fluidballs man page on aLinux
fluidballs(6) XScreenSaver manual fluidballs(6)
fluidballs - the physics of bouncing balls.
fluidballs [-display host:display.screen] [-visual visual] [-window]
[-root] [-count number] [-size number] [-gravity number] [-wind number]
[-elasticity 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
-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:
Wind. Useful values are < 0.1. Default: 0.00.
Coefficient of elasticity. Useful values are 0.2 to 1.0.
Default: 0.97. Lower numbers make less bouncy balls.
Per-frame delay, in microseconds. Default: 10000 (0.01 sec‐
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 Display the current frame rate and CPU load.
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 © 2002 by Peter Birtles and Jamie Zawinski. Permission to
use, copy, modify, distribute, and sell this software and its documen‐
tation for any purpose is hereby granted without fee, provided that the
above copyright notice appear in all copies and that both that copy‐
right notice and this permission notice appear in supporting documenta‐
tion. No representations are made about the suitability of this soft‐
ware for any purpose. It is provided "as is" without express or
Peter Birtles, Jamie Zawinski, and Steven Barker.
X Version 11 5.07 (10-Aug-2008) fluidballs(6)
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