Hacker News new | ask | show | jobs
by erichocean 2800 days ago
They're basically the ratio of two vectors, if that helps.

Check out Geometric Algebra for more info, specifically the 5D Conformal model [0]. It's way easier to use than linear algebra and that acres of sin()/cos()/tan() scattered everywhere in your code.

[0] http://versor.mat.ucsb.edu/