Jeremy Booth wrote:

You don't need to worry about culling unless you want to look at both
sides of the same geometry, ie, if you have a cube representing a montior
(ok ok, I know your graphics will be better than this, but bear with it
:)) and back face culling is on, if your normals are set correctly the
only thing that is culled is the inside of the cube[...]

Please remember that backface culling has nothing to do with normals - at least with normals which are provided in model file. Backface culling depends on winding of polygon as seen from viewer position - for CULL_BACK, only counter-clockwise polygons will be visible. Now, if you generate your normals automatically from polygons, instead of providing them in model file, it will have the same effect - but in other cases not (just fixing normals will not help the problem). It is also important to remember that for geometry without normals (if you don't care about GPU lights).

Artur

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