On 30/12/09 11:12 AM, alessandro terenzi wrote: > I'd like to flip (horizontally and/or vertically) the current frame just > before it gets drawn on screen, what is the best way to do this? > > I thought about post-multiplying a projection matrix (that is already > available) by a scaling (or) rotation matrix, but of course this > approach acts on the scene and not on the frame and has two undesired > effects: > > 1. normals are flipped > 2. HUDs are NOT flipped > > Is it possible to flip the frame that is going to be drawn? If not, how > can I avoid the normals from being flipped because of the scaling/mirroring?
Render to a texture and draw that flipped? This gets around all the aforementioned problems and doesn't affect the scene/shaders, it's completely transparent. Cheers, /ulrich _______________________________________________ osg-users mailing list [email protected] http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org
