添加Render相关文档

添加Render相关文档

renderers/WebGLRenderTarget.js

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+/**
+ * @author szimek / https://github.com/szimek/
+ * @author alteredq / http://alteredqualia.com/
+ */
+/**
+ * @classdesc 渲染目标对象
+ * @desc 通过options设置渲染目标对象，参数见对象的成员变量
+ * @param {number} width 宽度
+ * @param {number} height 高度
+ * @param {*} options 参数列表
+ * @constructor
+ */
+THREE.WebGLRenderTarget = function ( width, height, options ) {
+	/**
+	 * @desc 宽度
+	 * @type {number}
+	 */
+	this.width = width;
+	/**
+	 * @desc 高度
+	 * @type {number}
+	 */
+	this.height = height;
+
+	options = options || {};
+	/**
+	 * @desc 纹理横轴覆盖模式
+	 * @type {number}
+	 */
+	this.wrapS = options.wrapS !== undefined ? options.wrapS : THREE.ClampToEdgeWrapping;
+	/**
+	 * @desc 纹理纵轴覆盖模式
+	 * @type {number}
+	 */
+	this.wrapT = options.wrapT !== undefined ? options.wrapT : THREE.ClampToEdgeWrapping;
+	/**
+	 * @desc 纹理扩大插值模式
+	 * @type {number}
+	 */
+	this.magFilter = options.magFilter !== undefined ? options.magFilter : THREE.LinearFilter;
+	/**
+	 * @desc 纹理缩小插值模式
+	 * @type {number}
+	 */
+	this.minFilter = options.minFilter !== undefined ? options.minFilter : THREE.LinearMipMapLinearFilter;
+	/**
+	 * @desc 各向异性参数
+	 * @type {number}
+	 */
+	this.anisotropy = options.anisotropy !== undefined ? options.anisotropy : 1;
+	/**
+	 * @desc 纹理起始偏移
+	 * @type {number}
+	 */
+	this.offset = new THREE.Vector2( 0, 0 );
+	/**
+	 * @desc 纹理重复参数
+	 * @type {number}
+	 */
+	this.repeat = new THREE.Vector2( 1, 1 );
+	/**
+	 * @desc 纹理颜色格式
+	 * @type {number}
+	 */
+	this.format = options.format !== undefined ? options.format : THREE.RGBAFormat;
+	/**
+	 * @desc 纹理数据字节大小
+	 * @type {number}
+	 */
+	this.type = options.type !== undefined ? options.type : THREE.UnsignedByteType;
+	/**
+	 * @desc 是否是深度缓冲
+	 * @type {boolean}
+	 */
+	this.depthBuffer = options.depthBuffer !== undefined ? options.depthBuffer : true;
+	/**
+	 * @desc 是否是模板缓冲
+	 * @type {number}
+	 */
+	this.stencilBuffer = options.stencilBuffer !== undefined ? options.stencilBuffer : true;
+	/**
+	 * @desc 是否生成Mipmap
+	 * @type {boolean}
+	 */
+	this.generateMipmaps = true;
+	/**
+	 * @desc 共享深度连接
+	 * @type {*}
+	 */
+	this.shareDepthFrom = null;
+
+};
+
+THREE.WebGLRenderTarget.prototype = {
+
+	constructor: THREE.WebGLRenderTarget,
+	/**
+	 * @desc 设置渲染目标的尺寸
+	 * @param {number} width 宽度
+	 * @param {number} height 高度
+	 */
+	setSize: function ( width, height ) {
+
+		this.width = width;
+		this.height = height;
+
+	},
+	/**
+	 * @desc 渲染目标的克隆
+	 * @returns {THREE.WebGLRenderTarget}
+	 */
+	clone: function () {
+
+		var tmp = new THREE.WebGLRenderTarget( this.width, this.height );
+
+		tmp.wrapS = this.wrapS;
+		tmp.wrapT = this.wrapT;
+
+		tmp.magFilter = this.magFilter;
+		tmp.minFilter = this.minFilter;
+
+		tmp.anisotropy = this.anisotropy;
+
+		tmp.offset.copy( this.offset );
+		tmp.repeat.copy( this.repeat );
+
+		tmp.format = this.format;
+		tmp.type = this.type;
+
+		tmp.depthBuffer = this.depthBuffer;
+		tmp.stencilBuffer = this.stencilBuffer;
+
+		tmp.generateMipmaps = this.generateMipmaps;
+
+		tmp.shareDepthFrom = this.shareDepthFrom;
+
+		return tmp;
+
+	},
+	/**
+	 * @desc WebGLRenderTarget的销毁事件
+	 */
+	dispose: function () {
+
+		this.dispatchEvent( { type: 'dispose' } );
+
+	}
+
+};
+
+THREE.EventDispatcher.prototype.apply( THREE.WebGLRenderTarget.prototype );

renderers/WebGLRenderTargetCube.js

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+/**
+ * @author alteredq / http://alteredqualia.com
+ */
+/**
+ * @classdesc 立方体渲染目标对象
+ * @param {number} width 宽度
+ * @param {number} height 高度
+ * @param {*} options 参数列表
+ * @constructor
+ */
+THREE.WebGLRenderTargetCube = function ( width, height, options ) {
+
+	THREE.WebGLRenderTarget.call( this, width, height, options );
+
+	this.activeCubeFace = 0; // PX 0, NX 1, PY 2, NY 3, PZ 4, NZ 5
+
+};
+/**
+ * @desc WebGLRenderTargetCube对象从WebGLRenderTarget的原型继承所有属性方法
+ * @type {THREE.WebGLRenderTarget}
+ */
+THREE.WebGLRenderTargetCube.prototype = Object.create( THREE.WebGLRenderTarget.prototype );