var KEY={SHIFT:16,CTRL:17,ESC:27,RIGHT:39,UP:38,LEFT:37,DOWN:40,SPACE:32,A:65,E:69,G:71,L:76,P:80,R:82,S:83,Z:90};var iOS=(navigator.userAgent.indexOf("iPhone;")!=-1||navigator.userAgent.indexOf("iPod;")!=-1||navigator.userAgent.indexOf("iPad;")!=-1);var GameHandler={game:null,paused:false,canvas:null,width:0,height:0,frameCount:0,frameMultipler:1,frameStart:0,maxfps:0,FPSMS:1000/60,init:function(){this.canvas=document.getElementById("canvas");this.width=this.canvas.height;this.height=this.canvas.width},start:function(a){if(a instanceof Game.Main){this.game=a;GameHandler.frameStart=Date.now()}GameHandler.game.frame.call(GameHandler.game)},pause:function(){if(this.paused){this.paused=false;GameHandler.frameStart=Date.now();GameHandler.game.frame.call(GameHandler.game)}else{this.paused=true}}};if(typeof Game=="undefined"||!Game){var Game={}}(function(){Game.Main=function(){var d=this;document.onkeydown=function(e){var f=(e===null?window.event.keyCode:e.keyCode);if(d.sceneIndex!==-1){if(d.scenes[d.sceneIndex].onKeyDownHandler(f)){if(e){e.preventDefault();e.stopPropagation()}}}};document.onkeyup=function(e){var f=(e===null?window.event.keyCode:e.keyCode);if(d.sceneIndex!==-1){if(d.scenes[d.sceneIndex].onKeyUpHandler(f)){if(e){e.preventDefault();e.stopPropagation()}}}}};Game.Main.prototype={scenes:[],startScene:null,endScene:null,currentScene:null,sceneIndex:-1,interval:null,frame:function b(){var h=Date.now();var g=this.currentScene;if(g===null){this.sceneIndex=0;g=this.scenes[0];g.onInitScene()}else{if(this.isGameOver()){this.sceneIndex=-1;g=this.endScene;g.onInitScene()}}if((g.interval===null||g.interval.complete)&&g.isComplete()){this.sceneIndex++;if(this.sceneIndex<this.scenes.length){g=this.scenes[this.sceneIndex]}else{this.sceneIndex=0;g=this.scenes[0]}g.onInitScene()}var e=GameHandler.canvas.getContext("2d");e.save();if(g.interval===null||g.interval.complete){g.onBeforeRenderScene();this.onRenderGame(e);g.onRenderScene(e)}else{this.onRenderGame(e);g.interval.intervalRenderer.call(g,g.interval,e)}e.restore();this.currentScene=g;GameHandler.frameCount++;var f=h-GameHandler.frameStart;if(f===0){f=1}if(GameHandler.frameCount%16===0){GameHandler.maxfps=~~(1000/f)}GameHandler.frameMultipler=f/GameHandler.FPSMS;GameHandler.frameStart=h;var d=~~(GameHandler.FPSMS-(Date.now()-h));if(!GameHandler.paused){requestAnimFrame(GameHandler.start,d)}},onRenderGame:function a(d){},isGameOver:function c(){return false}}})();(function(){Game.Scene=function(j,i){this.playable=j;this.interval=i};Game.Scene.prototype={playable:true,interval:null,isPlayable:function d(){return this.playable},onInitScene:function c(){if(this.interval!==null){this.interval.reset()}},onBeforeRenderScene:function e(){},onRenderScene:function a(i){},onRenderInterval:function f(i){},onKeyDownHandler:function g(i){},onKeyUpHandler:function b(i){},isComplete:function h(){return false}}})();(function(){Game.Interval=function(b,c){this.label=b;this.intervalRenderer=c;this.framecounter=0;this.complete=false};Game.Interval.prototype={label:null,intervalRenderer:null,framecounter:0,complete:false,reset:function a(){this.framecounter=0;this.complete=false}}})();(function(){Game.Actor=function(e,d){this.position=e;this.vector=d;return this};Game.Actor.prototype={position:null,vector:null,onUpdate:function a(){},onRender:function c(d){},expired:function b(){return false}}})();(function(){Game.SpriteActor=function(d,b,c){Game.SpriteActor.superclass.constructor.call(this,d,b);if(c){this.frameSize=c}return this};extend(Game.SpriteActor,Game.Actor,{frameSize:64,animImage:null,animLength:0,animForward:true,animSpeed:1,animFrame:0,renderSprite:function a(c,b,e,d){Game.Util.renderImage(c,this.animImage,0,this.animFrame<<6,this.frameSize,b,e,d);if(this.animForward){this.animFrame+=(this.animSpeed*GameHandler.frameMultipler);if(this.animFrame>=this.animLength){this.animFrame=0}}else{this.animFrame-=(this.animSpeed*GameHandler.frameMultipler);if(this.animFrame<0){this.animFrame=this.animLength-1}}}})})();(function(){Game.EnemyActor=function(d,c){this.position=d;this.vector=c;return this};extend(Game.EnemyActor,Game.SpriteActor,{alive:true,expired:function a(){return !(this.alive)},hit:function b(c){this.alive=false;return true}})})();(function(){Game.EffectActor=function(e,c,d){Game.EffectActor.superclass.constructor.call(this,e,c);this.lifespan=d;this.effectStart=GameHandler.frameStart;return this};extend(Game.EffectActor,Game.Actor,{lifespan:0,effectStart:0,expired:function a(){return(GameHandler.frameStart-this.effectStart>this.lifespan)},effectValue:function b(d){var c=d-((d/this.lifespan)*(GameHandler.frameStart-this.effectStart));if(c<0){c=0}else{if(c>d){c=d}}return c}})})();(function(){Game.Preloader=function(){this.images=new Array();return this};Game.Preloader.prototype={images:null,callback:null,counter:0,addImage:function b(c,d){var e=this;c.url=d;c.onload=function(){e.counter++;if(e.counter===e.images.length){e.callback.call(e)}};this.images.push(c)},onLoadCallback:function a(e){this.counter=0;this.callback=e;for(var d=0,c=this.images.length;d<c;d++){this.images[d].src=this.images[d].url}}}})();Game.drawText=function(e,b,c,a,f,d){e.save();if(d){e.strokeStyle=d}e.font=c;e.strokeText(b,a,f);e.restore()};Game.centerDrawText=function(d,a,b,e,c){d.save();if(c){d.strokeStyle=c}d.font=b;d.strokeText(a,(GameHandler.width-d.measureText(a).width)/2,e);d.restore()};Game.fillText=function(e,b,c,a,f,d){e.save();if(d){e.fillStyle=d}e.font=c;e.fillText(b,a,f);e.restore()};Game.centerFillText=function(d,a,b,e,c){d.save();if(c){d.fillStyle=c}d.font=b;d.fillText(a,(GameHandler.width-d.measureText(a).width)/2,e);d.restore()};Game.Util={};Game.Util.renderImage=function renderImage(c,f,b,h,e,a,g,d){c.drawImage(f,b,h,e,e,a,g,d,d);if(a<0){c.drawImage(f,b,h,e,e,GameHandler.width+a,g,d,d)}if(g<0){c.drawImage(f,b,h,e,e,a,GameHandler.height+g,d,d)}if(a<0&&g<0){c.drawImage(f,b,h,e,e,GameHandler.width+a,GameHandler.height+g,d,d)}if(a+d>GameHandler.width){c.drawImage(f,b,h,e,e,a-GameHandler.width,g,d,d)}if(g+d>GameHandler.height){c.drawImage(f,b,h,e,e,a,g-GameHandler.height,d,d)}if(a+d>GameHandler.width&&g+d>GameHandler.height){c.drawImage(f,b,h,e,e,a-GameHandler.width,g-GameHandler.height,d,d)}};Game.Util.renderImageRotated=function renderImageRotated(k,b,g,f,i,d,a){var c=i*0.5,e=d*0.5;var j=function(l,h){k.save();k.translate(l,h);k.rotate(a);k.drawImage(b,-c,-e);k.restore()};j.call(this,g,f);if(g-c<0){j.call(this,GameHandler.width+g,f)}if(f-e<0){j.call(this,g,GameHandler.height+f)}if(g-c<0&&f-e<0){j.call(this,GameHandler.width+g,GameHandler.height+f)}if(g-c+i>GameHandler.width){j.call(this,g-GameHandler.width,f)}if(f-e+d>GameHandler.height){j.call(this,g,f-GameHandler.height)}if(g-c+i>GameHandler.width&&f-e+d>GameHandler.height){j.call(this,g-GameHandler.width,f-GameHandler.height)}};(function(){Game.Prerenderer=function(){this.images=[];this._renderers=[];return this};Game.Prerenderer.prototype={images:null,_renderers:null,addRenderer:function a(c,d){this._renderers[d]=c},execute:function b(){var c=document.createElement("canvas");for(var d in this._renderers){this.images[d]=this._renderers[d].call(this,c)}}}})();window.requestAnimFrame=(function(){return window.requestAnimationFrame||window.webkitRequestAnimationFrame||window.mozRequestAnimationFrame||window.oRequestAnimationFrame||window.msRequestAnimationFrame||function(b,a){window.setTimeout(b,a)}})();