I've written a post on quaternion implementations.
Game Math: Quaternion Implementations

頑皮狗的合約簽下去了

I have written a post on quaternion basics.
Game Math: Quaternion Basics

Alpha vs Beta

My recommended book list to game devs.
My Recommended Book List to Game Devs

下一步就是要做T-shirt了

新名片閃亮亮~

Fast Re-Normalization of Unit Vectors.
Game Math: Fast Re-Normalization of Unit Vectors.

Approximation with Polynomial Curves.
Game Math: Approximation with Polynomial Curves

How to Eyeball The Inverse of A Matrix.
Game Math: How to Eyeball The Inverse of A Matrix