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XScreenSaver(6x)                                              XScreenSaver(6x)



NAME
       blocktube - draws a swirling, falling tunnel of reflective slabs

SYNOPSIS
       blocktube  [-display  host:display.screen]  [-visual  visual] [-window]
       [-root] [-delay number] [-holdtime number] [-changetime  number]  [-no-
       texture] [-no-fog] [-wireframe] [-fps]

DESCRIPTION
       Blocktube  draws  a  swirling, falling tunnel of reflective slabs. They
       fade from hue to hue.

OPTIONS
       -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.

       -window Draw on a newly-created window.  This is the default.

       -root   Draw on the root window.

       -delay number
               Per-frame delay, in microseconds.  Default:  40000  (0.04  sec-
               onds.).

       -holdtime number
               How long to stay on the same color.  Default: 1000 frames.

       -changetime number
               How long it takes to fade to a new color.  Default: 200 frames.

       -no-texture
               Draw solid blocks intstead of reflective blocks.

       -no-fog Do not make blocks in the distance be darker.

       -wireframe
               Only draw outlines.

       -fps | -no-fps
               Whether  to  show  a frames-per-second display at the bottom of
               the screen.

ENVIRONMENT
       DISPLAY to get the default host and display number.

       XENVIRONMENT
               to get the name of a resource file that  overrides  the  global
               resources stored in the RESOURCE_MANAGER property.

SEE ALSO
       X(1), xscreensaver(1)

COPYRIGHT
       Copyright  (C)  2003 by Lars Damerow.  Permission to use, copy, modify,
       distribute, and sell this software and its documentation for  any  pur-
       pose  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 repre-
       sentations are made about the suitability of this software for any pur-
       pose.  It is provided "as is" without express or implied warranty.

AUTHOR
       Lars Damerow <larsAToddment.org>



X Version 11                  4.21 (01-Mar-2005)              XScreenSaver(6x)