git.hungrycats.org Git - xscreensaver/blob - hacks/config/queens.xml

   1 <?xml version="1.0" encoding="ISO-8859-1"?>
   2
   3 <screensaver name="queens" _label="Queens" gl="yes">
   4
   5   <command arg="-root"/>
   6
   7   <video href="https://www.youtube.com/watch?v=Ssy0ldFDeAs"/>
   8
   9   <number id="delay" type="slider" arg="-delay %"
  10           _label="Frame rate" _low-label="Low" _high-label="High"
  11           low="0" high="100000" default="20000"
  12           convert="invert"/>
  13
  14   <hgroup>
  15    <boolean id="wire"    _label="Wireframe" arg-set="-wireframe"/>
  16    <boolean id="showfps" _label="Show frame rate" arg-set="-fps"/>
  17   </hgroup>
  18
  19   <xscreensaver-updater />
  20
  21   <_description>
  22 The N-Queens problem: how to place N queens on an NxN chessboard
  23 such that no queen can attack a sister?
  24
  25 See also the "Endgame" screen saver.
  26
  27 https://en.wikipedia.org/wiki/Eight_queens_puzzle
  28
  29 Written by Blair Tennessy and Jamie Zawinski; 2002.
  30   </_description>
  31 </screensaver>