flex百叶窗效果

effects\Blinds.as
JScript code
package effects
{
   
    import effects.effectClasses.BlindsInstance;
   
    import mx.controls.scrollClasses.ScrollBarDirection;
    import mx.effects.IEffectInstance;
    import mx.effects.TweenEffect;
   
    public class Blinds extends TweenEffect
    {
       
        private static var AFFECTED_PROPERTIES:Array = ["mask"];
       
        public function Blinds(target:Object=null)
        {
            super(target);
            instanceClass = BlindsInstance;
        }
       
        public var direction:String = ScrollBarDirection.VERTICAL;
       
        public var blindsfrom:Number;
       
        public var blindsTo:Number;
       
        public var gapfrom:Number;
       
        public var gapTo:Number;
       
        override public function getAffectedProperties():Array
        {
            return AFFECTED_PROPERTIES;
        }
       
  &