many Balls

by stylelab 
ループで親がballをトゥイーンさせるか、Ballクラスが自身でトゥイーンするか迷うんですが、大量系だと親がやった方が軽いのでしょうか。
♥0 | Line 53 | Modified 2011-06-28 17:26:03 | MIT License
play

ActionScript3 source code

/**
 * Copyright stylelab ( http://wonderfl.net/user/stylelab )
 * MIT License ( http://www.opensource.org/licenses/mit-license.php )
 * Downloaded from: http://wonderfl.net/c/qq1Z
 */

package {
    import flash.text.TextField;
    import flash.events.MouseEvent;
    import flash.events.Event;
    import caurina.transitions.Tweener;
    import flash.display.Sprite;
    import flash.display.Shape;
    import org.libspark.betweenas3.BetweenAS3;
    import org.libspark.betweenas3.easing.Expo;
    //import org.libspark.betweenas3.events.TweenEvent;
    
    public class FlashTest extends Sprite {
        private var sw:int;
        private var sh:int;
        private var ballNum:int=2000;
        private var ballSize:int=2;
        private var balls:Array=[];
        
        public function FlashTest() {
            addEventListener(Event.ADDED_TO_STAGE,init);
        }
        private function init(e:Event=null):void{
            sw=stage.stageWidth;
            sh=stage.stageHeight;
            
            createBall();
            stage.addEventListener(MouseEvent.CLICK,onClick);
        }
        
        private function createBall():void{
            for(var i:int=0;i<ballNum;i++){
                var ball:Ball=new Ball(ballSize,Math.random()*0xffffff);
                addChild(ball);
                ball.x=Math.random()*sw;
                ball.y=Math.random()*sh;
                balls.push(ball);
            }
        }
        private function onClick(e:MouseEvent):void{
            for(var i:int=0;i<ballNum;i++){
                BetweenAS3.tween(balls[i],{x:balls[i].x+Math.random()*200-100,y:balls[i].y+Math.random()*200-100},null,2,Expo.easeOut).play();
                //Tweener.addTween(balls[i],{x:balls[i].x+Math.random()*100-50,y:balls[i].y+Math.random()*100-50,time:3});
            }

        }



    }
}


import flash.display.Sprite;
import flash.display.Shape;
class Ball extends Sprite{
    public var col:uint;
    public var w:int;

    public function Ball(w:int,col:uint){
      var sp:Shape=new Shape();
      sp.graphics.beginFill(col);
      sp.graphics.drawCircle(0,0,w);
      sp.graphics.endFill();
      addChild(sp)
    }
  
}

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