1 <?xml version="1.0" encoding="ISO-8859-1"?>
3 <screensaver name="loop" _label="Loop">
7 <video href="https://www.youtube.com/watch?v=_kTMO7oEN8U"/>
9 <number id="delay" type="slider" arg="-delay %"
10 _label="Frame rate" _low-label="Low" _high-label="High"
11 low="0" high="200000" default="100000"
14 <number id="cycles" type="slider" arg="-cycles %"
15 _label="Timeout" _low-label="Small" _high-label="Large"
16 low="0" high="8000" default="1600"/>
18 <number id="ncolors" type="slider" arg="-ncolors %"
19 _label="Number of colors" _low-label="Two" _high-label="Many"
20 low="1" high="255" default="15"/>
22 <number id="size" type="spinbutton" arg="-size %"
23 _label="Size" low="-50" high="50" default="-12"/>
25 <boolean id="showfps" _label="Show frame rate" arg-set="-fps"/>
27 <xscreensaver-updater />
30 A cellular automaton that generates loop-shaped colonies that spawn,
31 age, and eventually die.
33 https://en.wikipedia.org/wiki/Langton%27s_loops
35 Written by David Bagley; 1999.