Zae · August 31, 2011 23:49 · Aug 31, 2011
diff --git a/conway.coffee b/conway.coffee
@@ -0,0 +1,43 @@
+setup = (@c) ->
+  [@h,@w,@a,@b,@m] = [40, 80, 0, 1,[]]
+  spawn()
+
+spawn = ->
+  @m[@a] = (Math.floor Math.random() * 2 for i in [0...@w+1] for j in [0...@h+1])
+  @m[@b] = (0 for i in [0...@w+1] for j in [0...@h+1])
+
+draw = ->
+  lifedeathandshow()
+
+neighbours = (i,j) ->
+  @m[@a][i-1][j-1] +
+  @m[@a][i][j-1] +
+  @m[@a][i+1][j-1] +
+  @m[@a][i-1][j] +
+  @m[@a][i][j] +
+  @m[@a][i+1][j] +
+  @m[@a][i-1][j+1] +
+  @m[@a][i][j+1] +
+  @m[@a][i+1][j+1]
+
+lifedeathandshow = ->
+  (n = neighbours i,j
+  if @m[@a][i][j] is  1
+    if n < 2 or n > 3
+      @m[@b][i][j] = 0
+      @c.clearRect i*10, j*10, 10, 10
+    else
+      @m[@b][i][j] = @m[@a][i][j]
+      @c.fillRect i*10, j*10, 10, 10
+  else
+    if n is 3
+      @m[@b][i][j] = 1
+      @c.fillRect i*10, j*10, 10, 10
+    else
+      @m[@b][i][j] = @m[@a][i][j]
+      @c.clearRect i*10, j*10, 10, 10
+
+    [@a, @b] = [@b, @a]) for j in [1...@w-1] for i in [1...@h-1]
+
+setup document.getElementById('canvizzle').getContext '2d'
+setInterval draw, 1000
diff --git a/conway.js b/conway.js
@@ -0,0 +1,68 @@
+(function() {
+  var clear, draw, lifedeathandshow, neighbours, setup, spawn;
+  setup = function(c) {
+    var _ref;
+    this.c = c;
+    _ref = [40, 80, 0, 1, []], this.h = _ref[0], this.w = _ref[1], this.a = _ref[2], this.b = _ref[3], this.m = _ref[4];
+    return spawn();
+  };
+  spawn = function() {
+    var i, j;
+    this.m[this.a] = (function() {
+      var _ref, _results;
+      _results = [];
+      for (j = 0, _ref = this.h + 1; 0 <= _ref ? j < _ref : j > _ref; 0 <= _ref ? j++ : j--) {
+        _results.push((function() {
+          var _ref2, _results2;
+          _results2 = [];
+          for (i = 0, _ref2 = this.w + 1; 0 <= _ref2 ? i < _ref2 : i > _ref2; 0 <= _ref2 ? i++ : i--) {
+            _results2.push(Math.floor(Math.random() * 2));
+          }
+          return _results2;
+        }).call(this));
+      }
+      return _results;
+    }).call(this);
+    return this.m[this.b] = (function() {
+      var _ref, _results;
+      _results = [];
+      for (j = 0, _ref = this.h + 1; 0 <= _ref ? j < _ref : j > _ref; 0 <= _ref ? j++ : j--) {
+        _results.push((function() {
+          var _ref2, _results2;
+          _results2 = [];
+          for (i = 0, _ref2 = this.w + 1; 0 <= _ref2 ? i < _ref2 : i > _ref2; 0 <= _ref2 ? i++ : i--) {
+            _results2.push(0);
+          }
+          return _results2;
+        }).call(this));
+      }
+      return _results;
+    }).call(this);
+  };
+  draw = function() {
+    return lifedeathandshow();
+  };
+  clear = function() {
+    return this.c.clearRect(0, 0, this.w * 10, this.h * 10);
+  };
+  neighbours = function(i, j) {
+    return this.m[this.a][i - 1][j - 1] + this.m[this.a][i][j - 1] + this.m[this.a][i + 1][j - 1] + this.m[this.a][i - 1][j] + this.m[this.a][i][j] + this.m[this.a][i + 1][j] + this.m[this.a][i - 1][j + 1] + this.m[this.a][i][j + 1] + this.m[this.a][i + 1][j + 1];
+  };
+  lifedeathandshow = function() {
+    var i, j, n, _ref, _results;
+    _results = [];
+    for (i = 1, _ref = this.h - 1; 1 <= _ref ? i < _ref : i > _ref; 1 <= _ref ? i++ : i--) {
+      _results.push((function() {
+        var _ref2, _ref3, _results2;
+        _results2 = [];
+        for (j = 1, _ref2 = this.w - 1; 1 <= _ref2 ? j < _ref2 : j > _ref2; 1 <= _ref2 ? j++ : j--) {
+          _results2.push((n = neighbours(i, j), this.m[this.a][i][j] === 1 ? n < 2 || n > 3 ? (this.m[this.b][i][j] = 0, this.c.clearRect(i * 10, j * 10, 10, 10)) : (this.m[this.b][i][j] = this.m[this.a][i][j], this.c.fillRect(i * 10, j * 10, 10, 10)) : (n === 3 ? (this.m[this.b][i][j] = 1, this.c.fillRect(i * 10, j * 10, 10, 10)) : (this.m[this.b][i][j] = this.m[this.a][i][j], this.c.clearRect(i * 10, j * 10, 10, 10)), (_ref3 = [this.b, this.a], this.a = _ref3[0], this.b = _ref3[1], _ref3))));
+        }
+        return _results2;
+      }).call(this));
+    }
+    return _results;
+  };
+  setup(document.getElementById('canvizzle').getContext('2d'));
+  setInterval(draw, 1000);
+}).call(this);
diff --git a/index.html b/index.html
@@ -0,0 +1,12 @@
+<!DOCTYPE html>
+<html>
+  <head>
+    <meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
+    <title></title>
+  </head>
+  <body>
+    <p>Use the coffee compiler to compile the conway.coffee script to a usable .js file or use the .js file provided (precompiled)</p>
+    <canvas id="canvizzle"></canvas>
+    <script type="text/javascript" src="js/conway.js"></script>
+  </body>
+</html>
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