?? ? ?好久沒有碰過Flash了，今天溫習(xí)一下AS3.0，做了一個回彈效果，氣泡回彈
本想著怎么可以定義氣泡的不同顏色，這樣可以做出更絢麗的效果，或者更進步一，氣泡和氣泡直接回彈，想了老半天沒有想出來，就先這樣，等有更好的方案時候在更新

效果圖片

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?as代碼

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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;
????????????????}

????????????}

????????}

????}

}

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文件下載
Flash回彈.rar?

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轉(zhuǎn)載于:https://www.cnblogs.com/clc2008/archive/2010/04/12/loaf.html

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