2012.11.5-actionscript- ball moving movieclip rotate

    import flash.events.TimerEvent;
    import flash.utils.Timer;


var timer:Timer = new Timer(10,0);


timer.start();
timer.addEventListener(TimerEvent.TIMER, updateTime);



function updateTime(e:TimerEvent):void{

  if(!excess()){

   ball.x+=dx;
   ball.y+=dy;
   ball.rotation=angle;

  }
}