Provided by: xscreensaver-gl_4.23-4ubuntu8_i386 bug


       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] [-no-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 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

       -fps    Display a running tally of how many frames per second are being
               rendered.  In conjunction with -delay 0, this can be  a  useful
               benchmark of your GL performance.

               Show a textured tunnel. This is the default.

               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

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


       Roman        Podobedov        <>        Eric        Lassauge