In my early days someone told me generating roads is a non-trivial problem and I thought that was bollocks so I spent 4 months smashing my head against a wall to prove them wrong!

>A clothoid gradually increases curvature over distance.

This seems complete overkill? I remember smoothing between tangents of two circles to mostly solve roundabouts. I had to cheat for 3+ lane roundabouts but it worked for any semi-realistic road.

>Just simple rules stacking on each other that result in beautiful patterns. I can’t explain why, but seeing those structures always felt good.

I think in 2026 it's safe to blame your autism. I do. Nobody likes Factorio because it's a good game. We're here for the lines and grids.