Hah I did something similar around the same time, using random white/gray/black pixels (apparently, I don't remember any details any more!) https://gilleain.bl

Hah I did something similar around the same time, using random white/gray/black pixels (apparently, I don't remember any details any more!) https://gilleain.blogspot.com/2008/11/chalky.html https://gilleain.blogspot.com/2008/11/chalky.html