https://www.youtube.com/watch?v=mbo3wBEQ9h4&list=UUELewPTZLoXUmvPi_5ccthQ
Not final at all.
0:38: it's not even look on sonic
0:44: IsCollision - true
0:45: Camera range is not enough
0:55: No quick step spline.
0:53: robots are too dense.
1:30: camera is stuck in the tree.
Final 2D section - pitch is a bit too high.
And about poles, he can put jump collision with low speed.
And if it's not working, just removing the second pole.