Flash气泡回弹效果

      好久没有碰过Flash了，今天温习一下AS3.0，做了一个回弹效果，气泡回弹
本想着怎么可以定义气泡的不同颜色，这样可以做出更绚丽的效果，或者更进步一，气泡和气泡直接回弹，想了老半天没有想出来，就先这样，等有更好的方案时候在更新

效果图片

 as代码

package 
{
    import flash.display.Sprite;
    import flash.events.Event;
    import flash.display.StageAlign;
    import flash.display.StageScaleMode;
    public class bubble extends Sprite
    {
        public var count:int =6;
        public var balls:Array;
        public function bubble ()
        {
            init ();
        }
        private function init ():void
        {
            stage.align = StageAlign.LEFT;
            stage.scaleMode = StageScaleMode.NO_SCALE;
            balls = new Array  ;
            for (var i = 0; i <= count; i++) {
                var ball = new Ball();
                //ball.alpha = Math.random();
                
                ball.x = Math.random() * stage.stageWidth;
                ball.y = Math.random() * stage.stageHeight;
                ball.vx = Math.random() * 3 - 3;
                ball.vy = Math.random() * 3 - 3;
                addChild (ball);
                balls.push (ball);
            }
            addEventListener (Event.ENTER_FRAME,onEnterFrame);

        }
        private function onEnterFrame (event:Event):void
        {


            var left = 0;
            var top = 0;
            var bottom = stage.stageHeight;
            var right = stage.stageWidth;

            for (var i:Number = balls.length - 1; i >= 0; i--) {

                var ball = balls[i];
                var radius:Number = ball.width / 2;
                ball.x += ball.vx;
                ball.y+=ball.vy;
                if (ball.x>right-radius) {
                    ball.x=right-radius;
                    ball.vx*=-1;
                }
                if (ball.x<radius) {
                    ball.x=radius;
                    ball.vx*=-1;
                }
                if (ball.y>bottom-radius) {
                    ball.y=bottom-radius;
                    ball.vy*=-1;
                }
                if (ball.y<radius) {
                    ball.y=radius;
                    ball.vy*=-1;
                }

            }

        }

    }

}

文件下载
Flash回弹.rar