mrdoob/three.js — pull request #4399 by kayomarz (2014-02-09 10:15:39+00:00)
Title: Blender exporter change

Blender Exporter: Y position of camera was being explicitly negated, causing incorrect camera pos. The reason for negation was unknown, maybe it was needed in some situation.

See Issue: https://github.com/mrdoob/three.js/issues/4207#issuecomment-34570131