一个Flash实现的图形效果

var radius:int=100;
var numPoints:Number=30;
var points:Array=new Array();
var pre_r:Number=Math.PI*0.001;
var centX:Number=stage.stageWidth*0.5;
var centY:Number=stage.stageHeight*0.5;
var myTimer:Timer=new Timer(10,0);
myTimer.addEventListener(TimerEvent.TIMER,myTimer_timer_handler);
myTimer.start();
var fff=Math.round(Math.random()*1000000).toString(10);
var gf:GlowFilter=new GlowFilter();
gf.blurX=gf.blurY=10;
gf.color=0x3399ff + parseInt(fff,16);
this.filters=[gf] ;
var radians:Number=0;
var color:Number=0x3399ff +parseInt(fff,16);
function myTimer_timer_handler(e:Event) {
	test();
}
function test() {
	graphics.clear();
	points=[]  ;
	radians+=pre_r   
	  ;
	for (var i:Number=1; i<numPoints; i+=1) {
		var fff=Math.round(Math.random()*1000000).toString(10);
		var color:Number=0x3399ff +parseInt(fff,16);
		var p:Point=new Point();
		p.x=centX+Math.cos(radians*i)*radius ;
		p.y=centY+Math.sin(radians*i)*radius ;
		points.push(p);
	}
	graphics.lineStyle(Math.round(Math.random()*5),color,Math.random());
	graphics.moveTo(centX,centY);
	for (i=2; i<numPoints-2; i+=1) {
		graphics.curveTo(points[i-1].x,points[i-1].y,points[i].x,points[i].y);
		graphics.curveTo(points[i+1].x,points[i+1].y,centX,centY);
	}
}

截取动画的5张图片