3D旋转效果 舞台有个影片剪辑mc

import flash.geom.Point;



stage.addEventListener(MouseEvent.MOUSE_DOWN,mdHandler);

stage.addEventListener(MouseEvent.MOUSE_UP,muHandler);

stage.addEventListener(MouseEvent.MOUSE_WHEEL, mouseWheelHandler);



var downPoint:Point=new Point;



function mdHandler(e:MouseEvent):void

{

	stage.addEventListener(MouseEvent.MOUSE_MOVE,mmHandler);

	//记录初始鼠标按下点

	downPoint.x = mouseX;

	downPoint.y = mouseY;

}

function mmHandler(e:MouseEvent):void

{

	//计算鼠标拖动到点的坐标和鼠标按下点之间的距离

	//鼠标目前所在的点减去鼠标初始点返回一个新的点

	/*	subtract()方法	 

		public function subtract(v:Point):Point

		从此点的坐标中减去另一个点的坐标以创建一个新点。

		参数:v:Point — 要减去的点。

		返回:Point — 新点。

	*/

	var temPoint:Point = new Point(mouseX,mouseY).subtract(downPoint);

	trace(temPoint)

	mc.rotationX +=  temPoint.y;

	mc.rotationY -=  temPoint.x;

	//再把这个点当初始点

	downPoint.x = mouseX;

	downPoint.y = mouseY;

}

//滚动鼠标滑轮事件

function mouseWheelHandler(e:MouseEvent):void

{

	mc.z -=  e.delta * 10;

}

function muHandler(e:MouseEvent):void

{

	stage.removeEventListener(MouseEvent.MOUSE_MOVE,mmHandler);

}