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package motioncap {
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import flash.media.Video;
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import flash.events.StatusEvent;
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import flash.media.Camera;
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import flash.display.MovieClip;
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import flash.display.BitmapData;
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import flash.geom.Matrix;
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import flash.utils.Timer;
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import flash.events.TimerEvent;
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import flash.geom.Point;
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/**
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* @author dongkang 2008-02-25
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*/
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public class MotionCapture extends MovieClip {
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private var w:uint;
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private var h:uint;
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private var tolerance : Number;
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private var pixel:int;
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private var startbool:Boolean;
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private var cam : Camera;
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private var vid : Video;
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private var now:BitmapData;
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private var before:BitmapData;
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private var snaptimer:Timer;
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private var motiontimer:Timer;
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private var snapmat : Matrix;
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private var mainStage:Object;
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private var hit_arr:Array;
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private var fl_arr:Array;// 동작인식된 점의 저장 장소
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private var bbo:Boolean;
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public function MotionCapture(_root:Object,_hit_arr:Array) {
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bbo = false;
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mainStage = _root;
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hit_arr = _hit_arr;
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w = 480;
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h = 320;
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tolerance = 50;
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pixel = 10;
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startbool = false;
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cam = Camera.getCamera();
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cam.addEventListener(StatusEvent.STATUS, statushandler);
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vid = new Video();
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vid.attachCamera(cam);
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vid.visible = false;
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fl_arr = new Array();
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snaptimer = new Timer(100);
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motiontimer = new Timer(3000);
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}
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private function statushandler(e:StatusEvent):void
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{
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if(cam.muted){return;}
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cam.setMode(320,240,26,false);
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mainStage.addChild(vid);
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initialize();
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cam.removeEventListener(StatusEvent.STATUS, statushandler);
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}
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private function initialize():void
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{
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snaptimer.addEventListener("timer", timerhandler);
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snaptimer.start();
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motiontimer.addEventListener(TimerEvent.TIMER, onMotionCapture);
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motiontimer.start();
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snapmat = new Matrix();
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snapmat.scale(1.5,1.5);
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now = new BitmapData(w,h);
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var tim:Timer = new Timer(3000,10);
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tim.start();
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tim.addEventListener("timer",timhandler);
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tim.addEventListener(TimerEvent.TIMER_COMPLETE, timCompletehandler);
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}
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private function timCompletehandler(e:TimerEvent):void{
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//bbo = false;
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}
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private function timhandler(e:TimerEvent):void
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{
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bbo = true;
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}
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private function timerhandler(evt:TimerEvent):void
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{
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try{
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before = now.clone();
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now.draw(vid,snapmat);
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// 현재 snapshot 에 대한 픽셀을 저장한다.
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var nc:uint = new uint();
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// 색깔 채널값을 설정한다.
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var nr:Number = new Number();
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var ng:Number = new Number();
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var nb:Number = new Number();
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var nl:Number = new Number();
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// 각 채널에 대한 똑같은 값 지정
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var bc:uint = new uint();
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var br:Number = new Number();
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var bg:Number = new Number();
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var bb:Number = new Number();
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var bl:Number = new Number();
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// 두 밝기에 대한 차이를 저장한다.
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var d:Number = new Number();
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for(var xR:int=w; xR > 0;xR-=pixel)
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{
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for(var yR:int=1;yR<h;yR+=pixel)
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{
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nc=now.getPixel(xR,yR);
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//trace(nc.toString(16));
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nr=nc>>16&0xff;
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ng=nc>>8&0xff;
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nb=nc&0xff;
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nl=Math.sqrt(nr*nr + ng*ng + nb*nb);
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bc=before.getPixel(xR,yR);
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br=bc>>16&0xff;
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bg=bc>>8&0xff;
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bb=bc&0xff;
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bl=Math.sqrt(br*br + bg*bg + bb*bb);
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d=Math.round(Math.abs(bl-nl));
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if(d > tolerance)
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{
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if(bbo)
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{
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if(fl_arr.length < 2000)
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{
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var te:Ctext = new Ctext();
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te.x = xR;
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te.y = yR;
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addChild(te);
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fl_arr.push(te);
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}
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}
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}
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}
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}
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evt.updateAfterEvent();
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before = now.clone();
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}
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catch(e:TypeError)
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{
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}
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}
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private function onMotionCapture(e:TimerEvent):void {
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trace("전 점의 갯수 : "+fl_arr.length);
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var len:int = fl_arr.length *2;
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for (var q:int = 0; q < fl_arr.length; q++) {
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try{
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removeChild(fl_arr.pop());
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}
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catch(e:Error)
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{
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}
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}
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trace("후 점의 갯수 : "+fl_arr.length);
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}
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}
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}
