Here's another description of perspective projection with a demo: http://www.gabrielgambetta.com/computer-graphics-from-scratch/perspective-projection.html
What does the P matrix correspond to?
I think P is the projection matrix
Here's another description of perspective projection with a demo: http://www.gabrielgambetta.com/computer-graphics-from-scratch/perspective-projection.html
What does the P matrix correspond to?
I think P is the projection matrix