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Copy pathLife3.js
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Life3.js
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var CELL_SIZE = 10;
var cells = [], buffCells = [];
var canvas, game;
function init() {
canvas = document.getElementById('canvas').getContext('2d');
canvas.width = document.getElementById('canvas').width;
canvas.height = document.getElementById('canvas').height;
game = document.getElementById('game').getContext('2d');
function gameOver() {
console.log('hello');
}
function Grid() {
this.size = { x : 0, y : 0 };
this.width = canvas.width;
this.height = canvas.height;
this.size.x = parseInt(canvas.width / CELL_SIZE, 10);
this.size.y = parseInt(canvas.height / CELL_SIZE, 10);
this.fill = function () {
var i, j;
for (i = 0; i < this.size.x; i += 1) {
cells[i] = [];
buffCells[i] = [];
for (j = 0; j < this.size.y; j += 1) {
cells[i][j] = false;
buffCells[i][j] = false;
}
}
};
this.draw = function () {
var i;
canvas.translate(0.5, 0.5);
canvas.beginPath();
for (i = 0; i <= this.size.x; i += 1) {
canvas.moveTo(0, i * CELL_SIZE);
canvas.lineWidth = 1;
canvas.lineTo(this.width, i * CELL_SIZE);
canvas.strokeStyle = "#ddd";
}
for (i = 0; i <= this.size.x; i += 1) {
canvas.lineWidth = 1;
canvas.moveTo(i * CELL_SIZE, 0);
canvas.lineTo(i * CELL_SIZE, canvas.height);
canvas.strokeStyle = "#ddd";
}
canvas.stroke();
};
}
function Update() {
this.clear = function () {
game.clearRect(0, 0, canvas.width, canvas.height);
};
this.fillCell = function (x, y) {
game.fillRect(x * CELL_SIZE, y * CELL_SIZE, CELL_SIZE + 1, CELL_SIZE + 1);
};
this.fill = function () {
var i, j, grid = new Grid(), upd = new Update();
upd.clear();
for (i = 0; i < grid.size.x; i += 1) {
for (j = 0; j < grid.size.y; j += 1) {
if (cells[i][j] === true) {
upd.fillCell(i, j);
}
}
}
upd.cells();
};
this.randomFill = function () {
var i, j, fill, fillRnd, grid = new Grid(), upd = new Update();
upd.clear();
for (i = 0; i < grid.size.x; i += 1) {
for (j = 0; j < grid.size.y; j += 1) {
fill = [true, false][Math.round(Math.random())];
cells[i][j] = Boolean(fill);
}
}
for (i = 0; i < grid.size.x; i += 1) {
for (j = 0; j < grid.size.y; j += 1) {
fill = cells[i][j];
if (fill === true) {
fillRnd = new Update();
fillRnd.fillCell(i, j);
}
}
}
};
this.autoplay = function () {
var upd = new Update();
upd.fill();
setTimeout(function () { upd.autoplay(); },);
};
this.getLivingNeighbors = function (x, y) {
var grid = new Grid(), count = 0, sx = grid.size.x, sy = grid.size.y;
if (x !== 0 && y !== 0) {
if (cells[x - 1][y - 1] === true) {
count += 1;
}
}
if (y !== 0) {
if (cells[x][y - 1] === true) {
count += 1;
}
}
if (x !== sx - 1 && y !== 0) {
if (cells[x + 1][y - 1] === true) {
count += 1;
}
}
if (x !== 0) {
if (cells[x - 1][y] === true) {
count += 1;
}
}
if (x !== sx - 1) {
if (cells[x + 1][y] === true) {
count += 1;
}
}
if (x !== 0 && y !== sy - 1) {
if (cells[x - 1][y + 1] === true) {
count += 1;
}
}
if (y !== sy - 1) {
if (cells[x][y + 1] === true) {
count += 1;
}
}
if (x !== sx - 1 && y !== sy - 1) {
if (cells[x + 1][y + 1] === true) {
count += 1;
}
}
return count;
};
this.cells = function () {
var i, j, isAlive, count, resul = 0, res, result = false, gameUpd = new Update(), grid = new Grid();
for (i = 0; i < grid.size.x; i += 1) {
for (j = 0; j < grid.size.y; j += 1) {
result = false;
isAlive = cells[i][j];
count = gameUpd.getLivingNeighbors(i, j);
if (isAlive && count < 2) {
result = false;
}
if (isAlive && (count === 2 || count === 3)) {
result = true;
}
if (isAlive && count > 3) {
result = false;
}
if (!isAlive && count === 3) {
result = true;
}
if (isAlive=== true) {
resul += 1;
}
buffCells[i][j] = result;
res = resul;
}
}
console.log(res)
for (i = 0; i < grid.size.x; i += 1) {
for (j = 0; j < grid.size.y; j += 1) {
cells[i][j] = buffCells[i][j];
}
}
};
this.newUnit = function (unit) {
var i, j, grid = new Grid(), off_x = parseInt(grid.size.x / 2, 10), off_y = parseInt(grid.size.y / 2, 10);
for (i = 0; i < grid.size.x; i += 1) {
for (j = 0; j < grid.size.y; j += 1) {
cells[i][j] = false;
}
}
switch (unit) {
case 'glider':
cells[off_x + 1][off_y + 2] = true;
cells[off_x + 2][off_y + 3] = true;
cells[off_x + 3][off_y + 1] = true;
cells[off_x + 3][off_y + 2] = true;
cells[off_x + 3][off_y + 3] = true;
break;
case 'exploder':
cells[off_x + 1][off_y + 1] = true;
cells[off_x + 1][off_y + 2] = true;
cells[off_x + 1][off_y + 3] = true;
cells[off_x + 1][off_y + 4] = true;
cells[off_x + 1][off_y + 5] = true;
cells[off_x + 3][off_y + 1] = true;
cells[off_x + 3][off_y + 5] = true;
cells[off_x + 5][off_y + 1] = true;
cells[off_x + 5][off_y + 2] = true;
cells[off_x + 5][off_y + 3] = true;
cells[off_x + 5][off_y + 4] = true;
cells[off_x + 5][off_y + 5] = true;
break;
case 'gosper':
cells[off_x + 1][off_y + 5] = true;
cells[off_x + 1][off_y + 6] = true;
cells[off_x + 2][off_y + 5] = true;
cells[off_x + 2][off_y + 6] = true;
cells[off_x + 12][off_y + 5] = true;
cells[off_x + 12][off_y + 6] = true;
cells[off_x + 12][off_y + 7] = true;
cells[off_x + 13][off_y + 4] = true;
cells[off_x + 13][off_y + 8] = true;
cells[off_x + 14][off_y + 3] = true;
cells[off_x + 14][off_y + 9] = true;
cells[off_x + 15][off_y + 4] = true;
cells[off_x + 15][off_y + 8] = true;
cells[off_x + 16][off_y + 5] = true;
cells[off_x + 16][off_y + 6] = true;
cells[off_x + 16][off_y + 7] = true;
cells[off_x + 17][off_y + 5] = true;
cells[off_x + 17][off_y + 6] = true;
cells[off_x + 17][off_y + 7] = true;
cells[off_x + 22][off_y + 3] = true;
cells[off_x + 22][off_y + 4] = true;
cells[off_x + 22][off_y + 5] = true;
cells[off_x + 23][off_y + 2] = true;
cells[off_x + 23][off_y + 3] = true;
cells[off_x + 23][off_y + 5] = true;
cells[off_x + 23][off_y + 6] = true;
cells[off_x + 24][off_y + 2] = true;
cells[off_x + 24][off_y + 3] = true;
cells[off_x + 24][off_y + 5] = true;
cells[off_x + 24][off_y + 6] = true;
cells[off_x + 25][off_y + 2] = true;
cells[off_x + 25][off_y + 3] = true;
cells[off_x + 25][off_y + 4] = true;
cells[off_x + 25][off_y + 5] = true;
cells[off_x + 25][off_y + 6] = true;
cells[off_x + 26][off_y + 1] = true;
cells[off_x + 26][off_y + 2] = true;
cells[off_x + 26][off_y + 6] = true;
cells[off_x + 26][off_y + 7] = true;
cells[off_x + 35][off_y + 3] = true;
cells[off_x + 35][off_y + 4] = true;
cells[off_x + 36][off_y + 3] = true;
cells[off_x + 36][off_y + 4] = true;
break;
}
for (i = 0; i < grid.size.x; i += 1) {
for (j = 0; j < grid.size.y; j += 1) {
}
}
};
}
var gameGrid = new Grid(), gameUpd = new Update(), clearBtn, randBtn, stepBtn, gliderBtn;
gameGrid.draw();
gameGrid.fill();
stepBtn = document.getElementById('autoplay');
stepBtn.onclick = function () {
var upd = new Update();
upd.autoplay();
};
gliderBtn = document.getElementById('glider');
gliderBtn.onclick = function () {
gameGrid.fill();
gameUpd.newUnit('glider');
gameUpd.fill();
};
gliderBtn = document.getElementById('exploder');
gliderBtn.onclick = function () {
gameGrid.fill();
gameUpd.newUnit('exploder');
gameUpd.fill();
};
gliderBtn = document.getElementById('gosper');
gliderBtn.onclick = function () {
gameGrid.fill();
gameUpd.newUnit('gosper');
gameUpd.fill();
};
randBtn = document.getElementById('rand');
randBtn.onclick = function () { gameUpd.randomFill(); };
}
window.onload = init();