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>