Flash AS3制作茶杯震动gif动画效果

var coordX:Number = shaker_mc.x;
var coordY:Number = shaker_mc.y;
var timer:Timer = new Timer(10);</p><p>shaker_mc.buttonMode = true;</p><p>shaker_mc.addEventListener(MouseEvent.ROLL_OVER,startShake);
shaker_mc.addEventListener(MouseEvent.ROLL_OUT,stopShake);
timer.addEventListener(TimerEvent.TIMER, shakeImage);

function startShake(e:MouseEvent):void{
timer.start ()
}function stopShake(e:MouseEvent):void{
timer.stop();
shaker_mc.x = coordX;
shaker_mc.y = coordY;
shaker_mc.rotation = 0;
}function shakeImage(event:Event):void {
shaker_mc.x = coordX+ getMinusOrPlus()*(Math.random()*5);
shaker_mc.y = coordY+ getMinusOrPlus()*(Math.random()*5);
shaker_mc.rotation = getMinusOrPlus()* Math.random()*6;
} function getMinusOrPlus():int{
var rand : Number = Math.random()*2;
if (rand<1) return -1
else return 1;
}