<command arg="-root"/>
+ <video href="https://www.youtube.com/watch?v=VFibXcP1JH0"/>
+
<number id="delay" type="slider" arg="-delay %"
_label="Duration" _low-label="1 second" _high-label="1 minute"
low="1" high="60" default="5"/>
<boolean id="showfps" _label="Show frame rate" arg-set="-fps"/>
+ <xscreensaver-updater />
+
<_description>
-This is sort of a combination spirograph/string-art. It generates a
-large, complex polygon, and renders it by filling using an even/odd
-winding rule.
+The even-odd winding rule.
+
+https://en.wikipedia.org/wiki/Even-odd_rule
+https://en.wikipedia.org/wiki/Nonzero-rule
Written by Dale Moore; 1995.
</_description>