AS3挤压渐变效果

package ch13_1
{
	import fl.transitions.*;
	import fl.transitions.easing.*;
	
	import flash.display.Graphics;
	import flash.display.MovieClip;
	import flash.events.MouseEvent;
	
	public class SqueezeText extends MovieClip
	{
		public var  cv:MovieClip = new MovieClip();
		public var g:Graphics = cv.graphics;
		public var ct:MovieClip = new MovieClip();
		public function SqueezeText()
		{
			for(var i:uint =0;i<15;i++)
			{
				g.beginFill(0xFFFFFF*Math.random());
				g.drawRect(i*10,i*10,(15-i)*20,(15-i)*20);
				g.endFill();
			}
			
			ct.addChild(cv);
			cv.x =-cv.width/2;
			cv.y =-cv.height/2;
			addChild(ct);
			ct.x =stage.stageWidth/2;
			ct.y = stage.stageHeight/2;
		
		ct.addEventListener(MouseEvent.CLICK,rotation1);
	}
	private function rotation1(e:MouseEvent):void
	{
		TransitionManager.start(ct, {type:Squeeze, direction:Transition.IN, duration:2, easing:Elastic.easeOut, dimension:1}); 
		/*
		该实例应用 dimension 整数指定为垂直 (1) 的"挤压"过渡。
		过渡的内容目标为影片剪辑 ct。该 TransitionManager 实例将应用的效果：
		方向为 mx.transitions.Transition.IN、持续时间为 2 秒并且在 easeOut 的方向上有"弹性"缓动效果。
		*/
	}
	}
}