Flash ActionScript 3.0 细雨涟漪

最新推荐文章于 2020-06-01 18:27:19 发布

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最新推荐文章于 2020-06-01 18:27:19 发布

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分类专栏： flash 文章标签： flash actionscript 3.0

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Flash ActionScript 3.0 细雨涟漪

//帧速率设置为80
stage.frameRate = 80;
//涟漪函数
function ripple(X:Number,Y:Number )
{
    var mc:MovieClip =new MovieClip();
    addChild(mc);
    mc.x = X;
    mc.y = Y;
    mc.graphics.lineStyle(0.5,0xbbffff,0.6);
    mc.graphics.drawEllipse(-1,-0.3,2,0.6);
    mc.graphics.endFill();
    mc.addEventListener(Event.ENTER_FRAME ,fun);
    var v0 = 0.5 + 0.3 * Math.random();
    function fun(e)
    {
       mc.scaleX = mc.scaleY +=  v0;
       mc.alpha > 0 ? mc.alpha -=  0.02:[mc.removeEventListener(Event.ENTER_FRAME,fun),removeChild(mc),mc = null];
    }
}
//下雨函数
function rain()
{
    var mc:MovieClip =new MovieClip();
    mc.graphics.beginFill(0xbbffff,0.8);
    mc.graphics.drawEllipse(-0.5,-2,2,5);
    addChild(mc);
    mc.scaleX = mc.scaleY = 0.7 + 0.3 * Math.random();
    var x0 = mc.x = Math.random() * 550;
    mc.y = -10 - 20 * Math.random();
    mc.addEventListener(Event.ENTER_FRAME ,rainfun);
    var y0 = 300 + 250 * Math.random();
    function rainfun(e)
    {
        if (mc.y < y0)
        {
            mc.y +=  5;
        }
            else
        {
            mc.removeEventListener(Event.ENTER_FRAME ,rainfun);
            removeChild(mc);
            mc = null;
            ripple(x0,y0); 
        }
    }
}
var t:Timer = new Timer(50,0);
t.addEventListener(TimerEvent.TIMER,tfun);
t.start();
function tfun(e)
{
    rain(); 
}

vansburn

2014/05/20