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

<screensaver name="interference" _label="Interference">

  <command arg="-root"/>

  <video href="https://www.youtube.com/watch?v=nEmvx4l1sHI"/>

  <hgroup>
   <vgroup>
    <number id="delay" type="slider" arg="-delay %"
            _label="Frame rate" _low-label="Low" _high-label="High"
            low="0" high="100000" default="30000"
            convert="invert"/>

    <number id="wspeed" type="slider" arg="-speed %"
              _label="Wave speed" _low-label="Slow" _high-label="Fast"
              low="1" high="100" default="30"/>

    <number id="radius" type="slider" arg="-radius %"
              _label="Wave size" _low-label="Small" _high-label="Large"
              low="50" high="1500" default="800"/>

    <number id="count" type="slider" arg="-count %"
            _label="Number of waves" _low-label="Few" _high-label="Many"
           low="0" high="20" default="3"/>

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

    <number id="ncolors" type="slider" arg="-ncolors %"
              _label="Number of colors" _low-label="Two" _high-label="Many"
              low="1" high="255" default="192"/>

    <number id="color_contrast" type="slider" arg="-color-shift %"
            _label="Color contrast" _low-label="Low" _high-label="High"
             low="0" high="100" default="60"/>

    <number id="hue" type="slider" arg="-hue %"
            _label="Hue" _low-label="0" _high-label="360"
             low="0" high="360" default="0"/>
   </vgroup>
  </hgroup>

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

  <xscreensaver-updater />

  <_description>
Color field based on computing decaying sinusoidal waves.

Written by Hannu Mallat; 1998.
  </_description>
</screensaver>
