NAME

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

SYNOPSIS

       raverhoop  [-display  host:display.screen]  [-visual  visual]  [-window]  [-root]  [-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.

       -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.

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.