用flash轻松制作鼠标点击发散特效动画_flash教程

/* 定义四个全局变量，定义位置 */
_global.gLEFT = 0;
_global.gTOP = 0;
_global.gRIGHT = Stage.width;
_global.gBOTTOM = Stage.height;

/* ５个变量定义元件的速度、最大、最小、数量*/
var maxSpeed:Number = 25;
var minSize:Number = 4;
var maxSize:Number = 10;
var minFragments:Number = 50;
var maxFragments:Number = 150;

/* 在最大和最小之间返回一个数的函数 */
function randRange(min:Number, max:Number):Number {
var randomNum:Number = Math.floor(Math.random() * (max - min 1)) min;
return randomNum;
}

/* 主程式片段 */
onMouseDown = function():Void {
var totalFragments:Number = randRange(minFragments, maxFragments);
var fragment_mc:MovieClip;
var depth:Number = this.getNextHighestDepth();

for (var i:Number = 0; i < totalFragments; i , depth ) {
fragment_mc = attachMovie("Fragment", "fragment" depth, depth);
fragment_mc._x = _xmouse;
fragment_mc._y = _ymouse;
fragment_mc._width = fragment_mc._height = randRange(minSize, maxSize);
while(!fragment_mc.speedX) {
fragment_mc.speedX = randRange(-maxSpeed, maxSpeed);
}
while(!fragment_mc.speedY) {
fragment_mc.speedY = randRange(-maxSpeed, maxSpeed);
}
fragment_mc._alpha = randRange(10, 100);
fragment_mc.cacheAsBitmap = true;

fragment_mc.onEnterFrame = function():Void {
this._x = this.speedX;
this._y = this.speedY;

if (this._x < gLEFT || this._x > gRIGHT || this._y < gTOP || this._y > gBOTTOM) {
this.removeMovieClip();
}
};
}
};