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maze(6x)		      XScreenSaver manual		      maze(6x)

NAME
       maze  -	an automated X11 demo repeatedly creating and solving a random
       maze

SYNOPSIS
       maze [-display host:display.screen]  [-foreground  color]  [-background
       color]  [-window]  [-root] [-install] [-visual visual] [-grid-size pix‐
       els]  [-live-color  color]  [-dead-color	 color]	 [-solve-delay	usecs]
       [-pre-delay    usecs]	[-post-delay   usecs]	[-generator   integer]
       [-max-length integer] [-bridge] [-no-bridge] [-fps]

DESCRIPTION
       The maze program creates a "random" maze and then solves it with graph‐
       ical feedback.

OPTIONS
       maze 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.

       -grid-size pixels
	       The  size  of  each block of the maze, in pixels; default is 0,
	       meaning pick a random grid size.

       -live-color color
	       The color of the path.

       -dead-color color
	       The color of the failed path (it is also stippled  with	a  50%
	       pattern.)

       -skip-color color
	       The  maze  solver  will	choose to not go down a path if it can
	       "see" (in a straight line) that it is a dead end.  This is  the
	       color to use for paths that are skipped for this reason.

       -surround-color color
	       If  the maze solver ever completely encloses an area within the
	       maze, then it knows that the exit is not in there (and in  fact
	       the  interior  of  that	area might not even be reachable.)  It
	       will mark out those cells using this color.

       -solve-delay integer
	       Delay (in microseconds) between each step of the solution path.
	       Default 5000, or about 1/200th second.

       -pre-delay integer
	       Delay  (in microseconds) between generating a maze and starting
	       to solve it.  Default 2000000 (2 seconds.)

       -post-delay integer
	       Delay (in microseconds) after solving a maze and before	gener‐
	       ating a new one.	 Default 4000000 (4 seconds.)

       -generator num
	       Sets the algorithm that will be used to generate the mazes. The
	       default is -1, which randomly selects  an  algorithm  for  each
	       maze  that  is  generated. Generator 0 is the original one, and
	       works by walking around randomly until we  hit  a  place	 we've
	       been before, then backtracking and trying a new direction some‐
	       where. Generator 1 picks a random spot in the maze, then	 draws
	       a  straight  wall from that spot in a random direction until it
	       hits another wall (and continues until the maze	is  complete).
	       Generator  2  is based on sets. Initially all cells are in dif‐
	       ferent sets. Then two neighboring cells are chosen and if  they
	       are  in	different sets, their sets are joined. If they were in
	       the same set, a wall is	built  between	them.  This  continues
	       until the maze is complete.

	       All  generators generate mazes with a certain 'characteristic'.
	       See if you can spot them!

       -max-length num
	       Controls the maximum length of walls drawn in one go by genera‐
	       tor 1.

       -bridge

       -no-bridge
	       Controls whether or not a 'bridge' will appear over the logo.

       Clicking the mouse in the maze window controls it.

       LeftButton      Clears the window and restarts maze.

       MiddleButton    Pause or unpause the program.

       RightButton     Exit.

       -fps    Display the current frame rate and CPU load.

BUGS
       Expose events force a restart of maze.

       Mouse  actions are based on "raw" values (Button1, Button2 and Button3)
       instead of using the pointer map.

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 © 1988 by Sun Microsystems, Inc. Mountain View, CA.

       All Rights Reserved

       Permission  to  use, copy, modify, and distribute this software and its
       documentation for any purpose and without fee is hereby	granted,  pro‐
       vided  that  the	 above	copyright notice appear in all copies and that
       both that copyright notice and this permission notice  appear  in  sup‐
       porting	documentation, and that the names of Sun or MIT not be used in
       advertising or publicity pertaining to  distribution  of	 the  software
       without specific prior written permission. Sun and M.I.T.  make no rep‐
       resentations about the suitability of this software for any purpose. It
       is provided "as is" without any express or implied warranty.

       SUN  DISCLAIMS  ALL  WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
       ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A  PARTICULAR
       PURPOSE.	 IN  NO EVENT SHALL SUN BE LIABLE FOR ANY SPECIAL, INDIRECT OR
       CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS  OF
       USE,  DATA  OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR
       OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE  OR
       PERFORMANCE OF THIS SOFTWARE.

AUTHOR(s)
       Zack Weinberg [ Smarter maze-solver ] zack@rabi.phys.columbia.edu
       Johannes Keukelaar [ Generators 1 and 2 ] johannes@nada.kth.se
	 Royal Institute of Technology, Stockholm, Sweden
       Jim Randell    [ XScreenSaver version ] jmr@mddjmr.fc.hp.com
	 HPLabs, Bristol
       Richard Hess   [ X11 extensions ]       {...}!uunet!cimshop!rhess
	 Consilium, Mountain View, CA
       Dave Lemke     [ X11 version ]	       lemke@sun.COM
	 Sun MicroSystems, Mountain View, CA
       Martin Weiss   [ SunView version ]
	 Sun MicroSystems, Mountain View, CA

X Version 11		      5.07 (10-Aug-2008)		      maze(6x)
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