mesh-to-tetrahedra
quickly convert a triangle mesh into a set of tetrahedra that occupy approximately the same volume as the original mesh
quickly convert a triangle mesh into a set of tetrahedra that occupy approximately the same volume as the original mesh
convert a triangle mesh into a set of spheres that occupy approximately the same volume as the mesh
slide a point along a wall / surface / triangle mesh [eg for games, slide camera along wall upon collision]