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fluidballs - the physics of bouncing balls.
fluidballs [-display host:display.screen] [-visual visual] [-window] [-root] [-count num-
ber] [-size number] [-gravity number] [-wind number] [-friction number] [-delay number]
[-nonrandom] [-no-shake] [-fps]
Models the physics of bouncing balls, or of particles in a gas or fluid, depending on the
settings. If "Shake Box" is selected, then every now and then, the box will be rotated,
changing which direction is down (in order to keep the settled balls in motion.)
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.
-window Draw on a newly-created window. This is the default.
-root Draw on the root window.
How many balls to display. Default: 300.
Maximum size of each ball. Default: 25.
Coefficient of gravity. Useful values are < 0.1. Default: 0.01.
Wind. Useful values are < 0.1. Default: 0.00.
Coefficient of friction (or viscosity.) Useful values are < 4. Default: 0.8.
Per-frame delay, in microseconds. Default: 10000 (0.01 seconds.).
Make all balls be the same size.
Make the balls be random sizes. Default.
-shake | -no-shake
Whether to shake the box if the system seems to have settled down. "Shake" means
"change the direction of Down."
-fps | -no-fps
Whether to show a frames-per-second display at the bottom of the screen.
DISPLAY to get the default host and display number.
to get the name of a resource file that overrides the global resources stored in
the RESOURCE_MANAGER property.
Copyright (C) 2002 by Peter Birtles and 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.
Peter Birtles and Jamie Zawinski.
X Version 11 XScreenSaver(1)
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