Capture a lineage-based reference to vertex: the roles of the ≥3 faces meeting at it, plus a position hint. Returns undefined when fewer than three named faces meet there (a 2-face "vertex" is ambiguous — an edge has two).
vertex
Capture a lineage-based reference to
vertex: the roles of the ≥3 faces meeting at it, plus a position hint. Returns undefined when fewer than three named faces meet there (a 2-face "vertex" is ambiguous — an edge has two).