flash on 2012-6-29

by kevin-chen 29 Jun 2012

Embed

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

/**
TEST 
KEVIN-CHEN@FOXMAIL.COM
From China
**/
package {
    import flash.geom.Point;
    import flash.events.TimerEvent;
    import flash.utils.Timer;
    import flash.display.Sprite;
    
    public class FlashTest extends Sprite {
        public function FlashTest() {
            // write as3 code here..
            init()
        }
        
        private var list:Vector.<RotationBox>
        private function init():void
        {
            list=new Vector.<RotationBox>()
           for(var i:int=0;i<200;i++)
           {
               var box:RotationBox=new RotationBox(new Point(150+Math.random()*150,150+Math.random()*150))
               this.addChild(box)
               list.push(box)
           }
            var timer:Timer=new Timer(1000/30)
            timer.addEventListener(TimerEvent.TIMER,timerHandler)
            timer.start();
        }
        private function timerHandler(e:TimerEvent):void
        {
          for each(var box:RotationBox in list)
          {
              box.render()
          }
        }
    }
}
import flash.geom.Point;
import flash.display.Sprite;


class RotationBox extends Sprite
{
    private var centerPoint:Point
    public function RotationBox(centerPoint:Point):void
    {
        this.centerPoint=centerPoint
        init()
    }
    private var box:Sprite
    private function init():void
    {
        box=new Sprite()
        this.addChild(box)
        var size:int=Math.random()*20
        box.graphics.beginFill(Math.random()*uint.MAX_VALUE,0.5)
        box.graphics.drawCircle(-size/2,-size/2,size)
        box.graphics.endFill()
        speed=Math.random()*(180/Math.PI)
        radius=Math.random()*200
    }
    private var speed:Number
    private var radius:int
    public function render():void
    {
        box.x=this.centerPoint.x+Math.sin(speed)*radius
        box.y=this.centerPoint.y+Math.cos(speed)*radius
        box.rotationZ=Math.cos(speed)*50
        box.rotationY=Math.sin(speed)*50
        speed+=0.1
    }

}