Removed duplicate polyfills.

Author: photonstorm

src/pixi/utils/Utils.js

@@ -2,55 +2,6 @@
  * @author Mat Groves http://matgroves.com/ @Doormat23
  */
 
-// http://paulirish.com/2011/requestanimationframe-for-smart-animating/
-// http://my.opera.com/emoller/blog/2011/12/20/requestanimationframe-for-smart-er-animating
-
-// requestAnimationFrame polyfill by Erik Möller. fixes from Paul Irish and Tino Zijdel
-
-// MIT license
-
-/**
- * A polyfill for requestAnimationFrame
- * You can actually use both requestAnimationFrame and requestAnimFrame, 
- * you will still benefit from the polyfill
- *
- * @method requestAnimationFrame
- */
-
-/**
- * A polyfill for cancelAnimationFrame
- *
- * @method cancelAnimationFrame
- */
-(function(window) {
-    var lastTime = 0;
-    var vendors = ['ms', 'moz', 'webkit', 'o'];
-    for(var x = 0; x < vendors.length && !window.requestAnimationFrame; ++x) {
-        window.requestAnimationFrame = window[vendors[x] + 'RequestAnimationFrame'];
-        window.cancelAnimationFrame = window[vendors[x] + 'CancelAnimationFrame'] ||
-            window[vendors[x] + 'CancelRequestAnimationFrame'];
-    }
-
-    if (!window.requestAnimationFrame) {
-        window.requestAnimationFrame = function(callback) {
-            var currTime = new Date().getTime();
-            var timeToCall = Math.max(0, 16 - (currTime - lastTime));
-            var id = window.setTimeout(function() { callback(currTime + timeToCall); },
-              timeToCall);
-            lastTime = currTime + timeToCall;
-            return id;
-        };
-    }
-
-    if (!window.cancelAnimationFrame) {
-        window.cancelAnimationFrame = function(id) {
-            clearTimeout(id);
-        };
-    }
-
-    window.requestAnimFrame = window.requestAnimationFrame;
-})(this);
-
 /**
  * Converts a hex color number to an [R, G, B] array
  *
@@ -71,100 +22,6 @@ PIXI.rgb2hex = function(rgb) {
     return ((rgb[0]*255 << 16) + (rgb[1]*255 << 8) + rgb[2]*255);
 };
 
-/**
- * A polyfill for Function.prototype.bind
- *
- * @method bind
- */
-if (typeof Function.prototype.bind !== 'function') {
-    Function.prototype.bind = (function () {
-        return function (thisArg) {
-            var target = this, i = arguments.length - 1, boundArgs = [];
-            if (i > 0)
-            {
-                boundArgs.length = i;
-                while (i--) boundArgs[i] = arguments[i + 1];
-            }
-
-            if (typeof target !== 'function') throw new TypeError();
-
-            function bound() {
-                var i = arguments.length, args = new Array(i);
-                while (i--) args[i] = arguments[i];
-                args = boundArgs.concat(args);
-                return target.apply(this instanceof bound ? this : thisArg, args);
-            }
-
-            bound.prototype = (function F(proto) {
-                if (proto) F.prototype = proto;
-                if (!(this instanceof F)) return new F();
-            })(target.prototype);
-
-            return bound;
-        };
-    })();
-}
-
-/**
- * A wrapper for ajax requests to be handled cross browser
- *
- * @class AjaxRequest
- * @constructor
- */
-PIXI.AjaxRequest = function()
-{
-    var activexmodes = ['Msxml2.XMLHTTP.6.0', 'Msxml2.XMLHTTP.3.0', 'Microsoft.XMLHTTP']; //activeX versions to check for in IE
-
-    if (window.ActiveXObject)
-    { //Test for support for ActiveXObject in IE first (as XMLHttpRequest in IE7 is broken)
-        for (var i=0; i<activexmodes.length; i++)
-        {
-            try{
-                return new window.ActiveXObject(activexmodes[i]);
-            }
-            catch(e) {
-                //suppress error
-            }
-        }
-    }
-    else if (window.XMLHttpRequest) // if Mozilla, Safari etc
-    {
-        return new window.XMLHttpRequest();
-    }
-    else
-    {
-        return false;
-    }
-};
-/*
-PIXI.packColorRGBA = function(r, g, b, a)//r, g, b, a)
-{
-  //  console.log(r, b, c, d)
-  return (Math.floor((r)*63) << 18) | (Math.floor((g)*63) << 12) | (Math.floor((b)*63) << 6);// | (Math.floor((a)*63))
-  //  i = i | (Math.floor((a)*63));
-   // return i;
-   // var r = (i / 262144.0 ) / 64;
-   // var g = (i / 4096.0)%64 / 64;
-  //  var b = (i / 64.0)%64 / 64;
-  //  var a = (i)%64 / 64;
-     
-  //  console.log(r, g, b, a);
-  //  return i;
-
-};
-*/
-/*
-PIXI.packColorRGB = function(r, g, b)//r, g, b, a)
-{
-    return (Math.floor((r)*255) << 16) | (Math.floor((g)*255) << 8) | (Math.floor((b)*255));
-};
-
-PIXI.unpackColorRGB = function(r, g, b)//r, g, b, a)
-{
-    return (Math.floor((r)*255) << 16) | (Math.floor((g)*255) << 8) | (Math.floor((b)*255));
-};
-*/
-
 /**
  * Checks whether the Canvas BlendModes are supported by the current browser for drawImage
  *