Here's a cached version of the first chapter, as the site appears to be down:
http://webcache.googleusercontent.com/search?q=cache:I4Ikw4K...
Re:Procedural Content Generation in Games
by walterbell on Wednesday July 09, 2014 @04:22AM
(#8008601)
Archive.org has the full book:
https://web.archive.org/web/20131022191108/http://algorithmi...
Re:Procedural Content Generation in Games
by willvarfar on Wednesday July 09, 2014 @04:22AM
(#8008600)
Here's L-systems in 3D! http://structuresynth.sourceforge.net/
For anyone else interested, there's a free PDF book all about the subject. It's "The Algorithmic Beauty of Plants"
http://algorithmicbotany.org/papers/abop/abop.pdf