1crackberg(6x)                 XScreenSaver manual                crackberg(6x)
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NAME

6       crackberg  -  Lose  your  way  wandering  some height fields, and enjoy
7       candy.
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SYNOPSIS

10       crackberg [--root] [--window-id number] [--window] [--install]  [--dis‐
11       play  host:display.screen]  [--visual visual] [--window-id id] [--delay
12       usecs] [--fps]  [--crack]  [--lit]  [--boring]  [--letterbox]  [--flat]
13       [--wire]  [--nowater] [--visibility float] [--color string] [--nsubdivs
14       integer]
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DESCRIPTION

17       Flies through height maps, optionally animating the  instantiation  and
18       destruction  of  generated  tiles;  by default, tiles 'grow' into place
19       (height gradually increased up to correct value).  In windowed mode the
20       following key controls are available:
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22       left, right
23               Turn left and right.
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25       a,w,s,d Move left, forwards, backwards, and to the right, respectively.
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27       1,2     Decrease and increase manual speed, respectively.
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29       Spacebar
30               Return to automatic control.
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OPTIONS

33       crackberg accepts the following options:
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35       --root  Draw on the root window.
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37       --window-id number
38               Draw on the specified window.
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40       --window
41               Draw on a newly-created window.  This is the default.
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43       --install
44               Install a private colormap for the window.
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46       --visual visual
47               Specify  which  visual  to use.  Legal values are the name of a
48               visual class, or the id number (decimal or hex) of  a  specific
49               visual.
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51       --delay microseconds
52               Delay between frames; default 20000 (1/50th of a second).
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54       --fps   Display the current frame rate, CPU load, and polygon count.
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56       --crack Use all possible methods to animate tile instantiation.
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58       --boring
59               Do  not  animate  instatiation at all; use this to get standard
60               landscape generator behavior.
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62       --letterbox
63               Drawable window region has a 16:9 aspect ratio,  regardless  of
64               actual window size.
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66       --lit   Enable lighting.
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68       --flat  Flat  shading  (OpenGL will use one color per primitive, rather
69               than interpolating betwixt vertices).
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71       --wire  Wireframe.
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73       --nowater
74               Do not display 'water' (forces negative values to zero, and se‐
75               lects a different coloring method).
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77       --visibility float
78               Value in range [0.2,1.0] (default 0.6) specifying proportion of
79               viewable XY plane which is to be drawn upon.
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81       --color string
82               Selects color scheme.  Use with no or bogus argument  for  cur‐
83               rent list.
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85       --nsubdivs integer
86               Number  of times to recursively subdivide each triangular tile.
87               Each increment increases total triangles by a factor of 4;  for
88               instance  the  default  setting  4 results in 256 triangles per
89               tile.
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ENVIRONMENT

93       DISPLAY to get the default host and display number.
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95       XENVIRONMENT
96               to get the name of a resource file that  overrides  the  global
97               resources stored in the RESOURCE_MANAGER property.
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99       XSCREENSAVER_WINDOW
100               The window ID to use with --root.
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SEE ALSO

103       X(1), xscreensaver(1)
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106       Copyright  © 2005 by Matus Telgarsky.  Permission to use, copy, modify,
107       distribute, and sell this software and its documentation for  any  pur‐
108       pose  is  hereby granted without fee, provided that the above copyright
109       notice appear in all copies and that both  that  copyright  notice  and
110       this  permission  notice appear in supporting documentation.  No repre‐
111       sentations are made about the suitability of this software for any pur‐
112       pose.  It is provided "as is" without express or implied warranty.
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AUTHOR

115       Matus Telgarsky <catachresis@cmu.edu>, 2005.
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119X Version 11               6.08-1.fc38 (17-Oct-2023)             crackberg(6x)
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