CollisionMask for ArcRotateCamera (or workaround)?

[mawa]

This topic might be of interest to you (although I’m not sure it will cover all your needs).
If you have questions on this method ask @labris. It seems he knows his bit around it.

How we can achieve advance collision detection with arcRotate camera

@11128 Thank you for your assistance. The experience is not smooth since the screen flashes when adjusting the radius, and the radius is static, which will not function in a dynamic collision situation.