<?xml version="1.0" encoding="ISO-8859-1"?>

<screensaver name="crystal" _label="Crystal">

  <command arg="-root"/>

  <video href="https://www.youtube.com/watch?v=M27wWKGXIvw"/>

  <number id="delay" type="slider" arg="-delay %"
          _label="Frame rate" _low-label="Low" _high-label="High"
          low="0" high="100000" default="60000"
          convert="invert"/>

  <number id="ncolors" type="slider" arg="-ncolors %"
            _label="Number of colors" _low-label="Two" _high-label="Many"
            low="1" high="255" default="100"/>

  <!-- #### -maxsize -->
  <!-- #### -shift (color cycling) -->

  <number id="count" type="spinbutton" arg="-count %"
          _label="Number of crystals" low="-5000" high="5000" default="-500"/>

  <number id="nx" type="spinbutton" arg="-nx %"
          _label="Horizontal symmetries" low="-10" high="10" default="-3"/>

  <number id="ny" type="spinbutton" arg="-ny %"
          _label="Vertical symmetries" low="-10" high="10" default="-3"/>

  <hgroup>
   <boolean id="grid" _label="Draw grid" arg-set="-grid"/>
   <boolean id="cells" _label="Draw cell" arg-unset="-no-cell"/>
   <boolean id="centre" _label="Center on screen" arg-set="-centre"/>
  </hgroup>

  <boolean id="showfps" _label="Show frame rate" arg-set="-fps"/>

  <xscreensaver-updater />

  <_description>
Moving polygons, similar to a kaleidoscope.  See also the
"Kaleidescope" and "GLeidescope" screen savers.

https://en.wikipedia.org/wiki/Kaleidoscope

Written by Jouk Jansen; 1998.
  </_description>
</screensaver>
