mrdoob/three.js — pull request #5119 by WestLangley (2014-07-24 18:50:32+00:00)
Title: Added zoom() method to OrthographicCamera and PerspectiveCamera

`camera.zoom( 1.1 )` zooms in; `camera.zoom( 0.9 )` zooms out.

See discussion in #5113.