sharpdx/SharpDX — pull request #225 by VirusFree (2013-12-07 20:04:26+00:00)
Title: [SharpDX] Quaternions RotationLookAt and Billboard

I reverted the changes in RotationLookAt from issue 217 and split it into Left-Handed and Right-Handed.
I also added BillboardLH and BillboardRH for quaternions