as3翻牌动画

1: import com.greensock.*;

       2: import com.greensock.easing.*;

       3:  

       4: //startValues for the card back

       5: flipper.back.rotationY = -90;

       6: flipper.back.alpha=0;

       7:  

       8: //speed of 90 degrees of flip

       9: var flipSpeed:Number = .5; 

      10:  

      11: //create TimelineMax instance

      12: var tl:TimelineMax = new TimelineMax({paused:true});

      13:  

      14: //flip the front 90 degrees

      15: tl.append(TweenMax.to(flipper.front, flipSpeed, {rotationY:90, visible:false, ease:Linear.easeNone}))

      16:  

      17: //set the back to alpha of 0 as soon as front finishes

      18: tl.append(TweenMax.to(flipper.back, 0, {alpha:1, immediateRender:false}))

      19:  

      20: //flip the back 90 degrees

      21: tl.append(TweenMax.to(flipper.back, flipSpeed, {rotationY:0, ease:Linear.easeNone}))

      22:  

      23: //basic button code

      24: flip1_mc.addEventListener(MouseEvent.CLICK, flip1);

      25:  

      26: function flip1(e:MouseEvent){

      27: // play to the beginning of the timeline

      28:     tl.tweenTo(0);

      29: }

      30:  

      31: flip2_mc.addEventListener(MouseEvent.CLICK, flip2);

      32: function flip2(e:MouseEvent){

      33: // play to the end of the timeline

      34:     tl.tweenTo(tl.duration);

      35: }