AS 3.0缓动拖动

package{ importflash.display.DisplayObject; importflash.display.DisplayObjectContainer; importflash.display.MovieClip; importflash.events.MouseEvent; importflash.events.Event; publicclassLtouchScroll{ publicvartween:Number=0.3;//缓动0-1之间1为不缓动 publicvarmoveSetp:Number