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10-20-2002, 10:13 AM
When I view a polygon from the front and the light is behind it the polygon is never black (0.0, 0.0, 0.0), more dark gray. There seems to be some kind of ambient light. I never enabled one. How do I switch this off? glDisable(GL_LIGHT0-8) doesn't work.

-- Thomas

Bob
10-20-2002, 10:27 AM
The default scene amblient light is (0.2, 0.2, 0.2, 1.0). You can change it with glLightModelfv and GL_LIGHT_MODEL_AMBIENT.