public static Partition Create(Topology.FaceEdge edge, IVertexAttribute <Vector3> vertexPositions, Surface surface)
{
var prevEdge = edge.prev;
var vPos0 = vertexPositions[prevEdge];
var vPos1 = vertexPositions[edge];
var edgeVector = vPos1 - vPos0;
var edgeNormal = surface.GetNormal(vPos0);
var planeNormal = Vector3.Cross(edgeVector, edgeNormal).normalized;
return(new Partition(planeNormal, vPos0, edge.twinIndex, edge.index));
}
