From Jeremie Allard (http://hufo.planet-d.net/codefr_us.php):
"A rewrited version of my first OpenGL Challenge entry. Something like a rebirth :) After too much month of not participing to this challenge I've done this little entry just to thanks Otry and BlackOrb for this great new website."
Ported to Linux by Tugrul Galatali.
Draw on the root window.
Set maximum frame rate.
Idle between frames using select(), or, if --maxfps is specified, idle in the fps limiting delay loop.
hufo_tunnel is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License version 2 as
published by the Free Software Foundation.
hufo_tunnel is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.