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_MANAGER property.
SEE ALSO
X(1),
xscreensaver(1)
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 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
W.P. van Paassen