Originally Posted By: ventilator
or a scrolling texture (entity.u/v) with the right alpha channel could work too.


This is my first idea, and after reading the rest, by far the best solution (when UV'd properly, and with a nice skin).
Ofcourse this can be enhandced by a little amount of particles or some other love... But it will not kill the framerate at all laugh

regards,

Formerly known as dennis_fantasy
Portfolio - http://www.designorhea.com/
Project - http://randomchance.cherrygames.org/