PrimaryFeather/Sparrow-Framework — pull request #1062 by tconkling (2012-04-27 00:44:30+00:00)
Title: Skewing

This adds skewing support to Sparrow, which gives Sparrow the full set of 2D transforms that the Flash tool supports.

There's a tiny bit of extra overhead in SPRenderSupport.transformMatrixForObject:, since there's no gl function for the skew transform, but it's only incurred if you actually use skewing (it doesn't add any overhead to straight-up rotation).