Blue's News Presents:

Ramblings in Realtime
Michael Abrash

Chapter 1: Inside Quake - Visible Surface Determination
Chapter 2: Consider the Alternatives - Quake's Hidden Surface Removal
Chapter 3: Sorted Spans in Action
Chapter 4: Quake's Lighting Model - Surface Caching
Chapter 5: Surface Caching Revisited - Quake's Triangle Models and More
Chapter 6: Quake's 3D Engine - The Big Picture
Appendix : Permissions and Author’s Note