atunnel - hypnotic GL tunnel journey


sballs [-display host:display.screen] [-window] [-root] [-visual visual] [-delay microseconds] [-light] [-no-light] [-wire] [-no-wire] [-texture] [-no-texture] [-fps]


The atunnel program draws an animation of a journey in a GL tunnel.


sballs accepts the following options:
-window Draw on a newly-created window. This is the default.
-root Draw on the root window.
-install Install a private colormap for the window.
-visual visual
 Specify which visual to use. Legal values are the name of a visual class, or the id number (decimal or hex) of a specific visual.
-fps Display the current frame rate, CPU load, and polygon count.
-texture Show a textured tunnel. This is the default.
-no-texture Disables texturing the animation.
-wire Draw a wireframe rendition of the tunnel.


DISPLAY to get the default host and display number.
 to get the name of a resource file that overrides the global resources stored in the RESOURCE_MANAGER property.


X(1), xscreensaver(1)


Copyright © 2003 by Eric Lassauge. Permission to use, copy, modify, distribute, and sell this software and its documentation for any purpose is hereby granted without fee, provided that the above copyright notice appear in all copies and that both that copyright notice and this permission notice appear in supporting documentation. No representations are made about the suitability of this software for any purpose. It is provided "as is" without express or implied warranty.

The original code for this mode was written by Roman Podobedov <> and can be found at


Roman Podobedov <> Eric Lassauge <>

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