package {
    import flash.geom.Point;
    import flash.filters.BlurFilter;
    import flash.events.Event;
    import flash.display.Bitmap;
    import flash.display.BitmapData;
    import flash.display.MovieClip;
    import flash.display.Sprite;
    [SWF(width=465, height=465, backgroundColor=0,frameRate=60)]
    public class FlashTest extends Sprite {
        private var mySprite:Sprite
        private var topSprite:Sprite
        private var bitmapData:BitmapData
        private var blur:BlurFilter
        private var timedDel:int=0
        public function FlashTest() {
            // write as3 code here..
            mySprite=new Sprite()
            topSprite=new Sprite()
            blur=new BlurFilter();
            addChild(mySprite);
            for(var i:int=0;i<100;i++){
                var myOrb:orb=new orb(Math.random()*465,Math.random()*465,topSprite);
                mySprite.addChild(myOrb);
            }
            bitmapData=new BitmapData(465,465,true,0x000000);
            var bitmap:Bitmap=new Bitmap(bitmapData);
           addChild(bitmap)
           addChild(topSprite)
           addEventListener(Event.ENTER_FRAME,doStuffs)
        }
        private function doStuffs(e:Event):void{
            timedDel++
            if(timedDel%3==0){
            topSprite.graphics.clear();
            }
           bitmapData.draw(mySprite);
            bitmapData.applyFilter(bitmapData,bitmapData.rect,new Point(0,0),blur);
            
        }

}

}
import flash.events.Event;
import flash.display.MovieClip;
import flash.display.Sprite;
class orb extends MovieClip{
    private var drawSprite:Sprite
    public function orb(posx:Number,posy:Number,tgtSprite:Sprite){
        x=posx
        y=posy
        drawSprite=tgtSprite
        this.addEventListener(Event.ENTER_FRAME,render)
    }
    private function render(e:Event):void{
        var range:int=Math.pow(e.target.x-e.target.root.mouseX,2)+Math.pow(e.target.y-e.target.root.mouseY,2)
        this.graphics.clear()
        if(range<10000){
            
            var lineAlpha:Number=1-(range/10000);
            //circle
            this.graphics.lineStyle(1,0xFFFFFF,lineAlpha);
            this.graphics.drawCircle(0,0,5*lineAlpha);
            //the leg
            e.target.drawSprite.graphics.lineStyle(1,0xFFFFFF,lineAlpha)
            e.target.drawSprite.graphics.moveTo(e.target.x,e.target.y);
            e.target.drawSprite.graphics.lineTo(e.target.root.mouseX,e.target.root.mouseY);
        }

}

emitting laser orbs