eruption
Section: XScreenSaver manual (6)
Updated: 5.40 (12-Aug-2018)
Page Index
NAME
Eruption - eruption of pieces of hot volcanic rock
SYNOPSIS
Eruption
[-display
host:display.screen]
[-visual
visual]
[-window]
[-root]
[-ncolors
number]
[-nParticles
number]
[-Heat
number]
[-Cooling
number]
[-Gravity
number]
[-delay
number]
[-cycles
number]
[-fps]
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.
- -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 © 2002-2003 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