1 <?xml version="1.0" encoding="ISO-8859-1"?>
3 <screensaver name="petri" _label="Petri">
7 <video href="https://www.youtube.com/watch?v=QkJ9cN0QQd8"/>
10 <number id="delay" type="slider" arg="-delay %"
11 _label="Frame rate" _low-label="Low" _high-label="High"
12 low="0" high="100000" default="10000"
14 <boolean id="showfps" _label="Show frame rate" arg-set="-fps"/>
19 <number id="diaglim" type="slider" arg="-diaglim %"
20 _label="Colony shape" _low-label="Square" _high-label="Diamond"
21 low="1.0" high="2.0" default="1.414"
24 <number id="anychan" type="slider" arg="-anychan %"
25 _label="Fertility" _low-label="Low" _high-label="High"
26 low="0.0" high="0.25" default="0.0015"/>
28 <number id="minorchan" type="slider" arg="-minorchan %"
29 _label="Offspring" _low-label="Few" _high-label="Many"
30 low="0.0" high="1.0" default="0.5"/>
32 <number id="instantdeathchan" type="slider" arg="-instantdeathchan %"
33 _label="Death comes" _low-label="Slowly" _high-label="Quickly"
34 low="0.0" high="1.0" default="0.2"/>
38 <number id="minlifespeed" type="slider" arg="-minlifespeed %"
39 _label="Minimum rate of growth" _low-label="Slow" _high-label="Fast"
40 low="0.0" high="1.0" default="0.04"/>
42 <number id="maxlifespeed" type="slider" arg="-maxlifespeed %"
43 _label="Maximum rate of growth" _low-label="Slow" _high-label="Fast"
44 low="0.0" high="1.0" default="0.13"/>
46 <number id="mindeathspeed" type="slider" arg="-mindeathspeed %"
47 _label="Minimum rate of death" _low-label="Slow" _high-label="Fast"
48 low="0.0" high="1.0" default="0.42"/>
50 <number id="maxdeathspeed" type="slider" arg="-maxdeathspeed %"
51 _label="Maximum rate of death" _low-label="Slow" _high-label="Fast"
52 low="0.0" high="1.0" default="0.46"/>
56 <number id="minlifespan" type="slider" arg="-minlifespan %"
57 _label="Minimum lifespan" _low-label="Short" _high-label="Long"
58 low="0" high="3000" default="500"/>
60 <number id="maxlifespan" type="slider" arg="-maxlifespan %"
61 _label="Maximum lifespan" _low-label="Short" _high-label="Long"
62 low="0" high="3000" default="1500"/>
64 <number id="size" type="spinbutton" arg="-size %"
65 _label="Cell size" low="0" high="100" default="2"/>
67 <number id="count" type="spinbutton" arg="-count %"
68 _label="Mold varieties" low="0" high="20" default="20"/>
73 <!-- #### -mem-throttle [22M] -->
75 <xscreensaver-updater />
78 Colonies of mold grow in a petri dish. Growing colored circles
79 overlap and leave spiral interference in their wake.
81 Written by Dan Bornstein; 1999.