xscreensaver(1)

NAME

piecewise - lots of moving circles intersecting in inter
esting ways.

SYNOPSIS

piecewise [-display host:display.screen] [-visual  visual]
[-window]  [-root] [-delay number] [-count number] [-ncol
ors  number]  [-colorspeed  number]  [-minradius   number]
[-maxradius number] [-no-db]

DESCRIPTION

This draws a bunch of moving circles which switch from
visibility to invisibility when they intersect.

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.

-delay number

Per-frame delay, in microseconds. Default: 5000
(0.01 seconds.).

-count number

Number of circles. Default: 32.

-ncolors number

Number of colors, only one of which is used at a
time. Default: 256.

-colorspeed number

How fast the color changes (0 - 100). Default:
10.

-minradius number

Minimum circle radius (as a proportion of screen
height). Default: 0.05.

-maxradius number

Maximum circle radius (as a proportion of screen
height). Default: 0.2.

-db | -no-db

Whether to double buffer.

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_MAN
AGER property.

SEE ALSO

X(1), xscreensaver(1)

COPYRIGHT

Copyright © 2003 by Geoffrey Irving. 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.

AUTHOR

Geoffrey Irving.

X Version 11 XScreenSaver(1)