Provided by: xscreensaver-gl-extra_5.08-0ubuntu3_i386 bug


        extrusion - various rotating extruded shapes.


        extrusion  [-display  host:display.screen]  [-visual  visual] [-window]
        [-root] [-delay number] [-name which] [-no-light] [-wireframe] [-fps]


        Draws various rotating extruded shapes that twist around, lengthen, and
        turn inside out.


        -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
        -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 sec-
        -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.
                Render in wireframe instead of solid.
        -fps    Display the current frame rate, CPU load, and polygon count.


        DISPLAY to get the default host and display number.
                to  get  the  name of a resource file that overrides the global
                resources stored in the RESOURCE_MANAGER property.
        X(1), xscreensaver(1)


        Copyright (C) 2002 by Linas Vepstas and David Konerding.  Permission to
        use,  copy, modify, distribute, and sell this software and its documen-
        tation for any purpose is hereby granted without fee, provided that the
        above  copyright  notice  appear in all copies and that both that copy-
        right notice and this permission notice appear in supporting documenta-
        tion.   No representations are made about the suitability of this soft-
        ware for any purpose.  It  is  provided  "as  is"  without  express  or
        implied warranty.


        This  screensaver  was created by David Konerding from the samples that
        come with the GL Extrusion library by Linas Vepstas.