Here's an implementation I wrote some years ago that includes obstacle avoidance. Clicking adds obstacles, spacebar adds boids, reloading gets new colors. Thi

Here's an implementation I wrote some years ago that includes obstacle avoidance. Clicking adds obstacles, spacebar adds boids, reloading gets new colors. This ended up looking somewhat like sperm avoiding eggs... http://humortree.org/projects/flock03/ http://humortree.org/projects/flock03/ (Java applet warning!) The source code is here: https://github.com/mccutchen/humortree.org/tree/master/projects/flock03 https://github.com/mccutchen/humortree.org/tree/master/proje...