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

6       penetrate - simulates a classic arcade shooting game
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SYNOPSIS

9       penetrate  [-display  host:display.screen] [-root] [-window] [-install]
10       [-noinstall] [-visual visual] [-bgrowth microseconds]  [-lrate  number]
11       [-smart number]
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DESCRIPTION

14       Penetrate  simulates  the  arcade classic with the cities and the stuff
15       shooting down from the sky  and  stuff.   The  computer  plays  against
16       itself, desperately defending the forces of good against those thingies
17       raining down.  Bonus cities are awarded at  ever-increasing  intervals.
18       Every five levels appears a bonus round.  The computer player gets pro‐
19       gressively more intelligent as the game progresses.  Better  aim,  more
20       economical  with  ammo, and better target selection.  Points are in the
21       bottom right, and high score is in the bottom left.  Start with  -smart
22       to have the computer player skip the learning process.
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OPTIONS

25       -display host:display.screen
26               Specifies which X display we should use.
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28       -root   Draw on the root window.
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30       -window Draw on a newly-created window.  This is the default.
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32       -install
33               Install a private colormap for the window.
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35       -noinstall
36               Don't install a private colormap for the window.
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38       -visual visual
39               Specify  which  visual  to use.  Legal values are the name of a
40               visual class, or the id number (decimal or hex) of  a  specific
41               visual.  Possible choices include
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43               default, best, mono, monochrome, gray, grey, color, staticgray,
44               staticcolor,  truecolor,  grayscale,  greyscale,   pseudocolor,
45               directcolor, number
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47               If  a decimal or hexadecimal number is used, XGetVisualInfo(3X)
48               is consulted to obtain the required visual.
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50       -foreground color
51               Specifies the default foreground color.
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53       -background color
54               Specifies the default background color.
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56       -bgrowth integer
57               Specifies the growth rate of the bomb explosions.
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59       -lrate integer
60               Set the initial rate of laser fire.
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62       -smart  Have the computer player skip the learning process.
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BUGS

65       The layout of the screen isn't quite the same as the game this  program
66       tries  to  emulate.  In this this program, the missiles come out of the
67       cities; when really, there are supposed to be three  missile  bases  on
68       hills, with the cities in the valleys between them.
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70       See http://www.mame.net/ for details.
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73       Copyright  ©  1999  Adam Miller.  Permission to use, copy, modify, dis‐
74       tribute, and sell this software and its documentation for  any  purpose
75       is hereby granted without fee, provided that the above copyright notice
76       appear in all copies and that both that copyright notice and this  per‐
77       mission  notice appear in supporting documentation.  No representations
78       are made about the suitability of this software for any purpose.  It is
79       provided "as is" without express or implied warranty.
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AUTHOR

82       Adam Miller <adum@aya.yale.edu>, 1999.
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86X Version 11                 5.05-3 (06-Apr-2008)                penetrate(6x)
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