霓虹灯的制作

                                                                霓虹灯的制作

package
{
 import flash.display.Sprite;
 import flash.events.Event;
 import flash.geom.ColorTransform;
 public class SampleColor extends Sprite
 {
  public function SampleColor()
  {
   for (var i:int=0; i < 50; i++)
   {
    initSp();
   }
  }
  private function initSp():void
  {
   var sp = new Sprite  ;
   sp.graphics.beginFill(0x0000ff);
   sp.graphics.drawCircle(0,0,5);
   sp.graphics.endFill();
   addChild(sp);
   sp.x = 200;
   sp.y = 200;
   sp.addEventListener(Event.ENTER_FRAME,trans);
   function trans(evt:Event):void
   {
    var trans:ColorTransform = new ColorTransform  ;
    trans.color = RandRGB();
    sp.transform.colorTransform = trans;
    sp.x = Math.random() * 800;
    sp.y = Math.random() * 400;
   }
  }
  private function RandRGB():uint
  {
   return (Math.random() * 0xffffff + 0x000000);
  }
 }
}