Ray Tracing, Bounding Volume Hierarchy, Bvh, Axis Aligned, Tetrahedron Octahedron.
Efficient Dynamic Voxel Rendering, Journal of Computer Graphics Techniques (JCGT), 2018 Broman: Another View on the Classic Ray-AABB Intersection Algorithm for BVH Traversal, 2018 Morgan McGuire: Computer Graphics Archive, 2017 Bryan McNett: Hexagonal Prism Bounding Volume, 2019