/** * Constructs a new tet. * The nodes n1, n2, and n3 must be in CCW order as viewed from n0. * Alternatively, the nodes n0, n1, and n2 must be in CW order as * viewed from n3. */ private Tet(Node n0, Node n1, Node n2, Node n3) { init(n0,n1,n2,n3); }