cinder/Cinder — pull request #152 by reakinator (2012-03-02 00:29:02+00:00)
Title: Make Rect/Area Tweenable

Rect and Area currently only have the overloaded + operator for a VecT, so they cannot be wrapped in an Anim. It's really nice tweening these two classes. This commit adds the + operator for both classes and a - operator to match. I didn't see much of a purpose for * or / operators...