flash on 2010-9-2

/**
 * Copyright Tamanegi_kenshi ( http://wonderfl.net/user/Tamanegi_kenshi )
 * MIT License ( http://www.opensource.org/licenses/mit-license.php )
 * Downloaded from: http://wonderfl.net/c/dnhJ
 */

package {
    import flash.display.Sprite;
    import flash.events.Event;
    
    [SWF(backgroundColor = 0x000000)]
    
    public class FlashTest extends Sprite {
        private var ballNum:int = 30;
        private var ballArr:Array = [];
        private var vx:Number;
        private var vy:Number;
        public function FlashTest() {
            init();            
        }
        private function init():void{
            for(var i:int = 0; i < ballNum; i++){
            var ball:Ball = new Ball();
            addChild(ball);
            ball.x = Math.random() * 465;
            ball.y = Math.random() * 465;
            
            ballArr.push(ball);
            }
            addEventListener(Event.ENTER_FRAME, onEn);
        }
        private function onEn(e:Event):void{
           
                spring(ballArr[0], ballArr[1]);
               
            

            
            
        }

        private function spring(b1:Ball, b2:Ball):void{
          var dx:Number = b2.x - b1.x;
            var dy:Number = b2.y - b1.y;
            var dist:Number = Math.sqrt(dx * dx + dy * dy);
            
            if(dist < 300){
                graphics.clear();
                graphics.lineStyle(1, 0xffffff, 1);
                graphics.moveTo(b1.x ,b1.y);
                graphics.lineTo(b2.x, b2.y);
                
                vx += (b2.x - b1.x) * 0.1;
                vy += (b2.y - b1.y) * 0.1;
                vx *= 0.9;
                vy *= 0.9;
                b1.x += vx;
                b1.y += vy;
                
            }else{
                graphics.clear();
            }


        }


    }
}
import flash.display.BlendMode;
import flash.filters.GlowFilter;
import flash.filters.BlurFilter;
import flash.events.Event;
import flash.display.AVM1Movie;
import flash.display.Sprite;
class Ball extends Sprite{
    public var vx:int = Math.floor(Math.random() * 10 - 5);
    public var vy:int = Math.floor(Math.random() * 10 - 5);
    public function Ball(){
        graphics.lineStyle(1, 0xffffff);
        graphics.drawCircle(0, 0, Math.random() * 10 + 10);
        graphics.endFill();
        
        this.filters = [new BlurFilter(2,2), new GlowFilter(Math.random() * 0xffffff, 1, 16, 16, 6)]
        this.blendMode = BlendMode.ADD;
        
        addEventListener(Event.ENTER_FRAME, onEnter);
    }
    private function onEnter(e:Event):void{
        this.x += vx;
        if(this.x > 465){
            this.x = 0;
        }
        if(this.x < 0){
            this.x = 465
        }

        this.y += vy;
        if(this.y > 465){
            this.y = 0;
        }
        if(this.y < 0){
            this.y = 465;
        }


    }


}