piecewise - lots of moving circles intersecting in interesting ways.
piecewise [-display host:display.screen] [-visual visual] [-window]
[-root] [-delay number] [-count number] [-ncolors number] [-colorspeed
number] [-minradius number] [-maxradius number] [-no-db]
This draws a bunch of moving circles which switch from visibility to
invisibility when they intersect.
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.
Per-frame delay, in microseconds. Default: 5000 (0.01 sec-
Number of circles. Default: 32.
Number of colors, only one of which is used at a time.
How fast the color changes (0 - 100). Default: 10.
Minimum circle radius (as a proportion of screen height).
Maximum circle radius (as a proportion of screen height).
-db | -no-db
Whether to double buffer.
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) 2003 by Geoffrey Irving. Permission to use, copy, mod-
ify, distribute, and sell this software and its documentation for any
purpose is hereby granted without fee, provided that the above copy-
right notice appear in all copies and that both that copyright notice
and this permission notice appear in supporting documentation. No rep-
resentations are made about the suitability of this software for any
purpose. It is provided "as is" without express or implied warranty.
X Version 11 4.21 (01-Mar-2005) XScreenSaver(6x)