On 7/25/07, Wiedemann, Rudolf, OPS3 <[EMAIL PROTECTED]> wrote: > Hi, > > is there any possibility to get or calculate something like > "gl_ModelMatrix" in a GLSL vertex shader?
There is a gl_ModelViewMatrix inbuilt into GLSL, but not gl_ModeMatrix, as there really isn't any such concept within OpenGL, its all ModelViewMatrix. What you could do is compute the ModelMatrix by multiplying the gl_ModelViewMatrix by the osg_ViewMatrixInverse to get the ModelMatrix. Robert. _______________________________________________ osg-users mailing list [email protected] http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org

