Falling Star Animation in Flash

Notice the following sample swf , This animation created only using script.This can be used for games , presentations etc

1. Create new Flash File (File->New or Ctrl + N) and Name it as FallingStars
2. Create one Moviclip called "star" 
3. Inside this movieclip draw circle and fill the Gradient .Please check the following figure for Gradient settings
   
   
4. Now come back to stage , select "star" Movieclip and give Instance name as "Star".
5. Now Open Action Layer(Press F9) , and paste the following code in this.
   
   
   
   
   onClipEvent(load){
   _x=175;
   _y=175;
   xmove=-10+Math.random()*20;
   ymove=-10+Math.random()*20;
   _xscale=_yscale=50;
   _alpha=0;
   }
   onClipEvent(enterFrame){
   _alpha+=5;
   _x+=xmove;
   _y+=ymove;
   
   if(this._x>300 or this._y>300 or this._x<0 or this._y<0)
   {
   this.removeMovieClip();
   }
   }
   
   
6. Now save the file and Run(Ctrl+Enter) ,You will get the final output

Download Source Code from here