• R-Tree Madness http://stackulator.com/rtree/ 2 comments 24/1/2010

• A ray tracer with lots of balls renders Happy Buddha reflective http://stackulator.com/jsray/ 4 comments 22/4/2010 programming
• rtree.js, a library for performing both spatial layout and search with useful and fun demos explaining r-trees http://stackulator.com/rtree/ 5 comments 24/1/2010 programming