// forked from YasSo's うずまき
// write as3 code here..
package {
    import flash.display.*;
    import flash.events.Event;
    import flash.filters.*;

public class Test extends Sprite {
        private var center_x:Number;
        private var center_y:Number;
        private var n:Number;
        private var sps:Array;

public function Test() {
            addEventListener(Event.ADDED_TO_STAGE, init);
        }
        
        private function init(e:Event):void {
            center_x = stage.stageWidth/2;
            center_y = stage.stageHeight/2;
            addEventListener("enterFrame", draw);
            n = 0;
            sps = new Array();
            for (var i:Number = 0; i <= 360; i++) {
                var s:Sprite = new Sprite();
                sps.push(s);
                this.addChild(s);
            }
        }

private function draw(e:Event):void {
            var px:Number;
            var py:Number;
            if (++n >= 360) n = 0;
            for (var r:Number = 0; r <= 360; r++) {
                sps[r].graphics.clear();
                sps[r].graphics.lineStyle(1, 0x990000);
                var x:Number = Math.cos(r*3.14/180*n)*r;
                var y:Number = Math.sin(r*3.14/180*n)*r;
                if (r == 0) {
                    px = x;
                    py = y;
                }
                sps[r].graphics.moveTo(px+center_x, py+center_y);
                sps[r].graphics.lineTo(x+center_x, y+center_y);
                px = x;
                py = y;
                sps[r].blendMode = BlendMode.MULTIPLY;
                sps[r].alpha = Math.random();
                //sps[r].filters = [ new DropShadowFilter() ];
            }
            this.filters = [ new GlowFilter() ];
        }
    }
}

forked from: うずまき