Separated projection, window_projection and modelview matrix calculations from Scene_viewer_render_scene_private to Scene_viewer_calculate_transformation so that they can be established on their own easily.
Separated projection, window_projection and modelview matrix
calculations from Scene_viewer_render_scene_private to
Scene_viewer_calculate_transformation so that they can be established
on their own easily.


git-svn-id: 4705079bc6b8aadf675e3696f5c015a6aa4916e3@617 3c1deb5b-d424-0410-962d-aba41a686d42

hsorby/zinc,hsorby/zinc,hsorby/zinc,hsorby/zinc,OpenCMISS/zinc,OpenCMISS/zinc,OpenCMISS/zinc,OpenCMISS/zinc