package {
    import flash.display.Sprite;
    import flash.events.Event;
    public class FlashTest extends Sprite {
        public var test :Sprite;
        public function FlashTest() {
            test = new Sprite();
            addChild(test);
            test.graphics.beginFill(0xff0000);
            test.graphics.drawRect(-50, -50, 100, 100);
            test.x = stage.stageWidth/2;
            test.y = stage.stageHeight/2;
            addEventListener(Event.ENTER_FRAME, onRenderTick);
        }
        private function onRenderTick(e:Event=null):void {
            test.rotationY++;
        }
    }
}