alteredq/three.js — comment on commit 408c82d306d491bd0d38772b118716883b5a48f0
File:  line 0
By mrdoob:

Nice! :D

> One useful thing from collisions though is checking first via bounding boxes. This would be good to preserve somewhere, it's a nice pattern for handling lots of complex meshes easily.

Ray does bounding sphere checking first thing too. But yeah, I'll start replacing to make sure Ray is not super slow compared to the other system.