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Light Issues

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The level shows up normally when lights are off but if I turn them on, or even just one the faces start disapearing for some reason. Normals should be right, I''ve even got the program showing the normals. and the look fine.

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do you use glEnable(GL_NORMALIZE). . . i think it invokes a performance hit, but i had to do that, because my normals were not unit length . . .

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