ftp://ftp.sunet.se/pub/vendor/sco/skunkware/osr5/x11/savers/xscreensaver/xscreensaver...

[xscreensaver] / hacks / rocks.man

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-.TH XScreenSaver 1 "13-aug-92" "X Version 11"
-.SH NAME
-rocks - animation of flying through an asteroid field
-.SH SYNOPSIS
-.B rocks
-[\-display \fIhost:display.screen\fP] [\-foreground \fIcolor\fP] [\-background \fIcolor\fP] [\-window] [\-root] [\-install] [\-visual \fIvisual\fP] [\-count \fIinteger\fP] [\-delay \fIusecs\fP] [\-speed \fIinteger\fP] [\-norotate]
-.SH DESCRIPTION
-The \fIrocks\fP program draws an animation of an asteroid field moving past
-the observer (or vice versa).  Sometimes the observer picks up spin on Z axis.
-.SH OPTIONS
-.I rocks
-accepts the following options:
-.TP 8
-.B \-window
-Draw on a newly-created window.  This is the default.
-.TP 8
-.B \-root
-Draw on the root window.
-.TP 8
-.B \-install
-Install a private colormap for the window.
-.TP 8
-.B \-visual \fIvisual\fP
-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.
-.TP 8
-.B \-count \fIinteger\fP
-Maximum number of rocks to draw on the screen at once.  Default 100.
-.TP 8
-.B \-speed \fIinteger\fP
-A measure of the speed with which the observer and the rocks pass each other,
-from 1 to 100.  Default 100, meaning ``very fast.''  If you're on a slow 
-display connection (the animation looks jerky) then try making this number 
-smaller, and/or decreasing the number of rocks.
-.TP 8
-.B \-delay \fImicroseconds\fP
-Number of microseconds to delay between each frame.  Default 50000, meaning
-about 1/20th second.  Compare and contrast with \fI\-speed\fP, above.
-.TP 8
-.B \-norotate
-Don't rotate the observer; just fly straight through the field.
-.SH ENVIRONMENT
-.PP
-.TP 8
-.B DISPLAY
-to get the default host and display number.
-.TP 8
-.B XENVIRONMENT
-to get the name of a resource file that overrides the global resources
-stored in the RESOURCE_MANAGER property.
-.SH SEE ALSO
-.BR X (1),
-.BR xscreensaver (1)
-.SH BUGS
-There should be an option to display doppler shift (a gravity rainbow.)
-
-Speed of rotation should be settable.
-
-Default speed of rotation should be relative to forward velocity.
-.SH COPYRIGHT
-Copyright \(co 1992 by Jamie Zawinski.  Permission to use, copy, modify, 
-distribute, and sell this software and its documentation for any purpose is 
-hereby granted without fee, provided that the above copyright notice appear 
-in all copies and that both that copyright notice and this permission notice
-appear in supporting documentation.  No representations are made about the 
-suitability of this software for any purpose.  It is provided "as is" without
-express or implied warranty.
-.SH AUTHOR
-Based on Lisp Machine code copyright 1988 John Nguyen <johnn@hx.lcs.mit.edu>.
-
-Ported to C and X by Jamie Zawinski <jwz@netscape.com>, 13-aug-92.