Added proper handling of the rotation of billboards about an artbitary axis. Note, this code while mathermatically is not optimal, and will need to reviewed in the future to optimize it.
Added proper handling of the rotation of billboards about an artbitary axis.
Note, this code while mathermatically is not optimal, and will need to
reviewed in the future to optimize it.


stmh/osg,koshman86/osg,ghub/osg,omega-hub/osg,ntoand/osg,ntoand/osg,XiaoCC/osg,ntoand/osg,stmh/osg,XiaoCC/osg,ntoand/osg,ghub/osg,koshman86/osg,artoolkit/osg,stmh/osg,artoolkit/osg,XiaoCC/osg,omega-hub/osg,stmh/osg,XiaoCC/osg,artoolkit/osg,stmh/osg,ghub/osg,artoolkit/osg,omega-hub/osg,XiaoCC/osg,koshman86/osg,koshman86/osg,omega-hub/osg,ghub/osg