xscreensaver(1)
NAME
Eruption.
SYNOPSIS
Eruption [-display host:display.screen] [-visual visual] [-window] [-root] [-ncolors number] [-nParticles number] [-Heat number] [-Cooling number] [-Gravity number] [-delay number] [-cycles number]
DESCRIPTION
This hack creates an eruption of pieces of hot volcanic
rock. Ported from the demo effects collection
(http://demo-effects.sourceforge.net)
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.
- -ncolors number
- Number of Colors. Default: 256.
- -particles number
- Number of Particles. Default: 300.
- -cooloff number
- Eruption Cooloff. Default: 2.
- -heat number
- Heat of Eruption. Default: 256.
- -gravity number
- Gravity. Default: 1.
- -delay number
- Per-frame delay, in microseconds. Default: 5000
(0.01 seconds.). - -cycles number
- Duration. 10 - 3000. Default: 80.
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
COPYRIGHT
Copyright © 2002-2003 by W.P. van Paassen. 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 documenta
tion. No representations are made about the suit
ability of this software for any purpose. It is provided
"as is" without express or implied warranty.
AUTHOR
- W.P. van Paassen