[ demo-world-frustum glFrustum ] bi ;
: demo-world-set-matrix ( gadget -- )
- GL_COLOR_BUFFER_BIT GL_DEPTH_BUFFER_BIT bitor glClear
+ flags{ GL_COLOR_BUFFER_BIT GL_DEPTH_BUFFER_BIT } glClear
GL_MODELVIEW glMatrixMode
glLoadIdentity
[ [ 0.0 0.0 ] dip distance>> neg glTranslatef ]