Provided by: xscreensaver-gl-extra_5.36-1ubuntu1_amd64 
NAME
extrusion - various rotating extruded shapes.
SYNOPSIS
extrusion [-display host:display.screen] [-visual visual] [-window] [-root] [-delay number] [-name which]
[-no-light] [-wireframe] [-fps]
DESCRIPTION
Draws various rotating extruded shapes that twist around, lengthen, and turn inside out.
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: 10000 (0.01 seconds.).
-name which
Which object to draw. Choices are: helix2, helix3, helix4, joinoffset, screw, taper, and
twistoid.
-light | -no-light
Whether to light the scene, or use flat coloring.
-bitmap file
The texture map to use.
-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 Linas Vepstas and David Konerding. 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
This screensaver was created by David Konerding from the samples that come with the GL Extrusion library
by Linas Vepstas.