Provided by: xscreensaver-gl_6.02+dfsg1-2ubuntu1_amd64 bug

NAME
       headroom - a twitchy head.


SYNOPSIS
       headroom [-display host:display.screen] [-visual visual] [-window] [-root] [-delay number]
       [-speed number] [-spin [XYZ]] [-no-wander] [-no-mask] [-wireframe] [-fps]


DESCRIPTION
       "Back in my day, we used to say 'No future'. Well. This is it."  -- Blank Reg


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: 20000 (0.02 seconds).

       -speed number
               Animation speed.  2.0 means twice as fast, 0.5 means half as fast.

       -spin 0 Don't rotate.

       -spin [XYZ]
               Around which axes should the object spin?

       -wander | -no-wander
               Whether the object should wander around the screen.

       -mask | -no-mask
               Mask Headroom.

       -wireframe | -no-wireframe
               Render in wireframe instead of solid.

       -fps | -no-fps
               Whether to show a frames-per-second display at the bottom of the screen.


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 © 2020 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.