cube21 - animates the Cube 21 puzzle

       Vaclav (Vasek) Potocek <vasek.potocek@post.cz>, 30-Aug-05.

X Version 11                                   6.08 (10-Oct-2023)                                     cube21(6x)

       Copyright © 2005 by Vaclav Potocek.  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.

       This program animates a puzzle known as Cube 21 or Square-1.  Its moves are chosen randomly.

       Cube  21  is a Rubik-like puzzle invented in 1992.  Its specialities are that it can change its shape and
       even the number of possible moves.  It can have more than 200 different shapes and the  total  number  of
       configurations (assuming colors) is several tens of billions.

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.

       XSCREENSAVER_WINDOW
               The window ID to use with --root.

       cube21 - animates the Cube 21 puzzle

cube21 accepts the following options:

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

       --root  Draw on the root window.

       --window-idnumber
               Draw on the specified window.

       --install
               Install a private colormap for the window.

       --visualvisual
               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.

       --delaymicroseconds
               How long to pause between frames.  Default is 20000, or 0.02 second.

       --texture
               Use texture maps.  This is the default.

       --no-texture
               Use solid colors.

       --mono  Disable both texture maps and colors.

       --wireframe
               Only draw outlines.  Outlines of all pieces, not only the whole object, are drawn.

       --spin  Spin the whole object around X, Y and Z axes.  This is the default.

       --no-spin
               Do not spin, showing the same three faces all the time.

       --wander
               Move the object around the screen.  This is the default.

       --no-wander
               Keep the object centered on the screen.

       --randomize
               Shuffle the puzzle randomly at startup.  This is the default.

       --no-randomize
               Do not shuffle at startup, begin at the shape of cube.

       --spinspeednumber
               The relative speed of spinning.  Default is 1.0.

       --rotspeednumber
               The relative speed of the moves.  Default is 3.0.  Setting to ≤ 0.0 makes the object stay at  one
               configuration.

       --wanderspeednumber
               The relative speed of wandering around the screen.  Default is 1.0.

       --waitnumber
               How  long  to  stay  at  ending  position  after each move.  The meaning of the argument is again
               relative.  Default is 40.0.

       --cubesizenumber
               Size of the object.  Value of 3.0 fills roughly all the screen (its height).  Default is 0.7.

       --colormodeargument
               How many and which colors should the object have.  The colors are put on the piece faces so  that
               the puzzle is solvable.  The inner faces are not influenced.

               se or silver
                       Simulate the "Silver Edition" - white and one random color.

               2 or two
                       Two random colors.

               ce or classic
                       Simulate the "Classic Edition" - white, yellow, orange, red, green and blue.

               6 or six
                       Six random colors.

               1 or random or rnd
                       One random color.

               Anything else
                       All faces white.

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

X(1), xscreensaver(1)

cube21  [--display  host:display.screen]  [--visual  visual]  [--window]  [--root]  [--window-id  number]
       [--install] [--delay microseconds] [--texture] [--no-texture] [--mono] [--wireframe] [--spin] [--no-spin]
       [--wander]  [--no-wander]  [--randomize]  [--no-randomize]  [--spinspeed  number]   [--rotspeed   number]
       [--wanderspeed number] [--wait number] [--cubesize number] [--colormode arg] [--fps]