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feedback(1)


NAME

   feedback - Stirring colors with a jiggling warp.

SYNOPSIS

   feedback   [--root/-r]   [--maxfps/-x   number]   [--vsync/-y   number]
   [--dpms/-M number] [--grey/-g] [--saturation/-S number] [--lightness/-L
   number]  [--period/-p  number]  [--speed/-s number] [--cells/-c number]
   [--texsize/-t number] [--grid/-i]

DESCRIPTION

   Colors are swirled by repeatedly mapping a  spring  loaded  grid  to  a
   uniform grid, pulling in colors from the cycling perimeter.

   Written by Tugrul Galatali.

OPTIONS

   --root  Draw on the root window.

   --maxfps number
           Set maximum frame rate.

   --vsync number
           Limit  redraws  to specified number of vertical refreshes.  0 -
           100.  Default: 1

   --dpms number
           Stop rendering new frames if the display is not  on.   0  -  1.
           Default: 1

   --grey  Use greyscale instead of hue wheel.

   --saturation number
           Set color saturation.  0 - 255.  Default: 255

   --lightness number
           Set color lightness.  0 - 255.  Default: 255

   --period number
           Sets color cycling period in seconds.  0 - 100.  Default: 5

   --speed number
           Sets speed of warping grid wobble.  1 - 100.  Default: 10

   --cells number
           Sets  height  and width of warping grid in powers of 2.  0 - 6.
           Default: 3

   --texsize number
           Sets height and width of warped texture in powers of  2.   6  -
           12.  Default: 8

   --grid  Turns on rendering of the warping grid.

ENVIRONMENT

   DISPLAY to get the default host and display number.

SEE ALSO

   X(1),

COPYRIGHT

   Copyright  2009 by Tugrul Galatali.

   Feedback  is  free  software;  you can redistribute it and/or modify it
   under the terms  of  the  GNU  General  Public  License  version  2  as
   published by the Free Software Foundation.

   Feedback is distributed in the hope that it will be useful, but WITHOUT
   ANY WARRANTY; without even the implied warranty of  MERCHANTABILITY  or
   FITNESS  FOR  A PARTICULAR PURPOSE.  See the GNU General Public License
   for more details.

AUTHOR

   Tugrul Galatali <tugrul@galatali.com>



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