# Posts in Articles

## Derivation of the Orthographic Projection Matrix

The orthographic projection matrix takes a rectangular prism with corners at (l, t, -n) and (r, b, -f) (with l being left, t being top, n being near, r being right, b being bottom, and f being far) and maps it to a cube with the coordinates of the same corners being (-1, 1, 1) […]