Based on Tactical Optimization of Ray/Box Intersection, by Graham Fyffe [http://tog.acm.org/resources/RTNews/html/rtnv21n1.html#art9] *for now it breaks shrinkwrap or other stuff that relies on sphere-raycast of BLI_kdopbvh.
Based on Tactical Optimization of Ray/Box Intersection, by Graham Fyffe [http://tog.acm.org/resources/RTNews/html/rtnv21n1.html#art9] *for now it breaks shrinkwrap or other stuff that relies on sphere-raycast of BLI_kdopbvh.