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Annotated edit history of rd-bomb(1) version 4, including all changes. View license author blame.
Rev Author # Line
1 perry 1 XScreenSaver
2 !!!XScreenSaver
3 NAME
4 SYNOPSIS
5 DESCRIPTION
6 OPTIONS
7 ENVIRONMENT
8 SEE ALSO
9 COPYRIGHT
10 AUTHOR
11 ----
12 !!NAME
13
14
15 rd-bomb - reaction/diffusion textures
16 !!SYNOPSIS
17
18
19 __rd-bomb__ [[-display ''host:display.screen'']
20 [[-foreground ''color''] [[-background ''color'']
21 [[-window] [[-root] [[-install] [[-visual ''visual''] [[-width
22 ''n''] [[-height ''n''] [[-reaction ''n'']
23 [[-diffusion ''n''] [[-size ''f''] [[-speed ''f'']
24 [[-delay ''usecs'']
25 !!DESCRIPTION
26
27
28 The ''rd-bomb'' program draws reaction/diffusion
29 textures. The code is derived from the 'd' mode of the
30 ''
31
32
33 If the frame-rate is too low, consider decreasing the width
34 and height of the tile, or decreasing the size of the active
35 part of the screen.
36 !!OPTIONS
37
38
39 If one of the reaction, diffusion, radius, and palette
40 options is set to a negative value, then that option will be
41 set to a random appropriate value.
42
43
44 Be sure to try
45
46
47 ''rd-bomb'' accepts the following options:
48
49
50 __-window__
51
52
53 Draw on a newly-created window. This is the
54 default.
55
56
57 __-root__
58
59
60 Draw on the root window.
61
62
63 __-install__
64
65
66 Install a private colormap for the window.
67
68
69 __-visual__ ''visual''
70
71
72 Specify which visual to use. Legal values are the name of a
73 visual class, or the id number (decimal or hex) of a
74 specific visual.
75
76
77 __-width__ ''n''
78
79
80 __-height__ ''n''
81
82
83 Specify the size of the tile, in pixels.
84
85
86 __-reaction__ ''n''
87
88
89 __-diffusion__ ''n''
90
91
92 These are constants in the equations that effect its visual
93 nature. Each may be one of 0, 1, or 2.
94
95
96 __-radius__ ''n''
97
98
99 Size of the seed.
100
101
102 __-palette__ ''n''
103
104
105 Selects a palette. Must be between 0 and 80,
106 inclusive.
107
108
109 __-size__ ''f''
110
111
112 What fraction of the window is actively drawn, a floating
113 point number between 0 (exclusive) and 1 (inclusive).
114 Default is 0.66.
115
116
117 __-speed__ ''f''
118
119
120 When a fraction of the screen is active, the active area
121 moves at this rate (a floating point number). Default is
122 zero. Suggested value: 1.0.
123
124
125 __-delay__ ''usecs''
126
127
128 How many microseconds to delay between frames; default 1000,
129 or about 1/1000th of a second.
130 !!ENVIRONMENT
131
132
133 __DISPLAY__
134
135
136 to get the default host and display number.
137
138
139 __XENVIRONMENT__
140
141
142 to get the name of a resource file that overrides the global
143 resources stored in the RESOURCE_MANAGER
144 property.
145 !!SEE ALSO
146
147
4 perry 148 X(1), xscreensaver(1),
1 perry 149 xlock(1)
150 !!COPYRIGHT
151
152
153 Copyright 1997 by Scott Draves.
154
155
156 Permission to use, copy, modify, and distribute this
157 software and its documentation for any purpose and without
158 fee is hereby granted, provided that the above copyright
159 notice appear in all copies and that both that copyright
160 notice and this permission notice appear in supporting
161 documentation.
162 !!AUTHOR
163
164
165 Scott Draves
166 ----
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