - settings.endingStart = WrapAroundEnding; - - } - - if ( atEnd ) { - - settings.endingEnd = this.zeroSlopeAtEnd ? ZeroSlopeEnding : ZeroCurvatureEnding; - - } else { - - settings.endingEnd = WrapAroundEnding; - - } - - } - - }, - - _scheduleFading: function ( duration, weightNow, weightThen ) { - - var mixer = this._mixer, now = mixer.time, - interpolant = this._weightInterpolant; - - if ( interpolant === null ) { - - interpolant = mixer._lendControlInterpolant(); - this._weightInterpolant = interpolant; - - } - - var times = interpolant.parameterPositions, - values = interpolant.sampleValues; - - times[ 0 ] = now; - values[ 0 ] = weightNow; - times[ 1 ] = now + duration; - values[ 1 ] = weightThen; - - return this; - - } - - } ); - - /** - * - * Player for AnimationClips. - * - * - * @author Ben Houston / http://clara.io/ - * @author David Sarno / http://lighthaus.us/ - * @author tschw - */ - - function AnimationMixer( root ) { - - this._root = root; - this._initMemoryManager(); - this._accuIndex = 0; - - this.time = 0; - - this.timeScale = 1.0; - - } - - AnimationMixer.prototype = Object.assign( Object.create( EventDispatcher.prototype ), { - - constructor: AnimationMixer, - - _bindAction: function ( action, prototypeAction ) { - - var root = action._localRoot || this._root, - tracks = action._clip.tracks, - nTracks = tracks.length, - bindings = action._propertyBindings, - interpolants = action._interpolants, - rootUuid = root.uuid, - bindingsByRoot = this._bindingsByRootAndName, - bindingsByName = bindingsByRoot[ rootUuid ]; - - if ( bindingsByName === undefined ) { - - bindingsByName = {}; - bindingsByRoot[ rootUuid ] = bindingsByName; - - } - - for ( var i = 0; i !== nTracks; ++ i ) { - - var track = tracks[ i ], - trackName = track.name, - binding = bindingsByName[ trackName ]; - - if ( binding !== undefined ) { - - bindings[ i ] = binding; - - } else { - - binding = bindings[ i ]; - - if ( binding !== undefined ) { - - // existing binding, make sure the cache knows - - if ( binding._cacheIndex === null ) { - - ++ binding.referenceCount; - this._addInactiveBinding( binding, rootUuid, trackName ); - - } - - continue; - - } - - var path = prototypeAction && prototypeAction. - _propertyBindings[ i ].binding.parsedPath; - - binding = new PropertyMixer( - PropertyBinding.create( root, trackName, path ), - track.ValueTypeName, track.getValueSize() ); - - ++ binding.referenceCount; - this._addInactiveBinding( binding, rootUuid, trackName ); - - bindings[ i ] = binding; - - } - - interpolants[ i ].resultBuffer = binding.buffer; - - } - - }, - - _activateAction: function ( action ) { - - if ( ! this._isActiveAction( action ) ) { - - if ( action._cacheIndex === null ) { - - // this action has been forgotten by the cache, but the user - // appears to be still using it -> rebind - - var rootUuid = ( action._localRoot || this._root ).uuid, - clipUuid = action._clip.uuid, - actionsForClip = this._actionsByClip[ clipUuid ]; - - this._bindAction( action, - actionsForClip && actionsForClip.knownActions[ 0 ] ); - - this._addInactiveAction( action, clipUuid, rootUuid ); - - } - - var bindings = action._propertyBindings; - - // increment reference counts / sort out state - for ( var i = 0, n = bindings.length; i !== n; ++ i ) { - - var binding = bindings[ i ]; - - if ( binding.useCount ++ === 0 ) { - - this._lendBinding( binding ); - binding.saveOriginalState(); - - } - - } - - this._lendAction( action ); - - } - - }, - - _deactivateAction: function ( action ) { - - if ( this._isActiveAction( action ) ) { - - var bindings = action._propertyBindings; - - // decrement reference counts / sort out state - for ( var i = 0, n = bindings.length; i !== n; ++ i ) { - - var binding = bindings[ i ]; - - if ( -- binding.useCount === 0 ) { - - binding.restoreOriginalState(); - this._takeBackBinding( binding ); - - } - - } - - this._takeBackAction( action ); - - } - - }, - - // Memory manager - - _initMemoryManager: function () { - - this._actions = []; // 'nActiveActions' followed by inactive ones - this._nActiveActions = 0; - - this._actionsByClip = {}; - // inside: - // { - // knownActions: Array< AnimationAction > - used as prototypes - // actionByRoot: AnimationAction - lookup - // } - - - this._bindings = []; // 'nActiveBindings' followed by inactive ones - this._nActiveBindings = 0; - - this._bindingsByRootAndName = {}; // inside: Map< name, PropertyMixer > - - - this._controlInterpolants = []; // same game as above - this._nActiveControlInterpolants = 0; - - var scope = this; - - this.stats = { - - actions: { - get total() { - - return scope._actions.length; - - }, - get inUse() { - - return scope._nActiveActions; - - } - }, - bindings: { - get total() { - - return scope._bindings.length; - - }, - get inUse() { - - return scope._nActiveBindings; - - } - }, - controlInterpolants: { - get total() { - - return scope._controlInterpolants.length; - - }, - get inUse() { - - return scope._nActiveControlInterpolants; - - } - } - - }; - - }, - - // Memory management for AnimationAction objects - - _isActiveAction: function ( action ) { - - var index = action._cacheIndex; - return index !== null && index < this._nActiveActions; - - }, - - _addInactiveAction: function ( action, clipUuid, rootUuid ) { - - var actions = this._actions, - actionsByClip = this._actionsByClip, - actionsForClip = actionsByClip[ clipUuid ]; - - if ( actionsForClip === undefined ) { - - actionsForClip = { - - knownActions: [ action ], - actionByRoot: {} - - }; - - action._byClipCacheIndex = 0; - - actionsByClip[ clipUuid ] = actionsForClip; - - } else { - - var knownActions = actionsForClip.knownActions; - - action._byClipCacheIndex = knownActions.length; - knownActions.push( action ); - - } - - action._cacheIndex = actions.length; - actions.push( action ); - - actionsForClip.actionByRoot[ rootUuid ] = action; - - }, - - _removeInactiveAction: function ( action ) { - - var actions = this._actions, - lastInactiveAction = actions[ actions.length - 1 ], - cacheIndex = action._cacheIndex; - - lastInactiveAction._cacheIndex = cacheIndex; - actions[ cacheIndex ] = lastInactiveAction; - actions.pop(); - - action._cacheIndex = null; - - - var clipUuid = action._clip.uuid, - actionsByClip = this._actionsByClip, - actionsForClip = actionsByClip[ clipUuid ], - knownActionsForClip = actionsForClip.knownActions, - - lastKnownAction = - knownActionsForClip[ knownActionsForClip.length - 1 ], - - byClipCacheIndex = action._byClipCacheIndex; - - lastKnownAction._byClipCacheIndex = byClipCacheIndex; - knownActionsForClip[ byClipCacheIndex ] = lastKnownAction; - knownActionsForClip.pop(); - - action._byClipCacheIndex = null; - - - var actionByRoot = actionsForClip.actionByRoot, - rootUuid = ( action._localRoot || this._root ).uuid; - - delete actionByRoot[ rootUuid ]; - - if ( knownActionsForClip.length === 0 ) { - - delete actionsByClip[ clipUuid ]; - - } - - this._removeInactiveBindingsForAction( action ); - - }, - - _removeInactiveBindingsForAction: function ( action ) { - - var bindings = action._propertyBindings; - for ( var i = 0, n = bindings.length; i !== n; ++ i ) { - - var binding = bindings[ i ]; - - if ( -- binding.referenceCount === 0 ) { - - this._removeInactiveBinding( binding ); - - } - - } - - }, - - _lendAction: function ( action ) { - - // [ active actions | inactive actions ] - // [ active actions >| inactive actions ] - // s a - // <-swap-> - // a s - - var actions = this._actions, - prevIndex = action._cacheIndex, - - lastActiveIndex = this._nActiveActions ++, - - firstInactiveAction = actions[ lastActiveIndex ]; - - action._cacheIndex = lastActiveIndex; - actions[ lastActiveIndex ] = action; - - firstInactiveAction._cacheIndex = prevIndex; - actions[ prevIndex ] = firstInactiveAction; - - }, - - _takeBackAction: function ( action ) { - - // [ active actions | inactive actions ] - // [ active actions |< inactive actions ] - // a s - // <-swap-> - // s a - - var actions = this._actions, - prevIndex = action._cacheIndex, - - firstInactiveIndex = -- this._nActiveActions, - - lastActiveAction = actions[ firstInactiveIndex ]; - - action._cacheIndex = firstInactiveIndex; - actions[ firstInactiveIndex ] = action; - - lastActiveAction._cacheIndex = prevIndex; - actions[ prevIndex ] = lastActiveAction; - - }, - - // Memory management for PropertyMixer objects - - _addInactiveBinding: function ( binding, rootUuid, trackName ) { - - var bindingsByRoot = this._bindingsByRootAndName, - bindingByName = bindingsByRoot[ rootUuid ], - - bindings = this._bindings; - - if ( bindingByName === undefined ) { - - bindingByName = {}; - bindingsByRoot[ rootUuid ] = bindingByName; - - } - - bindingByName[ trackName ] = binding; - - binding._cacheIndex = bindings.length; - bindings.push( binding ); - - }, - - _removeInactiveBinding: function ( binding ) { - - var bindings = this._bindings, - propBinding = binding.binding, - rootUuid = propBinding.rootNode.uuid, - trackName = propBinding.path, - bindingsByRoot = this._bindingsByRootAndName, - bindingByName = bindingsByRoot[ rootUuid ], - - lastInactiveBinding = bindings[ bindings.length - 1 ], - cacheIndex = binding._cacheIndex; - - lastInactiveBinding._cacheIndex = cacheIndex; - bindings[ cacheIndex ] = lastInactiveBinding; - bindings.pop(); - - delete bindingByName[ trackName ]; - - if ( Object.keys( bindingByName ).length === 0 ) { - - delete bindingsByRoot[ rootUuid ]; - - } - - }, - - _lendBinding: function ( binding ) { - - var bindings = this._bindings, - prevIndex = binding._cacheIndex, - - lastActiveIndex = this._nActiveBindings ++, - - firstInactiveBinding = bindings[ lastActiveIndex ]; - - binding._cacheIndex = lastActiveIndex; - bindings[ lastActiveIndex ] = binding; - - firstInactiveBinding._cacheIndex = prevIndex; - bindings[ prevIndex ] = firstInactiveBinding; - - }, - - _takeBackBinding: function ( binding ) { - - var bindings = this._bindings, - prevIndex = binding._cacheIndex, - - firstInactiveIndex = -- this._nActiveBindings, - - lastActiveBinding = bindings[ firstInactiveIndex ]; - - binding._cacheIndex = firstInactiveIndex; - bindings[ firstInactiveIndex ] = binding; - - lastActiveBinding._cacheIndex = prevIndex; - bindings[ prevIndex ] = lastActiveBinding; - - }, - - - // Memory management of Interpolants for weight and time scale - - _lendControlInterpolant: function () { - - var interpolants = this._controlInterpolants, - lastActiveIndex = this._nActiveControlInterpolants ++, - interpolant = interpolants[ lastActiveIndex ]; - - if ( interpolant === undefined ) { - - interpolant = new LinearInterpolant( - new Float32Array( 2 ), new Float32Array( 2 ), - 1, this._controlInterpolantsResultBuffer ); - - interpolant.__cacheIndex = lastActiveIndex; - interpolants[ lastActiveIndex ] = interpolant; - - } - - return interpolant; - - }, - - _takeBackControlInterpolant: function ( interpolant ) { - - var interpolants = this._controlInterpolants, - prevIndex = interpolant.__cacheIndex, - - firstInactiveIndex = -- this._nActiveControlInterpolants, - - lastActiveInterpolant = interpolants[ firstInactiveIndex ]; - - interpolant.__cacheIndex = firstInactiveIndex; - interpolants[ firstInactiveIndex ] = interpolant; - - lastActiveInterpolant.__cacheIndex = prevIndex; - interpolants[ prevIndex ] = lastActiveInterpolant; - - }, - - _controlInterpolantsResultBuffer: new Float32Array( 1 ), - - // return an action for a clip optionally using a custom root target - // object (this method allocates a lot of dynamic memory in case a - // previously unknown clip/root combination is specified) - clipAction: function ( clip, optionalRoot ) { - - var root = optionalRoot || this._root, - rootUuid = root.uuid, - - clipObject = typeof clip === 'string' ? - AnimationClip.findByName( root, clip ) : clip, - - clipUuid = clipObject !== null ? clipObject.uuid : clip, - - actionsForClip = this._actionsByClip[ clipUuid ], - prototypeAction = null; - - if ( actionsForClip !== undefined ) { - - var existingAction = - actionsForClip.actionByRoot[ rootUuid ]; - - if ( existingAction !== undefined ) { - - return existingAction; - - } - - // we know the clip, so we don't have to parse all - // the bindings again but can just copy - prototypeAction = actionsForClip.knownActions[ 0 ]; - - // also, take the clip from the prototype action - if ( clipObject === null ) - clipObject = prototypeAction._clip; - - } - - // clip must be known when specified via string - if ( clipObject === null ) return null; - - // allocate all resources required to run it - var newAction = new AnimationAction( this, clipObject, optionalRoot ); - - this._bindAction( newAction, prototypeAction ); - - // and make the action known to the memory manager - this._addInactiveAction( newAction, clipUuid, rootUuid ); - - return newAction; - - }, - - // get an existing action - existingAction: function ( clip, optionalRoot ) { - - var root = optionalRoot || this._root, - rootUuid = root.uuid, - - clipObject = typeof clip === 'string' ? - AnimationClip.findByName( root, clip ) : clip, - - clipUuid = clipObject ? clipObject.uuid : clip, - - actionsForClip = this._actionsByClip[ clipUuid ]; - - if ( actionsForClip !== undefined ) { - - return actionsForClip.actionByRoot[ rootUuid ] || null; - - } - - return null; - - }, - - // deactivates all previously scheduled actions - stopAllAction: function () { - - var actions = this._actions, - nActions = this._nActiveActions, - bindings = this._bindings, - nBindings = this._nActiveBindings; - - this._nActiveActions = 0; - this._nActiveBindings = 0; - - for ( var i = 0; i !== nActions; ++ i ) { - - actions[ i ].reset(); - - } - - for ( var i = 0; i !== nBindings; ++ i ) { - - bindings[ i ].useCount = 0; - - } - - return this; - - }, - - // advance the time and update apply the animation - update: function ( deltaTime ) { - - deltaTime *= this.timeScale; - - var actions = this._actions, - nActions = this._nActiveActions, - - time = this.time += deltaTime, - timeDirection = Math.sign( deltaTime ), - - accuIndex = this._accuIndex ^= 1; - - // run active actions - - for ( var i = 0; i !== nActions; ++ i ) { - - var action = actions[ i ]; - - action._update( time, deltaTime, timeDirection, accuIndex ); - - } - - // update scene graph - - var bindings = this._bindings, - nBindings = this._nActiveBindings; - - for ( var i = 0; i !== nBindings; ++ i ) { - - bindings[ i ].apply( accuIndex ); - - } - - return this; - - }, - - // return this mixer's root target object - getRoot: function () { - - return this._root; - - }, - - // free all resources specific to a particular clip - uncacheClip: function ( clip ) { - - var actions = this._actions, - clipUuid = clip.uuid, - actionsByClip = this._actionsByClip, - actionsForClip = actionsByClip[ clipUuid ]; - - if ( actionsForClip !== undefined ) { - - // note: just calling _removeInactiveAction would mess up the - // iteration state and also require updating the state we can - // just throw away - - var actionsToRemove = actionsForClip.knownActions; - - for ( var i = 0, n = actionsToRemove.length; i !== n; ++ i ) { - - var action = actionsToRemove[ i ]; - - this._deactivateAction( action ); - - var cacheIndex = action._cacheIndex, - lastInactiveAction = actions[ actions.length - 1 ]; - - action._cacheIndex = null; - action._byClipCacheIndex = null; - - lastInactiveAction._cacheIndex = cacheIndex; - actions[ cacheIndex ] = lastInactiveAction; - actions.pop(); - - this._removeInactiveBindingsForAction( action ); - - } - - delete actionsByClip[ clipUuid ]; - - } - - }, - - // free all resources specific to a particular root target object - uncacheRoot: function ( root ) { - - var rootUuid = root.uuid, - actionsByClip = this._actionsByClip; - - for ( var clipUuid in actionsByClip ) { - - var actionByRoot = actionsByClip[ clipUuid ].actionByRoot, - action = actionByRoot[ rootUuid ]; - - if ( action !== undefined ) { - - this._deactivateAction( action ); - this._removeInactiveAction( action ); - - } - - } - - var bindingsByRoot = this._bindingsByRootAndName, - bindingByName = bindingsByRoot[ rootUuid ]; - - if ( bindingByName !== undefined ) { - - for ( var trackName in bindingByName ) { - - var binding = bindingByName[ trackName ]; - binding.restoreOriginalState(); - this._removeInactiveBinding( binding ); - - } - - } - - }, - - // remove a targeted clip from the cache - uncacheAction: function ( clip, optionalRoot ) { - - var action = this.existingAction( clip, optionalRoot ); - - if ( action !== null ) { - - this._deactivateAction( action ); - this._removeInactiveAction( action ); - - } - - } - - } ); - - /** - * @author mrdoob / http://mrdoob.com/ - */ - - function Uniform( value ) { - - if ( typeof value === 'string' ) { - - console.warn( 'THREE.Uniform: Type parameter is no longer needed.' ); - value = arguments[ 1 ]; - - } - - this.value = value; - - } - - Uniform.prototype.clone = function () { - - return new Uniform( this.value.clone === undefined ? this.value : this.value.clone() ); - - }; - - /** - * @author benaadams / https://twitter.com/ben_a_adams - */ - - function InstancedInterleavedBuffer( array, stride, meshPerAttribute ) { - - InterleavedBuffer.call( this, array, stride ); - - this.meshPerAttribute = meshPerAttribute || 1; - - } - - InstancedInterleavedBuffer.prototype = Object.assign( Object.create( InterleavedBuffer.prototype ), { - - constructor: InstancedInterleavedBuffer, - - isInstancedInterleavedBuffer: true, - - copy: function ( source ) { - - InterleavedBuffer.prototype.copy.call( this, source ); - - this.meshPerAttribute = source.meshPerAttribute; - - return this; - - } - - } ); - - /** - * @author mrdoob / http://mrdoob.com/ - * @author bhouston / http://clara.io/ - * @author stephomi / http://stephaneginier.com/ - */ - - function Raycaster( origin, direction, near, far ) { - - this.ray = new Ray( origin, direction ); - // direction is assumed to be normalized (for accurate distance calculations) - - this.near = near || 0; - this.far = far || Infinity; - this.camera = null; - - this.params = { - Mesh: {}, - Line: {}, - LOD: {}, - Points: { threshold: 1 }, - Sprite: {} - }; - - Object.defineProperties( this.params, { - PointCloud: { - get: function () { - - console.warn( 'THREE.Raycaster: params.PointCloud has been renamed to params.Points.' ); - return this.Points; - - } - } - } ); - - } - - function ascSort( a, b ) { - - return a.distance - b.distance; - - } - - function intersectObject( object, raycaster, intersects, recursive ) { - - if ( object.visible === false ) return; - - object.raycast( raycaster, intersects ); - - if ( recursive === true ) { - - var children = object.children; - - for ( var i = 0, l = children.length; i < l; i ++ ) { - - intersectObject( children[ i ], raycaster, intersects, true ); - - } - - } - - } - - Object.assign( Raycaster.prototype, { - - linePrecision: 1, - - set: function ( origin, direction ) { - - // direction is assumed to be normalized (for accurate distance calculations) - - this.ray.set( origin, direction ); - - }, - - setFromCamera: function ( coords, camera ) { - - if ( ( camera && camera.isPerspectiveCamera ) ) { - - this.ray.origin.setFromMatrixPosition( camera.matrixWorld ); - this.ray.direction.set( coords.x, coords.y, 0.5 ).unproject( camera ).sub( this.ray.origin ).normalize(); - this.camera = camera; - - } else if ( ( camera && camera.isOrthographicCamera ) ) { - - this.ray.origin.set( coords.x, coords.y, ( camera.near + camera.far ) / ( camera.near - camera.far ) ).unproject( camera ); // set origin in plane of camera - this.ray.direction.set( 0, 0, - 1 ).transformDirection( camera.matrixWorld ); - this.camera = camera; - - } else { - - console.error( 'THREE.Raycaster: Unsupported camera type.' ); - - } - - }, - - intersectObject: function ( object, recursive, optionalTarget ) { - - var intersects = optionalTarget || []; - - intersectObject( object, this, intersects, recursive ); - - intersects.sort( ascSort ); - - return intersects; - - }, - - intersectObjects: function ( objects, recursive, optionalTarget ) { - - var intersects = optionalTarget || []; - - if ( Array.isArray( objects ) === false ) { - - console.warn( 'THREE.Raycaster.intersectObjects: objects is not an Array.' ); - return intersects; - - } - - for ( var i = 0, l = objects.length; i < l; i ++ ) { - - intersectObject( objects[ i ], this, intersects, recursive ); - - } - - intersects.sort( ascSort ); - - return intersects; - - } - - } ); - - /** - * @author bhouston / http://clara.io - * @author WestLangley / http://github.com/WestLangley - * - * Ref: https://en.wikipedia.org/wiki/Spherical_coordinate_system - * - * The polar angle (phi) is measured from the positive y-axis. The positive y-axis is up. - * The azimuthal angle (theta) is measured from the positive z-axiz. - */ - - function Spherical( radius, phi, theta ) { - - this.radius = ( radius !== undefined ) ? radius : 1.0; - this.phi = ( phi !== undefined ) ? phi : 0; // polar angle - this.theta = ( theta !== undefined ) ? theta : 0; // azimuthal angle - - return this; - - } - - Object.assign( Spherical.prototype, { - - set: function ( radius, phi, theta ) { - - this.radius = radius; - this.phi = phi; - this.theta = theta; - - return this; - - }, - - clone: function () { - - return new this.constructor().copy( this ); - - }, - - copy: function ( other ) { - - this.radius = other.radius; - this.phi = other.phi; - this.theta = other.theta; - - return this; - - }, - - // restrict phi to be betwee EPS and PI-EPS - makeSafe: function () { - - var EPS = 0.000001; - this.phi = Math.max( EPS, Math.min( Math.PI - EPS, this.phi ) ); - - return this; - - }, - - setFromVector3: function ( v ) { - - return this.setFromCartesianCoords( v.x, v.y, v.z ); - - }, - - setFromCartesianCoords: function ( x, y, z ) { - - this.radius = Math.sqrt( x * x + y * y + z * z ); - - if ( this.radius === 0 ) { - - this.theta = 0; - this.phi = 0; - - } else { - - this.theta = Math.atan2( x, z ); - this.phi = Math.acos( _Math.clamp( y / this.radius, - 1, 1 ) ); - - } - - return this; - - } - - } ); - - /** - * @author Mugen87 / https://github.com/Mugen87 - * - * Ref: https://en.wikipedia.org/wiki/Cylindrical_coordinate_system - * - */ - - function Cylindrical( radius, theta, y ) { - - this.radius = ( radius !== undefined ) ? radius : 1.0; // distance from the origin to a point in the x-z plane - this.theta = ( theta !== undefined ) ? theta : 0; // counterclockwise angle in the x-z plane measured in radians from the positive z-axis - this.y = ( y !== undefined ) ? y : 0; // height above the x-z plane - - return this; - - } - - Object.assign( Cylindrical.prototype, { - - set: function ( radius, theta, y ) { - - this.radius = radius; - this.theta = theta; - this.y = y; - - return this; - - }, - - clone: function () { - - return new this.constructor().copy( this ); - - }, - - copy: function ( other ) { - - this.radius = other.radius; - this.theta = other.theta; - this.y = other.y; - - return this; - - }, - - setFromVector3: function ( v ) { - - return this.setFromCartesianCoords( v.x, v.y, v.z ); - - }, - - setFromCartesianCoords: function ( x, y, z ) { - - this.radius = Math.sqrt( x * x + z * z ); - this.theta = Math.atan2( x, z ); - this.y = y; - - return this; - - } - - } ); - - /** - * @author bhouston / http://clara.io - */ - - var _vector$6 = new Vector2(); - - function Box2( min, max ) { - - this.min = ( min !== undefined ) ? min : new Vector2( + Infinity, + Infinity ); - this.max = ( max !== undefined ) ? max : new Vector2( - Infinity, - Infinity ); - - } - - Object.assign( Box2.prototype, { - - set: function ( min, max ) { - - this.min.copy( min ); - this.max.copy( max ); - - return this; - - }, - - setFromPoints: function ( points ) { - - this.makeEmpty(); - - for ( var i = 0, il = points.length; i < il; i ++ ) { - - this.expandByPoint( points[ i ] ); - - } - - return this; - - }, - - setFromCenterAndSize: function ( center, size ) { - - var halfSize = _vector$6.copy( size ).multiplyScalar( 0.5 ); - this.min.copy( center ).sub( halfSize ); - this.max.copy( center ).add( halfSize ); - - return this; - - }, - - clone: function () { - - return new this.constructor().copy( this ); - - }, - - copy: function ( box ) { - - this.min.copy( box.min ); - this.max.copy( box.max ); - - return this; - - }, - - makeEmpty: function () { - - this.min.x = this.min.y = + Infinity; - this.max.x = this.max.y = - Infinity; - - return this; - - }, - - isEmpty: function () { - - // this is a more robust check for empty than ( volume <= 0 ) because volume can get positive with two negative axes - - return ( this.max.x < this.min.x ) || ( this.max.y < this.min.y ); - - }, - - getCenter: function ( target ) { - - if ( target === undefined ) { - - console.warn( 'THREE.Box2: .getCenter() target is now required' ); - target = new Vector2(); - - } - - return this.isEmpty() ? target.set( 0, 0 ) : target.addVectors( this.min, this.max ).multiplyScalar( 0.5 ); - - }, - - getSize: function ( target ) { - - if ( target === undefined ) { - - console.warn( 'THREE.Box2: .getSize() target is now required' ); - target = new Vector2(); - - } - - return this.isEmpty() ? target.set( 0, 0 ) : target.subVectors( this.max, this.min ); - - }, - - expandByPoint: function ( point ) { - - this.min.min( point ); - this.max.max( point ); - - return this; - - }, - - expandByVector: function ( vector ) { - - this.min.sub( vector ); - this.max.add( vector ); - - return this; - - }, - - expandByScalar: function ( scalar ) { - - this.min.addScalar( - scalar ); - this.max.addScalar( scalar ); - - return this; - - }, - - containsPoint: function ( point ) { - - return point.x < this.min.x || point.x > this.max.x || - point.y < this.min.y || point.y > this.max.y ? false : true; - - }, - - containsBox: function ( box ) { - - return this.min.x <= box.min.x && box.max.x <= this.max.x && - this.min.y <= box.min.y && box.max.y <= this.max.y; - - }, - - getParameter: function ( point, target ) { - - // This can potentially have a divide by zero if the box - // has a size dimension of 0. - - if ( target === undefined ) { - - console.warn( 'THREE.Box2: .getParameter() target is now required' ); - target = new Vector2(); - - } - - return target.set( - ( point.x - this.min.x ) / ( this.max.x - this.min.x ), - ( point.y - this.min.y ) / ( this.max.y - this.min.y ) - ); - - }, - - intersectsBox: function ( box ) { - - // using 4 splitting planes to rule out intersections - - return box.max.x < this.min.x || box.min.x > this.max.x || - box.max.y < this.min.y || box.min.y > this.max.y ? false : true; - - }, - - clampPoint: function ( point, target ) { - - if ( target === undefined ) { - - console.warn( 'THREE.Box2: .clampPoint() target is now required' ); - target = new Vector2(); - - } - - return target.copy( point ).clamp( this.min, this.max ); - - }, - - distanceToPoint: function ( point ) { - - var clampedPoint = _vector$6.copy( point ).clamp( this.min, this.max ); - return clampedPoint.sub( point ).length(); - - }, - - intersect: function ( box ) { - - this.min.max( box.min ); - this.max.min( box.max ); - - return this; - - }, - - union: function ( box ) { - - this.min.min( box.min ); - this.max.max( box.max ); - - return this; - - }, - - translate: function ( offset ) { - - this.min.add( offset ); - this.max.add( offset ); - - return this; - - }, - - equals: function ( box ) { - - return box.min.equals( this.min ) && box.max.equals( this.max ); - - } - - } ); - - /** - * @author bhouston / http://clara.io - */ - - var _startP = new Vector3(); - var _startEnd = new Vector3(); - - function Line3( start, end ) { - - this.start = ( start !== undefined ) ? start : new Vector3(); - this.end = ( end !== undefined ) ? end : new Vector3(); - - } - - Object.assign( Line3.prototype, { - - set: function ( start, end ) { - - this.start.copy( start ); - this.end.copy( end ); - - return this; - - }, - - clone: function () { - - return new this.constructor().copy( this ); - - }, - - copy: function ( line ) { - - this.start.copy( line.start ); - this.end.copy( line.end ); - - return this; - - }, - - getCenter: function ( target ) { - - if ( target === undefined ) { - - console.warn( 'THREE.Line3: .getCenter() target is now required' ); - target = new Vector3(); - - } - - return target.addVectors( this.start, this.end ).multiplyScalar( 0.5 ); - - }, - - delta: function ( target ) { - - if ( target === undefined ) { - - console.warn( 'THREE.Line3: .delta() target is now required' ); - target = new Vector3(); - - } - - return target.subVectors( this.end, this.start ); - - }, - - distanceSq: function () { - - return this.start.distanceToSquared( this.end ); - - }, - - distance: function () { - - return this.start.distanceTo( this.end ); - - }, - - at: function ( t, target ) { - - if ( target === undefined ) { - - console.warn( 'THREE.Line3: .at() target is now required' ); - target = new Vector3(); - - } - - return this.delta( target ).multiplyScalar( t ).add( this.start ); - - }, - - closestPointToPointParameter: function ( point, clampToLine ) { - - _startP.subVectors( point, this.start ); - _startEnd.subVectors( this.end, this.start ); - - var startEnd2 = _startEnd.dot( _startEnd ); - var startEnd_startP = _startEnd.dot( _startP ); - - var t = startEnd_startP / startEnd2; - - if ( clampToLine ) { - - t = _Math.clamp( t, 0, 1 ); - - } - - return t; - - }, - - closestPointToPoint: function ( point, clampToLine, target ) { - - var t = this.closestPointToPointParameter( point, clampToLine ); - - if ( target === undefined ) { - - console.warn( 'THREE.Line3: .closestPointToPoint() target is now required' ); - target = new Vector3(); - - } - - return this.delta( target ).multiplyScalar( t ).add( this.start ); - - }, - - applyMatrix4: function ( matrix ) { - - this.start.applyMatrix4( matrix ); - this.end.applyMatrix4( matrix ); - - return this; - - }, - - equals: function ( line ) { - - return line.start.equals( this.start ) && line.end.equals( this.end ); - - } - - } ); - - /** - * @author alteredq / http://alteredqualia.com/ - */ - - function ImmediateRenderObject( material ) { - - Object3D.call( this ); - - this.material = material; - this.render = function ( /* renderCallback */ ) {}; - - } - - ImmediateRenderObject.prototype = Object.create( Object3D.prototype ); - ImmediateRenderObject.prototype.constructor = ImmediateRenderObject; - - ImmediateRenderObject.prototype.isImmediateRenderObject = true; - - /** - * @author mrdoob / http://mrdoob.com/ - * @author WestLangley / http://github.com/WestLangley - */ - - var _v1$5 = new Vector3(); - var _v2$3 = new Vector3(); - var _normalMatrix$1 = new Matrix3(); - var _keys = [ 'a', 'b', 'c' ]; - - function VertexNormalsHelper( object, size, hex, linewidth ) { - - this.object = object; - - this.size = ( size !== undefined ) ? size : 1; - - var color = ( hex !== undefined ) ? hex : 0xff0000; - - var width = ( linewidth !== undefined ) ? linewidth : 1; - - // - - var nNormals = 0; - - var objGeometry = this.object.geometry; - - if ( objGeometry && objGeometry.isGeometry ) { - - nNormals = objGeometry.faces.length * 3; - - } else if ( objGeometry && objGeometry.isBufferGeometry ) { - - nNormals = objGeometry.attributes.normal.count; - - } - - // - - var geometry = new BufferGeometry(); - - var positions = new Float32BufferAttribute( nNormals * 2 * 3, 3 ); - - geometry.addAttribute( 'position', positions ); - - LineSegments.call( this, geometry, new LineBasicMaterial( { color: color, linewidth: width } ) ); - - // - - this.matrixAutoUpdate = false; - - this.update(); - - } - - VertexNormalsHelper.prototype = Object.create( LineSegments.prototype ); - VertexNormalsHelper.prototype.constructor = VertexNormalsHelper; - - VertexNormalsHelper.prototype.update = function () { - - this.object.updateMatrixWorld( true ); - - _normalMatrix$1.getNormalMatrix( this.object.matrixWorld ); - - var matrixWorld = this.object.matrixWorld; - - var position = this.geometry.attributes.position; - - // - - var objGeometry = this.object.geometry; - - if ( objGeometry && objGeometry.isGeometry ) { - - var vertices = objGeometry.vertices; - - var faces = objGeometry.faces; - - var idx = 0; - - for ( var i = 0, l = faces.length; i < l; i ++ ) { - - var face = faces[ i ]; - - for ( var j = 0, jl = face.vertexNormals.length; j < jl; j ++ ) { - - var vertex = vertices[ face[ _keys[ j ] ] ]; - - var normal = face.vertexNormals[ j ]; - - _v1$5.copy( vertex ).applyMatrix4( matrixWorld ); - - _v2$3.copy( normal ).applyMatrix3( _normalMatrix$1 ).normalize().multiplyScalar( this.size ).add( _v1$5 ); - - position.setXYZ( idx, _v1$5.x, _v1$5.y, _v1$5.z ); - - idx = idx + 1; - - position.setXYZ( idx, _v2$3.x, _v2$3.y, _v2$3.z ); - - idx = idx + 1; - - } - - } - - } else if ( objGeometry && objGeometry.isBufferGeometry ) { - - var objPos = objGeometry.attributes.position; - - var objNorm = objGeometry.attributes.normal; - - var idx = 0; - - // for simplicity, ignore index and drawcalls, and render every normal - - for ( var j = 0, jl = objPos.count; j < jl; j ++ ) { - - _v1$5.set( objPos.getX( j ), objPos.getY( j ), objPos.getZ( j ) ).applyMatrix4( matrixWorld ); - - _v2$3.set( objNorm.getX( j ), objNorm.getY( j ), objNorm.getZ( j ) ); - - _v2$3.applyMatrix3( _normalMatrix$1 ).normalize().multiplyScalar( this.size ).add( _v1$5 ); - - position.setXYZ( idx, _v1$5.x, _v1$5.y, _v1$5.z ); - - idx = idx + 1; - - position.setXYZ( idx, _v2$3.x, _v2$3.y, _v2$3.z ); - - idx = idx + 1; - - } - - } - - position.needsUpdate = true; - - }; - - /** - * @author alteredq / http://alteredqualia.com/ - * @author mrdoob / http://mrdoob.com/ - * @author WestLangley / http://github.com/WestLangley - */ - - var _vector$7 = new Vector3(); - - function SpotLightHelper( light, color ) { - - Object3D.call( this ); - - this.light = light; - this.light.updateMatrixWorld(); - - this.matrix = light.matrixWorld; - this.matrixAutoUpdate = false; - - this.color = color; - - var geometry = new BufferGeometry(); - - var positions = [ - 0, 0, 0, 0, 0, 1, - 0, 0, 0, 1, 0, 1, - 0, 0, 0, - 1, 0, 1, - 0, 0, 0, 0, 1, 1, - 0, 0, 0, 0, - 1, 1 - ]; - - for ( var i = 0, j = 1, l = 32; i < l; i ++, j ++ ) { - - var p1 = ( i / l ) * Math.PI * 2; - var p2 = ( j / l ) * Math.PI * 2; - - positions.push( - Math.cos( p1 ), Math.sin( p1 ), 1, - Math.cos( p2 ), Math.sin( p2 ), 1 - ); - - } - - geometry.addAttribute( 'position', new Float32BufferAttribute( positions, 3 ) ); - - var material = new LineBasicMaterial( { fog: false } ); - - this.cone = new LineSegments( geometry, material ); - this.add( this.cone ); - - this.update(); - - } - - SpotLightHelper.prototype = Object.create( Object3D.prototype ); - SpotLightHelper.prototype.constructor = SpotLightHelper; - - SpotLightHelper.prototype.dispose = function () { - - this.cone.geometry.dispose(); - this.cone.material.dispose(); - - }; - - SpotLightHelper.prototype.update = function () { - - this.light.updateMatrixWorld(); - - var coneLength = this.light.distance ? this.light.distance : 1000; - var coneWidth = coneLength * Math.tan( this.light.angle ); - - this.cone.scale.set( coneWidth, coneWidth, coneLength ); - - _vector$7.setFromMatrixPosition( this.light.target.matrixWorld ); - - this.cone.lookAt( _vector$7 ); - - if ( this.color !== undefined ) { - - this.cone.material.color.set( this.color ); - - } else { - - this.cone.material.color.copy( this.light.color ); - - } - - }; - - /** - * @author Sean Griffin / http://twitter.com/sgrif - * @author Michael Guerrero / http://realitymeltdown.com - * @author mrdoob / http://mrdoob.com/ - * @author ikerr / http://verold.com - * @author Mugen87 / https://github.com/Mugen87 - */ - - var _vector$8 = new Vector3(); - var _boneMatrix = new Matrix4(); - var _matrixWorldInv = new Matrix4(); - - function getBoneList( object ) { - - var boneList = []; - - if ( object && object.isBone ) { - - boneList.push( object ); - - } - - for ( var i = 0; i < object.children.length; i ++ ) { - - boneList.push.apply( boneList, getBoneList( object.children[ i ] ) ); - - } - - return boneList; - - } - - function SkeletonHelper( object ) { - - var bones = getBoneList( object ); - - var geometry = new BufferGeometry(); - - var vertices = []; - var colors = []; - - var color1 = new Color( 0, 0, 1 ); - var color2 = new Color( 0, 1, 0 ); - - for ( var i = 0; i < bones.length; i ++ ) { - - var bone = bones[ i ]; - - if ( bone.parent && bone.parent.isBone ) { - - vertices.push( 0, 0, 0 ); - vertices.push( 0, 0, 0 ); - colors.push( color1.r, color1.g, color1.b ); - colors.push( color2.r, color2.g, color2.b ); - - } - - } - - geometry.addAttribute( 'position', new Float32BufferAttribute( vertices, 3 ) ); - geometry.addAttribute( 'color', new Float32BufferAttribute( colors, 3 ) ); - - var material = new LineBasicMaterial( { vertexColors: VertexColors, depthTest: false, depthWrite: false, transparent: true } ); - - LineSegments.call( this, geometry, material ); - - this.root = object; - this.bones = bones; - - this.matrix = object.matrixWorld; - this.matrixAutoUpdate = false; - - } - - SkeletonHelper.prototype = Object.create( LineSegments.prototype ); - SkeletonHelper.prototype.constructor = SkeletonHelper; - - SkeletonHelper.prototype.updateMatrixWorld = function ( force ) { - - var bones = this.bones; - - var geometry = this.geometry; - var position = geometry.getAttribute( 'position' ); - - _matrixWorldInv.getInverse( this.root.matrixWorld ); - - for ( var i = 0, j = 0; i < bones.length; i ++ ) { - - var bone = bones[ i ]; - - if ( bone.parent && bone.parent.isBone ) { - - _boneMatrix.multiplyMatrices( _matrixWorldInv, bone.matrixWorld ); - _vector$8.setFromMatrixPosition( _boneMatrix ); - position.setXYZ( j, _vector$8.x, _vector$8.y, _vector$8.z ); - - _boneMatrix.multiplyMatrices( _matrixWorldInv, bone.parent.matrixWorld ); - _vector$8.setFromMatrixPosition( _boneMatrix ); - position.setXYZ( j + 1, _vector$8.x, _vector$8.y, _vector$8.z ); - - j += 2; - - } - - } - - geometry.getAttribute( 'position' ).needsUpdate = true; - - Object3D.prototype.updateMatrixWorld.call( this, force ); - - }; - - /** - * @author alteredq / http://alteredqualia.com/ - * @author mrdoob / http://mrdoob.com/ - */ - - function PointLightHelper( light, sphereSize, color ) { - - this.light = light; - this.light.updateMatrixWorld(); - - this.color = color; - - var geometry = new SphereBufferGeometry( sphereSize, 4, 2 ); - var material = new MeshBasicMaterial( { wireframe: true, fog: false } ); - - Mesh.call( this, geometry, material ); - - this.matrix = this.light.matrixWorld; - this.matrixAutoUpdate = false; - - this.update(); - - - /* - var distanceGeometry = new THREE.IcosahedronBufferGeometry( 1, 2 ); - var distanceMaterial = new THREE.MeshBasicMaterial( { color: hexColor, fog: false, wireframe: true, opacity: 0.1, transparent: true } ); - - this.lightSphere = new THREE.Mesh( bulbGeometry, bulbMaterial ); - this.lightDistance = new THREE.Mesh( distanceGeometry, distanceMaterial ); - - var d = light.distance; - - if ( d === 0.0 ) { - - this.lightDistance.visible = false; - - } else { - - this.lightDistance.scale.set( d, d, d ); - - } - - this.add( this.lightDistance ); - */ - - } - - PointLightHelper.prototype = Object.create( Mesh.prototype ); - PointLightHelper.prototype.constructor = PointLightHelper; - - PointLightHelper.prototype.dispose = function () { - - this.geometry.dispose(); - this.material.dispose(); - - }; - - PointLightHelper.prototype.update = function () { - - if ( this.color !== undefined ) { - - this.material.color.set( this.color ); - - } else { - - this.material.color.copy( this.light.color ); - - } - - /* - var d = this.light.distance; - - if ( d === 0.0 ) { - - this.lightDistance.visible = false; - - } else { - - this.lightDistance.visible = true; - this.lightDistance.scale.set( d, d, d ); - - } - */ - - }; - - /** - * @author abelnation / http://github.com/abelnation - * @author Mugen87 / http://github.com/Mugen87 - * @author WestLangley / http://github.com/WestLangley - * - * This helper must be added as a child of the light - */ - - function RectAreaLightHelper( light, color ) { - - this.type = 'RectAreaLightHelper'; - - this.light = light; - - this.color = color; // optional hardwired color for the helper - - var positions = [ 1, 1, 0, - 1, 1, 0, - 1, - 1, 0, 1, - 1, 0, 1, 1, 0 ]; - - var geometry = new BufferGeometry(); - geometry.addAttribute( 'position', new Float32BufferAttribute( positions, 3 ) ); - geometry.computeBoundingSphere(); - - var material = new LineBasicMaterial( { fog: false } ); - - Line.call( this, geometry, material ); - - // - - var positions2 = [ 1, 1, 0, - 1, 1, 0, - 1, - 1, 0, 1, 1, 0, - 1, - 1, 0, 1, - 1, 0 ]; - - var geometry2 = new BufferGeometry(); - geometry2.addAttribute( 'position', new Float32BufferAttribute( positions2, 3 ) ); - geometry2.computeBoundingSphere(); - - this.add( new Mesh( geometry2, new MeshBasicMaterial( { side: BackSide, fog: false } ) ) ); - - this.update(); - - } - - RectAreaLightHelper.prototype = Object.create( Line.prototype ); - RectAreaLightHelper.prototype.constructor = RectAreaLightHelper; - - RectAreaLightHelper.prototype.update = function () { - - this.scale.set( 0.5 * this.light.width, 0.5 * this.light.height, 1 ); - - if ( this.color !== undefined ) { - - this.material.color.set( this.color ); - this.children[ 0 ].material.color.set( this.color ); - - } else { - - this.material.color.copy( this.light.color ).multiplyScalar( this.light.intensity ); - - // prevent hue shift - var c = this.material.color; - var max = Math.max( c.r, c.g, c.b ); - if ( max > 1 ) c.multiplyScalar( 1 / max ); - - this.children[ 0 ].material.color.copy( this.material.color ); - - } - - }; - - RectAreaLightHelper.prototype.dispose = function () { - - this.geometry.dispose(); - this.material.dispose(); - this.children[ 0 ].geometry.dispose(); - this.children[ 0 ].material.dispose(); - - }; - - /** - * @author alteredq / http://alteredqualia.com/ - * @author mrdoob / http://mrdoob.com/ - * @author Mugen87 / https://github.com/Mugen87 - */ - - var _vector$9 = new Vector3(); - var _color1 = new Color(); - var _color2 = new Color(); - - function HemisphereLightHelper( light, size, color ) { - - Object3D.call( this ); - - this.light = light; - this.light.updateMatrixWorld(); - - this.matrix = light.matrixWorld; - this.matrixAutoUpdate = false; - - this.color = color; - - var geometry = new OctahedronBufferGeometry( size ); - geometry.rotateY( Math.PI * 0.5 ); - - this.material = new MeshBasicMaterial( { wireframe: true, fog: false } ); - if ( this.color === undefined ) this.material.vertexColors = VertexColors; - - var position = geometry.getAttribute( 'position' ); - var colors = new Float32Array( position.count * 3 ); - - geometry.addAttribute( 'color', new BufferAttribute( colors, 3 ) ); - - this.add( new Mesh( geometry, this.material ) ); - - this.update(); - - } - - HemisphereLightHelper.prototype = Object.create( Object3D.prototype ); - HemisphereLightHelper.prototype.constructor = HemisphereLightHelper; - - HemisphereLightHelper.prototype.dispose = function () { - - this.children[ 0 ].geometry.dispose(); - this.children[ 0 ].material.dispose(); - - }; - - HemisphereLightHelper.prototype.update = function () { - - var mesh = this.children[ 0 ]; - - if ( this.color !== undefined ) { - - this.material.color.set( this.color ); - - } else { - - var colors = mesh.geometry.getAttribute( 'color' ); - - _color1.copy( this.light.color ); - _color2.copy( this.light.groundColor ); - - for ( var i = 0, l = colors.count; i < l; i ++ ) { - - var color = ( i < ( l / 2 ) ) ? _color1 : _color2; - - colors.setXYZ( i, color.r, color.g, color.b ); - - } - - colors.needsUpdate = true; - - } - - mesh.lookAt( _vector$9.setFromMatrixPosition( this.light.matrixWorld ).negate() ); - - }; - - /** - * @author WestLangley / http://github.com/WestLangley - */ - - function LightProbeHelper( lightProbe, size ) { - - this.lightProbe = lightProbe; - - this.size = size; - - var defines = {}; - defines[ 'GAMMA_OUTPUT' ] = ""; - - // material - var material = new ShaderMaterial( { - - defines: defines, - - uniforms: { - - sh: { value: this.lightProbe.sh.coefficients }, // by reference - - intensity: { value: this.lightProbe.intensity } - - }, - - vertexShader: [ - - 'varying vec3 vNormal;', - - 'void main() {', - - ' vNormal = normalize( normalMatrix * normal );', - - ' gl_Position = projectionMatrix * modelViewMatrix * vec4( position, 1.0 );', - - '}', - - ].join( '\n' ), - - fragmentShader: [ - - '#define RECIPROCAL_PI 0.318309886', - - 'vec3 inverseTransformDirection( in vec3 normal, in mat4 matrix ) {', - - ' // matrix is assumed to be orthogonal', - - ' return normalize( ( vec4( normal, 0.0 ) * matrix ).xyz );', - - '}', - - 'vec3 linearToOutput( in vec3 a ) {', - - ' #ifdef GAMMA_OUTPUT', - - ' return pow( a, vec3( 1.0 / float( GAMMA_FACTOR ) ) );', - - ' #else', - - ' return a;', - - ' #endif', - - '}', - - '// source: https://graphics.stanford.edu/papers/envmap/envmap.pdf', - 'vec3 shGetIrradianceAt( in vec3 normal, in vec3 shCoefficients[ 9 ] ) {', - - ' // normal is assumed to have unit length', - - ' float x = normal.x, y = normal.y, z = normal.z;', - - ' // band 0', - ' vec3 result = shCoefficients[ 0 ] * 0.886227;', - - ' // band 1', - ' result += shCoefficients[ 1 ] * 2.0 * 0.511664 * y;', - ' result += shCoefficients[ 2 ] * 2.0 * 0.511664 * z;', - ' result += shCoefficients[ 3 ] * 2.0 * 0.511664 * x;', - - ' // band 2', - ' result += shCoefficients[ 4 ] * 2.0 * 0.429043 * x * y;', - ' result += shCoefficients[ 5 ] * 2.0 * 0.429043 * y * z;', - ' result += shCoefficients[ 6 ] * ( 0.743125 * z * z - 0.247708 );', - ' result += shCoefficients[ 7 ] * 2.0 * 0.429043 * x * z;', - ' result += shCoefficients[ 8 ] * 0.429043 * ( x * x - y * y );', - - ' return result;', - - '}', - - 'uniform vec3 sh[ 9 ]; // sh coefficients', - - 'uniform float intensity; // light probe intensity', - - 'varying vec3 vNormal;', - - 'void main() {', - - ' vec3 normal = normalize( vNormal );', - - ' vec3 worldNormal = inverseTransformDirection( normal, viewMatrix );', - - ' vec3 irradiance = shGetIrradianceAt( worldNormal, sh );', - - ' vec3 outgoingLight = RECIPROCAL_PI * irradiance * intensity;', - - ' outgoingLight = linearToOutput( outgoingLight );', - - ' gl_FragColor = vec4( outgoingLight, 1.0 );', - - '}' - - ].join( '\n' ) - - } ); - - var geometry = new SphereBufferGeometry( 1, 32, 16 ); - - Mesh.call( this, geometry, material ); - - this.onBeforeRender(); - - } - - LightProbeHelper.prototype = Object.create( Mesh.prototype ); - LightProbeHelper.prototype.constructor = LightProbeHelper; - - LightProbeHelper.prototype.dispose = function () { - - this.geometry.dispose(); - this.material.dispose(); - - }; - - LightProbeHelper.prototype.onBeforeRender = function () { - - this.position.copy( this.lightProbe.position ); - - this.scale.set( 1, 1, 1 ).multiplyScalar( this.size ); - - this.material.uniforms.intensity.value = this.lightProbe.intensity; - - }; - - /** - * @author mrdoob / http://mrdoob.com/ - */ - - function GridHelper( size, divisions, color1, color2 ) { - - size = size || 10; - divisions = divisions || 10; - color1 = new Color( color1 !== undefined ? color1 : 0x444444 ); - color2 = new Color( color2 !== undefined ? color2 : 0x888888 ); - - var center = divisions / 2; - var step = size / divisions; - var halfSize = size / 2; - - var vertices = [], colors = []; - - for ( var i = 0, j = 0, k = - halfSize; i <= divisions; i ++, k += step ) { - - vertices.push( - halfSize, 0, k, halfSize, 0, k ); - vertices.push( k, 0, - halfSize, k, 0, halfSize ); - - var color = i === center ? color1 : color2; - - color.toArray( colors, j ); j += 3; - color.toArray( colors, j ); j += 3; - color.toArray( colors, j ); j += 3; - color.toArray( colors, j ); j += 3; - - } - - var geometry = new BufferGeometry(); - geometry.addAttribute( 'position', new Float32BufferAttribute( vertices, 3 ) ); - geometry.addAttribute( 'color', new Float32BufferAttribute( colors, 3 ) ); - - var material = new LineBasicMaterial( { vertexColors: VertexColors } ); - - LineSegments.call( this, geometry, material ); - - } - - GridHelper.prototype = Object.assign( Object.create( LineSegments.prototype ), { - - constructor: GridHelper, - - copy: function ( source ) { - - LineSegments.prototype.copy.call( this, source ); - - this.geometry.copy( source.geometry ); - this.material.copy( source.material ); - - return this; - - }, - - clone: function () { - - return new this.constructor().copy( this ); - - } - - } ); - - /** - * @author mrdoob / http://mrdoob.com/ - * @author Mugen87 / http://github.com/Mugen87 - * @author Hectate / http://www.github.com/Hectate - */ - - function PolarGridHelper( radius, radials, circles, divisions, color1, color2 ) { - - radius = radius || 10; - radials = radials || 16; - circles = circles || 8; - divisions = divisions || 64; - color1 = new Color( color1 !== undefined ? color1 : 0x444444 ); - color2 = new Color( color2 !== undefined ? color2 : 0x888888 ); - - var vertices = []; - var colors = []; - - var x, z; - var v, i, j, r, color; - - // create the radials - - for ( i = 0; i <= radials; i ++ ) { - - v = ( i / radials ) * ( Math.PI * 2 ); - - x = Math.sin( v ) * radius; - z = Math.cos( v ) * radius; - - vertices.push( 0, 0, 0 ); - vertices.push( x, 0, z ); - - color = ( i & 1 ) ? color1 : color2; - - colors.push( color.r, color.g, color.b ); - colors.push( color.r, color.g, color.b ); - - } - - // create the circles - - for ( i = 0; i <= circles; i ++ ) { - - color = ( i & 1 ) ? color1 : color2; - - r = radius - ( radius / circles * i ); - - for ( j = 0; j < divisions; j ++ ) { - - // first vertex - - v = ( j / divisions ) * ( Math.PI * 2 ); - - x = Math.sin( v ) * r; - z = Math.cos( v ) * r; - - vertices.push( x, 0, z ); - colors.push( color.r, color.g, color.b ); - - // second vertex - - v = ( ( j + 1 ) / divisions ) * ( Math.PI * 2 ); - - x = Math.sin( v ) * r; - z = Math.cos( v ) * r; - - vertices.push( x, 0, z ); - colors.push( color.r, color.g, color.b ); - - } - - } - - var geometry = new BufferGeometry(); - geometry.addAttribute( 'position', new Float32BufferAttribute( vertices, 3 ) ); - geometry.addAttribute( 'color', new Float32BufferAttribute( colors, 3 ) ); - - var material = new LineBasicMaterial( { vertexColors: VertexColors } ); - - LineSegments.call( this, geometry, material ); - - } - - PolarGridHelper.prototype = Object.create( LineSegments.prototype ); - PolarGridHelper.prototype.constructor = PolarGridHelper; - - /** - * @author Mugen87 / http://github.com/Mugen87 - */ - - function PositionalAudioHelper( audio, range, divisionsInnerAngle, divisionsOuterAngle ) { - - this.audio = audio; - this.range = range || 1; - this.divisionsInnerAngle = divisionsInnerAngle || 16; - this.divisionsOuterAngle = divisionsOuterAngle || 2; - - var geometry = new BufferGeometry(); - var divisions = this.divisionsInnerAngle + this.divisionsOuterAngle * 2; - var positions = new Float32Array( ( divisions * 3 + 3 ) * 3 ); - geometry.addAttribute( 'position', new BufferAttribute( positions, 3 ) ); - - var materialInnerAngle = new LineBasicMaterial( { color: 0x00ff00 } ); - var materialOuterAngle = new LineBasicMaterial( { color: 0xffff00 } ); - - Line.call( this, geometry, [ materialOuterAngle, materialInnerAngle ] ); - - this.update(); - - } - - PositionalAudioHelper.prototype = Object.create( Line.prototype ); - PositionalAudioHelper.prototype.constructor = PositionalAudioHelper; - - PositionalAudioHelper.prototype.update = function () { - - var audio = this.audio; - var range = this.range; - var divisionsInnerAngle = this.divisionsInnerAngle; - var divisionsOuterAngle = this.divisionsOuterAngle; - - var coneInnerAngle = _Math.degToRad( audio.panner.coneInnerAngle ); - var coneOuterAngle = _Math.degToRad( audio.panner.coneOuterAngle ); - - var halfConeInnerAngle = coneInnerAngle / 2; - var halfConeOuterAngle = coneOuterAngle / 2; - - var start = 0; - var count = 0; - var i, stride; - - var geometry = this.geometry; - var positionAttribute = geometry.attributes.position; - - geometry.clearGroups(); - - // - - function generateSegment( from, to, divisions, materialIndex ) { - - var step = ( to - from ) / divisions; - - positionAttribute.setXYZ( start, 0, 0, 0 ); - count ++; - - for ( i = from; i < to; i += step ) { - - stride = start + count; - - positionAttribute.setXYZ( stride, Math.sin( i ) * range, 0, Math.cos( i ) * range ); - positionAttribute.setXYZ( stride + 1, Math.sin( Math.min( i + step, to ) ) * range, 0, Math.cos( Math.min( i + step, to ) ) * range ); - positionAttribute.setXYZ( stride + 2, 0, 0, 0 ); - - count += 3; - - } - - geometry.addGroup( start, count, materialIndex ); - - start += count; - count = 0; - - } - - // - - generateSegment( - halfConeOuterAngle, - halfConeInnerAngle, divisionsOuterAngle, 0 ); - generateSegment( - halfConeInnerAngle, halfConeInnerAngle, divisionsInnerAngle, 1 ); - generateSegment( halfConeInnerAngle, halfConeOuterAngle, divisionsOuterAngle, 0 ); - - // - - positionAttribute.needsUpdate = true; - - if ( coneInnerAngle === coneOuterAngle ) this.material[ 0 ].visible = false; - - }; - - PositionalAudioHelper.prototype.dispose = function () { - - this.geometry.dispose(); - this.material[ 0 ].dispose(); - this.material[ 1 ].dispose(); - - }; - - /** - * @author mrdoob / http://mrdoob.com/ - * @author WestLangley / http://github.com/WestLangley - */ - - var _v1$6 = new Vector3(); - var _v2$4 = new Vector3(); - var _normalMatrix$2 = new Matrix3(); - - function FaceNormalsHelper( object, size, hex, linewidth ) { - - // FaceNormalsHelper only supports THREE.Geometry - - this.object = object; - - this.size = ( size !== undefined ) ? size : 1; - - var color = ( hex !== undefined ) ? hex : 0xffff00; - - var width = ( linewidth !== undefined ) ? linewidth : 1; - - // - - var nNormals = 0; - - var objGeometry = this.object.geometry; - - if ( objGeometry && objGeometry.isGeometry ) { - - nNormals = objGeometry.faces.length; - - } else { - - console.warn( 'THREE.FaceNormalsHelper: only THREE.Geometry is supported. Use THREE.VertexNormalsHelper, instead.' ); - - } - - // - - var geometry = new BufferGeometry(); - - var positions = new Float32BufferAttribute( nNormals * 2 * 3, 3 ); - - geometry.addAttribute( 'position', positions ); - - LineSegments.call( this, geometry, new LineBasicMaterial( { color: color, linewidth: width } ) ); - - // - - this.matrixAutoUpdate = false; - this.update(); - - } - - FaceNormalsHelper.prototype = Object.create( LineSegments.prototype ); - FaceNormalsHelper.prototype.constructor = FaceNormalsHelper; - - FaceNormalsHelper.prototype.update = function () { - - this.object.updateMatrixWorld( true ); - - _normalMatrix$2.getNormalMatrix( this.object.matrixWorld ); - - var matrixWorld = this.object.matrixWorld; - - var position = this.geometry.attributes.position; - - // - - var objGeometry = this.object.geometry; - - var vertices = objGeometry.vertices; - - var faces = objGeometry.faces; - - var idx = 0; - - for ( var i = 0, l = faces.length; i < l; i ++ ) { - - var face = faces[ i ]; - - var normal = face.normal; - - _v1$6.copy( vertices[ face.a ] ) - .add( vertices[ face.b ] ) - .add( vertices[ face.c ] ) - .divideScalar( 3 ) - .applyMatrix4( matrixWorld ); - - _v2$4.copy( normal ).applyMatrix3( _normalMatrix$2 ).normalize().multiplyScalar( this.size ).add( _v1$6 ); - - position.setXYZ( idx, _v1$6.x, _v1$6.y, _v1$6.z ); - - idx = idx + 1; - - position.setXYZ( idx, _v2$4.x, _v2$4.y, _v2$4.z ); - - idx = idx + 1; - - } - - position.needsUpdate = true; - - }; - - /** - * @author alteredq / http://alteredqualia.com/ - * @author mrdoob / http://mrdoob.com/ - * @author WestLangley / http://github.com/WestLangley - */ - - var _v1$7 = new Vector3(); - var _v2$5 = new Vector3(); - var _v3$1 = new Vector3(); - - function DirectionalLightHelper( light, size, color ) { - - Object3D.call( this ); - - this.light = light; - this.light.updateMatrixWorld(); - - this.matrix = light.matrixWorld; - this.matrixAutoUpdate = false; - - this.color = color; - - if ( size === undefined ) size = 1; - - var geometry = new BufferGeometry(); - geometry.addAttribute( 'position', new Float32BufferAttribute( [ - - size, size, 0, - size, size, 0, - size, - size, 0, - - size, - size, 0, - - size, size, 0 - ], 3 ) ); - - var material = new LineBasicMaterial( { fog: false } ); - - this.lightPlane = new Line( geometry, material ); - this.add( this.lightPlane ); - - geometry = new BufferGeometry(); - geometry.addAttribute( 'position', new Float32BufferAttribute( [ 0, 0, 0, 0, 0, 1 ], 3 ) ); - - this.targetLine = new Line( geometry, material ); - this.add( this.targetLine ); - - this.update(); - - } - - DirectionalLightHelper.prototype = Object.create( Object3D.prototype ); - DirectionalLightHelper.prototype.constructor = DirectionalLightHelper; - - DirectionalLightHelper.prototype.dispose = function () { - - this.lightPlane.geometry.dispose(); - this.lightPlane.material.dispose(); - this.targetLine.geometry.dispose(); - this.targetLine.material.dispose(); - - }; - - DirectionalLightHelper.prototype.update = function () { - - _v1$7.setFromMatrixPosition( this.light.matrixWorld ); - _v2$5.setFromMatrixPosition( this.light.target.matrixWorld ); - _v3$1.subVectors( _v2$5, _v1$7 ); - - this.lightPlane.lookAt( _v2$5 ); - - if ( this.color !== undefined ) { - - this.lightPlane.material.color.set( this.color ); - this.targetLine.material.color.set( this.color ); - - } else { - - this.lightPlane.material.color.copy( this.light.color ); - this.targetLine.material.color.copy( this.light.color ); - - } - - this.targetLine.lookAt( _v2$5 ); - this.targetLine.scale.z = _v3$1.length(); - - }; - - /** - * @author alteredq / http://alteredqualia.com/ - * @author Mugen87 / https://github.com/Mugen87 - * - * - shows frustum, line of sight and up of the camera - * - suitable for fast updates - * - based on frustum visualization in lightgl.js shadowmap example - * http://evanw.github.com/lightgl.js/tests/shadowmap.html - */ - - var _vector$a = new Vector3(); - var _camera = new Camera(); - - function CameraHelper( camera ) { - - var geometry = new BufferGeometry(); - var material = new LineBasicMaterial( { color: 0xffffff, vertexColors: FaceColors } ); - - var vertices = []; - var colors = []; - - var pointMap = {}; - - // colors - - var colorFrustum = new Color( 0xffaa00 ); - var colorCone = new Color( 0xff0000 ); - var colorUp = new Color( 0x00aaff ); - var colorTarget = new Color( 0xffffff ); - var colorCross = new Color( 0x333333 ); - - // near - - addLine( 'n1', 'n2', colorFrustum ); - addLine( 'n2', 'n4', colorFrustum ); - addLine( 'n4', 'n3', colorFrustum ); - addLine( 'n3', 'n1', colorFrustum ); - - // far - - addLine( 'f1', 'f2', colorFrustum ); - addLine( 'f2', 'f4', colorFrustum ); - addLine( 'f4', 'f3', colorFrustum ); - addLine( 'f3', 'f1', colorFrustum ); - - // sides - - addLine( 'n1', 'f1', colorFrustum ); - addLine( 'n2', 'f2', colorFrustum ); - addLine( 'n3', 'f3', colorFrustum ); - addLine( 'n4', 'f4', colorFrustum ); - - // cone - - addLine( 'p', 'n1', colorCone ); - addLine( 'p', 'n2', colorCone ); - addLine( 'p', 'n3', colorCone ); - addLine( 'p', 'n4', colorCone ); - - // up - - addLine( 'u1', 'u2', colorUp ); - addLine( 'u2', 'u3', colorUp ); - addLine( 'u3', 'u1', colorUp ); - - // target - - addLine( 'c', 't', colorTarget ); - addLine( 'p', 'c', colorCross ); - - // cross - - addLine( 'cn1', 'cn2', colorCross ); - addLine( 'cn3', 'cn4', colorCross ); - - addLine( 'cf1', 'cf2', colorCross ); - addLine( 'cf3', 'cf4', colorCross ); - - function addLine( a, b, color ) { - - addPoint( a, color ); - addPoint( b, color ); - - } - - function addPoint( id, color ) { - - vertices.push( 0, 0, 0 ); - colors.push( color.r, color.g, color.b ); - - if ( pointMap[ id ] === undefined ) { - - pointMap[ id ] = []; - - } - - pointMap[ id ].push( ( vertices.length / 3 ) - 1 ); - - } - - geometry.addAttribute( 'position', new Float32BufferAttribute( vertices, 3 ) ); - geometry.addAttribute( 'color', new Float32BufferAttribute( colors, 3 ) ); - - LineSegments.call( this, geometry, material ); - - this.camera = camera; - if ( this.camera.updateProjectionMatrix ) this.camera.updateProjectionMatrix(); - - this.matrix = camera.matrixWorld; - this.matrixAutoUpdate = false; - - this.pointMap = pointMap; - - this.update(); - - } - - CameraHelper.prototype = Object.create( LineSegments.prototype ); - CameraHelper.prototype.constructor = CameraHelper; - - CameraHelper.prototype.update = function () { - - var geometry = this.geometry; - var pointMap = this.pointMap; - - var w = 1, h = 1; - - // we need just camera projection matrix inverse - // world matrix must be identity - - _camera.projectionMatrixInverse.copy( this.camera.projectionMatrixInverse ); - - // center / target - - setPoint( 'c', pointMap, geometry, _camera, 0, 0, - 1 ); - setPoint( 't', pointMap, geometry, _camera, 0, 0, 1 ); - - // near - - setPoint( 'n1', pointMap, geometry, _camera, - w, - h, - 1 ); - setPoint( 'n2', pointMap, geometry, _camera, w, - h, - 1 ); - setPoint( 'n3', pointMap, geometry, _camera, - w, h, - 1 ); - setPoint( 'n4', pointMap, geometry, _camera, w, h, - 1 ); - - // far - - setPoint( 'f1', pointMap, geometry, _camera, - w, - h, 1 ); - setPoint( 'f2', pointMap, geometry, _camera, w, - h, 1 ); - setPoint( 'f3', pointMap, geometry, _camera, - w, h, 1 ); - setPoint( 'f4', pointMap, geometry, _camera, w, h, 1 ); - - // up - - setPoint( 'u1', pointMap, geometry, _camera, w * 0.7, h * 1.1, - 1 ); - setPoint( 'u2', pointMap, geometry, _camera, - w * 0.7, h * 1.1, - 1 ); - setPoint( 'u3', pointMap, geometry, _camera, 0, h * 2, - 1 ); - - // cross - - setPoint( 'cf1', pointMap, geometry, _camera, - w, 0, 1 ); - setPoint( 'cf2', pointMap, geometry, _camera, w, 0, 1 ); - setPoint( 'cf3', pointMap, geometry, _camera, 0, - h, 1 ); - setPoint( 'cf4', pointMap, geometry, _camera, 0, h, 1 ); - - setPoint( 'cn1', pointMap, geometry, _camera, - w, 0, - 1 ); - setPoint( 'cn2', pointMap, geometry, _camera, w, 0, - 1 ); - setPoint( 'cn3', pointMap, geometry, _camera, 0, - h, - 1 ); - setPoint( 'cn4', pointMap, geometry, _camera, 0, h, - 1 ); - - geometry.getAttribute( 'position' ).needsUpdate = true; - - }; - - function setPoint( point, pointMap, geometry, camera, x, y, z ) { - - _vector$a.set( x, y, z ).unproject( camera ); - - var points = pointMap[ point ]; - - if ( points !== undefined ) { - - var position = geometry.getAttribute( 'position' ); - - for ( var i = 0, l = points.length; i < l; i ++ ) { - - position.setXYZ( points[ i ], _vector$a.x, _vector$a.y, _vector$a.z ); - - } - - } - - } - - /** - * @author mrdoob / http://mrdoob.com/ - * @author Mugen87 / http://github.com/Mugen87 - */ - - var _box$2 = new Box3(); - - function BoxHelper( object, color ) { - - this.object = object; - - if ( color === undefined ) color = 0xffff00; - - var indices = new Uint16Array( [ 0, 1, 1, 2, 2, 3, 3, 0, 4, 5, 5, 6, 6, 7, 7, 4, 0, 4, 1, 5, 2, 6, 3, 7 ] ); - var positions = new Float32Array( 8 * 3 ); - - var geometry = new BufferGeometry(); - geometry.setIndex( new BufferAttribute( indices, 1 ) ); - geometry.addAttribute( 'position', new BufferAttribute( positions, 3 ) ); - - LineSegments.call( this, geometry, new LineBasicMaterial( { color: color } ) ); - - this.matrixAutoUpdate = false; - - this.update(); - - } - - BoxHelper.prototype = Object.create( LineSegments.prototype ); - BoxHelper.prototype.constructor = BoxHelper; - - BoxHelper.prototype.update = function ( object ) { - - if ( object !== undefined ) { - - console.warn( 'THREE.BoxHelper: .update() has no longer arguments.' ); - - } - - if ( this.object !== undefined ) { - - _box$2.setFromObject( this.object ); - - } - - if ( _box$2.isEmpty() ) return; - - var min = _box$2.min; - var max = _box$2.max; - - /* - 5____4 - 1/___0/| - | 6__|_7 - 2/___3/ - - 0: max.x, max.y, max.z - 1: min.x, max.y, max.z - 2: min.x, min.y, max.z - 3: max.x, min.y, max.z - 4: max.x, max.y, min.z - 5: min.x, max.y, min.z - 6: min.x, min.y, min.z - 7: max.x, min.y, min.z - */ - - var position = this.geometry.attributes.position; - var array = position.array; - - array[ 0 ] = max.x; array[ 1 ] = max.y; array[ 2 ] = max.z; - array[ 3 ] = min.x; array[ 4 ] = max.y; array[ 5 ] = max.z; - array[ 6 ] = min.x; array[ 7 ] = min.y; array[ 8 ] = max.z; - array[ 9 ] = max.x; array[ 10 ] = min.y; array[ 11 ] = max.z; - array[ 12 ] = max.x; array[ 13 ] = max.y; array[ 14 ] = min.z; - array[ 15 ] = min.x; array[ 16 ] = max.y; array[ 17 ] = min.z; - array[ 18 ] = min.x; array[ 19 ] = min.y; array[ 20 ] = min.z; - array[ 21 ] = max.x; array[ 22 ] = min.y; array[ 23 ] = min.z; - - position.needsUpdate = true; - - this.geometry.computeBoundingSphere(); - - - }; - - BoxHelper.prototype.setFromObject = function ( object ) { - - this.object = object; - this.update(); - - return this; - - }; - - BoxHelper.prototype.copy = function ( source ) { - - LineSegments.prototype.copy.call( this, source ); - - this.object = source.object; - - return this; - - }; - - BoxHelper.prototype.clone = function () { - - return new this.constructor().copy( this ); - - }; - - /** - * @author WestLangley / http://github.com/WestLangley - */ - - function Box3Helper( box, color ) { - - this.type = 'Box3Helper'; - - this.box = box; - - color = color || 0xffff00; - - var indices = new Uint16Array( [ 0, 1, 1, 2, 2, 3, 3, 0, 4, 5, 5, 6, 6, 7, 7, 4, 0, 4, 1, 5, 2, 6, 3, 7 ] ); - - var positions = [ 1, 1, 1, - 1, 1, 1, - 1, - 1, 1, 1, - 1, 1, 1, 1, - 1, - 1, 1, - 1, - 1, - 1, - 1, 1, - 1, - 1 ]; - - var geometry = new BufferGeometry(); - - geometry.setIndex( new BufferAttribute( indices, 1 ) ); - - geometry.addAttribute( 'position', new Float32BufferAttribute( positions, 3 ) ); - - LineSegments.call( this, geometry, new LineBasicMaterial( { color: color } ) ); - - this.geometry.computeBoundingSphere(); - - } - - Box3Helper.prototype = Object.create( LineSegments.prototype ); - Box3Helper.prototype.constructor = Box3Helper; - - Box3Helper.prototype.updateMatrixWorld = function ( force ) { - - var box = this.box; - - if ( box.isEmpty() ) return; - - box.getCenter( this.position ); - - box.getSize( this.scale ); - - this.scale.multiplyScalar( 0.5 ); - - Object3D.prototype.updateMatrixWorld.call( this, force ); - - }; - - /** - * @author WestLangley / http://github.com/WestLangley - */ - - function PlaneHelper( plane, size, hex ) { - - this.type = 'PlaneHelper'; - - this.plane = plane; - - this.size = ( size === undefined ) ? 1 : size; - - var color = ( hex !== undefined ) ? hex : 0xffff00; - - var positions = [ 1, - 1, 1, - 1, 1, 1, - 1, - 1, 1, 1, 1, 1, - 1, 1, 1, - 1, - 1, 1, 1, - 1, 1, 1, 1, 1, 0, 0, 1, 0, 0, 0 ]; - - var geometry = new BufferGeometry(); - geometry.addAttribute( 'position', new Float32BufferAttribute( positions, 3 ) ); - geometry.computeBoundingSphere(); - - Line.call( this, geometry, new LineBasicMaterial( { color: color } ) ); - - // - - var positions2 = [ 1, 1, 1, - 1, 1, 1, - 1, - 1, 1, 1, 1, 1, - 1, - 1, 1, 1, - 1, 1 ]; - - var geometry2 = new BufferGeometry(); - geometry2.addAttribute( 'position', new Float32BufferAttribute( positions2, 3 ) ); - geometry2.computeBoundingSphere(); - - this.add( new Mesh( geometry2, new MeshBasicMaterial( { color: color, opacity: 0.2, transparent: true, depthWrite: false } ) ) ); - - } - - PlaneHelper.prototype = Object.create( Line.prototype ); - PlaneHelper.prototype.constructor = PlaneHelper; - - PlaneHelper.prototype.updateMatrixWorld = function ( force ) { - - var scale = - this.plane.constant; - - if ( Math.abs( scale ) < 1e-8 ) scale = 1e-8; // sign does not matter - - this.scale.set( 0.5 * this.size, 0.5 * this.size, scale ); - - this.children[ 0 ].material.side = ( scale < 0 ) ? BackSide : FrontSide; // renderer flips side when determinant < 0; flipping not wanted here - - this.lookAt( this.plane.normal ); - - Object3D.prototype.updateMatrixWorld.call( this, force ); - - }; - - /** - * @author WestLangley / http://github.com/WestLangley - * @author zz85 / http://github.com/zz85 - * @author bhouston / http://clara.io - * - * Creates an arrow for visualizing directions - * - * Parameters: - * dir - Vector3 - * origin - Vector3 - * length - Number - * color - color in hex value - * headLength - Number - * headWidth - Number - */ - - var _axis = new Vector3(); - var _lineGeometry, _coneGeometry; - - function ArrowHelper( dir, origin, length, color, headLength, headWidth ) { - - // dir is assumed to be normalized - - Object3D.call( this ); - - if ( dir === undefined ) dir = new Vector3( 0, 0, 1 ); - if ( origin === undefined ) origin = new Vector3( 0, 0, 0 ); - if ( length === undefined ) length = 1; - if ( color === undefined ) color = 0xffff00; - if ( headLength === undefined ) headLength = 0.2 * length; - if ( headWidth === undefined ) headWidth = 0.2 * headLength; - - if ( _lineGeometry === undefined ) { - - _lineGeometry = new BufferGeometry(); - _lineGeometry.addAttribute( 'position', new Float32BufferAttribute( [ 0, 0, 0, 0, 1, 0 ], 3 ) ); - - _coneGeometry = new CylinderBufferGeometry( 0, 0.5, 1, 5, 1 ); - _coneGeometry.translate( 0, - 0.5, 0 ); - - } - - this.position.copy( origin ); - - this.line = new Line( _lineGeometry, new LineBasicMaterial( { color: color } ) ); - this.line.matrixAutoUpdate = false; - this.add( this.line ); - - this.cone = new Mesh( _coneGeometry, new MeshBasicMaterial( { color: color } ) ); - this.cone.matrixAutoUpdate = false; - this.add( this.cone ); - - this.setDirection( dir ); - this.setLength( length, headLength, headWidth ); - - } - - ArrowHelper.prototype = Object.create( Object3D.prototype ); - ArrowHelper.prototype.constructor = ArrowHelper; - - ArrowHelper.prototype.setDirection = function ( dir ) { - - // dir is assumed to be normalized - - if ( dir.y > 0.99999 ) { - - this.quaternion.set( 0, 0, 0, 1 ); - - } else if ( dir.y < - 0.99999 ) { - - this.quaternion.set( 1, 0, 0, 0 ); - - } else { - - _axis.set( dir.z, 0, - dir.x ).normalize(); - - var radians = Math.acos( dir.y ); - - this.quaternion.setFromAxisAngle( _axis, radians ); - - } - - }; - - ArrowHelper.prototype.setLength = function ( length, headLength, headWidth ) { - - if ( headLength === undefined ) headLength = 0.2 * length; - if ( headWidth === undefined ) headWidth = 0.2 * headLength; - - this.line.scale.set( 1, Math.max( 0, length - headLength ), 1 ); - this.line.updateMatrix(); - - this.cone.scale.set( headWidth, headLength, headWidth ); - this.cone.position.y = length; - this.cone.updateMatrix(); - - }; - - ArrowHelper.prototype.setColor = function ( color ) { - - this.line.material.color.set( color ); - this.cone.material.color.set( color ); - - }; - - ArrowHelper.prototype.copy = function ( source ) { - - Object3D.prototype.copy.call( this, source, false ); - - this.line.copy( source.line ); - this.cone.copy( source.cone ); - - return this; - - }; - - ArrowHelper.prototype.clone = function () { - - return new this.constructor().copy( this ); - - }; - - /** - * @author sroucheray / http://sroucheray.org/ - * @author mrdoob / http://mrdoob.com/ - */ - - function AxesHelper( size ) { - - size = size || 1; - - var vertices = [ - 0, 0, 0, size, 0, 0, - 0, 0, 0, 0, size, 0, - 0, 0, 0, 0, 0, size - ]; - - var colors = [ - 1, 0, 0, 1, 0.6, 0, - 0, 1, 0, 0.6, 1, 0, - 0, 0, 1, 0, 0.6, 1 - ]; - - var geometry = new BufferGeometry(); - geometry.addAttribute( 'position', new Float32BufferAttribute( vertices, 3 ) ); - geometry.addAttribute( 'color', new Float32BufferAttribute( colors, 3 ) ); - - var material = new LineBasicMaterial( { vertexColors: VertexColors } ); - - LineSegments.call( this, geometry, material ); - - } - - AxesHelper.prototype = Object.create( LineSegments.prototype ); - AxesHelper.prototype.constructor = AxesHelper; - - /** - * @author mrdoob / http://mrdoob.com/ - */ - - function Face4( a, b, c, d, normal, color, materialIndex ) { - - console.warn( 'THREE.Face4 has been removed. A THREE.Face3 will be created instead.' ); - return new Face3( a, b, c, normal, color, materialIndex ); - - } - - var LineStrip = 0; - - var LinePieces = 1; - - function MeshFaceMaterial( materials ) { - - console.warn( 'THREE.MeshFaceMaterial has been removed. Use an Array instead.' ); - return materials; - - } - - function MultiMaterial( materials ) { - - if ( materials === undefined ) materials = []; - - console.warn( 'THREE.MultiMaterial has been removed. Use an Array instead.' ); - materials.isMultiMaterial = true; - materials.materials = materials; - materials.clone = function () { - - return materials.slice(); - - }; - return materials; - - } - - function PointCloud( geometry, material ) { - - console.warn( 'THREE.PointCloud has been renamed to THREE.Points.' ); - return new Points( geometry, material ); - - } - - function Particle( material ) { - - console.warn( 'THREE.Particle has been renamed to THREE.Sprite.' ); - return new Sprite( material ); - - } - - function ParticleSystem( geometry, material ) { - - console.warn( 'THREE.ParticleSystem has been renamed to THREE.Points.' ); - return new Points( geometry, material ); - - } - - function PointCloudMaterial( parameters ) { - - console.warn( 'THREE.PointCloudMaterial has been renamed to THREE.PointsMaterial.' ); - return new PointsMaterial( parameters ); - - } - - function ParticleBasicMaterial( parameters ) { - - console.warn( 'THREE.ParticleBasicMaterial has been renamed to THREE.PointsMaterial.' ); - return new PointsMaterial( parameters ); - - } - - function ParticleSystemMaterial( parameters ) { - - console.warn( 'THREE.ParticleSystemMaterial has been renamed to THREE.PointsMaterial.' ); - return new PointsMaterial( parameters ); - - } - - function Vertex( x, y, z ) { - - console.warn( 'THREE.Vertex has been removed. Use THREE.Vector3 instead.' ); - return new Vector3( x, y, z ); - - } - - // - - function DynamicBufferAttribute( array, itemSize ) { - - console.warn( 'THREE.DynamicBufferAttribute has been removed. Use new THREE.BufferAttribute().setDynamic( true ) instead.' ); - return new BufferAttribute( array, itemSize ).setDynamic( true ); - - } - - function Int8Attribute( array, itemSize ) { - - console.warn( 'THREE.Int8Attribute has been removed. Use new THREE.Int8BufferAttribute() instead.' ); - return new Int8BufferAttribute( array, itemSize ); - - } - - function Uint8Attribute( array, itemSize ) { - - console.warn( 'THREE.Uint8Attribute has been removed. Use new THREE.Uint8BufferAttribute() instead.' ); - return new Uint8BufferAttribute( array, itemSize ); - - } - - function Uint8ClampedAttribute( array, itemSize ) { - - console.warn( 'THREE.Uint8ClampedAttribute has been removed. Use new THREE.Uint8ClampedBufferAttribute() instead.' ); - return new Uint8ClampedBufferAttribute( array, itemSize ); - - } - - function Int16Attribute( array, itemSize ) { - - console.warn( 'THREE.Int16Attribute has been removed. Use new THREE.Int16BufferAttribute() instead.' ); - return new Int16BufferAttribute( array, itemSize ); - - } - - function Uint16Attribute( array, itemSize ) { - - console.warn( 'THREE.Uint16Attribute has been removed. Use new THREE.Uint16BufferAttribute() instead.' ); - return new Uint16BufferAttribute( array, itemSize ); - - } - - function Int32Attribute( array, itemSize ) { - - console.warn( 'THREE.Int32Attribute has been removed. Use new THREE.Int32BufferAttribute() instead.' ); - return new Int32BufferAttribute( array, itemSize ); - - } - - function Uint32Attribute( array, itemSize ) { - - console.warn( 'THREE.Uint32Attribute has been removed. Use new THREE.Uint32BufferAttribute() instead.' ); - return new Uint32BufferAttribute( array, itemSize ); - - } - - function Float32Attribute( array, itemSize ) { - - console.warn( 'THREE.Float32Attribute has been removed. Use new THREE.Float32BufferAttribute() instead.' ); - return new Float32BufferAttribute( array, itemSize ); - - } - - function Float64Attribute( array, itemSize ) { - - console.warn( 'THREE.Float64Attribute has been removed. Use new THREE.Float64BufferAttribute() instead.' ); - return new Float64BufferAttribute( array, itemSize ); - - } - - // - - Curve.create = function ( construct, getPoint ) { - - console.log( 'THREE.Curve.create() has been deprecated' ); - - construct.prototype = Object.create( Curve.prototype ); - construct.prototype.constructor = construct; - construct.prototype.getPoint = getPoint; - - return construct; - - }; - - // - - Object.assign( CurvePath.prototype, { - - createPointsGeometry: function ( divisions ) { - - console.warn( 'THREE.CurvePath: .createPointsGeometry() has been removed. Use new THREE.Geometry().setFromPoints( points ) instead.' ); - - // generate geometry from path points (for Line or Points objects) - - var pts = this.getPoints( divisions ); - return this.createGeometry( pts ); - - }, - - createSpacedPointsGeometry: function ( divisions ) { - - console.warn( 'THREE.CurvePath: .createSpacedPointsGeometry() has been removed. Use new THREE.Geometry().setFromPoints( points ) instead.' ); - - // generate geometry from equidistant sampling along the path - - var pts = this.getSpacedPoints( divisions ); - return this.createGeometry( pts ); - - }, - - createGeometry: function ( points ) { - - console.warn( 'THREE.CurvePath: .createGeometry() has been removed. Use new THREE.Geometry().setFromPoints( points ) instead.' ); - - var geometry = new Geometry(); - - for ( var i = 0, l = points.length; i < l; i ++ ) { - - var point = points[ i ]; - geometry.vertices.push( new Vector3( point.x, point.y, point.z || 0 ) ); - - } - - return geometry; - - } - - } ); - - // - - Object.assign( Path.prototype, { - - fromPoints: function ( points ) { - - console.warn( 'THREE.Path: .fromPoints() has been renamed to .setFromPoints().' ); - this.setFromPoints( points ); - - } - - } ); - - // - - function ClosedSplineCurve3( points ) { - - console.warn( 'THREE.ClosedSplineCurve3 has been deprecated. Use THREE.CatmullRomCurve3 instead.' ); - - CatmullRomCurve3.call( this, points ); - this.type = 'catmullrom'; - this.closed = true; - - } - - ClosedSplineCurve3.prototype = Object.create( CatmullRomCurve3.prototype ); - - // - - function SplineCurve3( points ) { - - console.warn( 'THREE.SplineCurve3 has been deprecated. Use THREE.CatmullRomCurve3 instead.' ); - - CatmullRomCurve3.call( this, points ); - this.type = 'catmullrom'; - - } - - SplineCurve3.prototype = Object.create( CatmullRomCurve3.prototype ); - - // - - function Spline( points ) { - - console.warn( 'THREE.Spline has been removed. Use THREE.CatmullRomCurve3 instead.' ); - - CatmullRomCurve3.call( this, points ); - this.type = 'catmullrom'; - - } - - Spline.prototype = Object.create( CatmullRomCurve3.prototype ); - - Object.assign( Spline.prototype, { - - initFromArray: function ( /* a */ ) { - - console.error( 'THREE.Spline: .initFromArray() has been removed.' ); - - }, - getControlPointsArray: function ( /* optionalTarget */ ) { - - console.error( 'THREE.Spline: .getControlPointsArray() has been removed.' ); - - }, - reparametrizeByArcLength: function ( /* samplingCoef */ ) { - - console.error( 'THREE.Spline: .reparametrizeByArcLength() has been removed.' ); - - } - - } ); - - // - - function AxisHelper( size ) { - - console.warn( 'THREE.AxisHelper has been renamed to THREE.AxesHelper.' ); - return new AxesHelper( size ); - - } - - function BoundingBoxHelper( object, color ) { - - console.warn( 'THREE.BoundingBoxHelper has been deprecated. Creating a THREE.BoxHelper instead.' ); - return new BoxHelper( object, color ); - - } - - function EdgesHelper( object, hex ) { - - console.warn( 'THREE.EdgesHelper has been removed. Use THREE.EdgesGeometry instead.' ); - return new LineSegments( new EdgesGeometry( object.geometry ), new LineBasicMaterial( { color: hex !== undefined ? hex : 0xffffff } ) ); - - } - - GridHelper.prototype.setColors = function () { - - console.error( 'THREE.GridHelper: setColors() has been deprecated, pass them in the constructor instead.' ); - - }; - - SkeletonHelper.prototype.update = function () { - - console.error( 'THREE.SkeletonHelper: update() no longer needs to be called.' ); - - }; - - function WireframeHelper( object, hex ) { - - console.warn( 'THREE.WireframeHelper has been removed. Use THREE.WireframeGeometry instead.' ); - return new LineSegments( new WireframeGeometry( object.geometry ), new LineBasicMaterial( { color: hex !== undefined ? hex : 0xffffff } ) ); - - } - - // - - Object.assign( Loader.prototype, { - - extractUrlBase: function ( url ) { - - console.warn( 'THREE.Loader: .extractUrlBase() has been deprecated. Use THREE.LoaderUtils.extractUrlBase() instead.' ); - return LoaderUtils.extractUrlBase( url ); - - } - - } ); - - function XHRLoader( manager ) { - - console.warn( 'THREE.XHRLoader has been renamed to THREE.FileLoader.' ); - return new FileLoader( manager ); - - } - - function BinaryTextureLoader( manager ) { - - console.warn( 'THREE.BinaryTextureLoader has been renamed to THREE.DataTextureLoader.' ); - return new DataTextureLoader( manager ); - - } - - Object.assign( ObjectLoader.prototype, { - - setTexturePath: function ( value ) { - - console.warn( 'THREE.ObjectLoader: .setTexturePath() has been renamed to .setResourcePath().' ); - return this.setResourcePath( value ); - - } - - } ); - - // - - Object.assign( Box2.prototype, { - - center: function ( optionalTarget ) { - - console.warn( 'THREE.Box2: .center() has been renamed to .getCenter().' ); - return this.getCenter( optionalTarget ); - - }, - empty: function () { - - console.warn( 'THREE.Box2: .empty() has been renamed to .isEmpty().' ); - return this.isEmpty(); - - }, - isIntersectionBox: function ( box ) { - - console.warn( 'THREE.Box2: .isIntersectionBox() has been renamed to .intersectsBox().' ); - return this.intersectsBox( box ); - - }, - size: function ( optionalTarget ) { - - console.warn( 'THREE.Box2: .size() has been renamed to .getSize().' ); - return this.getSize( optionalTarget ); - - } - } ); - - Object.assign( Box3.prototype, { - - center: function ( optionalTarget ) { - - console.warn( 'THREE.Box3: .center() has been renamed to .getCenter().' ); - return this.getCenter( optionalTarget ); - - }, - empty: function () { - - console.warn( 'THREE.Box3: .empty() has been renamed to .isEmpty().' ); - return this.isEmpty(); - - }, - isIntersectionBox: function ( box ) { - - console.warn( 'THREE.Box3: .isIntersectionBox() has been renamed to .intersectsBox().' ); - return this.intersectsBox( box ); - - }, - isIntersectionSphere: function ( sphere ) { - - console.warn( 'THREE.Box3: .isIntersectionSphere() has been renamed to .intersectsSphere().' ); - return this.intersectsSphere( sphere ); - - }, - size: function ( optionalTarget ) { - - console.warn( 'THREE.Box3: .size() has been renamed to .getSize().' ); - return this.getSize( optionalTarget ); - - } - } ); - - Line3.prototype.center = function ( optionalTarget ) { - - console.warn( 'THREE.Line3: .center() has been renamed to .getCenter().' ); - return this.getCenter( optionalTarget ); - - }; - - Object.assign( _Math, { - - random16: function () { - - console.warn( 'THREE.Math: .random16() has been deprecated. Use Math.random() instead.' ); - return Math.random(); - - }, - - nearestPowerOfTwo: function ( value ) { - - console.warn( 'THREE.Math: .nearestPowerOfTwo() has been renamed to .floorPowerOfTwo().' ); - return _Math.floorPowerOfTwo( value ); - - }, - - nextPowerOfTwo: function ( value ) { - - console.warn( 'THREE.Math: .nextPowerOfTwo() has been renamed to .ceilPowerOfTwo().' ); - return _Math.ceilPowerOfTwo( value ); - - } - - } ); - - Object.assign( Matrix3.prototype, { - - flattenToArrayOffset: function ( array, offset ) { - - console.warn( "THREE.Matrix3: .flattenToArrayOffset() has been deprecated. Use .toArray() instead." ); - return this.toArray( array, offset ); - - }, - multiplyVector3: function ( vector ) { - - console.warn( 'THREE.Matrix3: .multiplyVector3() has been removed. Use vector.applyMatrix3( matrix ) instead.' ); - return vector.applyMatrix3( this ); - - }, - multiplyVector3Array: function ( /* a */ ) { - - console.error( 'THREE.Matrix3: .multiplyVector3Array() has been removed.' ); - - }, - applyToBuffer: function ( buffer /*, offset, length */ ) { - - console.warn( 'THREE.Matrix3: .applyToBuffer() has been removed. Use matrix.applyToBufferAttribute( attribute ) instead.' ); - return this.applyToBufferAttribute( buffer ); - - }, - applyToVector3Array: function ( /* array, offset, length */ ) { - - console.error( 'THREE.Matrix3: .applyToVector3Array() has been removed.' ); - - } - - } ); - - Object.assign( Matrix4.prototype, { - - extractPosition: function ( m ) { - - console.warn( 'THREE.Matrix4: .extractPosition() has been renamed to .copyPosition().' ); - return this.copyPosition( m ); - - }, - flattenToArrayOffset: function ( array, offset ) { - - console.warn( "THREE.Matrix4: .flattenToArrayOffset() has been deprecated. Use .toArray() instead." ); - return this.toArray( array, offset ); - - }, - getPosition: function () { - - console.warn( 'THREE.Matrix4: .getPosition() has been removed. Use Vector3.setFromMatrixPosition( matrix ) instead.' ); - return new Vector3().setFromMatrixColumn( this, 3 ); - - }, - setRotationFromQuaternion: function ( q ) { - - console.warn( 'THREE.Matrix4: .setRotationFromQuaternion() has been renamed to .makeRotationFromQuaternion().' ); - return this.makeRotationFromQuaternion( q ); - - }, - multiplyToArray: function () { - - console.warn( 'THREE.Matrix4: .multiplyToArray() has been removed.' ); - - }, - multiplyVector3: function ( vector ) { - - console.warn( 'THREE.Matrix4: .multiplyVector3() has been removed. Use vector.applyMatrix4( matrix ) instead.' ); - return vector.applyMatrix4( this ); - - }, - multiplyVector4: function ( vector ) { - - console.warn( 'THREE.Matrix4: .multiplyVector4() has been removed. Use vector.applyMatrix4( matrix ) instead.' ); - return vector.applyMatrix4( this ); - - }, - multiplyVector3Array: function ( /* a */ ) { - - console.error( 'THREE.Matrix4: .multiplyVector3Array() has been removed.' ); - - }, - rotateAxis: function ( v ) { - - console.warn( 'THREE.Matrix4: .rotateAxis() has been removed. Use Vector3.transformDirection( matrix ) instead.' ); - v.transformDirection( this ); - - }, - crossVector: function ( vector ) { - - console.warn( 'THREE.Matrix4: .crossVector() has been removed. Use vector.applyMatrix4( matrix ) instead.' ); - return vector.applyMatrix4( this ); - - }, - translate: function () { - - console.error( 'THREE.Matrix4: .translate() has been removed.' ); - - }, - rotateX: function () { - - console.error( 'THREE.Matrix4: .rotateX() has been removed.' ); - - }, - rotateY: function () { - - console.error( 'THREE.Matrix4: .rotateY() has been removed.' ); - - }, - rotateZ: function () { - - console.error( 'THREE.Matrix4: .rotateZ() has been removed.' ); - - }, - rotateByAxis: function () { - - console.error( 'THREE.Matrix4: .rotateByAxis() has been removed.' ); - - }, - applyToBuffer: function ( buffer /*, offset, length */ ) { - - console.warn( 'THREE.Matrix4: .applyToBuffer() has been removed. Use matrix.applyToBufferAttribute( attribute ) instead.' ); - return this.applyToBufferAttribute( buffer ); - - }, - applyToVector3Array: function ( /* array, offset, length */ ) { - - console.error( 'THREE.Matrix4: .applyToVector3Array() has been removed.' ); - - }, - makeFrustum: function ( left, right, bottom, top, near, far ) { - - console.warn( 'THREE.Matrix4: .makeFrustum() has been removed. Use .makePerspective( left, right, top, bottom, near, far ) instead.' ); - return this.makePerspective( left, right, top, bottom, near, far ); - - } - - } ); - - Plane.prototype.isIntersectionLine = function ( line ) { - - console.warn( 'THREE.Plane: .isIntersectionLine() has been renamed to .intersectsLine().' ); - return this.intersectsLine( line ); - - }; - - Quaternion.prototype.multiplyVector3 = function ( vector ) { - - console.warn( 'THREE.Quaternion: .multiplyVector3() has been removed. Use is now vector.applyQuaternion( quaternion ) instead.' ); - return vector.applyQuaternion( this ); - - }; - - Object.assign( Ray.prototype, { - - isIntersectionBox: function ( box ) { - - console.warn( 'THREE.Ray: .isIntersectionBox() has been renamed to .intersectsBox().' ); - return this.intersectsBox( box ); - - }, - isIntersectionPlane: function ( plane ) { - - console.warn( 'THREE.Ray: .isIntersectionPlane() has been renamed to .intersectsPlane().' ); - return this.intersectsPlane( plane ); - - }, - isIntersectionSphere: function ( sphere ) { - - console.warn( 'THREE.Ray: .isIntersectionSphere() has been renamed to .intersectsSphere().' ); - return this.intersectsSphere( sphere ); - - } - - } ); - - Object.assign( Triangle.prototype, { - - area: function () { - - console.warn( 'THREE.Triangle: .area() has been renamed to .getArea().' ); - return this.getArea(); - - }, - barycoordFromPoint: function ( point, target ) { - - console.warn( 'THREE.Triangle: .barycoordFromPoint() has been renamed to .getBarycoord().' ); - return this.getBarycoord( point, target ); - - }, - midpoint: function ( target ) { - - console.warn( 'THREE.Triangle: .midpoint() has been renamed to .getMidpoint().' ); - return this.getMidpoint( target ); - - }, - normal: function ( target ) { - - console.warn( 'THREE.Triangle: .normal() has been renamed to .getNormal().' ); - return this.getNormal( target ); - - }, - plane: function ( target ) { - - console.warn( 'THREE.Triangle: .plane() has been renamed to .getPlane().' ); - return this.getPlane( target ); - - } - - } ); - - Object.assign( Triangle, { - - barycoordFromPoint: function ( point, a, b, c, target ) { - - console.warn( 'THREE.Triangle: .barycoordFromPoint() has been renamed to .getBarycoord().' ); - return Triangle.getBarycoord( point, a, b, c, target ); - - }, - normal: function ( a, b, c, target ) { - - console.warn( 'THREE.Triangle: .normal() has been renamed to .getNormal().' ); - return Triangle.getNormal( a, b, c, target ); - - } - - } ); - - Object.assign( Shape.prototype, { - - extractAllPoints: function ( divisions ) { - - console.warn( 'THREE.Shape: .extractAllPoints() has been removed. Use .extractPoints() instead.' ); - return this.extractPoints( divisions ); - - }, - extrude: function ( options ) { - - console.warn( 'THREE.Shape: .extrude() has been removed. Use ExtrudeGeometry() instead.' ); - return new ExtrudeGeometry( this, options ); - - }, - makeGeometry: function ( options ) { - - console.warn( 'THREE.Shape: .makeGeometry() has been removed. Use ShapeGeometry() instead.' ); - return new ShapeGeometry( this, options ); - - } - - } ); - - Object.assign( Vector2.prototype, { - - fromAttribute: function ( attribute, index, offset ) { - - console.warn( 'THREE.Vector2: .fromAttribute() has been renamed to .fromBufferAttribute().' ); - return this.fromBufferAttribute( attribute, index, offset ); - - }, - distanceToManhattan: function ( v ) { - - console.warn( 'THREE.Vector2: .distanceToManhattan() has been renamed to .manhattanDistanceTo().' ); - return this.manhattanDistanceTo( v ); - - }, - lengthManhattan: function () { - - console.warn( 'THREE.Vector2: .lengthManhattan() has been renamed to .manhattanLength().' ); - return this.manhattanLength(); - - } - - } ); - - Object.assign( Vector3.prototype, { - - setEulerFromRotationMatrix: function () { - - console.error( 'THREE.Vector3: .setEulerFromRotationMatrix() has been removed. Use Euler.setFromRotationMatrix() instead.' ); - - }, - setEulerFromQuaternion: function () { - - console.error( 'THREE.Vector3: .setEulerFromQuaternion() has been removed. Use Euler.setFromQuaternion() instead.' ); - - }, - getPositionFromMatrix: function ( m ) { - - console.warn( 'THREE.Vector3: .getPositionFromMatrix() has been renamed to .setFromMatrixPosition().' ); - return this.setFromMatrixPosition( m ); - - }, - getScaleFromMatrix: function ( m ) { - - console.warn( 'THREE.Vector3: .getScaleFromMatrix() has been renamed to .setFromMatrixScale().' ); - return this.setFromMatrixScale( m ); - - }, - getColumnFromMatrix: function ( index, matrix ) { - - console.warn( 'THREE.Vector3: .getColumnFromMatrix() has been renamed to .setFromMatrixColumn().' ); - return this.setFromMatrixColumn( matrix, index ); - - }, - applyProjection: function ( m ) { - - console.warn( 'THREE.Vector3: .applyProjection() has been removed. Use .applyMatrix4( m ) instead.' ); - return this.applyMatrix4( m ); - - }, - fromAttribute: function ( attribute, index, offset ) { - - console.warn( 'THREE.Vector3: .fromAttribute() has been renamed to .fromBufferAttribute().' ); - return this.fromBufferAttribute( attribute, index, offset ); - - }, - distanceToManhattan: function ( v ) { - - console.warn( 'THREE.Vector3: .distanceToManhattan() has been renamed to .manhattanDistanceTo().' ); - return this.manhattanDistanceTo( v ); - - }, - lengthManhattan: function () { - - console.warn( 'THREE.Vector3: .lengthManhattan() has been renamed to .manhattanLength().' ); - return this.manhattanLength(); - - } - - } ); - - Object.assign( Vector4.prototype, { - - fromAttribute: function ( attribute, index, offset ) { - - console.warn( 'THREE.Vector4: .fromAttribute() has been renamed to .fromBufferAttribute().' ); - return this.fromBufferAttribute( attribute, index, offset ); - - }, - lengthManhattan: function () { - - console.warn( 'THREE.Vector4: .lengthManhattan() has been renamed to .manhattanLength().' ); - return this.manhattanLength(); - - } - - } ); - - // - - Object.assign( Geometry.prototype, { - - computeTangents: function () { - - console.error( 'THREE.Geometry: .computeTangents() has been removed.' ); - - }, - computeLineDistances: function () { - - console.error( 'THREE.Geometry: .computeLineDistances() has been removed. Use THREE.Line.computeLineDistances() instead.' ); - - } - - } ); - - Object.assign( Object3D.prototype, { - - getChildByName: function ( name ) { - - console.warn( 'THREE.Object3D: .getChildByName() has been renamed to .getObjectByName().' ); - return this.getObjectByName( name ); - - }, - renderDepth: function () { - - console.warn( 'THREE.Object3D: .renderDepth has been removed. Use .renderOrder, instead.' ); - - }, - translate: function ( distance, axis ) { - - console.warn( 'THREE.Object3D: .translate() has been removed. Use .translateOnAxis( axis, distance ) instead.' ); - return this.translateOnAxis( axis, distance ); - - }, - getWorldRotation: function () { - - console.error( 'THREE.Object3D: .getWorldRotation() has been removed. Use THREE.Object3D.getWorldQuaternion( target ) instead.' ); - - } - - } ); - - Object.defineProperties( Object3D.prototype, { - - eulerOrder: { - get: function () { - - console.warn( 'THREE.Object3D: .eulerOrder is now .rotation.order.' ); - return this.rotation.order; - - }, - set: function ( value ) { - - console.warn( 'THREE.Object3D: .eulerOrder is now .rotation.order.' ); - this.rotation.order = value; - - } - }, - useQuaternion: { - get: function () { - - console.warn( 'THREE.Object3D: .useQuaternion has been removed. The library now uses quaternions by default.' ); - - }, - set: function () { - - console.warn( 'THREE.Object3D: .useQuaternion has been removed. The library now uses quaternions by default.' ); - - } - } - - } ); - - Object.defineProperties( LOD.prototype, { - - objects: { - get: function () { - - console.warn( 'THREE.LOD: .objects has been renamed to .levels.' ); - return this.levels; - - } - } - - } ); - - Object.defineProperty( Skeleton.prototype, 'useVertexTexture', { - - get: function () { - - console.warn( 'THREE.Skeleton: useVertexTexture has been removed.' ); - - }, - set: function () { - - console.warn( 'THREE.Skeleton: useVertexTexture has been removed.' ); - - } - - } ); - - SkinnedMesh.prototype.initBones = function () { - - console.error( 'THREE.SkinnedMesh: initBones() has been removed.' ); - - }; - - Object.defineProperty( Curve.prototype, '__arcLengthDivisions', { - - get: function () { - - console.warn( 'THREE.Curve: .__arcLengthDivisions is now .arcLengthDivisions.' ); - return this.arcLengthDivisions; - - }, - set: function ( value ) { - - console.warn( 'THREE.Curve: .__arcLengthDivisions is now .arcLengthDivisions.' ); - this.arcLengthDivisions = value; - - } - - } ); - - // - - PerspectiveCamera.prototype.setLens = function ( focalLength, filmGauge ) { - - console.warn( "THREE.PerspectiveCamera.setLens is deprecated. " + - "Use .setFocalLength and .filmGauge for a photographic setup." ); - - if ( filmGauge !== undefined ) this.filmGauge = filmGauge; - this.setFocalLength( focalLength ); - - }; - - // - - Object.defineProperties( Light.prototype, { - onlyShadow: { - set: function () { - - console.warn( 'THREE.Light: .onlyShadow has been removed.' ); - - } - }, - shadowCameraFov: { - set: function ( value ) { - - console.warn( 'THREE.Light: .shadowCameraFov is now .shadow.camera.fov.' ); - this.shadow.camera.fov = value; - - } - }, - shadowCameraLeft: { - set: function ( value ) { - - console.warn( 'THREE.Light: .shadowCameraLeft is now .shadow.camera.left.' ); - this.shadow.camera.left = value; - - } - }, - shadowCameraRight: { - set: function ( value ) { - - console.warn( 'THREE.Light: .shadowCameraRight is now .shadow.camera.right.' ); - this.shadow.camera.right = value; - - } - }, - shadowCameraTop: { - set: function ( value ) { - - console.warn( 'THREE.Light: .shadowCameraTop is now .shadow.camera.top.' ); - this.shadow.camera.top = value; - - } - }, - shadowCameraBottom: { - set: function ( value ) { - - console.warn( 'THREE.Light: .shadowCameraBottom is now .shadow.camera.bottom.' ); - this.shadow.camera.bottom = value; - - } - }, - shadowCameraNear: { - set: function ( value ) { - - console.warn( 'THREE.Light: .shadowCameraNear is now .shadow.camera.near.' ); - this.shadow.camera.near = value; - - } - }, - shadowCameraFar: { - set: function ( value ) { - - console.warn( 'THREE.Light: .shadowCameraFar is now .shadow.camera.far.' ); - this.shadow.camera.far = value; - - } - }, - shadowCameraVisible: { - set: function () { - - console.warn( 'THREE.Light: .shadowCameraVisible has been removed. Use new THREE.CameraHelper( light.shadow.camera ) instead.' ); - - } - }, - shadowBias: { - set: function ( value ) { - - console.warn( 'THREE.Light: .shadowBias is now .shadow.bias.' ); - this.shadow.bias = value; - - } - }, - shadowDarkness: { - set: function () { - - console.warn( 'THREE.Light: .shadowDarkness has been removed.' ); - - } - }, - shadowMapWidth: { - set: function ( value ) { - - console.warn( 'THREE.Light: .shadowMapWidth is now .shadow.mapSize.width.' ); - this.shadow.mapSize.width = value; - - } - }, - shadowMapHeight: { - set: function ( value ) { - - console.warn( 'THREE.Light: .shadowMapHeight is now .shadow.mapSize.height.' ); - this.shadow.mapSize.height = value; - - } - } - } ); - - // - - Object.defineProperties( BufferAttribute.prototype, { - - length: { - get: function () { - - console.warn( 'THREE.BufferAttribute: .length has been deprecated. Use .count instead.' ); - return this.array.length; - - } - }, - copyIndicesArray: function ( /* indices */ ) { - - console.error( 'THREE.BufferAttribute: .copyIndicesArray() has been removed.' ); - - } - - } ); - - Object.assign( BufferGeometry.prototype, { - - addIndex: function ( index ) { - - console.warn( 'THREE.BufferGeometry: .addIndex() has been renamed to .setIndex().' ); - this.setIndex( index ); - - }, - addDrawCall: function ( start, count, indexOffset ) { - - if ( indexOffset !== undefined ) { - - console.warn( 'THREE.BufferGeometry: .addDrawCall() no longer supports indexOffset.' ); - - } - console.warn( 'THREE.BufferGeometry: .addDrawCall() is now .addGroup().' ); - this.addGroup( start, count ); - - }, - clearDrawCalls: function () { - - console.warn( 'THREE.BufferGeometry: .clearDrawCalls() is now .clearGroups().' ); - this.clearGroups(); - - }, - computeTangents: function () { - - console.warn( 'THREE.BufferGeometry: .computeTangents() has been removed.' ); - - }, - computeOffsets: function () { - - console.warn( 'THREE.BufferGeometry: .computeOffsets() has been removed.' ); - - } - - } ); - - Object.defineProperties( BufferGeometry.prototype, { - - drawcalls: { - get: function () { - - console.error( 'THREE.BufferGeometry: .drawcalls has been renamed to .groups.' ); - return this.groups; - - } - }, - offsets: { - get: function () { - - console.warn( 'THREE.BufferGeometry: .offsets has been renamed to .groups.' ); - return this.groups; - - } - } - - } ); - - // - - Object.assign( ExtrudeBufferGeometry.prototype, { - - getArrays: function () { - - console.error( 'THREE.ExtrudeBufferGeometry: .getArrays() has been removed.' ); - - }, - - addShapeList: function () { - - console.error( 'THREE.ExtrudeBufferGeometry: .addShapeList() has been removed.' ); - - }, - - addShape: function () { - - console.error( 'THREE.ExtrudeBufferGeometry: .addShape() has been removed.' ); - - } - - } ); - - // - - Object.defineProperties( Uniform.prototype, { - - dynamic: { - set: function () { - - console.warn( 'THREE.Uniform: .dynamic has been removed. Use object.onBeforeRender() instead.' ); - - } - }, - onUpdate: { - value: function () { - - console.warn( 'THREE.Uniform: .onUpdate() has been removed. Use object.onBeforeRender() instead.' ); - return this; - - } - } - - } ); - - // - - Object.defineProperties( Material.prototype, { - - wrapAround: { - get: function () { - - console.warn( 'THREE.Material: .wrapAround has been removed.' ); - - }, - set: function () { - - console.warn( 'THREE.Material: .wrapAround has been removed.' ); - - } - }, - - overdraw: { - get: function () { - - console.warn( 'THREE.Material: .overdraw has been removed.' ); - - }, - set: function () { - - console.warn( 'THREE.Material: .overdraw has been removed.' ); - - } - }, - - wrapRGB: { - get: function () { - - console.warn( 'THREE.Material: .wrapRGB has been removed.' ); - return new Color(); - - } - }, - - shading: { - get: function () { - - console.error( 'THREE.' + this.type + ': .shading has been removed. Use the boolean .flatShading instead.' ); - - }, - set: function ( value ) { - - console.warn( 'THREE.' + this.type + ': .shading has been removed. Use the boolean .flatShading instead.' ); - this.flatShading = ( value === FlatShading ); - - } - } - - } ); - - Object.defineProperties( MeshPhongMaterial.prototype, { - - metal: { - get: function () { - - console.warn( 'THREE.MeshPhongMaterial: .metal has been removed. Use THREE.MeshStandardMaterial instead.' ); - return false; - - }, - set: function () { - - console.warn( 'THREE.MeshPhongMaterial: .metal has been removed. Use THREE.MeshStandardMaterial instead' ); - - } - } - - } ); - - Object.defineProperties( ShaderMaterial.prototype, { - - derivatives: { - get: function () { - - console.warn( 'THREE.ShaderMaterial: .derivatives has been moved to .extensions.derivatives.' ); - return this.extensions.derivatives; - - }, - set: function ( value ) { - - console.warn( 'THREE. ShaderMaterial: .derivatives has been moved to .extensions.derivatives.' ); - this.extensions.derivatives = value; - - } - } - - } ); - - // - - Object.assign( WebGLRenderer.prototype, { - - clearTarget: function ( renderTarget, color, depth, stencil ) { - - console.warn( 'THREE.WebGLRenderer: .clearTarget() has been deprecated. Use .setRenderTarget() and .clear() instead.' ); - this.setRenderTarget( renderTarget ); - this.clear( color, depth, stencil ); - - }, - animate: function ( callback ) { - - console.warn( 'THREE.WebGLRenderer: .animate() is now .setAnimationLoop().' ); - this.setAnimationLoop( callback ); - - }, - getCurrentRenderTarget: function () { - - console.warn( 'THREE.WebGLRenderer: .getCurrentRenderTarget() is now .getRenderTarget().' ); - return this.getRenderTarget(); - - }, - getMaxAnisotropy: function () { - - console.warn( 'THREE.WebGLRenderer: .getMaxAnisotropy() is now .capabilities.getMaxAnisotropy().' ); - return this.capabilities.getMaxAnisotropy(); - - }, - getPrecision: function () { - - console.warn( 'THREE.WebGLRenderer: .getPrecision() is now .capabilities.precision.' ); - return this.capabilities.precision; - - }, - resetGLState: function () { - - console.warn( 'THREE.WebGLRenderer: .resetGLState() is now .state.reset().' ); - return this.state.reset(); - - }, - supportsFloatTextures: function () { - - console.warn( 'THREE.WebGLRenderer: .supportsFloatTextures() is now .extensions.get( \'OES_texture_float\' ).' ); - return this.extensions.get( 'OES_texture_float' ); - - }, - supportsHalfFloatTextures: function () { - - console.warn( 'THREE.WebGLRenderer: .supportsHalfFloatTextures() is now .extensions.get( \'OES_texture_half_float\' ).' ); - return this.extensions.get( 'OES_texture_half_float' ); - - }, - supportsStandardDerivatives: function () { - - console.warn( 'THREE.WebGLRenderer: .supportsStandardDerivatives() is now .extensions.get( \'OES_standard_derivatives\' ).' ); - return this.extensions.get( 'OES_standard_derivatives' ); - - }, - supportsCompressedTextureS3TC: function () { - - console.warn( 'THREE.WebGLRenderer: .supportsCompressedTextureS3TC() is now .extensions.get( \'WEBGL_compressed_texture_s3tc\' ).' ); - return this.extensions.get( 'WEBGL_compressed_texture_s3tc' ); - - }, - supportsCompressedTexturePVRTC: function () { - - console.warn( 'THREE.WebGLRenderer: .supportsCompressedTexturePVRTC() is now .extensions.get( \'WEBGL_compressed_texture_pvrtc\' ).' ); - return this.extensions.get( 'WEBGL_compressed_texture_pvrtc' ); - - }, - supportsBlendMinMax: function () { - - console.warn( 'THREE.WebGLRenderer: .supportsBlendMinMax() is now .extensions.get( \'EXT_blend_minmax\' ).' ); - return this.extensions.get( 'EXT_blend_minmax' ); - - }, - supportsVertexTextures: function () { - - console.warn( 'THREE.WebGLRenderer: .supportsVertexTextures() is now .capabilities.vertexTextures.' ); - return this.capabilities.vertexTextures; - - }, - supportsInstancedArrays: function () { - - console.warn( 'THREE.WebGLRenderer: .supportsInstancedArrays() is now .extensions.get( \'ANGLE_instanced_arrays\' ).' ); - return this.extensions.get( 'ANGLE_instanced_arrays' ); - - }, - enableScissorTest: function ( boolean ) { - - console.warn( 'THREE.WebGLRenderer: .enableScissorTest() is now .setScissorTest().' ); - this.setScissorTest( boolean ); - - }, - initMaterial: function () { - - console.warn( 'THREE.WebGLRenderer: .initMaterial() has been removed.' ); - - }, - addPrePlugin: function () { - - console.warn( 'THREE.WebGLRenderer: .addPrePlugin() has been removed.' ); - - }, - addPostPlugin: function () { - - console.warn( 'THREE.WebGLRenderer: .addPostPlugin() has been removed.' ); - - }, - updateShadowMap: function () { - - console.warn( 'THREE.WebGLRenderer: .updateShadowMap() has been removed.' ); - - }, - setFaceCulling: function () { - - console.warn( 'THREE.WebGLRenderer: .setFaceCulling() has been removed.' ); - - }, - allocTextureUnit: function () { - - console.warn( 'THREE.WebGLRenderer: .allocTextureUnit() has been removed.' ); - - }, - setTexture: function () { - - console.warn( 'THREE.WebGLRenderer: .setTexture() has been removed.' ); - - }, - setTexture2D: function () { - - console.warn( 'THREE.WebGLRenderer: .setTexture2D() has been removed.' ); - - }, - setTextureCube: function () { - - console.warn( 'THREE.WebGLRenderer: .setTextureCube() has been removed.' ); - - }, - getActiveMipMapLevel: function () { - - console.warn( 'THREE.WebGLRenderer: .getActiveMipMapLevel() is now .getActiveMipmapLevel().' ); - return this.getActiveMipmapLevel(); - - } - - } ); - - Object.defineProperties( WebGLRenderer.prototype, { - - shadowMapEnabled: { - get: function () { - - return this.shadowMap.enabled; - - }, - set: function ( value ) { - - console.warn( 'THREE.WebGLRenderer: .shadowMapEnabled is now .shadowMap.enabled.' ); - this.shadowMap.enabled = value; - - } - }, - shadowMapType: { - get: function () { - - return this.shadowMap.type; - - }, - set: function ( value ) { - - console.warn( 'THREE.WebGLRenderer: .shadowMapType is now .shadowMap.type.' ); - this.shadowMap.type = value; - - } - }, - shadowMapCullFace: { - get: function () { - - console.warn( 'THREE.WebGLRenderer: .shadowMapCullFace has been removed. Set Material.shadowSide instead.' ); - return undefined; - - }, - set: function ( /* value */ ) { - - console.warn( 'THREE.WebGLRenderer: .shadowMapCullFace has been removed. Set Material.shadowSide instead.' ); - - } - }, - context: { - get: function () { - - console.warn( 'THREE.WebGLRenderer: .context has been removed. Use .getContext() instead.' ); - return this.getContext(); - - } - } - - } ); - - Object.defineProperties( WebGLShadowMap.prototype, { - - cullFace: { - get: function () { - - console.warn( 'THREE.WebGLRenderer: .shadowMap.cullFace has been removed. Set Material.shadowSide instead.' ); - return undefined; - - }, - set: function ( /* cullFace */ ) { - - console.warn( 'THREE.WebGLRenderer: .shadowMap.cullFace has been removed. Set Material.shadowSide instead.' ); - - } - }, - renderReverseSided: { - get: function () { - - console.warn( 'THREE.WebGLRenderer: .shadowMap.renderReverseSided has been removed. Set Material.shadowSide instead.' ); - return undefined; - - }, - set: function () { - - console.warn( 'THREE.WebGLRenderer: .shadowMap.renderReverseSided has been removed. Set Material.shadowSide instead.' ); - - } - }, - renderSingleSided: { - get: function () { - - console.warn( 'THREE.WebGLRenderer: .shadowMap.renderSingleSided has been removed. Set Material.shadowSide instead.' ); - return undefined; - - }, - set: function () { - - console.warn( 'THREE.WebGLRenderer: .shadowMap.renderSingleSided has been removed. Set Material.shadowSide instead.' ); - - } - } - - } ); - - // - - Object.defineProperties( WebGLRenderTargetCube.prototype, { - - activeCubeFace: { - set: function ( /* value */ ) { - - console.warn( 'THREE.WebGLRenderTargetCube: .activeCubeFace has been removed. It is now the second parameter of WebGLRenderer.setRenderTarget().' ); - - } - }, - activeMipMapLevel: { - set: function ( /* value */ ) { - - console.warn( 'THREE.WebGLRenderTargetCube: .activeMipMapLevel has been removed. It is now the third parameter of WebGLRenderer.setRenderTarget().' ); - - } - } - - } ); + * + * parameters = { + * color: , + * opacity: , + * + * linewidth: , + * + * scale: , + * dashSize: , + * gapSize: + * } + */function LineDashedMaterial(parameters){LineBasicMaterial.call(this);this.type='LineDashedMaterial';this.scale=1;this.dashSize=3;this.gapSize=1;this.setValues(parameters);}LineDashedMaterial.prototype=Object.create(LineBasicMaterial.prototype);LineDashedMaterial.prototype.constructor=LineDashedMaterial;LineDashedMaterial.prototype.isLineDashedMaterial=true;LineDashedMaterial.prototype.copy=function(source){LineBasicMaterial.prototype.copy.call(this,source);this.scale=source.scale;this.dashSize=source.dashSize;this.gapSize=source.gapSize;return this;};var Materials=/*#__PURE__*/Object.freeze({__proto__:null,ShadowMaterial:ShadowMaterial,SpriteMaterial:SpriteMaterial,RawShaderMaterial:RawShaderMaterial,ShaderMaterial:ShaderMaterial,PointsMaterial:PointsMaterial,MeshPhysicalMaterial:MeshPhysicalMaterial,MeshStandardMaterial:MeshStandardMaterial,MeshPhongMaterial:MeshPhongMaterial,MeshToonMaterial:MeshToonMaterial,MeshNormalMaterial:MeshNormalMaterial,MeshLambertMaterial:MeshLambertMaterial,MeshDepthMaterial:MeshDepthMaterial,MeshDistanceMaterial:MeshDistanceMaterial,MeshBasicMaterial:MeshBasicMaterial,MeshMatcapMaterial:MeshMatcapMaterial,LineDashedMaterial:LineDashedMaterial,LineBasicMaterial:LineBasicMaterial,Material:Material});/** + * @author tschw + * @author Ben Houston / http://clara.io/ + * @author David Sarno / http://lighthaus.us/ + */var AnimationUtils={// same as Array.prototype.slice, but also works on typed arrays + arraySlice:function arraySlice(array,from,to){if(AnimationUtils.isTypedArray(array)){// in ios9 array.subarray(from, undefined) will return empty array + // but array.subarray(from) or array.subarray(from, len) is correct + return new array.constructor(array.subarray(from,to!==undefined?to:array.length));}return array.slice(from,to);},// converts an array to a specific type + convertArray:function convertArray(array,type,forceClone){if(!array||// let 'undefined' and 'null' pass + !forceClone&&array.constructor===type)return array;if(typeof type.BYTES_PER_ELEMENT==='number'){return new type(array);// create typed array + }return Array.prototype.slice.call(array);// create Array + },isTypedArray:function isTypedArray(object){return ArrayBuffer.isView(object)&&!(object instanceof DataView);},// returns an array by which times and values can be sorted + getKeyframeOrder:function getKeyframeOrder(times){function compareTime(i,j){return times[i]-times[j];}var n=times.length;var result=new Array(n);for(var i=0;i!==n;++i){result[i]=i;}result.sort(compareTime);return result;},// uses the array previously returned by 'getKeyframeOrder' to sort data + sortedArray:function sortedArray(values,stride,order){var nValues=values.length;var result=new values.constructor(nValues);for(var i=0,dstOffset=0;dstOffset!==nValues;++i){var srcOffset=order[i]*stride;for(var j=0;j!==stride;++j){result[dstOffset++]=values[srcOffset+j];}}return result;},// function for parsing AOS keyframe formats + flattenJSON:function flattenJSON(jsonKeys,times,values,valuePropertyName){var i=1,key=jsonKeys[0];while(key!==undefined&&key[valuePropertyName]===undefined){key=jsonKeys[i++];}if(key===undefined)return;// no data + var value=key[valuePropertyName];if(value===undefined)return;// no data + if(Array.isArray(value)){do{value=key[valuePropertyName];if(value!==undefined){times.push(key.time);values.push.apply(values,value);// push all elements + }key=jsonKeys[i++];}while(key!==undefined);}else if(value.toArray!==undefined){// ...assume THREE.Math-ish + do{value=key[valuePropertyName];if(value!==undefined){times.push(key.time);value.toArray(values,values.length);}key=jsonKeys[i++];}while(key!==undefined);}else{// otherwise push as-is + do{value=key[valuePropertyName];if(value!==undefined){times.push(key.time);values.push(value);}key=jsonKeys[i++];}while(key!==undefined);}},subclip:function subclip(sourceClip,name,startFrame,endFrame,fps){fps=fps||30;var clip=sourceClip.clone();clip.name=name;var tracks=[];for(var i=0;i=endFrame)continue;times.push(track.times[j]);for(var k=0;kclip.tracks[i].times[0]){minStartTime=clip.tracks[i].times[0];}}// shift all tracks such that clip begins at t=0 + for(var i=0;i= t1 || t1 === undefined ) { + forward_scan:if(!(t=t0)){// looping? + var t1global=pp[1];if(t=t0){// we have arrived at the sought interval + break seek;}}// prepare binary search on the left side of the index + right=i1;i1=0;break linear_scan;}// the interval is valid + break validate_interval;}// linear scan + // binary search + while(i1>>1;if(t seconds conversions) + scale:function scale(timeScale){if(timeScale!==1.0){var times=this.times;for(var i=0,n=times.length;i!==n;++i){times[i]*=timeScale;}}return this;},// removes keyframes before and after animation without changing any values within the range [startTime, endTime]. + // IMPORTANT: We do not shift around keys to the start of the track time, because for interpolated keys this will change their values + trim:function trim(startTime,endTime){var times=this.times,nKeys=times.length,from=0,to=nKeys-1;while(from!==nKeys&×[from]endTime){--to;}++to;// inclusive -> exclusive bound + if(from!==0||to!==nKeys){// empty tracks are forbidden, so keep at least one keyframe + if(from>=to)to=Math.max(to,1),from=to-1;var stride=this.getValueSize();this.times=AnimationUtils.arraySlice(times,from,to);this.values=AnimationUtils.arraySlice(this.values,from*stride,to*stride);}return this;},// ensure we do not get a GarbageInGarbageOut situation, make sure tracks are at least minimally viable + validate:function validate(){var valid=true;var valueSize=this.getValueSize();if(valueSize-Math.floor(valueSize)!==0){console.error('THREE.KeyframeTrack: Invalid value size in track.',this);valid=false;}var times=this.times,values=this.values,nKeys=times.length;if(nKeys===0){console.error('THREE.KeyframeTrack: Track is empty.',this);valid=false;}var prevTime=null;for(var i=0;i!==nKeys;i++){var currTime=times[i];if(typeof currTime==='number'&&isNaN(currTime)){console.error('THREE.KeyframeTrack: Time is not a valid number.',this,i,currTime);valid=false;break;}if(prevTime!==null&&prevTime>currTime){console.error('THREE.KeyframeTrack: Out of order keys.',this,i,currTime,prevTime);valid=false;break;}prevTime=currTime;}if(values!==undefined){if(AnimationUtils.isTypedArray(values)){for(var i=0,n=values.length;i!==n;++i){var value=values[i];if(isNaN(value)){console.error('THREE.KeyframeTrack: Value is not a valid number.',this,i,value);valid=false;break;}}}}return valid;},// removes equivalent sequential keys as common in morph target sequences + // (0,0,0,0,1,1,1,0,0,0,0,0,0,0) --> (0,0,1,1,0,0) + optimize:function optimize(){var times=this.times,values=this.values,stride=this.getValueSize(),smoothInterpolation=this.getInterpolation()===InterpolateSmooth,writeIndex=1,lastIndex=times.length-1;for(var i=1;i0){times[writeIndex]=times[lastIndex];for(var readOffset=lastIndex*stride,writeOffset=writeIndex*stride,j=0;j!==stride;++j){values[writeOffset+j]=values[readOffset+j];}++writeIndex;}if(writeIndex!==times.length){this.times=AnimationUtils.arraySlice(times,0,writeIndex);this.values=AnimationUtils.arraySlice(values,0,writeIndex*stride);}return this;},clone:function clone(){var times=AnimationUtils.arraySlice(this.times,0);var values=AnimationUtils.arraySlice(this.values,0);var TypedKeyframeTrack=this.constructor;var track=new TypedKeyframeTrack(this.name,times,values);// Interpolant argument to constructor is not saved, so copy the factory method directly. + track.createInterpolant=this.createInterpolant;return track;}});/** + * + * A Track of Boolean keyframe values. + * + * + * @author Ben Houston / http://clara.io/ + * @author David Sarno / http://lighthaus.us/ + * @author tschw + */function BooleanKeyframeTrack(name,times,values){KeyframeTrack.call(this,name,times,values);}BooleanKeyframeTrack.prototype=Object.assign(Object.create(KeyframeTrack.prototype),{constructor:BooleanKeyframeTrack,ValueTypeName:'bool',ValueBufferType:Array,DefaultInterpolation:InterpolateDiscrete,InterpolantFactoryMethodLinear:undefined,InterpolantFactoryMethodSmooth:undefined// Note: Actually this track could have a optimized / compressed + // representation of a single value and a custom interpolant that + // computes "firstValue ^ isOdd( index )". + });/** + * + * A Track of keyframe values that represent color. + * + * + * @author Ben Houston / http://clara.io/ + * @author David Sarno / http://lighthaus.us/ + * @author tschw + */function ColorKeyframeTrack(name,times,values,interpolation){KeyframeTrack.call(this,name,times,values,interpolation);}ColorKeyframeTrack.prototype=Object.assign(Object.create(KeyframeTrack.prototype),{constructor:ColorKeyframeTrack,ValueTypeName:'color'// ValueBufferType is inherited + // DefaultInterpolation is inherited + // Note: Very basic implementation and nothing special yet. + // However, this is the place for color space parameterization. + });/** + * + * A Track of numeric keyframe values. + * + * @author Ben Houston / http://clara.io/ + * @author David Sarno / http://lighthaus.us/ + * @author tschw + */function NumberKeyframeTrack(name,times,values,interpolation){KeyframeTrack.call(this,name,times,values,interpolation);}NumberKeyframeTrack.prototype=Object.assign(Object.create(KeyframeTrack.prototype),{constructor:NumberKeyframeTrack,ValueTypeName:'number'// ValueBufferType is inherited + // DefaultInterpolation is inherited + });/** + * Spherical linear unit quaternion interpolant. + * + * @author tschw + */function QuaternionLinearInterpolant(parameterPositions,sampleValues,sampleSize,resultBuffer){Interpolant.call(this,parameterPositions,sampleValues,sampleSize,resultBuffer);}QuaternionLinearInterpolant.prototype=Object.assign(Object.create(Interpolant.prototype),{constructor:QuaternionLinearInterpolant,interpolate_:function interpolate_(i1,t0,t,t1){var result=this.resultBuffer,values=this.sampleValues,stride=this.valueSize,offset=i1*stride,alpha=(t-t0)/(t1-t0);for(var end=offset+stride;offset!==end;offset+=4){Quaternion.slerpFlat(result,0,values,offset-stride,values,offset,alpha);}return result;}});/** + * + * A Track of quaternion keyframe values. + * + * @author Ben Houston / http://clara.io/ + * @author David Sarno / http://lighthaus.us/ + * @author tschw + */function QuaternionKeyframeTrack(name,times,values,interpolation){KeyframeTrack.call(this,name,times,values,interpolation);}QuaternionKeyframeTrack.prototype=Object.assign(Object.create(KeyframeTrack.prototype),{constructor:QuaternionKeyframeTrack,ValueTypeName:'quaternion',// ValueBufferType is inherited + DefaultInterpolation:InterpolateLinear,InterpolantFactoryMethodLinear:function InterpolantFactoryMethodLinear(result){return new QuaternionLinearInterpolant(this.times,this.values,this.getValueSize(),result);},InterpolantFactoryMethodSmooth:undefined// not yet implemented + });/** + * + * A Track that interpolates Strings + * + * + * @author Ben Houston / http://clara.io/ + * @author David Sarno / http://lighthaus.us/ + * @author tschw + */function StringKeyframeTrack(name,times,values,interpolation){KeyframeTrack.call(this,name,times,values,interpolation);}StringKeyframeTrack.prototype=Object.assign(Object.create(KeyframeTrack.prototype),{constructor:StringKeyframeTrack,ValueTypeName:'string',ValueBufferType:Array,DefaultInterpolation:InterpolateDiscrete,InterpolantFactoryMethodLinear:undefined,InterpolantFactoryMethodSmooth:undefined});/** + * + * A Track of vectored keyframe values. + * + * + * @author Ben Houston / http://clara.io/ + * @author David Sarno / http://lighthaus.us/ + * @author tschw + */function VectorKeyframeTrack(name,times,values,interpolation){KeyframeTrack.call(this,name,times,values,interpolation);}VectorKeyframeTrack.prototype=Object.assign(Object.create(KeyframeTrack.prototype),{constructor:VectorKeyframeTrack,ValueTypeName:'vector'// ValueBufferType is inherited + // DefaultInterpolation is inherited + });/** + * + * Reusable set of Tracks that represent an animation. + * + * @author Ben Houston / http://clara.io/ + * @author David Sarno / http://lighthaus.us/ + */function AnimationClip(name,duration,tracks){this.name=name;this.tracks=tracks;this.duration=duration!==undefined?duration:-1;this.uuid=_Math.generateUUID();// this means it should figure out its duration by scanning the tracks + if(this.duration<0){this.resetDuration();}}function getTrackTypeForValueTypeName(typeName){switch(typeName.toLowerCase()){case'scalar':case'double':case'float':case'number':case'integer':return NumberKeyframeTrack;case'vector':case'vector2':case'vector3':case'vector4':return VectorKeyframeTrack;case'color':return ColorKeyframeTrack;case'quaternion':return QuaternionKeyframeTrack;case'bool':case'boolean':return BooleanKeyframeTrack;case'string':return StringKeyframeTrack;}throw new Error('THREE.KeyframeTrack: Unsupported typeName: '+typeName);}function parseKeyframeTrack(json){if(json.type===undefined){throw new Error('THREE.KeyframeTrack: track type undefined, can not parse');}var trackType=getTrackTypeForValueTypeName(json.type);if(json.times===undefined){var times=[],values=[];AnimationUtils.flattenJSON(json.keys,times,values,'value');json.times=times;json.values=values;}// derived classes can define a static parse method + if(trackType.parse!==undefined){return trackType.parse(json);}else{// by default, we assume a constructor compatible with the base + return new trackType(json.name,json.times,json.values,json.interpolation);}}Object.assign(AnimationClip,{parse:function parse(json){var tracks=[],jsonTracks=json.tracks,frameTime=1.0/(json.fps||1.0);for(var i=0,n=jsonTracks.length;i!==n;++i){tracks.push(parseKeyframeTrack(jsonTracks[i]).scale(frameTime));}return new AnimationClip(json.name,json.duration,tracks);},toJSON:function toJSON(clip){var tracks=[],clipTracks=clip.tracks;var json={'name':clip.name,'duration':clip.duration,'tracks':tracks,'uuid':clip.uuid};for(var i=0,n=clipTracks.length;i!==n;++i){tracks.push(KeyframeTrack.toJSON(clipTracks[i]));}return json;},CreateFromMorphTargetSequence:function CreateFromMorphTargetSequence(name,morphTargetSequence,fps,noLoop){var numMorphTargets=morphTargetSequence.length;var tracks=[];for(var i=0;i1){var name=parts[1];var animationMorphTargets=animationToMorphTargets[name];if(!animationMorphTargets){animationToMorphTargets[name]=animationMorphTargets=[];}animationMorphTargets.push(morphTarget);}}var clips=[];for(var name in animationToMorphTargets){clips.push(AnimationClip.CreateFromMorphTargetSequence(name,animationToMorphTargets[name],fps,noLoop));}return clips;},// parse the animation.hierarchy format + parseAnimation:function parseAnimation(animation,bones){if(!animation){console.error('THREE.AnimationClip: No animation in JSONLoader data.');return null;}var addNonemptyTrack=function addNonemptyTrack(trackType,trackName,animationKeys,propertyName,destTracks){// only return track if there are actually keys. + if(animationKeys.length!==0){var times=[];var values=[];AnimationUtils.flattenJSON(animationKeys,times,values,propertyName);// empty keys are filtered out, so check again + if(times.length!==0){destTracks.push(new trackType(trackName,times,values));}}};var tracks=[];var clipName=animation.name||'default';// automatic length determination in AnimationClip. + var duration=animation.length||-1;var fps=animation.fps||30;var hierarchyTracks=animation.hierarchy||[];for(var h=0;h0||url.search(/^data\:image\/jpeg/)===0;texture.format=isJPEG?RGBFormat:RGBAFormat;texture.needsUpdate=true;if(onLoad!==undefined){onLoad(texture);}},onProgress,onError);return texture;}});/** + * @author zz85 / http://www.lab4games.net/zz85/blog + * Extensible curve object + * + * Some common of curve methods: + * .getPoint( t, optionalTarget ), .getTangent( t ) + * .getPointAt( u, optionalTarget ), .getTangentAt( u ) + * .getPoints(), .getSpacedPoints() + * .getLength() + * .updateArcLengths() + * + * This following curves inherit from THREE.Curve: + * + * -- 2D curves -- + * THREE.ArcCurve + * THREE.CubicBezierCurve + * THREE.EllipseCurve + * THREE.LineCurve + * THREE.QuadraticBezierCurve + * THREE.SplineCurve + * + * -- 3D curves -- + * THREE.CatmullRomCurve3 + * THREE.CubicBezierCurve3 + * THREE.LineCurve3 + * THREE.QuadraticBezierCurve3 + * + * A series of curves can be represented as a THREE.CurvePath. + * + **/ /************************************************************** + * Abstract Curve base class + **************************************************************/function Curve(){this.type='Curve';this.arcLengthDivisions=200;}Object.assign(Curve.prototype,{// Virtual base class method to overwrite and implement in subclasses + // - t [0 .. 1] + getPoint:function getPoint()/* t, optionalTarget */{console.warn('THREE.Curve: .getPoint() not implemented.');return null;},// Get point at relative position in curve according to arc length + // - u [0 .. 1] + getPointAt:function getPointAt(u,optionalTarget){var t=this.getUtoTmapping(u);return this.getPoint(t,optionalTarget);},// Get sequence of points using getPoint( t ) + getPoints:function getPoints(divisions){if(divisions===undefined)divisions=5;var points=[];for(var d=0;d<=divisions;d++){points.push(this.getPoint(d/divisions));}return points;},// Get sequence of points using getPointAt( u ) + getSpacedPoints:function getSpacedPoints(divisions){if(divisions===undefined)divisions=5;var points=[];for(var d=0;d<=divisions;d++){points.push(this.getPointAt(d/divisions));}return points;},// Get total curve arc length + getLength:function getLength(){var lengths=this.getLengths();return lengths[lengths.length-1];},// Get list of cumulative segment lengths + getLengths:function getLengths(divisions){if(divisions===undefined)divisions=this.arcLengthDivisions;if(this.cacheArcLengths&&this.cacheArcLengths.length===divisions+1&&!this.needsUpdate){return this.cacheArcLengths;}this.needsUpdate=false;var cache=[];var current,last=this.getPoint(0);var p,sum=0;cache.push(0);for(p=1;p<=divisions;p++){current=this.getPoint(p/divisions);sum+=current.distanceTo(last);cache.push(sum);last=current;}this.cacheArcLengths=cache;return cache;// { sums: cache, sum: sum }; Sum is in the last element. + },updateArcLengths:function updateArcLengths(){this.needsUpdate=true;this.getLengths();},// Given u ( 0 .. 1 ), get a t to find p. This gives you points which are equidistant + getUtoTmapping:function getUtoTmapping(u,distance){var arcLengths=this.getLengths();var i=0,il=arcLengths.length;var targetArcLength;// The targeted u distance value to get + if(distance){targetArcLength=distance;}else{targetArcLength=u*arcLengths[il-1];}// binary search for the index with largest value smaller than target u distance + var low=0,high=il-1,comparison;while(low<=high){i=Math.floor(low+(high-low)/2);// less likely to overflow, though probably not issue here, JS doesn't really have integers, all numbers are floats + comparison=arcLengths[i]-targetArcLength;if(comparison<0){low=i+1;}else if(comparison>0){high=i-1;}else{high=i;break;// DONE + }}i=high;if(arcLengths[i]===targetArcLength){return i/(il-1);}// we could get finer grain at lengths, or use simple interpolation between two points + var lengthBefore=arcLengths[i];var lengthAfter=arcLengths[i+1];var segmentLength=lengthAfter-lengthBefore;// determine where we are between the 'before' and 'after' points + var segmentFraction=(targetArcLength-lengthBefore)/segmentLength;// add that fractional amount to t + var t=(i+segmentFraction)/(il-1);return t;},// Returns a unit vector tangent at t + // In case any sub curve does not implement its tangent derivation, + // 2 points a small delta apart will be used to find its gradient + // which seems to give a reasonable approximation + getTangent:function getTangent(t){var delta=0.0001;var t1=t-delta;var t2=t+delta;// Capping in case of danger + if(t1<0)t1=0;if(t2>1)t2=1;var pt1=this.getPoint(t1);var pt2=this.getPoint(t2);var vec=pt2.clone().sub(pt1);return vec.normalize();},getTangentAt:function getTangentAt(u){var t=this.getUtoTmapping(u);return this.getTangent(t);},computeFrenetFrames:function computeFrenetFrames(segments,closed){// see http://www.cs.indiana.edu/pub/techreports/TR425.pdf + var normal=new Vector3();var tangents=[];var normals=[];var binormals=[];var vec=new Vector3();var mat=new Matrix4();var i,u,theta;// compute the tangent vectors for each segment on the curve + for(i=0;i<=segments;i++){u=i/segments;tangents[i]=this.getTangentAt(u);tangents[i].normalize();}// select an initial normal vector perpendicular to the first tangent vector, + // and in the direction of the minimum tangent xyz component + normals[0]=new Vector3();binormals[0]=new Vector3();var min=Number.MAX_VALUE;var tx=Math.abs(tangents[0].x);var ty=Math.abs(tangents[0].y);var tz=Math.abs(tangents[0].z);if(tx<=min){min=tx;normal.set(1,0,0);}if(ty<=min){min=ty;normal.set(0,1,0);}if(tz<=min){normal.set(0,0,1);}vec.crossVectors(tangents[0],normal).normalize();normals[0].crossVectors(tangents[0],vec);binormals[0].crossVectors(tangents[0],normals[0]);// compute the slowly-varying normal and binormal vectors for each segment on the curve + for(i=1;i<=segments;i++){normals[i]=normals[i-1].clone();binormals[i]=binormals[i-1].clone();vec.crossVectors(tangents[i-1],tangents[i]);if(vec.length()>Number.EPSILON){vec.normalize();theta=Math.acos(_Math.clamp(tangents[i-1].dot(tangents[i]),-1,1));// clamp for floating pt errors + normals[i].applyMatrix4(mat.makeRotationAxis(vec,theta));}binormals[i].crossVectors(tangents[i],normals[i]);}// if the curve is closed, postprocess the vectors so the first and last normal vectors are the same + if(closed===true){theta=Math.acos(_Math.clamp(normals[0].dot(normals[segments]),-1,1));theta/=segments;if(tangents[0].dot(vec.crossVectors(normals[0],normals[segments]))>0){theta=-theta;}for(i=1;i<=segments;i++){// twist a little... + normals[i].applyMatrix4(mat.makeRotationAxis(tangents[i],theta*i));binormals[i].crossVectors(tangents[i],normals[i]);}}return {tangents:tangents,normals:normals,binormals:binormals};},clone:function clone(){return new this.constructor().copy(this);},copy:function copy(source){this.arcLengthDivisions=source.arcLengthDivisions;return this;},toJSON:function toJSON(){var data={metadata:{version:4.5,type:'Curve',generator:'Curve.toJSON'}};data.arcLengthDivisions=this.arcLengthDivisions;data.type=this.type;return data;},fromJSON:function fromJSON(json){this.arcLengthDivisions=json.arcLengthDivisions;return this;}});function EllipseCurve(aX,aY,xRadius,yRadius,aStartAngle,aEndAngle,aClockwise,aRotation){Curve.call(this);this.type='EllipseCurve';this.aX=aX||0;this.aY=aY||0;this.xRadius=xRadius||1;this.yRadius=yRadius||1;this.aStartAngle=aStartAngle||0;this.aEndAngle=aEndAngle||2*Math.PI;this.aClockwise=aClockwise||false;this.aRotation=aRotation||0;}EllipseCurve.prototype=Object.create(Curve.prototype);EllipseCurve.prototype.constructor=EllipseCurve;EllipseCurve.prototype.isEllipseCurve=true;EllipseCurve.prototype.getPoint=function(t,optionalTarget){var point=optionalTarget||new Vector2();var twoPi=Math.PI*2;var deltaAngle=this.aEndAngle-this.aStartAngle;var samePoints=Math.abs(deltaAngle)twoPi){deltaAngle-=twoPi;}if(deltaAngle0?0:(Math.floor(Math.abs(intPoint)/l)+1)*l;}else if(weight===0&&intPoint===l-1){intPoint=l-2;weight=1;}var p0,p1,p2,p3;// 4 points + if(this.closed||intPoint>0){p0=points[(intPoint-1)%l];}else{// extrapolate first point + tmp.subVectors(points[0],points[1]).add(points[0]);p0=tmp;}p1=points[intPoint%l];p2=points[(intPoint+1)%l];if(this.closed||intPoint+2points.length-2?points.length-1:intPoint+1];var p3=points[intPoint>points.length-3?points.length-1:intPoint+2];point.set(CatmullRom(weight,p0.x,p1.x,p2.x,p3.x),CatmullRom(weight,p0.y,p1.y,p2.y,p3.y));return point;};SplineCurve.prototype.copy=function(source){Curve.prototype.copy.call(this,source);this.points=[];for(var i=0,l=source.points.length;i=d){var diff=curveLengths[i]-d;var curve=this.curves[i];var segmentLength=curve.getLength();var u=segmentLength===0?0:1-diff/segmentLength;return curve.getPointAt(u);}i++;}return null;// loop where sum != 0, sum > d , sum+1 1&&!points[points.length-1].equals(points[0])){points.push(points[0]);}return points;},copy:function copy(source){Curve.prototype.copy.call(this,source);this.curves=[];for(var i=0,l=source.curves.length;i0){// if a previous curve is present, attempt to join + var firstPoint=curve.getPoint(0);if(!firstPoint.equals(this.currentPoint)){this.lineTo(firstPoint.x,firstPoint.y);}}this.curves.push(curve);var lastPoint=curve.getPoint(1);this.currentPoint.copy(lastPoint);return this;},copy:function copy(source){CurvePath.prototype.copy.call(this,source);this.currentPoint.copy(source.currentPoint);return this;},toJSON:function toJSON(){var data=CurvePath.prototype.toJSON.call(this);data.currentPoint=this.currentPoint.toArray();return data;},fromJSON:function fromJSON(json){CurvePath.prototype.fromJSON.call(this,json);this.currentPoint.fromArray(json.currentPoint);return this;}});/** + * @author zz85 / http://www.lab4games.net/zz85/blog + * Defines a 2d shape plane using paths. + **/ // STEP 1 Create a path. + // STEP 2 Turn path into shape. + // STEP 3 ExtrudeGeometry takes in Shape/Shapes + // STEP 3a - Extract points from each shape, turn to vertices + // STEP 3b - Triangulate each shape, add faces. + function Shape(points){Path.call(this,points);this.uuid=_Math.generateUUID();this.type='Shape';this.holes=[];}Shape.prototype=Object.assign(Object.create(Path.prototype),{constructor:Shape,getPointsHoles:function getPointsHoles(divisions){var holesPts=[];for(var i=0,l=this.holes.length;i0){var manager=new LoadingManager(onLoad);var loader=new ImageLoader(manager);loader.setCrossOrigin(this.crossOrigin);for(var i=0,il=json.length;i0){object=new SkinnedMesh(geometry,material);}else{object=new Mesh(geometry,material);}break;case'InstancedMesh':var geometry=getGeometry(data.geometry);var material=getMaterial(data.material);var count=data.count;var instanceMatrix=data.instanceMatrix;object=new InstancedMesh(geometry,material,count);object.instanceMatrix=new BufferAttribute(new Float32Array(instanceMatrix.array),16);break;case'LOD':object=new LOD();break;case'Line':object=new Line(getGeometry(data.geometry),getMaterial(data.material),data.mode);break;case'LineLoop':object=new LineLoop(getGeometry(data.geometry),getMaterial(data.material));break;case'LineSegments':object=new LineSegments(getGeometry(data.geometry),getMaterial(data.material));break;case'PointCloud':case'Points':object=new Points(getGeometry(data.geometry),getMaterial(data.material));break;case'Sprite':object=new Sprite(getMaterial(data.material));break;case'Group':object=new Group();break;default:object=new Object3D();}object.uuid=data.uuid;if(data.name!==undefined)object.name=data.name;if(data.matrix!==undefined){object.matrix.fromArray(data.matrix);if(data.matrixAutoUpdate!==undefined)object.matrixAutoUpdate=data.matrixAutoUpdate;if(object.matrixAutoUpdate)object.matrix.decompose(object.position,object.quaternion,object.scale);}else{if(data.position!==undefined)object.position.fromArray(data.position);if(data.rotation!==undefined)object.rotation.fromArray(data.rotation);if(data.quaternion!==undefined)object.quaternion.fromArray(data.quaternion);if(data.scale!==undefined)object.scale.fromArray(data.scale);}if(data.castShadow!==undefined)object.castShadow=data.castShadow;if(data.receiveShadow!==undefined)object.receiveShadow=data.receiveShadow;if(data.shadow){if(data.shadow.bias!==undefined)object.shadow.bias=data.shadow.bias;if(data.shadow.radius!==undefined)object.shadow.radius=data.shadow.radius;if(data.shadow.mapSize!==undefined)object.shadow.mapSize.fromArray(data.shadow.mapSize);if(data.shadow.camera!==undefined)object.shadow.camera=this.parseObject(data.shadow.camera);}if(data.visible!==undefined)object.visible=data.visible;if(data.frustumCulled!==undefined)object.frustumCulled=data.frustumCulled;if(data.renderOrder!==undefined)object.renderOrder=data.renderOrder;if(data.userData!==undefined)object.userData=data.userData;if(data.layers!==undefined)object.layers.mask=data.layers;if(data.drawMode!==undefined)object.setDrawMode(data.drawMode);if(data.children!==undefined){var children=data.children;for(var i=0;i immediate success or + // toggling of inside/outside at every single! intersection point of an edge + // with the horizontal line through inPt, left of inPt + // not counting lowerY endpoints of edges and whole edges on that line + var inside=false;for(var p=polyLen-1,q=0;qNumber.EPSILON){// not parallel + if(edgeDy<0){edgeLowPt=inPolygon[q];edgeDx=-edgeDx;edgeHighPt=inPolygon[p];edgeDy=-edgeDy;}if(inPt.yedgeHighPt.y)continue;if(inPt.y===edgeLowPt.y){if(inPt.x===edgeLowPt.x)return true;// inPt is on contour ? + // continue; // no intersection or edgeLowPt => doesn't count !!! + }else{var perpEdge=edgeDy*(inPt.x-edgeLowPt.x)-edgeDx*(inPt.y-edgeLowPt.y);if(perpEdge===0)return true;// inPt is on contour ? + if(perpEdge<0)continue;inside=!inside;// true intersection left of inPt + }}else{// parallel or collinear + if(inPt.y!==edgeLowPt.y)continue;// parallel + // edge lies on the same horizontal line as inPt + if(edgeHighPt.x<=inPt.x&&inPt.x<=edgeLowPt.x||edgeLowPt.x<=inPt.x&&inPt.x<=edgeHighPt.x)return true;// inPt: Point on contour ! + // continue; + }}return inside;}var isClockWise=ShapeUtils.isClockWise;var subPaths=this.subPaths;if(subPaths.length===0)return [];if(noHoles===true)return toShapesNoHoles(subPaths);var solid,tmpPath,tmpShape,shapes=[];if(subPaths.length===1){tmpPath=subPaths[0];tmpShape=new Shape();tmpShape.curves=tmpPath.curves;shapes.push(tmpShape);return shapes;}var holesFirst=!isClockWise(subPaths[0].getPoints());holesFirst=isCCW?!holesFirst:holesFirst;// console.log("Holes first", holesFirst); + var betterShapeHoles=[];var newShapes=[];var newShapeHoles=[];var mainIdx=0;var tmpPoints;newShapes[mainIdx]=undefined;newShapeHoles[mainIdx]=[];for(var i=0,l=subPaths.length;i probably all Shapes with wrong orientation + if(!newShapes[0])return toShapesNoHoles(subPaths);if(newShapes.length>1){var ambiguous=false;var toChange=[];for(var sIdx=0,sLen=newShapes.length;sIdx0){// console.log("to change: ", toChange); + if(!ambiguous)newShapeHoles=betterShapeHoles;}}var tmpHoles;for(var i=0,il=newShapes.length;i0){this.source.connect(this.filters[0]);for(var i=1,l=this.filters.length;i0){this.source.disconnect(this.filters[0]);for(var i=1,l=this.filters.length;i' + accumulate:function accumulate(accuIndex,weight){// note: happily accumulating nothing when weight = 0, the caller knows + // the weight and shouldn't have made the call in the first place + var buffer=this.buffer,stride=this.valueSize,offset=accuIndex*stride+stride,currentWeight=this.cumulativeWeight;if(currentWeight===0){// accuN := incoming * weight + for(var i=0;i!==stride;++i){buffer[offset+i]=buffer[i];}currentWeight=weight;}else{// accuN := accuN + incoming * weight + currentWeight+=weight;var mix=weight/currentWeight;this._mixBufferRegion(buffer,offset,0,mix,stride);}this.cumulativeWeight=currentWeight;},// apply the state of 'accu' to the binding when accus differ + apply:function apply(accuIndex){var stride=this.valueSize,buffer=this.buffer,offset=accuIndex*stride+stride,weight=this.cumulativeWeight,binding=this.binding;this.cumulativeWeight=0;if(weight<1){// accuN := accuN + original * ( 1 - cumulativeWeight ) + var originalValueOffset=stride*3;this._mixBufferRegion(buffer,offset,originalValueOffset,1-weight,stride);}for(var i=stride,e=stride+stride;i!==e;++i){if(buffer[i]!==buffer[i+stride]){// value has changed -> update scene graph + binding.setValue(buffer,offset);break;}}},// remember the state of the bound property and copy it to both accus + saveOriginalState:function saveOriginalState(){var binding=this.binding;var buffer=this.buffer,stride=this.valueSize,originalValueOffset=stride*3;binding.getValue(buffer,originalValueOffset);// accu[0..1] := orig -- initially detect changes against the original + for(var i=stride,e=originalValueOffset;i!==e;++i){buffer[i]=buffer[originalValueOffset+i%stride];}this.cumulativeWeight=0;},// apply the state previously taken via 'saveOriginalState' to the binding + restoreOriginalState:function restoreOriginalState(){var originalValueOffset=this.valueSize*3;this.binding.setValue(this.buffer,originalValueOffset);},// mix functions + _select:function _select(buffer,dstOffset,srcOffset,t,stride){if(t>=0.5){for(var i=0;i!==stride;++i){buffer[dstOffset+i]=buffer[srcOffset+i];}}},_slerp:function _slerp(buffer,dstOffset,srcOffset,t){Quaternion.slerpFlat(buffer,dstOffset,buffer,dstOffset,buffer,srcOffset,t);},_lerp:function _lerp(buffer,dstOffset,srcOffset,t,stride){var s=1-t;for(var i=0;i!==stride;++i){var j=dstOffset+i;buffer[j]=buffer[j]*s+buffer[srcOffset+i]*t;}}});/** + * + * A reference to a real property in the scene graph. + * + * + * @author Ben Houston / http://clara.io/ + * @author David Sarno / http://lighthaus.us/ + * @author tschw + */ // Characters [].:/ are reserved for track binding syntax. + var _RESERVED_CHARS_RE='\\[\\]\\.:\\/';var _reservedRe=new RegExp('['+_RESERVED_CHARS_RE+']','g');// Attempts to allow node names from any language. ES5's `\w` regexp matches + // only latin characters, and the unicode \p{L} is not yet supported. So + // instead, we exclude reserved characters and match everything else. + var _wordChar='[^'+_RESERVED_CHARS_RE+']';var _wordCharOrDot='[^'+_RESERVED_CHARS_RE.replace('\\.','')+']';// Parent directories, delimited by '/' or ':'. Currently unused, but must + // be matched to parse the rest of the track name. + var _directoryRe=/((?:WC+[\/:])*)/.source.replace('WC',_wordChar);// Target node. May contain word characters (a-zA-Z0-9_) and '.' or '-'. + var _nodeRe=/(WCOD+)?/.source.replace('WCOD',_wordCharOrDot);// Object on target node, and accessor. May not contain reserved + // characters. Accessor may contain any character except closing bracket. + var _objectRe=/(?:\.(WC+)(?:\[(.+)\])?)?/.source.replace('WC',_wordChar);// Property and accessor. May not contain reserved characters. Accessor may + // contain any non-bracket characters. + var _propertyRe=/\.(WC+)(?:\[(.+)\])?/.source.replace('WC',_wordChar);var _trackRe=new RegExp(''+'^'+_directoryRe+_nodeRe+_objectRe+_propertyRe+'$');var _supportedObjectNames=['material','materials','bones'];function Composite(targetGroup,path,optionalParsedPath){var parsedPath=optionalParsedPath||PropertyBinding.parseTrackName(path);this._targetGroup=targetGroup;this._bindings=targetGroup.subscribe_(path,parsedPath);}Object.assign(Composite.prototype,{getValue:function getValue(array,offset){this.bind();// bind all binding + var firstValidIndex=this._targetGroup.nCachedObjects_,binding=this._bindings[firstValidIndex];// and only call .getValue on the first + if(binding!==undefined)binding.getValue(array,offset);},setValue:function setValue(array,offset){var bindings=this._bindings;for(var i=this._targetGroup.nCachedObjects_,n=bindings.length;i!==n;++i){bindings[i].setValue(array,offset);}},bind:function bind(){var bindings=this._bindings;for(var i=this._targetGroup.nCachedObjects_,n=bindings.length;i!==n;++i){bindings[i].bind();}},unbind:function unbind(){var bindings=this._bindings;for(var i=this._targetGroup.nCachedObjects_,n=bindings.length;i!==n;++i){bindings[i].unbind();}}});function PropertyBinding(rootNode,path,parsedPath){this.path=path;this.parsedPath=parsedPath||PropertyBinding.parseTrackName(path);this.node=PropertyBinding.findNode(rootNode,this.parsedPath.nodeName)||rootNode;this.rootNode=rootNode;}Object.assign(PropertyBinding,{Composite:Composite,create:function create(root,path,parsedPath){if(!(root&&root.isAnimationObjectGroup)){return new PropertyBinding(root,path,parsedPath);}else{return new PropertyBinding.Composite(root,path,parsedPath);}},/** + * Replaces spaces with underscores and removes unsupported characters from + * node names, to ensure compatibility with parseTrackName(). + * + * @param {string} name Node name to be sanitized. + * @return {string} + */sanitizeNodeName:function sanitizeNodeName(name){return name.replace(/\s/g,'_').replace(_reservedRe,'');},parseTrackName:function parseTrackName(trackName){var matches=_trackRe.exec(trackName);if(!matches){throw new Error('PropertyBinding: Cannot parse trackName: '+trackName);}var results={// directoryName: matches[ 1 ], // (tschw) currently unused + nodeName:matches[2],objectName:matches[3],objectIndex:matches[4],propertyName:matches[5],// required + propertyIndex:matches[6]};var lastDot=results.nodeName&&results.nodeName.lastIndexOf('.');if(lastDot!==undefined&&lastDot!==-1){var objectName=results.nodeName.substring(lastDot+1);// Object names must be checked against a whitelist. Otherwise, there + // is no way to parse 'foo.bar.baz': 'baz' must be a property, but + // 'bar' could be the objectName, or part of a nodeName (which can + // include '.' characters). + if(_supportedObjectNames.indexOf(objectName)!==-1){results.nodeName=results.nodeName.substring(0,lastDot);results.objectName=objectName;}}if(results.propertyName===null||results.propertyName.length===0){throw new Error('PropertyBinding: can not parse propertyName from trackName: '+trackName);}return results;},findNode:function findNode(root,nodeName){if(!nodeName||nodeName===""||nodeName==="root"||nodeName==="."||nodeName===-1||nodeName===root.name||nodeName===root.uuid){return root;}// search into skeleton bones. + if(root.skeleton){var bone=root.skeleton.getBoneByName(nodeName);if(bone!==undefined){return bone;}}// search into node subtree. + if(root.children){var searchNodeSubtree=function searchNodeSubtree(children){for(var i=0;i + this._bindingsIndicesByPath={};// inside: indices in these arrays + var scope=this;this.stats=Object.defineProperties({objects:Object.defineProperties({},{total:{get:function get(){return scope._objects.length;},configurable:true,enumerable:true},inUse:{get:function get(){return this.total-scope.nCachedObjects_;},configurable:true,enumerable:true}})},{bindingsPerObject:{get:function get(){return scope._bindings.length;},configurable:true,enumerable:true}});}Object.assign(AnimationObjectGroup.prototype,{isAnimationObjectGroup:true,add:function add(){var objects=this._objects,nObjects=objects.length,nCachedObjects=this.nCachedObjects_,indicesByUUID=this._indicesByUUID,paths=this._paths,parsedPaths=this._parsedPaths,bindings=this._bindings,nBindings=bindings.length,knownObject=undefined;for(var i=0,n=arguments.length;i!==n;++i){var object=arguments[i],uuid=object.uuid,index=indicesByUUID[uuid];if(index===undefined){// unknown object -> add it to the ACTIVE region + index=nObjects++;indicesByUUID[uuid]=index;objects.push(object);// accounting is done, now do the same for all bindings + for(var j=0,m=nBindings;j!==m;++j){bindings[j].push(new PropertyBinding(object,paths[j],parsedPaths[j]));}}else if(index=nCachedObjects){// move existing object into the CACHED region + var lastCachedIndex=nCachedObjects++,firstActiveObject=objects[lastCachedIndex];indicesByUUID[firstActiveObject.uuid]=index;objects[index]=firstActiveObject;indicesByUUID[uuid]=lastCachedIndex;objects[lastCachedIndex]=object;// accounting is done, now do the same for all bindings + for(var j=0,m=nBindings;j!==m;++j){var bindingsForPath=bindings[j],firstActive=bindingsForPath[lastCachedIndex],binding=bindingsForPath[index];bindingsForPath[index]=firstActive;bindingsForPath[lastCachedIndex]=binding;}}}// for arguments + this.nCachedObjects_=nCachedObjects;},// remove & forget + uncache:function uncache(){var objects=this._objects,nObjects=objects.length,nCachedObjects=this.nCachedObjects_,indicesByUUID=this._indicesByUUID,bindings=this._bindings,nBindings=bindings.length;for(var i=0,n=arguments.length;i!==n;++i){var object=arguments[i],uuid=object.uuid,index=indicesByUUID[uuid];if(index!==undefined){delete indicesByUUID[uuid];if(index zero effective time scale + this.enabled=true;// false -> zero effective weight + this.clampWhenFinished=false;// keep feeding the last frame? + this.zeroSlopeAtStart=true;// for smooth interpolation w/o separate + this.zeroSlopeAtEnd=true;// clips for start, loop and end + }Object.assign(AnimationAction.prototype,{// State & Scheduling + play:function play(){this._mixer._activateAction(this);return this;},stop:function stop(){this._mixer._deactivateAction(this);return this.reset();},reset:function reset(){this.paused=false;this.enabled=true;this.time=0;// restart clip + this._loopCount=-1;// forget previous loops + this._startTime=null;// forget scheduling + return this.stopFading().stopWarping();},isRunning:function isRunning(){return this.enabled&&!this.paused&&this.timeScale!==0&&this._startTime===null&&this._mixer._isActiveAction(this);},// return true when play has been called + isScheduled:function isScheduled(){return this._mixer._isActiveAction(this);},startAt:function startAt(time){this._startTime=time;return this;},setLoop:function setLoop(mode,repetitions){this.loop=mode;this.repetitions=repetitions;return this;},// Weight + // set the weight stopping any scheduled fading + // although .enabled = false yields an effective weight of zero, this + // method does *not* change .enabled, because it would be confusing + setEffectiveWeight:function setEffectiveWeight(weight){this.weight=weight;// note: same logic as when updated at runtime + this._effectiveWeight=this.enabled?weight:0;return this.stopFading();},// return the weight considering fading and .enabled + getEffectiveWeight:function getEffectiveWeight(){return this._effectiveWeight;},fadeIn:function fadeIn(duration){return this._scheduleFading(duration,0,1);},fadeOut:function fadeOut(duration){return this._scheduleFading(duration,1,0);},crossFadeFrom:function crossFadeFrom(fadeOutAction,duration,warp){fadeOutAction.fadeOut(duration);this.fadeIn(duration);if(warp){var fadeInDuration=this._clip.duration,fadeOutDuration=fadeOutAction._clip.duration,startEndRatio=fadeOutDuration/fadeInDuration,endStartRatio=fadeInDuration/fadeOutDuration;fadeOutAction.warp(1.0,startEndRatio,duration);this.warp(endStartRatio,1.0,duration);}return this;},crossFadeTo:function crossFadeTo(fadeInAction,duration,warp){return fadeInAction.crossFadeFrom(this,duration,warp);},stopFading:function stopFading(){var weightInterpolant=this._weightInterpolant;if(weightInterpolant!==null){this._weightInterpolant=null;this._mixer._takeBackControlInterpolant(weightInterpolant);}return this;},// Time Scale Control + // set the time scale stopping any scheduled warping + // although .paused = true yields an effective time scale of zero, this + // method does *not* change .paused, because it would be confusing + setEffectiveTimeScale:function setEffectiveTimeScale(timeScale){this.timeScale=timeScale;this._effectiveTimeScale=this.paused?0:timeScale;return this.stopWarping();},// return the time scale considering warping and .paused + getEffectiveTimeScale:function getEffectiveTimeScale(){return this._effectiveTimeScale;},setDuration:function setDuration(duration){this.timeScale=this._clip.duration/duration;return this.stopWarping();},syncWith:function syncWith(action){this.time=action.time;this.timeScale=action.timeScale;return this.stopWarping();},halt:function halt(duration){return this.warp(this._effectiveTimeScale,0,duration);},warp:function warp(startTimeScale,endTimeScale,duration){var mixer=this._mixer,now=mixer.time,interpolant=this._timeScaleInterpolant,timeScale=this.timeScale;if(interpolant===null){interpolant=mixer._lendControlInterpolant();this._timeScaleInterpolant=interpolant;}var times=interpolant.parameterPositions,values=interpolant.sampleValues;times[0]=now;times[1]=now+duration;values[0]=startTimeScale/timeScale;values[1]=endTimeScale/timeScale;return this;},stopWarping:function stopWarping(){var timeScaleInterpolant=this._timeScaleInterpolant;if(timeScaleInterpolant!==null){this._timeScaleInterpolant=null;this._mixer._takeBackControlInterpolant(timeScaleInterpolant);}return this;},// Object Accessors + getMixer:function getMixer(){return this._mixer;},getClip:function getClip(){return this._clip;},getRoot:function getRoot(){return this._localRoot||this._mixer._root;},// Interna + _update:function _update(time,deltaTime,timeDirection,accuIndex){// called by the mixer + if(!this.enabled){// call ._updateWeight() to update ._effectiveWeight + this._updateWeight(time);return;}var startTime=this._startTime;if(startTime!==null){// check for scheduled start of action + var timeRunning=(time-startTime)*timeDirection;if(timeRunning<0||timeDirection===0){return;// yet to come / don't decide when delta = 0 + }// start + this._startTime=null;// unschedule + deltaTime=timeDirection*timeRunning;}// apply time scale and advance time + deltaTime*=this._updateTimeScale(time);var clipTime=this._updateTime(deltaTime);// note: _updateTime may disable the action resulting in + // an effective weight of 0 + var weight=this._updateWeight(time);if(weight>0){var interpolants=this._interpolants;var propertyMixers=this._propertyBindings;for(var j=0,m=interpolants.length;j!==m;++j){interpolants[j].evaluate(clipTime);propertyMixers[j].accumulate(accuIndex,weight);}}},_updateWeight:function _updateWeight(time){var weight=0;if(this.enabled){weight=this.weight;var interpolant=this._weightInterpolant;if(interpolant!==null){var interpolantValue=interpolant.evaluate(time)[0];weight*=interpolantValue;if(time>interpolant.parameterPositions[1]){this.stopFading();if(interpolantValue===0){// faded out, disable + this.enabled=false;}}}}this._effectiveWeight=weight;return weight;},_updateTimeScale:function _updateTimeScale(time){var timeScale=0;if(!this.paused){timeScale=this.timeScale;var interpolant=this._timeScaleInterpolant;if(interpolant!==null){var interpolantValue=interpolant.evaluate(time)[0];timeScale*=interpolantValue;if(time>interpolant.parameterPositions[1]){this.stopWarping();if(timeScale===0){// motion has halted, pause + this.paused=true;}else{// warp done - apply final time scale + this.timeScale=timeScale;}}}}this._effectiveTimeScale=timeScale;return timeScale;},_updateTime:function _updateTime(deltaTime){var time=this.time+deltaTime;var duration=this._clip.duration;var loop=this.loop;var loopCount=this._loopCount;var pingPong=loop===LoopPingPong;if(deltaTime===0){if(loopCount===-1)return time;return pingPong&&(loopCount&1)===1?duration-time:time;}if(loop===LoopOnce){if(loopCount===-1){// just started + this._loopCount=0;this._setEndings(true,true,false);}handle_stop:{if(time>=duration){time=duration;}else if(time<0){time=0;}else{this.time=time;break handle_stop;}if(this.clampWhenFinished)this.paused=true;else this.enabled=false;this.time=time;this._mixer.dispatchEvent({type:'finished',action:this,direction:deltaTime<0?-1:1});}}else{// repetitive Repeat or PingPong + if(loopCount===-1){// just started + if(deltaTime>=0){loopCount=0;this._setEndings(true,this.repetitions===0,pingPong);}else{// when looping in reverse direction, the initial + // transition through zero counts as a repetition, + // so leave loopCount at -1 + this._setEndings(this.repetitions===0,true,pingPong);}}if(time>=duration||time<0){// wrap around + var loopDelta=Math.floor(time/duration);// signed + time-=duration*loopDelta;loopCount+=Math.abs(loopDelta);var pending=this.repetitions-loopCount;if(pending<=0){// have to stop (switch state, clamp time, fire event) + if(this.clampWhenFinished)this.paused=true;else this.enabled=false;time=deltaTime>0?duration:0;this.time=time;this._mixer.dispatchEvent({type:'finished',action:this,direction:deltaTime>0?1:-1});}else{// keep running + if(pending===1){// entering the last round + var atStart=deltaTime<0;this._setEndings(atStart,!atStart,pingPong);}else{this._setEndings(false,false,pingPong);}this._loopCount=loopCount;this.time=time;this._mixer.dispatchEvent({type:'loop',action:this,loopDelta:loopDelta});}}else{this.time=time;}if(pingPong&&(loopCount&1)===1){// invert time for the "pong round" + return duration-time;}}return time;},_setEndings:function _setEndings(atStart,atEnd,pingPong){var settings=this._interpolantSettings;if(pingPong){settings.endingStart=ZeroSlopeEnding;settings.endingEnd=ZeroSlopeEnding;}else{// assuming for LoopOnce atStart == atEnd == true + if(atStart){settings.endingStart=this.zeroSlopeAtStart?ZeroSlopeEnding:ZeroCurvatureEnding;}else{settings.endingStart=WrapAroundEnding;}if(atEnd){settings.endingEnd=this.zeroSlopeAtEnd?ZeroSlopeEnding:ZeroCurvatureEnding;}else{settings.endingEnd=WrapAroundEnding;}}},_scheduleFading:function _scheduleFading(duration,weightNow,weightThen){var mixer=this._mixer,now=mixer.time,interpolant=this._weightInterpolant;if(interpolant===null){interpolant=mixer._lendControlInterpolant();this._weightInterpolant=interpolant;}var times=interpolant.parameterPositions,values=interpolant.sampleValues;times[0]=now;values[0]=weightNow;times[1]=now+duration;values[1]=weightThen;return this;}});/** + * + * Player for AnimationClips. + * + * + * @author Ben Houston / http://clara.io/ + * @author David Sarno / http://lighthaus.us/ + * @author tschw + */function AnimationMixer(root){this._root=root;this._initMemoryManager();this._accuIndex=0;this.time=0;this.timeScale=1.0;}AnimationMixer.prototype=Object.assign(Object.create(EventDispatcher.prototype),{constructor:AnimationMixer,_bindAction:function _bindAction(action,prototypeAction){var root=action._localRoot||this._root,tracks=action._clip.tracks,nTracks=tracks.length,bindings=action._propertyBindings,interpolants=action._interpolants,rootUuid=root.uuid,bindingsByRoot=this._bindingsByRootAndName,bindingsByName=bindingsByRoot[rootUuid];if(bindingsByName===undefined){bindingsByName={};bindingsByRoot[rootUuid]=bindingsByName;}for(var i=0;i!==nTracks;++i){var track=tracks[i],trackName=track.name,binding=bindingsByName[trackName];if(binding!==undefined){bindings[i]=binding;}else{binding=bindings[i];if(binding!==undefined){// existing binding, make sure the cache knows + if(binding._cacheIndex===null){++binding.referenceCount;this._addInactiveBinding(binding,rootUuid,trackName);}continue;}var path=prototypeAction&&prototypeAction._propertyBindings[i].binding.parsedPath;binding=new PropertyMixer(PropertyBinding.create(root,trackName,path),track.ValueTypeName,track.getValueSize());++binding.referenceCount;this._addInactiveBinding(binding,rootUuid,trackName);bindings[i]=binding;}interpolants[i].resultBuffer=binding.buffer;}},_activateAction:function _activateAction(action){if(!this._isActiveAction(action)){if(action._cacheIndex===null){// this action has been forgotten by the cache, but the user + // appears to be still using it -> rebind + var rootUuid=(action._localRoot||this._root).uuid,clipUuid=action._clip.uuid,actionsForClip=this._actionsByClip[clipUuid];this._bindAction(action,actionsForClip&&actionsForClip.knownActions[0]);this._addInactiveAction(action,clipUuid,rootUuid);}var bindings=action._propertyBindings;// increment reference counts / sort out state + for(var i=0,n=bindings.length;i!==n;++i){var binding=bindings[i];if(binding.useCount++===0){this._lendBinding(binding);binding.saveOriginalState();}}this._lendAction(action);}},_deactivateAction:function _deactivateAction(action){if(this._isActiveAction(action)){var bindings=action._propertyBindings;// decrement reference counts / sort out state + for(var i=0,n=bindings.length;i!==n;++i){var binding=bindings[i];if(--binding.useCount===0){binding.restoreOriginalState();this._takeBackBinding(binding);}}this._takeBackAction(action);}},// Memory manager + _initMemoryManager:function _initMemoryManager(){this._actions=[];// 'nActiveActions' followed by inactive ones + this._nActiveActions=0;this._actionsByClip={};// inside: + // { + // knownActions: Array< AnimationAction > - used as prototypes + // actionByRoot: AnimationAction - lookup + // } + this._bindings=[];// 'nActiveBindings' followed by inactive ones + this._nActiveBindings=0;this._bindingsByRootAndName={};// inside: Map< name, PropertyMixer > + this._controlInterpolants=[];// same game as above + this._nActiveControlInterpolants=0;var scope=this;this.stats={actions:Object.defineProperties({},{total:{get:function get(){return scope._actions.length;},configurable:true,enumerable:true},inUse:{get:function get(){return scope._nActiveActions;},configurable:true,enumerable:true}}),bindings:Object.defineProperties({},{total:{get:function get(){return scope._bindings.length;},configurable:true,enumerable:true},inUse:{get:function get(){return scope._nActiveBindings;},configurable:true,enumerable:true}}),controlInterpolants:Object.defineProperties({},{total:{get:function get(){return scope._controlInterpolants.length;},configurable:true,enumerable:true},inUse:{get:function get(){return scope._nActiveControlInterpolants;},configurable:true,enumerable:true}})};},// Memory management for AnimationAction objects + _isActiveAction:function _isActiveAction(action){var index=action._cacheIndex;return index!==null&&index| inactive actions ] + // s a + // <-swap-> + // a s + var actions=this._actions,prevIndex=action._cacheIndex,lastActiveIndex=this._nActiveActions++,firstInactiveAction=actions[lastActiveIndex];action._cacheIndex=lastActiveIndex;actions[lastActiveIndex]=action;firstInactiveAction._cacheIndex=prevIndex;actions[prevIndex]=firstInactiveAction;},_takeBackAction:function _takeBackAction(action){// [ active actions | inactive actions ] + // [ active actions |< inactive actions ] + // a s + // <-swap-> + // s a + var actions=this._actions,prevIndex=action._cacheIndex,firstInactiveIndex=--this._nActiveActions,lastActiveAction=actions[firstInactiveIndex];action._cacheIndex=firstInactiveIndex;actions[firstInactiveIndex]=action;lastActiveAction._cacheIndex=prevIndex;actions[prevIndex]=lastActiveAction;},// Memory management for PropertyMixer objects + _addInactiveBinding:function _addInactiveBinding(binding,rootUuid,trackName){var bindingsByRoot=this._bindingsByRootAndName,bindingByName=bindingsByRoot[rootUuid],bindings=this._bindings;if(bindingByName===undefined){bindingByName={};bindingsByRoot[rootUuid]=bindingByName;}bindingByName[trackName]=binding;binding._cacheIndex=bindings.length;bindings.push(binding);},_removeInactiveBinding:function _removeInactiveBinding(binding){var bindings=this._bindings,propBinding=binding.binding,rootUuid=propBinding.rootNode.uuid,trackName=propBinding.path,bindingsByRoot=this._bindingsByRootAndName,bindingByName=bindingsByRoot[rootUuid],lastInactiveBinding=bindings[bindings.length-1],cacheIndex=binding._cacheIndex;lastInactiveBinding._cacheIndex=cacheIndex;bindings[cacheIndex]=lastInactiveBinding;bindings.pop();delete bindingByName[trackName];if(Object.keys(bindingByName).length===0){delete bindingsByRoot[rootUuid];}},_lendBinding:function _lendBinding(binding){var bindings=this._bindings,prevIndex=binding._cacheIndex,lastActiveIndex=this._nActiveBindings++,firstInactiveBinding=bindings[lastActiveIndex];binding._cacheIndex=lastActiveIndex;bindings[lastActiveIndex]=binding;firstInactiveBinding._cacheIndex=prevIndex;bindings[prevIndex]=firstInactiveBinding;},_takeBackBinding:function _takeBackBinding(binding){var bindings=this._bindings,prevIndex=binding._cacheIndex,firstInactiveIndex=--this._nActiveBindings,lastActiveBinding=bindings[firstInactiveIndex];binding._cacheIndex=firstInactiveIndex;bindings[firstInactiveIndex]=binding;lastActiveBinding._cacheIndex=prevIndex;bindings[prevIndex]=lastActiveBinding;},// Memory management of Interpolants for weight and time scale + _lendControlInterpolant:function _lendControlInterpolant(){var interpolants=this._controlInterpolants,lastActiveIndex=this._nActiveControlInterpolants++,interpolant=interpolants[lastActiveIndex];if(interpolant===undefined){interpolant=new LinearInterpolant(new Float32Array(2),new Float32Array(2),1,this._controlInterpolantsResultBuffer);interpolant.__cacheIndex=lastActiveIndex;interpolants[lastActiveIndex]=interpolant;}return interpolant;},_takeBackControlInterpolant:function _takeBackControlInterpolant(interpolant){var interpolants=this._controlInterpolants,prevIndex=interpolant.__cacheIndex,firstInactiveIndex=--this._nActiveControlInterpolants,lastActiveInterpolant=interpolants[firstInactiveIndex];interpolant.__cacheIndex=firstInactiveIndex;interpolants[firstInactiveIndex]=interpolant;lastActiveInterpolant.__cacheIndex=prevIndex;interpolants[prevIndex]=lastActiveInterpolant;},_controlInterpolantsResultBuffer:new Float32Array(1),// return an action for a clip optionally using a custom root target + // object (this method allocates a lot of dynamic memory in case a + // previously unknown clip/root combination is specified) + clipAction:function clipAction(clip,optionalRoot){var root=optionalRoot||this._root,rootUuid=root.uuid,clipObject=typeof clip==='string'?AnimationClip.findByName(root,clip):clip,clipUuid=clipObject!==null?clipObject.uuid:clip,actionsForClip=this._actionsByClip[clipUuid],prototypeAction=null;if(actionsForClip!==undefined){var existingAction=actionsForClip.actionByRoot[rootUuid];if(existingAction!==undefined){return existingAction;}// we know the clip, so we don't have to parse all + // the bindings again but can just copy + prototypeAction=actionsForClip.knownActions[0];// also, take the clip from the prototype action + if(clipObject===null)clipObject=prototypeAction._clip;}// clip must be known when specified via string + if(clipObject===null)return null;// allocate all resources required to run it + var newAction=new AnimationAction(this,clipObject,optionalRoot);this._bindAction(newAction,prototypeAction);// and make the action known to the memory manager + this._addInactiveAction(newAction,clipUuid,rootUuid);return newAction;},// get an existing action + existingAction:function existingAction(clip,optionalRoot){var root=optionalRoot||this._root,rootUuid=root.uuid,clipObject=typeof clip==='string'?AnimationClip.findByName(root,clip):clip,clipUuid=clipObject?clipObject.uuid:clip,actionsForClip=this._actionsByClip[clipUuid];if(actionsForClip!==undefined){return actionsForClip.actionByRoot[rootUuid]||null;}return null;},// deactivates all previously scheduled actions + stopAllAction:function stopAllAction(){var actions=this._actions,nActions=this._nActiveActions,bindings=this._bindings,nBindings=this._nActiveBindings;this._nActiveActions=0;this._nActiveBindings=0;for(var i=0;i!==nActions;++i){actions[i].reset();}for(var i=0;i!==nBindings;++i){bindings[i].useCount=0;}return this;},// advance the time and update apply the animation + update:function update(deltaTime){deltaTime*=this.timeScale;var actions=this._actions,nActions=this._nActiveActions,time=this.time+=deltaTime,timeDirection=Math.sign(deltaTime),accuIndex=this._accuIndex^=1;// run active actions + for(var i=0;i!==nActions;++i){var action=actions[i];action._update(time,deltaTime,timeDirection,accuIndex);}// update scene graph + var bindings=this._bindings,nBindings=this._nActiveBindings;for(var i=0;i!==nBindings;++i){bindings[i].apply(accuIndex);}return this;},// Allows you to seek to a specific time in an animation. + setTime:function setTime(timeInSeconds){this.time=0;// Zero out time attribute for AnimationMixer object; + for(var i=0;ithis.max.x||point.ythis.max.y?false:true;},containsBox:function containsBox(box){return this.min.x<=box.min.x&&box.max.x<=this.max.x&&this.min.y<=box.min.y&&box.max.y<=this.max.y;},getParameter:function getParameter(point,target){// This can potentially have a divide by zero if the box + // has a size dimension of 0. + if(target===undefined){console.warn('THREE.Box2: .getParameter() target is now required');target=new Vector2();}return target.set((point.x-this.min.x)/(this.max.x-this.min.x),(point.y-this.min.y)/(this.max.y-this.min.y));},intersectsBox:function intersectsBox(box){// using 4 splitting planes to rule out intersections + return box.max.xthis.max.x||box.max.ythis.max.y?false:true;},clampPoint:function clampPoint(point,target){if(target===undefined){console.warn('THREE.Box2: .clampPoint() target is now required');target=new Vector2();}return target.copy(point).clamp(this.min,this.max);},distanceToPoint:function distanceToPoint(point){var clampedPoint=_vector$6.copy(point).clamp(this.min,this.max);return clampedPoint.sub(point).length();},intersect:function intersect(box){this.min.max(box.min);this.max.min(box.max);return this;},union:function union(box){this.min.min(box.min);this.max.max(box.max);return this;},translate:function translate(offset){this.min.add(offset);this.max.add(offset);return this;},equals:function equals(box){return box.min.equals(this.min)&&box.max.equals(this.max);}});/** + * @author bhouston / http://clara.io + */var _startP=new Vector3();var _startEnd=new Vector3();function Line3(start,end){this.start=start!==undefined?start:new Vector3();this.end=end!==undefined?end:new Vector3();}Object.assign(Line3.prototype,{set:function set(start,end){this.start.copy(start);this.end.copy(end);return this;},clone:function clone(){return new this.constructor().copy(this);},copy:function copy(line){this.start.copy(line.start);this.end.copy(line.end);return this;},getCenter:function getCenter(target){if(target===undefined){console.warn('THREE.Line3: .getCenter() target is now required');target=new Vector3();}return target.addVectors(this.start,this.end).multiplyScalar(0.5);},delta:function delta(target){if(target===undefined){console.warn('THREE.Line3: .delta() target is now required');target=new Vector3();}return target.subVectors(this.end,this.start);},distanceSq:function distanceSq(){return this.start.distanceToSquared(this.end);},distance:function distance(){return this.start.distanceTo(this.end);},at:function at(t,target){if(target===undefined){console.warn('THREE.Line3: .at() target is now required');target=new Vector3();}return this.delta(target).multiplyScalar(t).add(this.start);},closestPointToPointParameter:function closestPointToPointParameter(point,clampToLine){_startP.subVectors(point,this.start);_startEnd.subVectors(this.end,this.start);var startEnd2=_startEnd.dot(_startEnd);var startEnd_startP=_startEnd.dot(_startP);var t=startEnd_startP/startEnd2;if(clampToLine){t=_Math.clamp(t,0,1);}return t;},closestPointToPoint:function closestPointToPoint(point,clampToLine,target){var t=this.closestPointToPointParameter(point,clampToLine);if(target===undefined){console.warn('THREE.Line3: .closestPointToPoint() target is now required');target=new Vector3();}return this.delta(target).multiplyScalar(t).add(this.start);},applyMatrix4:function applyMatrix4(matrix){this.start.applyMatrix4(matrix);this.end.applyMatrix4(matrix);return this;},equals:function equals(line){return line.start.equals(this.start)&&line.end.equals(this.end);}});/** + * @author alteredq / http://alteredqualia.com/ + */function ImmediateRenderObject(material){Object3D.call(this);this.material=material;this.render=function()/* renderCallback */{};}ImmediateRenderObject.prototype=Object.create(Object3D.prototype);ImmediateRenderObject.prototype.constructor=ImmediateRenderObject;ImmediateRenderObject.prototype.isImmediateRenderObject=true;/** + * @author mrdoob / http://mrdoob.com/ + * @author WestLangley / http://github.com/WestLangley + */var _v1$5=new Vector3();var _v2$3=new Vector3();var _normalMatrix$1=new Matrix3();var _keys=['a','b','c'];function VertexNormalsHelper(object,size,hex,linewidth){this.object=object;this.size=size!==undefined?size:1;var color=hex!==undefined?hex:0xff0000;var width=linewidth!==undefined?linewidth:1;// + var nNormals=0;var objGeometry=this.object.geometry;if(objGeometry&&objGeometry.isGeometry){nNormals=objGeometry.faces.length*3;}else if(objGeometry&&objGeometry.isBufferGeometry){nNormals=objGeometry.attributes.normal.count;}// + var geometry=new BufferGeometry();var positions=new Float32BufferAttribute(nNormals*2*3,3);geometry.setAttribute('position',positions);LineSegments.call(this,geometry,new LineBasicMaterial({color:color,linewidth:width}));// + this.matrixAutoUpdate=false;this.update();}VertexNormalsHelper.prototype=Object.create(LineSegments.prototype);VertexNormalsHelper.prototype.constructor=VertexNormalsHelper;VertexNormalsHelper.prototype.update=function(){this.object.updateMatrixWorld(true);_normalMatrix$1.getNormalMatrix(this.object.matrixWorld);var matrixWorld=this.object.matrixWorld;var position=this.geometry.attributes.position;// + var objGeometry=this.object.geometry;if(objGeometry&&objGeometry.isGeometry){var vertices=objGeometry.vertices;var faces=objGeometry.faces;var idx=0;for(var i=0,l=faces.length;i1)c.multiplyScalar(1/max);this.children[0].material.color.copy(this.material.color);}};RectAreaLightHelper.prototype.dispose=function(){this.geometry.dispose();this.material.dispose();this.children[0].geometry.dispose();this.children[0].material.dispose();};/** + * @author alteredq / http://alteredqualia.com/ + * @author mrdoob / http://mrdoob.com/ + * @author Mugen87 / https://github.com/Mugen87 + */var _vector$9=new Vector3();var _color1=new Color();var _color2=new Color();function HemisphereLightHelper(light,size,color){Object3D.call(this);this.light=light;this.light.updateMatrixWorld();this.matrix=light.matrixWorld;this.matrixAutoUpdate=false;this.color=color;var geometry=new OctahedronBufferGeometry(size);geometry.rotateY(Math.PI*0.5);this.material=new MeshBasicMaterial({wireframe:true,fog:false});if(this.color===undefined)this.material.vertexColors=VertexColors;var position=geometry.getAttribute('position');var colors=new Float32Array(position.count*3);geometry.setAttribute('color',new BufferAttribute(colors,3));this.add(new Mesh(geometry,this.material));this.update();}HemisphereLightHelper.prototype=Object.create(Object3D.prototype);HemisphereLightHelper.prototype.constructor=HemisphereLightHelper;HemisphereLightHelper.prototype.dispose=function(){this.children[0].geometry.dispose();this.children[0].material.dispose();};HemisphereLightHelper.prototype.update=function(){var mesh=this.children[0];if(this.color!==undefined){this.material.color.set(this.color);}else{var colors=mesh.geometry.getAttribute('color');_color1.copy(this.light.color);_color2.copy(this.light.groundColor);for(var i=0,l=colors.count;i0.99999){this.quaternion.set(0,0,0,1);}else if(dir.y<-0.99999){this.quaternion.set(1,0,0,0);}else{_axis.set(dir.z,0,-dir.x).normalize();var radians=Math.acos(dir.y);this.quaternion.setFromAxisAngle(_axis,radians);}};ArrowHelper.prototype.setLength=function(length,headLength,headWidth){if(headLength===undefined)headLength=0.2*length;if(headWidth===undefined)headWidth=0.2*headLength;this.line.scale.set(1,Math.max(0.0001,length-headLength),1);// see #17458 + this.line.updateMatrix();this.cone.scale.set(headWidth,headLength,headWidth);this.cone.position.y=length;this.cone.updateMatrix();};ArrowHelper.prototype.setColor=function(color){this.line.material.color.set(color);this.cone.material.color.set(color);};ArrowHelper.prototype.copy=function(source){Object3D.prototype.copy.call(this,source,false);this.line.copy(source.line);this.cone.copy(source.cone);return this;};ArrowHelper.prototype.clone=function(){return new this.constructor().copy(this);};/** + * @author sroucheray / http://sroucheray.org/ + * @author mrdoob / http://mrdoob.com/ + */function AxesHelper(size){size=size||1;var vertices=[0,0,0,size,0,0,0,0,0,0,size,0,0,0,0,0,0,size];var colors=[1,0,0,1,0.6,0,0,1,0,0.6,1,0,0,0,1,0,0.6,1];var geometry=new BufferGeometry();geometry.setAttribute('position',new Float32BufferAttribute(vertices,3));geometry.setAttribute('color',new Float32BufferAttribute(colors,3));var material=new LineBasicMaterial({vertexColors:VertexColors});LineSegments.call(this,geometry,material);}AxesHelper.prototype=Object.create(LineSegments.prototype);AxesHelper.prototype.constructor=AxesHelper;/** + * @author mrdoob / http://mrdoob.com/ + */function Face4(a,b,c,d,normal,color,materialIndex){console.warn('THREE.Face4 has been removed. A THREE.Face3 will be created instead.');return new Face3(a,b,c,normal,color,materialIndex);}var LineStrip=0;var LinePieces=1;function MeshFaceMaterial(materials){console.warn('THREE.MeshFaceMaterial has been removed. Use an Array instead.');return materials;}function MultiMaterial(materials){if(materials===undefined)materials=[];console.warn('THREE.MultiMaterial has been removed. Use an Array instead.');materials.isMultiMaterial=true;materials.materials=materials;materials.clone=function(){return materials.slice();};return materials;}function PointCloud(geometry,material){console.warn('THREE.PointCloud has been renamed to THREE.Points.');return new Points(geometry,material);}function Particle(material){console.warn('THREE.Particle has been renamed to THREE.Sprite.');return new Sprite(material);}function ParticleSystem(geometry,material){console.warn('THREE.ParticleSystem has been renamed to THREE.Points.');return new Points(geometry,material);}function PointCloudMaterial(parameters){console.warn('THREE.PointCloudMaterial has been renamed to THREE.PointsMaterial.');return new PointsMaterial(parameters);}function ParticleBasicMaterial(parameters){console.warn('THREE.ParticleBasicMaterial has been renamed to THREE.PointsMaterial.');return new PointsMaterial(parameters);}function ParticleSystemMaterial(parameters){console.warn('THREE.ParticleSystemMaterial has been renamed to THREE.PointsMaterial.');return new PointsMaterial(parameters);}function Vertex(x,y,z){console.warn('THREE.Vertex has been removed. Use THREE.Vector3 instead.');return new Vector3(x,y,z);}// + function DynamicBufferAttribute(array,itemSize){console.warn('THREE.DynamicBufferAttribute has been removed. Use new THREE.BufferAttribute().setDynamic( true ) instead.');return new BufferAttribute(array,itemSize).setDynamic(true);}function Int8Attribute(array,itemSize){console.warn('THREE.Int8Attribute has been removed. Use new THREE.Int8BufferAttribute() instead.');return new Int8BufferAttribute(array,itemSize);}function Uint8Attribute(array,itemSize){console.warn('THREE.Uint8Attribute has been removed. Use new THREE.Uint8BufferAttribute() instead.');return new Uint8BufferAttribute(array,itemSize);}function Uint8ClampedAttribute(array,itemSize){console.warn('THREE.Uint8ClampedAttribute has been removed. Use new THREE.Uint8ClampedBufferAttribute() instead.');return new Uint8ClampedBufferAttribute(array,itemSize);}function Int16Attribute(array,itemSize){console.warn('THREE.Int16Attribute has been removed. Use new THREE.Int16BufferAttribute() instead.');return new Int16BufferAttribute(array,itemSize);}function Uint16Attribute(array,itemSize){console.warn('THREE.Uint16Attribute has been removed. Use new THREE.Uint16BufferAttribute() instead.');return new Uint16BufferAttribute(array,itemSize);}function Int32Attribute(array,itemSize){console.warn('THREE.Int32Attribute has been removed. Use new THREE.Int32BufferAttribute() instead.');return new Int32BufferAttribute(array,itemSize);}function Uint32Attribute(array,itemSize){console.warn('THREE.Uint32Attribute has been removed. Use new THREE.Uint32BufferAttribute() instead.');return new Uint32BufferAttribute(array,itemSize);}function Float32Attribute(array,itemSize){console.warn('THREE.Float32Attribute has been removed. Use new THREE.Float32BufferAttribute() instead.');return new Float32BufferAttribute(array,itemSize);}function Float64Attribute(array,itemSize){console.warn('THREE.Float64Attribute has been removed. Use new THREE.Float64BufferAttribute() instead.');return new Float64BufferAttribute(array,itemSize);}// + Curve.create=function(construct,getPoint){console.log('THREE.Curve.create() has been deprecated');construct.prototype=Object.create(Curve.prototype);construct.prototype.constructor=construct;construct.prototype.getPoint=getPoint;return construct;};// + Object.assign(CurvePath.prototype,{createPointsGeometry:function createPointsGeometry(divisions){console.warn('THREE.CurvePath: .createPointsGeometry() has been removed. Use new THREE.Geometry().setFromPoints( points ) instead.');// generate geometry from path points (for Line or Points objects) + var pts=this.getPoints(divisions);return this.createGeometry(pts);},createSpacedPointsGeometry:function createSpacedPointsGeometry(divisions){console.warn('THREE.CurvePath: .createSpacedPointsGeometry() has been removed. Use new THREE.Geometry().setFromPoints( points ) instead.');// generate geometry from equidistant sampling along the path + var pts=this.getSpacedPoints(divisions);return this.createGeometry(pts);},createGeometry:function createGeometry(points){console.warn('THREE.CurvePath: .createGeometry() has been removed. Use new THREE.Geometry().setFromPoints( points ) instead.');var geometry=new Geometry();for(var i=0,l=points.length;i Math.PI / 2) { - vectorB.negate(); + if (prevWing !== null && prevWing.length() > 0.0001) { + var needToNegate = vectorB.length() > 0.0001 && Math.abs(prevWing.angleTo(vectorB)) > Math.PI / 2; + + if (needToNegate) { + vectorB.negate(); + } } return vectorB; } }, { key: "_innerFinalize", - value: function _innerFinalize(prevRes, prev, nextRes, dst, getAtomPosition) { + value: function _innerFinalize(prevRes, prev, nextRes, dst, chainAsNucleic, getAtomPosition) { var bFirstInChain = prev === null; var lp = getAtomPosition(this._leadAtom); var currLeadPos = new Vector3(lp.x, lp.y, lp.z); - if ((this._type.flags & ResidueType.Flags.NUCLEIC) !== 0) { + if (chainAsNucleic) { this._detectLeadWing(dst, nextRes, getAtomPosition); return; @@ -70155,9 +24772,9 @@ } }, { key: "_finalize2", - value: function _finalize2(prev, next) { + value: function _finalize2(prev, next, asNucleic) { // Should be called AFTER first finalize - this._innerFinalize(prev, prev, next, this, function (atom) { + this._innerFinalize(prev, prev, next, this, asNucleic, function (atom) { return atom._position; }); } @@ -70258,6 +24875,218 @@ return Residue; }(); + /** + * Residue type. + * + * Predefined acid or created with HET, HETNAM, etc. + * + * @param {string} name - Short name, either standard (ALA, MET, etc.) or non-standard one. + * @param {string} fullName - Full residue name. + * @param {string} letterCode - 1-letter symbol. + * + * @exports ResidueType + * @constructor + */ + var ResidueType = + /*#__PURE__*/ + function () { + function ResidueType(name, fullName, letterCode) { + classCallCheck(this, ResidueType); + + this._name = name; + this._fullName = fullName; + this.letterCode = letterCode; + this.flags = 0x0000; + } + + createClass(ResidueType, [{ + key: "getName", + value: function getName() { + return this._name; + } // DO NOT EDIT MANUALLY! Autogenerated from residue_types.csv by residue_types.py. + + }]); + + return ResidueType; + }(); // Flag combinations + + + defineProperty(ResidueType, "StandardTypes", { + /* eslint-disable no-magic-numbers */ + ALA: new ResidueType('ALA', 'Alanine', 'A'), + ARG: new ResidueType('ARG', 'Arginine', 'R'), + ASN: new ResidueType('ASN', 'Asparagine', 'N'), + ASP: new ResidueType('ASP', 'Aspartic Acid', 'D'), + CYS: new ResidueType('CYS', 'Cysteine', 'C'), + GLN: new ResidueType('GLN', 'Glutamine', 'Q'), + GLU: new ResidueType('GLU', 'Glutamic Acid', 'E'), + GLY: new ResidueType('GLY', 'Glycine', 'G'), + HIS: new ResidueType('HIS', 'Histidine', 'H'), + ILE: new ResidueType('ILE', 'Isoleucine', 'I'), + LEU: new ResidueType('LEU', 'Leucine', 'L'), + LYS: new ResidueType('LYS', 'Lysine', 'K'), + MET: new ResidueType('MET', 'Methionine', 'M'), + PHE: new ResidueType('PHE', 'Phenylalanine', 'F'), + PRO: new ResidueType('PRO', 'Proline', 'P'), + PYL: new ResidueType('PYL', 'Pyrrolysine', 'O'), + SEC: new ResidueType('SEC', 'Selenocysteine', 'U'), + SER: new ResidueType('SER', 'Serine', 'S'), + THR: new ResidueType('THR', 'Threonine', 'T'), + TRP: new ResidueType('TRP', 'Tryptophan', 'W'), + TYR: new ResidueType('TYR', 'Tyrosine', 'Y'), + VAL: new ResidueType('VAL', 'Valine', 'V'), + A: new ResidueType('A', 'Adenine', 'A'), + C: new ResidueType('C', 'Cytosine', 'C'), + G: new ResidueType('G', 'Guanine', 'G'), + I: new ResidueType('I', 'Inosine', 'I'), + T: new ResidueType('T', 'Thymine', 'T'), + U: new ResidueType('U', 'Uracil', 'U'), + DA: new ResidueType('DA', 'Adenine', 'A'), + DC: new ResidueType('DC', 'Cytosine', 'C'), + DG: new ResidueType('DG', 'Guanine', 'G'), + DI: new ResidueType('DI', 'Inosine', 'I'), + DT: new ResidueType('DT', 'Thymine', 'T'), + DU: new ResidueType('DU', 'Uracil', 'U'), + '+A': new ResidueType('+A', 'Adenine', 'A'), + '+C': new ResidueType('+C', 'Cytosine', 'C'), + '+G': new ResidueType('+G', 'Guanine', 'G'), + '+I': new ResidueType('+I', 'Inosine', 'I'), + '+T': new ResidueType('+T', 'Thymine', 'T'), + '+U': new ResidueType('+U', 'Uracil', 'U'), + WAT: new ResidueType('WAT', 'Water', ''), + H2O: new ResidueType('H2O', 'Water', ''), + HOH: new ResidueType('HOH', 'Water', ''), + DOD: new ResidueType('DOD', 'Water', ''), + UNK: new ResidueType('UNK', 'Unknown', ''), + UNL: new ResidueType('UNL', 'Unknown Ligand', '') + /* eslint-enable no-magic-numbers */ + + }); + + defineProperty(ResidueType, "Flags", { + // Amino acids + + /** Amino acid residue */ + PROTEIN: 0x0001, + + /** Basic amino acid residue */ + BASIC: 0x0002, + + /** Acidic amino acid residue */ + ACIDIC: 0x0004, + + /** Polar uncharged side chain amino acid residue */ + POLAR: 0x0008, + + /** Non-polar hydrophobic side chain amino acid residue */ + NONPOLAR: 0x0010, + + /** Aromatic amino acid residue */ + AROMATIC: 0x0020, + // Nucleic acids + + /** Nucleic residue */ + NUCLEIC: 0x0100, + + /** Purine nucleic residue */ + PURINE: 0x0200, + + /** Pyrimidine nucleic residue */ + PYRIMIDINE: 0x0400, + + /** DNA */ + DNA: 0x0800, + + /** RNA */ + RNA: 0x1000, + + /** Water */ + WATER: 0x10000 + }); + + function _addFlag(flag, list) { + for (var i = 0, n = list.length; i < n; ++i) { + var res = ResidueType.StandardTypes[list[i]]; + + if (res) { + res.flags |= flag; + } + } + } + + var Flags = ResidueType.Flags; + + _addFlag(Flags.WATER, ['WAT', 'H2O', 'HOH', 'DOD']); + + _addFlag(Flags.PROTEIN, ['ALA', 'ARG', 'ASN', 'ASP', 'CYS', 'GLY', 'GLU', 'GLN', 'HIS', 'ILE', 'LEU', 'LYS', 'MET', 'PHE', 'PRO', 'PYL', 'SEC', 'SER', 'THR', 'TRP', 'TYR', 'VAL']); + + _addFlag(Flags.BASIC, ['ARG', 'HIS', 'LYS']); + + _addFlag(Flags.ACIDIC, ['ASP', 'GLU']); + + _addFlag(Flags.POLAR, ['ASN', 'CYS', 'GLN', 'SER', 'THR', 'TYR']); + + _addFlag(Flags.NONPOLAR, ['ALA', 'ILE', 'LEU', 'MET', 'PHE', 'PRO', 'TRP', 'VAL', 'GLY']); + + _addFlag(Flags.AROMATIC, ['PHE', 'TRP', 'TYR']); + + _addFlag(Flags.NUCLEIC, ['A', 'G', 'I', 'DA', 'DG', 'DI', '+A', '+G', '+I', 'C', 'T', 'U', 'DC', 'DT', 'DU', '+C', '+T', '+U']); + + _addFlag(Flags.PURINE, ['A', 'G', 'I', 'DA', 'DG', 'DI', '+A', '+G', '+I']); + + _addFlag(Flags.PYRIMIDINE, ['C', 'T', 'U', 'DC', 'DT', 'DU', '+C', '+T', '+U']); + + _addFlag(Flags.DNA, ['DA', 'DG', 'DI', 'DC', 'DT', 'DU']); + + _addFlag(Flags.RNA, ['A', 'G', 'I', 'C', 'T', 'U']); // Table of kdHydrophobicity + + + var hydro = { + ILE: 4.5, + VAL: 4.2, + LEU: 3.8, + PHE: 2.8, + CYS: 2.5, + MET: 1.9, + ALA: 1.8, + GLY: -0.4, + THR: -0.7, + SER: -0.8, + TRP: -0.9, + TYR: -1.3, + PRO: -1.6, + HIS: -3.2, + GLU: -3.5, + GLN: -3.5, + ASP: -3.5, + ASN: -3.5, + LYS: -3.9, + ARG: -4.5 + }; + + function _addParam(param, list) { + var keys = Object.keys(list); + + for (var i = 0, n = keys.length; i < n; ++i) { + var key = keys[i]; + var value = list[key]; + ResidueType.StandardTypes[key][param] = value; + } + } + + _addParam('hydrophobicity', hydro); + + /** + * Residues in chain are either amino acid either nucleic acid (and water) + * There might be some modified/mutated residues, which type could not be determined by their name (nucleic or amino); In this + * case firstly program definites the chain type (by well-known residues) and then definites modified/mutated residues + */ + + var ChainType = { + UNKNOWN: 0, + PROTEIN: 1, + NUCLEIC: 2 + }; /** * Residue chain. * @@ -70298,6 +25127,27 @@ value: function getResidues() { return this._residues; } + }, { + key: "_determineType", + value: function _determineType() { + var residues = this._residues; + var _ResidueType$Flags = ResidueType.Flags, + PROTEIN = _ResidueType$Flags.PROTEIN, + NUCLEIC = _ResidueType$Flags.NUCLEIC; + this.type = ChainType.UNKNOWN; + + for (var i = 0, n = residues.length; i < n; ++i) { + var flags = residues[i]._type.flags; + + if ((flags & NUCLEIC) !== 0) { + this.type = ChainType.NUCLEIC; + break; + } else if ((flags & PROTEIN) !== 0) { + this.type = ChainType.PROTEIN; + break; + } + } + } /** * Finds thre residue with specified sequence number and inserion code * @param {Number} seqNum sequence number @@ -70323,6 +25173,8 @@ }, { key: "_finalize", value: function _finalize() { + this._determineType(); + var residues = this._residues; var prev = null; @@ -70332,14 +25184,14 @@ { // eslint-disable-line no-constant-condition - curr._finalize2(prev, next); + curr._finalize2(prev, next, this.type === ChainType.NUCLEIC); prev = curr; } } // fix very first wing - if (residues.length > 1) { + if (residues.length > 1 && residues[1]._wingVector) { var p = residues[1]._wingVector; residues[0]._wingVector = new Vector3(p.x, p.y, p.z); } else if (residues.length > 0) { @@ -70364,7 +25216,7 @@ var currData = frameRes[curr._index]; var nextRes = i + 1 < n ? residues[i + 1] : null; - curr._innerFinalize(prev, prevData, nextRes, currData, getAtomPos); + curr._innerFinalize(prev, prevData, nextRes, currData, this.type === ChainType.NUCLEIC, getAtomPos); prev = curr; prevData = currData; @@ -71135,7 +25987,6 @@ switch (yystate) { case 1: return $$[$0 - 1]; - break; case 3: this.$ = yy.keyword('or')($$[$0 - 2], $$[$0]); @@ -71795,84 +26646,64 @@ case 1: return 20; - break; case 2: return 7; - break; case 3: return 8; - break; case 4: return 9; - break; case 5: return 12; - break; case 6: return 16; - break; case 7: return 14; - break; case 8: return 10; - break; case 9: return 11; - break; case 10: return 19; - break; case 11: return 21; - break; case 12: return '<='; - break; case 13: return '>='; - break; case 14: return '<'; - break; case 15: return '>'; - break; case 16: yy_.yytext = yy_.yytext.substr(1, yy_.yyleng - 2); return 24; - break; case 17: return 13; - break; case 18: return 23; - break; case 19: return 5; - break; case 20: return 'INVALID'; - break; } }, rules: [/^(?:\s+)/i, /^(?:(-?(?:[1-9][0-9]+|[0-9]))\b)/i, /^(?:OR\b)/i, /^(?:AND\b)/i, /^(?:NOT\b)/i, /^(?:((ALL|NONE|HETATM|PROTEIN|BASIC|ACIDIC|CHARGED|POLAR|NONPOLAR|AROMATIC|NUCLEIC|PURINE|PYRIMIDINE|WATER|POLARH|NONPOLARH))\b)/i, /^(?:((NAME|ELEM|TYPE|RESIDUE|ICODE|CHAIN|ALTLOC))\b)/i, /^(?:((SERIAL|SEQUENCE|RESIDX))\b)/i, /^(?:\()/i, /^(?:\))/i, /^(?:,)/i, /^(?::)/i, /^(?:<=)/i, /^(?:>=)/i, /^(?:<)/i, /^(?:>)/i, /^(?:((?:"(?:\\.|[^\\"])*"|'(?:\\.|[^\\'])*')))/i, /^(?:(@[_A-Z0-9]+))/i, /^(?:([_A-Z0-9]+))/i, /^(?:$)/i, /^(?:.)/i], @@ -74504,20 +29335,20 @@ if (this._hbonds.isBond(inResidues[i + stride]._index, inResidues[i]._index) /* && NoChainBreak(res[i], res[i + stride]) */ ) { - this._helixFlags[stride][inResidues[i + stride]._index] = HelixFlag.END; + this._helixFlags[stride][inResidues[i + stride]._index] = HelixFlag.END; - for (var j = i + 1; j < i + stride; ++j) { - if (typeof this._helixFlags[stride][inResidues[j]._index] === 'undefined') { - this._helixFlags[stride][inResidues[j]._index] = HelixFlag.MIDDLE; + for (var j = i + 1; j < i + stride; ++j) { + if (typeof this._helixFlags[stride][inResidues[j]._index] === 'undefined') { + this._helixFlags[stride][inResidues[j]._index] = HelixFlag.MIDDLE; + } } - } - if (this._helixFlags[stride][inResidues[i]._index] === HelixFlag.END) { - this._helixFlags[stride][inResidues[i]._index] = HelixFlag.START_AND_END; - } else { - this._helixFlags[stride][inResidues[i]._index] = HelixFlag.START; + if (this._helixFlags[stride][inResidues[i]._index] === HelixFlag.END) { + this._helixFlags[stride][inResidues[i]._index] = HelixFlag.START_AND_END; + } else { + this._helixFlags[stride][inResidues[i]._index] = HelixFlag.START; + } } - } } } @@ -77092,7 +31923,7 @@ var vertexShader = "float INSTANCED_SPRITE_OVERSCALE = 1.3;\r\n\r\nattribute vec3 normal;\r\n\r\n#ifdef NORMALS_TO_G_BUFFER\r\n varying vec3 viewNormal;\r\n#endif\r\n#if !defined (SPHERE_SPRITE) && !defined (CYLINDER_SPRITE)\r\n varying vec3 vNormal;\r\n#endif\r\n\r\n#ifdef THICK_LINE\r\n attribute vec4 position; // W contains vert pos or neg offset\r\n#else\r\n attribute vec3 position;\r\n#endif\r\n\r\nvarying vec3 vWorldPosition;\r\nvarying vec3 vViewPosition;\r\n\r\n#ifdef ATTR_ALPHA_COLOR\r\n attribute float alphaColor;\r\n varying float alphaCol;\r\n#endif\r\n\r\n#if defined(USE_LIGHTS) && defined(SHADOWMAP)\r\n\t#if NUM_DIR_LIGHTS > 0\r\n\t\tuniform mat4 directionalShadowMatrix[ NUM_DIR_LIGHTS ];\r\n\t\tvarying vec4 vDirectionalShadowCoord[ NUM_DIR_LIGHTS ];\r\n\t\tvarying vec3 vDirectionalShadowNormal[ NUM_DIR_LIGHTS ];\r\n\t#endif\r\n#endif\r\n\r\n#ifdef ATTR_COLOR\r\n attribute vec3 color;\r\n varying vec3 vColor;\r\n#endif\r\n\r\n#ifdef ATTR_COLOR2\r\n attribute vec3 color2;\r\n varying vec3 vColor2;\r\n attribute vec2 uv;\r\n #ifndef CYLINDER_SPRITE\r\n varying vec2 vUv;\r\n #endif\r\n#endif\r\n\r\n#ifdef INSTANCED_POS\r\n attribute vec4 offset;\r\n #ifdef SPHERE_SPRITE\r\n varying vec4 instOffset;\r\n varying vec4 spritePosEye;\r\n #endif\r\n#endif\r\n\r\n#ifdef INSTANCED_MATRIX\r\n attribute vec4 matVector1;\r\n attribute vec4 matVector2;\r\n attribute vec4 matVector3;\r\n attribute vec4 invmatVector1;\r\n attribute vec4 invmatVector2;\r\n attribute vec4 invmatVector3;\r\n\r\n #ifdef CYLINDER_SPRITE\r\n varying vec4 matVec1;\r\n varying vec4 matVec2;\r\n varying vec4 matVec3;\r\n varying vec4 invmatVec1;\r\n varying vec4 invmatVec2;\r\n varying vec4 invmatVec3;\r\n #endif\r\n#endif\r\n\r\nuniform mat4 modelViewMatrix; // optional\r\nuniform mat4 projectionMatrix; // optional\r\nuniform mat3 normalMatrix; // optional\r\nuniform mat4 modelMatrix; // optional\r\n\r\n#ifdef DASHED_LINE\r\n attribute float lineDistance;\r\n varying float vLineDistance;\r\n#endif\r\n\r\n#ifdef THICK_LINE\r\n attribute vec3 direction;\r\n uniform mat4 projMatrixInv;\r\n uniform vec2 viewport;\r\n uniform float lineWidth;\r\n\r\n vec4 transform(vec4 coord){\r\n return projectionMatrix * modelViewMatrix * coord;\r\n }\r\n\r\n vec2 project(vec4 device){\r\n vec3 device_normal = device.xyz/device.w;\r\n vec2 clip_pos = (device_normal*0.5+0.5).xy;\r\n return clip_pos * viewport;\r\n }\r\n\r\n vec4 unproject(vec2 screen, float z, float w){\r\n vec2 clip_pos = screen/viewport;\r\n vec2 device_normal = clip_pos*2.0-1.0;\r\n return vec4(device_normal*w, z, w);\r\n }\r\n#endif\r\n\r\n\r\n/////////////////////////////////////////// Main ///////////////////////////////////////////////\r\nvoid main() {\r\n\r\n#ifdef ATTR_ALPHA_COLOR\r\n alphaCol = alphaColor;\r\n#endif\r\n\r\n#ifdef INSTANCED_MATRIX\r\n vec3 objectNormal = vec3(\r\n dot(normal, matVector1.xyz),\r\n dot(normal, matVector2.xyz),\r\n dot(normal, matVector3.xyz));\r\n#else\r\n vec3 objectNormal = vec3( normal );\r\n#endif\r\n\r\nvec3 transformedNormal = normalMatrix * objectNormal;\r\n\r\n#if !defined (SPHERE_SPRITE) && !defined (CYLINDER_SPRITE)\r\n vNormal = normalize(transformedNormal);\r\n#endif\r\n\r\n#ifdef NORMALS_TO_G_BUFFER\r\n viewNormal = normalize(mat3(modelViewMatrix)*objectNormal);\r\n#endif\r\n\r\n vec4 localPos = vec4(position.xyz, 1.0);\r\n vec4 worldPos = modelMatrix * localPos;\r\n vec4 mvPosition = modelViewMatrix * localPos;\r\n\r\n// make thick line offset\r\n#ifdef THICK_LINE\r\n // get screen pos\r\n vec4 dPos = transform(vec4(position.xyz, 1.0));\r\n vec2 sPos = project(dPos);\r\n // move pos forward\r\n vec3 position2 = position.xyz + direction.xyz * 0.5;\r\n // get screen offset pos\r\n vec4 dPos2 = transform(vec4(position2.xyz, 1.0));\r\n vec2 sPos2 = project(dPos2);\r\n // screen line direction\r\n vec2 sDir = normalize(sPos2 - sPos);\r\n // vertex offset (orthogonal to line direction)\r\n vec2 offset1 = vec2(-sDir.y, sDir.x);\r\n // move screen vertex\r\n vec2 newPos = sPos + offset1 * position.w * lineWidth;\r\n // get moved pos in view space\r\n vec4 dNewPos = unproject(newPos, dPos.z, dPos.w);\r\n mvPosition.xyz = (projMatrixInv * dNewPos).xyz;\r\n#endif // THICK_LINE\r\n\r\n#ifdef INSTANCED_POS\r\n #ifdef SPHERE_SPRITE\r\n instOffset = offset;\r\n\r\n vec4 posEye = modelViewMatrix * vec4( offset.xyz, 1.0 );\r\n float scale = length(modelViewMatrix[0]);\r\n mvPosition = posEye + vec4( position.xyz * offset.w * scale * INSTANCED_SPRITE_OVERSCALE, 0.0 );\r\n posEye.w = offset.w * scale;\r\n\r\n spritePosEye = posEye;\r\n #else\r\n localPos = vec4( offset.xyz + position.xyz * offset.w, 1.0 );\r\n worldPos = modelMatrix * localPos;\r\n mvPosition = modelViewMatrix * localPos;\r\n #endif\r\n#endif\r\n\r\n#ifdef INSTANCED_MATRIX\r\n #ifdef CYLINDER_SPRITE\r\n matVec1 = matVector1;\r\n matVec2 = matVector2;\r\n matVec3 = matVector3;\r\n invmatVec1 = invmatVector1;\r\n invmatVec2 = invmatVector2;\r\n invmatVec3 = invmatVector3;\r\n\r\n // calculate eye coords of cylinder endpoints\r\n vec4 v = vec4(0, -0.5, 0, 1);\r\n vec4 p1 = modelViewMatrix * vec4(dot(v, matVector1), dot(v, matVector2), dot(v, matVector3), 1.0);\r\n v.y = 0.5;\r\n vec4 p2 = modelViewMatrix * vec4(dot(v, matVector1), dot(v, matVector2), dot(v, matVector3), 1.0);\r\n\r\n // sprite is placed at the center of cylinder\r\n vec4 posEye;\r\n posEye.xyz = mix(p1.xyz, p2.xyz, 0.5);\r\n posEye.w = 1.0;\r\n\r\n // basic sprite size at screen plane (covers only cylinder axis)\r\n vec2 spriteSizeScreen = abs(p2.xy / p2.z - p1.xy / p1.z);\r\n\r\n // cylinder radius in eye space\r\n float rad = length(modelViewMatrix[0]) * length(vec3(matVector1.x, matVector2.x, matVector3.x));\r\n\r\n // full sprite size in eye coords\r\n float minZ = min(abs(p1.z), abs(p2.z));\r\n vec2 spriteSize = INSTANCED_SPRITE_OVERSCALE * abs(posEye.z) *\r\n (spriteSizeScreen + 2.0 * rad / minZ);\r\n\r\n mvPosition = posEye + vec4( position.xy * 0.5 * spriteSize, 0, 0 );\r\n #else\r\n localPos = vec4(dot(localPos, matVector1), dot(localPos, matVector2), dot(localPos, matVector3), 1.0);\r\n worldPos = modelMatrix * localPos;\r\n mvPosition = modelViewMatrix * localPos;\r\n #endif\r\n#endif\r\n\r\n gl_Position = projectionMatrix * mvPosition;\r\n\r\n vWorldPosition = worldPos.xyz;\r\n vViewPosition = - mvPosition.xyz;\r\n\r\n#if defined(USE_LIGHTS) && defined(SHADOWMAP)\r\n\t#if NUM_DIR_LIGHTS > 0\r\n\t vec4 worldPosition;\r\n\t // see THREE.WebGLProgram.unrollLoops\r\n\t #pragma unroll_loop\r\n\t for ( int i = 0; i < NUM_DIR_LIGHTS; i ++ ) {\r\n vDirectionalShadowCoord[ i ] = directionalShadowMatrix[ i ] * vec4(vWorldPosition, 1.0);\r\n vDirectionalShadowNormal[ i ] = (directionalShadowMatrix[ i ] * (modelMatrix * vec4(objectNormal, 0.0))).xyz;\r\n\t }\r\n\t#endif\r\n#endif\r\n\r\n#ifdef ATTR_COLOR\r\n vColor = color.xyz;\r\n#endif\r\n\r\n#ifdef ATTR_COLOR2\r\n vColor2 = color2;\r\n #ifndef CYLINDER_SPRITE\r\n vUv = uv;\r\n #endif\r\n#endif\r\n\r\n#ifdef DASHED_LINE\r\n vLineDistance = lineDistance;\r\n#endif\r\n}\r\n"; - var fragmentShader = "#if defined (NORMALS_TO_G_BUFFER)\r\n #define fragColor gl_FragData[0]\r\n#else\r\n #define fragColor gl_FragColor\r\n#endif\r\n\r\n#ifdef ATTR_ALPHA_COLOR\r\n varying float alphaCol;\r\n#endif\r\n\r\n#ifdef COLOR_FROM_POS\r\n uniform mat4 world2colorMatrix;\r\n#endif\r\n\r\n#if defined(USE_LIGHTS) && defined(SHADOWMAP)\r\n\t#if NUM_DIR_LIGHTS > 0\r\n\t\tuniform sampler2D directionalShadowMap[ NUM_DIR_LIGHTS ];\r\n\t\tvarying vec4 vDirectionalShadowCoord[ NUM_DIR_LIGHTS ];\r\n\t\tvarying vec3 vDirectionalShadowNormal[ NUM_DIR_LIGHTS ];\r\n\r\n #ifdef SHADOWMAP_PCF_RAND\r\n // We use 4 instead uniform variable or define because this value is used in for(... i < value; ...) with\r\n // unroll_loop and unroll_loop has pattern:\r\n // /#pragma unroll_loop[\\s]+?for \\( int i \\= (\\d+)\\; i < (\\d+)\\; i \\+\\+ \\) \\{([\\s\\S]+?)(?=\\})\\}/g\r\n uniform vec2 samplesKernel[4]; // 4 is length of _samplesKernel which is defined in UberMaterial.js\r\n uniform sampler2D noiseTex;\r\n uniform vec2 noiseTexelSize;\r\n uniform vec2 srcTexelSize;\r\n uniform mat4 projectionMatrix;\r\n #endif\r\n\t#endif\r\n#endif\r\n\r\n#ifdef ATTR_COLOR\r\n varying vec3 vColor;\r\n#endif\r\n\r\n#ifdef ATTR_COLOR2\r\n varying vec3 vColor2;\r\n #ifndef CYLINDER_SPRITE\r\n varying vec2 vUv;\r\n #endif\r\n#endif\r\n\r\nuniform vec3 diffuse;\r\nuniform vec3 emissive;\r\nuniform vec3 specular;\r\nuniform float shininess;\r\nuniform vec3 fixedColor;\r\nuniform float opacity;\r\nuniform float zClipValue;\r\nuniform float clipPlaneValue;\r\n\r\n#ifdef NORMALS_TO_G_BUFFER\r\n varying vec3 viewNormal;\r\n#endif\r\n\r\n#define PI 3.14159265359\r\n#define RECIPROCAL_PI 0.31830988618\r\n#define saturate(a) clamp( a, 0.0, 1.0 )\r\n#define normalSign ( float( gl_FrontFacing ) * 2.0 - 1.0 )\r\n\r\n#ifdef USE_FOG\r\n uniform vec3 fogColor;\r\n uniform float fogAlpha;\r\n uniform float fogNear;\r\n uniform float fogFar;\r\n#endif\r\n\r\nvarying vec3 vWorldPosition; // world position of the pixel (invalid when INSTANCED_SPRITE is defined)\r\nvarying vec3 vViewPosition;\r\n\r\n#if !defined (SPHERE_SPRITE) && !defined (CYLINDER_SPRITE)\r\n varying vec3 vNormal;\r\n#endif\r\n\r\n/////////////////////////////////////////// ZSprites ////////////////////////////////////////////////\r\n#ifdef SPHERE_SPRITE\r\n varying vec4 spritePosEye;\r\n#endif\r\n\r\n#if defined(SPHERE_SPRITE) || defined(CYLINDER_SPRITE)\r\n uniform float zOffset;\r\n uniform mat4 projectionMatrix;\r\n\r\n float calcDepthForSprites(vec4 pixelPosEye, float zOffset, mat4 projMatrix) {\r\n vec4 pixelPosScreen = projMatrix * pixelPosEye;\r\n return 0.5 * (pixelPosScreen.z / pixelPosScreen.w + 1.0) + zOffset;\r\n }\r\n#endif\r\n\r\n#ifdef SPHERE_SPRITE\r\n varying vec4 instOffset;\r\n uniform mat4 modelMatrix;\r\n uniform mat4 modelViewMatrix;\r\n uniform mat4 invModelViewMatrix;\r\n uniform mat3 normalMatrix;\r\n\r\n float intersect_ray_sphere(in vec3 origin, in vec3 ray, out vec3 point) {\r\n\r\n // intersect XZ-projected ray with circle\r\n float a = dot(ray, ray);\r\n float b = dot(ray, origin);\r\n float c = dot(origin, origin) - 1.0;\r\n float det = b * b - a * c;\r\n if (det < 0.0) return -1.0;\r\n float t1 = (-b - sqrt(det)) / a;\r\n float t2 = (-b + sqrt(det)) / a;\r\n\r\n // calculate both intersection points\r\n vec3 p1 = origin + ray * t1;\r\n vec3 p2 = origin + ray * t2;\r\n\r\n // choose nearest point\r\n if (t1 >= 0.0) {\r\n point = p1;\r\n return t1;\r\n }\r\n if (t2 >= 0.0) {\r\n point = p2;\r\n return t2;\r\n }\r\n\r\n return -1.0;\r\n }\r\n\r\n float get_sphere_point(in vec3 pixelPosEye, out vec3 point) {\r\n // transform camera pos into sphere local coords\r\n vec4 v = invModelViewMatrix * vec4(0.0, 0.0, 0.0, 1.0);\r\n vec3 origin = (v.xyz - instOffset.xyz) / instOffset.w;\r\n\r\n // transform (camera -> pixel) ray into cylinder local coords\r\n v = invModelViewMatrix * vec4(pixelPosEye, 0.0);\r\n vec3 ray = normalize(v.xyz);\r\n\r\n return intersect_ray_sphere(origin, ray, point);\r\n }\r\n#endif\r\n\r\n#ifdef CYLINDER_SPRITE\r\n varying vec4 matVec1;\r\n varying vec4 matVec2;\r\n varying vec4 matVec3;\r\n varying vec4 invmatVec1;\r\n varying vec4 invmatVec2;\r\n varying vec4 invmatVec3;\r\n\r\n uniform mat4 modelMatrix;\r\n uniform mat4 modelViewMatrix;\r\n uniform mat4 invModelViewMatrix;\r\n uniform mat3 normalMatrix;\r\n\r\n float intersect_ray_cylinder(in vec3 origin, in vec3 ray, out vec3 point) {\r\n\r\n // intersect XZ-projected ray with circle\r\n float a = dot(ray.xz, ray.xz);\r\n float b = dot(ray.xz, origin.xz);\r\n float c = dot(origin.xz, origin.xz) - 1.0;\r\n float det = b * b - a * c;\r\n if (det < 0.0) return -1.0;\r\n float t1 = (-b - sqrt(det)) / a;\r\n float t2 = (-b + sqrt(det)) / a;\r\n\r\n // calculate both intersection points\r\n vec3 p1 = origin + ray * t1;\r\n vec3 p2 = origin + ray * t2;\r\n\r\n // choose nearest point\r\n float halfHeight = 0.5;\r\n if (t1 >= 0.0 && p1.y >= -halfHeight && p1.y <= halfHeight) {\r\n point = p1;\r\n return t1;\r\n }\r\n if (t2 >= 0.0 && p2.y >= -halfHeight && p2.y <= halfHeight) {\r\n point = p2;\r\n return t2;\r\n }\r\n\r\n return -1.0;\r\n }\r\n\r\n float get_cylinder_point(in vec3 pixelPosEye, out vec3 point) {\r\n // transform camera pos into cylinder local coords\r\n vec4 v = invModelViewMatrix * vec4(0.0, 0.0, 0.0, 1.0);\r\n vec3 origin = vec3(\r\n dot(v, invmatVec1),\r\n dot(v, invmatVec2),\r\n dot(v, invmatVec3));\r\n\r\n // transform (camera -> pixel) ray into cylinder local coords\r\n v = invModelViewMatrix * vec4(pixelPosEye, 0.0);\r\n vec3 ray = vec3(\r\n dot(v, invmatVec1),\r\n dot(v, invmatVec2),\r\n dot(v, invmatVec3));\r\n ray = normalize(ray);\r\n\r\n return intersect_ray_cylinder(origin, ray, point);\r\n }\r\n#endif\r\n\r\n///////////////////////////////////// Pack and unpack ///////////////////////////////////////////////\r\nconst float PackUpscale = 256. / 255.; // fraction -> 0..1 (including 1)\r\nconst float UnpackDownscale = 255. / 256.; // 0..1 -> fraction (excluding 1)\r\n\r\nconst vec3 PackFactors = vec3( 256. * 256. * 256., 256. * 256., 256. );\r\nconst vec4 UnpackFactors = UnpackDownscale / vec4( PackFactors, 1. );\r\n\r\n\r\nconst float ShiftRight8 = 1. / 256.;\r\n\r\nvec4 packDepthToRGBA( const in float v ) {\r\n vec4 r = vec4( fract( v * PackFactors ), v );\r\n r.yzw -= r.xyz * ShiftRight8; // tidy overflow\r\n return r * PackUpscale;\r\n}\r\n\r\nfloat unpackRGBAToDepth( const in vec4 v ) {\r\n return dot( v, UnpackFactors );\r\n}\r\n\r\n////////////////////////////////////////// All Lighting /////////////////////////////////////////////////\r\n#ifdef TOON_SHADING\r\n #define LOW_TOON_BORDER 0.0\r\n #define MEDIUM_TOON_BORDER 0.7\r\n #define HIGH_TOON_BORDER 1.0\r\n\r\n #define MEDIUM_TOON_RANGE 0.5\r\n #define HIGH_TOON_RANGE 0.95\r\n#endif\r\n#if defined(USE_LIGHTS) && NUM_DIR_LIGHTS > 0\r\n struct ReflectedLight {\r\n vec3 directDiffuse;\r\n vec3 directSpecular;\r\n vec3 indirectDiffuse;\r\n };\r\n\r\n struct BlinnPhongMaterial {\r\n vec3 diffuseColor;\r\n vec3 specularColor;\r\n float specularShininess;\r\n };\r\n\r\n struct GeometricContext {\r\n vec3 normal;\r\n vec3 viewDir;\r\n };\r\n\r\n struct DirectionalLight {\r\n vec3 direction;\r\n vec3 color;\r\n\r\n int shadow;\r\n vec2 shadowMapSize;\r\n float shadowBias;\r\n float shadowRadius;\r\n };\r\n\r\n uniform DirectionalLight directionalLights[ NUM_DIR_LIGHTS ];\r\n uniform vec3 ambientLightColor;\r\n\r\n /////////////////////////////////////////// Shadowmap ////////////////////////////////////////////////\r\n\r\n #if defined(SHADOWMAP)\r\n \tfloat texture2DCompare( sampler2D depths, vec2 uv, float compare ) {\r\n \t\treturn step( compare, unpackRGBAToDepth( texture2D( depths, uv ) ) );\r\n \t}\r\n\r\n float getShadow( sampler2D shadowMap, DirectionalLight dirLight, vec4 shadowCoord, vec3 vViewPosition, vec3 vNormal ) {\r\n \t float shadow = 0.0;\r\n\r\n // When shadows for sprites will appear use here for them normals as it done for G-buffer\r\n shadowCoord.xyz += dirLight.shadowBias * vNormal;\r\n shadowCoord.xyz /= shadowCoord.w;\r\n\r\n bvec4 inFrustumVec = bvec4 ( shadowCoord.x >= 0.0, shadowCoord.x <= 1.0, shadowCoord.y >= 0.0, shadowCoord.y <= 1.0 );\r\n bool inFrustum = all( inFrustumVec );\r\n bvec2 frustumTestVec = bvec2( inFrustum, shadowCoord.z <= 1.0 );\r\n bool frustumTest = all( frustumTestVec );\r\n\r\n if ( frustumTest ) {\r\n #ifdef SHADOWMAP_BASIC\r\n \t shadow = texture2DCompare( shadowMap, shadowCoord.xy, shadowCoord.z );\r\n \t#endif\r\n\r\n \t#ifdef SHADOWMAP_PCF_SHARP\r\n \t vec2 texelSize = vec2( 1.0 ) / dirLight.shadowMapSize;\r\n\r\n float dx0 = - texelSize.x * dirLight.shadowRadius;\r\n float dy0 = - texelSize.y * dirLight.shadowRadius;\r\n float dx1 = + texelSize.x * dirLight.shadowRadius;\r\n float dy1 = + texelSize.y * dirLight.shadowRadius;\r\n\r\n shadow = (\r\n \ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx0, dy0 ), shadowCoord.z ) +\r\n \ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( 0.0, dy0 ), shadowCoord.z ) +\r\n \ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx1, dy0 ), shadowCoord.z ) +\r\n \ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx0, 0.0 ), shadowCoord.z ) +\r\n \ttexture2DCompare( shadowMap, shadowCoord.xy, shadowCoord.z ) +\r\n \ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx1, 0.0 ), shadowCoord.z ) +\r\n \ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx0, dy1 ), shadowCoord.z ) +\r\n \ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( 0.0, dy1 ), shadowCoord.z ) +\r\n \ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx1, dy1 ), shadowCoord.z )\r\n ) * ( 1.0 / 9.0 );\r\n #endif\r\n\r\n #ifdef SHADOWMAP_PCF_RAND\r\n vec2 texelSize = vec2( 1.0 ) / dirLight.shadowMapSize;\r\n\r\n vec4 vUv = ((projectionMatrix * vec4(vViewPosition, 1.0)) + 1.0) / 2.0;\r\n vec2 vUvNoise = vUv.xy / srcTexelSize * noiseTexelSize;\r\n\r\n vec2 noiseVec = normalize(texture2D(noiseTex, vUvNoise).rg);\r\n mat2 mNoise = mat2(noiseVec.x, noiseVec.y, -noiseVec.y, noiseVec.x);\r\n\r\n vec2 offset;\r\n #pragma unroll_loop\r\n for ( int i = 0; i < 4; i ++ ) { // 4 is length of _samplesKernel which is defined in UberMaterial.js\r\n offset = mNoise * ( normalize( samplesKernel[ i ]) * texelSize * dirLight.shadowRadius );\r\n shadow += texture2DCompare( shadowMap, shadowCoord.xy + offset, shadowCoord.z );\r\n }\r\n shadow /= float( 4 ); // 4 is length of _samplesKernel which is defined in UberMaterial.js\r\n #endif\r\n }\r\n return shadow;//(shadow != 1.0) ? 0.5 : 1.0;//vec4(shadow, shadow, shadow, 1.0);\r\n }\r\n #endif\r\n\r\n /////////////////////////////////////////// Lighting /////////////////////////////////////////////////\r\n\r\n vec3 BRDF_Diffuse_Lambert( const in vec3 diffuseColor ) {\r\n return RECIPROCAL_PI * diffuseColor;\r\n } // validated\r\n\r\n vec3 F_Schlick( const in vec3 specularColor, const in float dotLH ) {\r\n // Original approximation by Christophe Schlick '94\r\n //;float fresnel = pow( 1.0 - dotLH, 5.0 );\r\n // Optimized variant (presented by Epic at SIGGRAPH '13)\r\n float fresnel = exp2( ( -5.55473 * dotLH - 6.98316 ) * dotLH );\r\n return ( 1.0 - specularColor ) * fresnel + specularColor;\r\n } // validated\r\n\r\n float G_BlinnPhong_Implicit( /* const in float dotNL, const in float dotNV */ ) {\r\n // geometry term is (n dot l)(n dot v) / 4(n dot l)(n dot v)\r\n return 0.25;\r\n }\r\n\r\n float D_BlinnPhong( const in float shininess, const in float dotNH ) {\r\n return RECIPROCAL_PI * ( shininess * 0.5 + 1.0 ) * pow( dotNH, shininess );\r\n }\r\n\r\n vec3 BRDF_Specular_BlinnPhong( const in DirectionalLight incidentLight, const in GeometricContext geometry, const in vec3 specularColor, const in float shininess ) {\r\n vec3 halfDir = normalize( incidentLight.direction + geometry.viewDir );\r\n float dotNH = saturate(dot( geometry.normal, halfDir ));\r\n float dotLH = saturate(dot( incidentLight.direction, halfDir ));\r\n\r\n vec3 F = F_Schlick( specularColor, dotLH );\r\n float G = G_BlinnPhong_Implicit( /* dotNL, dotNV */ );\r\n float D = D_BlinnPhong( shininess, dotNH );\r\n\r\n return F * ( G * D );\r\n } // validated\r\n\r\n void RE_Direct_BlinnPhong( const in DirectionalLight directLight, const in GeometricContext geometry, const in BlinnPhongMaterial material, inout ReflectedLight reflectedLight, float penumbra ) {\r\n\r\n float dotNL = saturate( dot( geometry.normal, directLight.direction ));\r\n #ifdef TOON_SHADING\r\n if(dotNL < MEDIUM_TOON_RANGE){\r\n dotNL = LOW_TOON_BORDER;\r\n }\r\n else if(dotNL < HIGH_TOON_RANGE){\r\n dotNL = MEDIUM_TOON_BORDER;\r\n }\r\n else{\r\n dotNL = HIGH_TOON_BORDER;\r\n }\r\n #endif\r\n\r\n vec3 irradiance = dotNL * directLight.color * PI;\r\n reflectedLight.directDiffuse += penumbra * irradiance * BRDF_Diffuse_Lambert( material.diffuseColor );\r\n reflectedLight.directSpecular += penumbra * irradiance * BRDF_Specular_BlinnPhong( directLight, geometry, material.specularColor, material.specularShininess );\r\n }\r\n\r\n void RE_IndirectDiffuse_BlinnPhong( const in vec3 irradiance, const in BlinnPhongMaterial material, inout ReflectedLight reflectedLight ) {\r\n reflectedLight.indirectDiffuse += irradiance * BRDF_Diffuse_Lambert( material.diffuseColor );\r\n }\r\n\r\n vec3 calcLighting(const in GeometricContext geometry, const in BlinnPhongMaterial material, vec3 vViewPosition) {\r\n ReflectedLight reflectedLight = ReflectedLight( vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ));\r\n vec3 irradiance = ambientLightColor * PI;\r\n\r\n float shadowMask = 1.0;\r\n // see THREE.WebGLProgram.unrollLoops\r\n \t#pragma unroll_loop\r\n \t for ( int i = 0; i < NUM_DIR_LIGHTS; i ++ ) {\r\n \t #ifdef SHADOWMAP\r\n \t if ( directionalLights[ i ].shadow > 0 ) shadowMask = getShadow( directionalShadowMap[ i ], directionalLights[ i ], vDirectionalShadowCoord[ i ], vViewPosition, vDirectionalShadowNormal[ i ] );\r\n \t #endif\r\n\r\n \t\t if ( shadowMask > 0.0 ) RE_Direct_BlinnPhong( directionalLights[ i ], geometry, material, reflectedLight, shadowMask );\r\n \t\t}\r\n\r\n RE_IndirectDiffuse_BlinnPhong(irradiance, material, reflectedLight);\r\n\r\n return saturate(reflectedLight.indirectDiffuse + reflectedLight.directDiffuse + reflectedLight.directSpecular);\r\n }\r\n#endif\r\n\r\n/////////////////////////////////////////// Dashed Line ///////////////////////////////////////////////\r\n#ifdef DASHED_LINE\r\n uniform float dashedLineSize;\r\n uniform float dashedLinePeriod;\r\n varying float vLineDistance;\r\n#endif\r\n\r\n/////////////////////////////////////////// Main ///////////////////////////////////////////////\r\nvoid main() {\r\n\r\n#ifdef CLIP_PLANE\r\n if (vViewPosition.z < clipPlaneValue) discard;\r\n#endif\r\n\r\n#ifdef ZCLIP\r\n if (vViewPosition.z < zClipValue) discard;\r\n#endif\r\n\r\n vec4 pixelPosWorld = vec4(vWorldPosition, 1.0);\r\n vec4 pixelPosEye;\r\n\r\n#ifdef SPHERE_SPRITE\r\n\r\n vec3 viewNormalSprites;\r\n vec3 normal;\r\n\r\n/* quick-and-dirty method\r\n normal.xy = ' + INSTANCED_SPRITE_OVERSCALE + ' * (2.0 * vUv - 1.0);\r\n float r2 = dot(normal.xy, normal.xy);\r\n if (r2 > 1.0) discard;\r\n float normalZ = sqrt(1.0 - r2);\r\n normal.z = normalZ;\r\n normal = normal * ( -1.0 + 2.0 * float( gl_FrontFacing ) );\r\n pixelPosEye = vec4(spritePosEye.xyz, 1.0);\r\n pixelPosEye.z += spritePosEye.w * normalZ;\r\n*/\r\n\r\n // ray-trace sphere surface\r\n {\r\n vec3 p;\r\n if (get_sphere_point(-vViewPosition, p) < 0.0) discard;\r\n pixelPosWorld = modelMatrix * vec4(instOffset.xyz + p * instOffset.w, 1.0);\r\n // pixelPosEye = modelViewMatrix * vec4(instOffset.xyz + p * instOffset.w, 1.0);\r\n pixelPosEye = vec4(spritePosEye.xyz, 1.0);\r\n pixelPosEye.z += instOffset.w *\r\n (modelViewMatrix[0][2] * p.x +\r\n modelViewMatrix[1][2] * p.y +\r\n modelViewMatrix[2][2] * p.z);\r\n normal = normalize(normalMatrix * p);\r\n #ifdef NORMALS_TO_G_BUFFER\r\n viewNormalSprites = normalize(mat3(modelViewMatrix)*p);\r\n #endif\r\n }\r\n\r\n#endif\r\n\r\n#ifdef CYLINDER_SPRITE\r\n vec3 normal;\r\n vec3 viewNormalSprites;\r\n float cylinderY = 0.0;\r\n\r\n // ray-trace cylinder surface\r\n {\r\n vec3 p;\r\n if (get_cylinder_point(-vViewPosition, p) < 0.0) discard;\r\n\r\n cylinderY = 0.5 * (p.y + 1.0);\r\n\r\n vec4 v = vec4(p, 1.0);\r\n v = vec4(dot(v, matVec1), dot(v, matVec2), dot(v, matVec3), 1.0);\r\n pixelPosWorld = modelMatrix * v;\r\n pixelPosEye = modelViewMatrix * v;\r\n\r\n vec3 localNormal = normalize(vec3(p.x, 0.0, p.z));\r\n normal = vec3(\r\n dot(localNormal, matVec1.xyz),\r\n dot(localNormal, matVec2.xyz),\r\n dot(localNormal, matVec3.xyz));\r\n #ifdef NORMALS_TO_G_BUFFER\r\n viewNormalSprites = normalize(mat3(modelViewMatrix)*normal);\r\n #endif\r\n normal = normalize(normalMatrix * normal);\r\n }\r\n#endif\r\n\r\n #ifdef ATTR_COLOR\r\n vec3 vertexColor = vColor;\r\n #else\r\n vec3 vertexColor = vec3(1.0, 1.0, 1.0);\r\n #endif\r\n\r\n #ifdef ATTR_COLOR2\r\n #ifdef CYLINDER_SPRITE\r\n float colorCoef = cylinderY; // cylinder parameter is calculated from ray-tracing\r\n #else\r\n float colorCoef = vUv.y; // cylinder parameter is interpolated as tex coord\r\n #endif\r\n // choose either color or color2\r\n vertexColor = mix(vColor2, vColor, step(0.5, colorCoef));\r\n #endif\r\n\r\n // negative red component is a special condition\r\n if (vertexColor.x < 0.0) discard;\r\n\r\n #ifdef DASHED_LINE\r\n if ( mod( vLineDistance, dashedLinePeriod ) > dashedLineSize ) discard;\r\n #endif\r\n\r\n // transparency prepass writes only z, so we don't need to calc the color\r\n #ifdef PREPASS_TRANSP\r\n fragColor = vec4(1.0, 1.0, 1.0, 1.0);\r\n #if defined(SPHERE_SPRITE) || defined(CYLINDER_SPRITE)\r\n gl_FragDepthEXT = calcDepthForSprites(pixelPosEye, zOffset, projectionMatrix);\r\n #endif\r\n return;\r\n #endif\r\n\r\n float totalOpacity = opacity;\r\n\r\n #ifdef ATTR_ALPHA_COLOR\r\n totalOpacity *= alphaCol;\r\n #endif\r\n\r\n // discard fully transparent pixels\r\n if (totalOpacity == 0.0) discard;\r\n\r\n #ifdef FAKE_OPACITY\r\n // discard pixels in checker pattern\r\n vec2 dm_coord = floor(gl_FragCoord.xy);\r\n dm_coord = fract(dm_coord * 0.5);\r\n if (totalOpacity < 1.0 && (dm_coord.x < 0.5 ^^ dm_coord.y < 0.5)) discard;\r\n vec4 diffuseColor = vec4(diffuse, 1.0);\r\n #else\r\n vec4 diffuseColor = vec4(diffuse, totalOpacity);\r\n #endif\r\n\r\n float flipNormal;\r\n #if !defined (SPHERE_SPRITE) && !defined (CYLINDER_SPRITE)\r\n flipNormal = 1.0;\r\n #ifdef DOUBLE_SIDED\r\n flipNormal = normalSign;\r\n #endif\r\n vec3 normal = normalize( vNormal ) * flipNormal;\r\n #endif\r\n\r\n diffuseColor.rgb *= vertexColor;\r\n\r\n #if defined(SPHERE_SPRITE) || defined(CYLINDER_SPRITE)\r\n gl_FragDepthEXT = calcDepthForSprites(pixelPosEye, zOffset, projectionMatrix);\r\n #endif\r\n\r\n #ifdef NORMALS_TO_G_BUFFER\r\n #if defined (SPHERE_SPRITE) || defined (CYLINDER_SPRITE)\r\n vec3 viewNormaInColor = viewNormalSprites;\r\n #else\r\n vec3 viewNormaInColor = viewNormal;\r\n #endif\r\n flipNormal = 1.0;\r\n // invert normals on invisible front faces to all of them been directed to the side of viewer\r\n #ifdef DOUBLE_SIDED_G_BUFFER\r\n flipNormal = normalSign;\r\n #endif\r\n // [-1, 1] -> [0, 1]\r\n viewNormaInColor = 0.5 * viewNormaInColor * flipNormal + 0.5;\r\n gl_FragData[1] = vec4(viewNormaInColor, 1.0);\r\n #endif\r\n\r\n #if defined(USE_LIGHTS) && NUM_DIR_LIGHTS > 0\r\n GeometricContext geometry = GeometricContext(normal, normalize( vViewPosition ));\r\n BlinnPhongMaterial material = BlinnPhongMaterial(diffuseColor.rgb, specular, shininess);\r\n vec3 outgoingLight = calcLighting(geometry, material, vViewPosition);\r\n #else\r\n vec3 outgoingLight = diffuseColor.rgb;\r\n #endif\r\n\r\n #ifdef COLOR_FROM_DEPTH\r\n float depth = 0.0;\r\n #if defined(SPHERE_SPRITE) || defined(CYLINDER_SPRITE)\r\n gl_FragDepthEXT = calcDepthForSprites(pixelPosEye, zOffset, projectionMatrix);\r\n depth = gl_FragDepthEXT;\r\n #else\r\n depth = gl_FragCoord.z;\r\n #endif\r\n fragColor = packDepthToRGBA(depth);\r\n return;\r\n #endif\r\n\r\n #ifdef COLOR_FROM_POS\r\n fragColor = world2colorMatrix * pixelPosWorld;\r\n #else\r\n #ifdef OVERRIDE_COLOR\r\n fragColor = vec4(fixedColor, diffuseColor.a);\r\n #else\r\n fragColor = vec4(outgoingLight, diffuseColor.a);//vec4(vNormal, 1.0);\r\n #endif\r\n\r\n #ifdef USE_FOG\r\n float viewDistance;\r\n #if defined(SPHERE_SPRITE) || defined(CYLINDER_SPRITE)\r\n viewDistance = abs(pixelPosEye.z);\r\n #else\r\n viewDistance = vViewPosition.z;\r\n #endif\r\n float fogFactor = smoothstep( fogNear, fogFar, viewDistance) * fogAlpha;\r\n #ifdef FOG_TRANSPARENT\r\n fragColor.a = fragColor.a * (1.0 - fogFactor);\r\n #else\r\n fragColor.rgb = mix( fragColor.rgb, fogColor, fogFactor );\r\n #endif\r\n #endif\r\n\r\n #endif\r\n}\r\n"; + var fragmentShader = "#if defined (NORMALS_TO_G_BUFFER)\r\n #define fragColor gl_FragData[0]\r\n#else\r\n #define fragColor gl_FragColor\r\n#endif\r\n\r\n#ifdef ATTR_ALPHA_COLOR\r\n varying float alphaCol;\r\n#endif\r\n\r\n#ifdef COLOR_FROM_POS\r\n uniform mat4 world2colorMatrix;\r\n#endif\r\n\r\n#if defined(USE_LIGHTS) && defined(SHADOWMAP)\r\n\t#if NUM_DIR_LIGHTS > 0\r\n\t\tuniform sampler2D directionalShadowMap[ NUM_DIR_LIGHTS ];\r\n\t\tvarying vec4 vDirectionalShadowCoord[ NUM_DIR_LIGHTS ];\r\n\t\tvarying vec3 vDirectionalShadowNormal[ NUM_DIR_LIGHTS ];\r\n\r\n #ifdef SHADOWMAP_PCF_RAND\r\n // We use 4 instead uniform variable or define because this value is used in for(... i < value; ...) with\r\n // unroll_loop and unroll_loop has pattern:\r\n // /#pragma unroll_loop[\\s]+?for \\( int i \\= (\\d+)\\; i < (\\d+)\\; i \\+\\+ \\) \\{([\\s\\S]+?)(?=\\})\\}/g\r\n uniform vec2 samplesKernel[4]; // 4 is length of _samplesKernel which is defined in UberMaterial.js\r\n uniform sampler2D noiseTex;\r\n uniform vec2 noiseTexelSize;\r\n uniform vec2 srcTexelSize;\r\n uniform mat4 projectionMatrix;\r\n #endif\r\n\t#endif\r\n#endif\r\n\r\n#ifdef ATTR_COLOR\r\n varying vec3 vColor;\r\n#endif\r\n\r\n#ifdef ATTR_COLOR2\r\n varying vec3 vColor2;\r\n #ifndef CYLINDER_SPRITE\r\n varying vec2 vUv;\r\n #endif\r\n#endif\r\n\r\nuniform vec3 diffuse;\r\nuniform vec3 emissive;\r\nuniform vec3 specular;\r\nuniform float shininess;\r\nuniform vec3 fixedColor;\r\nuniform float opacity;\r\nuniform float zClipValue;\r\nuniform float clipPlaneValue;\r\n\r\n#ifdef NORMALS_TO_G_BUFFER\r\n varying vec3 viewNormal;\r\n#endif\r\n\r\n#define PI 3.14159265359\r\n#define RECIPROCAL_PI 0.31830988618\r\n#define saturate(a) clamp( a, 0.0, 1.0 )\r\n\r\n#ifdef USE_FOG\r\n uniform vec3 fogColor;\r\n uniform float fogAlpha;\r\n uniform float fogNear;\r\n uniform float fogFar;\r\n#endif\r\n\r\nvarying vec3 vWorldPosition; // world position of the pixel (invalid when INSTANCED_SPRITE is defined)\r\nvarying vec3 vViewPosition;\r\n\r\n#if !defined (SPHERE_SPRITE) && !defined (CYLINDER_SPRITE)\r\n varying vec3 vNormal;\r\n#endif\r\n\r\n/////////////////////////////////////////// ZSprites ////////////////////////////////////////////////\r\n#ifdef SPHERE_SPRITE\r\n varying vec4 spritePosEye;\r\n#endif\r\n\r\n#if defined(SPHERE_SPRITE) || defined(CYLINDER_SPRITE)\r\n uniform float zOffset;\r\n uniform mat4 projectionMatrix;\r\n\r\n float calcDepthForSprites(vec4 pixelPosEye, float zOffset, mat4 projMatrix) {\r\n vec4 pixelPosScreen = projMatrix * pixelPosEye;\r\n return 0.5 * (pixelPosScreen.z / pixelPosScreen.w + 1.0) + zOffset;\r\n }\r\n#endif\r\n\r\n#ifdef SPHERE_SPRITE\r\n varying vec4 instOffset;\r\n uniform mat4 modelMatrix;\r\n uniform mat4 modelViewMatrix;\r\n uniform mat4 invModelViewMatrix;\r\n uniform mat3 normalMatrix;\r\n\r\n float intersect_ray_sphere(in vec3 origin, in vec3 ray, out vec3 point) {\r\n\r\n // intersect XZ-projected ray with circle\r\n float a = dot(ray, ray);\r\n float b = dot(ray, origin);\r\n float c = dot(origin, origin) - 1.0;\r\n float det = b * b - a * c;\r\n if (det < 0.0) return -1.0;\r\n float t1 = (-b - sqrt(det)) / a;\r\n float t2 = (-b + sqrt(det)) / a;\r\n\r\n // calculate both intersection points\r\n vec3 p1 = origin + ray * t1;\r\n vec3 p2 = origin + ray * t2;\r\n\r\n // choose nearest point\r\n if (t1 >= 0.0) {\r\n point = p1;\r\n return t1;\r\n }\r\n if (t2 >= 0.0) {\r\n point = p2;\r\n return t2;\r\n }\r\n\r\n return -1.0;\r\n }\r\n\r\n float get_sphere_point(in vec3 pixelPosEye, out vec3 point) {\r\n // transform camera pos into sphere local coords\r\n vec4 v = invModelViewMatrix * vec4(0.0, 0.0, 0.0, 1.0);\r\n vec3 origin = (v.xyz - instOffset.xyz) / instOffset.w;\r\n\r\n // transform (camera -> pixel) ray into cylinder local coords\r\n v = invModelViewMatrix * vec4(pixelPosEye, 0.0);\r\n vec3 ray = normalize(v.xyz);\r\n\r\n return intersect_ray_sphere(origin, ray, point);\r\n }\r\n#endif\r\n\r\n#ifdef CYLINDER_SPRITE\r\n varying vec4 matVec1;\r\n varying vec4 matVec2;\r\n varying vec4 matVec3;\r\n varying vec4 invmatVec1;\r\n varying vec4 invmatVec2;\r\n varying vec4 invmatVec3;\r\n\r\n uniform mat4 modelMatrix;\r\n uniform mat4 modelViewMatrix;\r\n uniform mat4 invModelViewMatrix;\r\n uniform mat3 normalMatrix;\r\n\r\n float intersect_ray_cylinder(in vec3 origin, in vec3 ray, out vec3 point) {\r\n\r\n // intersect XZ-projected ray with circle\r\n float a = dot(ray.xz, ray.xz);\r\n float b = dot(ray.xz, origin.xz);\r\n float c = dot(origin.xz, origin.xz) - 1.0;\r\n float det = b * b - a * c;\r\n if (det < 0.0) return -1.0;\r\n float t1 = (-b - sqrt(det)) / a;\r\n float t2 = (-b + sqrt(det)) / a;\r\n\r\n // calculate both intersection points\r\n vec3 p1 = origin + ray * t1;\r\n vec3 p2 = origin + ray * t2;\r\n\r\n // choose nearest point\r\n float halfHeight = 0.5;\r\n if (t1 >= 0.0 && p1.y >= -halfHeight && p1.y <= halfHeight) {\r\n point = p1;\r\n return t1;\r\n }\r\n if (t2 >= 0.0 && p2.y >= -halfHeight && p2.y <= halfHeight) {\r\n point = p2;\r\n return t2;\r\n }\r\n\r\n return -1.0;\r\n }\r\n\r\n float get_cylinder_point(in vec3 pixelPosEye, out vec3 point) {\r\n // transform camera pos into cylinder local coords\r\n vec4 v = invModelViewMatrix * vec4(0.0, 0.0, 0.0, 1.0);\r\n vec3 origin = vec3(\r\n dot(v, invmatVec1),\r\n dot(v, invmatVec2),\r\n dot(v, invmatVec3));\r\n\r\n // transform (camera -> pixel) ray into cylinder local coords\r\n v = invModelViewMatrix * vec4(pixelPosEye, 0.0);\r\n vec3 ray = vec3(\r\n dot(v, invmatVec1),\r\n dot(v, invmatVec2),\r\n dot(v, invmatVec3));\r\n ray = normalize(ray);\r\n\r\n return intersect_ray_cylinder(origin, ray, point);\r\n }\r\n#endif\r\n\r\n///////////////////////////////////// Pack and unpack ///////////////////////////////////////////////\r\nconst float PackUpscale = 256. / 255.; // fraction -> 0..1 (including 1)\r\nconst float UnpackDownscale = 255. / 256.; // 0..1 -> fraction (excluding 1)\r\n\r\nconst vec3 PackFactors = vec3( 256. * 256. * 256., 256. * 256., 256. );\r\nconst vec4 UnpackFactors = UnpackDownscale / vec4( PackFactors, 1. );\r\n\r\n\r\nconst float ShiftRight8 = 1. / 256.;\r\n\r\nvec4 packDepthToRGBA( const in float v ) {\r\n vec4 r = vec4( fract( v * PackFactors ), v );\r\n r.yzw -= r.xyz * ShiftRight8; // tidy overflow\r\n return r * PackUpscale;\r\n}\r\n\r\nfloat unpackRGBAToDepth( const in vec4 v ) {\r\n return dot( v, UnpackFactors );\r\n}\r\n\r\n////////////////////////////////////////// All Lighting /////////////////////////////////////////////////\r\n#ifdef TOON_SHADING\r\n #define LOW_TOON_BORDER 0.0\r\n #define MEDIUM_TOON_BORDER 0.7\r\n #define HIGH_TOON_BORDER 1.0\r\n\r\n #define MEDIUM_TOON_RANGE 0.5\r\n #define HIGH_TOON_RANGE 0.95\r\n#endif\r\n#if defined(USE_LIGHTS) && NUM_DIR_LIGHTS > 0\r\n struct ReflectedLight {\r\n vec3 directDiffuse;\r\n vec3 directSpecular;\r\n vec3 indirectDiffuse;\r\n };\r\n\r\n struct BlinnPhongMaterial {\r\n vec3 diffuseColor;\r\n vec3 specularColor;\r\n float specularShininess;\r\n };\r\n\r\n struct GeometricContext {\r\n vec3 normal;\r\n vec3 viewDir;\r\n };\r\n\r\n struct DirectionalLight {\r\n vec3 direction;\r\n vec3 color;\r\n\r\n int shadow;\r\n vec2 shadowMapSize;\r\n float shadowBias;\r\n float shadowRadius;\r\n };\r\n\r\n uniform DirectionalLight directionalLights[ NUM_DIR_LIGHTS ];\r\n uniform vec3 ambientLightColor;\r\n\r\n /////////////////////////////////////////// Shadowmap ////////////////////////////////////////////////\r\n\r\n #if defined(SHADOWMAP)\r\n \tfloat texture2DCompare( sampler2D depths, vec2 uv, float compare ) {\r\n \t\treturn step( compare, unpackRGBAToDepth( texture2D( depths, uv ) ) );\r\n \t}\r\n\r\n float getShadow( sampler2D shadowMap, DirectionalLight dirLight, vec4 shadowCoord, vec3 vViewPosition, vec3 vNormal ) {\r\n \t float shadow = 0.0;\r\n\r\n // When shadows for sprites will appear use here for them normals as it done for G-buffer\r\n shadowCoord.xyz += dirLight.shadowBias * vNormal;\r\n shadowCoord.xyz /= shadowCoord.w;\r\n\r\n bvec4 inFrustumVec = bvec4 ( shadowCoord.x >= 0.0, shadowCoord.x <= 1.0, shadowCoord.y >= 0.0, shadowCoord.y <= 1.0 );\r\n bool inFrustum = all( inFrustumVec );\r\n bvec2 frustumTestVec = bvec2( inFrustum, shadowCoord.z <= 1.0 );\r\n bool frustumTest = all( frustumTestVec );\r\n\r\n if ( frustumTest ) {\r\n #ifdef SHADOWMAP_BASIC\r\n \t shadow = texture2DCompare( shadowMap, shadowCoord.xy, shadowCoord.z );\r\n \t#endif\r\n\r\n \t#ifdef SHADOWMAP_PCF_SHARP\r\n \t vec2 texelSize = vec2( 1.0 ) / dirLight.shadowMapSize;\r\n\r\n float dx0 = - texelSize.x * dirLight.shadowRadius;\r\n float dy0 = - texelSize.y * dirLight.shadowRadius;\r\n float dx1 = + texelSize.x * dirLight.shadowRadius;\r\n float dy1 = + texelSize.y * dirLight.shadowRadius;\r\n\r\n shadow = (\r\n \ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx0, dy0 ), shadowCoord.z ) +\r\n \ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( 0.0, dy0 ), shadowCoord.z ) +\r\n \ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx1, dy0 ), shadowCoord.z ) +\r\n \ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx0, 0.0 ), shadowCoord.z ) +\r\n \ttexture2DCompare( shadowMap, shadowCoord.xy, shadowCoord.z ) +\r\n \ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx1, 0.0 ), shadowCoord.z ) +\r\n \ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx0, dy1 ), shadowCoord.z ) +\r\n \ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( 0.0, dy1 ), shadowCoord.z ) +\r\n \ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx1, dy1 ), shadowCoord.z )\r\n ) * ( 1.0 / 9.0 );\r\n #endif\r\n\r\n #ifdef SHADOWMAP_PCF_RAND\r\n vec2 texelSize = vec2( 1.0 ) / dirLight.shadowMapSize;\r\n\r\n vec4 vUv = ((projectionMatrix * vec4(vViewPosition, 1.0)) + 1.0) / 2.0;\r\n vec2 vUvNoise = vUv.xy / srcTexelSize * noiseTexelSize;\r\n\r\n vec2 noiseVec = normalize(texture2D(noiseTex, vUvNoise).rg);\r\n mat2 mNoise = mat2(noiseVec.x, noiseVec.y, -noiseVec.y, noiseVec.x);\r\n\r\n vec2 offset;\r\n #pragma unroll_loop\r\n for ( int i = 0; i < 4; i ++ ) { // 4 is length of _samplesKernel which is defined in UberMaterial.js\r\n offset = mNoise * ( normalize( samplesKernel[ i ]) * texelSize * dirLight.shadowRadius );\r\n shadow += texture2DCompare( shadowMap, shadowCoord.xy + offset, shadowCoord.z );\r\n }\r\n shadow /= float( 4 ); // 4 is length of _samplesKernel which is defined in UberMaterial.js\r\n #endif\r\n }\r\n return shadow;//(shadow != 1.0) ? 0.5 : 1.0;//vec4(shadow, shadow, shadow, 1.0);\r\n }\r\n #endif\r\n\r\n /////////////////////////////////////////// Lighting /////////////////////////////////////////////////\r\n\r\n vec3 BRDF_Diffuse_Lambert( const in vec3 diffuseColor ) {\r\n return RECIPROCAL_PI * diffuseColor;\r\n } // validated\r\n\r\n vec3 F_Schlick( const in vec3 specularColor, const in float dotLH ) {\r\n // Original approximation by Christophe Schlick '94\r\n //;float fresnel = pow( 1.0 - dotLH, 5.0 );\r\n // Optimized variant (presented by Epic at SIGGRAPH '13)\r\n float fresnel = exp2( ( -5.55473 * dotLH - 6.98316 ) * dotLH );\r\n return ( 1.0 - specularColor ) * fresnel + specularColor;\r\n } // validated\r\n\r\n float G_BlinnPhong_Implicit( /* const in float dotNL, const in float dotNV */ ) {\r\n // geometry term is (n dot l)(n dot v) / 4(n dot l)(n dot v)\r\n return 0.25;\r\n }\r\n\r\n float D_BlinnPhong( const in float shininess, const in float dotNH ) {\r\n return RECIPROCAL_PI * ( shininess * 0.5 + 1.0 ) * pow( dotNH, shininess );\r\n }\r\n\r\n vec3 BRDF_Specular_BlinnPhong( const in DirectionalLight incidentLight, const in GeometricContext geometry, const in vec3 specularColor, const in float shininess ) {\r\n vec3 halfDir = normalize( incidentLight.direction + geometry.viewDir );\r\n float dotNH = saturate(dot( geometry.normal, halfDir ));\r\n float dotLH = saturate(dot( incidentLight.direction, halfDir ));\r\n\r\n vec3 F = F_Schlick( specularColor, dotLH );\r\n float G = G_BlinnPhong_Implicit( /* dotNL, dotNV */ );\r\n float D = D_BlinnPhong( shininess, dotNH );\r\n\r\n return F * ( G * D );\r\n } // validated\r\n\r\n void RE_Direct_BlinnPhong( const in DirectionalLight directLight, const in GeometricContext geometry, const in BlinnPhongMaterial material, inout ReflectedLight reflectedLight, float penumbra ) {\r\n\r\n float dotNL = saturate( dot( geometry.normal, directLight.direction ));\r\n #ifdef TOON_SHADING\r\n if(dotNL < MEDIUM_TOON_RANGE){\r\n dotNL = LOW_TOON_BORDER;\r\n }\r\n else if(dotNL < HIGH_TOON_RANGE){\r\n dotNL = MEDIUM_TOON_BORDER;\r\n }\r\n else{\r\n dotNL = HIGH_TOON_BORDER;\r\n }\r\n #endif\r\n\r\n vec3 irradiance = dotNL * directLight.color * PI;\r\n reflectedLight.directDiffuse += penumbra * irradiance * BRDF_Diffuse_Lambert( material.diffuseColor );\r\n reflectedLight.directSpecular += penumbra * irradiance * BRDF_Specular_BlinnPhong( directLight, geometry, material.specularColor, material.specularShininess );\r\n }\r\n\r\n void RE_IndirectDiffuse_BlinnPhong( const in vec3 irradiance, const in BlinnPhongMaterial material, inout ReflectedLight reflectedLight ) {\r\n reflectedLight.indirectDiffuse += irradiance * BRDF_Diffuse_Lambert( material.diffuseColor );\r\n }\r\n\r\n vec3 calcLighting(const in GeometricContext geometry, const in BlinnPhongMaterial material, vec3 vViewPosition) {\r\n ReflectedLight reflectedLight = ReflectedLight( vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ));\r\n vec3 irradiance = ambientLightColor * PI;\r\n\r\n float shadowMask = 1.0;\r\n // see THREE.WebGLProgram.unrollLoops\r\n \t#pragma unroll_loop\r\n \t for ( int i = 0; i < NUM_DIR_LIGHTS; i ++ ) {\r\n \t #ifdef SHADOWMAP\r\n \t if ( directionalLights[ i ].shadow > 0 ) shadowMask = getShadow( directionalShadowMap[ i ], directionalLights[ i ], vDirectionalShadowCoord[ i ], vViewPosition, vDirectionalShadowNormal[ i ] );\r\n \t #endif\r\n\r\n \t\t if ( shadowMask > 0.0 ) RE_Direct_BlinnPhong( directionalLights[ i ], geometry, material, reflectedLight, shadowMask );\r\n \t\t}\r\n\r\n RE_IndirectDiffuse_BlinnPhong(irradiance, material, reflectedLight);\r\n\r\n return saturate(reflectedLight.indirectDiffuse + reflectedLight.directDiffuse + reflectedLight.directSpecular);\r\n }\r\n#endif\r\n\r\n/////////////////////////////////////////// Dashed Line ///////////////////////////////////////////////\r\n#ifdef DASHED_LINE\r\n uniform float dashedLineSize;\r\n uniform float dashedLinePeriod;\r\n varying float vLineDistance;\r\n#endif\r\n\r\n/////////////////////////////////////////// Main ///////////////////////////////////////////////\r\nvoid main() {\r\n\r\n#ifdef CLIP_PLANE\r\n if (vViewPosition.z < clipPlaneValue) discard;\r\n#endif\r\n\r\n#ifdef ZCLIP\r\n if (vViewPosition.z < zClipValue) discard;\r\n#endif\r\n\r\n vec4 pixelPosWorld = vec4(vWorldPosition, 1.0);\r\n vec4 pixelPosEye;\r\n\r\n#ifdef SPHERE_SPRITE\r\n\r\n vec3 viewNormalSprites;\r\n vec3 normal;\r\n\r\n/* quick-and-dirty method\r\n normal.xy = ' + INSTANCED_SPRITE_OVERSCALE + ' * (2.0 * vUv - 1.0);\r\n float r2 = dot(normal.xy, normal.xy);\r\n if (r2 > 1.0) discard;\r\n float normalZ = sqrt(1.0 - r2);\r\n normal.z = normalZ;\r\n normal = normal * ( -1.0 + 2.0 * float( gl_FrontFacing ) );\r\n pixelPosEye = vec4(spritePosEye.xyz, 1.0);\r\n pixelPosEye.z += spritePosEye.w * normalZ;\r\n*/\r\n\r\n // ray-trace sphere surface\r\n {\r\n vec3 p;\r\n if (get_sphere_point(-vViewPosition, p) < 0.0) discard;\r\n pixelPosWorld = modelMatrix * vec4(instOffset.xyz + p * instOffset.w, 1.0);\r\n // pixelPosEye = modelViewMatrix * vec4(instOffset.xyz + p * instOffset.w, 1.0);\r\n pixelPosEye = vec4(spritePosEye.xyz, 1.0);\r\n pixelPosEye.z += instOffset.w *\r\n (modelViewMatrix[0][2] * p.x +\r\n modelViewMatrix[1][2] * p.y +\r\n modelViewMatrix[2][2] * p.z);\r\n normal = normalize(normalMatrix * p);\r\n #ifdef NORMALS_TO_G_BUFFER\r\n viewNormalSprites = normalize(mat3(modelViewMatrix)*p);\r\n #endif\r\n }\r\n\r\n#endif\r\n\r\n#ifdef CYLINDER_SPRITE\r\n vec3 normal;\r\n vec3 viewNormalSprites;\r\n float cylinderY = 0.0;\r\n\r\n // ray-trace cylinder surface\r\n {\r\n vec3 p;\r\n if (get_cylinder_point(-vViewPosition, p) < 0.0) discard;\r\n\r\n cylinderY = 0.5 * (p.y + 1.0);\r\n\r\n vec4 v = vec4(p, 1.0);\r\n v = vec4(dot(v, matVec1), dot(v, matVec2), dot(v, matVec3), 1.0);\r\n pixelPosWorld = modelMatrix * v;\r\n pixelPosEye = modelViewMatrix * v;\r\n\r\n vec3 localNormal = normalize(vec3(p.x, 0.0, p.z));\r\n normal = vec3(\r\n dot(localNormal, matVec1.xyz),\r\n dot(localNormal, matVec2.xyz),\r\n dot(localNormal, matVec3.xyz));\r\n #ifdef NORMALS_TO_G_BUFFER\r\n viewNormalSprites = normalize(mat3(modelViewMatrix)*normal);\r\n #endif\r\n normal = normalize(normalMatrix * normal);\r\n }\r\n#endif\r\n\r\n #ifdef ATTR_COLOR\r\n vec3 vertexColor = vColor;\r\n #else\r\n vec3 vertexColor = vec3(1.0, 1.0, 1.0);\r\n #endif\r\n\r\n #ifdef ATTR_COLOR2\r\n #ifdef CYLINDER_SPRITE\r\n float colorCoef = cylinderY; // cylinder parameter is calculated from ray-tracing\r\n #else\r\n float colorCoef = vUv.y; // cylinder parameter is interpolated as tex coord\r\n #endif\r\n // choose either color or color2\r\n vertexColor = mix(vColor2, vColor, step(0.5, colorCoef));\r\n #endif\r\n\r\n // negative red component is a special condition\r\n if (vertexColor.x < 0.0) discard;\r\n\r\n #ifdef DASHED_LINE\r\n if ( mod( vLineDistance, dashedLinePeriod ) > dashedLineSize ) discard;\r\n #endif\r\n\r\n // transparency prepass writes only z, so we don't need to calc the color\r\n #ifdef PREPASS_TRANSP\r\n fragColor = vec4(1.0, 1.0, 1.0, 1.0);\r\n #if defined(SPHERE_SPRITE) || defined(CYLINDER_SPRITE)\r\n gl_FragDepthEXT = calcDepthForSprites(pixelPosEye, zOffset, projectionMatrix);\r\n #endif\r\n return;\r\n #endif\r\n\r\n float totalOpacity = opacity;\r\n\r\n #ifdef ATTR_ALPHA_COLOR\r\n totalOpacity *= alphaCol;\r\n #endif\r\n\r\n // discard fully transparent pixels\r\n if (totalOpacity == 0.0) discard;\r\n\r\n #ifdef FAKE_OPACITY\r\n // discard pixels in checker pattern\r\n vec2 dm_coord = floor(gl_FragCoord.xy);\r\n dm_coord = fract(dm_coord * 0.5);\r\n if (totalOpacity < 1.0 && (dm_coord.x < 0.5 ^^ dm_coord.y < 0.5)) discard;\r\n vec4 diffuseColor = vec4(diffuse, 1.0);\r\n #else\r\n vec4 diffuseColor = vec4(diffuse, totalOpacity);\r\n #endif\r\n\r\n float flipNormal;\r\n #if !defined (SPHERE_SPRITE) && !defined (CYLINDER_SPRITE)\r\n flipNormal = 1.0;\r\n #ifdef DOUBLE_SIDED\r\n flipNormal = float( gl_FrontFacing );\r\n #endif\r\n vec3 normal = normalize( vNormal ) * flipNormal;\r\n #endif\r\n\r\n diffuseColor.rgb *= vertexColor;\r\n\r\n #if defined(SPHERE_SPRITE) || defined(CYLINDER_SPRITE)\r\n gl_FragDepthEXT = calcDepthForSprites(pixelPosEye, zOffset, projectionMatrix);\r\n #endif\r\n\r\n #ifdef NORMALS_TO_G_BUFFER\r\n #if defined (SPHERE_SPRITE) || defined (CYLINDER_SPRITE)\r\n vec3 viewNormaInColor = viewNormalSprites;\r\n float frontFaced = 1.0;\r\n #else\r\n vec3 viewNormaInColor = viewNormal;\r\n float frontFaced = float( gl_FrontFacing );\r\n #endif\r\n // [-1, 1] -> [0, 1]\r\n viewNormaInColor = 0.5 * viewNormaInColor + 0.5;\r\n gl_FragData[1] = vec4(viewNormaInColor, frontFaced);\r\n #endif\r\n\r\n #if defined(USE_LIGHTS) && NUM_DIR_LIGHTS > 0\r\n GeometricContext geometry = GeometricContext(normal, normalize( vViewPosition ));\r\n BlinnPhongMaterial material = BlinnPhongMaterial(diffuseColor.rgb, specular, shininess);\r\n vec3 outgoingLight = calcLighting(geometry, material, vViewPosition);\r\n #else\r\n vec3 outgoingLight = diffuseColor.rgb;\r\n #endif\r\n\r\n #ifdef COLOR_FROM_DEPTH\r\n float depth = 0.0;\r\n #if defined(SPHERE_SPRITE) || defined(CYLINDER_SPRITE)\r\n gl_FragDepthEXT = calcDepthForSprites(pixelPosEye, zOffset, projectionMatrix);\r\n depth = gl_FragDepthEXT;\r\n #else\r\n depth = gl_FragCoord.z;\r\n #endif\r\n fragColor = packDepthToRGBA(depth);\r\n return;\r\n #endif\r\n\r\n #ifdef COLOR_FROM_POS\r\n fragColor = world2colorMatrix * pixelPosWorld;\r\n #else\r\n #ifdef OVERRIDE_COLOR\r\n fragColor = vec4(fixedColor, diffuseColor.a);\r\n #else\r\n fragColor = vec4(outgoingLight, diffuseColor.a);//vec4(vNormal, 1.0);\r\n #endif\r\n\r\n #ifdef USE_FOG\r\n float viewDistance;\r\n #if defined(SPHERE_SPRITE) || defined(CYLINDER_SPRITE)\r\n viewDistance = abs(pixelPosEye.z);\r\n #else\r\n viewDistance = vViewPosition.z;\r\n #endif\r\n float fogFactor = smoothstep( fogNear, fogFar, viewDistance) * fogAlpha;\r\n #ifdef FOG_TRANSPARENT\r\n fragColor.a = fragColor.a * (1.0 - fogFactor);\r\n #else\r\n fragColor.rgb = mix( fragColor.rgb, fogColor, fogFactor );\r\n #endif\r\n #endif\r\n\r\n #endif\r\n}\r\n"; var capabilities = { precision: 'mediump', @@ -77258,9 +32089,7 @@ this.fogTransparent = false; // used to render surface normals to G buffer for ssao effect - this.normalsToGBuffer = false; // used to render surface normals directed to the side of viewer to G buffer for ssao effect - - this.doubleSidedGBuffer = false; // used for toon material + this.normalsToGBuffer = false; // used for toon material this.toonShading = false; // uber options of "root" materials are inherited from single uber-options object that resides in prototype @@ -77371,7 +32200,6 @@ this.thickLine = source.thickLine; this.fogTransparent = source.fogTransparent; this.normalsToGBuffer = source.normalsToGBuffer; - this.doubleSidedGBuffer = source.doubleSidedGBuffer; this.toonShading = source.toonShading; this.uberOptions.copy(source.uberOptions); return this; @@ -77491,10 +32319,6 @@ defines.NORMALS_TO_G_BUFFER = 1; } - if (this.doubleSidedGBuffer) { - defines.DOUBLE_SIDED_G_BUFFER = 1; - } - if (this.toonShading) { defines.TOON_SHADING = 1; } // set dependent values @@ -77624,6 +32448,35 @@ }; }(); + Matrix4.prototype.isIdentity = function () { + var identity = new Matrix4(); + return function () { + return identity.equals(this); + }; + }(); + + Matrix4.prototype.applyToPointsArray = function (array, stride, w) { + if (!array || !stride || stride < 3) { + return array; + } + + w = w || 0; // use point as normal by default + + var e = this.elements; + + for (var i = 0; i < array.length; i += stride) { + var x = array[i]; + var y = array[i + 1]; + var z = array[i + 2]; + var persp = 1 / (e[3] * x + e[7] * y + e[11] * z + e[15]); + array[i] = (e[0] * x + e[4] * y + e[8] * z + e[12] * w) * persp; + array[i + 1] = (e[1] * x + e[5] * y + e[9] * z + e[13] * w) * persp; + array[i + 2] = (e[2] * x + e[6] * y + e[10] * z + e[14] * w) * persp; + } + + return array; + }; + var ScreenQuadMaterial = /*#__PURE__*/ function (_THREE$RawShaderMater) { @@ -77772,6 +32625,30 @@ return p; }; + Matrix4.prototype.extractScale = function () { + var _v = new Vector3(); + + return function (scale) { + if (scale === undefined) { + logger.debug('extractScale(): new is too expensive operation to do it on-the-fly'); + scale = _v.clone(); + } + + var te = this.elements; + scale.x = _v.set(te[0], te[1], te[2]).length(); + scale.y = _v.set(te[4], te[5], te[6]).length(); + scale.z = _v.set(te[8], te[9], te[10]).length(); // if determine is negative, we need to invert one scale + + var det = this.determinant(); + + if (det < 0) { + scale.x = -scale.x; + } + + return scale; + }; + }(); + function _calcCylinderMatrix(posBegin, posEnd, radius) { var posCenter = posBegin.clone().lerp(posEnd, 0.5); var matScale = new Matrix4(); @@ -79518,6 +34395,11 @@ geom.boundingBox = this.boundingBox; return [geom]; } + }, { + key: "getGeoParams", + value: function getGeoParams() { + return this._cylGeometry.parameters; + } }, { key: "_init", value: function _init(instanceCount, cylinderGeo, useZSprites) { @@ -83405,9 +38287,6 @@ case 'right': xTranslation = -100; break; - - default: - break; } switch (opts.verticalAlign) { @@ -83418,9 +38297,6 @@ case 'bottom': yTranslation = 0; break; - - default: - break; } var deltaPos = new Vector3(opts.dx || 0, opts.dy || 0, opts.dz || 0); @@ -83771,29 +38647,29 @@ var Mesh$5 = UberObject(Mesh); - var TraceMesh = + var InstancedMesh$1 = /*#__PURE__*/ function (_Mesh) { - inherits(TraceMesh, _Mesh); + inherits(InstancedMesh, _Mesh); - function TraceMesh() { + function InstancedMesh() { var _getPrototypeOf2; var _this; - classCallCheck(this, TraceMesh); + classCallCheck(this, InstancedMesh); for (var _len = arguments.length, rest = new Array(_len), _key = 0; _key < _len; _key++) { rest[_key] = arguments[_key]; } - _this = possibleConstructorReturn(this, (_getPrototypeOf2 = getPrototypeOf(TraceMesh)).call.apply(_getPrototypeOf2, [this].concat(rest))); + _this = possibleConstructorReturn(this, (_getPrototypeOf2 = getPrototypeOf(InstancedMesh)).call.apply(_getPrototypeOf2, [this].concat(rest))); _this.castShadow = true; _this.receiveShadow = true; return _this; } - return TraceMesh; + return InstancedMesh; }(Mesh$5); var meshes = { @@ -83804,7 +38680,7 @@ LineSegments: UberObject(LineSegments), Mesh: SimpleMesh, ThickLineMesh: ThickLineMesh, - Trace: TraceMesh + Instanced: InstancedMesh$1 }; function setMatParams(params, uniforms) { @@ -83814,12 +38690,12 @@ }; } - function _createInstancedCylinders(useZSprites, openEnded, useTraceMesh) { + function _createInstancedCylinders(useZSprites, openEnded) { return { Geometry: function Geometry(a, b) { return new geometries.Instanced2CCylindersGeometry(a, b, useZSprites, openEnded); }, - Object: useTraceMesh ? meshes.Trace : meshes.ZSprite, + Object: useZSprites ? meshes.ZSprite : meshes.Instanced, initMaterial: setMatParams({ instancedMatrix: true, attrColor: true, @@ -83892,7 +38768,7 @@ Geometry: function Geometry(a, b) { return new geometries.InstancedSpheresGeometry(a, b, useZSprites); }, - Object: meshes.ZSprite, + Object: useZSprites ? meshes.ZSprite : meshes.Instanced, initMaterial: setMatParams({ instancedPos: true, attrColor: true, @@ -83904,12 +38780,12 @@ }, { key: "create2CClosedCylinders", value: function create2CClosedCylinders(_caps, _settings) { - return _createInstancedCylinders(false, false, true); + return _createInstancedCylinders(false, false); } }, { key: "create2CCylinders", value: function create2CCylinders(caps, settings) { - return _createInstancedCylinders(settings.now.zSprites, true, false); + return _createInstancedCylinders(settings.now.zSprites, true); } }, { key: "create2CLines", @@ -85853,7 +40729,7 @@ var bondsIdc = this._selection.chunks; var bonds = this._selection.bonds; - var bondsCount = 1; + var bondsCount = 0; for (var i = 0, n = bondsIdc.length; i < n; ++i) { bondsCount += this.getBondOrder(bonds[bondsIdc[i]], drawMultiple, showAromatic); @@ -88881,8 +43757,7 @@ if (settings.now.ao) { this.material.setValues({ - normalsToGBuffer: settings.now.ao, - doubleSidedGBuffer: settings.now.ao + normalsToGBuffer: settings.now.ao }); } @@ -91104,6 +45979,8 @@ this._lines = new LineSegments(geometry, new LineBasicMaterial({ color: 0xFFFFFF })); + + this._lines.layers.set(gfxutils.LAYERS.VOLUME); } // Set one edge (4 points) of frame, from which with parallel transfer the rest of the frame points can be obtained @@ -94887,9 +49764,6 @@ case valueType.buffer: this._header[key] = new Uint8Array(arrays[headerFormat[key][1]], [headerFormat[key][2]] * 4, [headerFormat[key][3]] * 4); break; - - default: - break; } } } @@ -96445,8 +51319,373 @@ GROParser.formats = ['gro']; GROParser.extensions = ['.gro']; + var Complex$9 = chem.Complex, + Element$a = chem.Element, + Bond$5 = chem.Bond, + Molecule$7 = chem.Molecule; + var orderMap$1 = { + un: 0, + 1: 1, + 2: 2, + 3: 3, + ar: 1, + am: 1, + nc: 0, + du: 1 + }; + var typeMap$1 = { + un: Bond$5.BondType.UNKNOWN, + // unknown (cannot be determined from the parameter tables) + 1: Bond$5.BondType.COVALENT, + // single + 2: Bond$5.BondType.COVALENT, + // double + 3: Bond$5.BondType.COVALENT, + // triple + ar: Bond$5.BondType.AROMATIC, + // aromatic + am: Bond$5.BondType.COVALENT, + // amide + nc: Bond$5.BondType.UNKNOWN, + // not connected + du: Bond$5.BondType.COVALENT // dummy + + }; + var resNumberRegex = /\d+$/; + var spacesRegex = /\s+/; + + function splitToFields(str) { + return str.trim().split(spacesRegex); + } + /* There is no jsdoc documentation because of eslint corrections: + * not all Parser methods are implemented + */ + + + var MOL2Parser = + /*#__PURE__*/ + function (_Parser) { + inherits(MOL2Parser, _Parser); + + function MOL2Parser(data, options) { + var _this; + + classCallCheck(this, MOL2Parser); + + _this = possibleConstructorReturn(this, getPrototypeOf(MOL2Parser).call(this, data, options)); + _this._complex = null; + _this._chain = null; + _this._residue = null; + _this._compoundIndx = -1; + _this._molecules = []; + _this._molecule = null; + _this._currPosIdx = 0; + _this._currStartIdx = 0; + _this._serialAtomMap = {}; + _this._options.fileType = 'mol2'; + return _this; + } + + createClass(MOL2Parser, [{ + key: "_parseRawStrings", + value: function _parseRawStrings(data) { + return data.split(/\r?\n|\r/); + } + }, { + key: "_toStringFromStart", + value: function _toStringFromStart(numb, MOL2Data) { + var newPosIdx = this._currStartIdx + numb; + this._currPosIdx = newPosIdx < MOL2Data.length ? newPosIdx : this._currStartIdx; + } + }, { + key: "_toHeaderString", + value: function _toHeaderString(header, MOL2Data) { + this._toStringFromStart(0, MOL2Data); + + while (this._currPosIdx < MOL2Data.length) { + if (MOL2Data[this._currPosIdx].match("@".concat(header))) { + return; + } + + this._currPosIdx++; + } + + this._toStringFromStart(0, MOL2Data); + } + }, { + key: "_toStringFromHeader", + value: function _toStringFromHeader(header, numb, MOL2Data) { + this._toHeaderString(header, MOL2Data); + + var newPosIdx = this._currPosIdx + numb; + + if (MOL2Data[this._currPosIdx].match("@".concat(header)) && newPosIdx < MOL2Data.length) { + this._currPosIdx = newPosIdx; + } + } + }, { + key: "_setStart", + value: function _setStart(startPos, MOL2Data) { + if (startPos >= MOL2Data.length) { + this._currStartIdx = this._currPosIdx = MOL2Data.length - 1; + } else { + this._currStartIdx = this._currPosIdx = startPos; + } + } + }, { + key: "_probablyHaveDataToParse", + value: function _probablyHaveDataToParse(MOL2Data) { + return this._currPosIdx < MOL2Data.length - 2; + } + }, { + key: "_findNextCompoundStart", + value: function _findNextCompoundStart(MOL2Data) { + while (this._currPosIdx < MOL2Data.length && MOL2Data[this._currPosIdx].trim() !== '@MOLECULE>') { + this._currPosIdx++; + } + + this._setStart(++this._currPosIdx, MOL2Data); + + return this._probablyHaveDataToParse(MOL2Data); + } + }, { + key: "_parseMolecule", + value: function _parseMolecule(MOL2Data) { + this._toHeaderString('MOLECULE', MOL2Data); + + var metadata = this._complex.metadata; + metadata.name = MOL2Data[++this._currPosIdx]; + metadata.format = 'mol2'; + this._molecule = { + _index: '', + _chains: [] + }; + this._molecule._index = this._compoundIndx + 1; + + this._molecules.push(this._molecule); + } + /* Atom format description: + * atomId atomName x y z element [resSeq [resName [charge [statusBit]]]] + * statusBits is the internal SYBYL status bits associated with the atom. + * These should never be set by the user. + * Source: http://chemyang.ccnu.edu.cn/ccb/server/AIMMS/mol2.pdf + */ + + }, { + key: "_parseAtoms", + value: function _parseAtoms(atomsNum, MOL2Data) { + this._toHeaderString('ATOM', MOL2Data); + + for (var i = 0; i < atomsNum; i++) { + var parsedStr = splitToFields(MOL2Data[++this._currPosIdx]); + + if (parsedStr.length < 6) { + throw new Error('MOL2 parsing error: Not enough information to create atom!'); + } + + var atomId = parseInt(parsedStr[0], 10); + var atomName = parsedStr[1]; + var x = parseFloat(parsedStr[2]); + var y = parseFloat(parsedStr[3]); + var z = parseFloat(parsedStr[4]); + var element = parsedStr[5].split('.')[0].toUpperCase(); + var charge = 0; + + if (parsedStr.length >= 9) { + charge = parseFloat(parsedStr[8]) || 0.0; + } + + var chain = this._chain; + + if (!chain) { + // .mol2 may contain information about multiple molecules, but they can't be visualized + // at the same time now. There is no need to create different chain IDs then. + this._chain = chain = this._complex.getChain('A') || this._complex.addChain('A'); + this._residue = null; + } + + if (!this._setResidue(parsedStr)) { + continue; + } // These fields are not listed in mol2 format. Set them default. + // Atoms and het atoms doesn't differ in .mol2, + // but het atoms have special residues. It can be used in next updates + + + var het = false; + var altLoc = ' '; + var occupancy = 1.0; + var tempFactor = 0.0; + var type = Element$a.getByName(element); + var role = Element$a.Role[atomName]; + var xyz = new Vector3(x, y, z); + + this._residue.addAtom(atomName, type, xyz, role, het, atomId, altLoc, occupancy, tempFactor, charge); + } + } + }, { + key: "_setResidue", + value: function _setResidue(parsedStr) { + var resSeq = 1; + var resName = 'UNK'; // The same meaning has '<0>' in some mol2 files + + if (parsedStr.length >= 7) { + resSeq = parseInt(parsedStr[6], 10); + } + + if (parsedStr.length >= 8 && parsedStr[7] !== '<0>') { + resName = parsedStr[7].replace(resNumberRegex, ''); + } + + if (this.settings.now.nowater) { + if (resName === 'HOH' || resName === 'WAT') { + return false; + } + } + + var residue = this._residue; + var chain = this._chain; + + if (!residue || residue.getSequence() !== resSeq) { + this._residue = chain.addResidue(resName, resSeq, 'A'); + } + + return true; + } + /* Bond format description + * bondId originAtomId targetAtomId bondType [statusBits] + */ + + }, { + key: "_parseBonds", + value: function _parseBonds(bondsNum, MOL2Data) { + this._toHeaderString('BOND', MOL2Data); + + for (var i = 0; i < bondsNum; i++) { + var parsedStr = splitToFields(MOL2Data[++this._currPosIdx]); + + if (parsedStr.length < 3) { + throw new Error('MOL2 parsing error: Missing information about bonds!'); + } + + var originAtomId = parseInt(parsedStr[1], 10); + var targetAtomId = parseInt(parsedStr[2], 10); + var bondType = parsedStr[3]; + + if (originAtomId > targetAtomId) { + var _ref = [targetAtomId, originAtomId]; + originAtomId = _ref[0]; + targetAtomId = _ref[1]; + } + + this._complex.addBond(originAtomId, targetAtomId, orderMap$1[bondType] || 0, typeMap$1[bondType] || Bond$5.BondType.UNKNOWN, true); + } + } + }, { + key: "_fixSerialAtoms", + value: function _fixSerialAtoms() { + var atoms = this._complex._atoms; + + for (var i = 0; i < atoms.length; i++) { + var atom = atoms[i]; + this._serialAtomMap[atom._serial] = atom; + } + } + }, { + key: "_fixBondsArray", + value: function _fixBondsArray() { + var serialAtomMap = this._serialAtomMap; + var complex = this._complex; + + if (Object.keys(serialAtomMap).length === 0) { + throw new Error('MOL2 parsing error: Missing atom information!'); + } + + var bonds = complex._bonds; + + for (var j = 0; j < bonds.length; j++) { + var bond = bonds[j]; + bond._left = serialAtomMap[bond._left] || null; + bond._right = serialAtomMap[bond._right] || null; + } + } + }, { + key: "_finalizeMolecules", + value: function _finalizeMolecules() { + // Get chain from complex + var chain = this._complex._chains[0]; + this._complex._molecules = []; // Aggregate residues from chains + // (to be precise from the chain 'A') + + for (var i = 0; i < this._molecules.length; i++) { + var currMolecule = this._molecules[i]; + var molResidues = chain._residues; + var molecule = new Molecule$7(this._complex, currMolecule._name, i + 1); + molecule._residues = molResidues; + this._complex._molecules[i] = molecule; + } + } + }, { + key: "_finalize", + value: function _finalize() { + this._complex._finalizeBonds(); + + this._fixSerialAtoms(); + + this._fixBondsArray(); + + this._finalizeMolecules(); + + this._complex.finalize({ + needAutoBonding: false, + detectAromaticLoops: this.settings.now.aromatic, + enableEditing: this.settings.now.editing, + serialAtomMap: this._serialAtomMap + }); + } + }, { + key: "_parseCompound", + value: function _parseCompound(MOL2Data) { + this._compoundIndx++; + + this._parseMolecule(MOL2Data); // Ignoring comments and everything before @MOLECULE block + + + this._toStringFromHeader('MOLECULE', 2, MOL2Data); + + var parsedStr = MOL2Data[this._currPosIdx].trim().split(spacesRegex); + + var atomsNum = parsedStr[0]; + var bondsNum = parsedStr[1]; + + this._parseAtoms(atomsNum, MOL2Data); + + this._parseBonds(bondsNum, MOL2Data); + } + }, { + key: "parseSync", + value: function parseSync() { + var result = this._complex = new Complex$9(); + + var MOL2Data = this._parseRawStrings(this._data); + + do { + this._parseCompound(MOL2Data); + } while (this._findNextCompoundStart(MOL2Data)); + + this._finalize(); + + return result; + } + }]); + + return MOL2Parser; + }(Parser); + + MOL2Parser.formats = ['mol2']; + MOL2Parser.extensions = ['.mol2', '.ml2', '.sy2']; + var parsers = new ParserList([// note: order might be important - PDBParser, CIFParser, MMTFParser, XYZParser, CMLParser, PubChemParser, SDFParser, CCP4Parser, DSN6Parser, GROParser]); + PDBParser, CIFParser, MMTFParser, XYZParser, CMLParser, PubChemParser, SDFParser, CCP4Parser, DSN6Parser, GROParser, MOL2Parser]); /** * A list of available exporters. @@ -97083,8 +52322,1151 @@ return PDBExporter; }(Exporter); PDBExporter.formats = ['pdb']; + PDBExporter.SourceClass = Complex; - var exporters = new ExporterList([PDBExporter]); + var FBX_POS_SIZE = 3; + var FBX_NORM_SIZE = 3; + var FBX_COL_SIZE = 4; + + function copyFbxPoint3(src, srcIdx, dst, dstIdx) { + dst[dstIdx] = src[srcIdx]; + dst[dstIdx + 1] = src[srcIdx + 1]; + dst[dstIdx + 2] = src[srcIdx + 2]; + } + + function copyFbxPoint4(src, srcIdx, dst, dstIdx, value) { + dst[dstIdx] = src[srcIdx]; + dst[dstIdx + 1] = src[srcIdx + 1]; + dst[dstIdx + 2] = src[srcIdx + 2]; + dst[dstIdx + 3] = value; + } + + var vector4 = new Vector4(); + + function copyTransformedPoint3(src, srcIdx, dst, dstIdx, opts) { + vector4.set(src[srcIdx], src[srcIdx + 1], src[srcIdx + 2], opts.w); + vector4.applyMatrix4(opts.matrix); + dst[dstIdx] = vector4.x; + dst[dstIdx + 1] = vector4.y; + dst[dstIdx + 2] = vector4.z; + } + + function setSubArray(src, dst, count, copyFunctor, functorOpts) { + if ((dst.array.length - dst.start) / dst.stride < count || (src.array.length - src.start) / src.stride < count) { + return; // we've got no space + } + + if (src.stride === dst.stride) { + // stride is the same + dst.array.set(src.array, dst.start); + } else { + var idx = dst.start; + var arridx = src.start; + + for (var i = 0; i < count; ++i, idx += dst.stride, arridx += src.stride) { + copyFunctor(src.array, arridx, dst.array, idx, functorOpts); + } + } + } + + var FBXModel = + /*#__PURE__*/ + function () { + function FBXModel() { + classCallCheck(this, FBXModel); + + this.positions = null; + this.normals = null; + this.colors = null; + this.indices = null; + this.lastPos = 0; + this.lastNorm = 0; + this.lastCol = 0; + this.lastIdx = 0; + } + + createClass(FBXModel, [{ + key: "init", + value: function init(vertsCount, indsCount) { + this.positions = new Float32Array(vertsCount * FBX_POS_SIZE); + this.normals = new Float32Array(vertsCount * FBX_NORM_SIZE); + this.colors = new Float32Array(vertsCount * FBX_COL_SIZE); + this.indices = new Int32Array(indsCount); + } + }, { + key: "setPositions", + value: function setPositions(array, start, count, stride) { + var src = { + array: array, + start: start, + stride: stride + }; + var dst = { + array: this.positions, + start: this.lastPos, + stride: FBX_POS_SIZE + }; + setSubArray(src, dst, count, copyFbxPoint3); + this.lastPos += count * FBX_POS_SIZE; + } + }, { + key: "setTransformedPositions", + value: function setTransformedPositions(array, start, count, stride, matrix) { + var idx = this.lastPos; + var arrIdx = start; + var opts = { + matrix: matrix, + w: 1 + }; + + for (var i = 0; i < count; ++i, arrIdx += stride, idx += FBX_POS_SIZE) { + copyTransformedPoint3(array, arrIdx, this.positions, idx, opts); + } + + this.lastPos += count * FBX_POS_SIZE; + } + }, { + key: "setNormals", + value: function setNormals(array, start, count, stride) { + var src = { + array: array, + start: start, + stride: stride + }; + var dst = { + array: this.normals, + start: this.lastNorm, + stride: FBX_NORM_SIZE + }; + setSubArray(src, dst, count, copyFbxPoint3); + this.lastNorm += count * FBX_NORM_SIZE; + } + }, { + key: "setTransformedNormals", + value: function setTransformedNormals(array, start, count, stride, matrix) { + var idx = this.lastNorm; + var arrIdx = start; + var opts = { + matrix: matrix, + w: 0 + }; + + for (var i = 0; i < count; ++i, arrIdx += stride, idx += FBX_NORM_SIZE) { + copyTransformedPoint3(array, arrIdx, this.normals, idx, opts); + } + + this.lastNorm += count * FBX_NORM_SIZE; + } + }, { + key: "setColors", + value: function setColors(array, start, count, stride) { + var src = { + array: array, + start: start, + stride: stride + }; + var dst = { + array: this.colors, + start: this.lastCol, + stride: FBX_COL_SIZE + }; + setSubArray(src, dst, count, copyFbxPoint4, 1); + this.lastCol += count * FBX_COL_SIZE; + } + }, { + key: "setIndices", + value: function setIndices(array, start, count) { + this.indices.set(array, this.lastIdx); + this.lastIdx += count; + } + }, { + key: "setShiftedIndices", + value: function setShiftedIndices(array, count, shift) { + var shifted = array.map(function (x) { + return x + shift; + }); + this.setIndices(shifted, 0, count); + } + }, { + key: "getVerticesNumber", + value: function getVerticesNumber() { + return this.lastPos / FBX_POS_SIZE; + } + }, { + key: "addInstance", + value: function addInstance(matrix, geo) { + // add indices at first to take old number of vertices for shift + var currentCount = this.getVerticesNumber(); + this.setShiftedIndices(geo.indices, geo.indices.length, currentCount); // simply write vertices at empty space + + var size = geo.itemSize; + this.setTransformedPositions(geo.positions, 0, geo.vertsCount, size.position, matrix); + this.setTransformedNormals(geo.normals, 0, geo.vertsCount, size.normal, matrix); + this.setColors(geo.colors, 0, geo.vertsCount, size.color); + } + }]); + + return FBXModel; + }(); + + /** Base class for fbx geometry contains simply organized attributes: positions+normals+colors, indices. */ + var FBXGeometry = + /*#__PURE__*/ + function () { + /** + * Create a base geo with necessary members. + */ + function FBXGeometry() { + classCallCheck(this, FBXGeometry); + + this.positions = null; + this.normals = null; + this.colors = null; + this.indices = null; + this.vertsCount = 0; + this.itemSize = null; + } + /** + * Initialize base geo storing items info from attributes. + * @param {Object} geo - THREE.Geometry. + */ + + + createClass(FBXGeometry, [{ + key: "init", + value: function init(geo, _info) { + var attributes = geo.attributes; // save item size + + this.itemSize = { + position: attributes.position.itemSize, + normal: attributes.normal.itemSize, + color: attributes.color.itemSize + }; + } + }]); + + return FBXGeometry; + }(); + + /** + * Fbx geometry, that copies positions+normals, indexes and creates colors filled with defined value. + * @extends FBXGeometry + */ + + var FBX1CGeometry = + /*#__PURE__*/ + function (_FBXGeometry) { + inherits(FBX1CGeometry, _FBXGeometry); + + function FBX1CGeometry() { + classCallCheck(this, FBX1CGeometry); + + return possibleConstructorReturn(this, getPrototypeOf(FBX1CGeometry).apply(this, arguments)); + } + + createClass(FBX1CGeometry, [{ + key: "init", + + /** + * Initialize geo storing positions, normals, indices and create colors. + * @param {Object} geo - THREE.Geometry. + */ + value: function init(geo, _info) { + get(getPrototypeOf(FBX1CGeometry.prototype), "init", this).call(this, geo, _info); + + var _geo$attributes = geo.attributes, + position = _geo$attributes.position, + normal = _geo$attributes.normal, + index = geo.index; // copy vertices attributes + + this.vertsCount = position.count; + this.positions = position.array; + this.normals = normal.array; // create color array + + this.colors = new Float32Array(this.vertsCount * this.itemSize.color); // indices + + this.indices = index.array; + } + /** + * Set defined color for all items in color attribute + * @param {Object} color - THREE.Color. + */ + + }, { + key: "setColors", + value: function setColors(color) { + var offset = 0; + + for (var i = 0, l = this.colors.length, cl = this.itemSize.color; i < l; i += cl) { + this.colors[offset++] = color.r; + this.colors[offset++] = color.g; + this.colors[offset++] = color.b; + } + } + }]); + + return FBX1CGeometry; + }(FBXGeometry); + + /** + * Fbx geometry, that copies positions+normals, indexes from cylinder geometry and creates colors filled with two + * defined values. + * @extends FBXGeometry + */ + + var FBX2CCylinder = + /*#__PURE__*/ + function (_FBXGeometry) { + inherits(FBX2CCylinder, _FBXGeometry); + + function FBX2CCylinder() { + var _this; + + classCallCheck(this, FBX2CCylinder); + + _this = possibleConstructorReturn(this, getPrototypeOf(FBX2CCylinder).call(this)); + _this._cutRawStart = 0; + _this._cutRawEnd = 0; + _this._facesPerSlice = 0; + return _this; + } + /** + * Initialize geo by creating new attributes, because we extend number of vertices to make cylinder two-colored. + * Indices remain the same. We process open- end close-ended cylinders and consider cylinders od 2 segments + * in height ONLY. + * NOTE: cylinder consists of 2 height segments and stores parts in the order: tube, topCap, bottomCap + * @param {Object} geo - THREE.Geometry. + * @param {Object} info - information needed for geo extend + */ + + + createClass(FBX2CCylinder, [{ + key: "init", + value: function init(geo, info) { + get(getPrototypeOf(FBX2CCylinder.prototype), "init", this).call(this, geo, info); + + var position = geo.attributes.position, + index = geo.index; // extend vertices arrays + + this.vertsCount = position.count + info.addPerCylinder; + this._facesPerSlice = info.addPerCylinder; + this.positions = new Float32Array(this.vertsCount * position.itemSize); + this.normals = new Float32Array(this.vertsCount * this.itemSize.normal); + this.colors = new Float32Array(this.vertsCount * this.itemSize.color); + + this._extendVertices(geo, info); // number of indices stays the same + + + this.indices = new Uint32Array(index.count); + + this._extendIndices(geo, info); + } + /** Extend vertex attributes to have one more slice to make sharp middle startColor-endColor line. */ + + }, { + key: "_extendVertices", + value: function _extendVertices(geo, info) { + var position = geo.attributes.position; + var normal = geo.attributes.normal; + var geoParams = geo.getGeoParams(); + var cutRaw = 1; // we expect cylinders of 2 segments in height => so half segment = 1 + + this._cutRawStart = cutRaw * geoParams.radialSegments; + this._cutRawEnd = this._cutRawStart + info.addPerCylinder; + { + // write first half of cylinder + var temp = position.array.slice(0, this._cutRawEnd * position.itemSize); + this.positions.set(temp, 0); + temp = normal.array.slice(0, this._cutRawEnd * normal.itemSize); + this.normals.set(temp, 0); + } + { + // write second part of cylinder + var _temp = position.array.slice(this._cutRawStart * position.itemSize, position.array.length); + + this.positions.set(_temp, this._cutRawEnd * position.itemSize); + _temp = normal.array.slice(this._cutRawStart * normal.itemSize, normal.array.length); + this.normals.set(_temp, this._cutRawEnd * normal.itemSize); + } + } + /** Shift values of second part (+caps) indices by newly added vertices count. Number of faces remains the same. */ + + }, { + key: "_extendIndices", + value: function _extendIndices(geo, info) { + var index = geo.index; + var indicesPerQuad = 6; // quad = 2 triangles => 6 indices + + var startToShift = info.addPerCylinder * indicesPerQuad; + var shift = info.addPerCylinder; + var shifted = index.array.slice(startToShift, index.count); + shifted = shifted.map(function (x) { + return x + shift; + }); // shift only the endings + + this.indices.set(index.array, 0); + this.indices.set(shifted, startToShift); + } + /** + * Set defined colors: (first part + bottom cap), (second part + top cap) + * @param {number} start - start color index + * @param {number} end - start color index + * @param {array} array - array of colors + * @param {array} color - color value components + */ + + }, { + key: "_setColorRange", + value: function _setColorRange(start, end, array, color) { + var colorSize = color.length; + + for (var i = start; i < end; i += colorSize) { + array.set(color, i); + } + } + /** + * Set defined colors: (first part + bottom cap), (second part + top cap) + * @param {Object} color1 - THREE.Color. + * @param {Object} color2 - THREE.Color. + */ + + }, { + key: "setColors", + value: function setColors(color1, color2) { + var colorSize = this.itemSize.color; + var part1End = this._cutRawEnd * colorSize; + var part2End = part1End * 2; + + this._setColorRange(0, part1End, this.colors, color1.toArray()); + + this._setColorRange(part1End, part2End, this.colors, color2.toArray()); + + if (part2End < this.colors.length) { + // cylinder has caps, lets paint them + var capSize = (this._facesPerSlice + 1) * colorSize; + var cap1End = part2End + capSize; + + this._setColorRange(part2End, cap1End, this.colors, color2.toArray()); + + var cap2End = cap1End + capSize; // should be equal to this.colors.length; + + this._setColorRange(cap1End, cap2End, this.colors, color1.toArray()); + } + } + }]); + + return FBX2CCylinder; + }(FBXGeometry); + + var FBXInfoExtractor = + /*#__PURE__*/ + function () { + function FBXInfoExtractor() { + classCallCheck(this, FBXInfoExtractor); + + this._materials = []; + this._models = []; + } + + createClass(FBXInfoExtractor, [{ + key: "process", + value: function process(data) { + this._extractModelsAndMaterials(data); + + var models = this._flattenModels(); + + return { + name: data.name, + models: models, + materials: this._materials + }; + } + /** + * Extract fbx object information from ComplexVisual + * @param {object} data - complexVisual to get geometry info from + */ + + }, { + key: "_extractModelsAndMaterials", + value: function _extractModelsAndMaterials(data) { + var _this = this; + + var layersOfInterest = new Layers(); + layersOfInterest.set(gfxutils.LAYERS.DEFAULT); + layersOfInterest.enable(gfxutils.LAYERS.TRANSPARENT); + data.traverse(function (object) { + if (object instanceof Mesh && object.layers.test(layersOfInterest) && _this.checkExportAbility(object)) { + if (object.geometry.type === 'InstancedBufferGeometry') { + _this._collectInstancedGeoInfo(object); + } else { + _this._collectGeoInfo(object); + } + } + }); + } + /** + * Reworking indices buffer, see https://banexdevblog.wordpress.com/2014/06/23/a-quick-tutorial-about-the-fbx-ascii-format/ + * basically, every triangle in Miew has been represented hat way (e.g.) : 0,1,7, but we must (for FBX) rework that + * into: 0,1,-8. + * @param {array} indices - belongs to [0, maxVertIndex] + */ + + }, { + key: "_reworkIndices", + value: function _reworkIndices(indices) { + var faceSize = 3; + + for (var i = faceSize - 1; i < indices.length; i += faceSize) { + indices[i] *= -1; + indices[i]--; + } + } + /** + * Combine geometry from several models having the same material into one Model and finally prepare indices + * @returns {array} models, combined by material id + */ + + }, { + key: "_flattenModels", + value: function _flattenModels() { + var overallVertsCount = 0; + + function shift(x) { + return x + overallVertsCount; + } + + var combined = []; // flatten models geometry + + for (var i = 0, n = this._models.length; i < n; i++) { + var models = this._models[i]; + var indices = []; + var positions = []; + var normals = []; + var colors = []; // reorganize every attributes as array of arrays + + overallVertsCount = 0; + + for (var j = 0; j < models.length; j++) { + var m = models[j]; + indices.push(m.indices.map(shift)); + overallVertsCount += m.getVerticesNumber(); + positions.push(m.positions); + normals.push(m.normals); + colors.push(m.colors); + } // join all subarrays into one + + + indices = utils.mergeTypedArraysUnsafe(indices); + + this._reworkIndices(indices); + + positions = utils.mergeTypedArraysUnsafe(positions); + normals = utils.mergeTypedArraysUnsafe(normals); + colors = utils.mergeTypedArraysUnsafe(colors); + combined.push({ + indices: indices, + positions: positions, + normals: normals, + colors: colors, + verticesCount: overallVertsCount + }); + } + + return combined; + } + /** + * Check ability to export the kind of mesh. + * @param {object} mesh - given mesh to check + * @returns {boolean} result of check + */ + + }, { + key: "checkExportAbility", + value: function checkExportAbility(mesh) { + // check mesh on not being empty + if (mesh.geometry.attributes.position.count === 0) { + return false; + } // check type of mesh + // if (mesh.geometry.isInstancedBufferGeometry && settings.now.zSprites) { + + + if (mesh instanceof ZSpriteMesh) { + logger.warn('Currently we cannot export \'sprites\' modes, like BS, WV, LC. Please turn of settings \'zSprites\' and try again'); + return false; + } + + if (mesh instanceof ThickLineMesh) { + logger.warn('Currently we cannot export Lines mode'); + return false; + } + + return true; + } + /** + * Save geometry info from common mesh, like Surface or Cartoon + */ + + }, { + key: "_collectGeoInfo", + value: function _collectGeoInfo(mesh) { + var _mesh$geometry = mesh.geometry, + _mesh$geometry$attrib = _mesh$geometry.attributes, + position = _mesh$geometry$attrib.position, + color = _mesh$geometry$attrib.color, + normal = _mesh$geometry$attrib.normal, + index = _mesh$geometry.index, + matrix = mesh.matrix; + var model = new FBXModel(); + var vertCount = position.count; + model.init(vertCount, index.count); + + if (matrix.isIdentity()) { + model.setPositions(position.array, 0, vertCount, position.itemSize); + model.setNormals(normal.array, 0, vertCount, normal.itemSize); + } else { + model.setTransformedPositions(position.array, 0, vertCount, position.itemSize, matrix); + model.setTransformedNormals(normal.array, 0, vertCount, normal.itemSize, matrix); + } + + model.setColors(color.array, 0, vertCount, color.itemSize); + model.setIndices(index.array, 0, index.count); + + var material = this._collectMaterialInfo(mesh); + + this._addToPool(model, material); + } + /** + * Collect instanced spheres geometry and materials. + * @param {object} mesh - mesh with instanced spheres info + */ + + }, { + key: "_collectSpheresInfo", + value: function _collectSpheresInfo(mesh) { + var _mesh$geometry2 = mesh.geometry, + _mesh$geometry2$attri = _mesh$geometry2.attributes, + position = _mesh$geometry2$attri.position, + color = _mesh$geometry2$attri.color, + index = _mesh$geometry2.index, + matrix = mesh.matrix; + var model = new FBXModel(); + var instCount = mesh.geometry.maxInstancedCount; + var vertCount = position.count; + var indsCount = index.count; + model.init(instCount * vertCount, instCount * indsCount); + var geo = new FBX1CGeometry(); + geo.init(mesh.geometry); + var instMatrix = new Matrix4(); + var objMatrix = new Matrix4(); + var sphereColor = new Color(); + + for (var instanceIndex = 0; instanceIndex < instCount; ++instanceIndex) { + // update colors in geometry + var colorIdx = instanceIndex * color.itemSize; + sphereColor.fromArray(color.array, colorIdx); + geo.setColors(sphereColor); // add instance to the model + + this._getSphereInstanceMatrix(mesh.geometry, instanceIndex, instMatrix); + + objMatrix.multiplyMatrices(matrix, instMatrix); + model.addInstance(objMatrix, geo); + } + + var material = this._collectMaterialInfo(mesh); + + this._addToPool(model, material); + } + /** + * Getting all instanced cylinders from given mesh. + * Divide cylinder (add additional vertexes) for prettiness therefore algorithm is a bit complicated + * @param {object} mesh - given mesh with instanced cylinders + */ + + }, { + key: "_collectCylindersInfo", + value: function _collectCylindersInfo(mesh) { + var _mesh$geometry3 = mesh.geometry, + _mesh$geometry3$attri = _mesh$geometry3.attributes, + position = _mesh$geometry3$attri.position, + color = _mesh$geometry3$attri.color, + color2 = _mesh$geometry3$attri.color2, + index = _mesh$geometry3.index, + matrix = mesh.matrix; + var model = new FBXModel(); + var instCount = mesh.geometry.maxInstancedCount; + var oneCCylinder = new FBX1CGeometry(); + oneCCylinder.init(mesh.geometry); + + var splittingInfo = this._gatherCylindersColoringInfo(mesh.geometry); + + var twoCCylinder = null; + + if (splittingInfo.needToSplit > 0) { + twoCCylinder = new FBX2CCylinder(); + twoCCylinder.init(mesh.geometry, splittingInfo); + } + + var additionalVertsCount = splittingInfo.addPerCylinder * splittingInfo.needToSplit; + var vertCount = position.count; + var indsCount = index.count; + model.init(instCount * vertCount + additionalVertsCount, instCount * indsCount); + var instMatrix = new Matrix4(); + var objMatrix = new Matrix4(); + var colorStart = new Color(); + var colorEnd = new Color(); + var geo = {}; + + for (var instanceIndex = 0; instanceIndex < instCount; ++instanceIndex) { + // update colors in geometry + var colorIdx = instanceIndex * color.itemSize; + + if (splittingInfo.is2Colored[instanceIndex]) { + // .color2 contains starting color, and .color contains starting color (see uber.frag ATTR_COLOR2) + colorStart.fromArray(color2.array, colorIdx); + colorEnd.fromArray(color.array, colorIdx); + twoCCylinder.setColors(colorStart, colorEnd); + geo = twoCCylinder; + } else { + // has one color per cylinder + colorStart.fromArray(color.array, colorIdx); + oneCCylinder.setColors(colorStart); + geo = oneCCylinder; + } // add instance to the model + + + this._getCylinderInstanceMatrix(mesh.geometry, instanceIndex, instMatrix); + + objMatrix.multiplyMatrices(matrix, instMatrix); + model.addInstance(objMatrix, geo); + } + + var material = this._collectMaterialInfo(mesh); + + this._addToPool(model, material); + } + /** + * Adding model to pool of models or extend existing ones + * @param {object} model - model to add + * @param {object} material - material to add + */ + + }, { + key: "_addToPool", + value: function _addToPool(model, material) { + var materialIdx = this._checkExistingMaterial(material); + + if (materialIdx < 0) { + // new model-material pair + this._models.push([model]); + + this._materials.push(material); + } else { + // add model to existing model-material pair + var models = this._models[materialIdx]; + models.push(model); + } + } + /** + * Checking if given material already was registered in materials pool (no need to create new one) + * @param {object} material - given material + * @returns {number} number of model-material pair + */ + + }, { + key: "_checkExistingMaterial", + value: function _checkExistingMaterial(material) { + return lodash.findIndex(this._materials, function (m) { + return lodash.isEqual(m, material); + }); + } + }, { + key: "_gatherCylindersColoringInfo", + value: function _gatherCylindersColoringInfo(geo) { + var instCount = geo.maxInstancedCount; + var color1 = geo.attributes.color.array; + var color2 = geo.attributes.color2.array; + var stride = geo.attributes.color.itemSize; + var is2Colored = new Array(instCount); // analyze color instance attributes + + var needToSplit = 0; + var colIdx = 0; + + for (var i = 0; i < instCount; i++, colIdx += stride) { + var differs = Math.abs(color1[colIdx] - color2[colIdx]) > 0.0000001 || // compare ending colors + Math.abs(color1[colIdx + 1] - color2[colIdx + 1]) > 0.0000001 || Math.abs(color1[colIdx + 2] - color2[colIdx + 2]) > 0.0000001; + is2Colored[i] = differs; + needToSplit += differs; // count number of 2-colored cylinders + } // calc number of vertices to add into 2-colored + + + var geoParams = geo.getGeoParams(); + var addPerCylinder = geoParams.radialSegments; + return { + is2Colored: is2Colored, + needToSplit: needToSplit, + addPerCylinder: addPerCylinder + }; + } + /** + * Collect instanced models and materials. + * @param {object} mesh - given mesh with instanced something (spheres or cylinders) + */ + + }, { + key: "_collectInstancedGeoInfo", + value: function _collectInstancedGeoInfo(mesh) { + if (mesh.geometry instanceof InstancedSpheresGeometry) { + this._collectSpheresInfo(mesh); + } else if (mesh.geometry instanceof Instanced2CCylindersGeometry) { + this._collectCylindersInfo(mesh); + } + } + /** + * Collect Material info from given mesh. + * @param {object} mesh - given mesh with material info + * @returns {object} material + */ + + }, { + key: "_collectMaterialInfo", + value: function _collectMaterialInfo(mesh) { + var uberOptions = mesh.material.uberOptions; + return { + diffuse: uberOptions.diffuse.toArray(), + opacity: uberOptions.opacity, + shininess: uberOptions.shininess, + specular: uberOptions.specular.toArray() + }; + } + }, { + key: "_getCylinderInstanceMatrix", + value: function _getCylinderInstanceMatrix(geo, instIdx, matrix) { + var matVector1 = geo.attributes.matVector1.array; + var matVector2 = geo.attributes.matVector2.array; + var matVector3 = geo.attributes.matVector3.array; + var idxOffset = instIdx * 4; // used 4 because offset arrays are stored in quads + + matrix.set(matVector1[idxOffset], matVector1[idxOffset + 1], matVector1[idxOffset + 2], matVector1[idxOffset + 3], matVector2[idxOffset], matVector2[idxOffset + 1], matVector2[idxOffset + 2], matVector2[idxOffset + 3], matVector3[idxOffset], matVector3[idxOffset + 1], matVector3[idxOffset + 2], matVector3[idxOffset + 3], 0, 0, 0, 1); + } + }, { + key: "_getSphereInstanceMatrix", + value: function _getSphereInstanceMatrix(geo, instIdx, matrix) { + var offset = geo.attributes.offset; + var idx = instIdx * offset.itemSize; + var x = offset.array[idx]; + var y = offset.array[idx + 1]; + var z = offset.array[idx + 2]; + var scale = offset.array[idx + 3]; + matrix.set(scale, 0, 0, x, 0, scale, 0, y, 0, 0, scale, z, 0, 0, 0, 1); + } + }]); + + return FBXInfoExtractor; + }(); + + // Forming default definitions block + var defaultDefinitions = "\nDefinitions: {\n Version: 100\n Count: 3\n ObjectType: \"Model\" {\n Count: 1\n }\n ObjectType: \"Geometry\" {\n Count: 1\n }\n ObjectType: \"Material\" {\n Count: 1\n }\n ObjectType: \"Pose\" {\n Count: 1\n }\n ObjectType: \"GlobalSettings\" {\n Count: 1\n }\n} "; // Default model properties + + var defaultProperties = "Properties60: {\n Property: \"QuaternionInterpolate\", \"bool\", \"\",0\n Property: \"Visibility\", \"Visibility\", \"A\",1\n Property: \"Lcl Translation\", \"Lcl Translation\", \"A\",0.000000000000000,0.000000000000000,-1789.238037109375000\n Property: \"Lcl Rotation\", \"Lcl Rotation\", \"A\",0.000009334667643,-0.000000000000000,0.000000000000000\n Property: \"Lcl Scaling\", \"Lcl Scaling\", \"A\",1.000000000000000,1.000000000000000,1.000000000000000\n Property: \"RotationOffset\", \"Vector3D\", \"\",0,0,0\n Property: \"RotationPivot\", \"Vector3D\", \"\",0,0,0\n Property: \"ScalingOffset\", \"Vector3D\", \"\",0,0,0\n Property: \"ScalingPivot\", \"Vector3D\", \"\",0,0,0\n Property: \"TranslationActive\", \"bool\", \"\",0\n Property: \"TranslationMin\", \"Vector3D\", \"\",0,0,0\n Property: \"TranslationMax\", \"Vector3D\", \"\",0,0,0\n Property: \"TranslationMinX\", \"bool\", \"\",0\n Property: \"TranslationMinY\", \"bool\", \"\",0\n Property: \"TranslationMinZ\", \"bool\", \"\",0\n Property: \"TranslationMaxX\", \"bool\", \"\",0\n Property: \"TranslationMaxY\", \"bool\", \"\",0\n Property: \"TranslationMaxZ\", \"bool\", \"\",0\n Property: \"RotationOrder\", \"enum\", \"\",0\n Property: \"RotationSpaceForLimitOnly\", \"bool\", \"\",0\n Property: \"AxisLen\", \"double\", \"\",10\n Property: \"PreRotation\", \"Vector3D\", \"\",0,0,0\n Property: \"PostRotation\", \"Vector3D\", \"\",0,0,0\n Property: \"RotationActive\", \"bool\", \"\",0\n Property: \"RotationMin\", \"Vector3D\", \"\",0,0,0\n Property: \"RotationMax\", \"Vector3D\", \"\",0,0,0\n Property: \"RotationMinX\", \"bool\", \"\",0\n Property: \"RotationMinY\", \"bool\", \"\",0\n Property: \"RotationMinZ\", \"bool\", \"\",0\n Property: \"RotationMaxX\", \"bool\", \"\",0\n Property: \"RotationMaxY\", \"bool\", \"\",0\n Property: \"RotationMaxZ\", \"bool\", \"\",0\n Property: \"RotationStiffnessX\", \"double\", \"\",0\n Property: \"RotationStiffnessY\", \"double\", \"\",0\n Property: \"RotationStiffnessZ\", \"double\", \"\",0\n Property: \"MinDampRangeX\", \"double\", \"\",0\n Property: \"MinDampRangeY\", \"double\", \"\",0\n Property: \"MinDampRangeZ\", \"double\", \"\",0\n Property: \"MaxDampRangeX\", \"double\", \"\",0\n Property: \"MaxDampRangeY\", \"double\", \"\",0\n Property: \"MaxDampRangeZ\", \"double\", \"\",0\n Property: \"MinDampStrengthX\", \"double\", \"\",0\n Property: \"MinDampStrengthY\", \"double\", \"\",0\n Property: \"MinDampStrengthZ\", \"double\", \"\",0\n Property: \"MaxDampStrengthX\", \"double\", \"\",0\n Property: \"MaxDampStrengthY\", \"double\", \"\",0\n Property: \"MaxDampStrengthZ\", \"double\", \"\",0\n Property: \"PreferedAngleX\", \"double\", \"\",0\n Property: \"PreferedAngleY\", \"double\", \"\",0\n Property: \"PreferedAngleZ\", \"double\", \"\",0\n Property: \"InheritType\", \"enum\", \"\",0\n Property: \"ScalingActive\", \"bool\", \"\",0\n Property: \"ScalingMin\", \"Vector3D\", \"\",1,1,1\n Property: \"ScalingMax\", \"Vector3D\", \"\",1,1,1\n Property: \"ScalingMinX\", \"bool\", \"\",0\n Property: \"ScalingMinY\", \"bool\", \"\",0\n Property: \"ScalingMinZ\", \"bool\", \"\",0\n Property: \"ScalingMaxX\", \"bool\", \"\",0\n Property: \"ScalingMaxY\", \"bool\", \"\",0\n Property: \"ScalingMaxZ\", \"bool\", \"\",0\n Property: \"GeometricTranslation\", \"Vector3D\", \"\",0,0,0\n Property: \"GeometricRotation\", \"Vector3D\", \"\",0,0,0\n Property: \"GeometricScaling\", \"Vector3D\", \"\",1,1,1\n Property: \"LookAtProperty\", \"object\", \"\"\n Property: \"UpVectorProperty\", \"object\", \"\"\n Property: \"Show\", \"bool\", \"\",1\n Property: \"NegativePercentShapeSupport\", \"bool\", \"\",1\n Property: \"DefaultAttributeIndex\", \"int\", \"\",0\n Property: \"Color\", \"Color\", \"A+\",0,0,0\n Property: \"Size\", \"double\", \"\",100\n Property: \"Look\", \"enum\", \"\",1\n }"; // Default materials layer + + var defaultMaterialLayer = "\n LayerElementMaterial: 0 {\n Version: 101\n Name: \"\"\n MappingInformationType: \"AllSame\"\n ReferenceInformationType: \"Direct\"\n Materials: 0\n }"; // Default layers block + + var defaultLayerBlock = "\n Layer: 0 {\n Version: 100\n LayerElement: {\n Type: \"LayerElementNormal\"\n TypedIndex: 0\n }\n LayerElement: {\n Type: \"LayerElementColor\"\n TypedIndex: 0\n }\n LayerElement: {\n Type: \"LayerElementMaterial\"\n TypedIndex: 0\n }\n }"; + /** + * globalSettings info in output file. + */ + + var globalSettings = "GlobalSettings: {\n Version: 1000\n Properties60: {\n Property: \"UpAxis\", \"int\", \"\",1\n Property: \"UpAxisSign\", \"int\", \"\",1\n Property: \"FrontAxis\", \"int\", \"\",2\n Property: \"FrontAxisSign\", \"int\", \"\",1\n Property: \"CoordAxis\", \"int\", \"\",0\n Property: \"CoordAxisSign\", \"int\", \"\",1\n Property: \"UnitScaleFactor\", \"double\", \"\",1\n }\n }"; + + var FBXResult = + /*#__PURE__*/ + function () { + function FBXResult() { + classCallCheck(this, FBXResult); + + this._resultArray = []; + this._info = null; + } + + createClass(FBXResult, [{ + key: "getResult", + value: function getResult(info) { + this._info = info; + + this._resultArray.push(this._writeHeader()); + + this._resultArray.push(this._writeDefinitions()); + + this._resultArray.push(this._writeObjects(info.models, info.materials)); + + this._resultArray.push(this._writeRelations()); + + this._resultArray.push(this._writeConnections()); // connections between models and materials) + + + this._info = null; + return this._resultArray.join(''); + } + /** + * Add FBXHeader info to output file. + * Some fields are really confusing, but it seems that all listed fields are very informative + */ + + }, { + key: "_writeHeader", + value: function _writeHeader() { + var FBXHeaderVersion = 1003; // 1003 is some number which appears to present in many 6.1 ASCII files + + var FBXVersion = 6100; // Mandatory and only supported version + + var date = new Date(); + var timeStampVersion = 1000; + var creator = "Miew FBX Exporter v".concat(this._info.version); // Supposed to be an engine + + return "; FBX 6.1.0 project file\n; Created by ".concat(creator, " Copyright (c) 2015-2019 EPAM Systems, Inc.\n; For support please contact miew@epam.com\n; ----------------------------------------------------\n\nFBXHeaderExtension: {\n FBXHeaderVersion: ").concat(FBXHeaderVersion, "\n FBXVersion: ").concat(FBXVersion, "\n CreationTimeStamp: {\n Version: ").concat(timeStampVersion, "\n Year: ").concat(date.getFullYear(), "\n Month: ").concat(date.getMonth() + 1, " \n Day: ").concat(date.getDate(), "\n Hour: ").concat(date.getHours(), "\n Minute: ").concat(date.getMinutes(), "\n Second: ").concat(date.getSeconds(), "\n Millisecond: ").concat(date.getMilliseconds(), "\n }\n Creator: \"").concat(creator, "\"\n OtherFlags: {\n FlagPLE: 0\n }\n}\nCreationTime: \"").concat(date, "\"\nCreator: \"").concat(creator, "\" \n"); + } + /** + * Add Definitions info to output file. + * Not exactly sure if this section is template section (as it is in 7.4+) or it should every time be like this + */ + + }, { + key: "_writeDefinitions", + value: function _writeDefinitions() { + return "\n; Object definitions\n;------------------------------------------------------------------\n\n".concat(defaultDefinitions, "\n"); + } + /** + * Adding gathered information about Models to resulting string. + * Reminder - there may be more then 1 model in scene, but we must place materials after ALL models. + * @returns {string} string containing all models (vertices, indices, colors, normals etc) + */ + + }, { + key: "_models", + value: function _models() { + var modelVersion = 232; + var allModels = ''; + var models = this._info.models; + + for (var i = 0; i < models.length; ++i) { + var model = models[i]; + var vertCount = model.verticesCount; + allModels += "\n Model: \"Model::".concat(this._info.name, "_").concat(i, "\", \"Mesh\" {\n Version: ").concat(modelVersion, " \n ").concat(defaultProperties, "\n ").concat(this._verticesIndices(model.positions, model.indices), "\n ").concat(this._normalLayer(model.normals), " \n ").concat(this._colorLayer(model.colors, vertCount), " \n ").concat(defaultMaterialLayer, " \n ").concat(defaultLayerBlock, "\n }"); + } + + return allModels; + } + /** + * Add Material info to result + */ + + }, { + key: "_materials", + value: function _materials() { + var materialVersion = 102; + var allMaterials = ''; + var materials = this._info.materials; + + for (var i = 0; i < materials.length; ++i) { + var material = materials[i]; + allMaterials += "\n Material: \"Material::".concat(this._info.name, "_").concat(i, "_default\", \"\" {\n Version: ").concat(materialVersion, "\n ShadingModel: \"lambert\"\n MultiLayer: 0\n ").concat(this._materialProperties(material), "\n }"); + } + + return allMaterials; + } + /** + * Add Objects info to output file. + */ + + }, { + key: "_writeObjects", + value: function _writeObjects() { + return "\n; Object properties\n;------------------------------------------------------------------\n\nObjects: {\n ".concat(this._models(), "\n ").concat(this._materials(), "\n ").concat(globalSettings, "\n}\n"); + } + /** + * Add Relations info to output file. + */ + + }, { + key: "_writeRelations", + value: function _writeRelations() { + var modelsList = ''; + + for (var i = 0; i < this._info.models.length; ++i) { + modelsList += "\n Model: \"Model::".concat(this._info.name, "_").concat(i, "\", \"Mesh\" {\n }"); + } + + var materialList = ''; + + for (var _i = 0; _i < this._info.materials.length; ++_i) { + materialList += "\n Material: \"Material::".concat(this._info.name, "_").concat(_i, "_default\", \"\" {\n }"); + } + + return "\n; Object relations\n;------------------------------------------------------------------\n\nRelations: {\n ".concat(modelsList, "\n Model: \"Model::Producer Perspective\", \"Camera\" {\n }\n Model: \"Model::Producer Top\", \"Camera\" {\n }\n Model: \"Model::Producer Bottom\", \"Camera\" {\n }\n Model: \"Model::Producer Front\", \"Camera\" {\n }\n Model: \"Model::Producer Back\", \"Camera\" {\n }\n Model: \"Model::Producer Right\", \"Camera\" {\n }\n Model: \"Model::Producer Left\", \"Camera\" {\n }\n Model: \"Model::Camera Switcher\", \"CameraSwitcher\" {\n }\n ").concat(materialList, "\n}"); + } + /** + * Add Connections info to output file. + */ + + }, { + key: "_writeConnections", + value: function _writeConnections() { + var modelsList = ''; + var name = this._info.name; + + for (var i = 0; i < this._info.models.length; ++i) { + modelsList += "\n Connect: \"OO\", \"Model::".concat(name, "_").concat(i, "\", \"Model::Scene\""); + } + + var materialList = ''; + + for (var _i2 = 0; _i2 < this._info.materials.length; ++_i2) { + materialList += "\n Connect: \"OO\", \"Material::".concat(name, "_").concat(_i2, "_default\", \"Model::").concat(name, "_").concat(_i2, "\""); + } + + return "\n; Object connections\n;------------------------------------------------------------------\n\nConnections: {\n ".concat(modelsList, "\n ").concat(materialList, "\n}"); + } + /** + * Write float array to string with limited precision + * @param {Float32Array} array - array to be fixed + * @returns {String} String with fixed floats + */ + + }, { + key: "_floatArrayToString", + value: function _floatArrayToString(array) { + var str = []; + + for (var i = 0; i < array.length; ++i) { + str[i] = array[i].toFixed(6); + } + + return str.join(','); + } + /** + * Adding color layer to resulting file + * @param {Float32Array} colorArray attribute + * @param {number} vertCount - number of vertices in the model + * @returns {string} color layer info + */ + + }, { + key: "_colorLayer", + value: function _colorLayer(colorArray, vertCount) { + var layerElementColorNumber = 0; + var layerElementColorVersion = 101; + var layerElementColorName = ''; + + var colorsStr = this._floatArrayToString(colorArray); // Mapping Information type and Reference Information type are mandatory for our Miew! Must not be changed + // As said [..Array(...)] - fastest and easiest way to produce [0, 1, .....] array + + + var colorIndices = toConsumableArray(Array(vertCount).keys()); + + return "\n LayerElementColor: ".concat(layerElementColorNumber, " {\n Version: ").concat(layerElementColorVersion, "\n Name: \"").concat(layerElementColorName, "\"\n MappingInformationType: \"ByVertice\"\n ReferenceInformationType: \"Direct\"\n Colors: ").concat(colorsStr, "\n ColorIndex: ").concat(colorIndices, "\n }"); + } + /** + * Adding normal layer to resulting file + * @param {Float32Array} normalArray attribute + * @returns {string} normal layer info + */ + + }, { + key: "_normalLayer", + value: function _normalLayer(normalArray) { + var layerElementNormalNumber = 0; + var layerElementNormalVersion = 101; + var layerElementNormalName = ''; + + var normalsStr = this._floatArrayToString(normalArray); // Mapping Information type and Reference Information type are mandatory for our Miew! Must not be changed + + + return "\n LayerElementNormal: ".concat(layerElementNormalNumber, " {\n Version: ").concat(layerElementNormalVersion, "\n Name: \"").concat(layerElementNormalName, "\"\n MappingInformationType: \"ByVertice\"\n ReferenceInformationType: \"Direct\" \n Normals: ").concat(normalsStr, "\n }"); + } + /** + * Adding vertices and indices to resulting string + * @return {string} resulting string in FBX notation + */ + + }, { + key: "_verticesIndices", + value: function _verticesIndices(positions, indices) { + var multiLayer = 0; + var multiTake = 1; + var shading = 'Y'; + var culling = 'CullingOff'; + var geometryVersion = 124; + + var vertStr = this._floatArrayToString(positions); + /* About _correctArrayNotation: Float32Arrays will contains only Float32 numbers, which implies that it will be floating points with 17 numbers after point. + * We cannot (and it's logically incorrect) save all this information, so we convert this Float32Array into Array-like object with numbers with only 6 numbers after point + * Reminder - this is big memory loss (as we must save at one moment two arrays with similar information) */ + + + return "MultiLayer: ".concat(multiLayer, "\n MultiTake: ").concat(multiTake, "\n Shading: ").concat(shading, "\n Culling: \"").concat(culling, "\"\n Vertices: ").concat(vertStr, "\n PolygonVertexIndex: ").concat(indices, "\n GeometryVersion: ").concat(geometryVersion); + } + /** + * Forming material properties block. + * @param {Object} material - given material of model + * @returns {String} material properties string + */ + + }, { + key: "_materialProperties", + value: function _materialProperties(material) { + return "Properties60: {\n Property: \"ShadingModel\", \"KString\", \"\", \"Lambert\"\n Property: \"MultiLayer\", \"bool\", \"\",0\n Property: \"EmissiveColor\", \"ColorRGB\", \"\",0,0,0\n Property: \"EmissiveFactor\", \"double\", \"\",0.0000\n Property: \"AmbientColor\", \"ColorRGB\", \"\",1,1,1\n Property: \"AmbientFactor\", \"double\", \"\",0.0000\n Property: \"DiffuseColor\", \"ColorRGB\", \"\",".concat(material.diffuse, "\n Property: \"DiffuseFactor\", \"double\", \"\",1.0000\n Property: \"Bump\", \"Vector3D\", \"\",0,0,0\n Property: \"TransparentColor\", \"ColorRGB\", \"\",1,1,1\n Property: \"TransparencyFactor\", \"double\", \"\",0.0000\n Property: \"SpecularColor\", \"ColorRGB\", \"\",").concat(material.specular, "\n Property: \"SpecularFactor\", \"double\", \"\",1.0000\n Property: \"ShininessExponent\", \"double\", \"\",").concat(material.shininess, "\n Property: \"ReflectionColor\", \"ColorRGB\", \"\",0,0,0\n Property: \"ReflectionFactor\", \"double\", \"\",1\n Property: \"Ambient\", \"ColorRGB\", \"\",1,1,1\n Property: \"Diffuse\", \"ColorRGB\", \"\",").concat(material.diffuse, "\n Property: \"Specular\", \"ColorRGB\", \"\",").concat(material.specular, "\n Property: \"Shininess\", \"double\", \"\",").concat(material.shininess, "\n Property: \"Opacity\", \"double\", \"\",").concat(material.opacity, "\n Property: \"Reflectivity\", \"double\", \"\",0\n }"); + } + }]); + + return FBXResult; + }(); + + var FBXExporter = + /*#__PURE__*/ + function (_Exporter) { + inherits(FBXExporter, _Exporter); + + function FBXExporter(source, options) { + var _this; + + classCallCheck(this, FBXExporter); + + _this = possibleConstructorReturn(this, getPrototypeOf(FBXExporter).call(this, source, options)); // Data + + _this._data = source; + _this._version = options.miewVersion || '0.0-UNSPECIFIED'; + _this._extractor = new FBXInfoExtractor(); + return _this; + } + /** + * Entry point to exporter. + */ + + + createClass(FBXExporter, [{ + key: "exportSync", + value: function exportSync() { + // Creating mandatory blocks + var result = new FBXResult(); + + if (!this._source) { + return this._result; + } + + var info = this._extractor.process(this._data); + + info.version = this._version; + this._result = result.getResult(info); + return this._result; + } + }]); + + return FBXExporter; + }(Exporter); + FBXExporter.formats = ['fbx']; + FBXExporter.SourceClass = ComplexVisual; + + var exporters = new ExporterList([PDBExporter, FBXExporter]); var io = { loaders: loaders, @@ -97845,9 +54227,6 @@ this.translatePivotByMouse(); break; - - default: - break; } }; @@ -97964,8 +54343,6 @@ } break; - - default: } }; @@ -97983,8 +54360,6 @@ event.preventDefault(); event.stopPropagation(); break; - - default: } }; @@ -98675,9 +55050,6 @@ self._parseBuffer(); break; - - default: - break; } } } @@ -99069,172 +55441,246 @@ FXAAMaterial.prototype.bgTransparent = false; - var fragmentSSAOShader = "precision highp float;\r\n\r\n#define MAX_SAMPLES_COUNT 32\r\n\r\nuniform vec3 samplesKernel[MAX_SAMPLES_COUNT];\r\nuniform sampler2D noiseTexture;\r\nuniform vec2 noiseTexelSize;\r\nuniform sampler2D diffuseTexture;\r\nuniform sampler2D depthTexture;\r\nuniform sampler2D normalTexture;\r\nuniform vec2 srcTexelSize;\r\nuniform vec2 camNearFar;\r\nuniform mat4 projMatrix;\r\n\r\nuniform float aspectRatio;\r\nuniform float tanHalfFOV;\r\n\r\nuniform float kernelRadius;\r\nuniform float depthThreshold;\r\nuniform float factor;\r\n\r\nuniform vec2 fogNearFar;\r\nvarying vec2 vUv;\r\n\r\nfloat CalcViewZ(vec2 screenPos)\r\n{\r\n float depth = texture2D(depthTexture, screenPos).x;\r\n // [0, 1]->[-1, 1]\r\n float clipedZ = 2.0 * depth - 1.0;\r\n // see THREE.js camera.makeFrustum for projection details\r\n return (-projMatrix[3][2] / (clipedZ + projMatrix[2][2]));\r\n}\r\n\r\nvec3 ViewPosFromDepth(vec2 screenPos)\r\n{\r\n vec3 viewPos;\r\n viewPos.z = CalcViewZ(screenPos);\r\n //[0, 1]->[-1, 1]\r\n vec2 projPos = 2.0 * screenPos - 1.0;\r\n // reconstruct viewposition in right-handed sc with z to viewer\r\n viewPos.xy = vec2(\r\n projPos.x * aspectRatio * tanHalfFOV * abs(viewPos.z),\r\n projPos.y * tanHalfFOV * abs(viewPos.z)\r\n );\r\n return viewPos;\r\n}\r\n\r\nvoid main() {\r\n vec3 viewPos = ViewPosFromDepth(vUv);\r\n // remap coordinates to prevent noise exture rescale\r\n vec2 vUvNoise = vUv / srcTexelSize * noiseTexelSize;\r\n //[0, 1] -> [-1, 1]\r\n vec3 normal = (texture2D(normalTexture, vUv).rgb * 2.0 - 1.0);\r\n // get random vector for sampling sphere rotation\r\n vec3 randN = texture2D(noiseTexture, vUvNoise).rgb * 2.0 - 1.0;\r\n randN = normalize(randN);\r\n // build TBN (randomly rotated around normal)\r\n vec3 tangent = normalize(randN - normal * dot(randN, normal));\r\n vec3 bitangent = cross(tangent, normal);\r\n mat3 TBN = mat3(tangent, bitangent, normal);\r\n // calc AO value\r\n float AO = 0.0;\r\n for (int i = 0 ; i < MAX_SAMPLES_COUNT ; i++) {\r\n // rotate sampling kernel around normal\r\n vec3 reflectedSample = TBN * samplesKernel[i];\r\n // get sample\r\n vec3 samplePos = viewPos + reflectedSample * kernelRadius;\r\n\r\n // project sample to screen to get sample's screen pos\r\n vec4 SampleScrPos = vec4(samplePos, 1.0);\r\n // eye -> clip\r\n SampleScrPos = projMatrix * SampleScrPos;\r\n // normalize\r\n SampleScrPos.xy /= SampleScrPos.w;\r\n //[-1, 1] -> [0, 1]\r\n SampleScrPos.xy = (SampleScrPos.xy + vec2(1.0)) * 0.5;\r\n\r\n // get view z for sample projected to the objct surface\r\n float sampleDepth = CalcViewZ(SampleScrPos.xy);\r\n // calc occlusion made by object surface at the sample\r\n AO += step(samplePos.z, sampleDepth);\r\n }\r\n // add fog to the AO value\r\n AO *= 1.0 - smoothstep(fogNearFar.x, fogNearFar.y, - viewPos.z);\r\n // calc result AO-map color\r\n AO = 1.0 - max(0.0, AO / float(MAX_SAMPLES_COUNT) * factor);\r\n // write value to AO-map\r\n gl_FragColor = vec4(AO, AO, AO, 1.0);\r\n}\r\n"; + var fragmentShader$3 = "precision highp float;\r\n#define EPSILON 0.0000001\r\n\r\n#define MAX_SAMPLES_COUNT 32\r\nuniform vec3 samplesKernel[MAX_SAMPLES_COUNT];\r\nuniform sampler2D noiseTexture;\r\nuniform vec2 noiseTexelSize;\r\nuniform sampler2D diffuseTexture;\r\nuniform sampler2D depthTexture;\r\nuniform sampler2D normalTexture;\r\nuniform vec2 srcTexelSize;\r\nuniform vec2 camNearFar;\r\nuniform mat4 projMatrix;\r\n\r\nuniform float aspectRatio;\r\nuniform float tanHalfFOV;\r\n\r\nuniform float kernelRadius;\r\nuniform float depthThreshold;\r\nuniform float factor;\r\n\r\nvarying vec2 vUv;\r\n\r\nfloat CalcViewZ(vec2 screenPos)\r\n{\r\n float depth = texture2D(depthTexture, screenPos).x;\r\n // [0, 1]->[-1, 1]\r\n float clipedZ = 2.0 * depth - 1.0;\r\n // see THREE.js camera.makeFrustum for projection details\r\n return (-projMatrix[3][2] / (clipedZ + projMatrix[2][2]));\r\n}\r\n\r\nvec3 ViewPosFromDepth(vec2 screenPos)\r\n{\r\n vec3 viewPos;\r\n viewPos.z = CalcViewZ(screenPos);\r\n //[0, 1]->[-1, 1]\r\n vec2 projPos = 2.0 * screenPos - 1.0;\r\n // reconstruct viewposition in right-handed sc with z to viewer\r\n viewPos.xy = vec2(\r\n projPos.x * aspectRatio * tanHalfFOV * abs(viewPos.z),\r\n projPos.y * tanHalfFOV * abs(viewPos.z)\r\n );\r\n return viewPos;\r\n}\r\n\r\nvoid main() {\r\n vec3 viewPos = ViewPosFromDepth(vUv);\r\n // remap coordinates to prevent noise exture rescale\r\n vec2 vUvNoise = vUv / srcTexelSize * noiseTexelSize;\r\n vec4 normalData = texture2D(normalTexture, vUv);\r\n // return for background fragments (their normals are zero vectors)\r\n if (length(normalData.rgb) < EPSILON) {\r\n // 0.0 in alpha component means that it is background fragment\r\n gl_FragColor = vec4(0.0, 0.0, 0.0, 0.0);\r\n return;\r\n }\r\n //[0, 1] -> [-1, 1]\r\n vec3 normal = (normalData.rgb * 2.0 - 1.0);\r\n // normalData.a store 1.0 if normal was build for frontfaced surface\r\n // and 0.0 in other case\r\n if (normalData.a < EPSILON) {\r\n normal *= -1.0;\r\n }\r\n // get random vector for sampling sphere rotation\r\n vec3 randN = texture2D(noiseTexture, vUvNoise).rgb * 2.0 - 1.0;\r\n randN = normalize(randN);\r\n // build TBN (randomly rotated around normal)\r\n vec3 tangent = normalize(randN - normal * dot(randN, normal));\r\n vec3 bitangent = cross(tangent, normal);\r\n mat3 TBN = mat3(tangent, bitangent, normal);\r\n // calc AO value\r\n float AO = 0.0;\r\n for (int i = 0 ; i < MAX_SAMPLES_COUNT ; i++) {\r\n // rotate sampling kernel around normal\r\n vec3 reflectedSample = TBN * samplesKernel[i];\r\n // get sample\r\n vec3 samplePos = viewPos + reflectedSample * kernelRadius;\r\n\r\n // project sample to screen to get sample's screen pos\r\n vec4 SampleScrPos = vec4(samplePos, 1.0);\r\n // eye -> clip\r\n SampleScrPos = projMatrix * SampleScrPos;\r\n // normalize\r\n SampleScrPos.xy /= SampleScrPos.w;\r\n //[-1, 1] -> [0, 1]\r\n SampleScrPos.xy = (SampleScrPos.xy + vec2(1.0)) * 0.5;\r\n\r\n // get view z for sample projected to the objct surface\r\n float sampleDepth = CalcViewZ(SampleScrPos.xy);\r\n // calc occlusion made by object surface at the sample\r\n AO += step(samplePos.z, sampleDepth);\r\n }\r\n // calc result AO-map color\r\n AO = 1.0 - max(0.0, AO / float(MAX_SAMPLES_COUNT) * factor);\r\n // write value to AO-map\r\n gl_FragColor = vec4(AO, AO, AO, 1.0);\r\n}\r\n"; - var fragmentHorBilateralBlur5Shader = "precision highp float;\r\n\r\n#define MAX_SAMPLES_COUNT 5\r\nuniform float samplesOffsets[MAX_SAMPLES_COUNT];\r\nuniform sampler2D aoMap;\r\nuniform sampler2D depthTexture;\r\nuniform vec2 srcTexelSize;\r\n\r\nvarying vec2 vUv;\r\n\r\nvoid main() {\r\n float x = vUv.x;\r\n float y = vUv.y;\r\n vec4 res = vec4(0.0);\r\n float pixelDepth = texture2D(depthTexture, vec2(x, y)).x;\r\n float weightSum = 0.0;\r\n for (int i = 0; i < MAX_SAMPLES_COUNT; ++i) {\r\n vec2 samplePos = vec2(x + samplesOffsets[i] * srcTexelSize.x, y);\r\n float depth = texture2D(depthTexture, samplePos).x;\r\n float weight = (1.0 / (0.0001 + abs(depth - pixelDepth)));\r\n res += texture2D(aoMap, vec2(x + samplesOffsets[i] * srcTexelSize.x, y )) * weight;\r\n weightSum += weight;\r\n }\r\n gl_FragColor = res / weightSum;\r\n}\r\n"; - - var fragmentVertBilateralBlur5Shader = "precision highp float;\r\n\r\n#define MAX_SAMPLES_COUNT 5\r\nuniform float samplesOffsets[MAX_SAMPLES_COUNT];\r\nuniform sampler2D diffuseTexture;\r\nuniform sampler2D aoMap;\r\nuniform sampler2D depthTexture;\r\nuniform vec2 srcTexelSize;\r\n\r\nvarying vec2 vUv;\r\n\r\nvoid main() {\r\n float x = vUv.x;\r\n float y = vUv.y;\r\n vec4 res = vec4(0.0);\r\n float pixelDepth = texture2D(depthTexture, vec2(x, y)).x;\r\n float weightSum = 0.0;\r\n for (int i = 0; i < MAX_SAMPLES_COUNT; ++i) {\r\n vec2 samplePos = vec2(x, y + samplesOffsets[i] * srcTexelSize.y);\r\n float depth = texture2D(depthTexture, samplePos).x;\r\n float weight = (1.0 / (0.0001 + abs(depth - pixelDepth)));\r\n res += texture2D(aoMap, vec2(x, y + samplesOffsets[i] * srcTexelSize.y)) * weight;\r\n weightSum += weight;\r\n }\r\n res /= weightSum;\r\n vec4 color = texture2D(diffuseTexture, vec2(x, y));\r\n gl_FragColor = vec4(color.rgb * res.rgb, color.a);\r\n}"; - - /* eslint-disable no-magic-numbers */ var _samplesKernel$1 = [// hemisphere samples adopted to sphere new Vector3(0.295184, 0.077723, 0.068429), new Vector3(-0.271976, -0.365221, 0.838363), new Vector3(0.547713, 0.467576, 0.488515), new Vector3(0.662808, -0.031733, 0.584758), new Vector3(-0.025717, 0.218955, 0.657094), new Vector3(-0.310153, -0.365223, 0.370701), new Vector3(-0.101407, -0.006313, 0.747665), new Vector3(-0.769138, 0.360399, 0.086847), new Vector3(-0.271988, -0.275140, 0.905353), new Vector3(0.096740, -0.566901, 0.700151), new Vector3(0.562872, -0.735136, 0.094647), new Vector3(0.379877, 0.359278, 0.190061), new Vector3(0.519064, -0.023055, 0.405068), new Vector3(-0.301036, 0.114696, 0.088885), new Vector3(-0.282922, 0.598305, 0.487214), new Vector3(-0.181859, 0.251670, 0.679702), new Vector3(-0.191463, -0.635818, 0.512919), new Vector3(-0.293655, 0.427423, 0.078921), new Vector3(-0.267983, 0.680534, 0.132880), new Vector3(0.139611, 0.319637, 0.477439), new Vector3(-0.352086, 0.311040, 0.653913), new Vector3(0.321032, 0.805279, 0.487345), new Vector3(0.073516, 0.820734, 0.414183), new Vector3(-0.155324, 0.589983, 0.411460), new Vector3(0.335976, 0.170782, 0.527627), new Vector3(0.463460, -0.355658, 0.167689), new Vector3(0.222654, 0.596550, 0.769406), new Vector3(0.922138, -0.042070, 0.147555), new Vector3(-0.727050, -0.329192, 0.369826), new Vector3(-0.090731, 0.533820, 0.463767), new Vector3(-0.323457, -0.876559, 0.238524), new Vector3(-0.663277, -0.372384, 0.342856)]; - var _kernelOffsets = [-2.0, -1.0, 0.0, 1.0, 2.0]; - function AOMaterial() { - var settings = { - uniforms: { - noiseTexture: { - type: 't', - value: null - }, - noiseTexelSize: { - type: 'v2', - value: new Vector2(1.0 / 512.0, 1.0 / 512.0) - }, - diffuseTexture: { - type: 't', - value: null - }, - normalTexture: { - type: 't', - value: null - }, - depthTexture: { - type: 't', - value: null - }, - srcTexelSize: { - type: 'v2', - value: new Vector2(1.0 / 512.0, 1.0 / 512.0) - }, - camNearFar: { - type: 'v2', - value: new Vector2(1.0, 10.0) - }, - projMatrix: { - type: 'mat4', - value: new Matrix4() - }, - aspectRatio: { - type: 'f', - value: 0.0 - }, - tanHalfFOV: { - type: 'f', - value: 0.0 - }, - samplesKernel: { - type: 'v3v', - value: _samplesKernel$1 - }, - kernelRadius: { - type: 'f', - value: 1.0 - }, - depthThreshold: { - type: 'f', - value: 1.0 + var AOMaterial = + /*#__PURE__*/ + function (_THREE$RawShaderMater) { + inherits(AOMaterial, _THREE$RawShaderMater); + + function AOMaterial() { + var _this; + + classCallCheck(this, AOMaterial); + + _this = possibleConstructorReturn(this, getPrototypeOf(AOMaterial).call(this)); // set default values + + _this.setValues.call(assertThisInitialized(_this), { + uniforms: { + noiseTexture: { + type: 't', + value: noise.noiseTexture + }, + noiseTexelSize: { + type: 'v2', + value: new Vector2(1.0 / noise.noiseWidth, 1.0 / noise.noiseHeight) + }, + diffuseTexture: { + type: 't', + value: null + }, + normalTexture: { + type: 't', + value: null + }, + depthTexture: { + type: 't', + value: null + }, + srcTexelSize: { + type: 'v2', + value: new Vector2(1.0 / 512.0, 1.0 / 512.0) + }, + camNearFar: { + type: 'v2', + value: new Vector2(1.0, 10.0) + }, + projMatrix: { + type: 'mat4', + value: new Matrix4() + }, + aspectRatio: { + type: 'f', + value: 0.0 + }, + tanHalfFOV: { + type: 'f', + value: 0.0 + }, + samplesKernel: { + type: 'v3v', + value: _samplesKernel$1 + }, + kernelRadius: { + type: 'f', + value: 1.0 + }, + depthThreshold: { + type: 'f', + value: 1.0 + }, + factor: { + type: 'f', + value: 1.0 + } }, - factor: { - type: 'f', - value: 1.0 + vertexShader: vertexScreenQuadShader, + fragmentShader: fragmentShader$3, + transparent: false, + depthTest: false, + depthWrite: false + }); + + return _this; + } + + return AOMaterial; + }(RawShaderMaterial); + + var fragmentShader$4 = "precision highp float;\r\n#define EPSILON 0.0000001\r\n\r\n#define MAX_SAMPLES_COUNT 5\r\nuniform float samplesOffsets[MAX_SAMPLES_COUNT];\r\nuniform sampler2D aoMap;\r\nuniform sampler2D depthTexture;\r\nuniform vec2 srcTexelSize;\r\n\r\nvarying vec2 vUv;\r\n\r\nvoid main() {\r\n float x = vUv.x;\r\n float y = vUv.y;\r\n vec4 res = vec4(0.0);\r\n res.a = texture2D(aoMap, vec2(x, y )).a;\r\n // return for background fragments (0.0 in alpha component means that it is background fragment)\r\n if (res.a < EPSILON) {\r\n gl_FragColor = res;\r\n return;\r\n }\r\n\r\n float pixelDepth = texture2D(depthTexture, vec2(x, y)).x;\r\n float weightSum = 0.0;\r\n for (int i = 0; i < MAX_SAMPLES_COUNT; ++i) {\r\n if (texture2D(aoMap, vec2(x + samplesOffsets[i] * srcTexelSize.x, y )).a < EPSILON) {\r\n continue;\r\n }\r\n vec2 samplePos = vec2(x + samplesOffsets[i] * srcTexelSize.x, y);\r\n float depth = texture2D(depthTexture, samplePos).x;\r\n float weight = (1.0 / (0.0001 + abs(depth - pixelDepth)));\r\n res.rgb += texture2D(aoMap, vec2(x + samplesOffsets[i] * srcTexelSize.x, y )).rgb * weight;\r\n weightSum += weight;\r\n }\r\n res.rgb = res.rgb / weightSum;\r\n gl_FragColor = res;\r\n}\r\n"; + + var _kernelOffsets = [-2.0, -1.0, 0.0, 1.0, 2.0]; + + var AOHorBlurMaterial = + /*#__PURE__*/ + function (_THREE$RawShaderMater) { + inherits(AOHorBlurMaterial, _THREE$RawShaderMater); + + function AOHorBlurMaterial() { + var _this; + + classCallCheck(this, AOHorBlurMaterial); + + _this = possibleConstructorReturn(this, getPrototypeOf(AOHorBlurMaterial).call(this)); // set default values + + _this.setValues.call(assertThisInitialized(_this), { + uniforms: { + depthTexture: { + type: 't', + value: null + }, + srcTexelSize: { + type: 'v2', + value: new Vector2(1.0 / 512.0, 1.0 / 512.0) + }, + aoMap: { + type: 't', + value: null + }, + samplesOffsets: { + type: 'fv1', + value: _kernelOffsets + } }, - fogNearFar: { - type: 'v2', - value: new Vector2(100.0, 100.0) - } - }, - vertexShader: vertexScreenQuadShader, - fragmentShader: fragmentSSAOShader, - transparent: false, - depthTest: false, - depthWrite: false - }; - return new RawShaderMaterial(settings); - } + vertexShader: vertexScreenQuadShader, + fragmentShader: fragmentShader$4, + transparent: false, + depthTest: false, + depthWrite: false + }); - var blurUniforms5 = { - diffuseTexture: { - type: 't', - value: null - }, - depthTexture: { - type: 't', - value: null - }, - srcTexelSize: { - type: 'v2', - value: new Vector2(1.0 / 512.0, 1.0 / 512.0) - }, - aoMap: { - type: 't', - value: null - }, - samplesOffsets: { - type: 'fv1', - value: _kernelOffsets - }, - camNearFar: { - type: 'v2', - value: new Vector2(1.0, 10.0) - }, - projMatrix: { - type: 'mat4', - value: new Matrix4() - }, - aspectRatio: { - type: 'f', - value: 0.0 - }, - tanHalfFOV: { - type: 'f', - value: 0.0 + return _this; } - }; - function overrideUniforms$1(params, defUniforms) { - var uniforms = UniformsUtils.clone(defUniforms); + return AOHorBlurMaterial; + }(RawShaderMaterial); - for (var p in params) { - if (uniforms.hasOwnProperty(p)) { - uniforms[p].value = params[p]; - } + var fragmentShader$5 = "precision highp float;\r\n#define EPSILON 0.0000001\r\n\r\n#define MAX_SAMPLES_COUNT 5\r\nuniform float samplesOffsets[MAX_SAMPLES_COUNT];\r\nuniform sampler2D diffuseTexture;\r\nuniform sampler2D aoMap;\r\nuniform sampler2D depthTexture;\r\nuniform vec2 srcTexelSize;\r\n\r\nuniform mat4 projMatrix;\r\nuniform float aspectRatio;\r\nuniform float tanHalfFOV;\r\n\r\n#ifdef USE_FOG\r\n uniform vec2 fogNearFar;\r\n uniform vec4 fogColor;\r\n#endif\r\nvarying vec2 vUv;\r\n\r\nfloat CalcViewZ(vec2 screenPos)\r\n{\r\n float depth = texture2D(depthTexture, screenPos).x;\r\n // [0, 1]->[-1, 1]\r\n float clipedZ = 2.0 * depth - 1.0;\r\n // see THREE.js camera.makeFrustum for projection details\r\n return (-projMatrix[3][2] / (clipedZ + projMatrix[2][2]));\r\n}\r\n\r\nvec3 ViewPosFromDepth(vec2 screenPos)\r\n{\r\n vec3 viewPos;\r\n viewPos.z = CalcViewZ(screenPos);\r\n //[0, 1]->[-1, 1]\r\n vec2 projPos = 2.0 * screenPos - 1.0;\r\n // reconstruct viewposition in right-handed sc with z to viewer\r\n viewPos.xy = vec2(\r\n projPos.x * aspectRatio * tanHalfFOV * abs(viewPos.z),\r\n projPos.y * tanHalfFOV * abs(viewPos.z)\r\n );\r\n return viewPos;\r\n}\r\n\r\nvoid main() {\r\n vec3 viewPos = ViewPosFromDepth(vUv);\r\n float x = vUv.x;\r\n float y = vUv.y;\r\n vec4 color = texture2D(diffuseTexture, vec2(x, y));\r\n vec4 res = vec4(0.0);\r\n res.a = texture2D(aoMap, vec2(x, y )).a;\r\n // return for background fragments (0.0 in alpha component means that it is background fragment)\r\n if (res.a < EPSILON) {\r\n gl_FragColor = color;\r\n return;\r\n }\r\n\r\n float pixelDepth = texture2D(depthTexture, vec2(x, y)).x;\r\n float weightSum = 0.0;\r\n for (int i = 0; i < MAX_SAMPLES_COUNT; ++i) {\r\n if (texture2D(aoMap, vec2(x, y + samplesOffsets[i] * srcTexelSize.y)).a < EPSILON) {\r\n continue;\r\n }\r\n vec2 samplePos = vec2(x, y + samplesOffsets[i] * srcTexelSize.y);\r\n float depth = texture2D(depthTexture, samplePos).x;\r\n float weight = (1.0 / (0.0001 + abs(depth - pixelDepth)));\r\n res.rgb += texture2D(aoMap, vec2(x, y + samplesOffsets[i] * srcTexelSize.y)).rgb * weight;\r\n weightSum += weight;\r\n }\r\n res.rgb /= weightSum;\r\n\r\n #if defined(USE_FOG) && !defined(FOG_TRANSPARENT)\r\n // Add fog to the result value\r\n // Proper way to get an image with fog and ao requires formula:\r\n // gl_FragColor = fragColor*AO*(1-fogFactor) + fogColor*fogFactor\r\n // But we have already fogged molecule to add AO too. Let's split the straight formula into our real steps!\r\n // We have: AO, fogFactor, fogColor,\r\n // color = fragColor*(1-fogFactor) + fogColor*fogFactor (it comes from diffuseTexture,\r\n // where molecule has been already drawn with fog)\r\n // Transform:\r\n // fragColor*AO*(1-fogFactor) + fogColor*fogFactor =\r\n // = [fragColor*(1-fogFactor) = color - fogColor*fogFactor] =\r\n // = (color - fogColor*fogFactor)*AO + fogColor*fogFactor =\r\n // = color*AO + fogColor*fogFactor*(1 - AO)\r\n // Result: gl_FragColor = color*AO + fogColor*fogFactor*(1 - AO)\r\n float fogFactor = smoothstep(fogNearFar.x, fogNearFar.y, - viewPos.z) * fogColor.a;\r\n gl_FragColor.rgb = color.rgb * res.rgb + fogColor.rgb * fogFactor *(vec3(1.0, 1.0, 1.0) - res.rgb);\r\n #else\r\n gl_FragColor.rgb = color.rgb * res.rgb;\r\n #endif\r\n gl_FragColor.a = color.a;\r\n}\r\n"; + + var _kernelOffsets$1 = [-2.0, -1.0, 0.0, 1.0, 2.0]; + + var AOVertBlurWithBlendMaterial = + /*#__PURE__*/ + function (_THREE$RawShaderMater) { + inherits(AOVertBlurWithBlendMaterial, _THREE$RawShaderMater); + + function AOVertBlurWithBlendMaterial(params) { + var _this; + + classCallCheck(this, AOVertBlurWithBlendMaterial); + + _this = possibleConstructorReturn(this, getPrototypeOf(AOVertBlurWithBlendMaterial).call(this, params)); // set default values + + _this.setValues.call(assertThisInitialized(_this), { + uniforms: { + diffuseTexture: { + type: 't', + value: null + }, + depthTexture: { + type: 't', + value: null + }, + srcTexelSize: { + type: 'v2', + value: new Vector2(1.0 / 512.0, 1.0 / 512.0) + }, + aoMap: { + type: 't', + value: null + }, + samplesOffsets: { + type: 'fv1', + value: _kernelOffsets$1 + }, + projMatrix: { + type: 'mat4', + value: new Matrix4() + }, + aspectRatio: { + type: 'f', + value: 0.0 + }, + tanHalfFOV: { + type: 'f', + value: 0.0 + }, + fogNearFar: { + type: 'v2', + value: new Vector2(100.0, 100.0) + }, + fogColor: { + type: 'v4', + value: new Vector4(0.0, 0.5, 0.0, 1.0) + } + }, + vertexShader: vertexScreenQuadShader, + fragmentShader: fragmentShader$5, + transparent: false, + depthTest: false, + depthWrite: false + }); + + _this.setValues(params); + + return _this; } - return uniforms; - } + createClass(AOVertBlurWithBlendMaterial, [{ + key: "setValues", + value: function setValues(values) { + if (typeof values === 'undefined') { + return; + } // set direct values - function HorBilateralBlurMaterial5(params) { - var settings = { - uniforms: overrideUniforms$1(params, blurUniforms5), - vertexShader: vertexScreenQuadShader, - fragmentShader: fragmentHorBilateralBlur5Shader, - transparent: false, - depthTest: false, - depthWrite: false - }; - return new RawShaderMaterial(settings); - } - function VertBilateralBlurMaterial5(params) { - var settings = { - uniforms: overrideUniforms$1(params, blurUniforms5), - vertexShader: vertexScreenQuadShader, - fragmentShader: fragmentVertBilateralBlur5Shader, - transparent: false, - depthTest: false, - depthWrite: false - }; - return new RawShaderMaterial(settings); - } + get(getPrototypeOf(AOVertBlurWithBlendMaterial.prototype), "setValues", this).call(this, values); - var ao = { - AOMaterial: AOMaterial, - HorBilateralBlurMaterial: HorBilateralBlurMaterial5, - VertBilateralBlurMaterial: VertBilateralBlurMaterial5 - }; + var defines = {}; + + if (this.useFog) { + defines.USE_FOG = 1; + } + + if (this.fogTransparent) { + defines.FOG_TRANSPARENT = 1; + } // set dependent values - var fragmentShader$3 = "precision highp float;\r\n\r\nuniform sampler2D srcL;\r\nuniform sampler2D srcR;\r\nvarying vec2 vUv;\r\n\r\nvoid main() {\r\n vec4 l = texture2D(srcL, vUv);\r\n vec4 r = texture2D(srcR, vUv);\r\n gl_FragColor = vec4(l.r, r.g, r.b, 1.0);\r\n}\r\n"; + + this.defines = defines; + } + }]); + + return AOVertBlurWithBlendMaterial; + }(RawShaderMaterial); + + AOVertBlurWithBlendMaterial.prototype.useFog = true; + AOVertBlurWithBlendMaterial.prototype.fogTransparent = false; + + var fragmentShader$6 = "precision highp float;\r\n\r\nuniform sampler2D srcL;\r\nuniform sampler2D srcR;\r\nvarying vec2 vUv;\r\n\r\nvoid main() {\r\n vec4 l = texture2D(srcL, vUv);\r\n vec4 r = texture2D(srcR, vUv);\r\n gl_FragColor = vec4(l.r, r.g, r.b, 1.0);\r\n}\r\n"; var AnaglyphMaterial = /*#__PURE__*/ @@ -99259,7 +55705,7 @@ } }, vertexShader: vertexScreenQuadShader, - fragmentShader: fragmentShader$3, + fragmentShader: fragmentShader$6, transparent: false, depthTest: false, depthWrite: false @@ -99396,294 +55842,6 @@ var viewInterpolator = new ViewInterpolator(); - var prec = settings.now.fbxprec; - var heading = "; FBX 6.1.0 project file\n; Copyright (C) 1997-2007 Autodesk Inc. and/or its licensors.\n; All rights reserved.\n; ----------------------------------------------------\n\nFBXHeaderExtension: {\n FBXHeaderVersion: 1003\n FBXVersion: 6100\n CreationTimeStamp: {\n Version: 1000\n Year: 2015\n Month: 12\n Day: 7\n Hour: 17\n Minute: 34\n Second: 53\n Millisecond: 369\n }\n Creator: \"FBX SDK/FBX Plugins build 20080212\"\n OtherFlags: {\n FlagPLE: 0\n }\n}\nCreationTime: \"2015-12-07 17:34:53:369\"\nCreator: \"FBX SDK/FBX Plugins build 20080212\"\n\n; Document Description\n;------------------------------------------------------------------\n\nDocument: {\n Name: \"\"\n}\n\n; 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- - function _errorHandler(e) { - var msg; - - switch (e.code) { - case FileError.QUOTA_EXCEEDED_ERR: - msg = 'QUOTA_EXCEEDED_ERR'; - break; - - case FileError.NOT_FOUND_ERR: - msg = 'NOT_FOUND_ERR'; - break; - - case FileError.SECURITY_ERR: - msg = 'SECURITY_ERR'; - break; - - case FileError.INVALID_MODIFICATION_ERR: - msg = 'INVALID_MODIFICATION_ERR'; - break; - - case FileError.INVALID_STATE_ERR: - msg = 'INVALID_STATE_ERR'; - break; - - default: - msg = 'Unknown Error'; - break; - } - - throw new Error(msg); - } - - var fileSystem = null; - - function _writeToFile(filename, data, isBinary, append, callback) { - fileSystem.root.getFile(filename, { - create: !append - }, function (fileEntry) { - // Create a FileWriter object for our FileEntry (log.txt). - fileEntry.createWriter(function (fileWriter) { - // Create a new Blob and write it to log.txt. - var blob = new Blob([data], { - type: isBinary ? 'octet/stream' : 'text/plain' - }); - - if (append) { - fileWriter.onwriteend = function () { - callback(); - }; - - fileWriter.seek(fileWriter.length); // Start write position at EOF. - - fileWriter.write(blob); - } else { - fileWriter.onwriteend = function () { - if (fileWriter.length === 0 && data.length > 0) { - // fileWriter has been reset, write file - fileWriter.write(blob); - } else { - // file has been overwritten with blob - // use callback or resolve promise - callback(); - } - }; - - fileWriter.truncate(0); - } - }, _errorHandler); - }, _errorHandler); - } - - var Queue = - /*#__PURE__*/ - function () { - function Queue() { - classCallCheck(this, Queue); - - this.queue = []; - this.busy = false; - } - - createClass(Queue, [{ - key: "add", - value: function add(filename, data, isBinary, append) { - this.queue.push([filename, data, isBinary, append]); - - if (!this.busy) { - this.next(); - } - } - }, { - key: "next", - value: function next() { - var params = this.queue.shift(); - var self = this; - - if (params && !self.busy) { - this.busy = true; - - _writeToFile(params[0], params[1], params[2], params[3], function () { - self.busy = false; - self.next(); - }); - } - } - }]); - - return Queue; - }(); - - function _stringifyArray(arr) { - var str = []; - - for (var i = 0, n = arr.length; i < n; ++i) { - str[i] = arr[i].toFixed(prec); - } - - str = str.join(','); - return str; - } - - function _wrapValuesVector(queue, fname, layerName, vectorName, vectorData, layerData) { - queue.add(fname, "".concat(layerName, ": 0 {\n Version: 101\n Name: \"\"\n MappingInformationType: \"ByVertice\"\n ReferenceInformationType: \"Direct\"\n ").concat(vectorName, ": ").concat(vectorData, "\n}\n"), false, true); - return "".concat(layerData, "LayerElement: {\n Type: \"").concat(layerName, "\"\n TypedIndex: 0\n}\n"); - } - - function _exportData(queue, indices, positions, normals, colors, uvs) { - var fname = 'totals.txt'; - queue.add(fname, heading, false, false); - queue.add(fname, 'Vertices: ', false, true); - queue.add(fname, _stringifyArray(positions), false, true); - queue.add(fname, '\nPolygonVertexIndex: ', false, true); - queue.add(fname, _stringifyArray(indices), false, true); - queue.add(fname, '\nGeometryVersion: 124\n', false, true); - var layersData = 'Layer: 0 {\nVersion: 100\n'; - - if (normals !== null) { - layersData = _wrapValuesVector(queue, fname, 'LayerElementNormal', 'Normals', _stringifyArray(normals), layersData); - } - - if (colors !== null) { - layersData = _wrapValuesVector(queue, fname, 'LayerElementColor', 'Colors', _stringifyArray(colors), layersData); - } - - if (uvs !== null) { - layersData = _wrapValuesVector(queue, fname, 'LayerElementUV', 'UV', _stringifyArray(uvs), layersData); - } - - layersData += '}\n'; - queue.add(fname, layersData, false, true); - queue.add(fname, ending, false, true); - } - - function _concatArrays(arr1, arr2) { - var arr = utils.allocateTyped(Float32Array, arr1.length + arr2.length); - arr.set(arr1); - arr.set(arr2, arr1.length); - return arr; - } - - function _concatIndices(arr1, arr2, startIndex) { - var len1 = arr1.length; - var lenTotal = len1 + arr2.length; - var arr = utils.allocateTyped(Int32Array, lenTotal); - arr.set(arr1); - arr.set(arr2, len1); - - for (var i = len1; i < lenTotal; ++i) { - arr[i] += startIndex; - } - - return arr; - } - - function _appendGeometry(structure, geom) { - var idc = utils.allocateTyped(Int32Array, geom.index.array); - - if (structure.indices === null) { - structure.indices = idc; - structure.positions = utils.allocateTyped(Float32Array, geom.attributes.position.array); - structure.normals = utils.allocateTyped(Float32Array, geom.attributes.normal.array); - structure.colors = utils.allocateTyped(Float32Array, geom.attributes.color.array); - return; - } - - structure.indices = _concatIndices(structure.indices, idc, structure.positions.length / 3); - structure.positions = _concatArrays(structure.positions, geom.attributes.position.array); - structure.normals = _concatArrays(structure.normals, geom.attributes.normal.array); - structure.colors = _concatArrays(structure.colors, geom.attributes.color.array); - } - - function _prepareIndexArray(arr) { - for (var i = 0, n = arr.length; i < n; ++i) { - if (i % 3 === 2) { - arr[i] = ~arr[i]; - } - } - } - - function _prepareColorArray(arr) { - var newLen = arr.length / 3 * 4; - var newArr = utils.allocateTyped(Float32Array, newLen); - var newIdx = 0; - - for (var i = 0, n = arr.length / 3; i < n; ++i) { - newArr[newIdx++] = arr[i * 3]; - newArr[newIdx++] = arr[i * 3 + 1]; - newArr[newIdx++] = arr[i * 3 + 2]; - newArr[newIdx++] = 1.0; - } - - return newArr; - } - - function _dumpStructure(queue, structure) { - _prepareIndexArray(structure.indices); - - structure.colors = _prepareColorArray(structure.colors); - - _exportData(queue, structure.indices, structure.positions, structure.normals, structure.colors, null); - } - - function exportModel(queue, complex, reprList) { - var structure = { - indices: null - }; - - function addGeoms(object) { - if (object instanceof Mesh) { - _appendGeometry(structure, object.geometry); - } - - for (var i = 0, l = object.children.length; i < l; i++) { - addGeoms(object.children[i]); - } - } - - for (var i = 0, n = reprList.length; i < n; ++i) { - var repr = reprList[i]; - var objects = repr.buildGeometry(complex); - addGeoms(objects); - } - - _dumpStructure(queue, structure); - } - - function exportAtoms(queue, complex, atomsFileName, mode, colorer) { - queue.add(atomsFileName, '', false, false); - complex.forEachAtom(function (atom) { - var pos = atom.getPosition(); - var col = new Color(colorer.getAtomColor(atom, complex)); - var string = "ATOM ".concat(atom._index, " ").concat(pos.x, " ").concat(pos.y, " ").concat(pos.z, " ").concat(mode.calcAtomRadius(atom), " ").concat(col.r, " ").concat(col.g, " ").concat(col.b, "\n"); - queue.add(atomsFileName, string, false, true); - }); - } - - function exportBonds(queue, complex, bondsFileName) { - queue.add(bondsFileName, '', false, false); - complex.forEachBond(function (bond) { - var string = "BIND ".concat(bond._left._index, " ").concat(bond._right._index, "\n"); - queue.add(bondsFileName, string, false, true); - }); - queue.add(bondsFileName, 'TED', false, true); - } - - function fbxExport(complex, reprList, fullReport) { - prec = settings.now.fbxprec; - window.requestFileSystem = window.requestFileSystem || window.webkitRequestFileSystem; - - function onInitFS(fs) { - var queue = new Queue(); - fileSystem = fs; - - if (fullReport) { - exportAtoms(queue, complex, 'atoms.txt', reprList); - exportBonds(queue, complex, 'bonds.txt'); - } - - exportModel(queue, complex, reprList); - } - - window.requestFileSystem(window.TEMPORARY, 1024 * 1024 * 1024, onInitFS, _errorHandler); - } - var MAX_COOKIE_LEN = 4000; var COUNT_SUFFIX = 'Cnt'; @@ -100322,7 +56480,7 @@ Atom$2 = chem.Atom, Residue$1 = chem.Residue, Chain$2 = chem.Chain, - Molecule$7 = chem.Molecule; + Molecule$8 = chem.Molecule; var EDIT_MODE = { COMPLEX: 0, COMPONENT: 1, @@ -101460,8 +57618,6 @@ _anaglyphMat.uniforms.srcR.value = gfx.stereoBufR.texture; gfx.renderer.renderScreenQuad(_anaglyphMat); break; - - default: } gfx.renderer2d.render(gfx.scene, gfx.camera); @@ -101554,8 +57710,13 @@ if (gfx.renderer.vr.enabled) { gfx.renderer.render(gfx.scene, camera); return; - } + } // clean buffer for normals texture + + gfx.renderer.setClearColor(0x000000, 0.0); + gfx.renderer.setRenderTarget(gfx.offscreenBuf4); + gfx.renderer.clearColor(); + gfx.renderer.setClearColor(settings.now.bg.color, Number(!settings.now.bg.transparent)); gfx.renderer.setRenderTarget(gfx.offscreenBuf); gfx.renderer.clear(); var bHaveComplexes = this._getComplexVisual() !== null; @@ -101806,7 +57967,7 @@ } var mesh = volumeVisual.getMesh(); - mesh.rebuild(camera); // use main camera to prepare special textures to be used by volumetric rendering + mesh.rebuild(gfx.camera); // use main camera to prepare special textures to be used by volumetric rendering // these textures have the size of the window and are stored in offscreen buffers gfx.renderer.setClearColor('black', 0); @@ -101912,15 +58073,11 @@ }(); Miew.prototype._performAO = function () { - var _aoMaterial = new ao.AOMaterial(); - - var _horBlurMaterial = new ao.HorBilateralBlurMaterial(); - - var _vertBlurMaterial = new ao.VertBilateralBlurMaterial(); + var _aoMaterial = new AOMaterial(); - var _translation = new Vector3(); + var _horBlurMaterial = new AOHorBlurMaterial(); - var _quaternion = new Quaternion(); + var _vertBlurMaterial = new AOVertBlurWithBlendMaterial(); var _scale = new Vector3(); @@ -101929,9 +58086,8 @@ return; } - var self = this; - var gfx = self._gfx; // do fxaa processing of offscreen buff2 - + var gfx = this._gfx; + var tanHalfFOV = Math.tan(_Math.DEG2RAD * 0.5 * gfx.camera.fov); _aoMaterial.uniforms.diffuseTexture.value = srcColorBuffer.texture; _aoMaterial.uniforms.depthTexture.value = srcDepthTexture; _aoMaterial.uniforms.normalTexture.value = normalBuffer.texture; @@ -101942,22 +58098,12 @@ _aoMaterial.uniforms.projMatrix.value = gfx.camera.projectionMatrix; _aoMaterial.uniforms.aspectRatio.value = gfx.camera.aspect; - _aoMaterial.uniforms.tanHalfFOV.value = Math.tan(_Math.DEG2RAD * 0.5 * gfx.camera.fov); - gfx.root.matrix.decompose(_translation, _quaternion, _scale); + _aoMaterial.uniforms.tanHalfFOV.value = tanHalfFOV; + gfx.root.matrix.extractScale(_scale); _aoMaterial.uniforms.kernelRadius.value = settings.now.debug.ssaoKernelRadius * _scale.x; _aoMaterial.uniforms.depthThreshold.value = 2.0 * this._getBSphereRadius(); // diameter - _aoMaterial.uniforms.factor.value = settings.now.debug.ssaoFactor; - _aoMaterial.uniforms.noiseTexture.value = noise.noiseTexture; - - _aoMaterial.uniforms.noiseTexelSize.value.set(1.0 / noise.noiseWidth, 1.0 / noise.noiseHeight); - - var fog = gfx.scene.fog; - - if (fog) { - _aoMaterial.uniforms.fogNearFar.value.set(fog.near, fog.far); - } // N: should be tempBuffer1 for proper use of buffers (see buffers using outside the function) - + _aoMaterial.uniforms.factor.value = settings.now.debug.ssaoFactor; // N: should be tempBuffer1 for proper use of buffers (see buffers using outside the function) gfx.renderer.setRenderTarget(tempBuffer1); gfx.renderer.renderScreenQuad(_aoMaterial); @@ -101974,6 +58120,26 @@ _vertBlurMaterial.uniforms.srcTexelSize.value.set(1.0 / tempBuffer.width, 1.0 / tempBuffer.height); _vertBlurMaterial.uniforms.depthTexture.value = srcDepthTexture; + _vertBlurMaterial.uniforms.projMatrix.value = gfx.camera.projectionMatrix; + _vertBlurMaterial.uniforms.aspectRatio.value = gfx.camera.aspect; + _vertBlurMaterial.uniforms.tanHalfFOV.value = tanHalfFOV; + var fog = gfx.scene.fog; + + if (fog) { + _vertBlurMaterial.uniforms.fogNearFar.value.set(fog.near, fog.far); + + _vertBlurMaterial.uniforms.fogColor.value.set(fog.color.r, fog.color.g, fog.color.b, settings.now.fogAlpha); + } + + if (_vertBlurMaterial.useFog !== settings.now.fog || _vertBlurMaterial.fogTransparent !== settings.now.bg.transparent) { + _vertBlurMaterial.setValues({ + useFog: settings.now.fog, + fogTransparent: settings.now.bg.transparent + }); + + _vertBlurMaterial.needsUpdate = true; + } + gfx.renderer.setRenderTarget(targetBuffer); gfx.renderer.renderScreenQuad(_vertBlurMaterial); }; @@ -102048,9 +58214,16 @@ } if (this._visuals[this._curVisualName] instanceof ComplexVisual) { - var dataSource = this._visuals[this._curVisualName]._complex; + var dataSource = null; + + if (TheExporter.SourceClass === ComplexVisual) { + dataSource = this._visuals[this._curVisualName]; + } else if (TheExporter.SourceClass === Complex) { + dataSource = this._visuals[this._curVisualName]._complex; + } + var exporter = new TheExporter(dataSource, { - binary: true + miewVersion: Miew.VERSION }); return exporter["export"]().then(function (data) { return data; @@ -103337,9 +59510,6 @@ this._applyFragmentEdit(); break; - - default: - break; } break; @@ -103355,9 +59525,6 @@ this._discardFragmentEdit(); break; - - default: - break; } break; @@ -103396,8 +59563,6 @@ this._needRender = true; break; - - default: } }; @@ -103467,7 +59632,7 @@ secondLine = "".concat(residue._type._fullName, ": ").concat(residue._chain._name, ".").concat(residue._type._name).concat(residue._sequence).concat(residue._icode.trim()); } else if (this._lastPick instanceof Chain$2) { secondLine = "chain ".concat(this._lastPick._name); - } else if (this._lastPick instanceof Molecule$7) { + } else if (this._lastPick instanceof Molecule$8) { secondLine = "molecule ".concat(this._lastPick._name); } @@ -104245,8 +60410,7 @@ }); on('ao', function () { var values = { - normalsToGBuffer: settings.now.ao, - doubleSidedGBuffer: settings.now.ao + normalsToGBuffer: settings.now.ao }; _this8._setUberMaterialValues(values); @@ -104830,7 +60994,7 @@ }); }; - Miew.prototype.VERSION = "0.8.3" ; // Uncomment this to get debug trace: + Miew.prototype.VERSION = "0.8.4" ; // Uncomment this to get debug trace: // Miew.prototype.debugTracer = new utils.DebugTracer(Miew.prototype); lodash.assign(Miew, @@ -104849,8 +61013,7 @@ settings: settings, utils: utils, gfx: { - Representation: Representation, - fbxExport: fbxExport + Representation: Representation }, /** @@ -104960,7 +61123,6 @@ switch (yystate) { case 1: return $$[$0-1]; - break; case 3: this.$ = yy.miew.reset(false); yy.ClearContext(); yy.miew.resetReps("empty"); break; @@ -105665,167 +61827,86 @@ case 0:/* ignore whitespace */ break; case 1:return ''; - break; case 2:return ''; - break; case 3:return 42; - break; case 4:return 35; - break; case 5:return 77; - break; case 6:return 78; - break; case 7:return 78; - break; case 8:return 8; - break; case 9:return 6; - break; case 10:return 82; - break; case 11:return 7; - break; case 12:return 9; - break; case 13:return 59; - break; case 14:return 13 - break; case 15:return 15 - break; case 16:return 17 - break; case 17:return 18 - break; case 18:return 19 - break; case 19:return 20 - break; case 20:return 11 - break; case 21:return 62 - break; case 22:return 64 - break; case 23:return 23 - break; case 24:return 25 - break; case 25:return 26 - break; case 26:return 27 - break; case 27:return 30 - break; case 28:return 34 - break; case 29:return 33 - break; case 30:return 65 - break; case 31:return 66 - break; case 32:return 37 - break; case 33:return 41 - break; case 34:return 43 - break; case 35:return 52 - break; case 36:return 54 - break; case 37:return 55 - break; case 38:return 46 - break; case 39:return 48 - break; case 40:return 45 - break; case 41:return 49 - break; case 42:return 56 - break; case 43:return 58; - break; case 44:return 44 - break; case 45:return 83 - break; case 46:return 84 - break; case 47:return 85 - break; case 48:return 86 - break; case 49:return 87 - break; case 50:return 88 - break; case 51:return 89 - break; case 52:return 90 - break; case 53:return 91 - break; case 54:return 92 - break; case 55:return 93 - break; case 56:return 94 - break; case 57:return 95 - break; case 58:return 70 - break; case 59:return 70 - break; case 60:return 72 - break; case 61:return 72 - break; case 62:return 74 - break; case 63:return 74 - break; case 64:return 74 - break; case 65:return 31 - break; case 66:return 36 - break; case 67:return 96 - break; case 68:return 97 - break; case 69:return 98 - break; case 70:return 99 - break; case 71:yy_.yytext = yy.utils.unquoteString(yy_.yytext); return 14; - break; case 72:return 38; - break; case 73:return 5; - break; case 74:return 101; - break; case 75:return 103; - break; case 76:return '\\'; - break; case 77:return 28 - break; case 78:return 61 - break; case 79:return 29 - break; case 80:return 57 - break; case 81:return 71 - break; } }, rules: [/^(?:\s+)/i,/^(?:[#].*)/i,/^(?:\/\/.*)/i,/^(?:([_A-Z0-9\/\+]+==))/i,/^(?:-?[0-9]+(\.[0-9]+)?\b)/i,/^(?:0[xX][0-9A-F]+\b)/i,/^(?:false\b)/i,/^(?:true\b)/i,/^(?:all\b)/i,/^(?:reset\b)/i,/^(?:clear\b)/i,/^(?:build\b)/i,/^(?:help\b)/i,/^(?:load\b)/i,/^(?:get\b)/i,/^(?:set\b)/i,/^(?:set_save\b)/i,/^(?:set_restore\b)/i,/^(?:set_reset\b)/i,/^(?:preset\b)/i,/^(?:motm\b)/i,/^(?:add\b)/i,/^(?:rep\b)/i,/^(?:remove\b)/i,/^(?:hide\b)/i,/^(?:show\b)/i,/^(?:list\b)/i,/^(?:select\b)/i,/^(?:within\b)/i,/^(?:selector\b)/i,/^(?:mode\b)/i,/^(?:color\b)/i,/^(?:material\b)/i,/^(?:view\b)/i,/^(?:unit\b)/i,/^(?:line\b)/i,/^(?:listobj\b)/i,/^(?:removeobj\b)/i,/^(?:rotate\b)/i,/^(?:translate\b)/i,/^(?:scale\b)/i,/^(?:center\b)/i,/^(?:url\b)/i,/^(?:screenshot\b)/i,/^(?:dssp\b)/i,/^(?:file_list\b)/i,/^(?:file_register\b)/i,/^(?:file_delete\b)/i,/^(?:preset_add\b)/i,/^(?:preset_delete\b)/i,/^(?:preset_update\b)/i,/^(?:preset_rename\b)/i,/^(?:preset_open\b)/i,/^(?:create_scenario\b)/i,/^(?:reset_scenario\b)/i,/^(?:delete_scenario\b)/i,/^(?:add_scenario_item\b)/i,/^(?:list_scenario\b)/i,/^(?:s\b)/i,/^(?:mt\b)/i,/^(?:m\b)/i,/^(?:c\b)/i,/^(?:x\b)/i,/^(?:y\b)/i,/^(?:z\b)/i,/^(?:as\b)/i,/^(?:of\b)/i,/^(?:pdb\b)/i,/^(?:delay\b)/i,/^(?:prst\b)/i,/^(?:desc\b)/i,/^(?:((?:"(?:\\.|[^\\"])*"|'(?:\\.|[^\\'])*')))/i,/^(?:([_A-Z0-9]+))/i,/^(?:$)/i,/^(?:\.)/i,/^(?:\/)/i,/^(?:\\)/i,/^(?:-e\b)/i,/^(?:-f\b)/i,/^(?:-s\b)/i,/^(?:-v\b)/i,/^(?:=)/i], @@ -106501,5 +62582,5 @@ return Miew; -})); +}))); //# sourceMappingURL=Miew.js.map diff --git a/dist/Miew.js.map b/dist/Miew.js.map index e07cc17c..b1064896 100644 --- a/dist/Miew.js.map +++ b/dist/Miew.js.map @@ -1 +1 @@ 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_arrayWithHoles(arr) {\n if (Array.isArray(arr)) return arr;\n}\n\nmodule.exports = _arrayWithHoles;","function _iterableToArrayLimit(arr, i) {\n if (!(Symbol.iterator in Object(arr) || Object.prototype.toString.call(arr) === \"[object Arguments]\")) {\n return;\n }\n\n var _arr = [];\n var _n = true;\n var _d = false;\n var _e = undefined;\n\n try {\n for (var _i = arr[Symbol.iterator](), _s; !(_n = (_s = _i.next()).done); _n = true) {\n _arr.push(_s.value);\n\n if (i && _arr.length === i) break;\n }\n } catch (err) {\n _d = true;\n _e = err;\n } finally {\n try {\n if (!_n && _i[\"return\"] != null) _i[\"return\"]();\n } finally {\n if (_d) throw _e;\n }\n }\n\n return _arr;\n}\n\nmodule.exports = _iterableToArrayLimit;","function _nonIterableRest() {\n throw new TypeError(\"Invalid attempt to destructure non-iterable instance\");\n}\n\nmodule.exports = _nonIterableRest;","var arrayWithHoles = require(\"./arrayWithHoles\");\n\nvar iterableToArrayLimit = 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Float32Array]',\n float64Tag = '[object Float64Array]',\n int8Tag = '[object Int8Array]',\n int16Tag = '[object Int16Array]',\n int32Tag = '[object Int32Array]',\n uint8Tag = '[object Uint8Array]',\n uint8ClampedTag = '[object Uint8ClampedArray]',\n uint16Tag = '[object Uint16Array]',\n uint32Tag = '[object Uint32Array]';\n\n /** Used to match empty string literals in compiled template source. */\n var reEmptyStringLeading = /\\b__p \\+= '';/g,\n reEmptyStringMiddle = /\\b(__p \\+=) '' \\+/g,\n reEmptyStringTrailing = /(__e\\(.*?\\)|\\b__t\\)) \\+\\n'';/g;\n\n /** Used to match HTML entities and HTML characters. */\n var reEscapedHtml = /&(?:amp|lt|gt|quot|#39);/g,\n reUnescapedHtml = /[&<>\"']/g,\n reHasEscapedHtml = RegExp(reEscapedHtml.source),\n reHasUnescapedHtml = RegExp(reUnescapedHtml.source);\n\n /** Used to match template delimiters. */\n var reEscape = /<%-([\\s\\S]+?)%>/g,\n reEvaluate = /<%([\\s\\S]+?)%>/g,\n reInterpolate = /<%=([\\s\\S]+?)%>/g;\n\n /** Used to match property names within property paths. */\n var reIsDeepProp = /\\.|\\[(?:[^[\\]]*|([\"'])(?:(?!\\1)[^\\\\]|\\\\.)*?\\1)\\]/,\n reIsPlainProp = /^\\w*$/,\n rePropName = /[^.[\\]]+|\\[(?:(-?\\d+(?:\\.\\d+)?)|([\"'])((?:(?!\\2)[^\\\\]|\\\\.)*?)\\2)\\]|(?=(?:\\.|\\[\\])(?:\\.|\\[\\]|$))/g;\n\n /**\n * Used to match `RegExp`\n * [syntax characters](http://ecma-international.org/ecma-262/7.0/#sec-patterns).\n */\n var reRegExpChar = /[\\\\^$.*+?()[\\]{}|]/g,\n reHasRegExpChar = RegExp(reRegExpChar.source);\n\n /** Used to match leading and trailing whitespace. */\n var reTrim = /^\\s+|\\s+$/g,\n reTrimStart = /^\\s+/,\n reTrimEnd = /\\s+$/;\n\n /** Used to match wrap detail comments. */\n var reWrapComment = /\\{(?:\\n\\/\\* \\[wrapped with .+\\] \\*\\/)?\\n?/,\n reWrapDetails = /\\{\\n\\/\\* \\[wrapped with (.+)\\] \\*/,\n reSplitDetails = /,? & /;\n\n /** Used to match words composed of alphanumeric characters. */\n var reAsciiWord = /[^\\x00-\\x2f\\x3a-\\x40\\x5b-\\x60\\x7b-\\x7f]+/g;\n\n /** Used to match backslashes in property paths. */\n var reEscapeChar = /\\\\(\\\\)?/g;\n\n /**\n * Used to match\n * [ES template delimiters](http://ecma-international.org/ecma-262/7.0/#sec-template-literal-lexical-components).\n */\n var reEsTemplate = /\\$\\{([^\\\\}]*(?:\\\\.[^\\\\}]*)*)\\}/g;\n\n /** Used to match `RegExp` flags from their coerced string values. */\n var reFlags = /\\w*$/;\n\n /** Used to detect bad signed hexadecimal string values. */\n var reIsBadHex = /^[-+]0x[0-9a-f]+$/i;\n\n /** Used to detect binary string values. */\n var reIsBinary = /^0b[01]+$/i;\n\n /** Used to detect host constructors (Safari). */\n var reIsHostCtor = /^\\[object .+?Constructor\\]$/;\n\n /** Used to detect octal string values. */\n var reIsOctal = /^0o[0-7]+$/i;\n\n /** Used to detect unsigned integer values. */\n var reIsUint = /^(?:0|[1-9]\\d*)$/;\n\n /** Used to match Latin Unicode letters (excluding mathematical operators). */\n var reLatin = /[\\xc0-\\xd6\\xd8-\\xf6\\xf8-\\xff\\u0100-\\u017f]/g;\n\n /** Used to ensure capturing order of template delimiters. */\n var reNoMatch = /($^)/;\n\n /** Used to match unescaped characters in compiled string literals. */\n var reUnescapedString = /['\\n\\r\\u2028\\u2029\\\\]/g;\n\n /** Used to compose unicode character classes. */\n var rsAstralRange = '\\\\ud800-\\\\udfff',\n rsComboMarksRange = '\\\\u0300-\\\\u036f',\n reComboHalfMarksRange = '\\\\ufe20-\\\\ufe2f',\n rsComboSymbolsRange = '\\\\u20d0-\\\\u20ff',\n rsComboRange = rsComboMarksRange + reComboHalfMarksRange + rsComboSymbolsRange,\n rsDingbatRange = '\\\\u2700-\\\\u27bf',\n rsLowerRange = 'a-z\\\\xdf-\\\\xf6\\\\xf8-\\\\xff',\n rsMathOpRange = '\\\\xac\\\\xb1\\\\xd7\\\\xf7',\n rsNonCharRange = '\\\\x00-\\\\x2f\\\\x3a-\\\\x40\\\\x5b-\\\\x60\\\\x7b-\\\\xbf',\n rsPunctuationRange = '\\\\u2000-\\\\u206f',\n rsSpaceRange = ' \\\\t\\\\x0b\\\\f\\\\xa0\\\\ufeff\\\\n\\\\r\\\\u2028\\\\u2029\\\\u1680\\\\u180e\\\\u2000\\\\u2001\\\\u2002\\\\u2003\\\\u2004\\\\u2005\\\\u2006\\\\u2007\\\\u2008\\\\u2009\\\\u200a\\\\u202f\\\\u205f\\\\u3000',\n rsUpperRange = 'A-Z\\\\xc0-\\\\xd6\\\\xd8-\\\\xde',\n rsVarRange = '\\\\ufe0e\\\\ufe0f',\n rsBreakRange = rsMathOpRange + rsNonCharRange + rsPunctuationRange + rsSpaceRange;\n\n /** Used to compose unicode capture groups. */\n var rsApos = \"['\\u2019]\",\n rsAstral = '[' + rsAstralRange + ']',\n rsBreak = '[' + rsBreakRange + ']',\n rsCombo = '[' + rsComboRange + ']',\n rsDigits = '\\\\d+',\n rsDingbat = '[' + rsDingbatRange + ']',\n rsLower = '[' + rsLowerRange + ']',\n rsMisc = '[^' + rsAstralRange + rsBreakRange + rsDigits + rsDingbatRange + rsLowerRange + rsUpperRange + ']',\n rsFitz = '\\\\ud83c[\\\\udffb-\\\\udfff]',\n rsModifier = '(?:' + rsCombo + '|' + rsFitz + ')',\n rsNonAstral = '[^' + rsAstralRange + ']',\n rsRegional = '(?:\\\\ud83c[\\\\udde6-\\\\uddff]){2}',\n rsSurrPair = '[\\\\ud800-\\\\udbff][\\\\udc00-\\\\udfff]',\n rsUpper = '[' + rsUpperRange + ']',\n rsZWJ = '\\\\u200d';\n\n /** Used to compose unicode regexes. */\n var rsMiscLower = '(?:' + rsLower + '|' + rsMisc + ')',\n rsMiscUpper = '(?:' + rsUpper + '|' + rsMisc + ')',\n rsOptContrLower = '(?:' + rsApos + '(?:d|ll|m|re|s|t|ve))?',\n rsOptContrUpper = '(?:' + rsApos + '(?:D|LL|M|RE|S|T|VE))?',\n reOptMod = rsModifier + '?',\n rsOptVar = '[' + rsVarRange + ']?',\n rsOptJoin = '(?:' + rsZWJ + '(?:' + [rsNonAstral, rsRegional, rsSurrPair].join('|') + ')' + rsOptVar + reOptMod + ')*',\n rsOrdLower = '\\\\d*(?:1st|2nd|3rd|(?![123])\\\\dth)(?=\\\\b|[A-Z_])',\n rsOrdUpper = '\\\\d*(?:1ST|2ND|3RD|(?![123])\\\\dTH)(?=\\\\b|[a-z_])',\n rsSeq = rsOptVar + reOptMod + rsOptJoin,\n rsEmoji = '(?:' + [rsDingbat, rsRegional, rsSurrPair].join('|') + ')' + rsSeq,\n rsSymbol = '(?:' + [rsNonAstral + rsCombo + '?', rsCombo, rsRegional, rsSurrPair, rsAstral].join('|') + ')';\n\n /** Used to match apostrophes. */\n var reApos = RegExp(rsApos, 'g');\n\n /**\n * Used to match [combining diacritical marks](https://en.wikipedia.org/wiki/Combining_Diacritical_Marks) and\n * [combining diacritical marks for symbols](https://en.wikipedia.org/wiki/Combining_Diacritical_Marks_for_Symbols).\n */\n var reComboMark = RegExp(rsCombo, 'g');\n\n /** Used to match [string symbols](https://mathiasbynens.be/notes/javascript-unicode). */\n var reUnicode = RegExp(rsFitz + '(?=' + rsFitz + ')|' + rsSymbol + rsSeq, 'g');\n\n /** Used to match complex or compound words. */\n var reUnicodeWord = RegExp([\n rsUpper + '?' + rsLower + '+' + rsOptContrLower + '(?=' + [rsBreak, rsUpper, '$'].join('|') + ')',\n rsMiscUpper + '+' + rsOptContrUpper + '(?=' + [rsBreak, rsUpper + rsMiscLower, '$'].join('|') + ')',\n rsUpper + '?' + rsMiscLower + '+' + rsOptContrLower,\n rsUpper + '+' + rsOptContrUpper,\n rsOrdUpper,\n rsOrdLower,\n rsDigits,\n rsEmoji\n ].join('|'), 'g');\n\n /** Used to detect strings with [zero-width joiners or code points from the astral planes](http://eev.ee/blog/2015/09/12/dark-corners-of-unicode/). */\n var reHasUnicode = RegExp('[' + rsZWJ + rsAstralRange + rsComboRange + rsVarRange + ']');\n\n /** Used to detect strings that need a more robust regexp to match words. */\n var reHasUnicodeWord = /[a-z][A-Z]|[A-Z]{2}[a-z]|[0-9][a-zA-Z]|[a-zA-Z][0-9]|[^a-zA-Z0-9 ]/;\n\n /** Used to assign default `context` object properties. */\n var contextProps = [\n 'Array', 'Buffer', 'DataView', 'Date', 'Error', 'Float32Array', 'Float64Array',\n 'Function', 'Int8Array', 'Int16Array', 'Int32Array', 'Map', 'Math', 'Object',\n 'Promise', 'RegExp', 'Set', 'String', 'Symbol', 'TypeError', 'Uint8Array',\n 'Uint8ClampedArray', 'Uint16Array', 'Uint32Array', 'WeakMap',\n '_', 'clearTimeout', 'isFinite', 'parseInt', 'setTimeout'\n ];\n\n /** Used to make template sourceURLs easier to identify. */\n var templateCounter = -1;\n\n /** Used to identify `toStringTag` values of typed arrays. */\n var typedArrayTags = {};\n typedArrayTags[float32Tag] = typedArrayTags[float64Tag] =\n typedArrayTags[int8Tag] = typedArrayTags[int16Tag] =\n typedArrayTags[int32Tag] = typedArrayTags[uint8Tag] =\n typedArrayTags[uint8ClampedTag] = typedArrayTags[uint16Tag] =\n typedArrayTags[uint32Tag] = true;\n typedArrayTags[argsTag] = typedArrayTags[arrayTag] =\n typedArrayTags[arrayBufferTag] = typedArrayTags[boolTag] =\n typedArrayTags[dataViewTag] = typedArrayTags[dateTag] =\n typedArrayTags[errorTag] = typedArrayTags[funcTag] =\n typedArrayTags[mapTag] = typedArrayTags[numberTag] =\n typedArrayTags[objectTag] = typedArrayTags[regexpTag] =\n typedArrayTags[setTag] = typedArrayTags[stringTag] =\n typedArrayTags[weakMapTag] = false;\n\n /** Used to identify `toStringTag` values supported by `_.clone`. */\n var cloneableTags = {};\n cloneableTags[argsTag] = cloneableTags[arrayTag] =\n cloneableTags[arrayBufferTag] = cloneableTags[dataViewTag] =\n cloneableTags[boolTag] = cloneableTags[dateTag] =\n cloneableTags[float32Tag] = cloneableTags[float64Tag] =\n cloneableTags[int8Tag] = cloneableTags[int16Tag] =\n cloneableTags[int32Tag] = cloneableTags[mapTag] =\n cloneableTags[numberTag] = cloneableTags[objectTag] =\n cloneableTags[regexpTag] = cloneableTags[setTag] =\n cloneableTags[stringTag] = cloneableTags[symbolTag] =\n cloneableTags[uint8Tag] = cloneableTags[uint8ClampedTag] =\n cloneableTags[uint16Tag] = cloneableTags[uint32Tag] = true;\n cloneableTags[errorTag] = cloneableTags[funcTag] =\n cloneableTags[weakMapTag] = false;\n\n /** Used to map Latin Unicode letters to basic Latin letters. */\n var deburredLetters = {\n // Latin-1 Supplement block.\n '\\xc0': 'A', '\\xc1': 'A', '\\xc2': 'A', '\\xc3': 'A', '\\xc4': 'A', '\\xc5': 'A',\n '\\xe0': 'a', '\\xe1': 'a', '\\xe2': 'a', '\\xe3': 'a', '\\xe4': 'a', '\\xe5': 'a',\n '\\xc7': 'C', '\\xe7': 'c',\n '\\xd0': 'D', '\\xf0': 'd',\n '\\xc8': 'E', '\\xc9': 'E', '\\xca': 'E', '\\xcb': 'E',\n '\\xe8': 'e', '\\xe9': 'e', '\\xea': 'e', '\\xeb': 'e',\n '\\xcc': 'I', '\\xcd': 'I', '\\xce': 'I', '\\xcf': 'I',\n '\\xec': 'i', '\\xed': 'i', '\\xee': 'i', '\\xef': 'i',\n '\\xd1': 'N', '\\xf1': 'n',\n '\\xd2': 'O', '\\xd3': 'O', '\\xd4': 'O', '\\xd5': 'O', '\\xd6': 'O', '\\xd8': 'O',\n '\\xf2': 'o', '\\xf3': 'o', '\\xf4': 'o', '\\xf5': 'o', '\\xf6': 'o', '\\xf8': 'o',\n '\\xd9': 'U', '\\xda': 'U', '\\xdb': 'U', '\\xdc': 'U',\n '\\xf9': 'u', '\\xfa': 'u', '\\xfb': 'u', '\\xfc': 'u',\n '\\xdd': 'Y', '\\xfd': 'y', '\\xff': 'y',\n '\\xc6': 'Ae', '\\xe6': 'ae',\n '\\xde': 'Th', '\\xfe': 'th',\n '\\xdf': 'ss',\n // Latin Extended-A block.\n '\\u0100': 'A', '\\u0102': 'A', '\\u0104': 'A',\n '\\u0101': 'a', '\\u0103': 'a', '\\u0105': 'a',\n '\\u0106': 'C', '\\u0108': 'C', '\\u010a': 'C', '\\u010c': 'C',\n '\\u0107': 'c', '\\u0109': 'c', '\\u010b': 'c', '\\u010d': 'c',\n '\\u010e': 'D', '\\u0110': 'D', '\\u010f': 'd', '\\u0111': 'd',\n '\\u0112': 'E', '\\u0114': 'E', '\\u0116': 'E', '\\u0118': 'E', '\\u011a': 'E',\n '\\u0113': 'e', '\\u0115': 'e', '\\u0117': 'e', '\\u0119': 'e', '\\u011b': 'e',\n '\\u011c': 'G', '\\u011e': 'G', '\\u0120': 'G', '\\u0122': 'G',\n '\\u011d': 'g', '\\u011f': 'g', '\\u0121': 'g', '\\u0123': 'g',\n '\\u0124': 'H', '\\u0126': 'H', '\\u0125': 'h', '\\u0127': 'h',\n '\\u0128': 'I', '\\u012a': 'I', '\\u012c': 'I', '\\u012e': 'I', '\\u0130': 'I',\n '\\u0129': 'i', '\\u012b': 'i', '\\u012d': 'i', '\\u012f': 'i', '\\u0131': 'i',\n '\\u0134': 'J', '\\u0135': 'j',\n '\\u0136': 'K', '\\u0137': 'k', '\\u0138': 'k',\n '\\u0139': 'L', '\\u013b': 'L', '\\u013d': 'L', '\\u013f': 'L', '\\u0141': 'L',\n '\\u013a': 'l', '\\u013c': 'l', '\\u013e': 'l', '\\u0140': 'l', '\\u0142': 'l',\n '\\u0143': 'N', '\\u0145': 'N', '\\u0147': 'N', '\\u014a': 'N',\n '\\u0144': 'n', '\\u0146': 'n', '\\u0148': 'n', '\\u014b': 'n',\n '\\u014c': 'O', '\\u014e': 'O', '\\u0150': 'O',\n '\\u014d': 'o', '\\u014f': 'o', '\\u0151': 'o',\n '\\u0154': 'R', '\\u0156': 'R', '\\u0158': 'R',\n '\\u0155': 'r', '\\u0157': 'r', '\\u0159': 'r',\n '\\u015a': 'S', '\\u015c': 'S', '\\u015e': 'S', '\\u0160': 'S',\n '\\u015b': 's', '\\u015d': 's', '\\u015f': 's', '\\u0161': 's',\n '\\u0162': 'T', '\\u0164': 'T', '\\u0166': 'T',\n '\\u0163': 't', '\\u0165': 't', '\\u0167': 't',\n '\\u0168': 'U', '\\u016a': 'U', '\\u016c': 'U', '\\u016e': 'U', '\\u0170': 'U', '\\u0172': 'U',\n '\\u0169': 'u', '\\u016b': 'u', '\\u016d': 'u', '\\u016f': 'u', '\\u0171': 'u', '\\u0173': 'u',\n '\\u0174': 'W', '\\u0175': 'w',\n '\\u0176': 'Y', '\\u0177': 'y', '\\u0178': 'Y',\n '\\u0179': 'Z', '\\u017b': 'Z', '\\u017d': 'Z',\n '\\u017a': 'z', '\\u017c': 'z', '\\u017e': 'z',\n '\\u0132': 'IJ', '\\u0133': 'ij',\n '\\u0152': 'Oe', '\\u0153': 'oe',\n '\\u0149': \"'n\", '\\u017f': 's'\n };\n\n /** Used to map characters to HTML entities. */\n var htmlEscapes = {\n '&': '&',\n '<': '<',\n '>': '>',\n '\"': '"',\n \"'\": '''\n };\n\n /** Used to map HTML entities to characters. */\n var htmlUnescapes = {\n '&': '&',\n '<': '<',\n '>': '>',\n '"': '\"',\n ''': \"'\"\n };\n\n /** Used to escape characters for inclusion in compiled string literals. */\n var stringEscapes = {\n '\\\\': '\\\\',\n \"'\": \"'\",\n '\\n': 'n',\n '\\r': 'r',\n '\\u2028': 'u2028',\n '\\u2029': 'u2029'\n };\n\n /** Built-in method references without a dependency on `root`. */\n var freeParseFloat = parseFloat,\n freeParseInt = parseInt;\n\n /** Detect free variable `global` from Node.js. */\n var freeGlobal = typeof global == 'object' && global && global.Object === Object && global;\n\n /** Detect free variable `self`. */\n var freeSelf = typeof self == 'object' && self && self.Object === Object && self;\n\n /** Used as a reference to the global object. */\n var root = freeGlobal || freeSelf || Function('return this')();\n\n /** Detect free variable `exports`. */\n var freeExports = typeof exports == 'object' && exports && !exports.nodeType && exports;\n\n /** Detect free variable `module`. */\n var freeModule = freeExports && typeof module == 'object' && module && !module.nodeType && module;\n\n /** Detect the popular CommonJS extension `module.exports`. */\n var moduleExports = freeModule && freeModule.exports === freeExports;\n\n /** Detect free variable `process` from Node.js. */\n var freeProcess = moduleExports && freeGlobal.process;\n\n /** Used to access faster Node.js helpers. */\n var nodeUtil = (function() {\n try {\n // Use `util.types` for Node.js 10+.\n var types = freeModule && freeModule.require && freeModule.require('util').types;\n\n if (types) {\n return types;\n }\n\n // Legacy `process.binding('util')` for Node.js < 10.\n return freeProcess && freeProcess.binding && freeProcess.binding('util');\n } catch (e) {}\n }());\n\n /* Node.js helper references. */\n var nodeIsArrayBuffer = nodeUtil && nodeUtil.isArrayBuffer,\n nodeIsDate = nodeUtil && nodeUtil.isDate,\n nodeIsMap = nodeUtil && nodeUtil.isMap,\n nodeIsRegExp = nodeUtil && nodeUtil.isRegExp,\n nodeIsSet = nodeUtil && nodeUtil.isSet,\n nodeIsTypedArray = nodeUtil && nodeUtil.isTypedArray;\n\n /*--------------------------------------------------------------------------*/\n\n /**\n * A faster alternative to `Function#apply`, this function invokes `func`\n * with the `this` binding of `thisArg` and the arguments of `args`.\n *\n * @private\n * @param {Function} func The function to invoke.\n * @param {*} thisArg The `this` binding of `func`.\n * @param {Array} args The arguments to invoke `func` with.\n * @returns {*} Returns the result of `func`.\n */\n function apply(func, thisArg, args) {\n switch (args.length) {\n case 0: return func.call(thisArg);\n case 1: return func.call(thisArg, args[0]);\n case 2: return func.call(thisArg, args[0], args[1]);\n case 3: return func.call(thisArg, args[0], args[1], args[2]);\n }\n return func.apply(thisArg, args);\n }\n\n /**\n * A specialized version of `baseAggregator` for arrays.\n *\n * @private\n * @param {Array} [array] The array to iterate over.\n * @param {Function} setter The function to set `accumulator` values.\n * @param {Function} iteratee The iteratee to transform keys.\n * @param {Object} accumulator The initial aggregated object.\n * @returns {Function} Returns `accumulator`.\n */\n function arrayAggregator(array, setter, iteratee, accumulator) {\n var index = -1,\n length = array == null ? 0 : array.length;\n\n while (++index < length) {\n var value = array[index];\n setter(accumulator, value, iteratee(value), array);\n }\n return accumulator;\n }\n\n /**\n * A specialized version of `_.forEach` for arrays without support for\n * iteratee shorthands.\n *\n * @private\n * @param {Array} [array] The array to iterate over.\n * @param {Function} iteratee The function invoked per iteration.\n * @returns {Array} Returns `array`.\n */\n function arrayEach(array, iteratee) {\n var index = -1,\n length = array == null ? 0 : array.length;\n\n while (++index < length) {\n if (iteratee(array[index], index, array) === false) {\n break;\n }\n }\n return array;\n }\n\n /**\n * A specialized version of `_.forEachRight` for arrays without support for\n * iteratee shorthands.\n *\n * @private\n * @param {Array} [array] The array to iterate over.\n * @param {Function} iteratee The function invoked per iteration.\n * @returns {Array} Returns `array`.\n */\n function arrayEachRight(array, iteratee) {\n var length = array == null ? 0 : array.length;\n\n while (length--) {\n if (iteratee(array[length], length, array) === false) {\n break;\n }\n }\n return array;\n }\n\n /**\n * A specialized version of `_.every` for arrays without support for\n * iteratee shorthands.\n *\n * @private\n * @param {Array} [array] The array to iterate over.\n * @param {Function} predicate The function invoked per iteration.\n * @returns {boolean} Returns `true` if all elements pass the predicate check,\n * else `false`.\n */\n function arrayEvery(array, predicate) {\n var index = -1,\n length = array == null ? 0 : array.length;\n\n while (++index < length) {\n if (!predicate(array[index], index, array)) {\n return false;\n }\n }\n return true;\n }\n\n /**\n * A specialized version of `_.filter` for arrays without support for\n * iteratee shorthands.\n *\n * @private\n * @param {Array} [array] The array to iterate over.\n * @param {Function} predicate The function invoked per iteration.\n * @returns {Array} Returns the new filtered array.\n */\n function arrayFilter(array, predicate) {\n var index = -1,\n length = array == null ? 0 : array.length,\n resIndex = 0,\n result = [];\n\n while (++index < length) {\n var value = array[index];\n if (predicate(value, index, array)) {\n result[resIndex++] = value;\n }\n }\n return result;\n }\n\n /**\n * A specialized version of `_.includes` for arrays without support for\n * specifying an index to search from.\n *\n * @private\n * @param {Array} [array] The array to inspect.\n * @param {*} target The value to search for.\n * @returns {boolean} Returns `true` if `target` is found, else `false`.\n */\n function arrayIncludes(array, value) {\n var length = array == null ? 0 : array.length;\n return !!length && baseIndexOf(array, value, 0) > -1;\n }\n\n /**\n * This function is like `arrayIncludes` except that it accepts a comparator.\n *\n * @private\n * @param {Array} [array] The array to inspect.\n * @param {*} target The value to search for.\n * @param {Function} comparator The comparator invoked per element.\n * @returns {boolean} Returns `true` if `target` is found, else `false`.\n */\n function arrayIncludesWith(array, value, comparator) {\n var index = -1,\n length = array == null ? 0 : array.length;\n\n while (++index < length) {\n if (comparator(value, array[index])) {\n return true;\n }\n }\n return false;\n }\n\n /**\n * A specialized version of `_.map` for arrays without support for iteratee\n * shorthands.\n *\n * @private\n * @param {Array} [array] The array to iterate over.\n * @param {Function} iteratee The function invoked per iteration.\n * @returns {Array} Returns the new mapped array.\n */\n function arrayMap(array, iteratee) {\n var index = -1,\n length = array == null ? 0 : array.length,\n result = Array(length);\n\n while (++index < length) {\n result[index] = iteratee(array[index], index, array);\n }\n return result;\n }\n\n /**\n * Appends the elements of `values` to `array`.\n *\n * @private\n * @param {Array} array The array to modify.\n * @param {Array} values The values to append.\n * @returns {Array} Returns `array`.\n */\n function arrayPush(array, values) {\n var index = -1,\n length = values.length,\n offset = array.length;\n\n while (++index < length) {\n array[offset + index] = values[index];\n }\n return array;\n }\n\n /**\n * A specialized version of `_.reduce` for arrays without support for\n * iteratee shorthands.\n *\n * @private\n * @param {Array} [array] The array to iterate over.\n * @param {Function} iteratee The function invoked per iteration.\n * @param {*} [accumulator] The initial value.\n * @param {boolean} [initAccum] Specify using the first element of `array` as\n * the initial value.\n * @returns {*} Returns the accumulated value.\n */\n function arrayReduce(array, iteratee, accumulator, initAccum) {\n var index = -1,\n length = array == null ? 0 : array.length;\n\n if (initAccum && length) {\n accumulator = array[++index];\n }\n while (++index < length) {\n accumulator = iteratee(accumulator, array[index], index, array);\n }\n return accumulator;\n }\n\n /**\n * A specialized version of `_.reduceRight` for arrays without support for\n * iteratee shorthands.\n *\n * @private\n * @param {Array} [array] The array to iterate over.\n * @param {Function} iteratee The function invoked per iteration.\n * @param {*} [accumulator] The initial value.\n * @param {boolean} [initAccum] Specify using the last element of `array` as\n * the initial value.\n * @returns {*} Returns the accumulated value.\n */\n function arrayReduceRight(array, iteratee, accumulator, initAccum) {\n var length = array == null ? 0 : array.length;\n if (initAccum && length) {\n accumulator = array[--length];\n }\n while (length--) {\n accumulator = iteratee(accumulator, array[length], length, array);\n }\n return accumulator;\n }\n\n /**\n * A specialized version of `_.some` for arrays without support for iteratee\n * shorthands.\n *\n * @private\n * @param {Array} [array] The array to iterate over.\n * @param {Function} predicate The function invoked per iteration.\n * @returns {boolean} Returns `true` if any element passes the predicate check,\n * else `false`.\n */\n function arraySome(array, predicate) {\n var index = -1,\n length = array == null ? 0 : array.length;\n\n while (++index < length) {\n if (predicate(array[index], index, array)) {\n return true;\n }\n }\n return false;\n }\n\n /**\n * Gets the size of an ASCII `string`.\n *\n * @private\n * @param {string} string The string inspect.\n * @returns {number} Returns the string size.\n */\n var asciiSize = baseProperty('length');\n\n /**\n * Converts an ASCII `string` to an array.\n *\n * @private\n * @param {string} string The string to convert.\n * @returns {Array} Returns the converted array.\n */\n function asciiToArray(string) {\n return string.split('');\n }\n\n /**\n * Splits an ASCII `string` into an array of its words.\n *\n * @private\n * @param {string} The string to inspect.\n * @returns {Array} Returns the words of `string`.\n */\n function asciiWords(string) {\n return string.match(reAsciiWord) || [];\n }\n\n /**\n * The base implementation of methods like `_.findKey` and `_.findLastKey`,\n * without support for iteratee shorthands, which iterates over `collection`\n * using `eachFunc`.\n *\n * @private\n * @param {Array|Object} collection The collection to inspect.\n * @param {Function} predicate The function invoked per iteration.\n * @param {Function} eachFunc The function to iterate over `collection`.\n * @returns {*} Returns the found element or its key, else `undefined`.\n */\n function baseFindKey(collection, predicate, eachFunc) {\n var result;\n eachFunc(collection, function(value, key, collection) {\n if (predicate(value, key, collection)) {\n result = key;\n return false;\n }\n });\n return result;\n }\n\n /**\n * The base implementation of `_.findIndex` and `_.findLastIndex` without\n * support for iteratee shorthands.\n *\n * @private\n * @param {Array} array The array to inspect.\n * @param {Function} predicate The function invoked per iteration.\n * @param {number} fromIndex The index to search from.\n * @param {boolean} [fromRight] Specify iterating from right to left.\n * @returns {number} Returns the index of the matched value, else `-1`.\n */\n function baseFindIndex(array, predicate, fromIndex, fromRight) {\n var length = array.length,\n index = fromIndex + (fromRight ? 1 : -1);\n\n while ((fromRight ? index-- : ++index < length)) {\n if (predicate(array[index], index, array)) {\n return index;\n }\n }\n return -1;\n }\n\n /**\n * The base implementation of `_.indexOf` without `fromIndex` bounds checks.\n *\n * @private\n * @param {Array} array The array to inspect.\n * @param {*} value The value to search for.\n * @param {number} fromIndex The index to search from.\n * @returns {number} Returns the index of the matched value, else `-1`.\n */\n function baseIndexOf(array, value, fromIndex) {\n return value === value\n ? strictIndexOf(array, value, fromIndex)\n : baseFindIndex(array, baseIsNaN, fromIndex);\n }\n\n /**\n * This function is like `baseIndexOf` except that it accepts a comparator.\n *\n * @private\n * @param {Array} array The array to inspect.\n * @param {*} value The value to search for.\n * @param {number} fromIndex The index to search from.\n * @param {Function} comparator The comparator invoked per element.\n * @returns {number} Returns the index of the matched value, else `-1`.\n */\n function baseIndexOfWith(array, value, fromIndex, comparator) {\n var index = fromIndex - 1,\n length = array.length;\n\n while (++index < length) {\n if (comparator(array[index], value)) {\n return index;\n }\n }\n return -1;\n }\n\n /**\n * The base implementation of `_.isNaN` without support for number objects.\n *\n * @private\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is `NaN`, else `false`.\n */\n function baseIsNaN(value) {\n return value !== value;\n }\n\n /**\n * The base implementation of `_.mean` and `_.meanBy` without support for\n * iteratee shorthands.\n *\n * @private\n * @param {Array} array The array to iterate over.\n * @param {Function} iteratee The function invoked per iteration.\n * @returns {number} Returns the mean.\n */\n function baseMean(array, iteratee) {\n var length = array == null ? 0 : array.length;\n return length ? (baseSum(array, iteratee) / length) : NAN;\n }\n\n /**\n * The base implementation of `_.property` without support for deep paths.\n *\n * @private\n * @param {string} key The key of the property to get.\n * @returns {Function} Returns the new accessor function.\n */\n function baseProperty(key) {\n return function(object) {\n return object == null ? undefined : object[key];\n };\n }\n\n /**\n * The base implementation of `_.propertyOf` without support for deep paths.\n *\n * @private\n * @param {Object} object The object to query.\n * @returns {Function} Returns the new accessor function.\n */\n function basePropertyOf(object) {\n return function(key) {\n return object == null ? undefined : object[key];\n };\n }\n\n /**\n * The base implementation of `_.reduce` and `_.reduceRight`, without support\n * for iteratee shorthands, which iterates over `collection` using `eachFunc`.\n *\n * @private\n * @param {Array|Object} collection The collection to iterate over.\n * @param {Function} iteratee The function invoked per iteration.\n * @param {*} accumulator The initial value.\n * @param {boolean} initAccum Specify using the first or last element of\n * `collection` as the initial value.\n * @param {Function} eachFunc The function to iterate over `collection`.\n * @returns {*} Returns the accumulated value.\n */\n function baseReduce(collection, iteratee, accumulator, initAccum, eachFunc) {\n eachFunc(collection, function(value, index, collection) {\n accumulator = initAccum\n ? (initAccum = false, value)\n : iteratee(accumulator, value, index, collection);\n });\n return accumulator;\n }\n\n /**\n * The base implementation of `_.sortBy` which uses `comparer` to define the\n * sort order of `array` and replaces criteria objects with their corresponding\n * values.\n *\n * @private\n * @param {Array} array The array to sort.\n * @param {Function} comparer The function to define sort order.\n * @returns {Array} Returns `array`.\n */\n function baseSortBy(array, comparer) {\n var length = array.length;\n\n array.sort(comparer);\n while (length--) {\n array[length] = array[length].value;\n }\n return array;\n }\n\n /**\n * The base implementation of `_.sum` and `_.sumBy` without support for\n * iteratee shorthands.\n *\n * @private\n * @param {Array} array The array to iterate over.\n * @param {Function} iteratee The function invoked per iteration.\n * @returns {number} Returns the sum.\n */\n function baseSum(array, iteratee) {\n var result,\n index = -1,\n length = array.length;\n\n while (++index < length) {\n var current = iteratee(array[index]);\n if (current !== undefined) {\n result = result === undefined ? current : (result + current);\n }\n }\n return result;\n }\n\n /**\n * The base implementation of `_.times` without support for iteratee shorthands\n * or max array length checks.\n *\n * @private\n * @param {number} n The number of times to invoke `iteratee`.\n * @param {Function} iteratee The function invoked per iteration.\n * @returns {Array} Returns the array of results.\n */\n function baseTimes(n, iteratee) {\n var index = -1,\n result = Array(n);\n\n while (++index < n) {\n result[index] = iteratee(index);\n }\n return result;\n }\n\n /**\n * The base implementation of `_.toPairs` and `_.toPairsIn` which creates an array\n * of key-value pairs for `object` corresponding to the property names of `props`.\n *\n * @private\n * @param {Object} object The object to query.\n * @param {Array} props The property names to get values for.\n * @returns {Object} Returns the key-value pairs.\n */\n function baseToPairs(object, props) {\n return arrayMap(props, function(key) {\n return [key, object[key]];\n });\n }\n\n /**\n * The base implementation of `_.unary` without support for storing metadata.\n *\n * @private\n * @param {Function} func The function to cap arguments for.\n * @returns {Function} Returns the new capped function.\n */\n function baseUnary(func) {\n return function(value) {\n return func(value);\n };\n }\n\n /**\n * The base implementation of `_.values` and `_.valuesIn` which creates an\n * array of `object` property values corresponding to the property names\n * of `props`.\n *\n * @private\n * @param {Object} object The object to query.\n * @param {Array} props The property names to get values for.\n * @returns {Object} Returns the array of property values.\n */\n function baseValues(object, props) {\n return arrayMap(props, function(key) {\n return object[key];\n });\n }\n\n /**\n * Checks if a `cache` value for `key` exists.\n *\n * @private\n * @param {Object} cache The cache to query.\n * @param {string} key The key of the entry to check.\n * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.\n */\n function cacheHas(cache, key) {\n return cache.has(key);\n }\n\n /**\n * Used by `_.trim` and `_.trimStart` to get the index of the first string symbol\n * that is not found in the character symbols.\n *\n * @private\n * @param {Array} strSymbols The string symbols to inspect.\n * @param {Array} chrSymbols The character symbols to find.\n * @returns {number} Returns the index of the first unmatched string symbol.\n */\n function charsStartIndex(strSymbols, chrSymbols) {\n var index = -1,\n length = strSymbols.length;\n\n while (++index < length && baseIndexOf(chrSymbols, strSymbols[index], 0) > -1) {}\n return index;\n }\n\n /**\n * Used by `_.trim` and `_.trimEnd` to get the index of the last string symbol\n * that is not found in the character symbols.\n *\n * @private\n * @param {Array} strSymbols The string symbols to inspect.\n * @param {Array} chrSymbols The character symbols to find.\n * @returns {number} Returns the index of the last unmatched string symbol.\n */\n function charsEndIndex(strSymbols, chrSymbols) {\n var index = strSymbols.length;\n\n while (index-- && baseIndexOf(chrSymbols, strSymbols[index], 0) > -1) {}\n return index;\n }\n\n /**\n * Gets the number of `placeholder` occurrences in `array`.\n *\n * @private\n * @param {Array} array The array to inspect.\n * @param {*} placeholder The placeholder to search for.\n * @returns {number} Returns the placeholder count.\n */\n function countHolders(array, placeholder) {\n var length = array.length,\n result = 0;\n\n while (length--) {\n if (array[length] === placeholder) {\n ++result;\n }\n }\n return result;\n }\n\n /**\n * Used by `_.deburr` to convert Latin-1 Supplement and Latin Extended-A\n * letters to basic Latin letters.\n *\n * @private\n * @param {string} letter The matched letter to deburr.\n * @returns {string} Returns the deburred letter.\n */\n var deburrLetter = basePropertyOf(deburredLetters);\n\n /**\n * Used by `_.escape` to convert characters to HTML entities.\n *\n * @private\n * @param {string} chr The matched character to escape.\n * @returns {string} Returns the escaped character.\n */\n var escapeHtmlChar = basePropertyOf(htmlEscapes);\n\n /**\n * Used by `_.template` to escape characters for inclusion in compiled string literals.\n *\n * @private\n * @param {string} chr The matched character to escape.\n * @returns {string} Returns the escaped character.\n */\n function escapeStringChar(chr) {\n return '\\\\' + stringEscapes[chr];\n }\n\n /**\n * Gets the value at `key` of `object`.\n *\n * @private\n * @param {Object} [object] The object to query.\n * @param {string} key The key of the property to get.\n * @returns {*} Returns the property value.\n */\n function getValue(object, key) {\n return object == null ? undefined : object[key];\n }\n\n /**\n * Checks if `string` contains Unicode symbols.\n *\n * @private\n * @param {string} string The string to inspect.\n * @returns {boolean} Returns `true` if a symbol is found, else `false`.\n */\n function hasUnicode(string) {\n return reHasUnicode.test(string);\n }\n\n /**\n * Checks if `string` contains a word composed of Unicode symbols.\n *\n * @private\n * @param {string} string The string to inspect.\n * @returns {boolean} Returns `true` if a word is found, else `false`.\n */\n function hasUnicodeWord(string) {\n return reHasUnicodeWord.test(string);\n }\n\n /**\n * Converts `iterator` to an array.\n *\n * @private\n * @param {Object} iterator The iterator to convert.\n * @returns {Array} Returns the converted array.\n */\n function iteratorToArray(iterator) {\n var data,\n result = [];\n\n while (!(data = iterator.next()).done) {\n result.push(data.value);\n }\n return result;\n }\n\n /**\n * Converts `map` to its key-value pairs.\n *\n * @private\n * @param {Object} map The map to convert.\n * @returns {Array} Returns the key-value pairs.\n */\n function mapToArray(map) {\n var index = -1,\n result = Array(map.size);\n\n map.forEach(function(value, key) {\n result[++index] = [key, value];\n });\n return result;\n }\n\n /**\n * Creates a unary function that invokes `func` with its argument transformed.\n *\n * @private\n * @param {Function} func The function to wrap.\n * @param {Function} transform The argument transform.\n * @returns {Function} Returns the new function.\n */\n function overArg(func, transform) {\n return function(arg) {\n return func(transform(arg));\n };\n }\n\n /**\n * Replaces all `placeholder` elements in `array` with an internal placeholder\n * and returns an array of their indexes.\n *\n * @private\n * @param {Array} array The array to modify.\n * @param {*} placeholder The placeholder to replace.\n * @returns {Array} Returns the new array of placeholder indexes.\n */\n function replaceHolders(array, placeholder) {\n var index = -1,\n length = array.length,\n resIndex = 0,\n result = [];\n\n while (++index < length) {\n var value = array[index];\n if (value === placeholder || value === PLACEHOLDER) {\n array[index] = PLACEHOLDER;\n result[resIndex++] = index;\n }\n }\n return result;\n }\n\n /**\n * Converts `set` to an array of its values.\n *\n * @private\n * @param {Object} set The set to convert.\n * @returns {Array} Returns the values.\n */\n function setToArray(set) {\n var index = -1,\n result = Array(set.size);\n\n set.forEach(function(value) {\n result[++index] = value;\n });\n return result;\n }\n\n /**\n * Converts `set` to its value-value pairs.\n *\n * @private\n * @param {Object} set The set to convert.\n * @returns {Array} Returns the value-value pairs.\n */\n function setToPairs(set) {\n var index = -1,\n result = Array(set.size);\n\n set.forEach(function(value) {\n result[++index] = [value, value];\n });\n return result;\n }\n\n /**\n * A specialized version of `_.indexOf` which performs strict equality\n * comparisons of values, i.e. `===`.\n *\n * @private\n * @param {Array} array The array to inspect.\n * @param {*} value The value to search for.\n * @param {number} fromIndex The index to search from.\n * @returns {number} Returns the index of the matched value, else `-1`.\n */\n function strictIndexOf(array, value, fromIndex) {\n var index = fromIndex - 1,\n length = array.length;\n\n while (++index < length) {\n if (array[index] === value) {\n return index;\n }\n }\n return -1;\n }\n\n /**\n * A specialized version of `_.lastIndexOf` which performs strict equality\n * comparisons of values, i.e. `===`.\n *\n * @private\n * @param {Array} array The array to inspect.\n * @param {*} value The value to search for.\n * @param {number} fromIndex The index to search from.\n * @returns {number} Returns the index of the matched value, else `-1`.\n */\n function strictLastIndexOf(array, value, fromIndex) {\n var index = fromIndex + 1;\n while (index--) {\n if (array[index] === value) {\n return index;\n }\n }\n return index;\n }\n\n /**\n * Gets the number of symbols in `string`.\n *\n * @private\n * @param {string} string The string to inspect.\n * @returns {number} Returns the string size.\n */\n function stringSize(string) {\n return hasUnicode(string)\n ? unicodeSize(string)\n : asciiSize(string);\n }\n\n /**\n * Converts `string` to an array.\n *\n * @private\n * @param {string} string The string to convert.\n * @returns {Array} Returns the converted array.\n */\n function stringToArray(string) {\n return hasUnicode(string)\n ? unicodeToArray(string)\n : asciiToArray(string);\n }\n\n /**\n * Used by `_.unescape` to convert HTML entities to characters.\n *\n * @private\n * @param {string} chr The matched character to unescape.\n * @returns {string} Returns the unescaped character.\n */\n var unescapeHtmlChar = basePropertyOf(htmlUnescapes);\n\n /**\n * Gets the size of a Unicode `string`.\n *\n * @private\n * @param {string} string The string inspect.\n * @returns {number} Returns the string size.\n */\n function unicodeSize(string) {\n var result = reUnicode.lastIndex = 0;\n while (reUnicode.test(string)) {\n ++result;\n }\n return result;\n }\n\n /**\n * Converts a Unicode `string` to an array.\n *\n * @private\n * @param {string} string The string to convert.\n * @returns {Array} Returns the converted array.\n */\n function unicodeToArray(string) {\n return string.match(reUnicode) || [];\n }\n\n /**\n * Splits a Unicode `string` into an array of its words.\n *\n * @private\n * @param {string} The string to inspect.\n * @returns {Array} Returns the words of `string`.\n */\n function unicodeWords(string) {\n return string.match(reUnicodeWord) || [];\n }\n\n /*--------------------------------------------------------------------------*/\n\n /**\n * Create a new pristine `lodash` function using the `context` object.\n *\n * @static\n * @memberOf _\n * @since 1.1.0\n * @category Util\n * @param {Object} [context=root] The context object.\n * @returns {Function} Returns a new `lodash` function.\n * @example\n *\n * _.mixin({ 'foo': _.constant('foo') });\n *\n * var lodash = _.runInContext();\n * lodash.mixin({ 'bar': lodash.constant('bar') });\n *\n * _.isFunction(_.foo);\n * // => true\n * _.isFunction(_.bar);\n * // => false\n *\n * lodash.isFunction(lodash.foo);\n * // => false\n * lodash.isFunction(lodash.bar);\n * // => true\n *\n * // Create a suped-up `defer` in Node.js.\n * var defer = _.runInContext({ 'setTimeout': setImmediate }).defer;\n */\n var runInContext = (function runInContext(context) {\n context = context == null ? root : _.defaults(root.Object(), context, _.pick(root, contextProps));\n\n /** Built-in constructor references. */\n var Array = context.Array,\n Date = context.Date,\n Error = context.Error,\n Function = context.Function,\n Math = context.Math,\n Object = context.Object,\n RegExp = context.RegExp,\n String = context.String,\n TypeError = context.TypeError;\n\n /** Used for built-in method references. */\n var arrayProto = Array.prototype,\n funcProto = Function.prototype,\n objectProto = Object.prototype;\n\n /** Used to detect overreaching core-js shims. */\n var coreJsData = context['__core-js_shared__'];\n\n /** Used to resolve the decompiled source of functions. */\n var funcToString = funcProto.toString;\n\n /** Used to check objects for own properties. */\n var hasOwnProperty = objectProto.hasOwnProperty;\n\n /** Used to generate unique IDs. */\n var idCounter = 0;\n\n /** Used to detect methods masquerading as native. */\n var maskSrcKey = (function() {\n var uid = /[^.]+$/.exec(coreJsData && coreJsData.keys && coreJsData.keys.IE_PROTO || '');\n return uid ? ('Symbol(src)_1.' + uid) : '';\n }());\n\n /**\n * Used to resolve the\n * [`toStringTag`](http://ecma-international.org/ecma-262/7.0/#sec-object.prototype.tostring)\n * of values.\n */\n var nativeObjectToString = objectProto.toString;\n\n /** Used to infer the `Object` constructor. */\n var objectCtorString = funcToString.call(Object);\n\n /** Used to restore the original `_` reference in `_.noConflict`. */\n var oldDash = root._;\n\n /** Used to detect if a method is native. */\n var reIsNative = RegExp('^' +\n funcToString.call(hasOwnProperty).replace(reRegExpChar, '\\\\$&')\n .replace(/hasOwnProperty|(function).*?(?=\\\\\\()| for .+?(?=\\\\\\])/g, '$1.*?') + '$'\n );\n\n /** Built-in value references. */\n var Buffer = moduleExports ? context.Buffer : undefined,\n Symbol = context.Symbol,\n Uint8Array = context.Uint8Array,\n allocUnsafe = Buffer ? Buffer.allocUnsafe : undefined,\n getPrototype = overArg(Object.getPrototypeOf, Object),\n objectCreate = Object.create,\n propertyIsEnumerable = objectProto.propertyIsEnumerable,\n splice = arrayProto.splice,\n spreadableSymbol = Symbol ? Symbol.isConcatSpreadable : undefined,\n symIterator = Symbol ? Symbol.iterator : undefined,\n symToStringTag = Symbol ? Symbol.toStringTag : undefined;\n\n var defineProperty = (function() {\n try {\n var func = getNative(Object, 'defineProperty');\n func({}, '', {});\n return func;\n } catch (e) {}\n }());\n\n /** Mocked built-ins. */\n var ctxClearTimeout = context.clearTimeout !== root.clearTimeout && context.clearTimeout,\n ctxNow = Date && Date.now !== root.Date.now && Date.now,\n ctxSetTimeout = context.setTimeout !== root.setTimeout && context.setTimeout;\n\n /* Built-in method references for those with the same name as other `lodash` methods. */\n var nativeCeil = Math.ceil,\n nativeFloor = Math.floor,\n nativeGetSymbols = Object.getOwnPropertySymbols,\n nativeIsBuffer = Buffer ? Buffer.isBuffer : undefined,\n nativeIsFinite = context.isFinite,\n nativeJoin = arrayProto.join,\n nativeKeys = overArg(Object.keys, Object),\n nativeMax = Math.max,\n nativeMin = Math.min,\n nativeNow = Date.now,\n nativeParseInt = context.parseInt,\n nativeRandom = Math.random,\n nativeReverse = arrayProto.reverse;\n\n /* Built-in method references that are verified to be native. */\n var DataView = getNative(context, 'DataView'),\n Map = getNative(context, 'Map'),\n Promise = getNative(context, 'Promise'),\n Set = getNative(context, 'Set'),\n WeakMap = getNative(context, 'WeakMap'),\n nativeCreate = getNative(Object, 'create');\n\n /** Used to store function metadata. */\n var metaMap = WeakMap && new WeakMap;\n\n /** Used to lookup unminified function names. */\n var realNames = {};\n\n /** Used to detect maps, sets, and weakmaps. */\n var dataViewCtorString = toSource(DataView),\n mapCtorString = toSource(Map),\n promiseCtorString = toSource(Promise),\n setCtorString = toSource(Set),\n weakMapCtorString = toSource(WeakMap);\n\n /** Used to convert symbols to primitives and strings. */\n var symbolProto = Symbol ? Symbol.prototype : undefined,\n symbolValueOf = symbolProto ? symbolProto.valueOf : undefined,\n symbolToString = symbolProto ? symbolProto.toString : undefined;\n\n /*------------------------------------------------------------------------*/\n\n /**\n * Creates a `lodash` object which wraps `value` to enable implicit method\n * chain sequences. Methods that operate on and return arrays, collections,\n * and functions can be chained together. Methods that retrieve a single value\n * or may return a primitive value will automatically end the chain sequence\n * and return the unwrapped value. Otherwise, the value must be unwrapped\n * with `_#value`.\n *\n * Explicit chain sequences, which must be unwrapped with `_#value`, may be\n * enabled using `_.chain`.\n *\n * The execution of chained methods is lazy, that is, it's deferred until\n * `_#value` is implicitly or explicitly called.\n *\n * Lazy evaluation allows several methods to support shortcut fusion.\n * Shortcut fusion is an optimization to merge iteratee calls; this avoids\n * the creation of intermediate arrays and can greatly reduce the number of\n * iteratee executions. Sections of a chain sequence qualify for shortcut\n * fusion if the section is applied to an array and iteratees accept only\n * one argument. The heuristic for whether a section qualifies for shortcut\n * fusion is subject to change.\n *\n * Chaining is supported in custom builds as long as the `_#value` method is\n * directly or indirectly included in the build.\n *\n * In addition to lodash methods, wrappers have `Array` and `String` methods.\n *\n * The wrapper `Array` methods are:\n * `concat`, `join`, `pop`, `push`, `shift`, `sort`, `splice`, and `unshift`\n *\n * The wrapper `String` methods are:\n * `replace` and `split`\n *\n * The wrapper methods that support shortcut fusion are:\n * `at`, `compact`, `drop`, `dropRight`, `dropWhile`, `filter`, `find`,\n * `findLast`, `head`, `initial`, `last`, `map`, `reject`, `reverse`, `slice`,\n * `tail`, `take`, `takeRight`, `takeRightWhile`, `takeWhile`, and `toArray`\n *\n * The chainable wrapper methods are:\n * `after`, `ary`, `assign`, `assignIn`, `assignInWith`, `assignWith`, `at`,\n * `before`, `bind`, `bindAll`, `bindKey`, `castArray`, `chain`, `chunk`,\n * `commit`, `compact`, `concat`, `conforms`, `constant`, `countBy`, `create`,\n * `curry`, `debounce`, `defaults`, `defaultsDeep`, `defer`, `delay`,\n * `difference`, `differenceBy`, `differenceWith`, `drop`, `dropRight`,\n * `dropRightWhile`, `dropWhile`, `extend`, `extendWith`, `fill`, `filter`,\n * `flatMap`, `flatMapDeep`, `flatMapDepth`, `flatten`, `flattenDeep`,\n * `flattenDepth`, `flip`, `flow`, `flowRight`, `fromPairs`, `functions`,\n * `functionsIn`, `groupBy`, `initial`, `intersection`, `intersectionBy`,\n * `intersectionWith`, `invert`, `invertBy`, `invokeMap`, `iteratee`, `keyBy`,\n * `keys`, `keysIn`, `map`, `mapKeys`, `mapValues`, `matches`, `matchesProperty`,\n * `memoize`, `merge`, `mergeWith`, `method`, `methodOf`, `mixin`, `negate`,\n * `nthArg`, `omit`, `omitBy`, `once`, `orderBy`, `over`, `overArgs`,\n * `overEvery`, `overSome`, `partial`, `partialRight`, `partition`, `pick`,\n * `pickBy`, `plant`, `property`, `propertyOf`, `pull`, `pullAll`, `pullAllBy`,\n * `pullAllWith`, `pullAt`, `push`, `range`, `rangeRight`, `rearg`, `reject`,\n * `remove`, `rest`, `reverse`, `sampleSize`, `set`, `setWith`, `shuffle`,\n * `slice`, `sort`, `sortBy`, `splice`, `spread`, `tail`, `take`, `takeRight`,\n * `takeRightWhile`, `takeWhile`, `tap`, `throttle`, `thru`, `toArray`,\n * `toPairs`, `toPairsIn`, `toPath`, `toPlainObject`, `transform`, `unary`,\n * `union`, `unionBy`, `unionWith`, `uniq`, `uniqBy`, `uniqWith`, `unset`,\n * `unshift`, `unzip`, `unzipWith`, `update`, `updateWith`, `values`,\n * `valuesIn`, `without`, `wrap`, `xor`, `xorBy`, `xorWith`, `zip`,\n * `zipObject`, `zipObjectDeep`, and `zipWith`\n *\n * The wrapper methods that are **not** chainable by default are:\n * `add`, `attempt`, `camelCase`, `capitalize`, `ceil`, `clamp`, `clone`,\n * `cloneDeep`, `cloneDeepWith`, `cloneWith`, `conformsTo`, `deburr`,\n * `defaultTo`, `divide`, `each`, `eachRight`, `endsWith`, `eq`, `escape`,\n * `escapeRegExp`, `every`, `find`, `findIndex`, `findKey`, `findLast`,\n * `findLastIndex`, `findLastKey`, `first`, `floor`, `forEach`, `forEachRight`,\n * `forIn`, `forInRight`, `forOwn`, `forOwnRight`, `get`, `gt`, `gte`, `has`,\n * `hasIn`, `head`, `identity`, `includes`, `indexOf`, `inRange`, `invoke`,\n * `isArguments`, `isArray`, `isArrayBuffer`, `isArrayLike`, `isArrayLikeObject`,\n * `isBoolean`, `isBuffer`, `isDate`, `isElement`, `isEmpty`, `isEqual`,\n * `isEqualWith`, `isError`, `isFinite`, `isFunction`, `isInteger`, `isLength`,\n * `isMap`, `isMatch`, `isMatchWith`, `isNaN`, `isNative`, `isNil`, `isNull`,\n * `isNumber`, `isObject`, `isObjectLike`, `isPlainObject`, `isRegExp`,\n * `isSafeInteger`, `isSet`, `isString`, `isUndefined`, `isTypedArray`,\n * `isWeakMap`, `isWeakSet`, `join`, `kebabCase`, `last`, `lastIndexOf`,\n * `lowerCase`, `lowerFirst`, `lt`, `lte`, `max`, `maxBy`, `mean`, `meanBy`,\n * `min`, `minBy`, `multiply`, `noConflict`, `noop`, `now`, `nth`, `pad`,\n * `padEnd`, `padStart`, `parseInt`, `pop`, `random`, `reduce`, `reduceRight`,\n * `repeat`, `result`, `round`, `runInContext`, `sample`, `shift`, `size`,\n * `snakeCase`, `some`, `sortedIndex`, `sortedIndexBy`, `sortedLastIndex`,\n * `sortedLastIndexBy`, `startCase`, `startsWith`, `stubArray`, `stubFalse`,\n * `stubObject`, `stubString`, `stubTrue`, `subtract`, `sum`, `sumBy`,\n * `template`, `times`, `toFinite`, `toInteger`, `toJSON`, `toLength`,\n * `toLower`, `toNumber`, `toSafeInteger`, `toString`, `toUpper`, `trim`,\n * `trimEnd`, `trimStart`, `truncate`, `unescape`, `uniqueId`, `upperCase`,\n * `upperFirst`, `value`, and `words`\n *\n * @name _\n * @constructor\n * @category Seq\n * @param {*} value The value to wrap in a `lodash` instance.\n * @returns {Object} Returns the new `lodash` wrapper instance.\n * @example\n *\n * function square(n) {\n * return n * n;\n * }\n *\n * var wrapped = _([1, 2, 3]);\n *\n * // Returns an unwrapped value.\n * wrapped.reduce(_.add);\n * // => 6\n *\n * // Returns a wrapped value.\n * var squares = wrapped.map(square);\n *\n * _.isArray(squares);\n * // => false\n *\n * _.isArray(squares.value());\n * // => true\n */\n function lodash(value) {\n if (isObjectLike(value) && !isArray(value) && !(value instanceof LazyWrapper)) {\n if (value instanceof LodashWrapper) {\n return value;\n }\n if (hasOwnProperty.call(value, '__wrapped__')) {\n return wrapperClone(value);\n }\n }\n return new LodashWrapper(value);\n }\n\n /**\n * The base implementation of `_.create` without support for assigning\n * properties to the created object.\n *\n * @private\n * @param {Object} proto The object to inherit from.\n * @returns {Object} Returns the new object.\n */\n var baseCreate = (function() {\n function object() {}\n return function(proto) {\n if (!isObject(proto)) {\n return {};\n }\n if (objectCreate) {\n return objectCreate(proto);\n }\n object.prototype = proto;\n var result = new object;\n object.prototype = undefined;\n return result;\n };\n }());\n\n /**\n * The function whose prototype chain sequence wrappers inherit from.\n *\n * @private\n */\n function baseLodash() {\n // No operation performed.\n }\n\n /**\n * The base constructor for creating `lodash` wrapper objects.\n *\n * @private\n * @param {*} value The value to wrap.\n * @param {boolean} [chainAll] Enable explicit method chain sequences.\n */\n function LodashWrapper(value, chainAll) {\n this.__wrapped__ = value;\n this.__actions__ = [];\n this.__chain__ = !!chainAll;\n this.__index__ = 0;\n this.__values__ = undefined;\n }\n\n /**\n * By default, the template delimiters used by lodash are like those in\n * embedded Ruby (ERB) as well as ES2015 template strings. Change the\n * following template settings to use alternative delimiters.\n *\n * @static\n * @memberOf _\n * @type {Object}\n */\n lodash.templateSettings = {\n\n /**\n * Used to detect `data` property values to be HTML-escaped.\n *\n * @memberOf _.templateSettings\n * @type {RegExp}\n */\n 'escape': reEscape,\n\n /**\n * Used to detect code to be evaluated.\n *\n * @memberOf _.templateSettings\n * @type {RegExp}\n */\n 'evaluate': reEvaluate,\n\n /**\n * Used to detect `data` property values to inject.\n *\n * @memberOf _.templateSettings\n * @type {RegExp}\n */\n 'interpolate': reInterpolate,\n\n /**\n * Used to reference the data object in the template text.\n *\n * @memberOf _.templateSettings\n * @type {string}\n */\n 'variable': '',\n\n /**\n * Used to import variables into the compiled template.\n *\n * @memberOf _.templateSettings\n * @type {Object}\n */\n 'imports': {\n\n /**\n * A reference to the `lodash` function.\n *\n * @memberOf _.templateSettings.imports\n * @type {Function}\n */\n '_': lodash\n }\n };\n\n // Ensure wrappers are instances of `baseLodash`.\n lodash.prototype = baseLodash.prototype;\n lodash.prototype.constructor = lodash;\n\n LodashWrapper.prototype = baseCreate(baseLodash.prototype);\n LodashWrapper.prototype.constructor = LodashWrapper;\n\n /*------------------------------------------------------------------------*/\n\n /**\n * Creates a lazy wrapper object which wraps `value` to enable lazy evaluation.\n *\n * @private\n * @constructor\n * @param {*} value The value to wrap.\n */\n function LazyWrapper(value) {\n this.__wrapped__ = value;\n this.__actions__ = [];\n this.__dir__ = 1;\n this.__filtered__ = false;\n this.__iteratees__ = [];\n this.__takeCount__ = MAX_ARRAY_LENGTH;\n this.__views__ = [];\n }\n\n /**\n * Creates a clone of the lazy wrapper object.\n *\n * @private\n * @name clone\n * @memberOf LazyWrapper\n * @returns {Object} Returns the cloned `LazyWrapper` object.\n */\n function lazyClone() {\n var result = new LazyWrapper(this.__wrapped__);\n result.__actions__ = copyArray(this.__actions__);\n result.__dir__ = this.__dir__;\n result.__filtered__ = this.__filtered__;\n result.__iteratees__ = copyArray(this.__iteratees__);\n result.__takeCount__ = this.__takeCount__;\n result.__views__ = copyArray(this.__views__);\n return result;\n }\n\n /**\n * Reverses the direction of lazy iteration.\n *\n * @private\n * @name reverse\n * @memberOf LazyWrapper\n * @returns {Object} Returns the new reversed `LazyWrapper` object.\n */\n function lazyReverse() {\n if (this.__filtered__) {\n var result = new LazyWrapper(this);\n result.__dir__ = -1;\n result.__filtered__ = true;\n } else {\n result = this.clone();\n result.__dir__ *= -1;\n }\n return result;\n }\n\n /**\n * Extracts the unwrapped value from its lazy wrapper.\n *\n * @private\n * @name value\n * @memberOf LazyWrapper\n * @returns {*} Returns the unwrapped value.\n */\n function lazyValue() {\n var array = this.__wrapped__.value(),\n dir = this.__dir__,\n isArr = isArray(array),\n isRight = dir < 0,\n arrLength = isArr ? array.length : 0,\n view = getView(0, arrLength, this.__views__),\n start = view.start,\n end = view.end,\n length = end - start,\n index = isRight ? end : (start - 1),\n iteratees = this.__iteratees__,\n iterLength = iteratees.length,\n resIndex = 0,\n takeCount = nativeMin(length, this.__takeCount__);\n\n if (!isArr || (!isRight && arrLength == length && takeCount == length)) {\n return baseWrapperValue(array, this.__actions__);\n }\n var result = [];\n\n outer:\n while (length-- && resIndex < takeCount) {\n index += dir;\n\n var iterIndex = -1,\n value = array[index];\n\n while (++iterIndex < iterLength) {\n var data = iteratees[iterIndex],\n iteratee = data.iteratee,\n type = data.type,\n computed = iteratee(value);\n\n if (type == LAZY_MAP_FLAG) {\n value = computed;\n } else if (!computed) {\n if (type == LAZY_FILTER_FLAG) {\n continue outer;\n } else {\n break outer;\n }\n }\n }\n result[resIndex++] = value;\n }\n return result;\n }\n\n // Ensure `LazyWrapper` is an instance of `baseLodash`.\n LazyWrapper.prototype = baseCreate(baseLodash.prototype);\n LazyWrapper.prototype.constructor = LazyWrapper;\n\n /*------------------------------------------------------------------------*/\n\n /**\n * Creates a hash object.\n *\n * @private\n * @constructor\n * @param {Array} [entries] The key-value pairs to cache.\n */\n function Hash(entries) {\n var index = -1,\n length = entries == null ? 0 : entries.length;\n\n this.clear();\n while (++index < length) {\n var entry = entries[index];\n this.set(entry[0], entry[1]);\n }\n }\n\n /**\n * Removes all key-value entries from the hash.\n *\n * @private\n * @name clear\n * @memberOf Hash\n */\n function hashClear() {\n this.__data__ = nativeCreate ? nativeCreate(null) : {};\n this.size = 0;\n }\n\n /**\n * Removes `key` and its value from the hash.\n *\n * @private\n * @name delete\n * @memberOf Hash\n * @param {Object} hash The hash to modify.\n * @param {string} key The key of the value to remove.\n * @returns {boolean} Returns `true` if the entry was removed, else `false`.\n */\n function hashDelete(key) {\n var result = this.has(key) && delete this.__data__[key];\n this.size -= result ? 1 : 0;\n return result;\n }\n\n /**\n * Gets the hash value for `key`.\n *\n * @private\n * @name get\n * @memberOf Hash\n * @param {string} key The key of the value to get.\n * @returns {*} Returns the entry value.\n */\n function hashGet(key) {\n var data = this.__data__;\n if (nativeCreate) {\n var result = data[key];\n return result === HASH_UNDEFINED ? undefined : result;\n }\n return hasOwnProperty.call(data, key) ? data[key] : undefined;\n }\n\n /**\n * Checks if a hash value for `key` exists.\n *\n * @private\n * @name has\n * @memberOf Hash\n * @param {string} key The key of the entry to check.\n * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.\n */\n function hashHas(key) {\n var data = this.__data__;\n return nativeCreate ? (data[key] !== undefined) : hasOwnProperty.call(data, key);\n }\n\n /**\n * Sets the hash `key` to `value`.\n *\n * @private\n * @name set\n * @memberOf Hash\n * @param {string} key The key of the value to set.\n * @param {*} value The value to set.\n * @returns {Object} Returns the hash instance.\n */\n function hashSet(key, value) {\n var data = this.__data__;\n this.size += this.has(key) ? 0 : 1;\n data[key] = (nativeCreate && value === undefined) ? HASH_UNDEFINED : value;\n return this;\n }\n\n // Add methods to `Hash`.\n Hash.prototype.clear = hashClear;\n Hash.prototype['delete'] = hashDelete;\n Hash.prototype.get = hashGet;\n Hash.prototype.has = hashHas;\n Hash.prototype.set = hashSet;\n\n /*------------------------------------------------------------------------*/\n\n /**\n * Creates an list cache object.\n *\n * @private\n * @constructor\n * @param {Array} [entries] The key-value pairs to cache.\n */\n function ListCache(entries) {\n var index = -1,\n length = entries == null ? 0 : entries.length;\n\n this.clear();\n while (++index < length) {\n var entry = entries[index];\n this.set(entry[0], entry[1]);\n }\n }\n\n /**\n * Removes all key-value entries from the list cache.\n *\n * @private\n * @name clear\n * @memberOf ListCache\n */\n function listCacheClear() {\n this.__data__ = [];\n this.size = 0;\n }\n\n /**\n * Removes `key` and its value from the list cache.\n *\n * @private\n * @name delete\n * @memberOf ListCache\n * @param {string} key The key of the value to remove.\n * @returns {boolean} Returns `true` if the entry was removed, else `false`.\n */\n function listCacheDelete(key) {\n var data = this.__data__,\n index = assocIndexOf(data, key);\n\n if (index < 0) {\n return false;\n }\n var lastIndex = data.length - 1;\n if (index == lastIndex) {\n data.pop();\n } else {\n splice.call(data, index, 1);\n }\n --this.size;\n return true;\n }\n\n /**\n * Gets the list cache value for `key`.\n *\n * @private\n * @name get\n * @memberOf ListCache\n * @param {string} key The key of the value to get.\n * @returns {*} Returns the entry value.\n */\n function listCacheGet(key) {\n var data = this.__data__,\n index = assocIndexOf(data, key);\n\n return index < 0 ? undefined : data[index][1];\n }\n\n /**\n * Checks if a list cache value for `key` exists.\n *\n * @private\n * @name has\n * @memberOf ListCache\n * @param {string} key The key of the entry to check.\n * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.\n */\n function listCacheHas(key) {\n return assocIndexOf(this.__data__, key) > -1;\n }\n\n /**\n * Sets the list cache `key` to `value`.\n *\n * @private\n * @name set\n * @memberOf ListCache\n * @param {string} key The key of the value to set.\n * @param {*} value The value to set.\n * @returns {Object} Returns the list cache instance.\n */\n function listCacheSet(key, value) {\n var data = this.__data__,\n index = assocIndexOf(data, key);\n\n if (index < 0) {\n ++this.size;\n data.push([key, value]);\n } else {\n data[index][1] = value;\n }\n return this;\n }\n\n // Add methods to `ListCache`.\n ListCache.prototype.clear = listCacheClear;\n ListCache.prototype['delete'] = listCacheDelete;\n ListCache.prototype.get = listCacheGet;\n ListCache.prototype.has = listCacheHas;\n ListCache.prototype.set = listCacheSet;\n\n /*------------------------------------------------------------------------*/\n\n /**\n * Creates a map cache object to store key-value pairs.\n *\n * @private\n * @constructor\n * @param {Array} [entries] The key-value pairs to cache.\n */\n function MapCache(entries) {\n var index = -1,\n length = entries == null ? 0 : entries.length;\n\n this.clear();\n while (++index < length) {\n var entry = entries[index];\n this.set(entry[0], entry[1]);\n }\n }\n\n /**\n * Removes all key-value entries from the map.\n *\n * @private\n * @name clear\n * @memberOf MapCache\n */\n function mapCacheClear() {\n this.size = 0;\n this.__data__ = {\n 'hash': new Hash,\n 'map': new (Map || ListCache),\n 'string': new Hash\n };\n }\n\n /**\n * Removes `key` and its value from the map.\n *\n * @private\n * @name delete\n * @memberOf MapCache\n * @param {string} key The key of the value to remove.\n * @returns {boolean} Returns `true` if the entry was removed, else `false`.\n */\n function mapCacheDelete(key) {\n var result = getMapData(this, key)['delete'](key);\n this.size -= result ? 1 : 0;\n return result;\n }\n\n /**\n * Gets the map value for `key`.\n *\n * @private\n * @name get\n * @memberOf MapCache\n * @param {string} key The key of the value to get.\n * @returns {*} Returns the entry value.\n */\n function mapCacheGet(key) {\n return getMapData(this, key).get(key);\n }\n\n /**\n * Checks if a map value for `key` exists.\n *\n * @private\n * @name has\n * @memberOf MapCache\n * @param {string} key The key of the entry to check.\n * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.\n */\n function mapCacheHas(key) {\n return getMapData(this, key).has(key);\n }\n\n /**\n * Sets the map `key` to `value`.\n *\n * @private\n * @name set\n * @memberOf MapCache\n * @param {string} key The key of the value to set.\n * @param {*} value The value to set.\n * @returns {Object} Returns the map cache instance.\n */\n function mapCacheSet(key, value) {\n var data = getMapData(this, key),\n size = data.size;\n\n data.set(key, value);\n this.size += data.size == size ? 0 : 1;\n return this;\n }\n\n // Add methods to `MapCache`.\n MapCache.prototype.clear = mapCacheClear;\n MapCache.prototype['delete'] = mapCacheDelete;\n MapCache.prototype.get = mapCacheGet;\n MapCache.prototype.has = mapCacheHas;\n MapCache.prototype.set = mapCacheSet;\n\n /*------------------------------------------------------------------------*/\n\n /**\n *\n * Creates an array cache object to store unique values.\n *\n * @private\n * @constructor\n * @param {Array} [values] The values to cache.\n */\n function SetCache(values) {\n var index = -1,\n length = values == null ? 0 : values.length;\n\n this.__data__ = new MapCache;\n while (++index < length) {\n this.add(values[index]);\n }\n }\n\n /**\n * Adds `value` to the array cache.\n *\n * @private\n * @name add\n * @memberOf SetCache\n * @alias push\n * @param {*} value The value to cache.\n * @returns {Object} Returns the cache instance.\n */\n function setCacheAdd(value) {\n this.__data__.set(value, HASH_UNDEFINED);\n return this;\n }\n\n /**\n * Checks if `value` is in the array cache.\n *\n * @private\n * @name has\n * @memberOf SetCache\n * @param {*} value The value to search for.\n * @returns {number} Returns `true` if `value` is found, else `false`.\n */\n function setCacheHas(value) {\n return this.__data__.has(value);\n }\n\n // Add methods to `SetCache`.\n SetCache.prototype.add = SetCache.prototype.push = setCacheAdd;\n SetCache.prototype.has = setCacheHas;\n\n /*------------------------------------------------------------------------*/\n\n /**\n * Creates a stack cache object to store key-value pairs.\n *\n * @private\n * @constructor\n * @param {Array} [entries] The key-value pairs to cache.\n */\n function Stack(entries) {\n var data = this.__data__ = new ListCache(entries);\n this.size = data.size;\n }\n\n /**\n * Removes all key-value entries from the stack.\n *\n * @private\n * @name clear\n * @memberOf Stack\n */\n function stackClear() {\n this.__data__ = new ListCache;\n this.size = 0;\n }\n\n /**\n * Removes `key` and its value from the stack.\n *\n * @private\n * @name delete\n * @memberOf Stack\n * @param {string} key The key of the value to remove.\n * @returns {boolean} Returns `true` if the entry was removed, else `false`.\n */\n function stackDelete(key) {\n var data = this.__data__,\n result = data['delete'](key);\n\n this.size = data.size;\n return result;\n }\n\n /**\n * Gets the stack value for `key`.\n *\n * @private\n * @name get\n * @memberOf Stack\n * @param {string} key The key of the value to get.\n * @returns {*} Returns the entry value.\n */\n function stackGet(key) {\n return this.__data__.get(key);\n }\n\n /**\n * Checks if a stack value for `key` exists.\n *\n * @private\n * @name has\n * @memberOf Stack\n * @param {string} key The key of the entry to check.\n * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.\n */\n function stackHas(key) {\n return this.__data__.has(key);\n }\n\n /**\n * Sets the stack `key` to `value`.\n *\n * @private\n * @name set\n * @memberOf Stack\n * @param {string} key The key of the value to set.\n * @param {*} value The value to set.\n * @returns {Object} Returns the stack cache instance.\n */\n function stackSet(key, value) {\n var data = this.__data__;\n if (data instanceof ListCache) {\n var pairs = data.__data__;\n if (!Map || (pairs.length < LARGE_ARRAY_SIZE - 1)) {\n pairs.push([key, value]);\n this.size = ++data.size;\n return this;\n }\n data = this.__data__ = new MapCache(pairs);\n }\n data.set(key, value);\n this.size = data.size;\n return this;\n }\n\n // Add methods to `Stack`.\n Stack.prototype.clear = stackClear;\n Stack.prototype['delete'] = stackDelete;\n Stack.prototype.get = stackGet;\n Stack.prototype.has = stackHas;\n Stack.prototype.set = stackSet;\n\n /*------------------------------------------------------------------------*/\n\n /**\n * Creates an array of the enumerable property names of the array-like `value`.\n *\n * @private\n * @param {*} value The value to query.\n * @param {boolean} inherited Specify returning inherited property names.\n * @returns {Array} Returns the array of property names.\n */\n function arrayLikeKeys(value, inherited) {\n var isArr = isArray(value),\n isArg = !isArr && isArguments(value),\n isBuff = !isArr && !isArg && isBuffer(value),\n isType = !isArr && !isArg && !isBuff && isTypedArray(value),\n skipIndexes = isArr || isArg || isBuff || isType,\n result = skipIndexes ? baseTimes(value.length, String) : [],\n length = result.length;\n\n for (var key in value) {\n if ((inherited || hasOwnProperty.call(value, key)) &&\n !(skipIndexes && (\n // Safari 9 has enumerable `arguments.length` in strict mode.\n key == 'length' ||\n // Node.js 0.10 has enumerable non-index properties on buffers.\n (isBuff && (key == 'offset' || key == 'parent')) ||\n // PhantomJS 2 has enumerable non-index properties on typed arrays.\n (isType && (key == 'buffer' || key == 'byteLength' || key == 'byteOffset')) ||\n // Skip index properties.\n isIndex(key, length)\n ))) {\n result.push(key);\n }\n }\n return result;\n }\n\n /**\n * A specialized version of `_.sample` for arrays.\n *\n * @private\n * @param {Array} array The array to sample.\n * @returns {*} Returns the random element.\n */\n function arraySample(array) {\n var length = array.length;\n return length ? array[baseRandom(0, length - 1)] : undefined;\n }\n\n /**\n * A specialized version of `_.sampleSize` for arrays.\n *\n * @private\n * @param {Array} array The array to sample.\n * @param {number} n The number of elements to sample.\n * @returns {Array} Returns the random elements.\n */\n function arraySampleSize(array, n) {\n return shuffleSelf(copyArray(array), baseClamp(n, 0, array.length));\n }\n\n /**\n * A specialized version of `_.shuffle` for arrays.\n *\n * @private\n * @param {Array} array The array to shuffle.\n * @returns {Array} Returns the new shuffled array.\n */\n function arrayShuffle(array) {\n return shuffleSelf(copyArray(array));\n }\n\n /**\n * This function is like `assignValue` except that it doesn't assign\n * `undefined` values.\n *\n * @private\n * @param {Object} object The object to modify.\n * @param {string} key The key of the property to assign.\n * @param {*} value The value to assign.\n */\n function assignMergeValue(object, key, value) {\n if ((value !== undefined && !eq(object[key], value)) ||\n (value === undefined && !(key in object))) {\n baseAssignValue(object, key, value);\n }\n }\n\n /**\n * Assigns `value` to `key` of `object` if the existing value is not equivalent\n * using [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)\n * for equality comparisons.\n *\n * @private\n * @param {Object} object The object to modify.\n * @param {string} key The key of the property to assign.\n * @param {*} value The value to assign.\n */\n function assignValue(object, key, value) {\n var objValue = object[key];\n if (!(hasOwnProperty.call(object, key) && eq(objValue, value)) ||\n (value === undefined && !(key in object))) {\n baseAssignValue(object, key, value);\n }\n }\n\n /**\n * Gets the index at which the `key` is found in `array` of key-value pairs.\n *\n * @private\n * @param {Array} array The array to inspect.\n * @param {*} key The key to search for.\n * @returns {number} Returns the index of the matched value, else `-1`.\n */\n function assocIndexOf(array, key) {\n var length = array.length;\n while (length--) {\n if (eq(array[length][0], key)) {\n return length;\n }\n }\n return -1;\n }\n\n /**\n * Aggregates elements of `collection` on `accumulator` with keys transformed\n * by `iteratee` and values set by `setter`.\n *\n * @private\n * @param {Array|Object} collection The collection to iterate over.\n * @param {Function} setter The function to set `accumulator` values.\n * @param {Function} iteratee The iteratee to transform keys.\n * @param {Object} accumulator The initial aggregated object.\n * @returns {Function} Returns `accumulator`.\n */\n function baseAggregator(collection, setter, iteratee, accumulator) {\n baseEach(collection, function(value, key, collection) {\n setter(accumulator, value, iteratee(value), collection);\n });\n return accumulator;\n }\n\n /**\n * The base implementation of `_.assign` without support for multiple sources\n * or `customizer` functions.\n *\n * @private\n * @param {Object} object The destination object.\n * @param {Object} source The source object.\n * @returns {Object} Returns `object`.\n */\n function baseAssign(object, source) {\n return object && copyObject(source, keys(source), object);\n }\n\n /**\n * The base implementation of `_.assignIn` without support for multiple sources\n * or `customizer` functions.\n *\n * @private\n * @param {Object} object The destination object.\n * @param {Object} source The source object.\n * @returns {Object} Returns `object`.\n */\n function baseAssignIn(object, source) {\n return object && copyObject(source, keysIn(source), object);\n }\n\n /**\n * The base implementation of `assignValue` and `assignMergeValue` without\n * value checks.\n *\n * @private\n * @param {Object} object The object to modify.\n * @param {string} key The key of the property to assign.\n * @param {*} value The value to assign.\n */\n function baseAssignValue(object, key, value) {\n if (key == '__proto__' && defineProperty) {\n defineProperty(object, key, {\n 'configurable': true,\n 'enumerable': true,\n 'value': value,\n 'writable': true\n });\n } else {\n object[key] = value;\n }\n }\n\n /**\n * The base implementation of `_.at` without support for individual paths.\n *\n * @private\n * @param {Object} object The object to iterate over.\n * @param {string[]} paths The property paths to pick.\n * @returns {Array} Returns the picked elements.\n */\n function baseAt(object, paths) {\n var index = -1,\n length = paths.length,\n result = Array(length),\n skip = object == null;\n\n while (++index < length) {\n result[index] = skip ? undefined : get(object, paths[index]);\n }\n return result;\n }\n\n /**\n * The base implementation of `_.clamp` which doesn't coerce arguments.\n *\n * @private\n * @param {number} number The number to clamp.\n * @param {number} [lower] The lower bound.\n * @param {number} upper The upper bound.\n * @returns {number} Returns the clamped number.\n */\n function baseClamp(number, lower, upper) {\n if (number === number) {\n if (upper !== undefined) {\n number = number <= upper ? number : upper;\n }\n if (lower !== undefined) {\n number = number >= lower ? number : lower;\n }\n }\n return number;\n }\n\n /**\n * The base implementation of `_.clone` and `_.cloneDeep` which tracks\n * traversed objects.\n *\n * @private\n * @param {*} value The value to clone.\n * @param {boolean} bitmask The bitmask flags.\n * 1 - Deep clone\n * 2 - Flatten inherited properties\n * 4 - Clone symbols\n * @param {Function} [customizer] The function to customize cloning.\n * @param {string} [key] The key of `value`.\n * @param {Object} [object] The parent object of `value`.\n * @param {Object} [stack] Tracks traversed objects and their clone counterparts.\n * @returns {*} Returns the cloned value.\n */\n function baseClone(value, bitmask, customizer, key, object, stack) {\n var result,\n isDeep = bitmask & CLONE_DEEP_FLAG,\n isFlat = bitmask & CLONE_FLAT_FLAG,\n isFull = bitmask & CLONE_SYMBOLS_FLAG;\n\n if (customizer) {\n result = object ? customizer(value, key, object, stack) : customizer(value);\n }\n if (result !== undefined) {\n return result;\n }\n if (!isObject(value)) {\n return value;\n }\n var isArr = isArray(value);\n if (isArr) {\n result = initCloneArray(value);\n if (!isDeep) {\n return copyArray(value, result);\n }\n } else {\n var tag = getTag(value),\n isFunc = tag == funcTag || tag == genTag;\n\n if (isBuffer(value)) {\n return cloneBuffer(value, isDeep);\n }\n if (tag == objectTag || tag == argsTag || (isFunc && !object)) {\n result = (isFlat || isFunc) ? {} : initCloneObject(value);\n if (!isDeep) {\n return isFlat\n ? copySymbolsIn(value, baseAssignIn(result, value))\n : copySymbols(value, baseAssign(result, value));\n }\n } else {\n if (!cloneableTags[tag]) {\n return object ? value : {};\n }\n result = initCloneByTag(value, tag, isDeep);\n }\n }\n // Check for circular references and return its corresponding clone.\n stack || (stack = new Stack);\n var stacked = stack.get(value);\n if (stacked) {\n return stacked;\n }\n stack.set(value, result);\n\n if (isSet(value)) {\n value.forEach(function(subValue) {\n result.add(baseClone(subValue, bitmask, customizer, subValue, value, stack));\n });\n } else if (isMap(value)) {\n value.forEach(function(subValue, key) {\n result.set(key, baseClone(subValue, bitmask, customizer, key, value, stack));\n });\n }\n\n var keysFunc = isFull\n ? (isFlat ? getAllKeysIn : getAllKeys)\n : (isFlat ? keysIn : keys);\n\n var props = isArr ? undefined : keysFunc(value);\n arrayEach(props || value, function(subValue, key) {\n if (props) {\n key = subValue;\n subValue = value[key];\n }\n // Recursively populate clone (susceptible to call stack limits).\n assignValue(result, key, baseClone(subValue, bitmask, customizer, key, value, stack));\n });\n return result;\n }\n\n /**\n * The base implementation of `_.conforms` which doesn't clone `source`.\n *\n * @private\n * @param {Object} source The object of property predicates to conform to.\n * @returns {Function} Returns the new spec function.\n */\n function baseConforms(source) {\n var props = keys(source);\n return function(object) {\n return baseConformsTo(object, source, props);\n };\n }\n\n /**\n * The base implementation of `_.conformsTo` which accepts `props` to check.\n *\n * @private\n * @param {Object} object The object to inspect.\n * @param {Object} source The object of property predicates to conform to.\n * @returns {boolean} Returns `true` if `object` conforms, else `false`.\n */\n function baseConformsTo(object, source, props) {\n var length = props.length;\n if (object == null) {\n return !length;\n }\n object = Object(object);\n while (length--) {\n var key = props[length],\n predicate = source[key],\n value = object[key];\n\n if ((value === undefined && !(key in object)) || !predicate(value)) {\n return false;\n }\n }\n return true;\n }\n\n /**\n * The base implementation of `_.delay` and `_.defer` which accepts `args`\n * to provide to `func`.\n *\n * @private\n * @param {Function} func The function to delay.\n * @param {number} wait The number of milliseconds to delay invocation.\n * @param {Array} args The arguments to provide to `func`.\n * @returns {number|Object} Returns the timer id or timeout object.\n */\n function baseDelay(func, wait, args) {\n if (typeof func != 'function') {\n throw new TypeError(FUNC_ERROR_TEXT);\n }\n return setTimeout(function() { func.apply(undefined, args); }, wait);\n }\n\n /**\n * The base implementation of methods like `_.difference` without support\n * for excluding multiple arrays or iteratee shorthands.\n *\n * @private\n * @param {Array} array The array to inspect.\n * @param {Array} values The values to exclude.\n * @param {Function} [iteratee] The iteratee invoked per element.\n * @param {Function} [comparator] The comparator invoked per element.\n * @returns {Array} Returns the new array of filtered values.\n */\n function baseDifference(array, values, iteratee, comparator) {\n var index = -1,\n includes = arrayIncludes,\n isCommon = true,\n length = array.length,\n result = [],\n valuesLength = values.length;\n\n if (!length) {\n return result;\n }\n if (iteratee) {\n values = arrayMap(values, baseUnary(iteratee));\n }\n if (comparator) {\n includes = arrayIncludesWith;\n isCommon = false;\n }\n else if (values.length >= LARGE_ARRAY_SIZE) {\n includes = cacheHas;\n isCommon = false;\n values = new SetCache(values);\n }\n outer:\n while (++index < length) {\n var value = array[index],\n computed = iteratee == null ? value : iteratee(value);\n\n value = (comparator || value !== 0) ? value : 0;\n if (isCommon && computed === computed) {\n var valuesIndex = valuesLength;\n while (valuesIndex--) {\n if (values[valuesIndex] === computed) {\n continue outer;\n }\n }\n result.push(value);\n }\n else if (!includes(values, computed, comparator)) {\n result.push(value);\n }\n }\n return result;\n }\n\n /**\n * The base implementation of `_.forEach` without support for iteratee shorthands.\n *\n * @private\n * @param {Array|Object} collection The collection to iterate over.\n * @param {Function} iteratee The function invoked per iteration.\n * @returns {Array|Object} Returns `collection`.\n */\n var baseEach = createBaseEach(baseForOwn);\n\n /**\n * The base implementation of `_.forEachRight` without support for iteratee shorthands.\n *\n * @private\n * @param {Array|Object} collection The collection to iterate over.\n * @param {Function} iteratee The function invoked per iteration.\n * @returns {Array|Object} Returns `collection`.\n */\n var baseEachRight = createBaseEach(baseForOwnRight, true);\n\n /**\n * The base implementation of `_.every` without support for iteratee shorthands.\n *\n * @private\n * @param {Array|Object} collection The collection to iterate over.\n * @param {Function} predicate The function invoked per iteration.\n * @returns {boolean} Returns `true` if all elements pass the predicate check,\n * else `false`\n */\n function baseEvery(collection, predicate) {\n var result = true;\n baseEach(collection, function(value, index, collection) {\n result = !!predicate(value, index, collection);\n return result;\n });\n return result;\n }\n\n /**\n * The base implementation of methods like `_.max` and `_.min` which accepts a\n * `comparator` to determine the extremum value.\n *\n * @private\n * @param {Array} array The array to iterate over.\n * @param {Function} iteratee The iteratee invoked per iteration.\n * @param {Function} comparator The comparator used to compare values.\n * @returns {*} Returns the extremum value.\n */\n function baseExtremum(array, iteratee, comparator) {\n var index = -1,\n length = array.length;\n\n while (++index < length) {\n var value = array[index],\n current = iteratee(value);\n\n if (current != null && (computed === undefined\n ? (current === current && !isSymbol(current))\n : comparator(current, computed)\n )) {\n var computed = current,\n result = value;\n }\n }\n return result;\n }\n\n /**\n * The base implementation of `_.fill` without an iteratee call guard.\n *\n * @private\n * @param {Array} array The array to fill.\n * @param {*} value The value to fill `array` with.\n * @param {number} [start=0] The start position.\n * @param {number} [end=array.length] The end position.\n * @returns {Array} Returns `array`.\n */\n function baseFill(array, value, start, end) {\n var length = array.length;\n\n start = toInteger(start);\n if (start < 0) {\n start = -start > length ? 0 : (length + start);\n }\n end = (end === undefined || end > length) ? length : toInteger(end);\n if (end < 0) {\n end += length;\n }\n end = start > end ? 0 : toLength(end);\n while (start < end) {\n array[start++] = value;\n }\n return array;\n }\n\n /**\n * The base implementation of `_.filter` without support for iteratee shorthands.\n *\n * @private\n * @param {Array|Object} collection The collection to iterate over.\n * @param {Function} predicate The function invoked per iteration.\n * @returns {Array} Returns the new filtered array.\n */\n function baseFilter(collection, predicate) {\n var result = [];\n baseEach(collection, function(value, index, collection) {\n if (predicate(value, index, collection)) {\n result.push(value);\n }\n });\n return result;\n }\n\n /**\n * The base implementation of `_.flatten` with support for restricting flattening.\n *\n * @private\n * @param {Array} array The array to flatten.\n * @param {number} depth The maximum recursion depth.\n * @param {boolean} [predicate=isFlattenable] The function invoked per iteration.\n * @param {boolean} [isStrict] Restrict to values that pass `predicate` checks.\n * @param {Array} [result=[]] The initial result value.\n * @returns {Array} Returns the new flattened array.\n */\n function baseFlatten(array, depth, predicate, isStrict, result) {\n var index = -1,\n length = array.length;\n\n predicate || (predicate = isFlattenable);\n result || (result = []);\n\n while (++index < length) {\n var value = array[index];\n if (depth > 0 && predicate(value)) {\n if (depth > 1) {\n // Recursively flatten arrays (susceptible to call stack limits).\n baseFlatten(value, depth - 1, predicate, isStrict, result);\n } else {\n arrayPush(result, value);\n }\n } else if (!isStrict) {\n result[result.length] = value;\n }\n }\n return result;\n }\n\n /**\n * The base implementation of `baseForOwn` which iterates over `object`\n * properties returned by `keysFunc` and invokes `iteratee` for each property.\n * Iteratee functions may exit iteration early by explicitly returning `false`.\n *\n * @private\n * @param {Object} object The object to iterate over.\n * @param {Function} iteratee The function invoked per iteration.\n * @param {Function} keysFunc The function to get the keys of `object`.\n * @returns {Object} Returns `object`.\n */\n var baseFor = createBaseFor();\n\n /**\n * This function is like `baseFor` except that it iterates over properties\n * in the opposite order.\n *\n * @private\n * @param {Object} object The object to iterate over.\n * @param {Function} iteratee The function invoked per iteration.\n * @param {Function} keysFunc The function to get the keys of `object`.\n * @returns {Object} Returns `object`.\n */\n var baseForRight = createBaseFor(true);\n\n /**\n * The base implementation of `_.forOwn` without support for iteratee shorthands.\n *\n * @private\n * @param {Object} object The object to iterate over.\n * @param {Function} iteratee The function invoked per iteration.\n * @returns {Object} Returns `object`.\n */\n function baseForOwn(object, iteratee) {\n return object && baseFor(object, iteratee, keys);\n }\n\n /**\n * The base implementation of `_.forOwnRight` without support for iteratee shorthands.\n *\n * @private\n * @param {Object} object The object to iterate over.\n * @param {Function} iteratee The function invoked per iteration.\n * @returns {Object} Returns `object`.\n */\n function baseForOwnRight(object, iteratee) {\n return object && baseForRight(object, iteratee, keys);\n }\n\n /**\n * The base implementation of `_.functions` which creates an array of\n * `object` function property names filtered from `props`.\n *\n * @private\n * @param {Object} object The object to inspect.\n * @param {Array} props The property names to filter.\n * @returns {Array} Returns the function names.\n */\n function baseFunctions(object, props) {\n return arrayFilter(props, function(key) {\n return isFunction(object[key]);\n });\n }\n\n /**\n * The base implementation of `_.get` without support for default values.\n *\n * @private\n * @param {Object} object The object to query.\n * @param {Array|string} path The path of the property to get.\n * @returns {*} Returns the resolved value.\n */\n function baseGet(object, path) {\n path = castPath(path, object);\n\n var index = 0,\n length = path.length;\n\n while (object != null && index < length) {\n object = object[toKey(path[index++])];\n }\n return (index && index == length) ? object : undefined;\n }\n\n /**\n * The base implementation of `getAllKeys` and `getAllKeysIn` which uses\n * `keysFunc` and `symbolsFunc` to get the enumerable property names and\n * symbols of `object`.\n *\n * @private\n * @param {Object} object The object to query.\n * @param {Function} keysFunc The function to get the keys of `object`.\n * @param {Function} symbolsFunc The function to get the symbols of `object`.\n * @returns {Array} Returns the array of property names and symbols.\n */\n function baseGetAllKeys(object, keysFunc, symbolsFunc) {\n var result = keysFunc(object);\n return isArray(object) ? result : arrayPush(result, symbolsFunc(object));\n }\n\n /**\n * The base implementation of `getTag` without fallbacks for buggy environments.\n *\n * @private\n * @param {*} value The value to query.\n * @returns {string} Returns the `toStringTag`.\n */\n function baseGetTag(value) {\n if (value == null) {\n return value === undefined ? undefinedTag : nullTag;\n }\n return (symToStringTag && symToStringTag in Object(value))\n ? getRawTag(value)\n : objectToString(value);\n }\n\n /**\n * The base implementation of `_.gt` which doesn't coerce arguments.\n *\n * @private\n * @param {*} value The value to compare.\n * @param {*} other The other value to compare.\n * @returns {boolean} Returns `true` if `value` is greater than `other`,\n * else `false`.\n */\n function baseGt(value, other) {\n return value > other;\n }\n\n /**\n * The base implementation of `_.has` without support for deep paths.\n *\n * @private\n * @param {Object} [object] The object to query.\n * @param {Array|string} key The key to check.\n * @returns {boolean} Returns `true` if `key` exists, else `false`.\n */\n function baseHas(object, key) {\n return object != null && hasOwnProperty.call(object, key);\n }\n\n /**\n * The base implementation of `_.hasIn` without support for deep paths.\n *\n * @private\n * @param {Object} [object] The object to query.\n * @param {Array|string} key The key to check.\n * @returns {boolean} Returns `true` if `key` exists, else `false`.\n */\n function baseHasIn(object, key) {\n return object != null && key in Object(object);\n }\n\n /**\n * The base implementation of `_.inRange` which doesn't coerce arguments.\n *\n * @private\n * @param {number} number The number to check.\n * @param {number} start The start of the range.\n * @param {number} end The end of the range.\n * @returns {boolean} Returns `true` if `number` is in the range, else `false`.\n */\n function baseInRange(number, start, end) {\n return number >= nativeMin(start, end) && number < nativeMax(start, end);\n }\n\n /**\n * The base implementation of methods like `_.intersection`, without support\n * for iteratee shorthands, that accepts an array of arrays to inspect.\n *\n * @private\n * @param {Array} arrays The arrays to inspect.\n * @param {Function} [iteratee] The iteratee invoked per element.\n * @param {Function} [comparator] The comparator invoked per element.\n * @returns {Array} Returns the new array of shared values.\n */\n function baseIntersection(arrays, iteratee, comparator) {\n var includes = comparator ? arrayIncludesWith : arrayIncludes,\n length = arrays[0].length,\n othLength = arrays.length,\n othIndex = othLength,\n caches = Array(othLength),\n maxLength = Infinity,\n result = [];\n\n while (othIndex--) {\n var array = arrays[othIndex];\n if (othIndex && iteratee) {\n array = arrayMap(array, baseUnary(iteratee));\n }\n maxLength = nativeMin(array.length, maxLength);\n caches[othIndex] = !comparator && (iteratee || (length >= 120 && array.length >= 120))\n ? new SetCache(othIndex && array)\n : undefined;\n }\n array = arrays[0];\n\n var index = -1,\n seen = caches[0];\n\n outer:\n while (++index < length && result.length < maxLength) {\n var value = array[index],\n computed = iteratee ? iteratee(value) : value;\n\n value = (comparator || value !== 0) ? value : 0;\n if (!(seen\n ? cacheHas(seen, computed)\n : includes(result, computed, comparator)\n )) {\n othIndex = othLength;\n while (--othIndex) {\n var cache = caches[othIndex];\n if (!(cache\n ? cacheHas(cache, computed)\n : includes(arrays[othIndex], computed, comparator))\n ) {\n continue outer;\n }\n }\n if (seen) {\n seen.push(computed);\n }\n result.push(value);\n }\n }\n return result;\n }\n\n /**\n * The base implementation of `_.invert` and `_.invertBy` which inverts\n * `object` with values transformed by `iteratee` and set by `setter`.\n *\n * @private\n * @param {Object} object The object to iterate over.\n * @param {Function} setter The function to set `accumulator` values.\n * @param {Function} iteratee The iteratee to transform values.\n * @param {Object} accumulator The initial inverted object.\n * @returns {Function} Returns `accumulator`.\n */\n function baseInverter(object, setter, iteratee, accumulator) {\n baseForOwn(object, function(value, key, object) {\n setter(accumulator, iteratee(value), key, object);\n });\n return accumulator;\n }\n\n /**\n * The base implementation of `_.invoke` without support for individual\n * method arguments.\n *\n * @private\n * @param {Object} object The object to query.\n * @param {Array|string} path The path of the method to invoke.\n * @param {Array} args The arguments to invoke the method with.\n * @returns {*} Returns the result of the invoked method.\n */\n function baseInvoke(object, path, args) {\n path = castPath(path, object);\n object = parent(object, path);\n var func = object == null ? object : object[toKey(last(path))];\n return func == null ? undefined : apply(func, object, args);\n }\n\n /**\n * The base implementation of `_.isArguments`.\n *\n * @private\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is an `arguments` object,\n */\n function baseIsArguments(value) {\n return isObjectLike(value) && baseGetTag(value) == argsTag;\n }\n\n /**\n * The base implementation of `_.isArrayBuffer` without Node.js optimizations.\n *\n * @private\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is an array buffer, else `false`.\n */\n function baseIsArrayBuffer(value) {\n return isObjectLike(value) && baseGetTag(value) == arrayBufferTag;\n }\n\n /**\n * The base implementation of `_.isDate` without Node.js optimizations.\n *\n * @private\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is a date object, else `false`.\n */\n function baseIsDate(value) {\n return isObjectLike(value) && baseGetTag(value) == dateTag;\n }\n\n /**\n * The base implementation of `_.isEqual` which supports partial comparisons\n * and tracks traversed objects.\n *\n * @private\n * @param {*} value The value to compare.\n * @param {*} other The other value to compare.\n * @param {boolean} bitmask The bitmask flags.\n * 1 - Unordered comparison\n * 2 - Partial comparison\n * @param {Function} [customizer] The function to customize comparisons.\n * @param {Object} [stack] Tracks traversed `value` and `other` objects.\n * @returns {boolean} Returns `true` if the values are equivalent, else `false`.\n */\n function baseIsEqual(value, other, bitmask, customizer, stack) {\n if (value === other) {\n return true;\n }\n if (value == null || other == null || (!isObjectLike(value) && !isObjectLike(other))) {\n return value !== value && other !== other;\n }\n return baseIsEqualDeep(value, other, bitmask, customizer, baseIsEqual, stack);\n }\n\n /**\n * A specialized version of `baseIsEqual` for arrays and objects which performs\n * deep comparisons and tracks traversed objects enabling objects with circular\n * references to be compared.\n *\n * @private\n * @param {Object} object The object to compare.\n * @param {Object} other The other object to compare.\n * @param {number} bitmask The bitmask flags. See `baseIsEqual` for more details.\n * @param {Function} customizer The function to customize comparisons.\n * @param {Function} equalFunc The function to determine equivalents of values.\n * @param {Object} [stack] Tracks traversed `object` and `other` objects.\n * @returns {boolean} Returns `true` if the objects are equivalent, else `false`.\n */\n function baseIsEqualDeep(object, other, bitmask, customizer, equalFunc, stack) {\n var objIsArr = isArray(object),\n othIsArr = isArray(other),\n objTag = objIsArr ? arrayTag : getTag(object),\n othTag = othIsArr ? arrayTag : getTag(other);\n\n objTag = objTag == argsTag ? objectTag : objTag;\n othTag = othTag == argsTag ? objectTag : othTag;\n\n var objIsObj = objTag == objectTag,\n othIsObj = othTag == objectTag,\n isSameTag = objTag == othTag;\n\n if (isSameTag && isBuffer(object)) {\n if (!isBuffer(other)) {\n return false;\n }\n objIsArr = true;\n objIsObj = false;\n }\n if (isSameTag && !objIsObj) {\n stack || (stack = new Stack);\n return (objIsArr || isTypedArray(object))\n ? equalArrays(object, other, bitmask, customizer, equalFunc, stack)\n : equalByTag(object, other, objTag, bitmask, customizer, equalFunc, stack);\n }\n if (!(bitmask & COMPARE_PARTIAL_FLAG)) {\n var objIsWrapped = objIsObj && hasOwnProperty.call(object, '__wrapped__'),\n othIsWrapped = othIsObj && hasOwnProperty.call(other, '__wrapped__');\n\n if (objIsWrapped || othIsWrapped) {\n var objUnwrapped = objIsWrapped ? object.value() : object,\n othUnwrapped = othIsWrapped ? other.value() : other;\n\n stack || (stack = new Stack);\n return equalFunc(objUnwrapped, othUnwrapped, bitmask, customizer, stack);\n }\n }\n if (!isSameTag) {\n return false;\n }\n stack || (stack = new Stack);\n return equalObjects(object, other, bitmask, customizer, equalFunc, stack);\n }\n\n /**\n * The base implementation of `_.isMap` without Node.js optimizations.\n *\n * @private\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is a map, else `false`.\n */\n function baseIsMap(value) {\n return isObjectLike(value) && getTag(value) == mapTag;\n }\n\n /**\n * The base implementation of `_.isMatch` without support for iteratee shorthands.\n *\n * @private\n * @param {Object} object The object to inspect.\n * @param {Object} source The object of property values to match.\n * @param {Array} matchData The property names, values, and compare flags to match.\n * @param {Function} [customizer] The function to customize comparisons.\n * @returns {boolean} Returns `true` if `object` is a match, else `false`.\n */\n function baseIsMatch(object, source, matchData, customizer) {\n var index = matchData.length,\n length = index,\n noCustomizer = !customizer;\n\n if (object == null) {\n return !length;\n }\n object = Object(object);\n while (index--) {\n var data = matchData[index];\n if ((noCustomizer && data[2])\n ? data[1] !== object[data[0]]\n : !(data[0] in object)\n ) {\n return false;\n }\n }\n while (++index < length) {\n data = matchData[index];\n var key = data[0],\n objValue = object[key],\n srcValue = data[1];\n\n if (noCustomizer && data[2]) {\n if (objValue === undefined && !(key in object)) {\n return false;\n }\n } else {\n var stack = new Stack;\n if (customizer) {\n var result = customizer(objValue, srcValue, key, object, source, stack);\n }\n if (!(result === undefined\n ? baseIsEqual(srcValue, objValue, COMPARE_PARTIAL_FLAG | COMPARE_UNORDERED_FLAG, customizer, stack)\n : result\n )) {\n return false;\n }\n }\n }\n return true;\n }\n\n /**\n * The base implementation of `_.isNative` without bad shim checks.\n *\n * @private\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is a native function,\n * else `false`.\n */\n function baseIsNative(value) {\n if (!isObject(value) || isMasked(value)) {\n return false;\n }\n var pattern = isFunction(value) ? reIsNative : reIsHostCtor;\n return pattern.test(toSource(value));\n }\n\n /**\n * The base implementation of `_.isRegExp` without Node.js optimizations.\n *\n * @private\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is a regexp, else `false`.\n */\n function baseIsRegExp(value) {\n return isObjectLike(value) && baseGetTag(value) == regexpTag;\n }\n\n /**\n * The base implementation of `_.isSet` without Node.js optimizations.\n *\n * @private\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is a set, else `false`.\n */\n function baseIsSet(value) {\n return isObjectLike(value) && getTag(value) == setTag;\n }\n\n /**\n * The base implementation of `_.isTypedArray` without Node.js optimizations.\n *\n * @private\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is a typed array, else `false`.\n */\n function baseIsTypedArray(value) {\n return isObjectLike(value) &&\n isLength(value.length) && !!typedArrayTags[baseGetTag(value)];\n }\n\n /**\n * The base implementation of `_.iteratee`.\n *\n * @private\n * @param {*} [value=_.identity] The value to convert to an iteratee.\n * @returns {Function} Returns the iteratee.\n */\n function baseIteratee(value) {\n // Don't store the `typeof` result in a variable to avoid a JIT bug in Safari 9.\n // See https://bugs.webkit.org/show_bug.cgi?id=156034 for more details.\n if (typeof value == 'function') {\n return value;\n }\n if (value == null) {\n return identity;\n }\n if (typeof value == 'object') {\n return isArray(value)\n ? baseMatchesProperty(value[0], value[1])\n : baseMatches(value);\n }\n return property(value);\n }\n\n /**\n * The base implementation of `_.keys` which doesn't treat sparse arrays as dense.\n *\n * @private\n * @param {Object} object The object to query.\n * @returns {Array} Returns the array of property names.\n */\n function baseKeys(object) {\n if (!isPrototype(object)) {\n return nativeKeys(object);\n }\n var result = [];\n for (var key in Object(object)) {\n if (hasOwnProperty.call(object, key) && key != 'constructor') {\n result.push(key);\n }\n }\n return result;\n }\n\n /**\n * The base implementation of `_.keysIn` which doesn't treat sparse arrays as dense.\n *\n * @private\n * @param {Object} object The object to query.\n * @returns {Array} Returns the array of property names.\n */\n function baseKeysIn(object) {\n if (!isObject(object)) {\n return nativeKeysIn(object);\n }\n var isProto = isPrototype(object),\n result = [];\n\n for (var key in object) {\n if (!(key == 'constructor' && (isProto || !hasOwnProperty.call(object, key)))) {\n result.push(key);\n }\n }\n return result;\n }\n\n /**\n * The base implementation of `_.lt` which doesn't coerce arguments.\n *\n * @private\n * @param {*} value The value to compare.\n * @param {*} other The other value to compare.\n * @returns {boolean} Returns `true` if `value` is less than `other`,\n * else `false`.\n */\n function baseLt(value, other) {\n return value < other;\n }\n\n /**\n * The base implementation of `_.map` without support for iteratee shorthands.\n *\n * @private\n * @param {Array|Object} collection The collection to iterate over.\n * @param {Function} iteratee The function invoked per iteration.\n * @returns {Array} Returns the new mapped array.\n */\n function baseMap(collection, iteratee) {\n var index = -1,\n result = isArrayLike(collection) ? Array(collection.length) : [];\n\n baseEach(collection, function(value, key, collection) {\n result[++index] = iteratee(value, key, collection);\n });\n return result;\n }\n\n /**\n * The base implementation of `_.matches` which doesn't clone `source`.\n *\n * @private\n * @param {Object} source The object of property values to match.\n * @returns {Function} Returns the new spec function.\n */\n function baseMatches(source) {\n var matchData = getMatchData(source);\n if (matchData.length == 1 && matchData[0][2]) {\n return matchesStrictComparable(matchData[0][0], matchData[0][1]);\n }\n return function(object) {\n return object === source || baseIsMatch(object, source, matchData);\n };\n }\n\n /**\n * The base implementation of `_.matchesProperty` which doesn't clone `srcValue`.\n *\n * @private\n * @param {string} path The path of the property to get.\n * @param {*} srcValue The value to match.\n * @returns {Function} Returns the new spec function.\n */\n function baseMatchesProperty(path, srcValue) {\n if (isKey(path) && isStrictComparable(srcValue)) {\n return matchesStrictComparable(toKey(path), srcValue);\n }\n return function(object) {\n var objValue = get(object, path);\n return (objValue === undefined && objValue === srcValue)\n ? hasIn(object, path)\n : baseIsEqual(srcValue, objValue, COMPARE_PARTIAL_FLAG | COMPARE_UNORDERED_FLAG);\n };\n }\n\n /**\n * The base implementation of `_.merge` without support for multiple sources.\n *\n * @private\n * @param {Object} object The destination object.\n * @param {Object} source The source object.\n * @param {number} srcIndex The index of `source`.\n * @param {Function} [customizer] The function to customize merged values.\n * @param {Object} [stack] Tracks traversed source values and their merged\n * counterparts.\n */\n function baseMerge(object, source, srcIndex, customizer, stack) {\n if (object === source) {\n return;\n }\n baseFor(source, function(srcValue, key) {\n stack || (stack = new Stack);\n if (isObject(srcValue)) {\n baseMergeDeep(object, source, key, srcIndex, baseMerge, customizer, stack);\n }\n else {\n var newValue = customizer\n ? customizer(safeGet(object, key), srcValue, (key + ''), object, source, stack)\n : undefined;\n\n if (newValue === undefined) {\n newValue = srcValue;\n }\n assignMergeValue(object, key, newValue);\n }\n }, keysIn);\n }\n\n /**\n * A specialized version of `baseMerge` for arrays and objects which performs\n * deep merges and tracks traversed objects enabling objects with circular\n * references to be merged.\n *\n * @private\n * @param {Object} object The destination object.\n * @param {Object} source The source object.\n * @param {string} key The key of the value to merge.\n * @param {number} srcIndex The index of `source`.\n * @param {Function} mergeFunc The function to merge values.\n * @param {Function} [customizer] The function to customize assigned values.\n * @param {Object} [stack] Tracks traversed source values and their merged\n * counterparts.\n */\n function baseMergeDeep(object, source, key, srcIndex, mergeFunc, customizer, stack) {\n var objValue = safeGet(object, key),\n srcValue = safeGet(source, key),\n stacked = stack.get(srcValue);\n\n if (stacked) {\n assignMergeValue(object, key, stacked);\n return;\n }\n var newValue = customizer\n ? customizer(objValue, srcValue, (key + ''), object, source, stack)\n : undefined;\n\n var isCommon = newValue === undefined;\n\n if (isCommon) {\n var isArr = isArray(srcValue),\n isBuff = !isArr && isBuffer(srcValue),\n isTyped = !isArr && !isBuff && isTypedArray(srcValue);\n\n newValue = srcValue;\n if (isArr || isBuff || isTyped) {\n if (isArray(objValue)) {\n newValue = objValue;\n }\n else if (isArrayLikeObject(objValue)) {\n newValue = copyArray(objValue);\n }\n else if (isBuff) {\n isCommon = false;\n newValue = cloneBuffer(srcValue, true);\n }\n else if (isTyped) {\n isCommon = false;\n newValue = cloneTypedArray(srcValue, true);\n }\n else {\n newValue = [];\n }\n }\n else if (isPlainObject(srcValue) || isArguments(srcValue)) {\n newValue = objValue;\n if (isArguments(objValue)) {\n newValue = toPlainObject(objValue);\n }\n else if (!isObject(objValue) || isFunction(objValue)) {\n newValue = initCloneObject(srcValue);\n }\n }\n else {\n isCommon = false;\n }\n }\n if (isCommon) {\n // Recursively merge objects and arrays (susceptible to call stack limits).\n stack.set(srcValue, newValue);\n mergeFunc(newValue, srcValue, srcIndex, customizer, stack);\n stack['delete'](srcValue);\n }\n assignMergeValue(object, key, newValue);\n }\n\n /**\n * The base implementation of `_.nth` which doesn't coerce arguments.\n *\n * @private\n * @param {Array} array The array to query.\n * @param {number} n The index of the element to return.\n * @returns {*} Returns the nth element of `array`.\n */\n function baseNth(array, n) {\n var length = array.length;\n if (!length) {\n return;\n }\n n += n < 0 ? length : 0;\n return isIndex(n, length) ? array[n] : undefined;\n }\n\n /**\n * The base implementation of `_.orderBy` without param guards.\n *\n * @private\n * @param {Array|Object} collection The collection to iterate over.\n * @param {Function[]|Object[]|string[]} iteratees The iteratees to sort by.\n * @param {string[]} orders The sort orders of `iteratees`.\n * @returns {Array} Returns the new sorted array.\n */\n function baseOrderBy(collection, iteratees, orders) {\n var index = -1;\n iteratees = arrayMap(iteratees.length ? iteratees : [identity], baseUnary(getIteratee()));\n\n var result = baseMap(collection, function(value, key, collection) {\n var criteria = arrayMap(iteratees, function(iteratee) {\n return iteratee(value);\n });\n return { 'criteria': criteria, 'index': ++index, 'value': value };\n });\n\n return baseSortBy(result, function(object, other) {\n return compareMultiple(object, other, orders);\n });\n }\n\n /**\n * The base implementation of `_.pick` without support for individual\n * property identifiers.\n *\n * @private\n * @param {Object} object The source object.\n * @param {string[]} paths The property paths to pick.\n * @returns {Object} Returns the new object.\n */\n function basePick(object, paths) {\n return basePickBy(object, paths, function(value, path) {\n return hasIn(object, path);\n });\n }\n\n /**\n * The base implementation of `_.pickBy` without support for iteratee shorthands.\n *\n * @private\n * @param {Object} object The source object.\n * @param {string[]} paths The property paths to pick.\n * @param {Function} predicate The function invoked per property.\n * @returns {Object} Returns the new object.\n */\n function basePickBy(object, paths, predicate) {\n var index = -1,\n length = paths.length,\n result = {};\n\n while (++index < length) {\n var path = paths[index],\n value = baseGet(object, path);\n\n if (predicate(value, path)) {\n baseSet(result, castPath(path, object), value);\n }\n }\n return result;\n }\n\n /**\n * A specialized version of `baseProperty` which supports deep paths.\n *\n * @private\n * @param {Array|string} path The path of the property to get.\n * @returns {Function} Returns the new accessor function.\n */\n function basePropertyDeep(path) {\n return function(object) {\n return baseGet(object, path);\n };\n }\n\n /**\n * The base implementation of `_.pullAllBy` without support for iteratee\n * shorthands.\n *\n * @private\n * @param {Array} array The array to modify.\n * @param {Array} values The values to remove.\n * @param {Function} [iteratee] The iteratee invoked per element.\n * @param {Function} [comparator] The comparator invoked per element.\n * @returns {Array} Returns `array`.\n */\n function basePullAll(array, values, iteratee, comparator) {\n var indexOf = comparator ? baseIndexOfWith : baseIndexOf,\n index = -1,\n length = values.length,\n seen = array;\n\n if (array === values) {\n values = copyArray(values);\n }\n if (iteratee) {\n seen = arrayMap(array, baseUnary(iteratee));\n }\n while (++index < length) {\n var fromIndex = 0,\n value = values[index],\n computed = iteratee ? iteratee(value) : value;\n\n while ((fromIndex = indexOf(seen, computed, fromIndex, comparator)) > -1) {\n if (seen !== array) {\n splice.call(seen, fromIndex, 1);\n }\n splice.call(array, fromIndex, 1);\n }\n }\n return array;\n }\n\n /**\n * The base implementation of `_.pullAt` without support for individual\n * indexes or capturing the removed elements.\n *\n * @private\n * @param {Array} array The array to modify.\n * @param {number[]} indexes The indexes of elements to remove.\n * @returns {Array} Returns `array`.\n */\n function basePullAt(array, indexes) {\n var length = array ? indexes.length : 0,\n lastIndex = length - 1;\n\n while (length--) {\n var index = indexes[length];\n if (length == lastIndex || index !== previous) {\n var previous = index;\n if (isIndex(index)) {\n splice.call(array, index, 1);\n } else {\n baseUnset(array, index);\n }\n }\n }\n return array;\n }\n\n /**\n * The base implementation of `_.random` without support for returning\n * floating-point numbers.\n *\n * @private\n * @param {number} lower The lower bound.\n * @param {number} upper The upper bound.\n * @returns {number} Returns the random number.\n */\n function baseRandom(lower, upper) {\n return lower + nativeFloor(nativeRandom() * (upper - lower + 1));\n }\n\n /**\n * The base implementation of `_.range` and `_.rangeRight` which doesn't\n * coerce arguments.\n *\n * @private\n * @param {number} start The start of the range.\n * @param {number} end The end of the range.\n * @param {number} step The value to increment or decrement by.\n * @param {boolean} [fromRight] Specify iterating from right to left.\n * @returns {Array} Returns the range of numbers.\n */\n function baseRange(start, end, step, fromRight) {\n var index = -1,\n length = nativeMax(nativeCeil((end - start) / (step || 1)), 0),\n result = Array(length);\n\n while (length--) {\n result[fromRight ? length : ++index] = start;\n start += step;\n }\n return result;\n }\n\n /**\n * The base implementation of `_.repeat` which doesn't coerce arguments.\n *\n * @private\n * @param {string} string The string to repeat.\n * @param {number} n The number of times to repeat the string.\n * @returns {string} Returns the repeated string.\n */\n function baseRepeat(string, n) {\n var result = '';\n if (!string || n < 1 || n > MAX_SAFE_INTEGER) {\n return result;\n }\n // Leverage the exponentiation by squaring algorithm for a faster repeat.\n // See https://en.wikipedia.org/wiki/Exponentiation_by_squaring for more details.\n do {\n if (n % 2) {\n result += string;\n }\n n = nativeFloor(n / 2);\n if (n) {\n string += string;\n }\n } while (n);\n\n return result;\n }\n\n /**\n * The base implementation of `_.rest` which doesn't validate or coerce arguments.\n *\n * @private\n * @param {Function} func The function to apply a rest parameter to.\n * @param {number} [start=func.length-1] The start position of the rest parameter.\n * @returns {Function} Returns the new function.\n */\n function baseRest(func, start) {\n return setToString(overRest(func, start, identity), func + '');\n }\n\n /**\n * The base implementation of `_.sample`.\n *\n * @private\n * @param {Array|Object} collection The collection to sample.\n * @returns {*} Returns the random element.\n */\n function baseSample(collection) {\n return arraySample(values(collection));\n }\n\n /**\n * The base implementation of `_.sampleSize` without param guards.\n *\n * @private\n * @param {Array|Object} collection The collection to sample.\n * @param {number} n The number of elements to sample.\n * @returns {Array} Returns the random elements.\n */\n function baseSampleSize(collection, n) {\n var array = values(collection);\n return shuffleSelf(array, baseClamp(n, 0, array.length));\n }\n\n /**\n * The base implementation of `_.set`.\n *\n * @private\n * @param {Object} object The object to modify.\n * @param {Array|string} path The path of the property to set.\n * @param {*} value The value to set.\n * @param {Function} [customizer] The function to customize path creation.\n * @returns {Object} Returns `object`.\n */\n function baseSet(object, path, value, customizer) {\n if (!isObject(object)) {\n return object;\n }\n path = castPath(path, object);\n\n var index = -1,\n length = path.length,\n lastIndex = length - 1,\n nested = object;\n\n while (nested != null && ++index < length) {\n var key = toKey(path[index]),\n newValue = value;\n\n if (index != lastIndex) {\n var objValue = nested[key];\n newValue = customizer ? customizer(objValue, key, nested) : undefined;\n if (newValue === undefined) {\n newValue = isObject(objValue)\n ? objValue\n : (isIndex(path[index + 1]) ? [] : {});\n }\n }\n assignValue(nested, key, newValue);\n nested = nested[key];\n }\n return object;\n }\n\n /**\n * The base implementation of `setData` without support for hot loop shorting.\n *\n * @private\n * @param {Function} func The function to associate metadata with.\n * @param {*} data The metadata.\n * @returns {Function} Returns `func`.\n */\n var baseSetData = !metaMap ? identity : function(func, data) {\n metaMap.set(func, data);\n return func;\n };\n\n /**\n * The base implementation of `setToString` without support for hot loop shorting.\n *\n * @private\n * @param {Function} func The function to modify.\n * @param {Function} string The `toString` result.\n * @returns {Function} Returns `func`.\n */\n var baseSetToString = !defineProperty ? identity : function(func, string) {\n return defineProperty(func, 'toString', {\n 'configurable': true,\n 'enumerable': false,\n 'value': constant(string),\n 'writable': true\n });\n };\n\n /**\n * The base implementation of `_.shuffle`.\n *\n * @private\n * @param {Array|Object} collection The collection to shuffle.\n * @returns {Array} Returns the new shuffled array.\n */\n function baseShuffle(collection) {\n return shuffleSelf(values(collection));\n }\n\n /**\n * The base implementation of `_.slice` without an iteratee call guard.\n *\n * @private\n * @param {Array} array The array to slice.\n * @param {number} [start=0] The start position.\n * @param {number} [end=array.length] The end position.\n * @returns {Array} Returns the slice of `array`.\n */\n function baseSlice(array, start, end) {\n var index = -1,\n length = array.length;\n\n if (start < 0) {\n start = -start > length ? 0 : (length + start);\n }\n end = end > length ? length : end;\n if (end < 0) {\n end += length;\n }\n length = start > end ? 0 : ((end - start) >>> 0);\n start >>>= 0;\n\n var result = Array(length);\n while (++index < length) {\n result[index] = array[index + start];\n }\n return result;\n }\n\n /**\n * The base implementation of `_.some` without support for iteratee shorthands.\n *\n * @private\n * @param {Array|Object} collection The collection to iterate over.\n * @param {Function} predicate The function invoked per iteration.\n * @returns {boolean} Returns `true` if any element passes the predicate check,\n * else `false`.\n */\n function baseSome(collection, predicate) {\n var result;\n\n baseEach(collection, function(value, index, collection) {\n result = predicate(value, index, collection);\n return !result;\n });\n return !!result;\n }\n\n /**\n * The base implementation of `_.sortedIndex` and `_.sortedLastIndex` which\n * performs a binary search of `array` to determine the index at which `value`\n * should be inserted into `array` in order to maintain its sort order.\n *\n * @private\n * @param {Array} array The sorted array to inspect.\n * @param {*} value The value to evaluate.\n * @param {boolean} [retHighest] Specify returning the highest qualified index.\n * @returns {number} Returns the index at which `value` should be inserted\n * into `array`.\n */\n function baseSortedIndex(array, value, retHighest) {\n var low = 0,\n high = array == null ? low : array.length;\n\n if (typeof value == 'number' && value === value && high <= HALF_MAX_ARRAY_LENGTH) {\n while (low < high) {\n var mid = (low + high) >>> 1,\n computed = array[mid];\n\n if (computed !== null && !isSymbol(computed) &&\n (retHighest ? (computed <= value) : (computed < value))) {\n low = mid + 1;\n } else {\n high = mid;\n }\n }\n return high;\n }\n return baseSortedIndexBy(array, value, identity, retHighest);\n }\n\n /**\n * The base implementation of `_.sortedIndexBy` and `_.sortedLastIndexBy`\n * which invokes `iteratee` for `value` and each element of `array` to compute\n * their sort ranking. The iteratee is invoked with one argument; (value).\n *\n * @private\n * @param {Array} array The sorted array to inspect.\n * @param {*} value The value to evaluate.\n * @param {Function} iteratee The iteratee invoked per element.\n * @param {boolean} [retHighest] Specify returning the highest qualified index.\n * @returns {number} Returns the index at which `value` should be inserted\n * into `array`.\n */\n function baseSortedIndexBy(array, value, iteratee, retHighest) {\n value = iteratee(value);\n\n var low = 0,\n high = array == null ? 0 : array.length,\n valIsNaN = value !== value,\n valIsNull = value === null,\n valIsSymbol = isSymbol(value),\n valIsUndefined = value === undefined;\n\n while (low < high) {\n var mid = nativeFloor((low + high) / 2),\n computed = iteratee(array[mid]),\n othIsDefined = computed !== undefined,\n othIsNull = computed === null,\n othIsReflexive = computed === computed,\n othIsSymbol = isSymbol(computed);\n\n if (valIsNaN) {\n var setLow = retHighest || othIsReflexive;\n } else if (valIsUndefined) {\n setLow = othIsReflexive && (retHighest || othIsDefined);\n } else if (valIsNull) {\n setLow = othIsReflexive && othIsDefined && (retHighest || !othIsNull);\n } else if (valIsSymbol) {\n setLow = othIsReflexive && othIsDefined && !othIsNull && (retHighest || !othIsSymbol);\n } else if (othIsNull || othIsSymbol) {\n setLow = false;\n } else {\n setLow = retHighest ? (computed <= value) : (computed < value);\n }\n if (setLow) {\n low = mid + 1;\n } else {\n high = mid;\n }\n }\n return nativeMin(high, MAX_ARRAY_INDEX);\n }\n\n /**\n * The base implementation of `_.sortedUniq` and `_.sortedUniqBy` without\n * support for iteratee shorthands.\n *\n * @private\n * @param {Array} array The array to inspect.\n * @param {Function} [iteratee] The iteratee invoked per element.\n * @returns {Array} Returns the new duplicate free array.\n */\n function baseSortedUniq(array, iteratee) {\n var index = -1,\n length = array.length,\n resIndex = 0,\n result = [];\n\n while (++index < length) {\n var value = array[index],\n computed = iteratee ? iteratee(value) : value;\n\n if (!index || !eq(computed, seen)) {\n var seen = computed;\n result[resIndex++] = value === 0 ? 0 : value;\n }\n }\n return result;\n }\n\n /**\n * The base implementation of `_.toNumber` which doesn't ensure correct\n * conversions of binary, hexadecimal, or octal string values.\n *\n * @private\n * @param {*} value The value to process.\n * @returns {number} Returns the number.\n */\n function baseToNumber(value) {\n if (typeof value == 'number') {\n return value;\n }\n if (isSymbol(value)) {\n return NAN;\n }\n return +value;\n }\n\n /**\n * The base implementation of `_.toString` which doesn't convert nullish\n * values to empty strings.\n *\n * @private\n * @param {*} value The value to process.\n * @returns {string} Returns the string.\n */\n function baseToString(value) {\n // Exit early for strings to avoid a performance hit in some environments.\n if (typeof value == 'string') {\n return value;\n }\n if (isArray(value)) {\n // Recursively convert values (susceptible to call stack limits).\n return arrayMap(value, baseToString) + '';\n }\n if (isSymbol(value)) {\n return symbolToString ? symbolToString.call(value) : '';\n }\n var result = (value + '');\n return (result == '0' && (1 / value) == -INFINITY) ? '-0' : result;\n }\n\n /**\n * The base implementation of `_.uniqBy` without support for iteratee shorthands.\n *\n * @private\n * @param {Array} array The array to inspect.\n * @param {Function} [iteratee] The iteratee invoked per element.\n * @param {Function} [comparator] The comparator invoked per element.\n * @returns {Array} Returns the new duplicate free array.\n */\n function baseUniq(array, iteratee, comparator) {\n var index = -1,\n includes = arrayIncludes,\n length = array.length,\n isCommon = true,\n result = [],\n seen = result;\n\n if (comparator) {\n isCommon = false;\n includes = arrayIncludesWith;\n }\n else if (length >= LARGE_ARRAY_SIZE) {\n var set = iteratee ? null : createSet(array);\n if (set) {\n return setToArray(set);\n }\n isCommon = false;\n includes = cacheHas;\n seen = new SetCache;\n }\n else {\n seen = iteratee ? [] : result;\n }\n outer:\n while (++index < length) {\n var value = array[index],\n computed = iteratee ? iteratee(value) : value;\n\n value = (comparator || value !== 0) ? value : 0;\n if (isCommon && computed === computed) {\n var seenIndex = seen.length;\n while (seenIndex--) {\n if (seen[seenIndex] === computed) {\n continue outer;\n }\n }\n if (iteratee) {\n seen.push(computed);\n }\n result.push(value);\n }\n else if (!includes(seen, computed, comparator)) {\n if (seen !== result) {\n seen.push(computed);\n }\n result.push(value);\n }\n }\n return result;\n }\n\n /**\n * The base implementation of `_.unset`.\n *\n * @private\n * @param {Object} object The object to modify.\n * @param {Array|string} path The property path to unset.\n * @returns {boolean} Returns `true` if the property is deleted, else `false`.\n */\n function baseUnset(object, path) {\n path = castPath(path, object);\n object = parent(object, path);\n return object == null || delete object[toKey(last(path))];\n }\n\n /**\n * The base implementation of `_.update`.\n *\n * @private\n * @param {Object} object The object to modify.\n * @param {Array|string} path The path of the property to update.\n * @param {Function} updater The function to produce the updated value.\n * @param {Function} [customizer] The function to customize path creation.\n * @returns {Object} Returns `object`.\n */\n function baseUpdate(object, path, updater, customizer) {\n return baseSet(object, path, updater(baseGet(object, path)), customizer);\n }\n\n /**\n * The base implementation of methods like `_.dropWhile` and `_.takeWhile`\n * without support for iteratee shorthands.\n *\n * @private\n * @param {Array} array The array to query.\n * @param {Function} predicate The function invoked per iteration.\n * @param {boolean} [isDrop] Specify dropping elements instead of taking them.\n * @param {boolean} [fromRight] Specify iterating from right to left.\n * @returns {Array} Returns the slice of `array`.\n */\n function baseWhile(array, predicate, isDrop, fromRight) {\n var length = array.length,\n index = fromRight ? length : -1;\n\n while ((fromRight ? index-- : ++index < length) &&\n predicate(array[index], index, array)) {}\n\n return isDrop\n ? baseSlice(array, (fromRight ? 0 : index), (fromRight ? index + 1 : length))\n : baseSlice(array, (fromRight ? index + 1 : 0), (fromRight ? length : index));\n }\n\n /**\n * The base implementation of `wrapperValue` which returns the result of\n * performing a sequence of actions on the unwrapped `value`, where each\n * successive action is supplied the return value of the previous.\n *\n * @private\n * @param {*} value The unwrapped value.\n * @param {Array} actions Actions to perform to resolve the unwrapped value.\n * @returns {*} Returns the resolved value.\n */\n function baseWrapperValue(value, actions) {\n var result = value;\n if (result instanceof LazyWrapper) {\n result = result.value();\n }\n return arrayReduce(actions, function(result, action) {\n return action.func.apply(action.thisArg, arrayPush([result], action.args));\n }, result);\n }\n\n /**\n * The base implementation of methods like `_.xor`, without support for\n * iteratee shorthands, that accepts an array of arrays to inspect.\n *\n * @private\n * @param {Array} arrays The arrays to inspect.\n * @param {Function} [iteratee] The iteratee invoked per element.\n * @param {Function} [comparator] The comparator invoked per element.\n * @returns {Array} Returns the new array of values.\n */\n function baseXor(arrays, iteratee, comparator) {\n var length = arrays.length;\n if (length < 2) {\n return length ? baseUniq(arrays[0]) : [];\n }\n var index = -1,\n result = Array(length);\n\n while (++index < length) {\n var array = arrays[index],\n othIndex = -1;\n\n while (++othIndex < length) {\n if (othIndex != index) {\n result[index] = baseDifference(result[index] || array, arrays[othIndex], iteratee, comparator);\n }\n }\n }\n return baseUniq(baseFlatten(result, 1), iteratee, comparator);\n }\n\n /**\n * This base implementation of `_.zipObject` which assigns values using `assignFunc`.\n *\n * @private\n * @param {Array} props The property identifiers.\n * @param {Array} values The property values.\n * @param {Function} assignFunc The function to assign values.\n * @returns {Object} Returns the new object.\n */\n function baseZipObject(props, values, assignFunc) {\n var index = -1,\n length = props.length,\n valsLength = values.length,\n result = {};\n\n while (++index < length) {\n var value = index < valsLength ? values[index] : undefined;\n assignFunc(result, props[index], value);\n }\n return result;\n }\n\n /**\n * Casts `value` to an empty array if it's not an array like object.\n *\n * @private\n * @param {*} value The value to inspect.\n * @returns {Array|Object} Returns the cast array-like object.\n */\n function castArrayLikeObject(value) {\n return isArrayLikeObject(value) ? value : [];\n }\n\n /**\n * Casts `value` to `identity` if it's not a function.\n *\n * @private\n * @param {*} value The value to inspect.\n * @returns {Function} Returns cast function.\n */\n function castFunction(value) {\n return typeof value == 'function' ? value : identity;\n }\n\n /**\n * Casts `value` to a path array if it's not one.\n *\n * @private\n * @param {*} value The value to inspect.\n * @param {Object} [object] The object to query keys on.\n * @returns {Array} Returns the cast property path array.\n */\n function castPath(value, object) {\n if (isArray(value)) {\n return value;\n }\n return isKey(value, object) ? [value] : stringToPath(toString(value));\n }\n\n /**\n * A `baseRest` alias which can be replaced with `identity` by module\n * replacement plugins.\n *\n * @private\n * @type {Function}\n * @param {Function} func The function to apply a rest parameter to.\n * @returns {Function} Returns the new function.\n */\n var castRest = baseRest;\n\n /**\n * Casts `array` to a slice if it's needed.\n *\n * @private\n * @param {Array} array The array to inspect.\n * @param {number} start The start position.\n * @param {number} [end=array.length] The end position.\n * @returns {Array} Returns the cast slice.\n */\n function castSlice(array, start, end) {\n var length = array.length;\n end = end === undefined ? length : end;\n return (!start && end >= length) ? array : baseSlice(array, start, end);\n }\n\n /**\n * A simple wrapper around the global [`clearTimeout`](https://mdn.io/clearTimeout).\n *\n * @private\n * @param {number|Object} id The timer id or timeout object of the timer to clear.\n */\n var clearTimeout = ctxClearTimeout || function(id) {\n return root.clearTimeout(id);\n };\n\n /**\n * Creates a clone of `buffer`.\n *\n * @private\n * @param {Buffer} buffer The buffer to clone.\n * @param {boolean} [isDeep] Specify a deep clone.\n * @returns {Buffer} Returns the cloned buffer.\n */\n function cloneBuffer(buffer, isDeep) {\n if (isDeep) {\n return buffer.slice();\n }\n var length = buffer.length,\n result = allocUnsafe ? allocUnsafe(length) : new buffer.constructor(length);\n\n buffer.copy(result);\n return result;\n }\n\n /**\n * Creates a clone of `arrayBuffer`.\n *\n * @private\n * @param {ArrayBuffer} arrayBuffer The array buffer to clone.\n * @returns {ArrayBuffer} Returns the cloned array buffer.\n */\n function cloneArrayBuffer(arrayBuffer) {\n var result = new arrayBuffer.constructor(arrayBuffer.byteLength);\n new Uint8Array(result).set(new Uint8Array(arrayBuffer));\n return result;\n }\n\n /**\n * Creates a clone of `dataView`.\n *\n * @private\n * @param {Object} dataView The data view to clone.\n * @param {boolean} [isDeep] Specify a deep clone.\n * @returns {Object} Returns the cloned data view.\n */\n function cloneDataView(dataView, isDeep) {\n var buffer = isDeep ? cloneArrayBuffer(dataView.buffer) : dataView.buffer;\n return new dataView.constructor(buffer, dataView.byteOffset, dataView.byteLength);\n }\n\n /**\n * Creates a clone of `regexp`.\n *\n * @private\n * @param {Object} regexp The regexp to clone.\n * @returns {Object} Returns the cloned regexp.\n */\n function cloneRegExp(regexp) {\n var result = new regexp.constructor(regexp.source, reFlags.exec(regexp));\n result.lastIndex = regexp.lastIndex;\n return result;\n }\n\n /**\n * Creates a clone of the `symbol` object.\n *\n * @private\n * @param {Object} symbol The symbol object to clone.\n * @returns {Object} Returns the cloned symbol object.\n */\n function cloneSymbol(symbol) {\n return symbolValueOf ? Object(symbolValueOf.call(symbol)) : {};\n }\n\n /**\n * Creates a clone of `typedArray`.\n *\n * @private\n * @param {Object} typedArray The typed array to clone.\n * @param {boolean} [isDeep] Specify a deep clone.\n * @returns {Object} Returns the cloned typed array.\n */\n function cloneTypedArray(typedArray, isDeep) {\n var buffer = isDeep ? cloneArrayBuffer(typedArray.buffer) : typedArray.buffer;\n return new typedArray.constructor(buffer, typedArray.byteOffset, typedArray.length);\n }\n\n /**\n * Compares values to sort them in ascending order.\n *\n * @private\n * @param {*} value The value to compare.\n * @param {*} other The other value to compare.\n * @returns {number} Returns the sort order indicator for `value`.\n */\n function compareAscending(value, other) {\n if (value !== other) {\n var valIsDefined = value !== undefined,\n valIsNull = value === null,\n valIsReflexive = value === value,\n valIsSymbol = isSymbol(value);\n\n var othIsDefined = other !== undefined,\n othIsNull = other === null,\n othIsReflexive = other === other,\n othIsSymbol = isSymbol(other);\n\n if ((!othIsNull && !othIsSymbol && !valIsSymbol && value > other) ||\n (valIsSymbol && othIsDefined && othIsReflexive && !othIsNull && !othIsSymbol) ||\n (valIsNull && othIsDefined && othIsReflexive) ||\n (!valIsDefined && othIsReflexive) ||\n !valIsReflexive) {\n return 1;\n }\n if ((!valIsNull && !valIsSymbol && !othIsSymbol && value < other) ||\n (othIsSymbol && valIsDefined && valIsReflexive && !valIsNull && !valIsSymbol) ||\n (othIsNull && valIsDefined && valIsReflexive) ||\n (!othIsDefined && valIsReflexive) ||\n !othIsReflexive) {\n return -1;\n }\n }\n return 0;\n }\n\n /**\n * Used by `_.orderBy` to compare multiple properties of a value to another\n * and stable sort them.\n *\n * If `orders` is unspecified, all values are sorted in ascending order. Otherwise,\n * specify an order of \"desc\" for descending or \"asc\" for ascending sort order\n * of corresponding values.\n *\n * @private\n * @param {Object} object The object to compare.\n * @param {Object} other The other object to compare.\n * @param {boolean[]|string[]} orders The order to sort by for each property.\n * @returns {number} Returns the sort order indicator for `object`.\n */\n function compareMultiple(object, other, orders) {\n var index = -1,\n objCriteria = object.criteria,\n othCriteria = other.criteria,\n length = objCriteria.length,\n ordersLength = orders.length;\n\n while (++index < length) {\n var result = compareAscending(objCriteria[index], othCriteria[index]);\n if (result) {\n if (index >= ordersLength) {\n return result;\n }\n var order = orders[index];\n return result * (order == 'desc' ? -1 : 1);\n }\n }\n // Fixes an `Array#sort` bug in the JS engine embedded in Adobe applications\n // that causes it, under certain circumstances, to provide the same value for\n // `object` and `other`. See https://github.com/jashkenas/underscore/pull/1247\n // for more details.\n //\n // This also ensures a stable sort in V8 and other engines.\n // See https://bugs.chromium.org/p/v8/issues/detail?id=90 for more details.\n return object.index - other.index;\n }\n\n /**\n * Creates an array that is the composition of partially applied arguments,\n * placeholders, and provided arguments into a single array of arguments.\n *\n * @private\n * @param {Array} args The provided arguments.\n * @param {Array} partials The arguments to prepend to those provided.\n * @param {Array} holders The `partials` placeholder indexes.\n * @params {boolean} [isCurried] Specify composing for a curried function.\n * @returns {Array} Returns the new array of composed arguments.\n */\n function composeArgs(args, partials, holders, isCurried) {\n var argsIndex = -1,\n argsLength = args.length,\n holdersLength = holders.length,\n leftIndex = -1,\n leftLength = partials.length,\n rangeLength = nativeMax(argsLength - holdersLength, 0),\n result = Array(leftLength + rangeLength),\n isUncurried = !isCurried;\n\n while (++leftIndex < leftLength) {\n result[leftIndex] = partials[leftIndex];\n }\n while (++argsIndex < holdersLength) {\n if (isUncurried || argsIndex < argsLength) {\n result[holders[argsIndex]] = args[argsIndex];\n }\n }\n while (rangeLength--) {\n result[leftIndex++] = args[argsIndex++];\n }\n return result;\n }\n\n /**\n * This function is like `composeArgs` except that the arguments composition\n * is tailored for `_.partialRight`.\n *\n * @private\n * @param {Array} args The provided arguments.\n * @param {Array} partials The arguments to append to those provided.\n * @param {Array} holders The `partials` placeholder indexes.\n * @params {boolean} [isCurried] Specify composing for a curried function.\n * @returns {Array} Returns the new array of composed arguments.\n */\n function composeArgsRight(args, partials, holders, isCurried) {\n var argsIndex = -1,\n argsLength = args.length,\n holdersIndex = -1,\n holdersLength = holders.length,\n rightIndex = -1,\n rightLength = partials.length,\n rangeLength = nativeMax(argsLength - holdersLength, 0),\n result = Array(rangeLength + rightLength),\n isUncurried = !isCurried;\n\n while (++argsIndex < rangeLength) {\n result[argsIndex] = args[argsIndex];\n }\n var offset = argsIndex;\n while (++rightIndex < rightLength) {\n result[offset + rightIndex] = partials[rightIndex];\n }\n while (++holdersIndex < holdersLength) {\n if (isUncurried || argsIndex < argsLength) {\n result[offset + holders[holdersIndex]] = args[argsIndex++];\n }\n }\n return result;\n }\n\n /**\n * Copies the values of `source` to `array`.\n *\n * @private\n * @param {Array} source The array to copy values from.\n * @param {Array} [array=[]] The array to copy values to.\n * @returns {Array} Returns `array`.\n */\n function copyArray(source, array) {\n var index = -1,\n length = source.length;\n\n array || (array = Array(length));\n while (++index < length) {\n array[index] = source[index];\n }\n return array;\n }\n\n /**\n * Copies properties of `source` to `object`.\n *\n * @private\n * @param {Object} source The object to copy properties from.\n * @param {Array} props The property identifiers to copy.\n * @param {Object} [object={}] The object to copy properties to.\n * @param {Function} [customizer] The function to customize copied values.\n * @returns {Object} Returns `object`.\n */\n function copyObject(source, props, object, customizer) {\n var isNew = !object;\n object || (object = {});\n\n var index = -1,\n length = props.length;\n\n while (++index < length) {\n var key = props[index];\n\n var newValue = customizer\n ? customizer(object[key], source[key], key, object, source)\n : undefined;\n\n if (newValue === undefined) {\n newValue = source[key];\n }\n if (isNew) {\n baseAssignValue(object, key, newValue);\n } else {\n assignValue(object, key, newValue);\n }\n }\n return object;\n }\n\n /**\n * Copies own symbols of `source` to `object`.\n *\n * @private\n * @param {Object} source The object to copy symbols from.\n * @param {Object} [object={}] The object to copy symbols to.\n * @returns {Object} Returns `object`.\n */\n function copySymbols(source, object) {\n return copyObject(source, getSymbols(source), object);\n }\n\n /**\n * Copies own and inherited symbols of `source` to `object`.\n *\n * @private\n * @param {Object} source The object to copy symbols from.\n * @param {Object} [object={}] The object to copy symbols to.\n * @returns {Object} Returns `object`.\n */\n function copySymbolsIn(source, object) {\n return copyObject(source, getSymbolsIn(source), object);\n }\n\n /**\n * Creates a function like `_.groupBy`.\n *\n * @private\n * @param {Function} setter The function to set accumulator values.\n * @param {Function} [initializer] The accumulator object initializer.\n * @returns {Function} Returns the new aggregator function.\n */\n function createAggregator(setter, initializer) {\n return function(collection, iteratee) {\n var func = isArray(collection) ? arrayAggregator : baseAggregator,\n accumulator = initializer ? initializer() : {};\n\n return func(collection, setter, getIteratee(iteratee, 2), accumulator);\n };\n }\n\n /**\n * Creates a function like `_.assign`.\n *\n * @private\n * @param {Function} assigner The function to assign values.\n * @returns {Function} Returns the new assigner function.\n */\n function createAssigner(assigner) {\n return baseRest(function(object, sources) {\n var index = -1,\n length = sources.length,\n customizer = length > 1 ? sources[length - 1] : undefined,\n guard = length > 2 ? sources[2] : undefined;\n\n customizer = (assigner.length > 3 && typeof customizer == 'function')\n ? (length--, customizer)\n : undefined;\n\n if (guard && isIterateeCall(sources[0], sources[1], guard)) {\n customizer = length < 3 ? undefined : customizer;\n length = 1;\n }\n object = Object(object);\n while (++index < length) {\n var source = sources[index];\n if (source) {\n assigner(object, source, index, customizer);\n }\n }\n return object;\n });\n }\n\n /**\n * Creates a `baseEach` or `baseEachRight` function.\n *\n * @private\n * @param {Function} eachFunc The function to iterate over a collection.\n * @param {boolean} [fromRight] Specify iterating from right to left.\n * @returns {Function} Returns the new base function.\n */\n function createBaseEach(eachFunc, fromRight) {\n return function(collection, iteratee) {\n if (collection == null) {\n return collection;\n }\n if (!isArrayLike(collection)) {\n return eachFunc(collection, iteratee);\n }\n var length = collection.length,\n index = fromRight ? length : -1,\n iterable = Object(collection);\n\n while ((fromRight ? index-- : ++index < length)) {\n if (iteratee(iterable[index], index, iterable) === false) {\n break;\n }\n }\n return collection;\n };\n }\n\n /**\n * Creates a base function for methods like `_.forIn` and `_.forOwn`.\n *\n * @private\n * @param {boolean} [fromRight] Specify iterating from right to left.\n * @returns {Function} Returns the new base function.\n */\n function createBaseFor(fromRight) {\n return function(object, iteratee, keysFunc) {\n var index = -1,\n iterable = Object(object),\n props = keysFunc(object),\n length = props.length;\n\n while (length--) {\n var key = props[fromRight ? length : ++index];\n if (iteratee(iterable[key], key, iterable) === false) {\n break;\n }\n }\n return object;\n };\n }\n\n /**\n * Creates a function that wraps `func` to invoke it with the optional `this`\n * binding of `thisArg`.\n *\n * @private\n * @param {Function} func The function to wrap.\n * @param {number} bitmask The bitmask flags. See `createWrap` for more details.\n * @param {*} [thisArg] The `this` binding of `func`.\n * @returns {Function} Returns the new wrapped function.\n */\n function createBind(func, bitmask, thisArg) {\n var isBind = bitmask & WRAP_BIND_FLAG,\n Ctor = createCtor(func);\n\n function wrapper() {\n var fn = (this && this !== root && this instanceof wrapper) ? Ctor : func;\n return fn.apply(isBind ? thisArg : this, arguments);\n }\n return wrapper;\n }\n\n /**\n * Creates a function like `_.lowerFirst`.\n *\n * @private\n * @param {string} methodName The name of the `String` case method to use.\n * @returns {Function} Returns the new case function.\n */\n function createCaseFirst(methodName) {\n return function(string) {\n string = toString(string);\n\n var strSymbols = hasUnicode(string)\n ? stringToArray(string)\n : undefined;\n\n var chr = strSymbols\n ? strSymbols[0]\n : string.charAt(0);\n\n var trailing = strSymbols\n ? castSlice(strSymbols, 1).join('')\n : string.slice(1);\n\n return chr[methodName]() + trailing;\n };\n }\n\n /**\n * Creates a function like `_.camelCase`.\n *\n * @private\n * @param {Function} callback The function to combine each word.\n * @returns {Function} Returns the new compounder function.\n */\n function createCompounder(callback) {\n return function(string) {\n return arrayReduce(words(deburr(string).replace(reApos, '')), callback, '');\n };\n }\n\n /**\n * Creates a function that produces an instance of `Ctor` regardless of\n * whether it was invoked as part of a `new` expression or by `call` or `apply`.\n *\n * @private\n * @param {Function} Ctor The constructor to wrap.\n * @returns {Function} Returns the new wrapped function.\n */\n function createCtor(Ctor) {\n return function() {\n // Use a `switch` statement to work with class constructors. See\n // http://ecma-international.org/ecma-262/7.0/#sec-ecmascript-function-objects-call-thisargument-argumentslist\n // for more details.\n var args = arguments;\n switch (args.length) {\n case 0: return new Ctor;\n case 1: return new Ctor(args[0]);\n case 2: return new Ctor(args[0], args[1]);\n case 3: return new Ctor(args[0], args[1], args[2]);\n case 4: return new Ctor(args[0], args[1], args[2], args[3]);\n case 5: return new Ctor(args[0], args[1], args[2], args[3], args[4]);\n case 6: return new Ctor(args[0], args[1], args[2], args[3], args[4], args[5]);\n case 7: return new Ctor(args[0], args[1], args[2], args[3], args[4], args[5], args[6]);\n }\n var thisBinding = baseCreate(Ctor.prototype),\n result = Ctor.apply(thisBinding, args);\n\n // Mimic the constructor's `return` behavior.\n // See https://es5.github.io/#x13.2.2 for more details.\n return isObject(result) ? result : thisBinding;\n };\n }\n\n /**\n * Creates a function that wraps `func` to enable currying.\n *\n * @private\n * @param {Function} func The function to wrap.\n * @param {number} bitmask The bitmask flags. See `createWrap` for more details.\n * @param {number} arity The arity of `func`.\n * @returns {Function} Returns the new wrapped function.\n */\n function createCurry(func, bitmask, arity) {\n var Ctor = createCtor(func);\n\n function wrapper() {\n var length = arguments.length,\n args = Array(length),\n index = length,\n placeholder = getHolder(wrapper);\n\n while (index--) {\n args[index] = arguments[index];\n }\n var holders = (length < 3 && args[0] !== placeholder && args[length - 1] !== placeholder)\n ? []\n : replaceHolders(args, placeholder);\n\n length -= holders.length;\n if (length < arity) {\n return createRecurry(\n func, bitmask, createHybrid, wrapper.placeholder, undefined,\n args, holders, undefined, undefined, arity - length);\n }\n var fn = (this && this !== root && this instanceof wrapper) ? Ctor : func;\n return apply(fn, this, args);\n }\n return wrapper;\n }\n\n /**\n * Creates a `_.find` or `_.findLast` function.\n *\n * @private\n * @param {Function} findIndexFunc The function to find the collection index.\n * @returns {Function} Returns the new find function.\n */\n function createFind(findIndexFunc) {\n return function(collection, predicate, fromIndex) {\n var iterable = Object(collection);\n if (!isArrayLike(collection)) {\n var iteratee = getIteratee(predicate, 3);\n collection = keys(collection);\n predicate = function(key) { return iteratee(iterable[key], key, iterable); };\n }\n var index = findIndexFunc(collection, predicate, fromIndex);\n return index > -1 ? iterable[iteratee ? collection[index] : index] : undefined;\n };\n }\n\n /**\n * Creates a `_.flow` or `_.flowRight` function.\n *\n * @private\n * @param {boolean} [fromRight] Specify iterating from right to left.\n * @returns {Function} Returns the new flow function.\n */\n function createFlow(fromRight) {\n return flatRest(function(funcs) {\n var length = funcs.length,\n index = length,\n prereq = LodashWrapper.prototype.thru;\n\n if (fromRight) {\n funcs.reverse();\n }\n while (index--) {\n var func = funcs[index];\n if (typeof func != 'function') {\n throw new TypeError(FUNC_ERROR_TEXT);\n }\n if (prereq && !wrapper && getFuncName(func) == 'wrapper') {\n var wrapper = new LodashWrapper([], true);\n }\n }\n index = wrapper ? index : length;\n while (++index < length) {\n func = funcs[index];\n\n var funcName = getFuncName(func),\n data = funcName == 'wrapper' ? getData(func) : undefined;\n\n if (data && isLaziable(data[0]) &&\n data[1] == (WRAP_ARY_FLAG | WRAP_CURRY_FLAG | WRAP_PARTIAL_FLAG | WRAP_REARG_FLAG) &&\n !data[4].length && data[9] == 1\n ) {\n wrapper = wrapper[getFuncName(data[0])].apply(wrapper, data[3]);\n } else {\n wrapper = (func.length == 1 && isLaziable(func))\n ? wrapper[funcName]()\n : wrapper.thru(func);\n }\n }\n return function() {\n var args = arguments,\n value = args[0];\n\n if (wrapper && args.length == 1 && isArray(value)) {\n return wrapper.plant(value).value();\n }\n var index = 0,\n result = length ? funcs[index].apply(this, args) : value;\n\n while (++index < length) {\n result = funcs[index].call(this, result);\n }\n return result;\n };\n });\n }\n\n /**\n * Creates a function that wraps `func` to invoke it with optional `this`\n * binding of `thisArg`, partial application, and currying.\n *\n * @private\n * @param {Function|string} func The function or method name to wrap.\n * @param {number} bitmask The bitmask flags. See `createWrap` for more details.\n * @param {*} [thisArg] The `this` binding of `func`.\n * @param {Array} [partials] The arguments to prepend to those provided to\n * the new function.\n * @param {Array} [holders] The `partials` placeholder indexes.\n * @param {Array} [partialsRight] The arguments to append to those provided\n * to the new function.\n * @param {Array} [holdersRight] The `partialsRight` placeholder indexes.\n * @param {Array} [argPos] The argument positions of the new function.\n * @param {number} [ary] The arity cap of `func`.\n * @param {number} [arity] The arity of `func`.\n * @returns {Function} Returns the new wrapped function.\n */\n function createHybrid(func, bitmask, thisArg, partials, holders, partialsRight, holdersRight, argPos, ary, arity) {\n var isAry = bitmask & WRAP_ARY_FLAG,\n isBind = bitmask & WRAP_BIND_FLAG,\n isBindKey = bitmask & WRAP_BIND_KEY_FLAG,\n isCurried = bitmask & (WRAP_CURRY_FLAG | WRAP_CURRY_RIGHT_FLAG),\n isFlip = bitmask & WRAP_FLIP_FLAG,\n Ctor = isBindKey ? undefined : createCtor(func);\n\n function wrapper() {\n var length = arguments.length,\n args = Array(length),\n index = length;\n\n while (index--) {\n args[index] = arguments[index];\n }\n if (isCurried) {\n var placeholder = getHolder(wrapper),\n holdersCount = countHolders(args, placeholder);\n }\n if (partials) {\n args = composeArgs(args, partials, holders, isCurried);\n }\n if (partialsRight) {\n args = composeArgsRight(args, partialsRight, holdersRight, isCurried);\n }\n length -= holdersCount;\n if (isCurried && length < arity) {\n var newHolders = replaceHolders(args, placeholder);\n return createRecurry(\n func, bitmask, createHybrid, wrapper.placeholder, thisArg,\n args, newHolders, argPos, ary, arity - length\n );\n }\n var thisBinding = isBind ? thisArg : this,\n fn = isBindKey ? thisBinding[func] : func;\n\n length = args.length;\n if (argPos) {\n args = reorder(args, argPos);\n } else if (isFlip && length > 1) {\n args.reverse();\n }\n if (isAry && ary < length) {\n args.length = ary;\n }\n if (this && this !== root && this instanceof wrapper) {\n fn = Ctor || createCtor(fn);\n }\n return fn.apply(thisBinding, args);\n }\n return wrapper;\n }\n\n /**\n * Creates a function like `_.invertBy`.\n *\n * @private\n * @param {Function} setter The function to set accumulator values.\n * @param {Function} toIteratee The function to resolve iteratees.\n * @returns {Function} Returns the new inverter function.\n */\n function createInverter(setter, toIteratee) {\n return function(object, iteratee) {\n return baseInverter(object, setter, toIteratee(iteratee), {});\n };\n }\n\n /**\n * Creates a function that performs a mathematical operation on two values.\n *\n * @private\n * @param {Function} operator The function to perform the operation.\n * @param {number} [defaultValue] The value used for `undefined` arguments.\n * @returns {Function} Returns the new mathematical operation function.\n */\n function createMathOperation(operator, defaultValue) {\n return function(value, other) {\n var result;\n if (value === undefined && other === undefined) {\n return defaultValue;\n }\n if (value !== undefined) {\n result = value;\n }\n if (other !== undefined) {\n if (result === undefined) {\n return other;\n }\n if (typeof value == 'string' || typeof other == 'string') {\n value = baseToString(value);\n other = baseToString(other);\n } else {\n value = baseToNumber(value);\n other = baseToNumber(other);\n }\n result = operator(value, other);\n }\n return result;\n };\n }\n\n /**\n * Creates a function like `_.over`.\n *\n * @private\n * @param {Function} arrayFunc The function to iterate over iteratees.\n * @returns {Function} Returns the new over function.\n */\n function createOver(arrayFunc) {\n return flatRest(function(iteratees) {\n iteratees = arrayMap(iteratees, baseUnary(getIteratee()));\n return baseRest(function(args) {\n var thisArg = this;\n return arrayFunc(iteratees, function(iteratee) {\n return apply(iteratee, thisArg, args);\n });\n });\n });\n }\n\n /**\n * Creates the padding for `string` based on `length`. The `chars` string\n * is truncated if the number of characters exceeds `length`.\n *\n * @private\n * @param {number} length The padding length.\n * @param {string} [chars=' '] The string used as padding.\n * @returns {string} Returns the padding for `string`.\n */\n function createPadding(length, chars) {\n chars = chars === undefined ? ' ' : baseToString(chars);\n\n var charsLength = chars.length;\n if (charsLength < 2) {\n return charsLength ? baseRepeat(chars, length) : chars;\n }\n var result = baseRepeat(chars, nativeCeil(length / stringSize(chars)));\n return hasUnicode(chars)\n ? castSlice(stringToArray(result), 0, length).join('')\n : result.slice(0, length);\n }\n\n /**\n * Creates a function that wraps `func` to invoke it with the `this` binding\n * of `thisArg` and `partials` prepended to the arguments it receives.\n *\n * @private\n * @param {Function} func The function to wrap.\n * @param {number} bitmask The bitmask flags. See `createWrap` for more details.\n * @param {*} thisArg The `this` binding of `func`.\n * @param {Array} partials The arguments to prepend to those provided to\n * the new function.\n * @returns {Function} Returns the new wrapped function.\n */\n function createPartial(func, bitmask, thisArg, partials) {\n var isBind = bitmask & WRAP_BIND_FLAG,\n Ctor = createCtor(func);\n\n function wrapper() {\n var argsIndex = -1,\n argsLength = arguments.length,\n leftIndex = -1,\n leftLength = partials.length,\n args = Array(leftLength + argsLength),\n fn = (this && this !== root && this instanceof wrapper) ? Ctor : func;\n\n while (++leftIndex < leftLength) {\n args[leftIndex] = partials[leftIndex];\n }\n while (argsLength--) {\n args[leftIndex++] = arguments[++argsIndex];\n }\n return apply(fn, isBind ? thisArg : this, args);\n }\n return wrapper;\n }\n\n /**\n * Creates a `_.range` or `_.rangeRight` function.\n *\n * @private\n * @param {boolean} [fromRight] Specify iterating from right to left.\n * @returns {Function} Returns the new range function.\n */\n function createRange(fromRight) {\n return function(start, end, step) {\n if (step && typeof step != 'number' && isIterateeCall(start, end, step)) {\n end = step = undefined;\n }\n // Ensure the sign of `-0` is preserved.\n start = toFinite(start);\n if (end === undefined) {\n end = start;\n start = 0;\n } else {\n end = toFinite(end);\n }\n step = step === undefined ? (start < end ? 1 : -1) : toFinite(step);\n return baseRange(start, end, step, fromRight);\n };\n }\n\n /**\n * Creates a function that performs a relational operation on two values.\n *\n * @private\n * @param {Function} operator The function to perform the operation.\n * @returns {Function} Returns the new relational operation function.\n */\n function createRelationalOperation(operator) {\n return function(value, other) {\n if (!(typeof value == 'string' && typeof other == 'string')) {\n value = toNumber(value);\n other = toNumber(other);\n }\n return operator(value, other);\n };\n }\n\n /**\n * Creates a function that wraps `func` to continue currying.\n *\n * @private\n * @param {Function} func The function to wrap.\n * @param {number} bitmask The bitmask flags. See `createWrap` for more details.\n * @param {Function} wrapFunc The function to create the `func` wrapper.\n * @param {*} placeholder The placeholder value.\n * @param {*} [thisArg] The `this` binding of `func`.\n * @param {Array} [partials] The arguments to prepend to those provided to\n * the new function.\n * @param {Array} [holders] The `partials` placeholder indexes.\n * @param {Array} [argPos] The argument positions of the new function.\n * @param {number} [ary] The arity cap of `func`.\n * @param {number} [arity] The arity of `func`.\n * @returns {Function} Returns the new wrapped function.\n */\n function createRecurry(func, bitmask, wrapFunc, placeholder, thisArg, partials, holders, argPos, ary, arity) {\n var isCurry = bitmask & WRAP_CURRY_FLAG,\n newHolders = isCurry ? holders : undefined,\n newHoldersRight = isCurry ? undefined : holders,\n newPartials = isCurry ? partials : undefined,\n newPartialsRight = isCurry ? undefined : partials;\n\n bitmask |= (isCurry ? WRAP_PARTIAL_FLAG : WRAP_PARTIAL_RIGHT_FLAG);\n bitmask &= ~(isCurry ? WRAP_PARTIAL_RIGHT_FLAG : WRAP_PARTIAL_FLAG);\n\n if (!(bitmask & WRAP_CURRY_BOUND_FLAG)) {\n bitmask &= ~(WRAP_BIND_FLAG | WRAP_BIND_KEY_FLAG);\n }\n var newData = [\n func, bitmask, thisArg, newPartials, newHolders, newPartialsRight,\n newHoldersRight, argPos, ary, arity\n ];\n\n var result = wrapFunc.apply(undefined, newData);\n if (isLaziable(func)) {\n setData(result, newData);\n }\n result.placeholder = placeholder;\n return setWrapToString(result, func, bitmask);\n }\n\n /**\n * Creates a function like `_.round`.\n *\n * @private\n * @param {string} methodName The name of the `Math` method to use when rounding.\n * @returns {Function} Returns the new round function.\n */\n function createRound(methodName) {\n var func = Math[methodName];\n return function(number, precision) {\n number = toNumber(number);\n precision = precision == null ? 0 : nativeMin(toInteger(precision), 292);\n if (precision && nativeIsFinite(number)) {\n // Shift with exponential notation to avoid floating-point issues.\n // See [MDN](https://mdn.io/round#Examples) for more details.\n var pair = (toString(number) + 'e').split('e'),\n value = func(pair[0] + 'e' + (+pair[1] + precision));\n\n pair = (toString(value) + 'e').split('e');\n return +(pair[0] + 'e' + (+pair[1] - precision));\n }\n return func(number);\n };\n }\n\n /**\n * Creates a set object of `values`.\n *\n * @private\n * @param {Array} values The values to add to the set.\n * @returns {Object} Returns the new set.\n */\n var createSet = !(Set && (1 / setToArray(new Set([,-0]))[1]) == INFINITY) ? noop : function(values) {\n return new Set(values);\n };\n\n /**\n * Creates a `_.toPairs` or `_.toPairsIn` function.\n *\n * @private\n * @param {Function} keysFunc The function to get the keys of a given object.\n * @returns {Function} Returns the new pairs function.\n */\n function createToPairs(keysFunc) {\n return function(object) {\n var tag = getTag(object);\n if (tag == mapTag) {\n return mapToArray(object);\n }\n if (tag == setTag) {\n return setToPairs(object);\n }\n return baseToPairs(object, keysFunc(object));\n };\n }\n\n /**\n * Creates a function that either curries or invokes `func` with optional\n * `this` binding and partially applied arguments.\n *\n * @private\n * @param {Function|string} func The function or method name to wrap.\n * @param {number} bitmask The bitmask flags.\n * 1 - `_.bind`\n * 2 - `_.bindKey`\n * 4 - `_.curry` or `_.curryRight` of a bound function\n * 8 - `_.curry`\n * 16 - `_.curryRight`\n * 32 - `_.partial`\n * 64 - `_.partialRight`\n * 128 - `_.rearg`\n * 256 - `_.ary`\n * 512 - `_.flip`\n * @param {*} [thisArg] The `this` binding of `func`.\n * @param {Array} [partials] The arguments to be partially applied.\n * @param {Array} [holders] The `partials` placeholder indexes.\n * @param {Array} [argPos] The argument positions of the new function.\n * @param {number} [ary] The arity cap of `func`.\n * @param {number} [arity] The arity of `func`.\n * @returns {Function} Returns the new wrapped function.\n */\n function createWrap(func, bitmask, thisArg, partials, holders, argPos, ary, arity) {\n var isBindKey = bitmask & WRAP_BIND_KEY_FLAG;\n if (!isBindKey && typeof func != 'function') {\n throw new TypeError(FUNC_ERROR_TEXT);\n }\n var length = partials ? partials.length : 0;\n if (!length) {\n bitmask &= ~(WRAP_PARTIAL_FLAG | WRAP_PARTIAL_RIGHT_FLAG);\n partials = holders = undefined;\n }\n ary = ary === undefined ? ary : nativeMax(toInteger(ary), 0);\n arity = arity === undefined ? arity : toInteger(arity);\n length -= holders ? holders.length : 0;\n\n if (bitmask & WRAP_PARTIAL_RIGHT_FLAG) {\n var partialsRight = partials,\n holdersRight = holders;\n\n partials = holders = undefined;\n }\n var data = isBindKey ? undefined : getData(func);\n\n var newData = [\n func, bitmask, thisArg, partials, holders, partialsRight, holdersRight,\n argPos, ary, arity\n ];\n\n if (data) {\n mergeData(newData, data);\n }\n func = newData[0];\n bitmask = newData[1];\n thisArg = newData[2];\n partials = newData[3];\n holders = newData[4];\n arity = newData[9] = newData[9] === undefined\n ? (isBindKey ? 0 : func.length)\n : nativeMax(newData[9] - length, 0);\n\n if (!arity && bitmask & (WRAP_CURRY_FLAG | WRAP_CURRY_RIGHT_FLAG)) {\n bitmask &= ~(WRAP_CURRY_FLAG | WRAP_CURRY_RIGHT_FLAG);\n }\n if (!bitmask || bitmask == WRAP_BIND_FLAG) {\n var result = createBind(func, bitmask, thisArg);\n } else if (bitmask == WRAP_CURRY_FLAG || bitmask == WRAP_CURRY_RIGHT_FLAG) {\n result = createCurry(func, bitmask, arity);\n } else if ((bitmask == WRAP_PARTIAL_FLAG || bitmask == (WRAP_BIND_FLAG | WRAP_PARTIAL_FLAG)) && !holders.length) {\n result = createPartial(func, bitmask, thisArg, partials);\n } else {\n result = createHybrid.apply(undefined, newData);\n }\n var setter = data ? baseSetData : setData;\n return setWrapToString(setter(result, newData), func, bitmask);\n }\n\n /**\n * Used by `_.defaults` to customize its `_.assignIn` use to assign properties\n * of source objects to the destination object for all destination properties\n * that resolve to `undefined`.\n *\n * @private\n * @param {*} objValue The destination value.\n * @param {*} srcValue The source value.\n * @param {string} key The key of the property to assign.\n * @param {Object} object The parent object of `objValue`.\n * @returns {*} Returns the value to assign.\n */\n function customDefaultsAssignIn(objValue, srcValue, key, object) {\n if (objValue === undefined ||\n (eq(objValue, objectProto[key]) && !hasOwnProperty.call(object, key))) {\n return srcValue;\n }\n return objValue;\n }\n\n /**\n * Used by `_.defaultsDeep` to customize its `_.merge` use to merge source\n * objects into destination objects that are passed thru.\n *\n * @private\n * @param {*} objValue The destination value.\n * @param {*} srcValue The source value.\n * @param {string} key The key of the property to merge.\n * @param {Object} object The parent object of `objValue`.\n * @param {Object} source The parent object of `srcValue`.\n * @param {Object} [stack] Tracks traversed source values and their merged\n * counterparts.\n * @returns {*} Returns the value to assign.\n */\n function customDefaultsMerge(objValue, srcValue, key, object, source, stack) {\n if (isObject(objValue) && isObject(srcValue)) {\n // Recursively merge objects and arrays (susceptible to call stack limits).\n stack.set(srcValue, objValue);\n baseMerge(objValue, srcValue, undefined, customDefaultsMerge, stack);\n stack['delete'](srcValue);\n }\n return objValue;\n }\n\n /**\n * Used by `_.omit` to customize its `_.cloneDeep` use to only clone plain\n * objects.\n *\n * @private\n * @param {*} value The value to inspect.\n * @param {string} key The key of the property to inspect.\n * @returns {*} Returns the uncloned value or `undefined` to defer cloning to `_.cloneDeep`.\n */\n function customOmitClone(value) {\n return isPlainObject(value) ? undefined : value;\n }\n\n /**\n * A specialized version of `baseIsEqualDeep` for arrays with support for\n * partial deep comparisons.\n *\n * @private\n * @param {Array} array The array to compare.\n * @param {Array} other The other array to compare.\n * @param {number} bitmask The bitmask flags. See `baseIsEqual` for more details.\n * @param {Function} customizer The function to customize comparisons.\n * @param {Function} equalFunc The function to determine equivalents of values.\n * @param {Object} stack Tracks traversed `array` and `other` objects.\n * @returns {boolean} Returns `true` if the arrays are equivalent, else `false`.\n */\n function equalArrays(array, other, bitmask, customizer, equalFunc, stack) {\n var isPartial = bitmask & COMPARE_PARTIAL_FLAG,\n arrLength = array.length,\n othLength = other.length;\n\n if (arrLength != othLength && !(isPartial && othLength > arrLength)) {\n return false;\n }\n // Assume cyclic values are equal.\n var stacked = stack.get(array);\n if (stacked && stack.get(other)) {\n return stacked == other;\n }\n var index = -1,\n result = true,\n seen = (bitmask & COMPARE_UNORDERED_FLAG) ? new SetCache : undefined;\n\n stack.set(array, other);\n stack.set(other, array);\n\n // Ignore non-index properties.\n while (++index < arrLength) {\n var arrValue = array[index],\n othValue = other[index];\n\n if (customizer) {\n var compared = isPartial\n ? customizer(othValue, arrValue, index, other, array, stack)\n : customizer(arrValue, othValue, index, array, other, stack);\n }\n if (compared !== undefined) {\n if (compared) {\n continue;\n }\n result = false;\n break;\n }\n // Recursively compare arrays (susceptible to call stack limits).\n if (seen) {\n if (!arraySome(other, function(othValue, othIndex) {\n if (!cacheHas(seen, othIndex) &&\n (arrValue === othValue || equalFunc(arrValue, othValue, bitmask, customizer, stack))) {\n return seen.push(othIndex);\n }\n })) {\n result = false;\n break;\n }\n } else if (!(\n arrValue === othValue ||\n equalFunc(arrValue, othValue, bitmask, customizer, stack)\n )) {\n result = false;\n break;\n }\n }\n stack['delete'](array);\n stack['delete'](other);\n return result;\n }\n\n /**\n * A specialized version of `baseIsEqualDeep` for comparing objects of\n * the same `toStringTag`.\n *\n * **Note:** This function only supports comparing values with tags of\n * `Boolean`, `Date`, `Error`, `Number`, `RegExp`, or `String`.\n *\n * @private\n * @param {Object} object The object to compare.\n * @param {Object} other The other object to compare.\n * @param {string} tag The `toStringTag` of the objects to compare.\n * @param {number} bitmask The bitmask flags. See `baseIsEqual` for more details.\n * @param {Function} customizer The function to customize comparisons.\n * @param {Function} equalFunc The function to determine equivalents of values.\n * @param {Object} stack Tracks traversed `object` and `other` objects.\n * @returns {boolean} Returns `true` if the objects are equivalent, else `false`.\n */\n function equalByTag(object, other, tag, bitmask, customizer, equalFunc, stack) {\n switch (tag) {\n case dataViewTag:\n if ((object.byteLength != other.byteLength) ||\n (object.byteOffset != other.byteOffset)) {\n return false;\n }\n object = object.buffer;\n other = other.buffer;\n\n case arrayBufferTag:\n if ((object.byteLength != other.byteLength) ||\n !equalFunc(new Uint8Array(object), new Uint8Array(other))) {\n return false;\n }\n return true;\n\n case boolTag:\n case dateTag:\n case numberTag:\n // Coerce booleans to `1` or `0` and dates to milliseconds.\n // Invalid dates are coerced to `NaN`.\n return eq(+object, +other);\n\n case errorTag:\n return object.name == other.name && object.message == other.message;\n\n case regexpTag:\n case stringTag:\n // Coerce regexes to strings and treat strings, primitives and objects,\n // as equal. See http://www.ecma-international.org/ecma-262/7.0/#sec-regexp.prototype.tostring\n // for more details.\n return object == (other + '');\n\n case mapTag:\n var convert = mapToArray;\n\n case setTag:\n var isPartial = bitmask & COMPARE_PARTIAL_FLAG;\n convert || (convert = setToArray);\n\n if (object.size != other.size && !isPartial) {\n return false;\n }\n // Assume cyclic values are equal.\n var stacked = stack.get(object);\n if (stacked) {\n return stacked == other;\n }\n bitmask |= COMPARE_UNORDERED_FLAG;\n\n // Recursively compare objects (susceptible to call stack limits).\n stack.set(object, other);\n var result = equalArrays(convert(object), convert(other), bitmask, customizer, equalFunc, stack);\n stack['delete'](object);\n return result;\n\n case symbolTag:\n if (symbolValueOf) {\n return symbolValueOf.call(object) == symbolValueOf.call(other);\n }\n }\n return false;\n }\n\n /**\n * A specialized version of `baseIsEqualDeep` for objects with support for\n * partial deep comparisons.\n *\n * @private\n * @param {Object} object The object to compare.\n * @param {Object} other The other object to compare.\n * @param {number} bitmask The bitmask flags. See `baseIsEqual` for more details.\n * @param {Function} customizer The function to customize comparisons.\n * @param {Function} equalFunc The function to determine equivalents of values.\n * @param {Object} stack Tracks traversed `object` and `other` objects.\n * @returns {boolean} Returns `true` if the objects are equivalent, else `false`.\n */\n function equalObjects(object, other, bitmask, customizer, equalFunc, stack) {\n var isPartial = bitmask & COMPARE_PARTIAL_FLAG,\n objProps = getAllKeys(object),\n objLength = objProps.length,\n othProps = getAllKeys(other),\n othLength = othProps.length;\n\n if (objLength != othLength && !isPartial) {\n return false;\n }\n var index = objLength;\n while (index--) {\n var key = objProps[index];\n if (!(isPartial ? key in other : hasOwnProperty.call(other, key))) {\n return false;\n }\n }\n // Assume cyclic values are equal.\n var stacked = stack.get(object);\n if (stacked && stack.get(other)) {\n return stacked == other;\n }\n var result = true;\n stack.set(object, other);\n stack.set(other, object);\n\n var skipCtor = isPartial;\n while (++index < objLength) {\n key = objProps[index];\n var objValue = object[key],\n othValue = other[key];\n\n if (customizer) {\n var compared = isPartial\n ? customizer(othValue, objValue, key, other, object, stack)\n : customizer(objValue, othValue, key, object, other, stack);\n }\n // Recursively compare objects (susceptible to call stack limits).\n if (!(compared === undefined\n ? (objValue === othValue || equalFunc(objValue, othValue, bitmask, customizer, stack))\n : compared\n )) {\n result = false;\n break;\n }\n skipCtor || (skipCtor = key == 'constructor');\n }\n if (result && !skipCtor) {\n var objCtor = object.constructor,\n othCtor = other.constructor;\n\n // Non `Object` object instances with different constructors are not equal.\n if (objCtor != othCtor &&\n ('constructor' in object && 'constructor' in other) &&\n !(typeof objCtor == 'function' && objCtor instanceof objCtor &&\n typeof othCtor == 'function' && othCtor instanceof othCtor)) {\n result = false;\n }\n }\n stack['delete'](object);\n stack['delete'](other);\n return result;\n }\n\n /**\n * A specialized version of `baseRest` which flattens the rest array.\n *\n * @private\n * @param {Function} func The function to apply a rest parameter to.\n * @returns {Function} Returns the new function.\n */\n function flatRest(func) {\n return setToString(overRest(func, undefined, flatten), func + '');\n }\n\n /**\n * Creates an array of own enumerable property names and symbols of `object`.\n *\n * @private\n * @param {Object} object The object to query.\n * @returns {Array} Returns the array of property names and symbols.\n */\n function getAllKeys(object) {\n return baseGetAllKeys(object, keys, getSymbols);\n }\n\n /**\n * Creates an array of own and inherited enumerable property names and\n * symbols of `object`.\n *\n * @private\n * @param {Object} object The object to query.\n * @returns {Array} Returns the array of property names and symbols.\n */\n function getAllKeysIn(object) {\n return baseGetAllKeys(object, keysIn, getSymbolsIn);\n }\n\n /**\n * Gets metadata for `func`.\n *\n * @private\n * @param {Function} func The function to query.\n * @returns {*} Returns the metadata for `func`.\n */\n var getData = !metaMap ? noop : function(func) {\n return metaMap.get(func);\n };\n\n /**\n * Gets the name of `func`.\n *\n * @private\n * @param {Function} func The function to query.\n * @returns {string} Returns the function name.\n */\n function getFuncName(func) {\n var result = (func.name + ''),\n array = realNames[result],\n length = hasOwnProperty.call(realNames, result) ? array.length : 0;\n\n while (length--) {\n var data = array[length],\n otherFunc = data.func;\n if (otherFunc == null || otherFunc == func) {\n return data.name;\n }\n }\n return result;\n }\n\n /**\n * Gets the argument placeholder value for `func`.\n *\n * @private\n * @param {Function} func The function to inspect.\n * @returns {*} Returns the placeholder value.\n */\n function getHolder(func) {\n var object = hasOwnProperty.call(lodash, 'placeholder') ? lodash : func;\n return object.placeholder;\n }\n\n /**\n * Gets the appropriate \"iteratee\" function. If `_.iteratee` is customized,\n * this function returns the custom method, otherwise it returns `baseIteratee`.\n * If arguments are provided, the chosen function is invoked with them and\n * its result is returned.\n *\n * @private\n * @param {*} [value] The value to convert to an iteratee.\n * @param {number} [arity] The arity of the created iteratee.\n * @returns {Function} Returns the chosen function or its result.\n */\n function getIteratee() {\n var result = lodash.iteratee || iteratee;\n result = result === iteratee ? baseIteratee : result;\n return arguments.length ? result(arguments[0], arguments[1]) : result;\n }\n\n /**\n * Gets the data for `map`.\n *\n * @private\n * @param {Object} map The map to query.\n * @param {string} key The reference key.\n * @returns {*} Returns the map data.\n */\n function getMapData(map, key) {\n var data = map.__data__;\n return isKeyable(key)\n ? data[typeof key == 'string' ? 'string' : 'hash']\n : data.map;\n }\n\n /**\n * Gets the property names, values, and compare flags of `object`.\n *\n * @private\n * @param {Object} object The object to query.\n * @returns {Array} Returns the match data of `object`.\n */\n function getMatchData(object) {\n var result = keys(object),\n length = result.length;\n\n while (length--) {\n var key = result[length],\n value = object[key];\n\n result[length] = [key, value, isStrictComparable(value)];\n }\n return result;\n }\n\n /**\n * Gets the native function at `key` of `object`.\n *\n * @private\n * @param {Object} object The object to query.\n * @param {string} key The key of the method to get.\n * @returns {*} Returns the function if it's native, else `undefined`.\n */\n function getNative(object, key) {\n var value = getValue(object, key);\n return baseIsNative(value) ? value : undefined;\n }\n\n /**\n * A specialized version of `baseGetTag` which ignores `Symbol.toStringTag` values.\n *\n * @private\n * @param {*} value The value to query.\n * @returns {string} Returns the raw `toStringTag`.\n */\n function getRawTag(value) {\n var isOwn = hasOwnProperty.call(value, symToStringTag),\n tag = value[symToStringTag];\n\n try {\n value[symToStringTag] = undefined;\n var unmasked = true;\n } catch (e) {}\n\n var result = nativeObjectToString.call(value);\n if (unmasked) {\n if (isOwn) {\n value[symToStringTag] = tag;\n } else {\n delete value[symToStringTag];\n }\n }\n return result;\n }\n\n /**\n * Creates an array of the own enumerable symbols of `object`.\n *\n * @private\n * @param {Object} object The object to query.\n * @returns {Array} Returns the array of symbols.\n */\n var getSymbols = !nativeGetSymbols ? stubArray : function(object) {\n if (object == null) {\n return [];\n }\n object = Object(object);\n return arrayFilter(nativeGetSymbols(object), function(symbol) {\n return propertyIsEnumerable.call(object, symbol);\n });\n };\n\n /**\n * Creates an array of the own and inherited enumerable symbols of `object`.\n *\n * @private\n * @param {Object} object The object to query.\n * @returns {Array} Returns the array of symbols.\n */\n var getSymbolsIn = !nativeGetSymbols ? stubArray : function(object) {\n var result = [];\n while (object) {\n arrayPush(result, getSymbols(object));\n object = getPrototype(object);\n }\n return result;\n };\n\n /**\n * Gets the `toStringTag` of `value`.\n *\n * @private\n * @param {*} value The value to query.\n * @returns {string} Returns the `toStringTag`.\n */\n var getTag = baseGetTag;\n\n // Fallback for data views, maps, sets, and weak maps in IE 11 and promises in Node.js < 6.\n if ((DataView && getTag(new DataView(new ArrayBuffer(1))) != dataViewTag) ||\n (Map && getTag(new Map) != mapTag) ||\n (Promise && getTag(Promise.resolve()) != promiseTag) ||\n (Set && getTag(new Set) != setTag) ||\n (WeakMap && getTag(new WeakMap) != weakMapTag)) {\n getTag = function(value) {\n var result = baseGetTag(value),\n Ctor = result == objectTag ? value.constructor : undefined,\n ctorString = Ctor ? toSource(Ctor) : '';\n\n if (ctorString) {\n switch (ctorString) {\n case dataViewCtorString: return dataViewTag;\n case mapCtorString: return mapTag;\n case promiseCtorString: return promiseTag;\n case setCtorString: return setTag;\n case weakMapCtorString: return weakMapTag;\n }\n }\n return result;\n };\n }\n\n /**\n * Gets the view, applying any `transforms` to the `start` and `end` positions.\n *\n * @private\n * @param {number} start The start of the view.\n * @param {number} end The end of the view.\n * @param {Array} transforms The transformations to apply to the view.\n * @returns {Object} Returns an object containing the `start` and `end`\n * positions of the view.\n */\n function getView(start, end, transforms) {\n var index = -1,\n length = transforms.length;\n\n while (++index < length) {\n var data = transforms[index],\n size = data.size;\n\n switch (data.type) {\n case 'drop': start += size; break;\n case 'dropRight': end -= size; break;\n case 'take': end = nativeMin(end, start + size); break;\n case 'takeRight': start = nativeMax(start, end - size); break;\n }\n }\n return { 'start': start, 'end': end };\n }\n\n /**\n * Extracts wrapper details from the `source` body comment.\n *\n * @private\n * @param {string} source The source to inspect.\n * @returns {Array} Returns the wrapper details.\n */\n function getWrapDetails(source) {\n var match = source.match(reWrapDetails);\n return match ? match[1].split(reSplitDetails) : [];\n }\n\n /**\n * Checks if `path` exists on `object`.\n *\n * @private\n * @param {Object} object The object to query.\n * @param {Array|string} path The path to check.\n * @param {Function} hasFunc The function to check properties.\n * @returns {boolean} Returns `true` if `path` exists, else `false`.\n */\n function hasPath(object, path, hasFunc) {\n path = castPath(path, object);\n\n var index = -1,\n length = path.length,\n result = false;\n\n while (++index < length) {\n var key = toKey(path[index]);\n if (!(result = object != null && hasFunc(object, key))) {\n break;\n }\n object = object[key];\n }\n if (result || ++index != length) {\n return result;\n }\n length = object == null ? 0 : object.length;\n return !!length && isLength(length) && isIndex(key, length) &&\n (isArray(object) || isArguments(object));\n }\n\n /**\n * Initializes an array clone.\n *\n * @private\n * @param {Array} array The array to clone.\n * @returns {Array} Returns the initialized clone.\n */\n function initCloneArray(array) {\n var length = array.length,\n result = new array.constructor(length);\n\n // Add properties assigned by `RegExp#exec`.\n if (length && typeof array[0] == 'string' && hasOwnProperty.call(array, 'index')) {\n result.index = array.index;\n result.input = array.input;\n }\n return result;\n }\n\n /**\n * Initializes an object clone.\n *\n * @private\n * @param {Object} object The object to clone.\n * @returns {Object} Returns the initialized clone.\n */\n function initCloneObject(object) {\n return (typeof object.constructor == 'function' && !isPrototype(object))\n ? baseCreate(getPrototype(object))\n : {};\n }\n\n /**\n * Initializes an object clone based on its `toStringTag`.\n *\n * **Note:** This function only supports cloning values with tags of\n * `Boolean`, `Date`, `Error`, `Map`, `Number`, `RegExp`, `Set`, or `String`.\n *\n * @private\n * @param {Object} object The object to clone.\n * @param {string} tag The `toStringTag` of the object to clone.\n * @param {boolean} [isDeep] Specify a deep clone.\n * @returns {Object} Returns the initialized clone.\n */\n function initCloneByTag(object, tag, isDeep) {\n var Ctor = object.constructor;\n switch (tag) {\n case arrayBufferTag:\n return cloneArrayBuffer(object);\n\n case boolTag:\n case dateTag:\n return new Ctor(+object);\n\n case dataViewTag:\n return cloneDataView(object, isDeep);\n\n case float32Tag: case float64Tag:\n case int8Tag: case int16Tag: case int32Tag:\n case uint8Tag: case uint8ClampedTag: case uint16Tag: case uint32Tag:\n return cloneTypedArray(object, isDeep);\n\n case mapTag:\n return new Ctor;\n\n case numberTag:\n case stringTag:\n return new Ctor(object);\n\n case regexpTag:\n return cloneRegExp(object);\n\n case setTag:\n return new Ctor;\n\n case symbolTag:\n return cloneSymbol(object);\n }\n }\n\n /**\n * Inserts wrapper `details` in a comment at the top of the `source` body.\n *\n * @private\n * @param {string} source The source to modify.\n * @returns {Array} details The details to insert.\n * @returns {string} Returns the modified source.\n */\n function insertWrapDetails(source, details) {\n var length = details.length;\n if (!length) {\n return source;\n }\n var lastIndex = length - 1;\n details[lastIndex] = (length > 1 ? '& ' : '') + details[lastIndex];\n details = details.join(length > 2 ? ', ' : ' ');\n return source.replace(reWrapComment, '{\\n/* [wrapped with ' + details + '] */\\n');\n }\n\n /**\n * Checks if `value` is a flattenable `arguments` object or array.\n *\n * @private\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is flattenable, else `false`.\n */\n function isFlattenable(value) {\n return isArray(value) || isArguments(value) ||\n !!(spreadableSymbol && value && value[spreadableSymbol]);\n }\n\n /**\n * Checks if `value` is a valid array-like index.\n *\n * @private\n * @param {*} value The value to check.\n * @param {number} [length=MAX_SAFE_INTEGER] The upper bounds of a valid index.\n * @returns {boolean} Returns `true` if `value` is a valid index, else `false`.\n */\n function isIndex(value, length) {\n var type = typeof value;\n length = length == null ? MAX_SAFE_INTEGER : length;\n\n return !!length &&\n (type == 'number' ||\n (type != 'symbol' && reIsUint.test(value))) &&\n (value > -1 && value % 1 == 0 && value < length);\n }\n\n /**\n * Checks if the given arguments are from an iteratee call.\n *\n * @private\n * @param {*} value The potential iteratee value argument.\n * @param {*} index The potential iteratee index or key argument.\n * @param {*} object The potential iteratee object argument.\n * @returns {boolean} Returns `true` if the arguments are from an iteratee call,\n * else `false`.\n */\n function isIterateeCall(value, index, object) {\n if (!isObject(object)) {\n return false;\n }\n var type = typeof index;\n if (type == 'number'\n ? (isArrayLike(object) && isIndex(index, object.length))\n : (type == 'string' && index in object)\n ) {\n return eq(object[index], value);\n }\n return false;\n }\n\n /**\n * Checks if `value` is a property name and not a property path.\n *\n * @private\n * @param {*} value The value to check.\n * @param {Object} [object] The object to query keys on.\n * @returns {boolean} Returns `true` if `value` is a property name, else `false`.\n */\n function isKey(value, object) {\n if (isArray(value)) {\n return false;\n }\n var type = typeof value;\n if (type == 'number' || type == 'symbol' || type == 'boolean' ||\n value == null || isSymbol(value)) {\n return true;\n }\n return reIsPlainProp.test(value) || !reIsDeepProp.test(value) ||\n (object != null && value in Object(object));\n }\n\n /**\n * Checks if `value` is suitable for use as unique object key.\n *\n * @private\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is suitable, else `false`.\n */\n function isKeyable(value) {\n var type = typeof value;\n return (type == 'string' || type == 'number' || type == 'symbol' || type == 'boolean')\n ? (value !== '__proto__')\n : (value === null);\n }\n\n /**\n * Checks if `func` has a lazy counterpart.\n *\n * @private\n * @param {Function} func The function to check.\n * @returns {boolean} Returns `true` if `func` has a lazy counterpart,\n * else `false`.\n */\n function isLaziable(func) {\n var funcName = getFuncName(func),\n other = lodash[funcName];\n\n if (typeof other != 'function' || !(funcName in LazyWrapper.prototype)) {\n return false;\n }\n if (func === other) {\n return true;\n }\n var data = getData(other);\n return !!data && func === data[0];\n }\n\n /**\n * Checks if `func` has its source masked.\n *\n * @private\n * @param {Function} func The function to check.\n * @returns {boolean} Returns `true` if `func` is masked, else `false`.\n */\n function isMasked(func) {\n return !!maskSrcKey && (maskSrcKey in func);\n }\n\n /**\n * Checks if `func` is capable of being masked.\n *\n * @private\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `func` is maskable, else `false`.\n */\n var isMaskable = coreJsData ? isFunction : stubFalse;\n\n /**\n * Checks if `value` is likely a prototype object.\n *\n * @private\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is a prototype, else `false`.\n */\n function isPrototype(value) {\n var Ctor = value && value.constructor,\n proto = (typeof Ctor == 'function' && Ctor.prototype) || objectProto;\n\n return value === proto;\n }\n\n /**\n * Checks if `value` is suitable for strict equality comparisons, i.e. `===`.\n *\n * @private\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` if suitable for strict\n * equality comparisons, else `false`.\n */\n function isStrictComparable(value) {\n return value === value && !isObject(value);\n }\n\n /**\n * A specialized version of `matchesProperty` for source values suitable\n * for strict equality comparisons, i.e. `===`.\n *\n * @private\n * @param {string} key The key of the property to get.\n * @param {*} srcValue The value to match.\n * @returns {Function} Returns the new spec function.\n */\n function matchesStrictComparable(key, srcValue) {\n return function(object) {\n if (object == null) {\n return false;\n }\n return object[key] === srcValue &&\n (srcValue !== undefined || (key in Object(object)));\n };\n }\n\n /**\n * A specialized version of `_.memoize` which clears the memoized function's\n * cache when it exceeds `MAX_MEMOIZE_SIZE`.\n *\n * @private\n * @param {Function} func The function to have its output memoized.\n * @returns {Function} Returns the new memoized function.\n */\n function memoizeCapped(func) {\n var result = memoize(func, function(key) {\n if (cache.size === MAX_MEMOIZE_SIZE) {\n cache.clear();\n }\n return key;\n });\n\n var cache = result.cache;\n return result;\n }\n\n /**\n * Merges the function metadata of `source` into `data`.\n *\n * Merging metadata reduces the number of wrappers used to invoke a function.\n * This is possible because methods like `_.bind`, `_.curry`, and `_.partial`\n * may be applied regardless of execution order. Methods like `_.ary` and\n * `_.rearg` modify function arguments, making the order in which they are\n * executed important, preventing the merging of metadata. However, we make\n * an exception for a safe combined case where curried functions have `_.ary`\n * and or `_.rearg` applied.\n *\n * @private\n * @param {Array} data The destination metadata.\n * @param {Array} source The source metadata.\n * @returns {Array} Returns `data`.\n */\n function mergeData(data, source) {\n var bitmask = data[1],\n srcBitmask = source[1],\n newBitmask = bitmask | srcBitmask,\n isCommon = newBitmask < (WRAP_BIND_FLAG | WRAP_BIND_KEY_FLAG | WRAP_ARY_FLAG);\n\n var isCombo =\n ((srcBitmask == WRAP_ARY_FLAG) && (bitmask == WRAP_CURRY_FLAG)) ||\n ((srcBitmask == WRAP_ARY_FLAG) && (bitmask == WRAP_REARG_FLAG) && (data[7].length <= source[8])) ||\n ((srcBitmask == (WRAP_ARY_FLAG | WRAP_REARG_FLAG)) && (source[7].length <= source[8]) && (bitmask == WRAP_CURRY_FLAG));\n\n // Exit early if metadata can't be merged.\n if (!(isCommon || isCombo)) {\n return data;\n }\n // Use source `thisArg` if available.\n if (srcBitmask & WRAP_BIND_FLAG) {\n data[2] = source[2];\n // Set when currying a bound function.\n newBitmask |= bitmask & WRAP_BIND_FLAG ? 0 : WRAP_CURRY_BOUND_FLAG;\n }\n // Compose partial arguments.\n var value = source[3];\n if (value) {\n var partials = data[3];\n data[3] = partials ? composeArgs(partials, value, source[4]) : value;\n data[4] = partials ? replaceHolders(data[3], PLACEHOLDER) : source[4];\n }\n // Compose partial right arguments.\n value = source[5];\n if (value) {\n partials = data[5];\n data[5] = partials ? composeArgsRight(partials, value, source[6]) : value;\n data[6] = partials ? replaceHolders(data[5], PLACEHOLDER) : source[6];\n }\n // Use source `argPos` if available.\n value = source[7];\n if (value) {\n data[7] = value;\n }\n // Use source `ary` if it's smaller.\n if (srcBitmask & WRAP_ARY_FLAG) {\n data[8] = data[8] == null ? source[8] : nativeMin(data[8], source[8]);\n }\n // Use source `arity` if one is not provided.\n if (data[9] == null) {\n data[9] = source[9];\n }\n // Use source `func` and merge bitmasks.\n data[0] = source[0];\n data[1] = newBitmask;\n\n return data;\n }\n\n /**\n * This function is like\n * [`Object.keys`](http://ecma-international.org/ecma-262/7.0/#sec-object.keys)\n * except that it includes inherited enumerable properties.\n *\n * @private\n * @param {Object} object The object to query.\n * @returns {Array} Returns the array of property names.\n */\n function nativeKeysIn(object) {\n var result = [];\n if (object != null) {\n for (var key in Object(object)) {\n result.push(key);\n }\n }\n return result;\n }\n\n /**\n * Converts `value` to a string using `Object.prototype.toString`.\n *\n * @private\n * @param {*} value The value to convert.\n * @returns {string} Returns the converted string.\n */\n function objectToString(value) {\n return nativeObjectToString.call(value);\n }\n\n /**\n * A specialized version of `baseRest` which transforms the rest array.\n *\n * @private\n * @param {Function} func The function to apply a rest parameter to.\n * @param {number} [start=func.length-1] The start position of the rest parameter.\n * @param {Function} transform The rest array transform.\n * @returns {Function} Returns the new function.\n */\n function overRest(func, start, transform) {\n start = nativeMax(start === undefined ? (func.length - 1) : start, 0);\n return function() {\n var args = arguments,\n index = -1,\n length = nativeMax(args.length - start, 0),\n array = Array(length);\n\n while (++index < length) {\n array[index] = args[start + index];\n }\n index = -1;\n var otherArgs = Array(start + 1);\n while (++index < start) {\n otherArgs[index] = args[index];\n }\n otherArgs[start] = transform(array);\n return apply(func, this, otherArgs);\n };\n }\n\n /**\n * Gets the parent value at `path` of `object`.\n *\n * @private\n * @param {Object} object The object to query.\n * @param {Array} path The path to get the parent value of.\n * @returns {*} Returns the parent value.\n */\n function parent(object, path) {\n return path.length < 2 ? object : baseGet(object, baseSlice(path, 0, -1));\n }\n\n /**\n * Reorder `array` according to the specified indexes where the element at\n * the first index is assigned as the first element, the element at\n * the second index is assigned as the second element, and so on.\n *\n * @private\n * @param {Array} array The array to reorder.\n * @param {Array} indexes The arranged array indexes.\n * @returns {Array} Returns `array`.\n */\n function reorder(array, indexes) {\n var arrLength = array.length,\n length = nativeMin(indexes.length, arrLength),\n oldArray = copyArray(array);\n\n while (length--) {\n var index = indexes[length];\n array[length] = isIndex(index, arrLength) ? oldArray[index] : undefined;\n }\n return array;\n }\n\n /**\n * Gets the value at `key`, unless `key` is \"__proto__\" or \"constructor\".\n *\n * @private\n * @param {Object} object The object to query.\n * @param {string} key The key of the property to get.\n * @returns {*} Returns the property value.\n */\n function safeGet(object, key) {\n if (key === 'constructor' && typeof object[key] === 'function') {\n return;\n }\n\n if (key == '__proto__') {\n return;\n }\n\n return object[key];\n }\n\n /**\n * Sets metadata for `func`.\n *\n * **Note:** If this function becomes hot, i.e. is invoked a lot in a short\n * period of time, it will trip its breaker and transition to an identity\n * function to avoid garbage collection pauses in V8. See\n * [V8 issue 2070](https://bugs.chromium.org/p/v8/issues/detail?id=2070)\n * for more details.\n *\n * @private\n * @param {Function} func The function to associate metadata with.\n * @param {*} data The metadata.\n * @returns {Function} Returns `func`.\n */\n var setData = shortOut(baseSetData);\n\n /**\n * A simple wrapper around the global [`setTimeout`](https://mdn.io/setTimeout).\n *\n * @private\n * @param {Function} func The function to delay.\n * @param {number} wait The number of milliseconds to delay invocation.\n * @returns {number|Object} Returns the timer id or timeout object.\n */\n var setTimeout = ctxSetTimeout || function(func, wait) {\n return root.setTimeout(func, wait);\n };\n\n /**\n * Sets the `toString` method of `func` to return `string`.\n *\n * @private\n * @param {Function} func The function to modify.\n * @param {Function} string The `toString` result.\n * @returns {Function} Returns `func`.\n */\n var setToString = shortOut(baseSetToString);\n\n /**\n * Sets the `toString` method of `wrapper` to mimic the source of `reference`\n * with wrapper details in a comment at the top of the source body.\n *\n * @private\n * @param {Function} wrapper The function to modify.\n * @param {Function} reference The reference function.\n * @param {number} bitmask The bitmask flags. See `createWrap` for more details.\n * @returns {Function} Returns `wrapper`.\n */\n function setWrapToString(wrapper, reference, bitmask) {\n var source = (reference + '');\n return setToString(wrapper, insertWrapDetails(source, updateWrapDetails(getWrapDetails(source), bitmask)));\n }\n\n /**\n * Creates a function that'll short out and invoke `identity` instead\n * of `func` when it's called `HOT_COUNT` or more times in `HOT_SPAN`\n * milliseconds.\n *\n * @private\n * @param {Function} func The function to restrict.\n * @returns {Function} Returns the new shortable function.\n */\n function shortOut(func) {\n var count = 0,\n lastCalled = 0;\n\n return function() {\n var stamp = nativeNow(),\n remaining = HOT_SPAN - (stamp - lastCalled);\n\n lastCalled = stamp;\n if (remaining > 0) {\n if (++count >= HOT_COUNT) {\n return arguments[0];\n }\n } else {\n count = 0;\n }\n return func.apply(undefined, arguments);\n };\n }\n\n /**\n * A specialized version of `_.shuffle` which mutates and sets the size of `array`.\n *\n * @private\n * @param {Array} array The array to shuffle.\n * @param {number} [size=array.length] The size of `array`.\n * @returns {Array} Returns `array`.\n */\n function shuffleSelf(array, size) {\n var index = -1,\n length = array.length,\n lastIndex = length - 1;\n\n size = size === undefined ? length : size;\n while (++index < size) {\n var rand = baseRandom(index, lastIndex),\n value = array[rand];\n\n array[rand] = array[index];\n array[index] = value;\n }\n array.length = size;\n return array;\n }\n\n /**\n * Converts `string` to a property path array.\n *\n * @private\n * @param {string} string The string to convert.\n * @returns {Array} Returns the property path array.\n */\n var stringToPath = memoizeCapped(function(string) {\n var result = [];\n if (string.charCodeAt(0) === 46 /* . */) {\n result.push('');\n }\n string.replace(rePropName, function(match, number, quote, subString) {\n result.push(quote ? subString.replace(reEscapeChar, '$1') : (number || match));\n });\n return result;\n });\n\n /**\n * Converts `value` to a string key if it's not a string or symbol.\n *\n * @private\n * @param {*} value The value to inspect.\n * @returns {string|symbol} Returns the key.\n */\n function toKey(value) {\n if (typeof value == 'string' || isSymbol(value)) {\n return value;\n }\n var result = (value + '');\n return (result == '0' && (1 / value) == -INFINITY) ? '-0' : result;\n }\n\n /**\n * Converts `func` to its source code.\n *\n * @private\n * @param {Function} func The function to convert.\n * @returns {string} Returns the source code.\n */\n function toSource(func) {\n if (func != null) {\n try {\n return funcToString.call(func);\n } catch (e) {}\n try {\n return (func + '');\n } catch (e) {}\n }\n return '';\n }\n\n /**\n * Updates wrapper `details` based on `bitmask` flags.\n *\n * @private\n * @returns {Array} details The details to modify.\n * @param {number} bitmask The bitmask flags. See `createWrap` for more details.\n * @returns {Array} Returns `details`.\n */\n function updateWrapDetails(details, bitmask) {\n arrayEach(wrapFlags, function(pair) {\n var value = '_.' + pair[0];\n if ((bitmask & pair[1]) && !arrayIncludes(details, value)) {\n details.push(value);\n }\n });\n return details.sort();\n }\n\n /**\n * Creates a clone of `wrapper`.\n *\n * @private\n * @param {Object} wrapper The wrapper to clone.\n * @returns {Object} Returns the cloned wrapper.\n */\n function wrapperClone(wrapper) {\n if (wrapper instanceof LazyWrapper) {\n return wrapper.clone();\n }\n var result = new LodashWrapper(wrapper.__wrapped__, wrapper.__chain__);\n result.__actions__ = copyArray(wrapper.__actions__);\n result.__index__ = wrapper.__index__;\n result.__values__ = wrapper.__values__;\n return result;\n }\n\n /*------------------------------------------------------------------------*/\n\n /**\n * Creates an array of elements split into groups the length of `size`.\n * If `array` can't be split evenly, the final chunk will be the remaining\n * elements.\n *\n * @static\n * @memberOf _\n * @since 3.0.0\n * @category Array\n * @param {Array} array The array to process.\n * @param {number} [size=1] The length of each chunk\n * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n * @returns {Array} Returns the new array of chunks.\n * @example\n *\n * _.chunk(['a', 'b', 'c', 'd'], 2);\n * // => [['a', 'b'], ['c', 'd']]\n *\n * _.chunk(['a', 'b', 'c', 'd'], 3);\n * // => [['a', 'b', 'c'], ['d']]\n */\n function chunk(array, size, guard) {\n if ((guard ? isIterateeCall(array, size, guard) : size === undefined)) {\n size = 1;\n } else {\n size = nativeMax(toInteger(size), 0);\n }\n var length = array == null ? 0 : array.length;\n if (!length || size < 1) {\n return [];\n }\n var index = 0,\n resIndex = 0,\n result = Array(nativeCeil(length / size));\n\n while (index < length) {\n result[resIndex++] = baseSlice(array, index, (index += size));\n }\n return result;\n }\n\n /**\n * Creates an array with all falsey values removed. The values `false`, `null`,\n * `0`, `\"\"`, `undefined`, and `NaN` are falsey.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Array\n * @param {Array} array The array to compact.\n * @returns {Array} Returns the new array of filtered values.\n * @example\n *\n * _.compact([0, 1, false, 2, '', 3]);\n * // => [1, 2, 3]\n */\n function compact(array) {\n var index = -1,\n length = array == null ? 0 : array.length,\n resIndex = 0,\n result = [];\n\n while (++index < length) {\n var value = array[index];\n if (value) {\n result[resIndex++] = value;\n }\n }\n return result;\n }\n\n /**\n * Creates a new array concatenating `array` with any additional arrays\n * and/or values.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Array\n * @param {Array} array The array to concatenate.\n * @param {...*} [values] The values to concatenate.\n * @returns {Array} Returns the new concatenated array.\n * @example\n *\n * var array = [1];\n * var other = _.concat(array, 2, [3], [[4]]);\n *\n * console.log(other);\n * // => [1, 2, 3, [4]]\n *\n * console.log(array);\n * // => [1]\n */\n function concat() {\n var length = arguments.length;\n if (!length) {\n return [];\n }\n var args = Array(length - 1),\n array = arguments[0],\n index = length;\n\n while (index--) {\n args[index - 1] = arguments[index];\n }\n return arrayPush(isArray(array) ? copyArray(array) : [array], baseFlatten(args, 1));\n }\n\n /**\n * Creates an array of `array` values not included in the other given arrays\n * using [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)\n * for equality comparisons. The order and references of result values are\n * determined by the first array.\n *\n * **Note:** Unlike `_.pullAll`, this method returns a new array.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Array\n * @param {Array} array The array to inspect.\n * @param {...Array} [values] The values to exclude.\n * @returns {Array} Returns the new array of filtered values.\n * @see _.without, _.xor\n * @example\n *\n * _.difference([2, 1], [2, 3]);\n * // => [1]\n */\n var difference = baseRest(function(array, values) {\n return isArrayLikeObject(array)\n ? baseDifference(array, baseFlatten(values, 1, isArrayLikeObject, true))\n : [];\n });\n\n /**\n * This method is like `_.difference` except that it accepts `iteratee` which\n * is invoked for each element of `array` and `values` to generate the criterion\n * by which they're compared. The order and references of result values are\n * determined by the first array. The iteratee is invoked with one argument:\n * (value).\n *\n * **Note:** Unlike `_.pullAllBy`, this method returns a new array.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Array\n * @param {Array} array The array to inspect.\n * @param {...Array} [values] The values to exclude.\n * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n * @returns {Array} Returns the new array of filtered values.\n * @example\n *\n * _.differenceBy([2.1, 1.2], [2.3, 3.4], Math.floor);\n * // => [1.2]\n *\n * // The `_.property` iteratee shorthand.\n * _.differenceBy([{ 'x': 2 }, { 'x': 1 }], [{ 'x': 1 }], 'x');\n * // => [{ 'x': 2 }]\n */\n var differenceBy = baseRest(function(array, values) {\n var iteratee = last(values);\n if (isArrayLikeObject(iteratee)) {\n iteratee = undefined;\n }\n return isArrayLikeObject(array)\n ? baseDifference(array, baseFlatten(values, 1, isArrayLikeObject, true), getIteratee(iteratee, 2))\n : [];\n });\n\n /**\n * This method is like `_.difference` except that it accepts `comparator`\n * which is invoked to compare elements of `array` to `values`. The order and\n * references of result values are determined by the first array. The comparator\n * is invoked with two arguments: (arrVal, othVal).\n *\n * **Note:** Unlike `_.pullAllWith`, this method returns a new array.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Array\n * @param {Array} array The array to inspect.\n * @param {...Array} [values] The values to exclude.\n * @param {Function} [comparator] The comparator invoked per element.\n * @returns {Array} Returns the new array of filtered values.\n * @example\n *\n * var objects = [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }];\n *\n * _.differenceWith(objects, [{ 'x': 1, 'y': 2 }], _.isEqual);\n * // => [{ 'x': 2, 'y': 1 }]\n */\n var differenceWith = baseRest(function(array, values) {\n var comparator = last(values);\n if (isArrayLikeObject(comparator)) {\n comparator = undefined;\n }\n return isArrayLikeObject(array)\n ? baseDifference(array, baseFlatten(values, 1, isArrayLikeObject, true), undefined, comparator)\n : [];\n });\n\n /**\n * Creates a slice of `array` with `n` elements dropped from the beginning.\n *\n * @static\n * @memberOf _\n * @since 0.5.0\n * @category Array\n * @param {Array} array The array to query.\n * @param {number} [n=1] The number of elements to drop.\n * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n * @returns {Array} Returns the slice of `array`.\n * @example\n *\n * _.drop([1, 2, 3]);\n * // => [2, 3]\n *\n * _.drop([1, 2, 3], 2);\n * // => [3]\n *\n * _.drop([1, 2, 3], 5);\n * // => []\n *\n * _.drop([1, 2, 3], 0);\n * // => [1, 2, 3]\n */\n function drop(array, n, guard) {\n var length = array == null ? 0 : array.length;\n if (!length) {\n return [];\n }\n n = (guard || n === undefined) ? 1 : toInteger(n);\n return baseSlice(array, n < 0 ? 0 : n, length);\n }\n\n /**\n * Creates a slice of `array` with `n` elements dropped from the end.\n *\n * @static\n * @memberOf _\n * @since 3.0.0\n * @category Array\n * @param {Array} array The array to query.\n * @param {number} [n=1] The number of elements to drop.\n * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n * @returns {Array} Returns the slice of `array`.\n * @example\n *\n * _.dropRight([1, 2, 3]);\n * // => [1, 2]\n *\n * _.dropRight([1, 2, 3], 2);\n * // => [1]\n *\n * _.dropRight([1, 2, 3], 5);\n * // => []\n *\n * _.dropRight([1, 2, 3], 0);\n * // => [1, 2, 3]\n */\n function dropRight(array, n, guard) {\n var length = array == null ? 0 : array.length;\n if (!length) {\n return [];\n }\n n = (guard || n === undefined) ? 1 : toInteger(n);\n n = length - n;\n return baseSlice(array, 0, n < 0 ? 0 : n);\n }\n\n /**\n * Creates a slice of `array` excluding elements dropped from the end.\n * Elements are dropped until `predicate` returns falsey. The predicate is\n * invoked with three arguments: (value, index, array).\n *\n * @static\n * @memberOf _\n * @since 3.0.0\n * @category Array\n * @param {Array} array The array to query.\n * @param {Function} [predicate=_.identity] The function invoked per iteration.\n * @returns {Array} Returns the slice of `array`.\n * @example\n *\n * var users = [\n * { 'user': 'barney', 'active': true },\n * { 'user': 'fred', 'active': false },\n * { 'user': 'pebbles', 'active': false }\n * ];\n *\n * _.dropRightWhile(users, function(o) { return !o.active; });\n * // => objects for ['barney']\n *\n * // The `_.matches` iteratee shorthand.\n * _.dropRightWhile(users, { 'user': 'pebbles', 'active': false });\n * // => objects for ['barney', 'fred']\n *\n * // The `_.matchesProperty` iteratee shorthand.\n * _.dropRightWhile(users, ['active', false]);\n * // => objects for ['barney']\n *\n * // The `_.property` iteratee shorthand.\n * _.dropRightWhile(users, 'active');\n * // => objects for ['barney', 'fred', 'pebbles']\n */\n function dropRightWhile(array, predicate) {\n return (array && array.length)\n ? baseWhile(array, getIteratee(predicate, 3), true, true)\n : [];\n }\n\n /**\n * Creates a slice of `array` excluding elements dropped from the beginning.\n * Elements are dropped until `predicate` returns falsey. The predicate is\n * invoked with three arguments: (value, index, array).\n *\n * @static\n * @memberOf _\n * @since 3.0.0\n * @category Array\n * @param {Array} array The array to query.\n * @param {Function} [predicate=_.identity] The function invoked per iteration.\n * @returns {Array} Returns the slice of `array`.\n * @example\n *\n * var users = [\n * { 'user': 'barney', 'active': false },\n * { 'user': 'fred', 'active': false },\n * { 'user': 'pebbles', 'active': true }\n * ];\n *\n * _.dropWhile(users, function(o) { return !o.active; });\n * // => objects for ['pebbles']\n *\n * // The `_.matches` iteratee shorthand.\n * _.dropWhile(users, { 'user': 'barney', 'active': false });\n * // => objects for ['fred', 'pebbles']\n *\n * // The `_.matchesProperty` iteratee shorthand.\n * _.dropWhile(users, ['active', false]);\n * // => objects for ['pebbles']\n *\n * // The `_.property` iteratee shorthand.\n * _.dropWhile(users, 'active');\n * // => objects for ['barney', 'fred', 'pebbles']\n */\n function dropWhile(array, predicate) {\n return (array && array.length)\n ? baseWhile(array, getIteratee(predicate, 3), true)\n : [];\n }\n\n /**\n * Fills elements of `array` with `value` from `start` up to, but not\n * including, `end`.\n *\n * **Note:** This method mutates `array`.\n *\n * @static\n * @memberOf _\n * @since 3.2.0\n * @category Array\n * @param {Array} array The array to fill.\n * @param {*} value The value to fill `array` with.\n * @param {number} [start=0] The start position.\n * @param {number} [end=array.length] The end position.\n * @returns {Array} Returns `array`.\n * @example\n *\n * var array = [1, 2, 3];\n *\n * _.fill(array, 'a');\n * console.log(array);\n * // => ['a', 'a', 'a']\n *\n * _.fill(Array(3), 2);\n * // => [2, 2, 2]\n *\n * _.fill([4, 6, 8, 10], '*', 1, 3);\n * // => [4, '*', '*', 10]\n */\n function fill(array, value, start, end) {\n var length = array == null ? 0 : array.length;\n if (!length) {\n return [];\n }\n if (start && typeof start != 'number' && isIterateeCall(array, value, start)) {\n start = 0;\n end = length;\n }\n return baseFill(array, value, start, end);\n }\n\n /**\n * This method is like `_.find` except that it returns the index of the first\n * element `predicate` returns truthy for instead of the element itself.\n *\n * @static\n * @memberOf _\n * @since 1.1.0\n * @category Array\n * @param {Array} array The array to inspect.\n * @param {Function} [predicate=_.identity] The function invoked per iteration.\n * @param {number} [fromIndex=0] The index to search from.\n * @returns {number} Returns the index of the found element, else `-1`.\n * @example\n *\n * var users = [\n * { 'user': 'barney', 'active': false },\n * { 'user': 'fred', 'active': false },\n * { 'user': 'pebbles', 'active': true }\n * ];\n *\n * _.findIndex(users, function(o) { return o.user == 'barney'; });\n * // => 0\n *\n * // The `_.matches` iteratee shorthand.\n * _.findIndex(users, { 'user': 'fred', 'active': false });\n * // => 1\n *\n * // The `_.matchesProperty` iteratee shorthand.\n * _.findIndex(users, ['active', false]);\n * // => 0\n *\n * // The `_.property` iteratee shorthand.\n * _.findIndex(users, 'active');\n * // => 2\n */\n function findIndex(array, predicate, fromIndex) {\n var length = array == null ? 0 : array.length;\n if (!length) {\n return -1;\n }\n var index = fromIndex == null ? 0 : toInteger(fromIndex);\n if (index < 0) {\n index = nativeMax(length + index, 0);\n }\n return baseFindIndex(array, getIteratee(predicate, 3), index);\n }\n\n /**\n * This method is like `_.findIndex` except that it iterates over elements\n * of `collection` from right to left.\n *\n * @static\n * @memberOf _\n * @since 2.0.0\n * @category Array\n * @param {Array} array The array to inspect.\n * @param {Function} [predicate=_.identity] The function invoked per iteration.\n * @param {number} [fromIndex=array.length-1] The index to search from.\n * @returns {number} Returns the index of the found element, else `-1`.\n * @example\n *\n * var users = [\n * { 'user': 'barney', 'active': true },\n * { 'user': 'fred', 'active': false },\n * { 'user': 'pebbles', 'active': false }\n * ];\n *\n * _.findLastIndex(users, function(o) { return o.user == 'pebbles'; });\n * // => 2\n *\n * // The `_.matches` iteratee shorthand.\n * _.findLastIndex(users, { 'user': 'barney', 'active': true });\n * // => 0\n *\n * // The `_.matchesProperty` iteratee shorthand.\n * _.findLastIndex(users, ['active', false]);\n * // => 2\n *\n * // The `_.property` iteratee shorthand.\n * _.findLastIndex(users, 'active');\n * // => 0\n */\n function findLastIndex(array, predicate, fromIndex) {\n var length = array == null ? 0 : array.length;\n if (!length) {\n return -1;\n }\n var index = length - 1;\n if (fromIndex !== undefined) {\n index = toInteger(fromIndex);\n index = fromIndex < 0\n ? nativeMax(length + index, 0)\n : nativeMin(index, length - 1);\n }\n return baseFindIndex(array, getIteratee(predicate, 3), index, true);\n }\n\n /**\n * Flattens `array` a single level deep.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Array\n * @param {Array} array The array to flatten.\n * @returns {Array} Returns the new flattened array.\n * @example\n *\n * _.flatten([1, [2, [3, [4]], 5]]);\n * // => [1, 2, [3, [4]], 5]\n */\n function flatten(array) {\n var length = array == null ? 0 : array.length;\n return length ? baseFlatten(array, 1) : [];\n }\n\n /**\n * Recursively flattens `array`.\n *\n * @static\n * @memberOf _\n * @since 3.0.0\n * @category Array\n * @param {Array} array The array to flatten.\n * @returns {Array} Returns the new flattened array.\n * @example\n *\n * _.flattenDeep([1, [2, [3, [4]], 5]]);\n * // => [1, 2, 3, 4, 5]\n */\n function flattenDeep(array) {\n var length = array == null ? 0 : array.length;\n return length ? baseFlatten(array, INFINITY) : [];\n }\n\n /**\n * Recursively flatten `array` up to `depth` times.\n *\n * @static\n * @memberOf _\n * @since 4.4.0\n * @category Array\n * @param {Array} array The array to flatten.\n * @param {number} [depth=1] The maximum recursion depth.\n * @returns {Array} Returns the new flattened array.\n * @example\n *\n * var array = [1, [2, [3, [4]], 5]];\n *\n * _.flattenDepth(array, 1);\n * // => [1, 2, [3, [4]], 5]\n *\n * _.flattenDepth(array, 2);\n * // => [1, 2, 3, [4], 5]\n */\n function flattenDepth(array, depth) {\n var length = array == null ? 0 : array.length;\n if (!length) {\n return [];\n }\n depth = depth === undefined ? 1 : toInteger(depth);\n return baseFlatten(array, depth);\n }\n\n /**\n * The inverse of `_.toPairs`; this method returns an object composed\n * from key-value `pairs`.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Array\n * @param {Array} pairs The key-value pairs.\n * @returns {Object} Returns the new object.\n * @example\n *\n * _.fromPairs([['a', 1], ['b', 2]]);\n * // => { 'a': 1, 'b': 2 }\n */\n function fromPairs(pairs) {\n var index = -1,\n length = pairs == null ? 0 : pairs.length,\n result = {};\n\n while (++index < length) {\n var pair = pairs[index];\n result[pair[0]] = pair[1];\n }\n return result;\n }\n\n /**\n * Gets the first element of `array`.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @alias first\n * @category Array\n * @param {Array} array The array to query.\n * @returns {*} Returns the first element of `array`.\n * @example\n *\n * _.head([1, 2, 3]);\n * // => 1\n *\n * _.head([]);\n * // => undefined\n */\n function head(array) {\n return (array && array.length) ? array[0] : undefined;\n }\n\n /**\n * Gets the index at which the first occurrence of `value` is found in `array`\n * using [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)\n * for equality comparisons. If `fromIndex` is negative, it's used as the\n * offset from the end of `array`.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Array\n * @param {Array} array The array to inspect.\n * @param {*} value The value to search for.\n * @param {number} [fromIndex=0] The index to search from.\n * @returns {number} Returns the index of the matched value, else `-1`.\n * @example\n *\n * _.indexOf([1, 2, 1, 2], 2);\n * // => 1\n *\n * // Search from the `fromIndex`.\n * _.indexOf([1, 2, 1, 2], 2, 2);\n * // => 3\n */\n function indexOf(array, value, fromIndex) {\n var length = array == null ? 0 : array.length;\n if (!length) {\n return -1;\n }\n var index = fromIndex == null ? 0 : toInteger(fromIndex);\n if (index < 0) {\n index = nativeMax(length + index, 0);\n }\n return baseIndexOf(array, value, index);\n }\n\n /**\n * Gets all but the last element of `array`.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Array\n * @param {Array} array The array to query.\n * @returns {Array} Returns the slice of `array`.\n * @example\n *\n * _.initial([1, 2, 3]);\n * // => [1, 2]\n */\n function initial(array) {\n var length = array == null ? 0 : array.length;\n return length ? baseSlice(array, 0, -1) : [];\n }\n\n /**\n * Creates an array of unique values that are included in all given arrays\n * using [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)\n * for equality comparisons. The order and references of result values are\n * determined by the first array.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Array\n * @param {...Array} [arrays] The arrays to inspect.\n * @returns {Array} Returns the new array of intersecting values.\n * @example\n *\n * _.intersection([2, 1], [2, 3]);\n * // => [2]\n */\n var intersection = baseRest(function(arrays) {\n var mapped = arrayMap(arrays, castArrayLikeObject);\n return (mapped.length && mapped[0] === arrays[0])\n ? baseIntersection(mapped)\n : [];\n });\n\n /**\n * This method is like `_.intersection` except that it accepts `iteratee`\n * which is invoked for each element of each `arrays` to generate the criterion\n * by which they're compared. The order and references of result values are\n * determined by the first array. The iteratee is invoked with one argument:\n * (value).\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Array\n * @param {...Array} [arrays] The arrays to inspect.\n * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n * @returns {Array} Returns the new array of intersecting values.\n * @example\n *\n * _.intersectionBy([2.1, 1.2], [2.3, 3.4], Math.floor);\n * // => [2.1]\n *\n * // The `_.property` iteratee shorthand.\n * _.intersectionBy([{ 'x': 1 }], [{ 'x': 2 }, { 'x': 1 }], 'x');\n * // => [{ 'x': 1 }]\n */\n var intersectionBy = baseRest(function(arrays) {\n var iteratee = last(arrays),\n mapped = arrayMap(arrays, castArrayLikeObject);\n\n if (iteratee === last(mapped)) {\n iteratee = undefined;\n } else {\n mapped.pop();\n }\n return (mapped.length && mapped[0] === arrays[0])\n ? baseIntersection(mapped, getIteratee(iteratee, 2))\n : [];\n });\n\n /**\n * This method is like `_.intersection` except that it accepts `comparator`\n * which is invoked to compare elements of `arrays`. The order and references\n * of result values are determined by the first array. The comparator is\n * invoked with two arguments: (arrVal, othVal).\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Array\n * @param {...Array} [arrays] The arrays to inspect.\n * @param {Function} [comparator] The comparator invoked per element.\n * @returns {Array} Returns the new array of intersecting values.\n * @example\n *\n * var objects = [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }];\n * var others = [{ 'x': 1, 'y': 1 }, { 'x': 1, 'y': 2 }];\n *\n * _.intersectionWith(objects, others, _.isEqual);\n * // => [{ 'x': 1, 'y': 2 }]\n */\n var intersectionWith = baseRest(function(arrays) {\n var comparator = last(arrays),\n mapped = arrayMap(arrays, castArrayLikeObject);\n\n comparator = typeof comparator == 'function' ? comparator : undefined;\n if (comparator) {\n mapped.pop();\n }\n return (mapped.length && mapped[0] === arrays[0])\n ? baseIntersection(mapped, undefined, comparator)\n : [];\n });\n\n /**\n * Converts all elements in `array` into a string separated by `separator`.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Array\n * @param {Array} array The array to convert.\n * @param {string} [separator=','] The element separator.\n * @returns {string} Returns the joined string.\n * @example\n *\n * _.join(['a', 'b', 'c'], '~');\n * // => 'a~b~c'\n */\n function join(array, separator) {\n return array == null ? '' : nativeJoin.call(array, separator);\n }\n\n /**\n * Gets the last element of `array`.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Array\n * @param {Array} array The array to query.\n * @returns {*} Returns the last element of `array`.\n * @example\n *\n * _.last([1, 2, 3]);\n * // => 3\n */\n function last(array) {\n var length = array == null ? 0 : array.length;\n return length ? array[length - 1] : undefined;\n }\n\n /**\n * This method is like `_.indexOf` except that it iterates over elements of\n * `array` from right to left.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Array\n * @param {Array} array The array to inspect.\n * @param {*} value The value to search for.\n * @param {number} [fromIndex=array.length-1] The index to search from.\n * @returns {number} Returns the index of the matched value, else `-1`.\n * @example\n *\n * _.lastIndexOf([1, 2, 1, 2], 2);\n * // => 3\n *\n * // Search from the `fromIndex`.\n * _.lastIndexOf([1, 2, 1, 2], 2, 2);\n * // => 1\n */\n function lastIndexOf(array, value, fromIndex) {\n var length = array == null ? 0 : array.length;\n if (!length) {\n return -1;\n }\n var index = length;\n if (fromIndex !== undefined) {\n index = toInteger(fromIndex);\n index = index < 0 ? nativeMax(length + index, 0) : nativeMin(index, length - 1);\n }\n return value === value\n ? strictLastIndexOf(array, value, index)\n : baseFindIndex(array, baseIsNaN, index, true);\n }\n\n /**\n * Gets the element at index `n` of `array`. If `n` is negative, the nth\n * element from the end is returned.\n *\n * @static\n * @memberOf _\n * @since 4.11.0\n * @category Array\n * @param {Array} array The array to query.\n * @param {number} [n=0] The index of the element to return.\n * @returns {*} Returns the nth element of `array`.\n * @example\n *\n * var array = ['a', 'b', 'c', 'd'];\n *\n * _.nth(array, 1);\n * // => 'b'\n *\n * _.nth(array, -2);\n * // => 'c';\n */\n function nth(array, n) {\n return (array && array.length) ? baseNth(array, toInteger(n)) : undefined;\n }\n\n /**\n * Removes all given values from `array` using\n * [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)\n * for equality comparisons.\n *\n * **Note:** Unlike `_.without`, this method mutates `array`. Use `_.remove`\n * to remove elements from an array by predicate.\n *\n * @static\n * @memberOf _\n * @since 2.0.0\n * @category Array\n * @param {Array} array The array to modify.\n * @param {...*} [values] The values to remove.\n * @returns {Array} Returns `array`.\n * @example\n *\n * var array = ['a', 'b', 'c', 'a', 'b', 'c'];\n *\n * _.pull(array, 'a', 'c');\n * console.log(array);\n * // => ['b', 'b']\n */\n var pull = baseRest(pullAll);\n\n /**\n * This method is like `_.pull` except that it accepts an array of values to remove.\n *\n * **Note:** Unlike `_.difference`, this method mutates `array`.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Array\n * @param {Array} array The array to modify.\n * @param {Array} values The values to remove.\n * @returns {Array} Returns `array`.\n * @example\n *\n * var array = ['a', 'b', 'c', 'a', 'b', 'c'];\n *\n * _.pullAll(array, ['a', 'c']);\n * console.log(array);\n * // => ['b', 'b']\n */\n function pullAll(array, values) {\n return (array && array.length && values && values.length)\n ? basePullAll(array, values)\n : array;\n }\n\n /**\n * This method is like `_.pullAll` except that it accepts `iteratee` which is\n * invoked for each element of `array` and `values` to generate the criterion\n * by which they're compared. The iteratee is invoked with one argument: (value).\n *\n * **Note:** Unlike `_.differenceBy`, this method mutates `array`.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Array\n * @param {Array} array The array to modify.\n * @param {Array} values The values to remove.\n * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n * @returns {Array} Returns `array`.\n * @example\n *\n * var array = [{ 'x': 1 }, { 'x': 2 }, { 'x': 3 }, { 'x': 1 }];\n *\n * _.pullAllBy(array, [{ 'x': 1 }, { 'x': 3 }], 'x');\n * console.log(array);\n * // => [{ 'x': 2 }]\n */\n function pullAllBy(array, values, iteratee) {\n return (array && array.length && values && values.length)\n ? basePullAll(array, values, getIteratee(iteratee, 2))\n : array;\n }\n\n /**\n * This method is like `_.pullAll` except that it accepts `comparator` which\n * is invoked to compare elements of `array` to `values`. The comparator is\n * invoked with two arguments: (arrVal, othVal).\n *\n * **Note:** Unlike `_.differenceWith`, this method mutates `array`.\n *\n * @static\n * @memberOf _\n * @since 4.6.0\n * @category Array\n * @param {Array} array The array to modify.\n * @param {Array} values The values to remove.\n * @param {Function} [comparator] The comparator invoked per element.\n * @returns {Array} Returns `array`.\n * @example\n *\n * var array = [{ 'x': 1, 'y': 2 }, { 'x': 3, 'y': 4 }, { 'x': 5, 'y': 6 }];\n *\n * _.pullAllWith(array, [{ 'x': 3, 'y': 4 }], _.isEqual);\n * console.log(array);\n * // => [{ 'x': 1, 'y': 2 }, { 'x': 5, 'y': 6 }]\n */\n function pullAllWith(array, values, comparator) {\n return (array && array.length && values && values.length)\n ? basePullAll(array, values, undefined, comparator)\n : array;\n }\n\n /**\n * Removes elements from `array` corresponding to `indexes` and returns an\n * array of removed elements.\n *\n * **Note:** Unlike `_.at`, this method mutates `array`.\n *\n * @static\n * @memberOf _\n * @since 3.0.0\n * @category Array\n * @param {Array} array The array to modify.\n * @param {...(number|number[])} [indexes] The indexes of elements to remove.\n * @returns {Array} Returns the new array of removed elements.\n * @example\n *\n * var array = ['a', 'b', 'c', 'd'];\n * var pulled = _.pullAt(array, [1, 3]);\n *\n * console.log(array);\n * // => ['a', 'c']\n *\n * console.log(pulled);\n * // => ['b', 'd']\n */\n var pullAt = flatRest(function(array, indexes) {\n var length = array == null ? 0 : array.length,\n result = baseAt(array, indexes);\n\n basePullAt(array, arrayMap(indexes, function(index) {\n return isIndex(index, length) ? +index : index;\n }).sort(compareAscending));\n\n return result;\n });\n\n /**\n * Removes all elements from `array` that `predicate` returns truthy for\n * and returns an array of the removed elements. The predicate is invoked\n * with three arguments: (value, index, array).\n *\n * **Note:** Unlike `_.filter`, this method mutates `array`. Use `_.pull`\n * to pull elements from an array by value.\n *\n * @static\n * @memberOf _\n * @since 2.0.0\n * @category Array\n * @param {Array} array The array to modify.\n * @param {Function} [predicate=_.identity] The function invoked per iteration.\n * @returns {Array} Returns the new array of removed elements.\n * @example\n *\n * var array = [1, 2, 3, 4];\n * var evens = _.remove(array, function(n) {\n * return n % 2 == 0;\n * });\n *\n * console.log(array);\n * // => [1, 3]\n *\n * console.log(evens);\n * // => [2, 4]\n */\n function remove(array, predicate) {\n var result = [];\n if (!(array && array.length)) {\n return result;\n }\n var index = -1,\n indexes = [],\n length = array.length;\n\n predicate = getIteratee(predicate, 3);\n while (++index < length) {\n var value = array[index];\n if (predicate(value, index, array)) {\n result.push(value);\n indexes.push(index);\n }\n }\n basePullAt(array, indexes);\n return result;\n }\n\n /**\n * Reverses `array` so that the first element becomes the last, the second\n * element becomes the second to last, and so on.\n *\n * **Note:** This method mutates `array` and is based on\n * [`Array#reverse`](https://mdn.io/Array/reverse).\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Array\n * @param {Array} array The array to modify.\n * @returns {Array} Returns `array`.\n * @example\n *\n * var array = [1, 2, 3];\n *\n * _.reverse(array);\n * // => [3, 2, 1]\n *\n * console.log(array);\n * // => [3, 2, 1]\n */\n function reverse(array) {\n return array == null ? array : nativeReverse.call(array);\n }\n\n /**\n * Creates a slice of `array` from `start` up to, but not including, `end`.\n *\n * **Note:** This method is used instead of\n * [`Array#slice`](https://mdn.io/Array/slice) to ensure dense arrays are\n * returned.\n *\n * @static\n * @memberOf _\n * @since 3.0.0\n * @category Array\n * @param {Array} array The array to slice.\n * @param {number} [start=0] The start position.\n * @param {number} [end=array.length] The end position.\n * @returns {Array} Returns the slice of `array`.\n */\n function slice(array, start, end) {\n var length = array == null ? 0 : array.length;\n if (!length) {\n return [];\n }\n if (end && typeof end != 'number' && isIterateeCall(array, start, end)) {\n start = 0;\n end = length;\n }\n else {\n start = start == null ? 0 : toInteger(start);\n end = end === undefined ? length : toInteger(end);\n }\n return baseSlice(array, start, end);\n }\n\n /**\n * Uses a binary search to determine the lowest index at which `value`\n * should be inserted into `array` in order to maintain its sort order.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Array\n * @param {Array} array The sorted array to inspect.\n * @param {*} value The value to evaluate.\n * @returns {number} Returns the index at which `value` should be inserted\n * into `array`.\n * @example\n *\n * _.sortedIndex([30, 50], 40);\n * // => 1\n */\n function sortedIndex(array, value) {\n return baseSortedIndex(array, value);\n }\n\n /**\n * This method is like `_.sortedIndex` except that it accepts `iteratee`\n * which is invoked for `value` and each element of `array` to compute their\n * sort ranking. The iteratee is invoked with one argument: (value).\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Array\n * @param {Array} array The sorted array to inspect.\n * @param {*} value The value to evaluate.\n * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n * @returns {number} Returns the index at which `value` should be inserted\n * into `array`.\n * @example\n *\n * var objects = [{ 'x': 4 }, { 'x': 5 }];\n *\n * _.sortedIndexBy(objects, { 'x': 4 }, function(o) { return o.x; });\n * // => 0\n *\n * // The `_.property` iteratee shorthand.\n * _.sortedIndexBy(objects, { 'x': 4 }, 'x');\n * // => 0\n */\n function sortedIndexBy(array, value, iteratee) {\n return baseSortedIndexBy(array, value, getIteratee(iteratee, 2));\n }\n\n /**\n * This method is like `_.indexOf` except that it performs a binary\n * search on a sorted `array`.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Array\n * @param {Array} array The array to inspect.\n * @param {*} value The value to search for.\n * @returns {number} Returns the index of the matched value, else `-1`.\n * @example\n *\n * _.sortedIndexOf([4, 5, 5, 5, 6], 5);\n * // => 1\n */\n function sortedIndexOf(array, value) {\n var length = array == null ? 0 : array.length;\n if (length) {\n var index = baseSortedIndex(array, value);\n if (index < length && eq(array[index], value)) {\n return index;\n }\n }\n return -1;\n }\n\n /**\n * This method is like `_.sortedIndex` except that it returns the highest\n * index at which `value` should be inserted into `array` in order to\n * maintain its sort order.\n *\n * @static\n * @memberOf _\n * @since 3.0.0\n * @category Array\n * @param {Array} array The sorted array to inspect.\n * @param {*} value The value to evaluate.\n * @returns {number} Returns the index at which `value` should be inserted\n * into `array`.\n * @example\n *\n * _.sortedLastIndex([4, 5, 5, 5, 6], 5);\n * // => 4\n */\n function sortedLastIndex(array, value) {\n return baseSortedIndex(array, value, true);\n }\n\n /**\n * This method is like `_.sortedLastIndex` except that it accepts `iteratee`\n * which is invoked for `value` and each element of `array` to compute their\n * sort ranking. The iteratee is invoked with one argument: (value).\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Array\n * @param {Array} array The sorted array to inspect.\n * @param {*} value The value to evaluate.\n * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n * @returns {number} Returns the index at which `value` should be inserted\n * into `array`.\n * @example\n *\n * var objects = [{ 'x': 4 }, { 'x': 5 }];\n *\n * _.sortedLastIndexBy(objects, { 'x': 4 }, function(o) { return o.x; });\n * // => 1\n *\n * // The `_.property` iteratee shorthand.\n * _.sortedLastIndexBy(objects, { 'x': 4 }, 'x');\n * // => 1\n */\n function sortedLastIndexBy(array, value, iteratee) {\n return baseSortedIndexBy(array, value, getIteratee(iteratee, 2), true);\n }\n\n /**\n * This method is like `_.lastIndexOf` except that it performs a binary\n * search on a sorted `array`.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Array\n * @param {Array} array The array to inspect.\n * @param {*} value The value to search for.\n * @returns {number} Returns the index of the matched value, else `-1`.\n * @example\n *\n * _.sortedLastIndexOf([4, 5, 5, 5, 6], 5);\n * // => 3\n */\n function sortedLastIndexOf(array, value) {\n var length = array == null ? 0 : array.length;\n if (length) {\n var index = baseSortedIndex(array, value, true) - 1;\n if (eq(array[index], value)) {\n return index;\n }\n }\n return -1;\n }\n\n /**\n * This method is like `_.uniq` except that it's designed and optimized\n * for sorted arrays.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Array\n * @param {Array} array The array to inspect.\n * @returns {Array} Returns the new duplicate free array.\n * @example\n *\n * _.sortedUniq([1, 1, 2]);\n * // => [1, 2]\n */\n function sortedUniq(array) {\n return (array && array.length)\n ? baseSortedUniq(array)\n : [];\n }\n\n /**\n * This method is like `_.uniqBy` except that it's designed and optimized\n * for sorted arrays.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Array\n * @param {Array} array The array to inspect.\n * @param {Function} [iteratee] The iteratee invoked per element.\n * @returns {Array} Returns the new duplicate free array.\n * @example\n *\n * _.sortedUniqBy([1.1, 1.2, 2.3, 2.4], Math.floor);\n * // => [1.1, 2.3]\n */\n function sortedUniqBy(array, iteratee) {\n return (array && array.length)\n ? baseSortedUniq(array, getIteratee(iteratee, 2))\n : [];\n }\n\n /**\n * Gets all but the first element of `array`.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Array\n * @param {Array} array The array to query.\n * @returns {Array} Returns the slice of `array`.\n * @example\n *\n * _.tail([1, 2, 3]);\n * // => [2, 3]\n */\n function tail(array) {\n var length = array == null ? 0 : array.length;\n return length ? baseSlice(array, 1, length) : [];\n }\n\n /**\n * Creates a slice of `array` with `n` elements taken from the beginning.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Array\n * @param {Array} array The array to query.\n * @param {number} [n=1] The number of elements to take.\n * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n * @returns {Array} Returns the slice of `array`.\n * @example\n *\n * _.take([1, 2, 3]);\n * // => [1]\n *\n * _.take([1, 2, 3], 2);\n * // => [1, 2]\n *\n * _.take([1, 2, 3], 5);\n * // => [1, 2, 3]\n *\n * _.take([1, 2, 3], 0);\n * // => []\n */\n function take(array, n, guard) {\n if (!(array && array.length)) {\n return [];\n }\n n = (guard || n === undefined) ? 1 : toInteger(n);\n return baseSlice(array, 0, n < 0 ? 0 : n);\n }\n\n /**\n * Creates a slice of `array` with `n` elements taken from the end.\n *\n * @static\n * @memberOf _\n * @since 3.0.0\n * @category Array\n * @param {Array} array The array to query.\n * @param {number} [n=1] The number of elements to take.\n * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n * @returns {Array} Returns the slice of `array`.\n * @example\n *\n * _.takeRight([1, 2, 3]);\n * // => [3]\n *\n * _.takeRight([1, 2, 3], 2);\n * // => [2, 3]\n *\n * _.takeRight([1, 2, 3], 5);\n * // => [1, 2, 3]\n *\n * _.takeRight([1, 2, 3], 0);\n * // => []\n */\n function takeRight(array, n, guard) {\n var length = array == null ? 0 : array.length;\n if (!length) {\n return [];\n }\n n = (guard || n === undefined) ? 1 : toInteger(n);\n n = length - n;\n return baseSlice(array, n < 0 ? 0 : n, length);\n }\n\n /**\n * Creates a slice of `array` with elements taken from the end. Elements are\n * taken until `predicate` returns falsey. The predicate is invoked with\n * three arguments: (value, index, array).\n *\n * @static\n * @memberOf _\n * @since 3.0.0\n * @category Array\n * @param {Array} array The array to query.\n * @param {Function} [predicate=_.identity] The function invoked per iteration.\n * @returns {Array} Returns the slice of `array`.\n * @example\n *\n * var users = [\n * { 'user': 'barney', 'active': true },\n * { 'user': 'fred', 'active': false },\n * { 'user': 'pebbles', 'active': false }\n * ];\n *\n * _.takeRightWhile(users, function(o) { return !o.active; });\n * // => objects for ['fred', 'pebbles']\n *\n * // The `_.matches` iteratee shorthand.\n * _.takeRightWhile(users, { 'user': 'pebbles', 'active': false });\n * // => objects for ['pebbles']\n *\n * // The `_.matchesProperty` iteratee shorthand.\n * _.takeRightWhile(users, ['active', false]);\n * // => objects for ['fred', 'pebbles']\n *\n * // The `_.property` iteratee shorthand.\n * _.takeRightWhile(users, 'active');\n * // => []\n */\n function takeRightWhile(array, predicate) {\n return (array && array.length)\n ? baseWhile(array, getIteratee(predicate, 3), false, true)\n : [];\n }\n\n /**\n * Creates a slice of `array` with elements taken from the beginning. Elements\n * are taken until `predicate` returns falsey. The predicate is invoked with\n * three arguments: (value, index, array).\n *\n * @static\n * @memberOf _\n * @since 3.0.0\n * @category Array\n * @param {Array} array The array to query.\n * @param {Function} [predicate=_.identity] The function invoked per iteration.\n * @returns {Array} Returns the slice of `array`.\n * @example\n *\n * var users = [\n * { 'user': 'barney', 'active': false },\n * { 'user': 'fred', 'active': false },\n * { 'user': 'pebbles', 'active': true }\n * ];\n *\n * _.takeWhile(users, function(o) { return !o.active; });\n * // => objects for ['barney', 'fred']\n *\n * // The `_.matches` iteratee shorthand.\n * _.takeWhile(users, { 'user': 'barney', 'active': false });\n * // => objects for ['barney']\n *\n * // The `_.matchesProperty` iteratee shorthand.\n * _.takeWhile(users, ['active', false]);\n * // => objects for ['barney', 'fred']\n *\n * // The `_.property` iteratee shorthand.\n * _.takeWhile(users, 'active');\n * // => []\n */\n function takeWhile(array, predicate) {\n return (array && array.length)\n ? baseWhile(array, getIteratee(predicate, 3))\n : [];\n }\n\n /**\n * Creates an array of unique values, in order, from all given arrays using\n * [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)\n * for equality comparisons.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Array\n * @param {...Array} [arrays] The arrays to inspect.\n * @returns {Array} Returns the new array of combined values.\n * @example\n *\n * _.union([2], [1, 2]);\n * // => [2, 1]\n */\n var union = baseRest(function(arrays) {\n return baseUniq(baseFlatten(arrays, 1, isArrayLikeObject, true));\n });\n\n /**\n * This method is like `_.union` except that it accepts `iteratee` which is\n * invoked for each element of each `arrays` to generate the criterion by\n * which uniqueness is computed. Result values are chosen from the first\n * array in which the value occurs. The iteratee is invoked with one argument:\n * (value).\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Array\n * @param {...Array} [arrays] The arrays to inspect.\n * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n * @returns {Array} Returns the new array of combined values.\n * @example\n *\n * _.unionBy([2.1], [1.2, 2.3], Math.floor);\n * // => [2.1, 1.2]\n *\n * // The `_.property` iteratee shorthand.\n * _.unionBy([{ 'x': 1 }], [{ 'x': 2 }, { 'x': 1 }], 'x');\n * // => [{ 'x': 1 }, { 'x': 2 }]\n */\n var unionBy = baseRest(function(arrays) {\n var iteratee = last(arrays);\n if (isArrayLikeObject(iteratee)) {\n iteratee = undefined;\n }\n return baseUniq(baseFlatten(arrays, 1, isArrayLikeObject, true), getIteratee(iteratee, 2));\n });\n\n /**\n * This method is like `_.union` except that it accepts `comparator` which\n * is invoked to compare elements of `arrays`. Result values are chosen from\n * the first array in which the value occurs. The comparator is invoked\n * with two arguments: (arrVal, othVal).\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Array\n * @param {...Array} [arrays] The arrays to inspect.\n * @param {Function} [comparator] The comparator invoked per element.\n * @returns {Array} Returns the new array of combined values.\n * @example\n *\n * var objects = [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }];\n * var others = [{ 'x': 1, 'y': 1 }, { 'x': 1, 'y': 2 }];\n *\n * _.unionWith(objects, others, _.isEqual);\n * // => [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }, { 'x': 1, 'y': 1 }]\n */\n var unionWith = baseRest(function(arrays) {\n var comparator = last(arrays);\n comparator = typeof comparator == 'function' ? comparator : undefined;\n return baseUniq(baseFlatten(arrays, 1, isArrayLikeObject, true), undefined, comparator);\n });\n\n /**\n * Creates a duplicate-free version of an array, using\n * [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)\n * for equality comparisons, in which only the first occurrence of each element\n * is kept. The order of result values is determined by the order they occur\n * in the array.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Array\n * @param {Array} array The array to inspect.\n * @returns {Array} Returns the new duplicate free array.\n * @example\n *\n * _.uniq([2, 1, 2]);\n * // => [2, 1]\n */\n function uniq(array) {\n return (array && array.length) ? baseUniq(array) : [];\n }\n\n /**\n * This method is like `_.uniq` except that it accepts `iteratee` which is\n * invoked for each element in `array` to generate the criterion by which\n * uniqueness is computed. The order of result values is determined by the\n * order they occur in the array. The iteratee is invoked with one argument:\n * (value).\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Array\n * @param {Array} array The array to inspect.\n * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n * @returns {Array} Returns the new duplicate free array.\n * @example\n *\n * _.uniqBy([2.1, 1.2, 2.3], Math.floor);\n * // => [2.1, 1.2]\n *\n * // The `_.property` iteratee shorthand.\n * _.uniqBy([{ 'x': 1 }, { 'x': 2 }, { 'x': 1 }], 'x');\n * // => [{ 'x': 1 }, { 'x': 2 }]\n */\n function uniqBy(array, iteratee) {\n return (array && array.length) ? baseUniq(array, getIteratee(iteratee, 2)) : [];\n }\n\n /**\n * This method is like `_.uniq` except that it accepts `comparator` which\n * is invoked to compare elements of `array`. The order of result values is\n * determined by the order they occur in the array.The comparator is invoked\n * with two arguments: (arrVal, othVal).\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Array\n * @param {Array} array The array to inspect.\n * @param {Function} [comparator] The comparator invoked per element.\n * @returns {Array} Returns the new duplicate free array.\n * @example\n *\n * var objects = [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }, { 'x': 1, 'y': 2 }];\n *\n * _.uniqWith(objects, _.isEqual);\n * // => [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }]\n */\n function uniqWith(array, comparator) {\n comparator = typeof comparator == 'function' ? comparator : undefined;\n return (array && array.length) ? baseUniq(array, undefined, comparator) : [];\n }\n\n /**\n * This method is like `_.zip` except that it accepts an array of grouped\n * elements and creates an array regrouping the elements to their pre-zip\n * configuration.\n *\n * @static\n * @memberOf _\n * @since 1.2.0\n * @category Array\n * @param {Array} array The array of grouped elements to process.\n * @returns {Array} Returns the new array of regrouped elements.\n * @example\n *\n * var zipped = _.zip(['a', 'b'], [1, 2], [true, false]);\n * // => [['a', 1, true], ['b', 2, false]]\n *\n * _.unzip(zipped);\n * // => [['a', 'b'], [1, 2], [true, false]]\n */\n function unzip(array) {\n if (!(array && array.length)) {\n return [];\n }\n var length = 0;\n array = arrayFilter(array, function(group) {\n if (isArrayLikeObject(group)) {\n length = nativeMax(group.length, length);\n return true;\n }\n });\n return baseTimes(length, function(index) {\n return arrayMap(array, baseProperty(index));\n });\n }\n\n /**\n * This method is like `_.unzip` except that it accepts `iteratee` to specify\n * how regrouped values should be combined. The iteratee is invoked with the\n * elements of each group: (...group).\n *\n * @static\n * @memberOf _\n * @since 3.8.0\n * @category Array\n * @param {Array} array The array of grouped elements to process.\n * @param {Function} [iteratee=_.identity] The function to combine\n * regrouped values.\n * @returns {Array} Returns the new array of regrouped elements.\n * @example\n *\n * var zipped = _.zip([1, 2], [10, 20], [100, 200]);\n * // => [[1, 10, 100], [2, 20, 200]]\n *\n * _.unzipWith(zipped, _.add);\n * // => [3, 30, 300]\n */\n function unzipWith(array, iteratee) {\n if (!(array && array.length)) {\n return [];\n }\n var result = unzip(array);\n if (iteratee == null) {\n return result;\n }\n return arrayMap(result, function(group) {\n return apply(iteratee, undefined, group);\n });\n }\n\n /**\n * Creates an array excluding all given values using\n * [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)\n * for equality comparisons.\n *\n * **Note:** Unlike `_.pull`, this method returns a new array.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Array\n * @param {Array} array The array to inspect.\n * @param {...*} [values] The values to exclude.\n * @returns {Array} Returns the new array of filtered values.\n * @see _.difference, _.xor\n * @example\n *\n * _.without([2, 1, 2, 3], 1, 2);\n * // => [3]\n */\n var without = baseRest(function(array, values) {\n return isArrayLikeObject(array)\n ? baseDifference(array, values)\n : [];\n });\n\n /**\n * Creates an array of unique values that is the\n * [symmetric difference](https://en.wikipedia.org/wiki/Symmetric_difference)\n * of the given arrays. The order of result values is determined by the order\n * they occur in the arrays.\n *\n * @static\n * @memberOf _\n * @since 2.4.0\n * @category Array\n * @param {...Array} [arrays] The arrays to inspect.\n * @returns {Array} Returns the new array of filtered values.\n * @see _.difference, _.without\n * @example\n *\n * _.xor([2, 1], [2, 3]);\n * // => [1, 3]\n */\n var xor = baseRest(function(arrays) {\n return baseXor(arrayFilter(arrays, isArrayLikeObject));\n });\n\n /**\n * This method is like `_.xor` except that it accepts `iteratee` which is\n * invoked for each element of each `arrays` to generate the criterion by\n * which by which they're compared. The order of result values is determined\n * by the order they occur in the arrays. The iteratee is invoked with one\n * argument: (value).\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Array\n * @param {...Array} [arrays] The arrays to inspect.\n * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n * @returns {Array} Returns the new array of filtered values.\n * @example\n *\n * _.xorBy([2.1, 1.2], [2.3, 3.4], Math.floor);\n * // => [1.2, 3.4]\n *\n * // The `_.property` iteratee shorthand.\n * _.xorBy([{ 'x': 1 }], [{ 'x': 2 }, { 'x': 1 }], 'x');\n * // => [{ 'x': 2 }]\n */\n var xorBy = baseRest(function(arrays) {\n var iteratee = last(arrays);\n if (isArrayLikeObject(iteratee)) {\n iteratee = undefined;\n }\n return baseXor(arrayFilter(arrays, isArrayLikeObject), getIteratee(iteratee, 2));\n });\n\n /**\n * This method is like `_.xor` except that it accepts `comparator` which is\n * invoked to compare elements of `arrays`. The order of result values is\n * determined by the order they occur in the arrays. The comparator is invoked\n * with two arguments: (arrVal, othVal).\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Array\n * @param {...Array} [arrays] The arrays to inspect.\n * @param {Function} [comparator] The comparator invoked per element.\n * @returns {Array} Returns the new array of filtered values.\n * @example\n *\n * var objects = [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }];\n * var others = [{ 'x': 1, 'y': 1 }, { 'x': 1, 'y': 2 }];\n *\n * _.xorWith(objects, others, _.isEqual);\n * // => [{ 'x': 2, 'y': 1 }, { 'x': 1, 'y': 1 }]\n */\n var xorWith = baseRest(function(arrays) {\n var comparator = last(arrays);\n comparator = typeof comparator == 'function' ? comparator : undefined;\n return baseXor(arrayFilter(arrays, isArrayLikeObject), undefined, comparator);\n });\n\n /**\n * Creates an array of grouped elements, the first of which contains the\n * first elements of the given arrays, the second of which contains the\n * second elements of the given arrays, and so on.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Array\n * @param {...Array} [arrays] The arrays to process.\n * @returns {Array} Returns the new array of grouped elements.\n * @example\n *\n * _.zip(['a', 'b'], [1, 2], [true, false]);\n * // => [['a', 1, true], ['b', 2, false]]\n */\n var zip = baseRest(unzip);\n\n /**\n * This method is like `_.fromPairs` except that it accepts two arrays,\n * one of property identifiers and one of corresponding values.\n *\n * @static\n * @memberOf _\n * @since 0.4.0\n * @category Array\n * @param {Array} [props=[]] The property identifiers.\n * @param {Array} [values=[]] The property values.\n * @returns {Object} Returns the new object.\n * @example\n *\n * _.zipObject(['a', 'b'], [1, 2]);\n * // => { 'a': 1, 'b': 2 }\n */\n function zipObject(props, values) {\n return baseZipObject(props || [], values || [], assignValue);\n }\n\n /**\n * This method is like `_.zipObject` except that it supports property paths.\n *\n * @static\n * @memberOf _\n * @since 4.1.0\n * @category Array\n * @param {Array} [props=[]] The property identifiers.\n * @param {Array} [values=[]] The property values.\n * @returns {Object} Returns the new object.\n * @example\n *\n * _.zipObjectDeep(['a.b[0].c', 'a.b[1].d'], [1, 2]);\n * // => { 'a': { 'b': [{ 'c': 1 }, { 'd': 2 }] } }\n */\n function zipObjectDeep(props, values) {\n return baseZipObject(props || [], values || [], baseSet);\n }\n\n /**\n * This method is like `_.zip` except that it accepts `iteratee` to specify\n * how grouped values should be combined. The iteratee is invoked with the\n * elements of each group: (...group).\n *\n * @static\n * @memberOf _\n * @since 3.8.0\n * @category Array\n * @param {...Array} [arrays] The arrays to process.\n * @param {Function} [iteratee=_.identity] The function to combine\n * grouped values.\n * @returns {Array} Returns the new array of grouped elements.\n * @example\n *\n * _.zipWith([1, 2], [10, 20], [100, 200], function(a, b, c) {\n * return a + b + c;\n * });\n * // => [111, 222]\n */\n var zipWith = baseRest(function(arrays) {\n var length = arrays.length,\n iteratee = length > 1 ? arrays[length - 1] : undefined;\n\n iteratee = typeof iteratee == 'function' ? (arrays.pop(), iteratee) : undefined;\n return unzipWith(arrays, iteratee);\n });\n\n /*------------------------------------------------------------------------*/\n\n /**\n * Creates a `lodash` wrapper instance that wraps `value` with explicit method\n * chain sequences enabled. The result of such sequences must be unwrapped\n * with `_#value`.\n *\n * @static\n * @memberOf _\n * @since 1.3.0\n * @category Seq\n * @param {*} value The value to wrap.\n * @returns {Object} Returns the new `lodash` wrapper instance.\n * @example\n *\n * var users = [\n * { 'user': 'barney', 'age': 36 },\n * { 'user': 'fred', 'age': 40 },\n * { 'user': 'pebbles', 'age': 1 }\n * ];\n *\n * var youngest = _\n * .chain(users)\n * .sortBy('age')\n * .map(function(o) {\n * return o.user + ' is ' + o.age;\n * })\n * .head()\n * .value();\n * // => 'pebbles is 1'\n */\n function chain(value) {\n var result = lodash(value);\n result.__chain__ = true;\n return result;\n }\n\n /**\n * This method invokes `interceptor` and returns `value`. The interceptor\n * is invoked with one argument; (value). The purpose of this method is to\n * \"tap into\" a method chain sequence in order to modify intermediate results.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Seq\n * @param {*} value The value to provide to `interceptor`.\n * @param {Function} interceptor The function to invoke.\n * @returns {*} Returns `value`.\n * @example\n *\n * _([1, 2, 3])\n * .tap(function(array) {\n * // Mutate input array.\n * array.pop();\n * })\n * .reverse()\n * .value();\n * // => [2, 1]\n */\n function tap(value, interceptor) {\n interceptor(value);\n return value;\n }\n\n /**\n * This method is like `_.tap` except that it returns the result of `interceptor`.\n * The purpose of this method is to \"pass thru\" values replacing intermediate\n * results in a method chain sequence.\n *\n * @static\n * @memberOf _\n * @since 3.0.0\n * @category Seq\n * @param {*} value The value to provide to `interceptor`.\n * @param {Function} interceptor The function to invoke.\n * @returns {*} Returns the result of `interceptor`.\n * @example\n *\n * _(' abc ')\n * .chain()\n * .trim()\n * .thru(function(value) {\n * return [value];\n * })\n * .value();\n * // => ['abc']\n */\n function thru(value, interceptor) {\n return interceptor(value);\n }\n\n /**\n * This method is the wrapper version of `_.at`.\n *\n * @name at\n * @memberOf _\n * @since 1.0.0\n * @category Seq\n * @param {...(string|string[])} [paths] The property paths to pick.\n * @returns {Object} Returns the new `lodash` wrapper instance.\n * @example\n *\n * var object = { 'a': [{ 'b': { 'c': 3 } }, 4] };\n *\n * _(object).at(['a[0].b.c', 'a[1]']).value();\n * // => [3, 4]\n */\n var wrapperAt = flatRest(function(paths) {\n var length = paths.length,\n start = length ? paths[0] : 0,\n value = this.__wrapped__,\n interceptor = function(object) { return baseAt(object, paths); };\n\n if (length > 1 || this.__actions__.length ||\n !(value instanceof LazyWrapper) || !isIndex(start)) {\n return this.thru(interceptor);\n }\n value = value.slice(start, +start + (length ? 1 : 0));\n value.__actions__.push({\n 'func': thru,\n 'args': [interceptor],\n 'thisArg': undefined\n });\n return new LodashWrapper(value, this.__chain__).thru(function(array) {\n if (length && !array.length) {\n array.push(undefined);\n }\n return array;\n });\n });\n\n /**\n * Creates a `lodash` wrapper instance with explicit method chain sequences enabled.\n *\n * @name chain\n * @memberOf _\n * @since 0.1.0\n * @category Seq\n * @returns {Object} Returns the new `lodash` wrapper instance.\n * @example\n *\n * var users = [\n * { 'user': 'barney', 'age': 36 },\n * { 'user': 'fred', 'age': 40 }\n * ];\n *\n * // A sequence without explicit chaining.\n * _(users).head();\n * // => { 'user': 'barney', 'age': 36 }\n *\n * // A sequence with explicit chaining.\n * _(users)\n * .chain()\n * .head()\n * .pick('user')\n * .value();\n * // => { 'user': 'barney' }\n */\n function wrapperChain() {\n return chain(this);\n }\n\n /**\n * Executes the chain sequence and returns the wrapped result.\n *\n * @name commit\n * @memberOf _\n * @since 3.2.0\n * @category Seq\n * @returns {Object} Returns the new `lodash` wrapper instance.\n * @example\n *\n * var array = [1, 2];\n * var wrapped = _(array).push(3);\n *\n * console.log(array);\n * // => [1, 2]\n *\n * wrapped = wrapped.commit();\n * console.log(array);\n * // => [1, 2, 3]\n *\n * wrapped.last();\n * // => 3\n *\n * console.log(array);\n * // => [1, 2, 3]\n */\n function wrapperCommit() {\n return new LodashWrapper(this.value(), this.__chain__);\n }\n\n /**\n * Gets the next value on a wrapped object following the\n * [iterator protocol](https://mdn.io/iteration_protocols#iterator).\n *\n * @name next\n * @memberOf _\n * @since 4.0.0\n * @category Seq\n * @returns {Object} Returns the next iterator value.\n * @example\n *\n * var wrapped = _([1, 2]);\n *\n * wrapped.next();\n * // => { 'done': false, 'value': 1 }\n *\n * wrapped.next();\n * // => { 'done': false, 'value': 2 }\n *\n * wrapped.next();\n * // => { 'done': true, 'value': undefined }\n */\n function wrapperNext() {\n if (this.__values__ === undefined) {\n this.__values__ = toArray(this.value());\n }\n var done = this.__index__ >= this.__values__.length,\n value = done ? undefined : this.__values__[this.__index__++];\n\n return { 'done': done, 'value': value };\n }\n\n /**\n * Enables the wrapper to be iterable.\n *\n * @name Symbol.iterator\n * @memberOf _\n * @since 4.0.0\n * @category Seq\n * @returns {Object} Returns the wrapper object.\n * @example\n *\n * var wrapped = _([1, 2]);\n *\n * wrapped[Symbol.iterator]() === wrapped;\n * // => true\n *\n * Array.from(wrapped);\n * // => [1, 2]\n */\n function wrapperToIterator() {\n return this;\n }\n\n /**\n * Creates a clone of the chain sequence planting `value` as the wrapped value.\n *\n * @name plant\n * @memberOf _\n * @since 3.2.0\n * @category Seq\n * @param {*} value The value to plant.\n * @returns {Object} Returns the new `lodash` wrapper instance.\n * @example\n *\n * function square(n) {\n * return n * n;\n * }\n *\n * var wrapped = _([1, 2]).map(square);\n * var other = wrapped.plant([3, 4]);\n *\n * other.value();\n * // => [9, 16]\n *\n * wrapped.value();\n * // => [1, 4]\n */\n function wrapperPlant(value) {\n var result,\n parent = this;\n\n while (parent instanceof baseLodash) {\n var clone = wrapperClone(parent);\n clone.__index__ = 0;\n clone.__values__ = undefined;\n if (result) {\n previous.__wrapped__ = clone;\n } else {\n result = clone;\n }\n var previous = clone;\n parent = parent.__wrapped__;\n }\n previous.__wrapped__ = value;\n return result;\n }\n\n /**\n * This method is the wrapper version of `_.reverse`.\n *\n * **Note:** This method mutates the wrapped array.\n *\n * @name reverse\n * @memberOf _\n * @since 0.1.0\n * @category Seq\n * @returns {Object} Returns the new `lodash` wrapper instance.\n * @example\n *\n * var array = [1, 2, 3];\n *\n * _(array).reverse().value()\n * // => [3, 2, 1]\n *\n * console.log(array);\n * // => [3, 2, 1]\n */\n function wrapperReverse() {\n var value = this.__wrapped__;\n if (value instanceof LazyWrapper) {\n var wrapped = value;\n if (this.__actions__.length) {\n wrapped = new LazyWrapper(this);\n }\n wrapped = wrapped.reverse();\n wrapped.__actions__.push({\n 'func': thru,\n 'args': [reverse],\n 'thisArg': undefined\n });\n return new LodashWrapper(wrapped, this.__chain__);\n }\n return this.thru(reverse);\n }\n\n /**\n * Executes the chain sequence to resolve the unwrapped value.\n *\n * @name value\n * @memberOf _\n * @since 0.1.0\n * @alias toJSON, valueOf\n * @category Seq\n * @returns {*} Returns the resolved unwrapped value.\n * @example\n *\n * _([1, 2, 3]).value();\n * // => [1, 2, 3]\n */\n function wrapperValue() {\n return baseWrapperValue(this.__wrapped__, this.__actions__);\n }\n\n /*------------------------------------------------------------------------*/\n\n /**\n * Creates an object composed of keys generated from the results of running\n * each element of `collection` thru `iteratee`. The corresponding value of\n * each key is the number of times the key was returned by `iteratee`. The\n * iteratee is invoked with one argument: (value).\n *\n * @static\n * @memberOf _\n * @since 0.5.0\n * @category Collection\n * @param {Array|Object} collection The collection to iterate over.\n * @param {Function} [iteratee=_.identity] The iteratee to transform keys.\n * @returns {Object} Returns the composed aggregate object.\n * @example\n *\n * _.countBy([6.1, 4.2, 6.3], Math.floor);\n * // => { '4': 1, '6': 2 }\n *\n * // The `_.property` iteratee shorthand.\n * _.countBy(['one', 'two', 'three'], 'length');\n * // => { '3': 2, '5': 1 }\n */\n var countBy = createAggregator(function(result, value, key) {\n if (hasOwnProperty.call(result, key)) {\n ++result[key];\n } else {\n baseAssignValue(result, key, 1);\n }\n });\n\n /**\n * Checks if `predicate` returns truthy for **all** elements of `collection`.\n * Iteration is stopped once `predicate` returns falsey. The predicate is\n * invoked with three arguments: (value, index|key, collection).\n *\n * **Note:** This method returns `true` for\n * [empty collections](https://en.wikipedia.org/wiki/Empty_set) because\n * [everything is true](https://en.wikipedia.org/wiki/Vacuous_truth) of\n * elements of empty collections.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Collection\n * @param {Array|Object} collection The collection to iterate over.\n * @param {Function} [predicate=_.identity] The function invoked per iteration.\n * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n * @returns {boolean} Returns `true` if all elements pass the predicate check,\n * else `false`.\n * @example\n *\n * _.every([true, 1, null, 'yes'], Boolean);\n * // => false\n *\n * var users = [\n * { 'user': 'barney', 'age': 36, 'active': false },\n * { 'user': 'fred', 'age': 40, 'active': false }\n * ];\n *\n * // The `_.matches` iteratee shorthand.\n * _.every(users, { 'user': 'barney', 'active': false });\n * // => false\n *\n * // The `_.matchesProperty` iteratee shorthand.\n * _.every(users, ['active', false]);\n * // => true\n *\n * // The `_.property` iteratee shorthand.\n * _.every(users, 'active');\n * // => false\n */\n function every(collection, predicate, guard) {\n var func = isArray(collection) ? arrayEvery : baseEvery;\n if (guard && isIterateeCall(collection, predicate, guard)) {\n predicate = undefined;\n }\n return func(collection, getIteratee(predicate, 3));\n }\n\n /**\n * Iterates over elements of `collection`, returning an array of all elements\n * `predicate` returns truthy for. The predicate is invoked with three\n * arguments: (value, index|key, collection).\n *\n * **Note:** Unlike `_.remove`, this method returns a new array.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Collection\n * @param {Array|Object} collection The collection to iterate over.\n * @param {Function} [predicate=_.identity] The function invoked per iteration.\n * @returns {Array} Returns the new filtered array.\n * @see _.reject\n * @example\n *\n * var users = [\n * { 'user': 'barney', 'age': 36, 'active': true },\n * { 'user': 'fred', 'age': 40, 'active': false }\n * ];\n *\n * _.filter(users, function(o) { return !o.active; });\n * // => objects for ['fred']\n *\n * // The `_.matches` iteratee shorthand.\n * _.filter(users, { 'age': 36, 'active': true });\n * // => objects for ['barney']\n *\n * // The `_.matchesProperty` iteratee shorthand.\n * _.filter(users, ['active', false]);\n * // => objects for ['fred']\n *\n * // The `_.property` iteratee shorthand.\n * _.filter(users, 'active');\n * // => objects for ['barney']\n */\n function filter(collection, predicate) {\n var func = isArray(collection) ? arrayFilter : baseFilter;\n return func(collection, getIteratee(predicate, 3));\n }\n\n /**\n * Iterates over elements of `collection`, returning the first element\n * `predicate` returns truthy for. The predicate is invoked with three\n * arguments: (value, index|key, collection).\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Collection\n * @param {Array|Object} collection The collection to inspect.\n * @param {Function} [predicate=_.identity] The function invoked per iteration.\n * @param {number} [fromIndex=0] The index to search from.\n * @returns {*} Returns the matched element, else `undefined`.\n * @example\n *\n * var users = [\n * { 'user': 'barney', 'age': 36, 'active': true },\n * { 'user': 'fred', 'age': 40, 'active': false },\n * { 'user': 'pebbles', 'age': 1, 'active': true }\n * ];\n *\n * _.find(users, function(o) { return o.age < 40; });\n * // => object for 'barney'\n *\n * // The `_.matches` iteratee shorthand.\n * _.find(users, { 'age': 1, 'active': true });\n * // => object for 'pebbles'\n *\n * // The `_.matchesProperty` iteratee shorthand.\n * _.find(users, ['active', false]);\n * // => object for 'fred'\n *\n * // The `_.property` iteratee shorthand.\n * _.find(users, 'active');\n * // => object for 'barney'\n */\n var find = createFind(findIndex);\n\n /**\n * This method is like `_.find` except that it iterates over elements of\n * `collection` from right to left.\n *\n * @static\n * @memberOf _\n * @since 2.0.0\n * @category Collection\n * @param {Array|Object} collection The collection to inspect.\n * @param {Function} [predicate=_.identity] The function invoked per iteration.\n * @param {number} [fromIndex=collection.length-1] The index to search from.\n * @returns {*} Returns the matched element, else `undefined`.\n * @example\n *\n * _.findLast([1, 2, 3, 4], function(n) {\n * return n % 2 == 1;\n * });\n * // => 3\n */\n var findLast = createFind(findLastIndex);\n\n /**\n * Creates a flattened array of values by running each element in `collection`\n * thru `iteratee` and flattening the mapped results. The iteratee is invoked\n * with three arguments: (value, index|key, collection).\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Collection\n * @param {Array|Object} collection The collection to iterate over.\n * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n * @returns {Array} Returns the new flattened array.\n * @example\n *\n * function duplicate(n) {\n * return [n, n];\n * }\n *\n * _.flatMap([1, 2], duplicate);\n * // => [1, 1, 2, 2]\n */\n function flatMap(collection, iteratee) {\n return baseFlatten(map(collection, iteratee), 1);\n }\n\n /**\n * This method is like `_.flatMap` except that it recursively flattens the\n * mapped results.\n *\n * @static\n * @memberOf _\n * @since 4.7.0\n * @category Collection\n * @param {Array|Object} collection The collection to iterate over.\n * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n * @returns {Array} Returns the new flattened array.\n * @example\n *\n * function duplicate(n) {\n * return [[[n, n]]];\n * }\n *\n * _.flatMapDeep([1, 2], duplicate);\n * // => [1, 1, 2, 2]\n */\n function flatMapDeep(collection, iteratee) {\n return baseFlatten(map(collection, iteratee), INFINITY);\n }\n\n /**\n * This method is like `_.flatMap` except that it recursively flattens the\n * mapped results up to `depth` times.\n *\n * @static\n * @memberOf _\n * @since 4.7.0\n * @category Collection\n * @param {Array|Object} collection The collection to iterate over.\n * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n * @param {number} [depth=1] The maximum recursion depth.\n * @returns {Array} Returns the new flattened array.\n * @example\n *\n * function duplicate(n) {\n * return [[[n, n]]];\n * }\n *\n * _.flatMapDepth([1, 2], duplicate, 2);\n * // => [[1, 1], [2, 2]]\n */\n function flatMapDepth(collection, iteratee, depth) {\n depth = depth === undefined ? 1 : toInteger(depth);\n return baseFlatten(map(collection, iteratee), depth);\n }\n\n /**\n * Iterates over elements of `collection` and invokes `iteratee` for each element.\n * The iteratee is invoked with three arguments: (value, index|key, collection).\n * Iteratee functions may exit iteration early by explicitly returning `false`.\n *\n * **Note:** As with other \"Collections\" methods, objects with a \"length\"\n * property are iterated like arrays. To avoid this behavior use `_.forIn`\n * or `_.forOwn` for object iteration.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @alias each\n * @category Collection\n * @param {Array|Object} collection The collection to iterate over.\n * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n * @returns {Array|Object} Returns `collection`.\n * @see _.forEachRight\n * @example\n *\n * _.forEach([1, 2], function(value) {\n * console.log(value);\n * });\n * // => Logs `1` then `2`.\n *\n * _.forEach({ 'a': 1, 'b': 2 }, function(value, key) {\n * console.log(key);\n * });\n * // => Logs 'a' then 'b' (iteration order is not guaranteed).\n */\n function forEach(collection, iteratee) {\n var func = isArray(collection) ? arrayEach : baseEach;\n return func(collection, getIteratee(iteratee, 3));\n }\n\n /**\n * This method is like `_.forEach` except that it iterates over elements of\n * `collection` from right to left.\n *\n * @static\n * @memberOf _\n * @since 2.0.0\n * @alias eachRight\n * @category Collection\n * @param {Array|Object} collection The collection to iterate over.\n * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n * @returns {Array|Object} Returns `collection`.\n * @see _.forEach\n * @example\n *\n * _.forEachRight([1, 2], function(value) {\n * console.log(value);\n * });\n * // => Logs `2` then `1`.\n */\n function forEachRight(collection, iteratee) {\n var func = isArray(collection) ? arrayEachRight : baseEachRight;\n return func(collection, getIteratee(iteratee, 3));\n }\n\n /**\n * Creates an object composed of keys generated from the results of running\n * each element of `collection` thru `iteratee`. The order of grouped values\n * is determined by the order they occur in `collection`. The corresponding\n * value of each key is an array of elements responsible for generating the\n * key. The iteratee is invoked with one argument: (value).\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Collection\n * @param {Array|Object} collection The collection to iterate over.\n * @param {Function} [iteratee=_.identity] The iteratee to transform keys.\n * @returns {Object} Returns the composed aggregate object.\n * @example\n *\n * _.groupBy([6.1, 4.2, 6.3], Math.floor);\n * // => { '4': [4.2], '6': [6.1, 6.3] }\n *\n * // The `_.property` iteratee shorthand.\n * _.groupBy(['one', 'two', 'three'], 'length');\n * // => { '3': ['one', 'two'], '5': ['three'] }\n */\n var groupBy = createAggregator(function(result, value, key) {\n if (hasOwnProperty.call(result, key)) {\n result[key].push(value);\n } else {\n baseAssignValue(result, key, [value]);\n }\n });\n\n /**\n * Checks if `value` is in `collection`. If `collection` is a string, it's\n * checked for a substring of `value`, otherwise\n * [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)\n * is used for equality comparisons. If `fromIndex` is negative, it's used as\n * the offset from the end of `collection`.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Collection\n * @param {Array|Object|string} collection The collection to inspect.\n * @param {*} value The value to search for.\n * @param {number} [fromIndex=0] The index to search from.\n * @param- {Object} [guard] Enables use as an iteratee for methods like `_.reduce`.\n * @returns {boolean} Returns `true` if `value` is found, else `false`.\n * @example\n *\n * _.includes([1, 2, 3], 1);\n * // => true\n *\n * _.includes([1, 2, 3], 1, 2);\n * // => false\n *\n * _.includes({ 'a': 1, 'b': 2 }, 1);\n * // => true\n *\n * _.includes('abcd', 'bc');\n * // => true\n */\n function includes(collection, value, fromIndex, guard) {\n collection = isArrayLike(collection) ? collection : values(collection);\n fromIndex = (fromIndex && !guard) ? toInteger(fromIndex) : 0;\n\n var length = collection.length;\n if (fromIndex < 0) {\n fromIndex = nativeMax(length + fromIndex, 0);\n }\n return isString(collection)\n ? (fromIndex <= length && collection.indexOf(value, fromIndex) > -1)\n : (!!length && baseIndexOf(collection, value, fromIndex) > -1);\n }\n\n /**\n * Invokes the method at `path` of each element in `collection`, returning\n * an array of the results of each invoked method. Any additional arguments\n * are provided to each invoked method. If `path` is a function, it's invoked\n * for, and `this` bound to, each element in `collection`.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Collection\n * @param {Array|Object} collection The collection to iterate over.\n * @param {Array|Function|string} path The path of the method to invoke or\n * the function invoked per iteration.\n * @param {...*} [args] The arguments to invoke each method with.\n * @returns {Array} Returns the array of results.\n * @example\n *\n * _.invokeMap([[5, 1, 7], [3, 2, 1]], 'sort');\n * // => [[1, 5, 7], [1, 2, 3]]\n *\n * _.invokeMap([123, 456], String.prototype.split, '');\n * // => [['1', '2', '3'], ['4', '5', '6']]\n */\n var invokeMap = baseRest(function(collection, path, args) {\n var index = -1,\n isFunc = typeof path == 'function',\n result = isArrayLike(collection) ? Array(collection.length) : [];\n\n baseEach(collection, function(value) {\n result[++index] = isFunc ? apply(path, value, args) : baseInvoke(value, path, args);\n });\n return result;\n });\n\n /**\n * Creates an object composed of keys generated from the results of running\n * each element of `collection` thru `iteratee`. The corresponding value of\n * each key is the last element responsible for generating the key. The\n * iteratee is invoked with one argument: (value).\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Collection\n * @param {Array|Object} collection The collection to iterate over.\n * @param {Function} [iteratee=_.identity] The iteratee to transform keys.\n * @returns {Object} Returns the composed aggregate object.\n * @example\n *\n * var array = [\n * { 'dir': 'left', 'code': 97 },\n * { 'dir': 'right', 'code': 100 }\n * ];\n *\n * _.keyBy(array, function(o) {\n * return String.fromCharCode(o.code);\n * });\n * // => { 'a': { 'dir': 'left', 'code': 97 }, 'd': { 'dir': 'right', 'code': 100 } }\n *\n * _.keyBy(array, 'dir');\n * // => { 'left': { 'dir': 'left', 'code': 97 }, 'right': { 'dir': 'right', 'code': 100 } }\n */\n var keyBy = createAggregator(function(result, value, key) {\n baseAssignValue(result, key, value);\n });\n\n /**\n * Creates an array of values by running each element in `collection` thru\n * `iteratee`. The iteratee is invoked with three arguments:\n * (value, index|key, collection).\n *\n * Many lodash methods are guarded to work as iteratees for methods like\n * `_.every`, `_.filter`, `_.map`, `_.mapValues`, `_.reject`, and `_.some`.\n *\n * The guarded methods are:\n * `ary`, `chunk`, `curry`, `curryRight`, `drop`, `dropRight`, `every`,\n * `fill`, `invert`, `parseInt`, `random`, `range`, `rangeRight`, `repeat`,\n * `sampleSize`, `slice`, `some`, `sortBy`, `split`, `take`, `takeRight`,\n * `template`, `trim`, `trimEnd`, `trimStart`, and `words`\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Collection\n * @param {Array|Object} collection The collection to iterate over.\n * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n * @returns {Array} Returns the new mapped array.\n * @example\n *\n * function square(n) {\n * return n * n;\n * }\n *\n * _.map([4, 8], square);\n * // => [16, 64]\n *\n * _.map({ 'a': 4, 'b': 8 }, square);\n * // => [16, 64] (iteration order is not guaranteed)\n *\n * var users = [\n * { 'user': 'barney' },\n * { 'user': 'fred' }\n * ];\n *\n * // The `_.property` iteratee shorthand.\n * _.map(users, 'user');\n * // => ['barney', 'fred']\n */\n function map(collection, iteratee) {\n var func = isArray(collection) ? arrayMap : baseMap;\n return func(collection, getIteratee(iteratee, 3));\n }\n\n /**\n * This method is like `_.sortBy` except that it allows specifying the sort\n * orders of the iteratees to sort by. If `orders` is unspecified, all values\n * are sorted in ascending order. Otherwise, specify an order of \"desc\" for\n * descending or \"asc\" for ascending sort order of corresponding values.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Collection\n * @param {Array|Object} collection The collection to iterate over.\n * @param {Array[]|Function[]|Object[]|string[]} [iteratees=[_.identity]]\n * The iteratees to sort by.\n * @param {string[]} [orders] The sort orders of `iteratees`.\n * @param- {Object} [guard] Enables use as an iteratee for methods like `_.reduce`.\n * @returns {Array} Returns the new sorted array.\n * @example\n *\n * var users = [\n * { 'user': 'fred', 'age': 48 },\n * { 'user': 'barney', 'age': 34 },\n * { 'user': 'fred', 'age': 40 },\n * { 'user': 'barney', 'age': 36 }\n * ];\n *\n * // Sort by `user` in ascending order and by `age` in descending order.\n * _.orderBy(users, ['user', 'age'], ['asc', 'desc']);\n * // => objects for [['barney', 36], ['barney', 34], ['fred', 48], ['fred', 40]]\n */\n function orderBy(collection, iteratees, orders, guard) {\n if (collection == null) {\n return [];\n }\n if (!isArray(iteratees)) {\n iteratees = iteratees == null ? [] : [iteratees];\n }\n orders = guard ? undefined : orders;\n if (!isArray(orders)) {\n orders = orders == null ? [] : [orders];\n }\n return baseOrderBy(collection, iteratees, orders);\n }\n\n /**\n * Creates an array of elements split into two groups, the first of which\n * contains elements `predicate` returns truthy for, the second of which\n * contains elements `predicate` returns falsey for. The predicate is\n * invoked with one argument: (value).\n *\n * @static\n * @memberOf _\n * @since 3.0.0\n * @category Collection\n * @param {Array|Object} collection The collection to iterate over.\n * @param {Function} [predicate=_.identity] The function invoked per iteration.\n * @returns {Array} Returns the array of grouped elements.\n * @example\n *\n * var users = [\n * { 'user': 'barney', 'age': 36, 'active': false },\n * { 'user': 'fred', 'age': 40, 'active': true },\n * { 'user': 'pebbles', 'age': 1, 'active': false }\n * ];\n *\n * _.partition(users, function(o) { return o.active; });\n * // => objects for [['fred'], ['barney', 'pebbles']]\n *\n * // The `_.matches` iteratee shorthand.\n * _.partition(users, { 'age': 1, 'active': false });\n * // => objects for [['pebbles'], ['barney', 'fred']]\n *\n * // The `_.matchesProperty` iteratee shorthand.\n * _.partition(users, ['active', false]);\n * // => objects for [['barney', 'pebbles'], ['fred']]\n *\n * // The `_.property` iteratee shorthand.\n * _.partition(users, 'active');\n * // => objects for [['fred'], ['barney', 'pebbles']]\n */\n var partition = createAggregator(function(result, value, key) {\n result[key ? 0 : 1].push(value);\n }, function() { return [[], []]; });\n\n /**\n * Reduces `collection` to a value which is the accumulated result of running\n * each element in `collection` thru `iteratee`, where each successive\n * invocation is supplied the return value of the previous. If `accumulator`\n * is not given, the first element of `collection` is used as the initial\n * value. The iteratee is invoked with four arguments:\n * (accumulator, value, index|key, collection).\n *\n * Many lodash methods are guarded to work as iteratees for methods like\n * `_.reduce`, `_.reduceRight`, and `_.transform`.\n *\n * The guarded methods are:\n * `assign`, `defaults`, `defaultsDeep`, `includes`, `merge`, `orderBy`,\n * and `sortBy`\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Collection\n * @param {Array|Object} collection The collection to iterate over.\n * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n * @param {*} [accumulator] The initial value.\n * @returns {*} Returns the accumulated value.\n * @see _.reduceRight\n * @example\n *\n * _.reduce([1, 2], function(sum, n) {\n * return sum + n;\n * }, 0);\n * // => 3\n *\n * _.reduce({ 'a': 1, 'b': 2, 'c': 1 }, function(result, value, key) {\n * (result[value] || (result[value] = [])).push(key);\n * return result;\n * }, {});\n * // => { '1': ['a', 'c'], '2': ['b'] } (iteration order is not guaranteed)\n */\n function reduce(collection, iteratee, accumulator) {\n var func = isArray(collection) ? arrayReduce : baseReduce,\n initAccum = arguments.length < 3;\n\n return func(collection, getIteratee(iteratee, 4), accumulator, initAccum, baseEach);\n }\n\n /**\n * This method is like `_.reduce` except that it iterates over elements of\n * `collection` from right to left.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Collection\n * @param {Array|Object} collection The collection to iterate over.\n * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n * @param {*} [accumulator] The initial value.\n * @returns {*} Returns the accumulated value.\n * @see _.reduce\n * @example\n *\n * var array = [[0, 1], [2, 3], [4, 5]];\n *\n * _.reduceRight(array, function(flattened, other) {\n * return flattened.concat(other);\n * }, []);\n * // => [4, 5, 2, 3, 0, 1]\n */\n function reduceRight(collection, iteratee, accumulator) {\n var func = isArray(collection) ? arrayReduceRight : baseReduce,\n initAccum = arguments.length < 3;\n\n return func(collection, getIteratee(iteratee, 4), accumulator, initAccum, baseEachRight);\n }\n\n /**\n * The opposite of `_.filter`; this method returns the elements of `collection`\n * that `predicate` does **not** return truthy for.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Collection\n * @param {Array|Object} collection The collection to iterate over.\n * @param {Function} [predicate=_.identity] The function invoked per iteration.\n * @returns {Array} Returns the new filtered array.\n * @see _.filter\n * @example\n *\n * var users = [\n * { 'user': 'barney', 'age': 36, 'active': false },\n * { 'user': 'fred', 'age': 40, 'active': true }\n * ];\n *\n * _.reject(users, function(o) { return !o.active; });\n * // => objects for ['fred']\n *\n * // The `_.matches` iteratee shorthand.\n * _.reject(users, { 'age': 40, 'active': true });\n * // => objects for ['barney']\n *\n * // The `_.matchesProperty` iteratee shorthand.\n * _.reject(users, ['active', false]);\n * // => objects for ['fred']\n *\n * // The `_.property` iteratee shorthand.\n * _.reject(users, 'active');\n * // => objects for ['barney']\n */\n function reject(collection, predicate) {\n var func = isArray(collection) ? arrayFilter : baseFilter;\n return func(collection, negate(getIteratee(predicate, 3)));\n }\n\n /**\n * Gets a random element from `collection`.\n *\n * @static\n * @memberOf _\n * @since 2.0.0\n * @category Collection\n * @param {Array|Object} collection The collection to sample.\n * @returns {*} Returns the random element.\n * @example\n *\n * _.sample([1, 2, 3, 4]);\n * // => 2\n */\n function sample(collection) {\n var func = isArray(collection) ? arraySample : baseSample;\n return func(collection);\n }\n\n /**\n * Gets `n` random elements at unique keys from `collection` up to the\n * size of `collection`.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Collection\n * @param {Array|Object} collection The collection to sample.\n * @param {number} [n=1] The number of elements to sample.\n * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n * @returns {Array} Returns the random elements.\n * @example\n *\n * _.sampleSize([1, 2, 3], 2);\n * // => [3, 1]\n *\n * _.sampleSize([1, 2, 3], 4);\n * // => [2, 3, 1]\n */\n function sampleSize(collection, n, guard) {\n if ((guard ? isIterateeCall(collection, n, guard) : n === undefined)) {\n n = 1;\n } else {\n n = toInteger(n);\n }\n var func = isArray(collection) ? arraySampleSize : baseSampleSize;\n return func(collection, n);\n }\n\n /**\n * Creates an array of shuffled values, using a version of the\n * [Fisher-Yates shuffle](https://en.wikipedia.org/wiki/Fisher-Yates_shuffle).\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Collection\n * @param {Array|Object} collection The collection to shuffle.\n * @returns {Array} Returns the new shuffled array.\n * @example\n *\n * _.shuffle([1, 2, 3, 4]);\n * // => [4, 1, 3, 2]\n */\n function shuffle(collection) {\n var func = isArray(collection) ? arrayShuffle : baseShuffle;\n return func(collection);\n }\n\n /**\n * Gets the size of `collection` by returning its length for array-like\n * values or the number of own enumerable string keyed properties for objects.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Collection\n * @param {Array|Object|string} collection The collection to inspect.\n * @returns {number} Returns the collection size.\n * @example\n *\n * _.size([1, 2, 3]);\n * // => 3\n *\n * _.size({ 'a': 1, 'b': 2 });\n * // => 2\n *\n * _.size('pebbles');\n * // => 7\n */\n function size(collection) {\n if (collection == null) {\n return 0;\n }\n if (isArrayLike(collection)) {\n return isString(collection) ? stringSize(collection) : collection.length;\n }\n var tag = getTag(collection);\n if (tag == mapTag || tag == setTag) {\n return collection.size;\n }\n return baseKeys(collection).length;\n }\n\n /**\n * Checks if `predicate` returns truthy for **any** element of `collection`.\n * Iteration is stopped once `predicate` returns truthy. The predicate is\n * invoked with three arguments: (value, index|key, collection).\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Collection\n * @param {Array|Object} collection The collection to iterate over.\n * @param {Function} [predicate=_.identity] The function invoked per iteration.\n * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n * @returns {boolean} Returns `true` if any element passes the predicate check,\n * else `false`.\n * @example\n *\n * _.some([null, 0, 'yes', false], Boolean);\n * // => true\n *\n * var users = [\n * { 'user': 'barney', 'active': true },\n * { 'user': 'fred', 'active': false }\n * ];\n *\n * // The `_.matches` iteratee shorthand.\n * _.some(users, { 'user': 'barney', 'active': false });\n * // => false\n *\n * // The `_.matchesProperty` iteratee shorthand.\n * _.some(users, ['active', false]);\n * // => true\n *\n * // The `_.property` iteratee shorthand.\n * _.some(users, 'active');\n * // => true\n */\n function some(collection, predicate, guard) {\n var func = isArray(collection) ? arraySome : baseSome;\n if (guard && isIterateeCall(collection, predicate, guard)) {\n predicate = undefined;\n }\n return func(collection, getIteratee(predicate, 3));\n }\n\n /**\n * Creates an array of elements, sorted in ascending order by the results of\n * running each element in a collection thru each iteratee. This method\n * performs a stable sort, that is, it preserves the original sort order of\n * equal elements. The iteratees are invoked with one argument: (value).\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Collection\n * @param {Array|Object} collection The collection to iterate over.\n * @param {...(Function|Function[])} [iteratees=[_.identity]]\n * The iteratees to sort by.\n * @returns {Array} Returns the new sorted array.\n * @example\n *\n * var users = [\n * { 'user': 'fred', 'age': 48 },\n * { 'user': 'barney', 'age': 36 },\n * { 'user': 'fred', 'age': 40 },\n * { 'user': 'barney', 'age': 34 }\n * ];\n *\n * _.sortBy(users, [function(o) { return o.user; }]);\n * // => objects for [['barney', 36], ['barney', 34], ['fred', 48], ['fred', 40]]\n *\n * _.sortBy(users, ['user', 'age']);\n * // => objects for [['barney', 34], ['barney', 36], ['fred', 40], ['fred', 48]]\n */\n var sortBy = baseRest(function(collection, iteratees) {\n if (collection == null) {\n return [];\n }\n var length = iteratees.length;\n if (length > 1 && isIterateeCall(collection, iteratees[0], iteratees[1])) {\n iteratees = [];\n } else if (length > 2 && isIterateeCall(iteratees[0], iteratees[1], iteratees[2])) {\n iteratees = [iteratees[0]];\n }\n return baseOrderBy(collection, baseFlatten(iteratees, 1), []);\n });\n\n /*------------------------------------------------------------------------*/\n\n /**\n * Gets the timestamp of the number of milliseconds that have elapsed since\n * the Unix epoch (1 January 1970 00:00:00 UTC).\n *\n * @static\n * @memberOf _\n * @since 2.4.0\n * @category Date\n * @returns {number} Returns the timestamp.\n * @example\n *\n * _.defer(function(stamp) {\n * console.log(_.now() - stamp);\n * }, _.now());\n * // => Logs the number of milliseconds it took for the deferred invocation.\n */\n var now = ctxNow || function() {\n return root.Date.now();\n };\n\n /*------------------------------------------------------------------------*/\n\n /**\n * The opposite of `_.before`; this method creates a function that invokes\n * `func` once it's called `n` or more times.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Function\n * @param {number} n The number of calls before `func` is invoked.\n * @param {Function} func The function to restrict.\n * @returns {Function} Returns the new restricted function.\n * @example\n *\n * var saves = ['profile', 'settings'];\n *\n * var done = _.after(saves.length, function() {\n * console.log('done saving!');\n * });\n *\n * _.forEach(saves, function(type) {\n * asyncSave({ 'type': type, 'complete': done });\n * });\n * // => Logs 'done saving!' after the two async saves have completed.\n */\n function after(n, func) {\n if (typeof func != 'function') {\n throw new TypeError(FUNC_ERROR_TEXT);\n }\n n = toInteger(n);\n return function() {\n if (--n < 1) {\n return func.apply(this, arguments);\n }\n };\n }\n\n /**\n * Creates a function that invokes `func`, with up to `n` arguments,\n * ignoring any additional arguments.\n *\n * @static\n * @memberOf _\n * @since 3.0.0\n * @category Function\n * @param {Function} func The function to cap arguments for.\n * @param {number} [n=func.length] The arity cap.\n * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n * @returns {Function} Returns the new capped function.\n * @example\n *\n * _.map(['6', '8', '10'], _.ary(parseInt, 1));\n * // => [6, 8, 10]\n */\n function ary(func, n, guard) {\n n = guard ? undefined : n;\n n = (func && n == null) ? func.length : n;\n return createWrap(func, WRAP_ARY_FLAG, undefined, undefined, undefined, undefined, n);\n }\n\n /**\n * Creates a function that invokes `func`, with the `this` binding and arguments\n * of the created function, while it's called less than `n` times. Subsequent\n * calls to the created function return the result of the last `func` invocation.\n *\n * @static\n * @memberOf _\n * @since 3.0.0\n * @category Function\n * @param {number} n The number of calls at which `func` is no longer invoked.\n * @param {Function} func The function to restrict.\n * @returns {Function} Returns the new restricted function.\n * @example\n *\n * jQuery(element).on('click', _.before(5, addContactToList));\n * // => Allows adding up to 4 contacts to the list.\n */\n function before(n, func) {\n var result;\n if (typeof func != 'function') {\n throw new TypeError(FUNC_ERROR_TEXT);\n }\n n = toInteger(n);\n return function() {\n if (--n > 0) {\n result = func.apply(this, arguments);\n }\n if (n <= 1) {\n func = undefined;\n }\n return result;\n };\n }\n\n /**\n * Creates a function that invokes `func` with the `this` binding of `thisArg`\n * and `partials` prepended to the arguments it receives.\n *\n * The `_.bind.placeholder` value, which defaults to `_` in monolithic builds,\n * may be used as a placeholder for partially applied arguments.\n *\n * **Note:** Unlike native `Function#bind`, this method doesn't set the \"length\"\n * property of bound functions.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Function\n * @param {Function} func The function to bind.\n * @param {*} thisArg The `this` binding of `func`.\n * @param {...*} [partials] The arguments to be partially applied.\n * @returns {Function} Returns the new bound function.\n * @example\n *\n * function greet(greeting, punctuation) {\n * return greeting + ' ' + this.user + punctuation;\n * }\n *\n * var object = { 'user': 'fred' };\n *\n * var bound = _.bind(greet, object, 'hi');\n * bound('!');\n * // => 'hi fred!'\n *\n * // Bound with placeholders.\n * var bound = _.bind(greet, object, _, '!');\n * bound('hi');\n * // => 'hi fred!'\n */\n var bind = baseRest(function(func, thisArg, partials) {\n var bitmask = WRAP_BIND_FLAG;\n if (partials.length) {\n var holders = replaceHolders(partials, getHolder(bind));\n bitmask |= WRAP_PARTIAL_FLAG;\n }\n return createWrap(func, bitmask, thisArg, partials, holders);\n });\n\n /**\n * Creates a function that invokes the method at `object[key]` with `partials`\n * prepended to the arguments it receives.\n *\n * This method differs from `_.bind` by allowing bound functions to reference\n * methods that may be redefined or don't yet exist. See\n * [Peter Michaux's article](http://peter.michaux.ca/articles/lazy-function-definition-pattern)\n * for more details.\n *\n * The `_.bindKey.placeholder` value, which defaults to `_` in monolithic\n * builds, may be used as a placeholder for partially applied arguments.\n *\n * @static\n * @memberOf _\n * @since 0.10.0\n * @category Function\n * @param {Object} object The object to invoke the method on.\n * @param {string} key The key of the method.\n * @param {...*} [partials] The arguments to be partially applied.\n * @returns {Function} Returns the new bound function.\n * @example\n *\n * var object = {\n * 'user': 'fred',\n * 'greet': function(greeting, punctuation) {\n * return greeting + ' ' + this.user + punctuation;\n * }\n * };\n *\n * var bound = _.bindKey(object, 'greet', 'hi');\n * bound('!');\n * // => 'hi fred!'\n *\n * object.greet = function(greeting, punctuation) {\n * return greeting + 'ya ' + this.user + punctuation;\n * };\n *\n * bound('!');\n * // => 'hiya fred!'\n *\n * // Bound with placeholders.\n * var bound = _.bindKey(object, 'greet', _, '!');\n * bound('hi');\n * // => 'hiya fred!'\n */\n var bindKey = baseRest(function(object, key, partials) {\n var bitmask = WRAP_BIND_FLAG | WRAP_BIND_KEY_FLAG;\n if (partials.length) {\n var holders = replaceHolders(partials, getHolder(bindKey));\n bitmask |= WRAP_PARTIAL_FLAG;\n }\n return createWrap(key, bitmask, object, partials, holders);\n });\n\n /**\n * Creates a function that accepts arguments of `func` and either invokes\n * `func` returning its result, if at least `arity` number of arguments have\n * been provided, or returns a function that accepts the remaining `func`\n * arguments, and so on. The arity of `func` may be specified if `func.length`\n * is not sufficient.\n *\n * The `_.curry.placeholder` value, which defaults to `_` in monolithic builds,\n * may be used as a placeholder for provided arguments.\n *\n * **Note:** This method doesn't set the \"length\" property of curried functions.\n *\n * @static\n * @memberOf _\n * @since 2.0.0\n * @category Function\n * @param {Function} func The function to curry.\n * @param {number} [arity=func.length] The arity of `func`.\n * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n * @returns {Function} Returns the new curried function.\n * @example\n *\n * var abc = function(a, b, c) {\n * return [a, b, c];\n * };\n *\n * var curried = _.curry(abc);\n *\n * curried(1)(2)(3);\n * // => [1, 2, 3]\n *\n * curried(1, 2)(3);\n * // => [1, 2, 3]\n *\n * curried(1, 2, 3);\n * // => [1, 2, 3]\n *\n * // Curried with placeholders.\n * curried(1)(_, 3)(2);\n * // => [1, 2, 3]\n */\n function curry(func, arity, guard) {\n arity = guard ? undefined : arity;\n var result = createWrap(func, WRAP_CURRY_FLAG, undefined, undefined, undefined, undefined, undefined, arity);\n result.placeholder = curry.placeholder;\n return result;\n }\n\n /**\n * This method is like `_.curry` except that arguments are applied to `func`\n * in the manner of `_.partialRight` instead of `_.partial`.\n *\n * The `_.curryRight.placeholder` value, which defaults to `_` in monolithic\n * builds, may be used as a placeholder for provided arguments.\n *\n * **Note:** This method doesn't set the \"length\" property of curried functions.\n *\n * @static\n * @memberOf _\n * @since 3.0.0\n * @category Function\n * @param {Function} func The function to curry.\n * @param {number} [arity=func.length] The arity of `func`.\n * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n * @returns {Function} Returns the new curried function.\n * @example\n *\n * var abc = function(a, b, c) {\n * return [a, b, c];\n * };\n *\n * var curried = _.curryRight(abc);\n *\n * curried(3)(2)(1);\n * // => [1, 2, 3]\n *\n * curried(2, 3)(1);\n * // => [1, 2, 3]\n *\n * curried(1, 2, 3);\n * // => [1, 2, 3]\n *\n * // Curried with placeholders.\n * curried(3)(1, _)(2);\n * // => [1, 2, 3]\n */\n function curryRight(func, arity, guard) {\n arity = guard ? undefined : arity;\n var result = createWrap(func, WRAP_CURRY_RIGHT_FLAG, undefined, undefined, undefined, undefined, undefined, arity);\n result.placeholder = curryRight.placeholder;\n return result;\n }\n\n /**\n * Creates a debounced function that delays invoking `func` until after `wait`\n * milliseconds have elapsed since the last time the debounced function was\n * invoked. The debounced function comes with a `cancel` method to cancel\n * delayed `func` invocations and a `flush` method to immediately invoke them.\n * Provide `options` to indicate whether `func` should be invoked on the\n * leading and/or trailing edge of the `wait` timeout. The `func` is invoked\n * with the last arguments provided to the debounced function. Subsequent\n * calls to the debounced function return the result of the last `func`\n * invocation.\n *\n * **Note:** If `leading` and `trailing` options are `true`, `func` is\n * invoked on the trailing edge of the timeout only if the debounced function\n * is invoked more than once during the `wait` timeout.\n *\n * If `wait` is `0` and `leading` is `false`, `func` invocation is deferred\n * until to the next tick, similar to `setTimeout` with a timeout of `0`.\n *\n * See [David Corbacho's article](https://css-tricks.com/debouncing-throttling-explained-examples/)\n * for details over the differences between `_.debounce` and `_.throttle`.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Function\n * @param {Function} func The function to debounce.\n * @param {number} [wait=0] The number of milliseconds to delay.\n * @param {Object} [options={}] The options object.\n * @param {boolean} [options.leading=false]\n * Specify invoking on the leading edge of the timeout.\n * @param {number} [options.maxWait]\n * The maximum time `func` is allowed to be delayed before it's invoked.\n * @param {boolean} [options.trailing=true]\n * Specify invoking on the trailing edge of the timeout.\n * @returns {Function} Returns the new debounced function.\n * @example\n *\n * // Avoid costly calculations while the window size is in flux.\n * jQuery(window).on('resize', _.debounce(calculateLayout, 150));\n *\n * // Invoke `sendMail` when clicked, debouncing subsequent calls.\n * jQuery(element).on('click', _.debounce(sendMail, 300, {\n * 'leading': true,\n * 'trailing': false\n * }));\n *\n * // Ensure `batchLog` is invoked once after 1 second of debounced calls.\n * var debounced = _.debounce(batchLog, 250, { 'maxWait': 1000 });\n * var source = new EventSource('/stream');\n * jQuery(source).on('message', debounced);\n *\n * // Cancel the trailing debounced invocation.\n * jQuery(window).on('popstate', debounced.cancel);\n */\n function debounce(func, wait, options) {\n var lastArgs,\n lastThis,\n maxWait,\n result,\n timerId,\n lastCallTime,\n lastInvokeTime = 0,\n leading = false,\n maxing = false,\n trailing = true;\n\n if (typeof func != 'function') {\n throw new TypeError(FUNC_ERROR_TEXT);\n }\n wait = toNumber(wait) || 0;\n if (isObject(options)) {\n leading = !!options.leading;\n maxing = 'maxWait' in options;\n maxWait = maxing ? nativeMax(toNumber(options.maxWait) || 0, wait) : maxWait;\n trailing = 'trailing' in options ? !!options.trailing : trailing;\n }\n\n function invokeFunc(time) {\n var args = lastArgs,\n thisArg = lastThis;\n\n lastArgs = lastThis = undefined;\n lastInvokeTime = time;\n result = func.apply(thisArg, args);\n return result;\n }\n\n function leadingEdge(time) {\n // Reset any `maxWait` timer.\n lastInvokeTime = time;\n // Start the timer for the trailing edge.\n timerId = setTimeout(timerExpired, wait);\n // Invoke the leading edge.\n return leading ? invokeFunc(time) : result;\n }\n\n function remainingWait(time) {\n var timeSinceLastCall = time - lastCallTime,\n timeSinceLastInvoke = time - lastInvokeTime,\n timeWaiting = wait - timeSinceLastCall;\n\n return maxing\n ? nativeMin(timeWaiting, maxWait - timeSinceLastInvoke)\n : timeWaiting;\n }\n\n function shouldInvoke(time) {\n var timeSinceLastCall = time - lastCallTime,\n timeSinceLastInvoke = time - lastInvokeTime;\n\n // Either this is the first call, activity has stopped and we're at the\n // trailing edge, the system time has gone backwards and we're treating\n // it as the trailing edge, or we've hit the `maxWait` limit.\n return (lastCallTime === undefined || (timeSinceLastCall >= wait) ||\n (timeSinceLastCall < 0) || (maxing && timeSinceLastInvoke >= maxWait));\n }\n\n function timerExpired() {\n var time = now();\n if (shouldInvoke(time)) {\n return trailingEdge(time);\n }\n // Restart the timer.\n timerId = setTimeout(timerExpired, remainingWait(time));\n }\n\n function trailingEdge(time) {\n timerId = undefined;\n\n // Only invoke if we have `lastArgs` which means `func` has been\n // debounced at least once.\n if (trailing && lastArgs) {\n return invokeFunc(time);\n }\n lastArgs = lastThis = undefined;\n return result;\n }\n\n function cancel() {\n if (timerId !== undefined) {\n clearTimeout(timerId);\n }\n lastInvokeTime = 0;\n lastArgs = lastCallTime = lastThis = timerId = undefined;\n }\n\n function flush() {\n return timerId === undefined ? result : trailingEdge(now());\n }\n\n function debounced() {\n var time = now(),\n isInvoking = shouldInvoke(time);\n\n lastArgs = arguments;\n lastThis = this;\n lastCallTime = time;\n\n if (isInvoking) {\n if (timerId === undefined) {\n return leadingEdge(lastCallTime);\n }\n if (maxing) {\n // Handle invocations in a tight loop.\n clearTimeout(timerId);\n timerId = setTimeout(timerExpired, wait);\n return invokeFunc(lastCallTime);\n }\n }\n if (timerId === undefined) {\n timerId = setTimeout(timerExpired, wait);\n }\n return result;\n }\n debounced.cancel = cancel;\n debounced.flush = flush;\n return debounced;\n }\n\n /**\n * Defers invoking the `func` until the current call stack has cleared. Any\n * additional arguments are provided to `func` when it's invoked.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Function\n * @param {Function} func The function to defer.\n * @param {...*} [args] The arguments to invoke `func` with.\n * @returns {number} Returns the timer id.\n * @example\n *\n * _.defer(function(text) {\n * console.log(text);\n * }, 'deferred');\n * // => Logs 'deferred' after one millisecond.\n */\n var defer = baseRest(function(func, args) {\n return baseDelay(func, 1, args);\n });\n\n /**\n * Invokes `func` after `wait` milliseconds. Any additional arguments are\n * provided to `func` when it's invoked.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Function\n * @param {Function} func The function to delay.\n * @param {number} wait The number of milliseconds to delay invocation.\n * @param {...*} [args] The arguments to invoke `func` with.\n * @returns {number} Returns the timer id.\n * @example\n *\n * _.delay(function(text) {\n * console.log(text);\n * }, 1000, 'later');\n * // => Logs 'later' after one second.\n */\n var delay = baseRest(function(func, wait, args) {\n return baseDelay(func, toNumber(wait) || 0, args);\n });\n\n /**\n * Creates a function that invokes `func` with arguments reversed.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Function\n * @param {Function} func The function to flip arguments for.\n * @returns {Function} Returns the new flipped function.\n * @example\n *\n * var flipped = _.flip(function() {\n * return _.toArray(arguments);\n * });\n *\n * flipped('a', 'b', 'c', 'd');\n * // => ['d', 'c', 'b', 'a']\n */\n function flip(func) {\n return createWrap(func, WRAP_FLIP_FLAG);\n }\n\n /**\n * Creates a function that memoizes the result of `func`. If `resolver` is\n * provided, it determines the cache key for storing the result based on the\n * arguments provided to the memoized function. By default, the first argument\n * provided to the memoized function is used as the map cache key. The `func`\n * is invoked with the `this` binding of the memoized function.\n *\n * **Note:** The cache is exposed as the `cache` property on the memoized\n * function. Its creation may be customized by replacing the `_.memoize.Cache`\n * constructor with one whose instances implement the\n * [`Map`](http://ecma-international.org/ecma-262/7.0/#sec-properties-of-the-map-prototype-object)\n * method interface of `clear`, `delete`, `get`, `has`, and `set`.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Function\n * @param {Function} func The function to have its output memoized.\n * @param {Function} [resolver] The function to resolve the cache key.\n * @returns {Function} Returns the new memoized function.\n * @example\n *\n * var object = { 'a': 1, 'b': 2 };\n * var other = { 'c': 3, 'd': 4 };\n *\n * var values = _.memoize(_.values);\n * values(object);\n * // => [1, 2]\n *\n * values(other);\n * // => [3, 4]\n *\n * object.a = 2;\n * values(object);\n * // => [1, 2]\n *\n * // Modify the result cache.\n * values.cache.set(object, ['a', 'b']);\n * values(object);\n * // => ['a', 'b']\n *\n * // Replace `_.memoize.Cache`.\n * _.memoize.Cache = WeakMap;\n */\n function memoize(func, resolver) {\n if (typeof func != 'function' || (resolver != null && typeof resolver != 'function')) {\n throw new TypeError(FUNC_ERROR_TEXT);\n }\n var memoized = function() {\n var args = arguments,\n key = resolver ? resolver.apply(this, args) : args[0],\n cache = memoized.cache;\n\n if (cache.has(key)) {\n return cache.get(key);\n }\n var result = func.apply(this, args);\n memoized.cache = cache.set(key, result) || cache;\n return result;\n };\n memoized.cache = new (memoize.Cache || MapCache);\n return memoized;\n }\n\n // Expose `MapCache`.\n memoize.Cache = MapCache;\n\n /**\n * Creates a function that negates the result of the predicate `func`. The\n * `func` predicate is invoked with the `this` binding and arguments of the\n * created function.\n *\n * @static\n * @memberOf _\n * @since 3.0.0\n * @category Function\n * @param {Function} predicate The predicate to negate.\n * @returns {Function} Returns the new negated function.\n * @example\n *\n * function isEven(n) {\n * return n % 2 == 0;\n * }\n *\n * _.filter([1, 2, 3, 4, 5, 6], _.negate(isEven));\n * // => [1, 3, 5]\n */\n function negate(predicate) {\n if (typeof predicate != 'function') {\n throw new TypeError(FUNC_ERROR_TEXT);\n }\n return function() {\n var args = arguments;\n switch (args.length) {\n case 0: return !predicate.call(this);\n case 1: return !predicate.call(this, args[0]);\n case 2: return !predicate.call(this, args[0], args[1]);\n case 3: return !predicate.call(this, args[0], args[1], args[2]);\n }\n return !predicate.apply(this, args);\n };\n }\n\n /**\n * Creates a function that is restricted to invoking `func` once. Repeat calls\n * to the function return the value of the first invocation. The `func` is\n * invoked with the `this` binding and arguments of the created function.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Function\n * @param {Function} func The function to restrict.\n * @returns {Function} Returns the new restricted function.\n * @example\n *\n * var initialize = _.once(createApplication);\n * initialize();\n * initialize();\n * // => `createApplication` is invoked once\n */\n function once(func) {\n return before(2, func);\n }\n\n /**\n * Creates a function that invokes `func` with its arguments transformed.\n *\n * @static\n * @since 4.0.0\n * @memberOf _\n * @category Function\n * @param {Function} func The function to wrap.\n * @param {...(Function|Function[])} [transforms=[_.identity]]\n * The argument transforms.\n * @returns {Function} Returns the new function.\n * @example\n *\n * function doubled(n) {\n * return n * 2;\n * }\n *\n * function square(n) {\n * return n * n;\n * }\n *\n * var func = _.overArgs(function(x, y) {\n * return [x, y];\n * }, [square, doubled]);\n *\n * func(9, 3);\n * // => [81, 6]\n *\n * func(10, 5);\n * // => [100, 10]\n */\n var overArgs = castRest(function(func, transforms) {\n transforms = (transforms.length == 1 && isArray(transforms[0]))\n ? arrayMap(transforms[0], baseUnary(getIteratee()))\n : arrayMap(baseFlatten(transforms, 1), baseUnary(getIteratee()));\n\n var funcsLength = transforms.length;\n return baseRest(function(args) {\n var index = -1,\n length = nativeMin(args.length, funcsLength);\n\n while (++index < length) {\n args[index] = transforms[index].call(this, args[index]);\n }\n return apply(func, this, args);\n });\n });\n\n /**\n * Creates a function that invokes `func` with `partials` prepended to the\n * arguments it receives. This method is like `_.bind` except it does **not**\n * alter the `this` binding.\n *\n * The `_.partial.placeholder` value, which defaults to `_` in monolithic\n * builds, may be used as a placeholder for partially applied arguments.\n *\n * **Note:** This method doesn't set the \"length\" property of partially\n * applied functions.\n *\n * @static\n * @memberOf _\n * @since 0.2.0\n * @category Function\n * @param {Function} func The function to partially apply arguments to.\n * @param {...*} [partials] The arguments to be partially applied.\n * @returns {Function} Returns the new partially applied function.\n * @example\n *\n * function greet(greeting, name) {\n * return greeting + ' ' + name;\n * }\n *\n * var sayHelloTo = _.partial(greet, 'hello');\n * sayHelloTo('fred');\n * // => 'hello fred'\n *\n * // Partially applied with placeholders.\n * var greetFred = _.partial(greet, _, 'fred');\n * greetFred('hi');\n * // => 'hi fred'\n */\n var partial = baseRest(function(func, partials) {\n var holders = replaceHolders(partials, getHolder(partial));\n return createWrap(func, WRAP_PARTIAL_FLAG, undefined, partials, holders);\n });\n\n /**\n * This method is like `_.partial` except that partially applied arguments\n * are appended to the arguments it receives.\n *\n * The `_.partialRight.placeholder` value, which defaults to `_` in monolithic\n * builds, may be used as a placeholder for partially applied arguments.\n *\n * **Note:** This method doesn't set the \"length\" property of partially\n * applied functions.\n *\n * @static\n * @memberOf _\n * @since 1.0.0\n * @category Function\n * @param {Function} func The function to partially apply arguments to.\n * @param {...*} [partials] The arguments to be partially applied.\n * @returns {Function} Returns the new partially applied function.\n * @example\n *\n * function greet(greeting, name) {\n * return greeting + ' ' + name;\n * }\n *\n * var greetFred = _.partialRight(greet, 'fred');\n * greetFred('hi');\n * // => 'hi fred'\n *\n * // Partially applied with placeholders.\n * var sayHelloTo = _.partialRight(greet, 'hello', _);\n * sayHelloTo('fred');\n * // => 'hello fred'\n */\n var partialRight = baseRest(function(func, partials) {\n var holders = replaceHolders(partials, getHolder(partialRight));\n return createWrap(func, WRAP_PARTIAL_RIGHT_FLAG, undefined, partials, holders);\n });\n\n /**\n * Creates a function that invokes `func` with arguments arranged according\n * to the specified `indexes` where the argument value at the first index is\n * provided as the first argument, the argument value at the second index is\n * provided as the second argument, and so on.\n *\n * @static\n * @memberOf _\n * @since 3.0.0\n * @category Function\n * @param {Function} func The function to rearrange arguments for.\n * @param {...(number|number[])} indexes The arranged argument indexes.\n * @returns {Function} Returns the new function.\n * @example\n *\n * var rearged = _.rearg(function(a, b, c) {\n * return [a, b, c];\n * }, [2, 0, 1]);\n *\n * rearged('b', 'c', 'a')\n * // => ['a', 'b', 'c']\n */\n var rearg = flatRest(function(func, indexes) {\n return createWrap(func, WRAP_REARG_FLAG, undefined, undefined, undefined, indexes);\n });\n\n /**\n * Creates a function that invokes `func` with the `this` binding of the\n * created function and arguments from `start` and beyond provided as\n * an array.\n *\n * **Note:** This method is based on the\n * [rest parameter](https://mdn.io/rest_parameters).\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Function\n * @param {Function} func The function to apply a rest parameter to.\n * @param {number} [start=func.length-1] The start position of the rest parameter.\n * @returns {Function} Returns the new function.\n * @example\n *\n * var say = _.rest(function(what, names) {\n * return what + ' ' + _.initial(names).join(', ') +\n * (_.size(names) > 1 ? ', & ' : '') + _.last(names);\n * });\n *\n * say('hello', 'fred', 'barney', 'pebbles');\n * // => 'hello fred, barney, & pebbles'\n */\n function rest(func, start) {\n if (typeof func != 'function') {\n throw new TypeError(FUNC_ERROR_TEXT);\n }\n start = start === undefined ? start : toInteger(start);\n return baseRest(func, start);\n }\n\n /**\n * Creates a function that invokes `func` with the `this` binding of the\n * create function and an array of arguments much like\n * [`Function#apply`](http://www.ecma-international.org/ecma-262/7.0/#sec-function.prototype.apply).\n *\n * **Note:** This method is based on the\n * [spread operator](https://mdn.io/spread_operator).\n *\n * @static\n * @memberOf _\n * @since 3.2.0\n * @category Function\n * @param {Function} func The function to spread arguments over.\n * @param {number} [start=0] The start position of the spread.\n * @returns {Function} Returns the new function.\n * @example\n *\n * var say = _.spread(function(who, what) {\n * return who + ' says ' + what;\n * });\n *\n * say(['fred', 'hello']);\n * // => 'fred says hello'\n *\n * var numbers = Promise.all([\n * Promise.resolve(40),\n * Promise.resolve(36)\n * ]);\n *\n * numbers.then(_.spread(function(x, y) {\n * return x + y;\n * }));\n * // => a Promise of 76\n */\n function spread(func, start) {\n if (typeof func != 'function') {\n throw new TypeError(FUNC_ERROR_TEXT);\n }\n start = start == null ? 0 : nativeMax(toInteger(start), 0);\n return baseRest(function(args) {\n var array = args[start],\n otherArgs = castSlice(args, 0, start);\n\n if (array) {\n arrayPush(otherArgs, array);\n }\n return apply(func, this, otherArgs);\n });\n }\n\n /**\n * Creates a throttled function that only invokes `func` at most once per\n * every `wait` milliseconds. The throttled function comes with a `cancel`\n * method to cancel delayed `func` invocations and a `flush` method to\n * immediately invoke them. Provide `options` to indicate whether `func`\n * should be invoked on the leading and/or trailing edge of the `wait`\n * timeout. The `func` is invoked with the last arguments provided to the\n * throttled function. Subsequent calls to the throttled function return the\n * result of the last `func` invocation.\n *\n * **Note:** If `leading` and `trailing` options are `true`, `func` is\n * invoked on the trailing edge of the timeout only if the throttled function\n * is invoked more than once during the `wait` timeout.\n *\n * If `wait` is `0` and `leading` is `false`, `func` invocation is deferred\n * until to the next tick, similar to `setTimeout` with a timeout of `0`.\n *\n * See [David Corbacho's article](https://css-tricks.com/debouncing-throttling-explained-examples/)\n * for details over the differences between `_.throttle` and `_.debounce`.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Function\n * @param {Function} func The function to throttle.\n * @param {number} [wait=0] The number of milliseconds to throttle invocations to.\n * @param {Object} [options={}] The options object.\n * @param {boolean} [options.leading=true]\n * Specify invoking on the leading edge of the timeout.\n * @param {boolean} [options.trailing=true]\n * Specify invoking on the trailing edge of the timeout.\n * @returns {Function} Returns the new throttled function.\n * @example\n *\n * // Avoid excessively updating the position while scrolling.\n * jQuery(window).on('scroll', _.throttle(updatePosition, 100));\n *\n * // Invoke `renewToken` when the click event is fired, but not more than once every 5 minutes.\n * var throttled = _.throttle(renewToken, 300000, { 'trailing': false });\n * jQuery(element).on('click', throttled);\n *\n * // Cancel the trailing throttled invocation.\n * jQuery(window).on('popstate', throttled.cancel);\n */\n function throttle(func, wait, options) {\n var leading = true,\n trailing = true;\n\n if (typeof func != 'function') {\n throw new TypeError(FUNC_ERROR_TEXT);\n }\n if (isObject(options)) {\n leading = 'leading' in options ? !!options.leading : leading;\n trailing = 'trailing' in options ? !!options.trailing : trailing;\n }\n return debounce(func, wait, {\n 'leading': leading,\n 'maxWait': wait,\n 'trailing': trailing\n });\n }\n\n /**\n * Creates a function that accepts up to one argument, ignoring any\n * additional arguments.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Function\n * @param {Function} func The function to cap arguments for.\n * @returns {Function} Returns the new capped function.\n * @example\n *\n * _.map(['6', '8', '10'], _.unary(parseInt));\n * // => [6, 8, 10]\n */\n function unary(func) {\n return ary(func, 1);\n }\n\n /**\n * Creates a function that provides `value` to `wrapper` as its first\n * argument. Any additional arguments provided to the function are appended\n * to those provided to the `wrapper`. The wrapper is invoked with the `this`\n * binding of the created function.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Function\n * @param {*} value The value to wrap.\n * @param {Function} [wrapper=identity] The wrapper function.\n * @returns {Function} Returns the new function.\n * @example\n *\n * var p = _.wrap(_.escape, function(func, text) {\n * return '

' + func(text) + '

';\n * });\n *\n * p('fred, barney, & pebbles');\n * // => '

fred, barney, & pebbles

'\n */\n function wrap(value, wrapper) {\n return partial(castFunction(wrapper), value);\n }\n\n /*------------------------------------------------------------------------*/\n\n /**\n * Casts `value` as an array if it's not one.\n *\n * @static\n * @memberOf _\n * @since 4.4.0\n * @category Lang\n * @param {*} value The value to inspect.\n * @returns {Array} Returns the cast array.\n * @example\n *\n * _.castArray(1);\n * // => [1]\n *\n * _.castArray({ 'a': 1 });\n * // => [{ 'a': 1 }]\n *\n * _.castArray('abc');\n * // => ['abc']\n *\n * _.castArray(null);\n * // => [null]\n *\n * _.castArray(undefined);\n * // => [undefined]\n *\n * _.castArray();\n * // => []\n *\n * var array = [1, 2, 3];\n * console.log(_.castArray(array) === array);\n * // => true\n */\n function castArray() {\n if (!arguments.length) {\n return [];\n }\n var value = arguments[0];\n return isArray(value) ? value : [value];\n }\n\n /**\n * Creates a shallow clone of `value`.\n *\n * **Note:** This method is loosely based on the\n * [structured clone algorithm](https://mdn.io/Structured_clone_algorithm)\n * and supports cloning arrays, array buffers, booleans, date objects, maps,\n * numbers, `Object` objects, regexes, sets, strings, symbols, and typed\n * arrays. The own enumerable properties of `arguments` objects are cloned\n * as plain objects. An empty object is returned for uncloneable values such\n * as error objects, functions, DOM nodes, and WeakMaps.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Lang\n * @param {*} value The value to clone.\n * @returns {*} Returns the cloned value.\n * @see _.cloneDeep\n * @example\n *\n * var objects = [{ 'a': 1 }, { 'b': 2 }];\n *\n * var shallow = _.clone(objects);\n * console.log(shallow[0] === objects[0]);\n * // => true\n */\n function clone(value) {\n return baseClone(value, CLONE_SYMBOLS_FLAG);\n }\n\n /**\n * This method is like `_.clone` except that it accepts `customizer` which\n * is invoked to produce the cloned value. If `customizer` returns `undefined`,\n * cloning is handled by the method instead. The `customizer` is invoked with\n * up to four arguments; (value [, index|key, object, stack]).\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Lang\n * @param {*} value The value to clone.\n * @param {Function} [customizer] The function to customize cloning.\n * @returns {*} Returns the cloned value.\n * @see _.cloneDeepWith\n * @example\n *\n * function customizer(value) {\n * if (_.isElement(value)) {\n * return value.cloneNode(false);\n * }\n * }\n *\n * var el = _.cloneWith(document.body, customizer);\n *\n * console.log(el === document.body);\n * // => false\n * console.log(el.nodeName);\n * // => 'BODY'\n * console.log(el.childNodes.length);\n * // => 0\n */\n function cloneWith(value, customizer) {\n customizer = typeof customizer == 'function' ? customizer : undefined;\n return baseClone(value, CLONE_SYMBOLS_FLAG, customizer);\n }\n\n /**\n * This method is like `_.clone` except that it recursively clones `value`.\n *\n * @static\n * @memberOf _\n * @since 1.0.0\n * @category Lang\n * @param {*} value The value to recursively clone.\n * @returns {*} Returns the deep cloned value.\n * @see _.clone\n * @example\n *\n * var objects = [{ 'a': 1 }, { 'b': 2 }];\n *\n * var deep = _.cloneDeep(objects);\n * console.log(deep[0] === objects[0]);\n * // => false\n */\n function cloneDeep(value) {\n return baseClone(value, CLONE_DEEP_FLAG | CLONE_SYMBOLS_FLAG);\n }\n\n /**\n * This method is like `_.cloneWith` except that it recursively clones `value`.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Lang\n * @param {*} value The value to recursively clone.\n * @param {Function} [customizer] The function to customize cloning.\n * @returns {*} Returns the deep cloned value.\n * @see _.cloneWith\n * @example\n *\n * function customizer(value) {\n * if (_.isElement(value)) {\n * return value.cloneNode(true);\n * }\n * }\n *\n * var el = _.cloneDeepWith(document.body, customizer);\n *\n * console.log(el === document.body);\n * // => false\n * console.log(el.nodeName);\n * // => 'BODY'\n * console.log(el.childNodes.length);\n * // => 20\n */\n function cloneDeepWith(value, customizer) {\n customizer = typeof customizer == 'function' ? customizer : undefined;\n return baseClone(value, CLONE_DEEP_FLAG | CLONE_SYMBOLS_FLAG, customizer);\n }\n\n /**\n * Checks if `object` conforms to `source` by invoking the predicate\n * properties of `source` with the corresponding property values of `object`.\n *\n * **Note:** This method is equivalent to `_.conforms` when `source` is\n * partially applied.\n *\n * @static\n * @memberOf _\n * @since 4.14.0\n * @category Lang\n * @param {Object} object The object to inspect.\n * @param {Object} source The object of property predicates to conform to.\n * @returns {boolean} Returns `true` if `object` conforms, else `false`.\n * @example\n *\n * var object = { 'a': 1, 'b': 2 };\n *\n * _.conformsTo(object, { 'b': function(n) { return n > 1; } });\n * // => true\n *\n * _.conformsTo(object, { 'b': function(n) { return n > 2; } });\n * // => false\n */\n function conformsTo(object, source) {\n return source == null || baseConformsTo(object, source, keys(source));\n }\n\n /**\n * Performs a\n * [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)\n * comparison between two values to determine if they are equivalent.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Lang\n * @param {*} value The value to compare.\n * @param {*} other The other value to compare.\n * @returns {boolean} Returns `true` if the values are equivalent, else `false`.\n * @example\n *\n * var object = { 'a': 1 };\n * var other = { 'a': 1 };\n *\n * _.eq(object, object);\n * // => true\n *\n * _.eq(object, other);\n * // => false\n *\n * _.eq('a', 'a');\n * // => true\n *\n * _.eq('a', Object('a'));\n * // => false\n *\n * _.eq(NaN, NaN);\n * // => true\n */\n function eq(value, other) {\n return value === other || (value !== value && other !== other);\n }\n\n /**\n * Checks if `value` is greater than `other`.\n *\n * @static\n * @memberOf _\n * @since 3.9.0\n * @category Lang\n * @param {*} value The value to compare.\n * @param {*} other The other value to compare.\n * @returns {boolean} Returns `true` if `value` is greater than `other`,\n * else `false`.\n * @see _.lt\n * @example\n *\n * _.gt(3, 1);\n * // => true\n *\n * _.gt(3, 3);\n * // => false\n *\n * _.gt(1, 3);\n * // => false\n */\n var gt = createRelationalOperation(baseGt);\n\n /**\n * Checks if `value` is greater than or equal to `other`.\n *\n * @static\n * @memberOf _\n * @since 3.9.0\n * @category Lang\n * @param {*} value The value to compare.\n * @param {*} other The other value to compare.\n * @returns {boolean} Returns `true` if `value` is greater than or equal to\n * `other`, else `false`.\n * @see _.lte\n * @example\n *\n * _.gte(3, 1);\n * // => true\n *\n * _.gte(3, 3);\n * // => true\n *\n * _.gte(1, 3);\n * // => false\n */\n var gte = createRelationalOperation(function(value, other) {\n return value >= other;\n });\n\n /**\n * Checks if `value` is likely an `arguments` object.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is an `arguments` object,\n * else `false`.\n * @example\n *\n * _.isArguments(function() { return arguments; }());\n * // => true\n *\n * _.isArguments([1, 2, 3]);\n * // => false\n */\n var isArguments = baseIsArguments(function() { return arguments; }()) ? baseIsArguments : function(value) {\n return isObjectLike(value) && hasOwnProperty.call(value, 'callee') &&\n !propertyIsEnumerable.call(value, 'callee');\n };\n\n /**\n * Checks if `value` is classified as an `Array` object.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is an array, else `false`.\n * @example\n *\n * _.isArray([1, 2, 3]);\n * // => true\n *\n * _.isArray(document.body.children);\n * // => false\n *\n * _.isArray('abc');\n * // => false\n *\n * _.isArray(_.noop);\n * // => false\n */\n var isArray = Array.isArray;\n\n /**\n * Checks if `value` is classified as an `ArrayBuffer` object.\n *\n * @static\n * @memberOf _\n * @since 4.3.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is an array buffer, else `false`.\n * @example\n *\n * _.isArrayBuffer(new ArrayBuffer(2));\n * // => true\n *\n * _.isArrayBuffer(new Array(2));\n * // => false\n */\n var isArrayBuffer = nodeIsArrayBuffer ? baseUnary(nodeIsArrayBuffer) : baseIsArrayBuffer;\n\n /**\n * Checks if `value` is array-like. A value is considered array-like if it's\n * not a function and has a `value.length` that's an integer greater than or\n * equal to `0` and less than or equal to `Number.MAX_SAFE_INTEGER`.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is array-like, else `false`.\n * @example\n *\n * _.isArrayLike([1, 2, 3]);\n * // => true\n *\n * _.isArrayLike(document.body.children);\n * // => true\n *\n * _.isArrayLike('abc');\n * // => true\n *\n * _.isArrayLike(_.noop);\n * // => false\n */\n function isArrayLike(value) {\n return value != null && isLength(value.length) && !isFunction(value);\n }\n\n /**\n * This method is like `_.isArrayLike` except that it also checks if `value`\n * is an object.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is an array-like object,\n * else `false`.\n * @example\n *\n * _.isArrayLikeObject([1, 2, 3]);\n * // => true\n *\n * _.isArrayLikeObject(document.body.children);\n * // => true\n *\n * _.isArrayLikeObject('abc');\n * // => false\n *\n * _.isArrayLikeObject(_.noop);\n * // => false\n */\n function isArrayLikeObject(value) {\n return isObjectLike(value) && isArrayLike(value);\n }\n\n /**\n * Checks if `value` is classified as a boolean primitive or object.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is a boolean, else `false`.\n * @example\n *\n * _.isBoolean(false);\n * // => true\n *\n * _.isBoolean(null);\n * // => false\n */\n function isBoolean(value) {\n return value === true || value === false ||\n (isObjectLike(value) && baseGetTag(value) == boolTag);\n }\n\n /**\n * Checks if `value` is a buffer.\n *\n * @static\n * @memberOf _\n * @since 4.3.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is a buffer, else `false`.\n * @example\n *\n * _.isBuffer(new Buffer(2));\n * // => true\n *\n * _.isBuffer(new Uint8Array(2));\n * // => false\n */\n var isBuffer = nativeIsBuffer || stubFalse;\n\n /**\n * Checks if `value` is classified as a `Date` object.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is a date object, else `false`.\n * @example\n *\n * _.isDate(new Date);\n * // => true\n *\n * _.isDate('Mon April 23 2012');\n * // => false\n */\n var isDate = nodeIsDate ? baseUnary(nodeIsDate) : baseIsDate;\n\n /**\n * Checks if `value` is likely a DOM element.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is a DOM element, else `false`.\n * @example\n *\n * _.isElement(document.body);\n * // => true\n *\n * _.isElement('');\n * // => false\n */\n function isElement(value) {\n return isObjectLike(value) && value.nodeType === 1 && !isPlainObject(value);\n }\n\n /**\n * Checks if `value` is an empty object, collection, map, or set.\n *\n * Objects are considered empty if they have no own enumerable string keyed\n * properties.\n *\n * Array-like values such as `arguments` objects, arrays, buffers, strings, or\n * jQuery-like collections are considered empty if they have a `length` of `0`.\n * Similarly, maps and sets are considered empty if they have a `size` of `0`.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is empty, else `false`.\n * @example\n *\n * _.isEmpty(null);\n * // => true\n *\n * _.isEmpty(true);\n * // => true\n *\n * _.isEmpty(1);\n * // => true\n *\n * _.isEmpty([1, 2, 3]);\n * // => false\n *\n * _.isEmpty({ 'a': 1 });\n * // => false\n */\n function isEmpty(value) {\n if (value == null) {\n return true;\n }\n if (isArrayLike(value) &&\n (isArray(value) || typeof value == 'string' || typeof value.splice == 'function' ||\n isBuffer(value) || isTypedArray(value) || isArguments(value))) {\n return !value.length;\n }\n var tag = getTag(value);\n if (tag == mapTag || tag == setTag) {\n return !value.size;\n }\n if (isPrototype(value)) {\n return !baseKeys(value).length;\n }\n for (var key in value) {\n if (hasOwnProperty.call(value, key)) {\n return false;\n }\n }\n return true;\n }\n\n /**\n * Performs a deep comparison between two values to determine if they are\n * equivalent.\n *\n * **Note:** This method supports comparing arrays, array buffers, booleans,\n * date objects, error objects, maps, numbers, `Object` objects, regexes,\n * sets, strings, symbols, and typed arrays. `Object` objects are compared\n * by their own, not inherited, enumerable properties. Functions and DOM\n * nodes are compared by strict equality, i.e. `===`.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Lang\n * @param {*} value The value to compare.\n * @param {*} other The other value to compare.\n * @returns {boolean} Returns `true` if the values are equivalent, else `false`.\n * @example\n *\n * var object = { 'a': 1 };\n * var other = { 'a': 1 };\n *\n * _.isEqual(object, other);\n * // => true\n *\n * object === other;\n * // => false\n */\n function isEqual(value, other) {\n return baseIsEqual(value, other);\n }\n\n /**\n * This method is like `_.isEqual` except that it accepts `customizer` which\n * is invoked to compare values. If `customizer` returns `undefined`, comparisons\n * are handled by the method instead. The `customizer` is invoked with up to\n * six arguments: (objValue, othValue [, index|key, object, other, stack]).\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Lang\n * @param {*} value The value to compare.\n * @param {*} other The other value to compare.\n * @param {Function} [customizer] The function to customize comparisons.\n * @returns {boolean} Returns `true` if the values are equivalent, else `false`.\n * @example\n *\n * function isGreeting(value) {\n * return /^h(?:i|ello)$/.test(value);\n * }\n *\n * function customizer(objValue, othValue) {\n * if (isGreeting(objValue) && isGreeting(othValue)) {\n * return true;\n * }\n * }\n *\n * var array = ['hello', 'goodbye'];\n * var other = ['hi', 'goodbye'];\n *\n * _.isEqualWith(array, other, customizer);\n * // => true\n */\n function isEqualWith(value, other, customizer) {\n customizer = typeof customizer == 'function' ? customizer : undefined;\n var result = customizer ? customizer(value, other) : undefined;\n return result === undefined ? baseIsEqual(value, other, undefined, customizer) : !!result;\n }\n\n /**\n * Checks if `value` is an `Error`, `EvalError`, `RangeError`, `ReferenceError`,\n * `SyntaxError`, `TypeError`, or `URIError` object.\n *\n * @static\n * @memberOf _\n * @since 3.0.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is an error object, else `false`.\n * @example\n *\n * _.isError(new Error);\n * // => true\n *\n * _.isError(Error);\n * // => false\n */\n function isError(value) {\n if (!isObjectLike(value)) {\n return false;\n }\n var tag = baseGetTag(value);\n return tag == errorTag || tag == domExcTag ||\n (typeof value.message == 'string' && typeof value.name == 'string' && !isPlainObject(value));\n }\n\n /**\n * Checks if `value` is a finite primitive number.\n *\n * **Note:** This method is based on\n * [`Number.isFinite`](https://mdn.io/Number/isFinite).\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is a finite number, else `false`.\n * @example\n *\n * _.isFinite(3);\n * // => true\n *\n * _.isFinite(Number.MIN_VALUE);\n * // => true\n *\n * _.isFinite(Infinity);\n * // => false\n *\n * _.isFinite('3');\n * // => false\n */\n function isFinite(value) {\n return typeof value == 'number' && nativeIsFinite(value);\n }\n\n /**\n * Checks if `value` is classified as a `Function` object.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is a function, else `false`.\n * @example\n *\n * _.isFunction(_);\n * // => true\n *\n * _.isFunction(/abc/);\n * // => false\n */\n function isFunction(value) {\n if (!isObject(value)) {\n return false;\n }\n // The use of `Object#toString` avoids issues with the `typeof` operator\n // in Safari 9 which returns 'object' for typed arrays and other constructors.\n var tag = baseGetTag(value);\n return tag == funcTag || tag == genTag || tag == asyncTag || tag == proxyTag;\n }\n\n /**\n * Checks if `value` is an integer.\n *\n * **Note:** This method is based on\n * [`Number.isInteger`](https://mdn.io/Number/isInteger).\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is an integer, else `false`.\n * @example\n *\n * _.isInteger(3);\n * // => true\n *\n * _.isInteger(Number.MIN_VALUE);\n * // => false\n *\n * _.isInteger(Infinity);\n * // => false\n *\n * _.isInteger('3');\n * // => false\n */\n function isInteger(value) {\n return typeof value == 'number' && value == toInteger(value);\n }\n\n /**\n * Checks if `value` is a valid array-like length.\n *\n * **Note:** This method is loosely based on\n * [`ToLength`](http://ecma-international.org/ecma-262/7.0/#sec-tolength).\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is a valid length, else `false`.\n * @example\n *\n * _.isLength(3);\n * // => true\n *\n * _.isLength(Number.MIN_VALUE);\n * // => false\n *\n * _.isLength(Infinity);\n * // => false\n *\n * _.isLength('3');\n * // => false\n */\n function isLength(value) {\n return typeof value == 'number' &&\n value > -1 && value % 1 == 0 && value <= MAX_SAFE_INTEGER;\n }\n\n /**\n * Checks if `value` is the\n * [language type](http://www.ecma-international.org/ecma-262/7.0/#sec-ecmascript-language-types)\n * of `Object`. (e.g. arrays, functions, objects, regexes, `new Number(0)`, and `new String('')`)\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is an object, else `false`.\n * @example\n *\n * _.isObject({});\n * // => true\n *\n * _.isObject([1, 2, 3]);\n * // => true\n *\n * _.isObject(_.noop);\n * // => true\n *\n * _.isObject(null);\n * // => false\n */\n function isObject(value) {\n var type = typeof value;\n return value != null && (type == 'object' || type == 'function');\n }\n\n /**\n * Checks if `value` is object-like. A value is object-like if it's not `null`\n * and has a `typeof` result of \"object\".\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is object-like, else `false`.\n * @example\n *\n * _.isObjectLike({});\n * // => true\n *\n * _.isObjectLike([1, 2, 3]);\n * // => true\n *\n * _.isObjectLike(_.noop);\n * // => false\n *\n * _.isObjectLike(null);\n * // => false\n */\n function isObjectLike(value) {\n return value != null && typeof value == 'object';\n }\n\n /**\n * Checks if `value` is classified as a `Map` object.\n *\n * @static\n * @memberOf _\n * @since 4.3.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is a map, else `false`.\n * @example\n *\n * _.isMap(new Map);\n * // => true\n *\n * _.isMap(new WeakMap);\n * // => false\n */\n var isMap = nodeIsMap ? baseUnary(nodeIsMap) : baseIsMap;\n\n /**\n * Performs a partial deep comparison between `object` and `source` to\n * determine if `object` contains equivalent property values.\n *\n * **Note:** This method is equivalent to `_.matches` when `source` is\n * partially applied.\n *\n * Partial comparisons will match empty array and empty object `source`\n * values against any array or object value, respectively. See `_.isEqual`\n * for a list of supported value comparisons.\n *\n * @static\n * @memberOf _\n * @since 3.0.0\n * @category Lang\n * @param {Object} object The object to inspect.\n * @param {Object} source The object of property values to match.\n * @returns {boolean} Returns `true` if `object` is a match, else `false`.\n * @example\n *\n * var object = { 'a': 1, 'b': 2 };\n *\n * _.isMatch(object, { 'b': 2 });\n * // => true\n *\n * _.isMatch(object, { 'b': 1 });\n * // => false\n */\n function isMatch(object, source) {\n return object === source || baseIsMatch(object, source, getMatchData(source));\n }\n\n /**\n * This method is like `_.isMatch` except that it accepts `customizer` which\n * is invoked to compare values. If `customizer` returns `undefined`, comparisons\n * are handled by the method instead. The `customizer` is invoked with five\n * arguments: (objValue, srcValue, index|key, object, source).\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Lang\n * @param {Object} object The object to inspect.\n * @param {Object} source The object of property values to match.\n * @param {Function} [customizer] The function to customize comparisons.\n * @returns {boolean} Returns `true` if `object` is a match, else `false`.\n * @example\n *\n * function isGreeting(value) {\n * return /^h(?:i|ello)$/.test(value);\n * }\n *\n * function customizer(objValue, srcValue) {\n * if (isGreeting(objValue) && isGreeting(srcValue)) {\n * return true;\n * }\n * }\n *\n * var object = { 'greeting': 'hello' };\n * var source = { 'greeting': 'hi' };\n *\n * _.isMatchWith(object, source, customizer);\n * // => true\n */\n function isMatchWith(object, source, customizer) {\n customizer = typeof customizer == 'function' ? customizer : undefined;\n return baseIsMatch(object, source, getMatchData(source), customizer);\n }\n\n /**\n * Checks if `value` is `NaN`.\n *\n * **Note:** This method is based on\n * [`Number.isNaN`](https://mdn.io/Number/isNaN) and is not the same as\n * global [`isNaN`](https://mdn.io/isNaN) which returns `true` for\n * `undefined` and other non-number values.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is `NaN`, else `false`.\n * @example\n *\n * _.isNaN(NaN);\n * // => true\n *\n * _.isNaN(new Number(NaN));\n * // => true\n *\n * isNaN(undefined);\n * // => true\n *\n * _.isNaN(undefined);\n * // => false\n */\n function isNaN(value) {\n // An `NaN` primitive is the only value that is not equal to itself.\n // Perform the `toStringTag` check first to avoid errors with some\n // ActiveX objects in IE.\n return isNumber(value) && value != +value;\n }\n\n /**\n * Checks if `value` is a pristine native function.\n *\n * **Note:** This method can't reliably detect native functions in the presence\n * of the core-js package because core-js circumvents this kind of detection.\n * Despite multiple requests, the core-js maintainer has made it clear: any\n * attempt to fix the detection will be obstructed. As a result, we're left\n * with little choice but to throw an error. Unfortunately, this also affects\n * packages, like [babel-polyfill](https://www.npmjs.com/package/babel-polyfill),\n * which rely on core-js.\n *\n * @static\n * @memberOf _\n * @since 3.0.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is a native function,\n * else `false`.\n * @example\n *\n * _.isNative(Array.prototype.push);\n * // => true\n *\n * _.isNative(_);\n * // => false\n */\n function isNative(value) {\n if (isMaskable(value)) {\n throw new Error(CORE_ERROR_TEXT);\n }\n return baseIsNative(value);\n }\n\n /**\n * Checks if `value` is `null`.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is `null`, else `false`.\n * @example\n *\n * _.isNull(null);\n * // => true\n *\n * _.isNull(void 0);\n * // => false\n */\n function isNull(value) {\n return value === null;\n }\n\n /**\n * Checks if `value` is `null` or `undefined`.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is nullish, else `false`.\n * @example\n *\n * _.isNil(null);\n * // => true\n *\n * _.isNil(void 0);\n * // => true\n *\n * _.isNil(NaN);\n * // => false\n */\n function isNil(value) {\n return value == null;\n }\n\n /**\n * Checks if `value` is classified as a `Number` primitive or object.\n *\n * **Note:** To exclude `Infinity`, `-Infinity`, and `NaN`, which are\n * classified as numbers, use the `_.isFinite` method.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is a number, else `false`.\n * @example\n *\n * _.isNumber(3);\n * // => true\n *\n * _.isNumber(Number.MIN_VALUE);\n * // => true\n *\n * _.isNumber(Infinity);\n * // => true\n *\n * _.isNumber('3');\n * // => false\n */\n function isNumber(value) {\n return typeof value == 'number' ||\n (isObjectLike(value) && baseGetTag(value) == numberTag);\n }\n\n /**\n * Checks if `value` is a plain object, that is, an object created by the\n * `Object` constructor or one with a `[[Prototype]]` of `null`.\n *\n * @static\n * @memberOf _\n * @since 0.8.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is a plain object, else `false`.\n * @example\n *\n * function Foo() {\n * this.a = 1;\n * }\n *\n * _.isPlainObject(new Foo);\n * // => false\n *\n * _.isPlainObject([1, 2, 3]);\n * // => false\n *\n * _.isPlainObject({ 'x': 0, 'y': 0 });\n * // => true\n *\n * _.isPlainObject(Object.create(null));\n * // => true\n */\n function isPlainObject(value) {\n if (!isObjectLike(value) || baseGetTag(value) != objectTag) {\n return false;\n }\n var proto = getPrototype(value);\n if (proto === null) {\n return true;\n }\n var Ctor = hasOwnProperty.call(proto, 'constructor') && proto.constructor;\n return typeof Ctor == 'function' && Ctor instanceof Ctor &&\n funcToString.call(Ctor) == objectCtorString;\n }\n\n /**\n * Checks if `value` is classified as a `RegExp` object.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is a regexp, else `false`.\n * @example\n *\n * _.isRegExp(/abc/);\n * // => true\n *\n * _.isRegExp('/abc/');\n * // => false\n */\n var isRegExp = nodeIsRegExp ? baseUnary(nodeIsRegExp) : baseIsRegExp;\n\n /**\n * Checks if `value` is a safe integer. An integer is safe if it's an IEEE-754\n * double precision number which isn't the result of a rounded unsafe integer.\n *\n * **Note:** This method is based on\n * [`Number.isSafeInteger`](https://mdn.io/Number/isSafeInteger).\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is a safe integer, else `false`.\n * @example\n *\n * _.isSafeInteger(3);\n * // => true\n *\n * _.isSafeInteger(Number.MIN_VALUE);\n * // => false\n *\n * _.isSafeInteger(Infinity);\n * // => false\n *\n * _.isSafeInteger('3');\n * // => false\n */\n function isSafeInteger(value) {\n return isInteger(value) && value >= -MAX_SAFE_INTEGER && value <= MAX_SAFE_INTEGER;\n }\n\n /**\n * Checks if `value` is classified as a `Set` object.\n *\n * @static\n * @memberOf _\n * @since 4.3.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is a set, else `false`.\n * @example\n *\n * _.isSet(new Set);\n * // => true\n *\n * _.isSet(new WeakSet);\n * // => false\n */\n var isSet = nodeIsSet ? baseUnary(nodeIsSet) : baseIsSet;\n\n /**\n * Checks if `value` is classified as a `String` primitive or object.\n *\n * @static\n * @since 0.1.0\n * @memberOf _\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is a string, else `false`.\n * @example\n *\n * _.isString('abc');\n * // => true\n *\n * _.isString(1);\n * // => false\n */\n function isString(value) {\n return typeof value == 'string' ||\n (!isArray(value) && isObjectLike(value) && baseGetTag(value) == stringTag);\n }\n\n /**\n * Checks if `value` is classified as a `Symbol` primitive or object.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is a symbol, else `false`.\n * @example\n *\n * _.isSymbol(Symbol.iterator);\n * // => true\n *\n * _.isSymbol('abc');\n * // => false\n */\n function isSymbol(value) {\n return typeof value == 'symbol' ||\n (isObjectLike(value) && baseGetTag(value) == symbolTag);\n }\n\n /**\n * Checks if `value` is classified as a typed array.\n *\n * @static\n * @memberOf _\n * @since 3.0.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is a typed array, else `false`.\n * @example\n *\n * _.isTypedArray(new Uint8Array);\n * // => true\n *\n * _.isTypedArray([]);\n * // => false\n */\n var isTypedArray = nodeIsTypedArray ? baseUnary(nodeIsTypedArray) : baseIsTypedArray;\n\n /**\n * Checks if `value` is `undefined`.\n *\n * @static\n * @since 0.1.0\n * @memberOf _\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is `undefined`, else `false`.\n * @example\n *\n * _.isUndefined(void 0);\n * // => true\n *\n * _.isUndefined(null);\n * // => false\n */\n function isUndefined(value) {\n return value === undefined;\n }\n\n /**\n * Checks if `value` is classified as a `WeakMap` object.\n *\n * @static\n * @memberOf _\n * @since 4.3.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is a weak map, else `false`.\n * @example\n *\n * _.isWeakMap(new WeakMap);\n * // => true\n *\n * _.isWeakMap(new Map);\n * // => false\n */\n function isWeakMap(value) {\n return isObjectLike(value) && getTag(value) == weakMapTag;\n }\n\n /**\n * Checks if `value` is classified as a `WeakSet` object.\n *\n * @static\n * @memberOf _\n * @since 4.3.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is a weak set, else `false`.\n * @example\n *\n * _.isWeakSet(new WeakSet);\n * // => true\n *\n * _.isWeakSet(new Set);\n * // => false\n */\n function isWeakSet(value) {\n return isObjectLike(value) && baseGetTag(value) == weakSetTag;\n }\n\n /**\n * Checks if `value` is less than `other`.\n *\n * @static\n * @memberOf _\n * @since 3.9.0\n * @category Lang\n * @param {*} value The value to compare.\n * @param {*} other The other value to compare.\n * @returns {boolean} Returns `true` if `value` is less than `other`,\n * else `false`.\n * @see _.gt\n * @example\n *\n * _.lt(1, 3);\n * // => true\n *\n * _.lt(3, 3);\n * // => false\n *\n * _.lt(3, 1);\n * // => false\n */\n var lt = createRelationalOperation(baseLt);\n\n /**\n * Checks if `value` is less than or equal to `other`.\n *\n * @static\n * @memberOf _\n * @since 3.9.0\n * @category Lang\n * @param {*} value The value to compare.\n * @param {*} other The other value to compare.\n * @returns {boolean} Returns `true` if `value` is less than or equal to\n * `other`, else `false`.\n * @see _.gte\n * @example\n *\n * _.lte(1, 3);\n * // => true\n *\n * _.lte(3, 3);\n * // => true\n *\n * _.lte(3, 1);\n * // => false\n */\n var lte = createRelationalOperation(function(value, other) {\n return value <= other;\n });\n\n /**\n * Converts `value` to an array.\n *\n * @static\n * @since 0.1.0\n * @memberOf _\n * @category Lang\n * @param {*} value The value to convert.\n * @returns {Array} Returns the converted array.\n * @example\n *\n * _.toArray({ 'a': 1, 'b': 2 });\n * // => [1, 2]\n *\n * _.toArray('abc');\n * // => ['a', 'b', 'c']\n *\n * _.toArray(1);\n * // => []\n *\n * _.toArray(null);\n * // => []\n */\n function toArray(value) {\n if (!value) {\n return [];\n }\n if (isArrayLike(value)) {\n return isString(value) ? stringToArray(value) : copyArray(value);\n }\n if (symIterator && value[symIterator]) {\n return iteratorToArray(value[symIterator]());\n }\n var tag = getTag(value),\n func = tag == mapTag ? mapToArray : (tag == setTag ? setToArray : values);\n\n return func(value);\n }\n\n /**\n * Converts `value` to a finite number.\n *\n * @static\n * @memberOf _\n * @since 4.12.0\n * @category Lang\n * @param {*} value The value to convert.\n * @returns {number} Returns the converted number.\n * @example\n *\n * _.toFinite(3.2);\n * // => 3.2\n *\n * _.toFinite(Number.MIN_VALUE);\n * // => 5e-324\n *\n * _.toFinite(Infinity);\n * // => 1.7976931348623157e+308\n *\n * _.toFinite('3.2');\n * // => 3.2\n */\n function toFinite(value) {\n if (!value) {\n return value === 0 ? value : 0;\n }\n value = toNumber(value);\n if (value === INFINITY || value === -INFINITY) {\n var sign = (value < 0 ? -1 : 1);\n return sign * MAX_INTEGER;\n }\n return value === value ? value : 0;\n }\n\n /**\n * Converts `value` to an integer.\n *\n * **Note:** This method is loosely based on\n * [`ToInteger`](http://www.ecma-international.org/ecma-262/7.0/#sec-tointeger).\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Lang\n * @param {*} value The value to convert.\n * @returns {number} Returns the converted integer.\n * @example\n *\n * _.toInteger(3.2);\n * // => 3\n *\n * _.toInteger(Number.MIN_VALUE);\n * // => 0\n *\n * _.toInteger(Infinity);\n * // => 1.7976931348623157e+308\n *\n * _.toInteger('3.2');\n * // => 3\n */\n function toInteger(value) {\n var result = toFinite(value),\n remainder = result % 1;\n\n return result === result ? (remainder ? result - remainder : result) : 0;\n }\n\n /**\n * Converts `value` to an integer suitable for use as the length of an\n * array-like object.\n *\n * **Note:** This method is based on\n * [`ToLength`](http://ecma-international.org/ecma-262/7.0/#sec-tolength).\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Lang\n * @param {*} value The value to convert.\n * @returns {number} Returns the converted integer.\n * @example\n *\n * _.toLength(3.2);\n * // => 3\n *\n * _.toLength(Number.MIN_VALUE);\n * // => 0\n *\n * _.toLength(Infinity);\n * // => 4294967295\n *\n * _.toLength('3.2');\n * // => 3\n */\n function toLength(value) {\n return value ? baseClamp(toInteger(value), 0, MAX_ARRAY_LENGTH) : 0;\n }\n\n /**\n * Converts `value` to a number.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Lang\n * @param {*} value The value to process.\n * @returns {number} Returns the number.\n * @example\n *\n * _.toNumber(3.2);\n * // => 3.2\n *\n * _.toNumber(Number.MIN_VALUE);\n * // => 5e-324\n *\n * _.toNumber(Infinity);\n * // => Infinity\n *\n * _.toNumber('3.2');\n * // => 3.2\n */\n function toNumber(value) {\n if (typeof value == 'number') {\n return value;\n }\n if (isSymbol(value)) {\n return NAN;\n }\n if (isObject(value)) {\n var other = typeof value.valueOf == 'function' ? value.valueOf() : value;\n value = isObject(other) ? (other + '') : other;\n }\n if (typeof value != 'string') {\n return value === 0 ? value : +value;\n }\n value = value.replace(reTrim, '');\n var isBinary = reIsBinary.test(value);\n return (isBinary || reIsOctal.test(value))\n ? freeParseInt(value.slice(2), isBinary ? 2 : 8)\n : (reIsBadHex.test(value) ? NAN : +value);\n }\n\n /**\n * Converts `value` to a plain object flattening inherited enumerable string\n * keyed properties of `value` to own properties of the plain object.\n *\n * @static\n * @memberOf _\n * @since 3.0.0\n * @category Lang\n * @param {*} value The value to convert.\n * @returns {Object} Returns the converted plain object.\n * @example\n *\n * function Foo() {\n * this.b = 2;\n * }\n *\n * Foo.prototype.c = 3;\n *\n * _.assign({ 'a': 1 }, new Foo);\n * // => { 'a': 1, 'b': 2 }\n *\n * _.assign({ 'a': 1 }, _.toPlainObject(new Foo));\n * // => { 'a': 1, 'b': 2, 'c': 3 }\n */\n function toPlainObject(value) {\n return copyObject(value, keysIn(value));\n }\n\n /**\n * Converts `value` to a safe integer. A safe integer can be compared and\n * represented correctly.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Lang\n * @param {*} value The value to convert.\n * @returns {number} Returns the converted integer.\n * @example\n *\n * _.toSafeInteger(3.2);\n * // => 3\n *\n * _.toSafeInteger(Number.MIN_VALUE);\n * // => 0\n *\n * _.toSafeInteger(Infinity);\n * // => 9007199254740991\n *\n * _.toSafeInteger('3.2');\n * // => 3\n */\n function toSafeInteger(value) {\n return value\n ? baseClamp(toInteger(value), -MAX_SAFE_INTEGER, MAX_SAFE_INTEGER)\n : (value === 0 ? value : 0);\n }\n\n /**\n * Converts `value` to a string. An empty string is returned for `null`\n * and `undefined` values. The sign of `-0` is preserved.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Lang\n * @param {*} value The value to convert.\n * @returns {string} Returns the converted string.\n * @example\n *\n * _.toString(null);\n * // => ''\n *\n * _.toString(-0);\n * // => '-0'\n *\n * _.toString([1, 2, 3]);\n * // => '1,2,3'\n */\n function toString(value) {\n return value == null ? '' : baseToString(value);\n }\n\n /*------------------------------------------------------------------------*/\n\n /**\n * Assigns own enumerable string keyed properties of source objects to the\n * destination object. Source objects are applied from left to right.\n * Subsequent sources overwrite property assignments of previous sources.\n *\n * **Note:** This method mutates `object` and is loosely based on\n * [`Object.assign`](https://mdn.io/Object/assign).\n *\n * @static\n * @memberOf _\n * @since 0.10.0\n * @category Object\n * @param {Object} object The destination object.\n * @param {...Object} [sources] The source objects.\n * @returns {Object} Returns `object`.\n * @see _.assignIn\n * @example\n *\n * function Foo() {\n * this.a = 1;\n * }\n *\n * function Bar() {\n * this.c = 3;\n * }\n *\n * Foo.prototype.b = 2;\n * Bar.prototype.d = 4;\n *\n * _.assign({ 'a': 0 }, new Foo, new Bar);\n * // => { 'a': 1, 'c': 3 }\n */\n var assign = createAssigner(function(object, source) {\n if (isPrototype(source) || isArrayLike(source)) {\n copyObject(source, keys(source), object);\n return;\n }\n for (var key in source) {\n if (hasOwnProperty.call(source, key)) {\n assignValue(object, key, source[key]);\n }\n }\n });\n\n /**\n * This method is like `_.assign` except that it iterates over own and\n * inherited source properties.\n *\n * **Note:** This method mutates `object`.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @alias extend\n * @category Object\n * @param {Object} object The destination object.\n * @param {...Object} [sources] The source objects.\n * @returns {Object} Returns `object`.\n * @see _.assign\n * @example\n *\n * function Foo() {\n * this.a = 1;\n * }\n *\n * function Bar() {\n * this.c = 3;\n * }\n *\n * Foo.prototype.b = 2;\n * Bar.prototype.d = 4;\n *\n * _.assignIn({ 'a': 0 }, new Foo, new Bar);\n * // => { 'a': 1, 'b': 2, 'c': 3, 'd': 4 }\n */\n var assignIn = createAssigner(function(object, source) {\n copyObject(source, keysIn(source), object);\n });\n\n /**\n * This method is like `_.assignIn` except that it accepts `customizer`\n * which is invoked to produce the assigned values. If `customizer` returns\n * `undefined`, assignment is handled by the method instead. The `customizer`\n * is invoked with five arguments: (objValue, srcValue, key, object, source).\n *\n * **Note:** This method mutates `object`.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @alias extendWith\n * @category Object\n * @param {Object} object The destination object.\n * @param {...Object} sources The source objects.\n * @param {Function} [customizer] The function to customize assigned values.\n * @returns {Object} Returns `object`.\n * @see _.assignWith\n * @example\n *\n * function customizer(objValue, srcValue) {\n * return _.isUndefined(objValue) ? srcValue : objValue;\n * }\n *\n * var defaults = _.partialRight(_.assignInWith, customizer);\n *\n * defaults({ 'a': 1 }, { 'b': 2 }, { 'a': 3 });\n * // => { 'a': 1, 'b': 2 }\n */\n var assignInWith = createAssigner(function(object, source, srcIndex, customizer) {\n copyObject(source, keysIn(source), object, customizer);\n });\n\n /**\n * This method is like `_.assign` except that it accepts `customizer`\n * which is invoked to produce the assigned values. If `customizer` returns\n * `undefined`, assignment is handled by the method instead. The `customizer`\n * is invoked with five arguments: (objValue, srcValue, key, object, source).\n *\n * **Note:** This method mutates `object`.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Object\n * @param {Object} object The destination object.\n * @param {...Object} sources The source objects.\n * @param {Function} [customizer] The function to customize assigned values.\n * @returns {Object} Returns `object`.\n * @see _.assignInWith\n * @example\n *\n * function customizer(objValue, srcValue) {\n * return _.isUndefined(objValue) ? srcValue : objValue;\n * }\n *\n * var defaults = _.partialRight(_.assignWith, customizer);\n *\n * defaults({ 'a': 1 }, { 'b': 2 }, { 'a': 3 });\n * // => { 'a': 1, 'b': 2 }\n */\n var assignWith = createAssigner(function(object, source, srcIndex, customizer) {\n copyObject(source, keys(source), object, customizer);\n });\n\n /**\n * Creates an array of values corresponding to `paths` of `object`.\n *\n * @static\n * @memberOf _\n * @since 1.0.0\n * @category Object\n * @param {Object} object The object to iterate over.\n * @param {...(string|string[])} [paths] The property paths to pick.\n * @returns {Array} Returns the picked values.\n * @example\n *\n * var object = { 'a': [{ 'b': { 'c': 3 } }, 4] };\n *\n * _.at(object, ['a[0].b.c', 'a[1]']);\n * // => [3, 4]\n */\n var at = flatRest(baseAt);\n\n /**\n * Creates an object that inherits from the `prototype` object. If a\n * `properties` object is given, its own enumerable string keyed properties\n * are assigned to the created object.\n *\n * @static\n * @memberOf _\n * @since 2.3.0\n * @category Object\n * @param {Object} prototype The object to inherit from.\n * @param {Object} [properties] The properties to assign to the object.\n * @returns {Object} Returns the new object.\n * @example\n *\n * function Shape() {\n * this.x = 0;\n * this.y = 0;\n * }\n *\n * function Circle() {\n * Shape.call(this);\n * }\n *\n * Circle.prototype = _.create(Shape.prototype, {\n * 'constructor': Circle\n * });\n *\n * var circle = new Circle;\n * circle instanceof Circle;\n * // => true\n *\n * circle instanceof Shape;\n * // => true\n */\n function create(prototype, properties) {\n var result = baseCreate(prototype);\n return properties == null ? result : baseAssign(result, properties);\n }\n\n /**\n * Assigns own and inherited enumerable string keyed properties of source\n * objects to the destination object for all destination properties that\n * resolve to `undefined`. Source objects are applied from left to right.\n * Once a property is set, additional values of the same property are ignored.\n *\n * **Note:** This method mutates `object`.\n *\n * @static\n * @since 0.1.0\n * @memberOf _\n * @category Object\n * @param {Object} object The destination object.\n * @param {...Object} [sources] The source objects.\n * @returns {Object} Returns `object`.\n * @see _.defaultsDeep\n * @example\n *\n * _.defaults({ 'a': 1 }, { 'b': 2 }, { 'a': 3 });\n * // => { 'a': 1, 'b': 2 }\n */\n var defaults = baseRest(function(object, sources) {\n object = Object(object);\n\n var index = -1;\n var length = sources.length;\n var guard = length > 2 ? sources[2] : undefined;\n\n if (guard && isIterateeCall(sources[0], sources[1], guard)) {\n length = 1;\n }\n\n while (++index < length) {\n var source = sources[index];\n var props = keysIn(source);\n var propsIndex = -1;\n var propsLength = props.length;\n\n while (++propsIndex < propsLength) {\n var key = props[propsIndex];\n var value = object[key];\n\n if (value === undefined ||\n (eq(value, objectProto[key]) && !hasOwnProperty.call(object, key))) {\n object[key] = source[key];\n }\n }\n }\n\n return object;\n });\n\n /**\n * This method is like `_.defaults` except that it recursively assigns\n * default properties.\n *\n * **Note:** This method mutates `object`.\n *\n * @static\n * @memberOf _\n * @since 3.10.0\n * @category Object\n * @param {Object} object The destination object.\n * @param {...Object} [sources] The source objects.\n * @returns {Object} Returns `object`.\n * @see _.defaults\n * @example\n *\n * _.defaultsDeep({ 'a': { 'b': 2 } }, { 'a': { 'b': 1, 'c': 3 } });\n * // => { 'a': { 'b': 2, 'c': 3 } }\n */\n var defaultsDeep = baseRest(function(args) {\n args.push(undefined, customDefaultsMerge);\n return apply(mergeWith, undefined, args);\n });\n\n /**\n * This method is like `_.find` except that it returns the key of the first\n * element `predicate` returns truthy for instead of the element itself.\n *\n * @static\n * @memberOf _\n * @since 1.1.0\n * @category Object\n * @param {Object} object The object to inspect.\n * @param {Function} [predicate=_.identity] The function invoked per iteration.\n * @returns {string|undefined} Returns the key of the matched element,\n * else `undefined`.\n * @example\n *\n * var users = {\n * 'barney': { 'age': 36, 'active': true },\n * 'fred': { 'age': 40, 'active': false },\n * 'pebbles': { 'age': 1, 'active': true }\n * };\n *\n * _.findKey(users, function(o) { return o.age < 40; });\n * // => 'barney' (iteration order is not guaranteed)\n *\n * // The `_.matches` iteratee shorthand.\n * _.findKey(users, { 'age': 1, 'active': true });\n * // => 'pebbles'\n *\n * // The `_.matchesProperty` iteratee shorthand.\n * _.findKey(users, ['active', false]);\n * // => 'fred'\n *\n * // The `_.property` iteratee shorthand.\n * _.findKey(users, 'active');\n * // => 'barney'\n */\n function findKey(object, predicate) {\n return baseFindKey(object, getIteratee(predicate, 3), baseForOwn);\n }\n\n /**\n * This method is like `_.findKey` except that it iterates over elements of\n * a collection in the opposite order.\n *\n * @static\n * @memberOf _\n * @since 2.0.0\n * @category Object\n * @param {Object} object The object to inspect.\n * @param {Function} [predicate=_.identity] The function invoked per iteration.\n * @returns {string|undefined} Returns the key of the matched element,\n * else `undefined`.\n * @example\n *\n * var users = {\n * 'barney': { 'age': 36, 'active': true },\n * 'fred': { 'age': 40, 'active': false },\n * 'pebbles': { 'age': 1, 'active': true }\n * };\n *\n * _.findLastKey(users, function(o) { return o.age < 40; });\n * // => returns 'pebbles' assuming `_.findKey` returns 'barney'\n *\n * // The `_.matches` iteratee shorthand.\n * _.findLastKey(users, { 'age': 36, 'active': true });\n * // => 'barney'\n *\n * // The `_.matchesProperty` iteratee shorthand.\n * _.findLastKey(users, ['active', false]);\n * // => 'fred'\n *\n * // The `_.property` iteratee shorthand.\n * _.findLastKey(users, 'active');\n * // => 'pebbles'\n */\n function findLastKey(object, predicate) {\n return baseFindKey(object, getIteratee(predicate, 3), baseForOwnRight);\n }\n\n /**\n * Iterates over own and inherited enumerable string keyed properties of an\n * object and invokes `iteratee` for each property. The iteratee is invoked\n * with three arguments: (value, key, object). Iteratee functions may exit\n * iteration early by explicitly returning `false`.\n *\n * @static\n * @memberOf _\n * @since 0.3.0\n * @category Object\n * @param {Object} object The object to iterate over.\n * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n * @returns {Object} Returns `object`.\n * @see _.forInRight\n * @example\n *\n * function Foo() {\n * this.a = 1;\n * this.b = 2;\n * }\n *\n * Foo.prototype.c = 3;\n *\n * _.forIn(new Foo, function(value, key) {\n * console.log(key);\n * });\n * // => Logs 'a', 'b', then 'c' (iteration order is not guaranteed).\n */\n function forIn(object, iteratee) {\n return object == null\n ? object\n : baseFor(object, getIteratee(iteratee, 3), keysIn);\n }\n\n /**\n * This method is like `_.forIn` except that it iterates over properties of\n * `object` in the opposite order.\n *\n * @static\n * @memberOf _\n * @since 2.0.0\n * @category Object\n * @param {Object} object The object to iterate over.\n * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n * @returns {Object} Returns `object`.\n * @see _.forIn\n * @example\n *\n * function Foo() {\n * this.a = 1;\n * this.b = 2;\n * }\n *\n * Foo.prototype.c = 3;\n *\n * _.forInRight(new Foo, function(value, key) {\n * console.log(key);\n * });\n * // => Logs 'c', 'b', then 'a' assuming `_.forIn` logs 'a', 'b', then 'c'.\n */\n function forInRight(object, iteratee) {\n return object == null\n ? object\n : baseForRight(object, getIteratee(iteratee, 3), keysIn);\n }\n\n /**\n * Iterates over own enumerable string keyed properties of an object and\n * invokes `iteratee` for each property. The iteratee is invoked with three\n * arguments: (value, key, object). Iteratee functions may exit iteration\n * early by explicitly returning `false`.\n *\n * @static\n * @memberOf _\n * @since 0.3.0\n * @category Object\n * @param {Object} object The object to iterate over.\n * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n * @returns {Object} Returns `object`.\n * @see _.forOwnRight\n * @example\n *\n * function Foo() {\n * this.a = 1;\n * this.b = 2;\n * }\n *\n * Foo.prototype.c = 3;\n *\n * _.forOwn(new Foo, function(value, key) {\n * console.log(key);\n * });\n * // => Logs 'a' then 'b' (iteration order is not guaranteed).\n */\n function forOwn(object, iteratee) {\n return object && baseForOwn(object, getIteratee(iteratee, 3));\n }\n\n /**\n * This method is like `_.forOwn` except that it iterates over properties of\n * `object` in the opposite order.\n *\n * @static\n * @memberOf _\n * @since 2.0.0\n * @category Object\n * @param {Object} object The object to iterate over.\n * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n * @returns {Object} Returns `object`.\n * @see _.forOwn\n * @example\n *\n * function Foo() {\n * this.a = 1;\n * this.b = 2;\n * }\n *\n * Foo.prototype.c = 3;\n *\n * _.forOwnRight(new Foo, function(value, key) {\n * console.log(key);\n * });\n * // => Logs 'b' then 'a' assuming `_.forOwn` logs 'a' then 'b'.\n */\n function forOwnRight(object, iteratee) {\n return object && baseForOwnRight(object, getIteratee(iteratee, 3));\n }\n\n /**\n * Creates an array of function property names from own enumerable properties\n * of `object`.\n *\n * @static\n * @since 0.1.0\n * @memberOf _\n * @category Object\n * @param {Object} object The object to inspect.\n * @returns {Array} Returns the function names.\n * @see _.functionsIn\n * @example\n *\n * function Foo() {\n * this.a = _.constant('a');\n * this.b = _.constant('b');\n * }\n *\n * Foo.prototype.c = _.constant('c');\n *\n * _.functions(new Foo);\n * // => ['a', 'b']\n */\n function functions(object) {\n return object == null ? [] : baseFunctions(object, keys(object));\n }\n\n /**\n * Creates an array of function property names from own and inherited\n * enumerable properties of `object`.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Object\n * @param {Object} object The object to inspect.\n * @returns {Array} Returns the function names.\n * @see _.functions\n * @example\n *\n * function Foo() {\n * this.a = _.constant('a');\n * this.b = _.constant('b');\n * }\n *\n * Foo.prototype.c = _.constant('c');\n *\n * _.functionsIn(new Foo);\n * // => ['a', 'b', 'c']\n */\n function functionsIn(object) {\n return object == null ? [] : baseFunctions(object, keysIn(object));\n }\n\n /**\n * Gets the value at `path` of `object`. If the resolved value is\n * `undefined`, the `defaultValue` is returned in its place.\n *\n * @static\n * @memberOf _\n * @since 3.7.0\n * @category Object\n * @param {Object} object The object to query.\n * @param {Array|string} path The path of the property to get.\n * @param {*} [defaultValue] The value returned for `undefined` resolved values.\n * @returns {*} Returns the resolved value.\n * @example\n *\n * var object = { 'a': [{ 'b': { 'c': 3 } }] };\n *\n * _.get(object, 'a[0].b.c');\n * // => 3\n *\n * _.get(object, ['a', '0', 'b', 'c']);\n * // => 3\n *\n * _.get(object, 'a.b.c', 'default');\n * // => 'default'\n */\n function get(object, path, defaultValue) {\n var result = object == null ? undefined : baseGet(object, path);\n return result === undefined ? defaultValue : result;\n }\n\n /**\n * Checks if `path` is a direct property of `object`.\n *\n * @static\n * @since 0.1.0\n * @memberOf _\n * @category Object\n * @param {Object} object The object to query.\n * @param {Array|string} path The path to check.\n * @returns {boolean} Returns `true` if `path` exists, else `false`.\n * @example\n *\n * var object = { 'a': { 'b': 2 } };\n * var other = _.create({ 'a': _.create({ 'b': 2 }) });\n *\n * _.has(object, 'a');\n * // => true\n *\n * _.has(object, 'a.b');\n * // => true\n *\n * _.has(object, ['a', 'b']);\n * // => true\n *\n * _.has(other, 'a');\n * // => false\n */\n function has(object, path) {\n return object != null && hasPath(object, path, baseHas);\n }\n\n /**\n * Checks if `path` is a direct or inherited property of `object`.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Object\n * @param {Object} object The object to query.\n * @param {Array|string} path The path to check.\n * @returns {boolean} Returns `true` if `path` exists, else `false`.\n * @example\n *\n * var object = _.create({ 'a': _.create({ 'b': 2 }) });\n *\n * _.hasIn(object, 'a');\n * // => true\n *\n * _.hasIn(object, 'a.b');\n * // => true\n *\n * _.hasIn(object, ['a', 'b']);\n * // => true\n *\n * _.hasIn(object, 'b');\n * // => false\n */\n function hasIn(object, path) {\n return object != null && hasPath(object, path, baseHasIn);\n }\n\n /**\n * Creates an object composed of the inverted keys and values of `object`.\n * If `object` contains duplicate values, subsequent values overwrite\n * property assignments of previous values.\n *\n * @static\n * @memberOf _\n * @since 0.7.0\n * @category Object\n * @param {Object} object The object to invert.\n * @returns {Object} Returns the new inverted object.\n * @example\n *\n * var object = { 'a': 1, 'b': 2, 'c': 1 };\n *\n * _.invert(object);\n * // => { '1': 'c', '2': 'b' }\n */\n var invert = createInverter(function(result, value, key) {\n if (value != null &&\n typeof value.toString != 'function') {\n value = nativeObjectToString.call(value);\n }\n\n result[value] = key;\n }, constant(identity));\n\n /**\n * This method is like `_.invert` except that the inverted object is generated\n * from the results of running each element of `object` thru `iteratee`. The\n * corresponding inverted value of each inverted key is an array of keys\n * responsible for generating the inverted value. The iteratee is invoked\n * with one argument: (value).\n *\n * @static\n * @memberOf _\n * @since 4.1.0\n * @category Object\n * @param {Object} object The object to invert.\n * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n * @returns {Object} Returns the new inverted object.\n * @example\n *\n * var object = { 'a': 1, 'b': 2, 'c': 1 };\n *\n * _.invertBy(object);\n * // => { '1': ['a', 'c'], '2': ['b'] }\n *\n * _.invertBy(object, function(value) {\n * return 'group' + value;\n * });\n * // => { 'group1': ['a', 'c'], 'group2': ['b'] }\n */\n var invertBy = createInverter(function(result, value, key) {\n if (value != null &&\n typeof value.toString != 'function') {\n value = nativeObjectToString.call(value);\n }\n\n if (hasOwnProperty.call(result, value)) {\n result[value].push(key);\n } else {\n result[value] = [key];\n }\n }, getIteratee);\n\n /**\n * Invokes the method at `path` of `object`.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Object\n * @param {Object} object The object to query.\n * @param {Array|string} path The path of the method to invoke.\n * @param {...*} [args] The arguments to invoke the method with.\n * @returns {*} Returns the result of the invoked method.\n * @example\n *\n * var object = { 'a': [{ 'b': { 'c': [1, 2, 3, 4] } }] };\n *\n * _.invoke(object, 'a[0].b.c.slice', 1, 3);\n * // => [2, 3]\n */\n var invoke = baseRest(baseInvoke);\n\n /**\n * Creates an array of the own enumerable property names of `object`.\n *\n * **Note:** Non-object values are coerced to objects. See the\n * [ES spec](http://ecma-international.org/ecma-262/7.0/#sec-object.keys)\n * for more details.\n *\n * @static\n * @since 0.1.0\n * @memberOf _\n * @category Object\n * @param {Object} object The object to query.\n * @returns {Array} Returns the array of property names.\n * @example\n *\n * function Foo() {\n * this.a = 1;\n * this.b = 2;\n * }\n *\n * Foo.prototype.c = 3;\n *\n * _.keys(new Foo);\n * // => ['a', 'b'] (iteration order is not guaranteed)\n *\n * _.keys('hi');\n * // => ['0', '1']\n */\n function keys(object) {\n return isArrayLike(object) ? arrayLikeKeys(object) : baseKeys(object);\n }\n\n /**\n * Creates an array of the own and inherited enumerable property names of `object`.\n *\n * **Note:** Non-object values are coerced to objects.\n *\n * @static\n * @memberOf _\n * @since 3.0.0\n * @category Object\n * @param {Object} object The object to query.\n * @returns {Array} Returns the array of property names.\n * @example\n *\n * function Foo() {\n * this.a = 1;\n * this.b = 2;\n * }\n *\n * Foo.prototype.c = 3;\n *\n * _.keysIn(new Foo);\n * // => ['a', 'b', 'c'] (iteration order is not guaranteed)\n */\n function keysIn(object) {\n return isArrayLike(object) ? arrayLikeKeys(object, true) : baseKeysIn(object);\n }\n\n /**\n * The opposite of `_.mapValues`; this method creates an object with the\n * same values as `object` and keys generated by running each own enumerable\n * string keyed property of `object` thru `iteratee`. The iteratee is invoked\n * with three arguments: (value, key, object).\n *\n * @static\n * @memberOf _\n * @since 3.8.0\n * @category Object\n * @param {Object} object The object to iterate over.\n * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n * @returns {Object} Returns the new mapped object.\n * @see _.mapValues\n * @example\n *\n * _.mapKeys({ 'a': 1, 'b': 2 }, function(value, key) {\n * return key + value;\n * });\n * // => { 'a1': 1, 'b2': 2 }\n */\n function mapKeys(object, iteratee) {\n var result = {};\n iteratee = getIteratee(iteratee, 3);\n\n baseForOwn(object, function(value, key, object) {\n baseAssignValue(result, iteratee(value, key, object), value);\n });\n return result;\n }\n\n /**\n * Creates an object with the same keys as `object` and values generated\n * by running each own enumerable string keyed property of `object` thru\n * `iteratee`. The iteratee is invoked with three arguments:\n * (value, key, object).\n *\n * @static\n * @memberOf _\n * @since 2.4.0\n * @category Object\n * @param {Object} object The object to iterate over.\n * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n * @returns {Object} Returns the new mapped object.\n * @see _.mapKeys\n * @example\n *\n * var users = {\n * 'fred': { 'user': 'fred', 'age': 40 },\n * 'pebbles': { 'user': 'pebbles', 'age': 1 }\n * };\n *\n * _.mapValues(users, function(o) { return o.age; });\n * // => { 'fred': 40, 'pebbles': 1 } (iteration order is not guaranteed)\n *\n * // The `_.property` iteratee shorthand.\n * _.mapValues(users, 'age');\n * // => { 'fred': 40, 'pebbles': 1 } (iteration order is not guaranteed)\n */\n function mapValues(object, iteratee) {\n var result = {};\n iteratee = getIteratee(iteratee, 3);\n\n baseForOwn(object, function(value, key, object) {\n baseAssignValue(result, key, iteratee(value, key, object));\n });\n return result;\n }\n\n /**\n * This method is like `_.assign` except that it recursively merges own and\n * inherited enumerable string keyed properties of source objects into the\n * destination object. Source properties that resolve to `undefined` are\n * skipped if a destination value exists. Array and plain object properties\n * are merged recursively. Other objects and value types are overridden by\n * assignment. Source objects are applied from left to right. Subsequent\n * sources overwrite property assignments of previous sources.\n *\n * **Note:** This method mutates `object`.\n *\n * @static\n * @memberOf _\n * @since 0.5.0\n * @category Object\n * @param {Object} object The destination object.\n * @param {...Object} [sources] The source objects.\n * @returns {Object} Returns `object`.\n * @example\n *\n * var object = {\n * 'a': [{ 'b': 2 }, { 'd': 4 }]\n * };\n *\n * var other = {\n * 'a': [{ 'c': 3 }, { 'e': 5 }]\n * };\n *\n * _.merge(object, other);\n * // => { 'a': [{ 'b': 2, 'c': 3 }, { 'd': 4, 'e': 5 }] }\n */\n var merge = createAssigner(function(object, source, srcIndex) {\n baseMerge(object, source, srcIndex);\n });\n\n /**\n * This method is like `_.merge` except that it accepts `customizer` which\n * is invoked to produce the merged values of the destination and source\n * properties. If `customizer` returns `undefined`, merging is handled by the\n * method instead. The `customizer` is invoked with six arguments:\n * (objValue, srcValue, key, object, source, stack).\n *\n * **Note:** This method mutates `object`.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Object\n * @param {Object} object The destination object.\n * @param {...Object} sources The source objects.\n * @param {Function} customizer The function to customize assigned values.\n * @returns {Object} Returns `object`.\n * @example\n *\n * function customizer(objValue, srcValue) {\n * if (_.isArray(objValue)) {\n * return objValue.concat(srcValue);\n * }\n * }\n *\n * var object = { 'a': [1], 'b': [2] };\n * var other = { 'a': [3], 'b': [4] };\n *\n * _.mergeWith(object, other, customizer);\n * // => { 'a': [1, 3], 'b': [2, 4] }\n */\n var mergeWith = createAssigner(function(object, source, srcIndex, customizer) {\n baseMerge(object, source, srcIndex, customizer);\n });\n\n /**\n * The opposite of `_.pick`; this method creates an object composed of the\n * own and inherited enumerable property paths of `object` that are not omitted.\n *\n * **Note:** This method is considerably slower than `_.pick`.\n *\n * @static\n * @since 0.1.0\n * @memberOf _\n * @category Object\n * @param {Object} object The source object.\n * @param {...(string|string[])} [paths] The property paths to omit.\n * @returns {Object} Returns the new object.\n * @example\n *\n * var object = { 'a': 1, 'b': '2', 'c': 3 };\n *\n * _.omit(object, ['a', 'c']);\n * // => { 'b': '2' }\n */\n var omit = flatRest(function(object, paths) {\n var result = {};\n if (object == null) {\n return result;\n }\n var isDeep = false;\n paths = arrayMap(paths, function(path) {\n path = castPath(path, object);\n isDeep || (isDeep = path.length > 1);\n return path;\n });\n copyObject(object, getAllKeysIn(object), result);\n if (isDeep) {\n result = baseClone(result, CLONE_DEEP_FLAG | CLONE_FLAT_FLAG | CLONE_SYMBOLS_FLAG, customOmitClone);\n }\n var length = paths.length;\n while (length--) {\n baseUnset(result, paths[length]);\n }\n return result;\n });\n\n /**\n * The opposite of `_.pickBy`; this method creates an object composed of\n * the own and inherited enumerable string keyed properties of `object` that\n * `predicate` doesn't return truthy for. The predicate is invoked with two\n * arguments: (value, key).\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Object\n * @param {Object} object The source object.\n * @param {Function} [predicate=_.identity] The function invoked per property.\n * @returns {Object} Returns the new object.\n * @example\n *\n * var object = { 'a': 1, 'b': '2', 'c': 3 };\n *\n * _.omitBy(object, _.isNumber);\n * // => { 'b': '2' }\n */\n function omitBy(object, predicate) {\n return pickBy(object, negate(getIteratee(predicate)));\n }\n\n /**\n * Creates an object composed of the picked `object` properties.\n *\n * @static\n * @since 0.1.0\n * @memberOf _\n * @category Object\n * @param {Object} object The source object.\n * @param {...(string|string[])} [paths] The property paths to pick.\n * @returns {Object} Returns the new object.\n * @example\n *\n * var object = { 'a': 1, 'b': '2', 'c': 3 };\n *\n * _.pick(object, ['a', 'c']);\n * // => { 'a': 1, 'c': 3 }\n */\n var pick = flatRest(function(object, paths) {\n return object == null ? {} : basePick(object, paths);\n });\n\n /**\n * Creates an object composed of the `object` properties `predicate` returns\n * truthy for. The predicate is invoked with two arguments: (value, key).\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Object\n * @param {Object} object The source object.\n * @param {Function} [predicate=_.identity] The function invoked per property.\n * @returns {Object} Returns the new object.\n * @example\n *\n * var object = { 'a': 1, 'b': '2', 'c': 3 };\n *\n * _.pickBy(object, _.isNumber);\n * // => { 'a': 1, 'c': 3 }\n */\n function pickBy(object, predicate) {\n if (object == null) {\n return {};\n }\n var props = arrayMap(getAllKeysIn(object), function(prop) {\n return [prop];\n });\n predicate = getIteratee(predicate);\n return basePickBy(object, props, function(value, path) {\n return predicate(value, path[0]);\n });\n }\n\n /**\n * This method is like `_.get` except that if the resolved value is a\n * function it's invoked with the `this` binding of its parent object and\n * its result is returned.\n *\n * @static\n * @since 0.1.0\n * @memberOf _\n * @category Object\n * @param {Object} object The object to query.\n * @param {Array|string} path The path of the property to resolve.\n * @param {*} [defaultValue] The value returned for `undefined` resolved values.\n * @returns {*} Returns the resolved value.\n * @example\n *\n * var object = { 'a': [{ 'b': { 'c1': 3, 'c2': _.constant(4) } }] };\n *\n * _.result(object, 'a[0].b.c1');\n * // => 3\n *\n * _.result(object, 'a[0].b.c2');\n * // => 4\n *\n * _.result(object, 'a[0].b.c3', 'default');\n * // => 'default'\n *\n * _.result(object, 'a[0].b.c3', _.constant('default'));\n * // => 'default'\n */\n function result(object, path, defaultValue) {\n path = castPath(path, object);\n\n var index = -1,\n length = path.length;\n\n // Ensure the loop is entered when path is empty.\n if (!length) {\n length = 1;\n object = undefined;\n }\n while (++index < length) {\n var value = object == null ? undefined : object[toKey(path[index])];\n if (value === undefined) {\n index = length;\n value = defaultValue;\n }\n object = isFunction(value) ? value.call(object) : value;\n }\n return object;\n }\n\n /**\n * Sets the value at `path` of `object`. If a portion of `path` doesn't exist,\n * it's created. Arrays are created for missing index properties while objects\n * are created for all other missing properties. Use `_.setWith` to customize\n * `path` creation.\n *\n * **Note:** This method mutates `object`.\n *\n * @static\n * @memberOf _\n * @since 3.7.0\n * @category Object\n * @param {Object} object The object to modify.\n * @param {Array|string} path The path of the property to set.\n * @param {*} value The value to set.\n * @returns {Object} Returns `object`.\n * @example\n *\n * var object = { 'a': [{ 'b': { 'c': 3 } }] };\n *\n * _.set(object, 'a[0].b.c', 4);\n * console.log(object.a[0].b.c);\n * // => 4\n *\n * _.set(object, ['x', '0', 'y', 'z'], 5);\n * console.log(object.x[0].y.z);\n * // => 5\n */\n function set(object, path, value) {\n return object == null ? object : baseSet(object, path, value);\n }\n\n /**\n * This method is like `_.set` except that it accepts `customizer` which is\n * invoked to produce the objects of `path`. If `customizer` returns `undefined`\n * path creation is handled by the method instead. The `customizer` is invoked\n * with three arguments: (nsValue, key, nsObject).\n *\n * **Note:** This method mutates `object`.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Object\n * @param {Object} object The object to modify.\n * @param {Array|string} path The path of the property to set.\n * @param {*} value The value to set.\n * @param {Function} [customizer] The function to customize assigned values.\n * @returns {Object} Returns `object`.\n * @example\n *\n * var object = {};\n *\n * _.setWith(object, '[0][1]', 'a', Object);\n * // => { '0': { '1': 'a' } }\n */\n function setWith(object, path, value, customizer) {\n customizer = typeof customizer == 'function' ? customizer : undefined;\n return object == null ? object : baseSet(object, path, value, customizer);\n }\n\n /**\n * Creates an array of own enumerable string keyed-value pairs for `object`\n * which can be consumed by `_.fromPairs`. If `object` is a map or set, its\n * entries are returned.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @alias entries\n * @category Object\n * @param {Object} object The object to query.\n * @returns {Array} Returns the key-value pairs.\n * @example\n *\n * function Foo() {\n * this.a = 1;\n * this.b = 2;\n * }\n *\n * Foo.prototype.c = 3;\n *\n * _.toPairs(new Foo);\n * // => [['a', 1], ['b', 2]] (iteration order is not guaranteed)\n */\n var toPairs = createToPairs(keys);\n\n /**\n * Creates an array of own and inherited enumerable string keyed-value pairs\n * for `object` which can be consumed by `_.fromPairs`. If `object` is a map\n * or set, its entries are returned.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @alias entriesIn\n * @category Object\n * @param {Object} object The object to query.\n * @returns {Array} Returns the key-value pairs.\n * @example\n *\n * function Foo() {\n * this.a = 1;\n * this.b = 2;\n * }\n *\n * Foo.prototype.c = 3;\n *\n * _.toPairsIn(new Foo);\n * // => [['a', 1], ['b', 2], ['c', 3]] (iteration order is not guaranteed)\n */\n var toPairsIn = createToPairs(keysIn);\n\n /**\n * An alternative to `_.reduce`; this method transforms `object` to a new\n * `accumulator` object which is the result of running each of its own\n * enumerable string keyed properties thru `iteratee`, with each invocation\n * potentially mutating the `accumulator` object. If `accumulator` is not\n * provided, a new object with the same `[[Prototype]]` will be used. The\n * iteratee is invoked with four arguments: (accumulator, value, key, object).\n * Iteratee functions may exit iteration early by explicitly returning `false`.\n *\n * @static\n * @memberOf _\n * @since 1.3.0\n * @category Object\n * @param {Object} object The object to iterate over.\n * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n * @param {*} [accumulator] The custom accumulator value.\n * @returns {*} Returns the accumulated value.\n * @example\n *\n * _.transform([2, 3, 4], function(result, n) {\n * result.push(n *= n);\n * return n % 2 == 0;\n * }, []);\n * // => [4, 9]\n *\n * _.transform({ 'a': 1, 'b': 2, 'c': 1 }, function(result, value, key) {\n * (result[value] || (result[value] = [])).push(key);\n * }, {});\n * // => { '1': ['a', 'c'], '2': ['b'] }\n */\n function transform(object, iteratee, accumulator) {\n var isArr = isArray(object),\n isArrLike = isArr || isBuffer(object) || isTypedArray(object);\n\n iteratee = getIteratee(iteratee, 4);\n if (accumulator == null) {\n var Ctor = object && object.constructor;\n if (isArrLike) {\n accumulator = isArr ? new Ctor : [];\n }\n else if (isObject(object)) {\n accumulator = isFunction(Ctor) ? baseCreate(getPrototype(object)) : {};\n }\n else {\n accumulator = {};\n }\n }\n (isArrLike ? arrayEach : baseForOwn)(object, function(value, index, object) {\n return iteratee(accumulator, value, index, object);\n });\n return accumulator;\n }\n\n /**\n * Removes the property at `path` of `object`.\n *\n * **Note:** This method mutates `object`.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Object\n * @param {Object} object The object to modify.\n * @param {Array|string} path The path of the property to unset.\n * @returns {boolean} Returns `true` if the property is deleted, else `false`.\n * @example\n *\n * var object = { 'a': [{ 'b': { 'c': 7 } }] };\n * _.unset(object, 'a[0].b.c');\n * // => true\n *\n * console.log(object);\n * // => { 'a': [{ 'b': {} }] };\n *\n * _.unset(object, ['a', '0', 'b', 'c']);\n * // => true\n *\n * console.log(object);\n * // => { 'a': [{ 'b': {} }] };\n */\n function unset(object, path) {\n return object == null ? true : baseUnset(object, path);\n }\n\n /**\n * This method is like `_.set` except that accepts `updater` to produce the\n * value to set. Use `_.updateWith` to customize `path` creation. The `updater`\n * is invoked with one argument: (value).\n *\n * **Note:** This method mutates `object`.\n *\n * @static\n * @memberOf _\n * @since 4.6.0\n * @category Object\n * @param {Object} object The object to modify.\n * @param {Array|string} path The path of the property to set.\n * @param {Function} updater The function to produce the updated value.\n * @returns {Object} Returns `object`.\n * @example\n *\n * var object = { 'a': [{ 'b': { 'c': 3 } }] };\n *\n * _.update(object, 'a[0].b.c', function(n) { return n * n; });\n * console.log(object.a[0].b.c);\n * // => 9\n *\n * _.update(object, 'x[0].y.z', function(n) { return n ? n + 1 : 0; });\n * console.log(object.x[0].y.z);\n * // => 0\n */\n function update(object, path, updater) {\n return object == null ? object : baseUpdate(object, path, castFunction(updater));\n }\n\n /**\n * This method is like `_.update` except that it accepts `customizer` which is\n * invoked to produce the objects of `path`. If `customizer` returns `undefined`\n * path creation is handled by the method instead. The `customizer` is invoked\n * with three arguments: (nsValue, key, nsObject).\n *\n * **Note:** This method mutates `object`.\n *\n * @static\n * @memberOf _\n * @since 4.6.0\n * @category Object\n * @param {Object} object The object to modify.\n * @param {Array|string} path The path of the property to set.\n * @param {Function} updater The function to produce the updated value.\n * @param {Function} [customizer] The function to customize assigned values.\n * @returns {Object} Returns `object`.\n * @example\n *\n * var object = {};\n *\n * _.updateWith(object, '[0][1]', _.constant('a'), Object);\n * // => { '0': { '1': 'a' } }\n */\n function updateWith(object, path, updater, customizer) {\n customizer = typeof customizer == 'function' ? customizer : undefined;\n return object == null ? object : baseUpdate(object, path, castFunction(updater), customizer);\n }\n\n /**\n * Creates an array of the own enumerable string keyed property values of `object`.\n *\n * **Note:** Non-object values are coerced to objects.\n *\n * @static\n * @since 0.1.0\n * @memberOf _\n * @category Object\n * @param {Object} object The object to query.\n * @returns {Array} Returns the array of property values.\n * @example\n *\n * function Foo() {\n * this.a = 1;\n * this.b = 2;\n * }\n *\n * Foo.prototype.c = 3;\n *\n * _.values(new Foo);\n * // => [1, 2] (iteration order is not guaranteed)\n *\n * _.values('hi');\n * // => ['h', 'i']\n */\n function values(object) {\n return object == null ? [] : baseValues(object, keys(object));\n }\n\n /**\n * Creates an array of the own and inherited enumerable string keyed property\n * values of `object`.\n *\n * **Note:** Non-object values are coerced to objects.\n *\n * @static\n * @memberOf _\n * @since 3.0.0\n * @category Object\n * @param {Object} object The object to query.\n * @returns {Array} Returns the array of property values.\n * @example\n *\n * function Foo() {\n * this.a = 1;\n * this.b = 2;\n * }\n *\n * Foo.prototype.c = 3;\n *\n * _.valuesIn(new Foo);\n * // => [1, 2, 3] (iteration order is not guaranteed)\n */\n function valuesIn(object) {\n return object == null ? [] : baseValues(object, keysIn(object));\n }\n\n /*------------------------------------------------------------------------*/\n\n /**\n * Clamps `number` within the inclusive `lower` and `upper` bounds.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Number\n * @param {number} number The number to clamp.\n * @param {number} [lower] The lower bound.\n * @param {number} upper The upper bound.\n * @returns {number} Returns the clamped number.\n * @example\n *\n * _.clamp(-10, -5, 5);\n * // => -5\n *\n * _.clamp(10, -5, 5);\n * // => 5\n */\n function clamp(number, lower, upper) {\n if (upper === undefined) {\n upper = lower;\n lower = undefined;\n }\n if (upper !== undefined) {\n upper = toNumber(upper);\n upper = upper === upper ? upper : 0;\n }\n if (lower !== undefined) {\n lower = toNumber(lower);\n lower = lower === lower ? lower : 0;\n }\n return baseClamp(toNumber(number), lower, upper);\n }\n\n /**\n * Checks if `n` is between `start` and up to, but not including, `end`. If\n * `end` is not specified, it's set to `start` with `start` then set to `0`.\n * If `start` is greater than `end` the params are swapped to support\n * negative ranges.\n *\n * @static\n * @memberOf _\n * @since 3.3.0\n * @category Number\n * @param {number} number The number to check.\n * @param {number} [start=0] The start of the range.\n * @param {number} end The end of the range.\n * @returns {boolean} Returns `true` if `number` is in the range, else `false`.\n * @see _.range, _.rangeRight\n * @example\n *\n * _.inRange(3, 2, 4);\n * // => true\n *\n * _.inRange(4, 8);\n * // => true\n *\n * _.inRange(4, 2);\n * // => false\n *\n * _.inRange(2, 2);\n * // => false\n *\n * _.inRange(1.2, 2);\n * // => true\n *\n * _.inRange(5.2, 4);\n * // => false\n *\n * _.inRange(-3, -2, -6);\n * // => true\n */\n function inRange(number, start, end) {\n start = toFinite(start);\n if (end === undefined) {\n end = start;\n start = 0;\n } else {\n end = toFinite(end);\n }\n number = toNumber(number);\n return baseInRange(number, start, end);\n }\n\n /**\n * Produces a random number between the inclusive `lower` and `upper` bounds.\n * If only one argument is provided a number between `0` and the given number\n * is returned. If `floating` is `true`, or either `lower` or `upper` are\n * floats, a floating-point number is returned instead of an integer.\n *\n * **Note:** JavaScript follows the IEEE-754 standard for resolving\n * floating-point values which can produce unexpected results.\n *\n * @static\n * @memberOf _\n * @since 0.7.0\n * @category Number\n * @param {number} [lower=0] The lower bound.\n * @param {number} [upper=1] The upper bound.\n * @param {boolean} [floating] Specify returning a floating-point number.\n * @returns {number} Returns the random number.\n * @example\n *\n * _.random(0, 5);\n * // => an integer between 0 and 5\n *\n * _.random(5);\n * // => also an integer between 0 and 5\n *\n * _.random(5, true);\n * // => a floating-point number between 0 and 5\n *\n * _.random(1.2, 5.2);\n * // => a floating-point number between 1.2 and 5.2\n */\n function random(lower, upper, floating) {\n if (floating && typeof floating != 'boolean' && isIterateeCall(lower, upper, floating)) {\n upper = floating = undefined;\n }\n if (floating === undefined) {\n if (typeof upper == 'boolean') {\n floating = upper;\n upper = undefined;\n }\n else if (typeof lower == 'boolean') {\n floating = lower;\n lower = undefined;\n }\n }\n if (lower === undefined && upper === undefined) {\n lower = 0;\n upper = 1;\n }\n else {\n lower = toFinite(lower);\n if (upper === undefined) {\n upper = lower;\n lower = 0;\n } else {\n upper = toFinite(upper);\n }\n }\n if (lower > upper) {\n var temp = lower;\n lower = upper;\n upper = temp;\n }\n if (floating || lower % 1 || upper % 1) {\n var rand = nativeRandom();\n return nativeMin(lower + (rand * (upper - lower + freeParseFloat('1e-' + ((rand + '').length - 1)))), upper);\n }\n return baseRandom(lower, upper);\n }\n\n /*------------------------------------------------------------------------*/\n\n /**\n * Converts `string` to [camel case](https://en.wikipedia.org/wiki/CamelCase).\n *\n * @static\n * @memberOf _\n * @since 3.0.0\n * @category String\n * @param {string} [string=''] The string to convert.\n * @returns {string} Returns the camel cased string.\n * @example\n *\n * _.camelCase('Foo Bar');\n * // => 'fooBar'\n *\n * _.camelCase('--foo-bar--');\n * // => 'fooBar'\n *\n * _.camelCase('__FOO_BAR__');\n * // => 'fooBar'\n */\n var camelCase = createCompounder(function(result, word, index) {\n word = word.toLowerCase();\n return result + (index ? capitalize(word) : word);\n });\n\n /**\n * Converts the first character of `string` to upper case and the remaining\n * to lower case.\n *\n * @static\n * @memberOf _\n * @since 3.0.0\n * @category String\n * @param {string} [string=''] The string to capitalize.\n * @returns {string} Returns the capitalized string.\n * @example\n *\n * _.capitalize('FRED');\n * // => 'Fred'\n */\n function capitalize(string) {\n return upperFirst(toString(string).toLowerCase());\n }\n\n /**\n * Deburrs `string` by converting\n * [Latin-1 Supplement](https://en.wikipedia.org/wiki/Latin-1_Supplement_(Unicode_block)#Character_table)\n * and [Latin Extended-A](https://en.wikipedia.org/wiki/Latin_Extended-A)\n * letters to basic Latin letters and removing\n * [combining diacritical marks](https://en.wikipedia.org/wiki/Combining_Diacritical_Marks).\n *\n * @static\n * @memberOf _\n * @since 3.0.0\n * @category String\n * @param {string} [string=''] The string to deburr.\n * @returns {string} Returns the deburred string.\n * @example\n *\n * _.deburr('déjà vu');\n * // => 'deja vu'\n */\n function deburr(string) {\n string = toString(string);\n return string && string.replace(reLatin, deburrLetter).replace(reComboMark, '');\n }\n\n /**\n * Checks if `string` ends with the given target string.\n *\n * @static\n * @memberOf _\n * @since 3.0.0\n * @category String\n * @param {string} [string=''] The string to inspect.\n * @param {string} [target] The string to search for.\n * @param {number} [position=string.length] The position to search up to.\n * @returns {boolean} Returns `true` if `string` ends with `target`,\n * else `false`.\n * @example\n *\n * _.endsWith('abc', 'c');\n * // => true\n *\n * _.endsWith('abc', 'b');\n * // => false\n *\n * _.endsWith('abc', 'b', 2);\n * // => true\n */\n function endsWith(string, target, position) {\n string = toString(string);\n target = baseToString(target);\n\n var length = string.length;\n position = position === undefined\n ? length\n : baseClamp(toInteger(position), 0, length);\n\n var end = position;\n position -= target.length;\n return position >= 0 && string.slice(position, end) == target;\n }\n\n /**\n * Converts the characters \"&\", \"<\", \">\", '\"', and \"'\" in `string` to their\n * corresponding HTML entities.\n *\n * **Note:** No other characters are escaped. To escape additional\n * characters use a third-party library like [_he_](https://mths.be/he).\n *\n * Though the \">\" character is escaped for symmetry, characters like\n * \">\" and \"/\" don't need escaping in HTML and have no special meaning\n * unless they're part of a tag or unquoted attribute value. See\n * [Mathias Bynens's article](https://mathiasbynens.be/notes/ambiguous-ampersands)\n * (under \"semi-related fun fact\") for more details.\n *\n * When working with HTML you should always\n * [quote attribute values](http://wonko.com/post/html-escaping) to reduce\n * XSS vectors.\n *\n * @static\n * @since 0.1.0\n * @memberOf _\n * @category String\n * @param {string} [string=''] The string to escape.\n * @returns {string} Returns the escaped string.\n * @example\n *\n * _.escape('fred, barney, & pebbles');\n * // => 'fred, barney, & pebbles'\n */\n function escape(string) {\n string = toString(string);\n return (string && reHasUnescapedHtml.test(string))\n ? string.replace(reUnescapedHtml, escapeHtmlChar)\n : string;\n }\n\n /**\n * Escapes the `RegExp` special characters \"^\", \"$\", \"\\\", \".\", \"*\", \"+\",\n * \"?\", \"(\", \")\", \"[\", \"]\", \"{\", \"}\", and \"|\" in `string`.\n *\n * @static\n * @memberOf _\n * @since 3.0.0\n * @category String\n * @param {string} [string=''] The string to escape.\n * @returns {string} Returns the escaped string.\n * @example\n *\n * _.escapeRegExp('[lodash](https://lodash.com/)');\n * // => '\\[lodash\\]\\(https://lodash\\.com/\\)'\n */\n function escapeRegExp(string) {\n string = toString(string);\n return (string && reHasRegExpChar.test(string))\n ? string.replace(reRegExpChar, '\\\\$&')\n : string;\n }\n\n /**\n * Converts `string` to\n * [kebab case](https://en.wikipedia.org/wiki/Letter_case#Special_case_styles).\n *\n * @static\n * @memberOf _\n * @since 3.0.0\n * @category String\n * @param {string} [string=''] The string to convert.\n * @returns {string} Returns the kebab cased string.\n * @example\n *\n * _.kebabCase('Foo Bar');\n * // => 'foo-bar'\n *\n * _.kebabCase('fooBar');\n * // => 'foo-bar'\n *\n * _.kebabCase('__FOO_BAR__');\n * // => 'foo-bar'\n */\n var kebabCase = createCompounder(function(result, word, index) {\n return result + (index ? '-' : '') + word.toLowerCase();\n });\n\n /**\n * Converts `string`, as space separated words, to lower case.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category String\n * @param {string} [string=''] The string to convert.\n * @returns {string} Returns the lower cased string.\n * @example\n *\n * _.lowerCase('--Foo-Bar--');\n * // => 'foo bar'\n *\n * _.lowerCase('fooBar');\n * // => 'foo bar'\n *\n * _.lowerCase('__FOO_BAR__');\n * // => 'foo bar'\n */\n var lowerCase = createCompounder(function(result, word, index) {\n return result + (index ? ' ' : '') + word.toLowerCase();\n });\n\n /**\n * Converts the first character of `string` to lower case.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category String\n * @param {string} [string=''] The string to convert.\n * @returns {string} Returns the converted string.\n * @example\n *\n * _.lowerFirst('Fred');\n * // => 'fred'\n *\n * _.lowerFirst('FRED');\n * // => 'fRED'\n */\n var lowerFirst = createCaseFirst('toLowerCase');\n\n /**\n * Pads `string` on the left and right sides if it's shorter than `length`.\n * Padding characters are truncated if they can't be evenly divided by `length`.\n *\n * @static\n * @memberOf _\n * @since 3.0.0\n * @category String\n * @param {string} [string=''] The string to pad.\n * @param {number} [length=0] The padding length.\n * @param {string} [chars=' '] The string used as padding.\n * @returns {string} Returns the padded string.\n * @example\n *\n * _.pad('abc', 8);\n * // => ' abc '\n *\n * _.pad('abc', 8, '_-');\n * // => '_-abc_-_'\n *\n * _.pad('abc', 3);\n * // => 'abc'\n */\n function pad(string, length, chars) {\n string = toString(string);\n length = toInteger(length);\n\n var strLength = length ? stringSize(string) : 0;\n if (!length || strLength >= length) {\n return string;\n }\n var mid = (length - strLength) / 2;\n return (\n createPadding(nativeFloor(mid), chars) +\n string +\n createPadding(nativeCeil(mid), chars)\n );\n }\n\n /**\n * Pads `string` on the right side if it's shorter than `length`. Padding\n * characters are truncated if they exceed `length`.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category String\n * @param {string} [string=''] The string to pad.\n * @param {number} [length=0] The padding length.\n * @param {string} [chars=' '] The string used as padding.\n * @returns {string} Returns the padded string.\n * @example\n *\n * _.padEnd('abc', 6);\n * // => 'abc '\n *\n * _.padEnd('abc', 6, '_-');\n * // => 'abc_-_'\n *\n * _.padEnd('abc', 3);\n * // => 'abc'\n */\n function padEnd(string, length, chars) {\n string = toString(string);\n length = toInteger(length);\n\n var strLength = length ? stringSize(string) : 0;\n return (length && strLength < length)\n ? (string + createPadding(length - strLength, chars))\n : string;\n }\n\n /**\n * Pads `string` on the left side if it's shorter than `length`. Padding\n * characters are truncated if they exceed `length`.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category String\n * @param {string} [string=''] The string to pad.\n * @param {number} [length=0] The padding length.\n * @param {string} [chars=' '] The string used as padding.\n * @returns {string} Returns the padded string.\n * @example\n *\n * _.padStart('abc', 6);\n * // => ' abc'\n *\n * _.padStart('abc', 6, '_-');\n * // => '_-_abc'\n *\n * _.padStart('abc', 3);\n * // => 'abc'\n */\n function padStart(string, length, chars) {\n string = toString(string);\n length = toInteger(length);\n\n var strLength = length ? stringSize(string) : 0;\n return (length && strLength < length)\n ? (createPadding(length - strLength, chars) + string)\n : string;\n }\n\n /**\n * Converts `string` to an integer of the specified radix. If `radix` is\n * `undefined` or `0`, a `radix` of `10` is used unless `value` is a\n * hexadecimal, in which case a `radix` of `16` is used.\n *\n * **Note:** This method aligns with the\n * [ES5 implementation](https://es5.github.io/#x15.1.2.2) of `parseInt`.\n *\n * @static\n * @memberOf _\n * @since 1.1.0\n * @category String\n * @param {string} string The string to convert.\n * @param {number} [radix=10] The radix to interpret `value` by.\n * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n * @returns {number} Returns the converted integer.\n * @example\n *\n * _.parseInt('08');\n * // => 8\n *\n * _.map(['6', '08', '10'], _.parseInt);\n * // => [6, 8, 10]\n */\n function parseInt(string, radix, guard) {\n if (guard || radix == null) {\n radix = 0;\n } else if (radix) {\n radix = +radix;\n }\n return nativeParseInt(toString(string).replace(reTrimStart, ''), radix || 0);\n }\n\n /**\n * Repeats the given string `n` times.\n *\n * @static\n * @memberOf _\n * @since 3.0.0\n * @category String\n * @param {string} [string=''] The string to repeat.\n * @param {number} [n=1] The number of times to repeat the string.\n * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n * @returns {string} Returns the repeated string.\n * @example\n *\n * _.repeat('*', 3);\n * // => '***'\n *\n * _.repeat('abc', 2);\n * // => 'abcabc'\n *\n * _.repeat('abc', 0);\n * // => ''\n */\n function repeat(string, n, guard) {\n if ((guard ? isIterateeCall(string, n, guard) : n === undefined)) {\n n = 1;\n } else {\n n = toInteger(n);\n }\n return baseRepeat(toString(string), n);\n }\n\n /**\n * Replaces matches for `pattern` in `string` with `replacement`.\n *\n * **Note:** This method is based on\n * [`String#replace`](https://mdn.io/String/replace).\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category String\n * @param {string} [string=''] The string to modify.\n * @param {RegExp|string} pattern The pattern to replace.\n * @param {Function|string} replacement The match replacement.\n * @returns {string} Returns the modified string.\n * @example\n *\n * _.replace('Hi Fred', 'Fred', 'Barney');\n * // => 'Hi Barney'\n */\n function replace() {\n var args = arguments,\n string = toString(args[0]);\n\n return args.length < 3 ? string : string.replace(args[1], args[2]);\n }\n\n /**\n * Converts `string` to\n * [snake case](https://en.wikipedia.org/wiki/Snake_case).\n *\n * @static\n * @memberOf _\n * @since 3.0.0\n * @category String\n * @param {string} [string=''] The string to convert.\n * @returns {string} Returns the snake cased string.\n * @example\n *\n * _.snakeCase('Foo Bar');\n * // => 'foo_bar'\n *\n * _.snakeCase('fooBar');\n * // => 'foo_bar'\n *\n * _.snakeCase('--FOO-BAR--');\n * // => 'foo_bar'\n */\n var snakeCase = createCompounder(function(result, word, index) {\n return result + (index ? '_' : '') + word.toLowerCase();\n });\n\n /**\n * Splits `string` by `separator`.\n *\n * **Note:** This method is based on\n * [`String#split`](https://mdn.io/String/split).\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category String\n * @param {string} [string=''] The string to split.\n * @param {RegExp|string} separator The separator pattern to split by.\n * @param {number} [limit] The length to truncate results to.\n * @returns {Array} Returns the string segments.\n * @example\n *\n * _.split('a-b-c', '-', 2);\n * // => ['a', 'b']\n */\n function split(string, separator, limit) {\n if (limit && typeof limit != 'number' && isIterateeCall(string, separator, limit)) {\n separator = limit = undefined;\n }\n limit = limit === undefined ? MAX_ARRAY_LENGTH : limit >>> 0;\n if (!limit) {\n return [];\n }\n string = toString(string);\n if (string && (\n typeof separator == 'string' ||\n (separator != null && !isRegExp(separator))\n )) {\n separator = baseToString(separator);\n if (!separator && hasUnicode(string)) {\n return castSlice(stringToArray(string), 0, limit);\n }\n }\n return string.split(separator, limit);\n }\n\n /**\n * Converts `string` to\n * [start case](https://en.wikipedia.org/wiki/Letter_case#Stylistic_or_specialised_usage).\n *\n * @static\n * @memberOf _\n * @since 3.1.0\n * @category String\n * @param {string} [string=''] The string to convert.\n * @returns {string} Returns the start cased string.\n * @example\n *\n * _.startCase('--foo-bar--');\n * // => 'Foo Bar'\n *\n * _.startCase('fooBar');\n * // => 'Foo Bar'\n *\n * _.startCase('__FOO_BAR__');\n * // => 'FOO BAR'\n */\n var startCase = createCompounder(function(result, word, index) {\n return result + (index ? ' ' : '') + upperFirst(word);\n });\n\n /**\n * Checks if `string` starts with the given target string.\n *\n * @static\n * @memberOf _\n * @since 3.0.0\n * @category String\n * @param {string} [string=''] The string to inspect.\n * @param {string} [target] The string to search for.\n * @param {number} [position=0] The position to search from.\n * @returns {boolean} Returns `true` if `string` starts with `target`,\n * else `false`.\n * @example\n *\n * _.startsWith('abc', 'a');\n * // => true\n *\n * _.startsWith('abc', 'b');\n * // => false\n *\n * _.startsWith('abc', 'b', 1);\n * // => true\n */\n function startsWith(string, target, position) {\n string = toString(string);\n position = position == null\n ? 0\n : baseClamp(toInteger(position), 0, string.length);\n\n target = baseToString(target);\n return string.slice(position, position + target.length) == target;\n }\n\n /**\n * Creates a compiled template function that can interpolate data properties\n * in \"interpolate\" delimiters, HTML-escape interpolated data properties in\n * \"escape\" delimiters, and execute JavaScript in \"evaluate\" delimiters. Data\n * properties may be accessed as free variables in the template. If a setting\n * object is given, it takes precedence over `_.templateSettings` values.\n *\n * **Note:** In the development build `_.template` utilizes\n * [sourceURLs](http://www.html5rocks.com/en/tutorials/developertools/sourcemaps/#toc-sourceurl)\n * for easier debugging.\n *\n * For more information on precompiling templates see\n * [lodash's custom builds documentation](https://lodash.com/custom-builds).\n *\n * For more information on Chrome extension sandboxes see\n * [Chrome's extensions documentation](https://developer.chrome.com/extensions/sandboxingEval).\n *\n * @static\n * @since 0.1.0\n * @memberOf _\n * @category String\n * @param {string} [string=''] The template string.\n * @param {Object} [options={}] The options object.\n * @param {RegExp} [options.escape=_.templateSettings.escape]\n * The HTML \"escape\" delimiter.\n * @param {RegExp} [options.evaluate=_.templateSettings.evaluate]\n * The \"evaluate\" delimiter.\n * @param {Object} [options.imports=_.templateSettings.imports]\n * An object to import into the template as free variables.\n * @param {RegExp} [options.interpolate=_.templateSettings.interpolate]\n * The \"interpolate\" delimiter.\n * @param {string} [options.sourceURL='lodash.templateSources[n]']\n * The sourceURL of the compiled template.\n * @param {string} [options.variable='obj']\n * The data object variable name.\n * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n * @returns {Function} Returns the compiled template function.\n * @example\n *\n * // Use the \"interpolate\" delimiter to create a compiled template.\n * var compiled = _.template('hello <%= user %>!');\n * compiled({ 'user': 'fred' });\n * // => 'hello fred!'\n *\n * // Use the HTML \"escape\" delimiter to escape data property values.\n * var compiled = _.template('<%- value %>');\n * compiled({ 'value': '