anyone know

The front clipping plane needs to be > 0 units from the camera, meaning you need to specify a strictly positive value for it. The third parameter to gluPerspective is the near clipping plane, you can just specify a smaller value (that is not zero). Something like 0.1 maybe. Note that the smaller this value is, the less precision you''ll get in your z buffer (it''s a bit more involved than that, but that''s good for a start), so don''t make it much less than 0.1 if you can help it.

If I had my way, I''d have all of you shot!

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thanks it works good now.