alteredq/three.js — comment on commit 6862c7d935a29ef76a1326d78dce2330338263e5
File:  line 0
By mrdoob:

> I double-checked original Mirada source and it seems it started there - 16th frame OBJ was almost identical to 1st frame OBJ. Which when played properly resulted in "freeze" discontinuity, so we hacked around by dropping last frame. Everywhere.

o_o