package { import flash.display.Sprite; import flash.events.Event; /** * ... * @author gka */ public class Bikes1 extends Sprite { private var bk:bike; private var t:Number = 0; public function Bikes1():void { bk = new bike(); bk.x = stage.stageWidth * .5; bk.y = stage.stageHeight * .5; addChild(bk); addEventListener(Event.ENTER_FRAME, animate); } private function animate(e:Event):void { t += .1; bk.scaleX = bk.scaleY = (Math.sin(t)+1) * 4 + 1; } } }