Instead of rotating by a fixed angle, rotate a fixed number of times, starting with a large initial angle sample halfway between each boundary pair. This will converge upon the boundary similar to the binary surface search, but via rotations instead of linear displacement.
Instead of rotating by a fixed angle, rotate a fixed number of times, starting with a large initial angle sample halfway between each boundary pair. This will converge upon the boundary similar to the binary surface search, but via rotations instead of linear displacement.