| Done
--------------------------------------------------------------------------
-7/3/98 - Generate and store the transform matrix when rendering by
+7/21/98 - add a --enable/disable-sound option.
+
+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()