<?xml version="1.0" encoding="UTF-8"?>

<screensaver name="moire" _label="Moiré">

  <command arg="--root"/>

  <video href="https://www.youtube.com/watch?v=S50zFVcUe4s"/>

  <number id="delay" type="slider" arg="--delay %"
          _label="Duration" _low-label="1 second" _high-label="1 minute"
          low="1" high="60" default="5"/>

  <number id="ncolors" type="slider" arg="--ncolors %"
            _label="Number of colors" _low-label="Two" _high-label="Many"
            low="1" high="255" default="64"/>

  <number id="offset" type="slider" arg="--offset %"
            _label="Offset" _low-label="Small" _high-label="Large"
            low="1" high="200" default="50"/>

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

  <xscreensaver-updater />

  <_description>
  When the lines on the screen
  Make more lines in between,
  That's a moiré!

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

Written by Jamie Zawinski and Michael Bayne; 1997.
  </_description>
</screensaver>
