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blocktube(6)                  XScreenSaver manual                 blocktube(6)


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
               seconds.).

       -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    Display the current frame rate, CPU load, and polygon count.


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
       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.


AUTHOR

       Lars Damerow <lars@oddment.org>

X Version 11                  5.34 (24-Oct-2015)                  blocktube(6)

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