Provided by: xscreensaver-gl-extra_5.36-1ubuntu1_amd64 
NAME
dangerball - a 3D ball that periodically extrudes spikes. Ouch!
SYNOPSIS
dangerball [-display host:display.screen] [-visual visual] [-window] [-root] [-delay number] [-speed
number] [-count number] [-no-wander] [-no-spin] [-wireframe] [-fps]
DESCRIPTION
Draws a ball that periodically extrudes many random spikes. Ouch!
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: 30000 (0.03 seconds.).
-speed number
Spike growth frequency. 0.0 - 0.25. Default: 0.05.
-count number
Number o spikes. Default: 30.
-wander | -no-wander
Whether the object should wander around the screen.
-spin | -no-spin
Whether the object should spin.
-wireframe | -no-wireframe
Render in wireframe instead of solid.
-fps Display the current frame rate, CPU load, and polygon count.
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 by Jamie Zawinski. 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
Jamie Zawinski.