Plotnus

I can add to a specific issue I faced. I followed the tutorial for the "hello-wasm" section. Then, I attempted the exercise. When I did `wasm-pack build` from the `wasm-game-of-life`...

A few questions: 1) Should this become a member of the `BoundingVolume` trait. 2) What about naming it `engulf`, or `enclose`? I think enclose may be the better of the...

What blocked me on this was implementing the functions for `SpatializedNormalCone`. I'm unfamiliar with that bounding volume or how we'd adjust it based on points.