Ummmm *putting up hand very hesitantly* I know that most of your math discussions go way, way over my head, but I thought there was one set up that you showed that could detect light direction, or at least when AO is concerned. If I'm wrong, please, please don't kick my ass *smirk*. Oh, by the way, I added these nodes to a hair shader last night and it looked quite nice.

"A lonely climber walks a tightrope to where dreams are born and never die!" - Billy Thorpe, song: Edge of Madness, album: East of Eden's Gate

Weapons of choice:

Poser Pro 2012, SR2, Paintshop Pro 8