超强的粒子特效

超强的粒子特效，效果非常好，和大家分享：

#initclip 1
function PoolClass()
{
    this.stick = {x: 300, y: 169};
    this.onEnterFrame = this.dragStick;
} // End of the function
PoolClass.prototype = new MovieClip();
PoolClass.prototype.dragStick = function ()
{
    if (this.stick.x < 0)
    {
        this.stick.vx = this.stick.vx + 4 * Math.random();
    }
    else if (this.stick.x > 600)
    {
        this.stick.vx = this.stick.vx - 4 * Math.random();
    }
    else
    {
        this.stick.vx = this.stick.vx + (Math.random() - Math.random()) * 4;
    } // end else if
    if (this.stick.y < 0)
    {
        this.stick.vy = this.stick.vy + 4 * Math.random();
    }
    else if (this.stick.y > 337)
    {
        this.stick.vy = this.stick.vy - 4 * Math.random();
    }
    else
    {
        this.stick.vy = this.stick.vy + (Math.random() - Math.random()) * 4;
    } // end else if
    this.stick.x = this.stick.x + this.stick.vx;
    this.stick.y = this.stick.y + this.stick.vy;
    this.stick.vx = this.stick.vx * 8.000000E-001;
    this.stick.vy = this.stick.vy * 8.000000E-001;
    this.createNode(random(600), random(337), this.stick.x, this.stick.y, 7 + random(13));
};
PoolClass.prototype.createRandomNode = function ()
{
    var x = random(600);
    var y = random(337);
    var dx = this._xmouse;
    var dy = this._ymouse;
    var ds = 10 + random(20);
    this.createNode(x, y, dx, dy, ds);
};
PoolClass.prototype.createNode = function (x, y, dx, dy, ds)
{
    var nombre = "nd" + String(this.depth++);
    var neo = this.attachMovie("node", nombre, this.depth);
    neo._x = x;
    neo._y = y;
    neo.dx = dx;
    neo.dy = dy;
    neo.body._xscale = ds;
    neo.body._yscale = ds;
};
Object.registerClass("pool", PoolClass);
#endinitclip
源文件下载： 粒子特效.rar