import mx.transitions.Tween; import mx.transitions.easing.*; import flash.filters.BlurFilter;        var i=0; var j=0; _root.btn.onRelease=function(){        ball = new Tween(pic, "_x", easeType, 20, 400,1.5, true);   onEnterFrame = function () {        lvjing = new BlurFilter();      if(pic._x>=100 && pic._x<=300 )         {   for(i=0;i<50;i++)                {lvjing.blurX =i;         pic.filters = [lvjing];                }         }         else if         (    pic._x<=350 && pic._x>300)         {     for(i;i>0;i--)                {lvjing.blurX =i;              pic.filters = [lvjing];                }                } }        } 关键使用  new Tween(pic, "_x", easeType, 20, 400,1.5, true); 缓冲函数   lvjing = new BlurFilter(); 模糊函数