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

• Basic Particule System: http://www.shiffman.net/itp/classes/nature/week05_s09/simpleparticles
• Textured Particule System: http://www.shiffman.net/itp/classes/nature/week05_s09/smokeparticles
• Particules plus forces: http://www.shiffman.net/itp/classes/nature/week05_s09/particlesplusforces