wator

Dewdney's Wa-Tor, water torus simulation
David Bagley.
1994

History 01-Nov-2000: Allocation checks
10-May-1997: Compatible with xscreensaver
29-Aug-1995: Efficiency improvements.
12-Dec-1994: Coded from A.K. Dewdney's The Armchair Universe, Computer
Recreations from the Pages of Scientific American Magazine
W.H. Freedman and Company, New York, 1988 (Dec 1984 and
June 1985) also used life.c as a guide.