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by ingenter 4066 days ago
- Brown ball is physically simulated (has inertia)

- A program controls the ball only via two thrusters (x/y), force represented as orange bars

- Program's goal is to deliver the ball to a given point (last click position)

There is a link in the footer: https://en.wikipedia.org/wiki/PID_controller which explains what's a PID controller in this case.