How do computers display 3D objects on your 2D screen? In this video, I take you inside my notebook to show you.

Code: https://github.com/carltheperson/3d-to-2d-example

00:00 Intro
00:41 Motivation
01:15 Screen space vs world space
06:33 Perspective projection intro and model
10:30 Perspective projection math
24:00 Code example

Music: Ambient Piano [Prod by BalanceBay] from Pixabay