An alternative to Quaternions - easier to understand but not the standard that is optimized for hardware. Via https://news.ycombinator.com/item?id=22200260
Explanation of Quaternions via hacker news
Game Engine: How I Implemented Skeletal Animation
Game shaders for beginners via hacker news
https://news.ycombinator.com/item?id=27214221 https://gamemath.com/