| Done
--------------------------------------------------------------------------
-7/3/98 - Generate and store the transform matrix when rendering by
+7/11/98 - Ground collision detection
+
+7/3/98 - Generate and store the transform matrix when rendering by
material property so we don't have to push, transform, pop
continually. See mesa code for gluLookAt()
realtime system interpolates the horizon colours all around the edge
of the sky.
-12/29/97 - Ground collision detection
-
12/29/97 - glut windows or something for panel area - consider 3d
panels, careful of texture memory problems.