package {



        import flash.display.MovieClip;

        import flash.geom.ColorTransform;

        import flash.events.*;



        public class Star extends MovieClip {



                private var starColor:uint;

                private var starRotation:Number;



                public function Star () {



                        //Calculate a random color

                        this.starColor = Math.random() * 0xffffff;



                        // Get access to the ColorTransform instance associated with star.

                        var colorInfo:ColorTransform = this.transform.colorTransform;



                        // Set the color of the ColorTransform object.

                        colorInfo.color = this.starColor;



                        // apply the color to the star

                        this.transform.colorTransform = colorInfo;



                        //Assign a random alpha for the star

                        this.alpha = Math.random();



                        //Assign a random rotation speed

                        this.starRotation =  Math.random() * 10 - 5;



                        //Assign a random scale

                        this.scaleX = Math.random();

                        this.scaleY = this.scaleX;



                        //Add ENTER_FRAME where we do the animation

                        addEventListener(Event.ENTER_FRAME, rotateStar);

                }



                //This function is responsible for the rotation of the star

                private function rotateStar(e:Event):void {

                        this.rotation += this.starRotation;

                }

        }

}

for (var i = 0; i < 100; i++) {

        var star:Star = new Star();

        star.x = stage.stageWidth * Math.random();

        star.y = stage.stageHeight * Math.random();

        addChild (star);

}