mauro

03-28-2005, 05:33 AM

Hi,

The projection matrices in openGL are of size 4x4.

But what is the meaning of the z component, as normaly a projection matrix is of size 3x4? (projecting from 3D to 2D)

Is it the distance from your vertex to the camera plane, or is it meaningless, or ... ?

thank you,

BERT

The projection matrices in openGL are of size 4x4.

But what is the meaning of the z component, as normaly a projection matrix is of size 3x4? (projecting from 3D to 2D)

Is it the distance from your vertex to the camera plane, or is it meaningless, or ... ?

thank you,

BERT