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Man Pages


Manual Reference Pages  -  MAZE (6)

NAME

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

CONTENTS

Synopsis
Description
Options
Bugs
Environment
See Also
Copyright
AUTHOR(s)

SYNOPSIS

maze [-display host:display.screen] [-foreground color] [-background color] [-window] [-root] [-install] [-visual visual] [-grid-size pixels] [-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 graphical 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 generating 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 somewhere. 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 different 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 generator 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, provided that the above copyright notice appear in all copies and that both that copyright notice and this permission notice appear in supporting 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 representations 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

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