forked from: flash on 2010-3-22

/**
 * Copyright yangliu9812 ( http://wonderfl.net/user/yangliu9812 )
 * MIT License ( http://www.opensource.org/licenses/mit-license.php )
 * Downloaded from: http://wonderfl.net/c/mtfN
 */

// forked from tomrx's flash on 2010-3-22
package {
    import flash.display.Sprite;
    import flash.events.Event;
    public class FlashTest extends Sprite {
            private var sp1:Sprite;
           private var sp2:Sprite;
           private var mx:int=0;;
           private var vx:int=1;
        public function FlashTest() {
            // write as3 code here..
            sp1=new Sprite();
            sp2=new Sprite();
            sp1.graphics.lineStyle(1,0);
            sp2.graphics.lineStyle(1,0);
            for(var i:int=0;i<60;i++){
            sp1.graphics.drawCircle(230,230,10+i*3);
            sp2.graphics.drawCircle(230,230,10+i*3);
            }
            stage.addChild(sp1);
            stage.addChild(sp2);
            addEventListener(Event.ENTER_FRAME, onFrame);
            
        }
        private function onFrame(event:Event):void{
                  sp2.x=mx;
                mx=mx+vx;
                if(mx>50){vx=-vx;}
                if(mx<-50){vx=-vx;}
        }
    }
}