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

<screensaver name="marbling" _label="Marbling">

  <command arg="--root"/>

  <video href="https://www.youtube.com/watch?v=D20sPMLwS1c"/>

  <number id="delay" type="slider" arg="--delay %"
          _label="Frame rate" _low-label="Low" _high-label="High"
          low="0" high="100000" default="10000"
          convert="invert"/>

  <number id="gridsize" type="slider" arg="--gridsize %"
          _label="Magnification" _low-label="Low" _high-label="High"
          low="1" high="20" default="2"/>

  <number id="scale" type="slider" arg="--scale %"
          _label="Scale" _low-label="Sparse" _high-label="Dense"
          low="0" high="20" default="10"/>

  <number id="iterations" type="slider" arg="--iterations %"
          _label="Complexity" _low-label="Low" _high-label="High"
          low="0" high="10" default="5"/>

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

  <xscreensaver-updater />

  <_description>
Marble-like or cloud-like patterns generated using Perlin Noise and Fractal
Brownian Motion.

https://en.wikipedia.org/wiki/Perlin_noise
https://en.wikipedia.org/wiki/Fractional_Brownian_motion

Written by Jamie Zawinski and Dave Odell; 2021.
  </_description>
</screensaver>
