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runesol
10-20-2003, 01:38 AM
hi,
I wonder what is the difference between a matrix created with a call to gluPerspective(...) and

a perspective matrix like
[1 0 0 0 ]
[0 1 0 0 ]
[0 0 1 0 ]
[0 0 1/d 0 ]

or
[1 0 0 0 ]
[0 1 0 0 ]
[0 0 0 0 ]
[0 0 1/d 0 ]

where d is the distance from the projection plane to the origin.

I have looked at the documentation for gluPerpective(...) and there they get a matrix which is different then the matrices over.

Can anybody tell me the difference?