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

<screensaver name="moebiusgears" _label="Möbius Gears" gl="yes">

  <command arg="--root"/>

  <video href="https://www.youtube.com/watch?v=kpT6j2-9b40"/>

  <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="speed" type="slider" arg="--speed %"
          _label="Speed" _low-label="Slow" _high-label="Fast"
          low="0.01" high="5.0" default="1.0"
          convert="ratio"/>

  <hgroup>
  <number id="count" type="spinbutton" arg="--count %"
          _label="Number of gears" low="13" high="99" default="17"/>

  <number id="teeth" type="spinbutton" arg="--teeth %"
          _label="Number of teeth" low="7" high="49" default="15"/>
  </hgroup>

  <hgroup>
   <boolean id="wander" _label="Wander"    arg-unset="--no-wander"/>
   <boolean id="spin"   _label="Spin"      arg-unset="--no-spin"/>
   <boolean id="roll"   _label="Roll"      arg-unset="--no-roll"/>
   <boolean id="wire"   _label="Wireframe" arg-set="--wireframe"/>
  </hgroup>

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

  <xscreensaver-updater />

  <_description>
An interlinked loop of rotating gears.  The layout of the gears
follows the path of a möbius strip.  

See also the "Pinion" and "Gears" screen savers.

https://en.wikipedia.org/wiki/Involute_gear
https://en.wikipedia.org/wiki/Moebius_strip

Written by Jamie Zawinski; 2007.
  </_description>
</screensaver>
