Request: Gradius Style Options
 

Does anyone know how I can make options that follow the player, like they do in Gradius. I've tried to figure this out, but I think this may involve some unusual and complex math. :(

[URL="http://www.youtube.com/watch?v=FmX7vE8t7Ys#t=23s"][B]Here[/B][/URL] is an example. The options are the little glowing circles that follow the player's ship. Notice how they follow the ship like a trail.