1 <?xml version="1.0" encoding="ISO-8859-1"?>
3 <screensaver name="halo" _label="Halo">
7 <video href="https://www.youtube.com/watch?v=K7LbfXh3LTc"/>
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="count" type="slider" arg="-count %"
15 _label="Number of circles" _low-label="Few" _high-label="Many"
16 low="0" high="20" default="0"/>
18 <number id="ncolors" type="slider" arg="-colors %"
19 _label="Number of colors" _low-label="Two" _high-label="Many"
20 low="1" high="255" default="100"/>
23 <option id="random" _label="Random mode"/>
24 <option id="seuss" _label="Seuss mode" arg-set="-mode seuss"/>
25 <option id="ramp" _label="Ramp mode" arg-set="-mode ramp"/>
29 <boolean id="animate" _label="Animate circles" arg-set="-animate"/>
30 <boolean id="showfps" _label="Show frame rate" arg-set="-fps"/>
33 <xscreensaver-updater />
36 Circular interference patterns.
38 https://en.wikipedia.org/wiki/Moire_pattern
40 Written by Jamie Zawinski; 1993.