Validates a ball joint's swing cone and optional twist (§28 "limits").
The cone half-angle must be in (0, π]: zero would weld the swing — which is a fixed joint, not a limited ball joint — and more than π is not a cone.
(0, π]
Validates a ball joint's swing cone and optional twist (§28 "limits").
The cone half-angle must be in
(0, π]: zero would weld the swing — which is a fixed joint, not a limited ball joint — and more than π is not a cone.