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

<screensaver name="hypnowheel" _label="Hypnowheel" gl="yes">

  <command arg="--root"/>

  <video href="https://www.youtube.com/watch?v=QcJnc9EKJrI"/>

  <hgroup>
   <vgroup>
    <number id="delay" type="slider" arg="--delay %"
            _label="Frame rate" _low-label="Slow" _high-label="Fast"
            low="0" high="100000" default="20000"
            convert="invert"/>

    <number id="speed" type="slider" arg="--speed %"
            _label="Speed" _low-label="Slow" _high-label="Fast"
            low="0.1" high="20.0" default="1.0"
            convert="ratio"/>

    <hgroup>
    <boolean id="wander"    _label="Wander"             arg-set="--wander"/>
    <boolean id="symmetric" _label="Symmetric twisting" arg-set="--symmetric"/>
    </hgroup>

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

   </vgroup>
   <vgroup>

    <number id="layers" type="slider" arg="--layers %"
            _label="Layers" _low-label="1" _high-label="50"
            low="1" high="50" default="4"/>

    <number id="count" type="slider" arg="--count %"
            _label="Arms" _low-label="2" _high-label="50"
            low="2" high="50" default="13"/>

    <number id="twistiness" type="slider" arg="--twistiness %"
            _label="Twistiness" _low-label="Low" _high-label="High"
            low="0.2" high="10.0" default="4.0"/>
   </vgroup>
  </hgroup>

  <xscreensaver-updater />

  <_description>
Overlapping, translucent spiral patterns.
The tightness of their spirals fluctuates in and out.

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

Written by Jamie Zawinski; 2008.
  </_description>
</screensaver>
