mrdoob/three.js — pull request #1923 by qiao (2012-05-15 09:31:59+00:00)
Title: Fixed and enhanced OrbitControls

1. FIX: The `center` property of `OrbitControls` was not handled correctly.
2. Exposed the zoom and rotate API.

I should have checked it more carefully before submitting the last pull request. Sorry for the inconvenience.