Coding Adventure: Software Rasterizer

Sebastian Lague explains how to build a 3D software rasterizer from scratch, covering projection, culling, and triangle rendering.

Let's try to turn some dot products into a 3D world! Support my work (and get early access to new videos and source code) on Patreon or Nebula * Patreon: patreon.com/SebastianLague * Nebula: go.nebula.tv/sebastianlague Source code: * GitHub: github.com/SebLague/Software-Rasterizer Credits: * Music: raw.githubusercontent.com/SebLague/Misc-Project-Info/refs/he… * Raylib: github.com/raysan5/raylib * C# bindings: github.com/raylib-cs/raylib-cs * Visualizations made (mostly) with Shapes: acegikmo.com/shapes/ Chapters: 00:00 Intro 00:32 The First Image 02:39 Triangle Maths 05:36 Testing the Triangles 07:30 Reading a 3D Model 09:13 Orthographic Projection 10:20 Single-Axis Rotation 12:37 Back-Face Culling 13:42 Another Axis of Rotation 15:34 Perspective and Field of View 19:22 Monkey! (and the Depth Buffer) 25:30 Real-Time Rendering 26:31 Camera and View Space 31:22 Depth Bug 33:03 Textures 35:00 Directional Lighting 38:52 Boy and Fox 40:35 Near-Plane Clipping 43:49 Procedural Terrain 45:18 Some Quick Optimizations 46:32 Odds and Ends 48:40 Final Demo