forked from: 原形視覚化

by bradsedito 11 Mar 2012
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sound
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// forked from Jjoriping's 原形視覚化
package {
    import flash.events.MouseEvent;
    import flash.display.MovieClip;
    import flash.text.TextFormat;
    import flash.text.TextField;
    import flash.events.ProgressEvent;
    import flash.net.URLRequest;
    import flash.events.Event;
    import flash.media.SoundChannel;
    import flash.media.Sound;
    import flash.display.Sprite;
    
    public class FlashTest extends Sprite {
        public function FlashTest() {
            stage.quality = "low";
            
            graphics.beginFill(0);
            graphics.drawRect(-1024,-1024,2048,2048);
            var changeTimer:uint;
            var traceText:TextField = new TextField();
            var traceTextFormat:TextFormat = new TextFormat("Malgun Gothic",12,0xFFFFFF);
            traceText.autoSize = "left";
            traceText.selectable = false;
            traceText.defaultTextFormat = traceTextFormat;
            function trace(arg:*):void{
                traceText.text = arg;
            }
            var VS:Sprite = new Sprite();
            addChild(VS);
            addChild(traceText);
            var whiteSprite:Sprite = new Sprite();
            whiteSprite.visible = false;
            addChild(whiteSprite);
            
            var colorArray:Array = [[0x5555FF,0xFFFF00,0x00FFFF],[0xFF5555,0x7777FF,0xFF7777],[0x55FF55,0xDD77DD,0x77FF77]];
            var colorIndex:uint = 0;
            var chosenColor:Array = colorArray[colorIndex];
            
            var BGM:Sound = new Sound(new URLRequest("http://Jjoriping.ufree.kr/download/example3.mp3"));
            var BGC:SoundChannel = new SoundChannel();
            BGM.addEventListener(ProgressEvent.PROGRESS,bgmLoadingHandler);
            BGM.addEventListener(Event.COMPLETE,bgmCompleteHandler);
            function bgmLoadingHandler(e:ProgressEvent):void{
                trace("Loading... "+int(e.bytesLoaded/e.bytesTotal*100)+"%");
            }
            stage.addEventListener(MouseEvent.MOUSE_DOWN,mouseDownHandler);
            function mouseDownHandler(e:MouseEvent):void{
                changeColor();
                changeForm();
            }
            function changeColor():void{
                colorIndex++;
                if(colorIndex >= colorArray.length){
                    colorIndex = 0;
                }
                chosenColor = colorArray[colorIndex];
                updateWhiteSprite();
            }
            function updateWhiteSprite():void{
                whiteSprite.graphics.clear();
                whiteSprite.graphics.beginFill(chosenColor[0],0.5);
                whiteSprite.graphics.drawRect(-2048,-2048,4096,4096);
            }
            function bgmCompleteHandler(e:Event):void{
                trace("");
                BGC = BGM.play();
                changeTimer = 250;
                whiteSprite.visible = true;
                updateWhiteSprite();
                addEventListener(Event.ENTER_FRAME,enterFrameHandler);
            }
            
            var nowPeak:Number;
            var targetZ:Number = 0;
            function enterFrameHandler(e:Event):void{
                nowPeak = (BGC.leftPeak+BGC.rightPeak)/2;
                newCircle(int(nowPeak*3.2));
                changeTimer--;
                if(changeTimer == 0){
                    changeForm();
                }
                whiteSprite.alpha = nowPeak/2;
                targetZ = nowPeak*1500;
                VS.z += (targetZ-VS.z)/3;
            }
            var moveDir:Array = [0,1];
            function changeForm():void{
                changeTimer = 250;
                moveDir = [Math.random()*6-3,Math.random()*6-3];
            }

            function newCircle(num:uint):void{
                for(var i:uint=0;i<num;i++){
                    var nC:MovieClip = new MovieClip();
                    nC.graphics.beginFill(chosenColor[1],0.4);
                    nC.graphics.drawCircle(Math.random()*2000-1000,Math.random()*2000-1000,nowPeak*170);
                    VS.addChild(nC);
                    nC.addEventListener(Event.ENTER_FRAME,sEFHandler);
                    var nCi:Sprite = new Sprite();
                    nC.nCi = nCi;
                    nC.addChild(nCi);
                }
            }

            function sEFHandler(e:Event):void{
                e.target.x += nowPeak*20*moveDir[0];
                e.target.y += nowPeak*20*moveDir[1];
                e.target.alpha -= nowPeak/10;
                e.target.nCi.graphics.beginFill(chosenColor[2],0.3);
                e.target.nCi.graphics.drawCircle(Math.random()*2000-1000,Math.random()*2000-1000,nowPeak*30);
                if(e.target.alpha <= 0){
                    e.target.removeEventListener(Event.ENTER_FRAME,sEFHandler);
                    VS.removeChild(VS.getChildByName(e.target.name));
                }
            }
        }
    }
}