aa949fd4617d39ab8aff36d2bb067a79b88b917d
[xscreensaver] / 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>