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

<screensaver name="loop" _label="Loop">

  <command arg="--root"/>

  <video href="https://www.youtube.com/watch?v=_kTMO7oEN8U"/>

  <number id="delay" type="slider" arg="--delay %"
          _label="Frame rate" _low-label="Low" _high-label="High"
          low="0" high="200000" default="100000"
          convert="invert"/>

  <number id="cycles" type="slider" arg="--cycles %"
           _label="Timeout" _low-label="Small" _high-label="Large"
          low="0" high="8000" default="1600"/>

  <number id="ncolors" type="slider" arg="--ncolors %"
            _label="Number of colors" _low-label="Two" _high-label="Many"
            low="1" high="255" default="15"/>

  <number id="size" type="spinbutton" arg="--size %"
           _label="Size" low="-50" high="50" default="-12"/>

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

  <xscreensaver-updater />

  <_description>
A cellular automaton that generates loop-shaped colonies that spawn,
age, and eventually die.

https://en.wikipedia.org/wiki/Langton%27s_loops

Written by David Bagley; 1999.
  </_description>
</screensaver>
