How Do Computers Display 3D on a 2D Screen? (Perspective Projection)

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