334 lines
10 KiB
HTML
334 lines
10 KiB
HTML
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<h1 class="file-heading">File: src/pixi/utils/Utils.js</h1>
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<div class="file">
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<pre class="code prettyprint linenums">
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// http://paulirish.com/2011/requestanimationframe-for-smart-animating/
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// http://my.opera.com/emoller/blog/2011/12/20/requestanimationframe-for-smart-er-animating
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// requestAnimationFrame polyfill by Erik Möller. fixes from Paul Irish and Tino Zijdel
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// MIT license
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/**
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* A polyfill for requestAnimationFrame
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*
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* @method requestAnimationFrame
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*/
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/**
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* A polyfill for cancelAnimationFrame
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*
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* @method cancelAnimationFrame
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*/
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var lastTime = 0;
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var vendors = ['ms', 'moz', 'webkit', 'o'];
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for(var x = 0; x < vendors.length && !window.requestAnimationFrame; ++x) {
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window.requestAnimationFrame = window[vendors[x]+'RequestAnimationFrame'];
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window.cancelAnimationFrame = window[vendors[x]+'CancelAnimationFrame']
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|| window[vendors[x]+'CancelRequestAnimationFrame'];
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}
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if (!window.requestAnimationFrame)
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window.requestAnimationFrame = function(callback, element) {
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var currTime = new Date().getTime();
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var timeToCall = Math.max(0, 16 - (currTime - lastTime));
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var id = window.setTimeout(function() { callback(currTime + timeToCall); },
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timeToCall);
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lastTime = currTime + timeToCall;
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return id;
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};
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if (!window.cancelAnimationFrame)
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window.cancelAnimationFrame = function(id) {
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clearTimeout(id);
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};
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window.requestAnimFrame = window.requestAnimationFrame;
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/**
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* Converts a hex color number to an [R, G, B] array
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*
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* @method HEXtoRGB
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* @param hex {Number}
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*/
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function HEXtoRGB(hex) {
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return [(hex >> 16 & 0xFF) / 255, ( hex >> 8 & 0xFF) / 255, (hex & 0xFF)/ 255];
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}
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/**
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* A polyfill for Function.prototype.bind
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*
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* @method bind
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*/
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if (typeof Function.prototype.bind != 'function') {
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Function.prototype.bind = (function () {
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var slice = Array.prototype.slice;
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return function (thisArg) {
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var target = this, boundArgs = slice.call(arguments, 1);
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if (typeof target != 'function') throw new TypeError();
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function bound() {
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var args = boundArgs.concat(slice.call(arguments));
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target.apply(this instanceof bound ? this : thisArg, args);
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}
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bound.prototype = (function F(proto) {
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proto && (F.prototype = proto);
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if (!(this instanceof F)) return new F;
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})(target.prototype);
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return bound;
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};
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})();
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}
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/**
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* A wrapper for ajax requests to be handled cross browser
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*
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* @class AjaxRequest
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* @constructor
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*/
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var AjaxRequest = PIXI.AjaxRequest = function()
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{
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var activexmodes = ["Msxml2.XMLHTTP.6.0", "Msxml2.XMLHTTP.3.0", "Microsoft.XMLHTTP"] //activeX versions to check for in IE
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if (window.ActiveXObject)
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{ //Test for support for ActiveXObject in IE first (as XMLHttpRequest in IE7 is broken)
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for (var i=0; i<activexmodes.length; i++)
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{
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try{
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return new ActiveXObject(activexmodes[i])
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}
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catch(e){
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//suppress error
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}
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}
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}
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else if (window.XMLHttpRequest) // if Mozilla, Safari etc
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{
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return new XMLHttpRequest()
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}
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else
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{
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return false;
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}
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}
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/*
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* DEBUGGING ONLY
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*/
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PIXI.runList = function(item)
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{
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console.log(">>>>>>>>>")
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console.log("_")
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var safe = 0;
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var tmp = item.first;
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console.log(tmp);
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while(tmp._iNext)
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{
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safe++;
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tmp = tmp._iNext;
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console.log(tmp);
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// console.log(tmp);
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if(safe > 100)
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{
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console.log("BREAK")
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break
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}
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}
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}
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</pre>
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</div>
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