fluidballs man page on aLinux

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fluidballs(6)		      XScreenSaver manual		 fluidballs(6)

NAME
       fluidballs - the physics of bouncing balls.

SYNOPSIS
       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]

DESCRIPTION
       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.)

OPTIONS
       -visual visual
	       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.

       -count number
	       How many balls to display.  Default: 300.

       -size number
	       Maximum size of each ball.  Default: 25.

       -gravity number
	       Coefficient of gravity.	Useful values  are  <  0.1.   Default:
	       0.01.

       -wind number
	       Wind.  Useful values are < 0.1.	Default: 0.00.

       -elasticity number
	       Coefficient  of	elasticity.   Useful  values  are  0.2 to 1.0.
	       Default: 0.97.  Lower numbers make less bouncy balls.

       -delay number
	       Per-frame delay, in microseconds.  Default:  10000  (0.01  sec‐
	       onds.).

       -nonrandom
	       Make all balls be the same size.

       -no-nonrandom
	       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.

ENVIRONMENT
       DISPLAY to get the default host and display number.

       XENVIRONMENT
	       to get the name of a resource file that	overrides  the	global
	       resources stored in the RESOURCE_MANAGER property.

SEE ALSO
       X(1), xscreensaver(1)

COPYRIGHT
       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
       implied warranty.

AUTHOR
       Peter Birtles, Jamie Zawinski, and Steven Barker.

X Version 11		      5.07 (10-Aug-2008)		 fluidballs(6)
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