Gregory D Abram wrote: > > Before you do it for real, do a timing of a ton of triangles with and > without two-side lighting. I think its pretty expensive - like 2X. > > Greg
What about making it a switch that only turns on when you have the right attribute set? On a similar note, I've wanted to enable depth-cuing (sometimes called atmosphereic effect) for years ... it's terribly important in molecular modeling. Another item on the back burner for someday. Richard
