My first scene! I haven't yet seen this cutie's mechanics implemented this way on here, so I decided to upload mine
Create your own course and try to beat it without having the head fall off!
BB-8 can roll uphill but you'll notice he's not very good at climbing steep angles.
This BB-8 model uses a PI controller to stabilize it's head and another one to control it's velocity.
Despite this being a fairly naive approach, I think the results are pretty satisfying.
If you take a deep dive in it's head, you'll find two small wheels which are connected to a red box.
The red box contains the spice (control loop code).
You can save this BB-8 as a phunlet or put multiple ones in the same scene (no global variables).