flash AS3.0代码打造逼真涟漪

stage.frameRate=80;

function init(x1:Number,y1:Number) {

var mc:MovieClip=new MovieClip();

addChildAt(mc,1);

mc.x=x1;

mc.y=y1;

mc.graphics.lineStyle(0.5,0xbbffff,0.6);

mc.graphics.drawEllie(-1,-0.3,2,0.6);

mc.addEventListener(Event.ENTER_FRAME,frame);

var v0=0.5+0.3*Math.random();

function frame(e) {

mc.scaleX=mc.scaleY+=v0;

mc.alpha>0?mc.alpha-=0.02:[mc.removeEventListener(Event.ENTER_FRAME,frame),removeChild(mc),mc=null];

}

}

function xiayu() {

var timer:Timer=new Timer(200,2);

timer.addEventListener(TimerEvent.TIMER,onTimer);

var mc:MovieClip=new MovieClip();

mc.graphics.beginFill(0xbbffff,0.8);

mc.graphics.drawEllipse(-0.5,-2,1,4);

addChildAt(mc,1);

mc.scaleX=mc.scaleY=0.7+0.3*Math.random();

var x0=mc.x=50+Math.random()*450;

mc.y=-10-20*Math.random();

var y0=30+350*Math.random();

mc.addEventListener(Event.ENTER_FRAME,frameB);

function frameB(e) {

if (mc.y
mc.y+=5;

} else {

mc.removeEventListener(Event.ENTER_FRAME,frameB);

removeChild(mc);

mc=null;

init(x0,y0);

timer.start();

}

}

function onTimer(e) {

init(x0,y0);

}

}

var t:Timer=new Timer(100,0);

t.addEventListener(TimerEvent.TIMER,onT);

t.start();

function onT(e) {

xiayu();

xiayu();

}

var tu:Hehua=new Hehua();

addChild(tu);

var kj:MovieClip=new Kj ;

addChild(kj);