NAME

       raverhoop - Simulates an LED hula hoop in a dark room.

SYNOPSIS

       raverhoop  [--display  host:display.screen]  [--visual  visual]  [--window] [--root] [--window-id number]
       [--delay number] [--ncolors number] [--lights number] [--speed number] [--light-speed number]  [--sustain
       number] [--no-wander] [--no-spin] [--fps]

DESCRIPTION

       Simulates an LED hula hoop in a dark room. Oontz oontz oontz.

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.

       --window-id number
               Draw on the specified window.

       --delay number
               Per-frame delay, in microseconds.  Default: 20000 (0.02 seconds).

       --ncolors number
               The number of colors to use on the hoop.  Default: 12.

       --lights number
               The number of LEDs comprising the hoop.  Default: 200.

       --speed number
               Speed of the motion of the object.  2.0 means twice as fast, 0.5 means half as fast.

       --light-speed number
               Speed at which the lights animate.  2.0 means twice as fast, 0.5 means half as fast.

       --sustain number
               Speed at which the after-images / vapor trails fade away.  2.0 means they last twice as long, 0.5
               means half as long.

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

       --spin | --no-spin
               Whether the scene itself should spin.

       --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.

       XSCREENSAVER_WINDOW
               The window ID to use with --root.

SEE ALSO

       X(1), xscreensaver(1)

COPYRIGHT

       Copyright © 2016 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.