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

<screensaver name="flow" _label="Flow">

  <command arg="--root"/>

  <video href="https://www.youtube.com/watch?v=RJjbRV0FC_A"/>

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

    <number id="count" type="slider" arg="--count %"
            _label="Count" _low-label="Few" _high-label="Many"
             low="10" high="5000" default="3000"/>

    <number id="cycles" type="slider" arg="--cycles %"
             _label="Timeout" _low-label="Small" _high-label="Large"
            low="0" high="800000" default="10000"/>
   </vgroup>
   <vgroup>
    <number id="ncolors" type="slider" arg="--ncolors %"
              _label="Number of colors" _low-label="Two" _high-label="Many"
              low="1" high="255" default="200"/>

    <number id="size" type="slider" arg="--size %"
              _label="Length of trails" _low-label="Short" _high-label="Long"
              low="-20" high="-2" default="-10" convert="invert"/>
   </vgroup>
  </hgroup>

  <hgroup>
   <vgroup>
    <boolean id="rotate" _label="Rotating around attractor" arg-unset="--no-rotate"/>
    <boolean id="ride"   _label="Ride in the flow" arg-unset="--no-ride"/>
    <boolean id="box"    _label="Draw bounding box"  arg-unset="--no-box"/>
   </vgroup>
   <vgroup>
    <boolean id="periodic" _label="Periodic attractors" arg-unset="--no-periodic"/>
    <boolean id="search" _label="Search for new attractors" arg-unset="--no-search"/>
    <boolean id="showfps" _label="Show frame rate" arg-set="--fps"/>
   </vgroup>
  </hgroup>

  <xscreensaver-updater />

  <_description>
Strange attractors formed of flows in a 3D differential equation phase
space.  Features the popular attractors described by Lorentz,
Roessler, Birkhoff and Duffing, and can discover entirely new
attractors by itself.

https://en.wikipedia.org/wiki/Attractor#Strange_attractor

Written by Tim Auckland; 1998.
  </_description>
</screensaver>
