Doop de doo...

So, this is something I wrote up to answer an itching question about four dogs in a field.  After a figuring out the question, I kinda went nuts and had fun with this.   

Click anywhere to reset the simulation. 

What’s happening?:

• There are a bunch of dogs.
• Each dog is chasing one other dog (and thus, each dog is being chased by a dog).
• Dogs move at a constant speed.
• Dogs have a small tendency to move towards the center of the screen.
• Dogs move toward the dog they’re chasing as quickly as possible unless the dog that is chasing them is too close.
• Dogs get very frightened of and run away from the dog that’s chasing them when they get too close.