Ray Tracing, Bounding Volume Hierarchy, Bvh, Axis Aligned, Tetrahedron Octahedron.
fast intersection testing with rays, and an often sufficiently tight enough bounding volume around objects. Besides AABBs, there are many other bounding volumes, like bounding spheres, Oriented-Bounding-Boxes (OBBs), and more. Usually, these volumes offer a trade-off between tight volumes and fast