I've posted the wip of this in the wip section before, but now that I've added a huge set of balls (!) I consider it finished. The colors illuminating from the cannonballs can be both a lightsource and an indication of which base the player is in (if used in a teambased mod like UT3 CTF)
[Blocked Image: http://www.claeng.com/__forumpublish/cannon03.jpg]