flex 3d旋转

<?xml version="1.0" encoding="utf-8"?>

<s:WindowedApplication xmlns:fx="http://ns.adobe.com/mxml/2009" 

					   xmlns:s="library://ns.adobe.com/flex/spark" 

					   xmlns:mx="library://ns.adobe.com/flex/mx" width="800" height="500" 

					   creationComplete="windowedapplication1_creationCompleteHandler(event)">

	<fx:Script>

		<![CDATA[

			import com.greensock.TweenLite;

			import com.greensock.easing.*;

			

			import mx.events.FlexEvent;

			// variable declarations ------------------------------------

			private var timer:Number = 0;

			

			private var radius:Number = 300;

			private var _cosAngle:Number;

			private var _sinAngle:Number;

			// getter/setters -------------------------------------------

			// helper methods -------------------------------------------

			// event handlers -------------------------------------------			

			protected function windowedapplication1_creationCompleteHandler(event:FlexEvent):void

			{

				addEventListener(Event.ENTER_FRAME,onFrame);

			}

			

			

			protected function onFrame(event:Event):void

			{

				_cosAngle = Math.cos(timer/100);

				_sinAngle = Math.sin(timer/100);

				if(timer % 1 == 0){

					

					var xPos:Number = radius * _cosAngle - radius * _sinAngle;

					var zPos:Number = radius * _cosAngle + radius * _sinAngle;

					img.x = xPos + 500;

					img.z = zPos + 400;

					img.rotationY = -timer*100/180+30;

					//TweenLite.to(img,1,{x:(xPos+400),z:(zPos+400)});

				}

				timer++;

				//trace(posX);

			}

			

		]]>

	</fx:Script>

	

	<fx:Declarations>

		<!-- Place non-visual elements (e.g., services, value objects) here -->

	</fx:Declarations>

	<s:Image id="img" y="380" source="assets/cc.jpg"/>

</s:WindowedApplication>