I came across this concept a while back but did not have a way to demonstrate once I got done playing with it. It is called Langton’s Ant. Of course I could not just implement it at the pixel level, I needed to make the ant and have is scalable. That led falling down a rabbit hole of HTML Canvas peculiarities. What I thought would not take much time has already taken a day.
Here are a couple of graphics I generated while in the rabbit hole.