http://www.shiffman.net/teaching/nature/ga2/

• Interactive Selection: http://www.shiffman.net/itp/classes/nature/week10_s06/faces
• Simple Ecosystem: http://www.shiffman.net/itp/classes/nature/week10_s07/eco
• Pathfinding: http://www.shiffman.net/itp/classes/nature/week10_s06/pathfinding