def scc_from_c_2d(c_2d, other_sv):
scc = SuperVertex(u=c_2d[0], v=c_2d[1])
scc.face = other_sv.face
scc.face_id = other_sv.face_id
scc.project_to_XYZ()
return scc
def insert_inner_vertex(scdt, c):
vertices, _, _ = scdt
assert len(vertices) > 0
svc = SuperVertex(x=c[0], y=c[1], z=c[2])
svc.face_id = vertices[0].face_id
svc.face = vertices[0].face
svc.project_to_UV()
vertices.append(svc)
return
def insert_halfway_vertex_of_edge(scdt, edge_vertex_indices):
vertices, _, _ = scdt
assert len(vertices) > 0
ev0, ev1 = edge_vertex_indices
sv0 = vertices[ev0]
sv1 = vertices[ev1]
p0 = sv0.UV_vec2()
p1 = sv1.UV_vec2()
p01 = p1 - p0
hw = p0 + (p01 / 2)
svhw = SuperVertex(u=hw[0], v=hw[1])
svhw.face = sv0.face
svhw.face_id = sv0.face_id
svhw.project_to_XYZ()
vertices.append(svhw)
return