queens(6x) XScreenSaver manual queens(6x)
NAME
queens - n queens screensaver
SYNOPSIS
queens [-display host:display.screen] [-window] [-root] [-install]
[-visual visual] [-delay microseconds] [-wireframe] [-fps]
DESCRIPTION
The queens program solves the n-queens problem (where, in this program,
N is between 5 and 10 queens) using a straightforward backtracking al-
gorithm. The problem is: how may one place N queens on an NxN chess-
board such that no queen can attack a sister?
OPTIONS
queens 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.
-wireframe
Render in wireframe instead of solid. -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.
BUGS
It's not unknown for this and other OpenGL hacks to fail under hardware
accelaration (UtahGLX) and take the X server with them. Texture images
must be 16x16 or 32x32 or 64x64 etc.
SEE ALSO
X(1), xscreensaver(1) xscreensaver-demo(1), xscreensaver-getimage(1)
COPYRIGHT
Copyright © 2002 by Blair Tennessy. 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
Blair Tennessy <tennessb@unbc.ca>, 20-April-2002.
X Version 11 5.45 (08-Dec-2020) queens(6x)
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