Photon! I'm a cool zippy light particle, not a measly nucleus pea.
Well it's not really texture mapping as we know it if it's a special case that can't be put on a poly of your choosing. It seems the Brainstorm one and the Storm one are non-perspective blitter routines, too. I liked the Spreadpoint one, they seemed to do it right, and they had shading, too. Horizon put that on a bunch of objects, but I'm not sure I saw a texmapped poly that was a tri, only quads?
Stencil vectors look good if you have many small polys, i.e. don't get close to objects. It would probably look not so good in a Dungeon Master type game
