I have a very optimized octree, but one thing I can not use it for is points in space. Mine is built with the assumptions that every object has a finite size, w

I have a very optimized octree, but one thing I can not use it for is points in space. Mine is built with the assumptions that every object has a finite size, which is used to determine what level of the tree it lives in. Points fail because they have zero size. I'm still looking for a good spatial index for points. I'll think about yours.