Perspective Projection | 3D Graphics Overview

Orthographic projection has its uses (particularly while modelling 3D objects), however when rendering objects in a realistic way, we’ll want to mimic how human eyes and real cameras perceive objects in a scene. So our method of projection into the CVV must change, and this time we will use a perspective projection transformation.

In this lecture we'll discuss the visual reasoning behind how perspective projection works, and then take a look at the homogeneous matrix used for the transformation.