def add_face(self, v1, v2, v3): f = d_tri(v1,v2,v3) f.ID = self.potential_face_IDs.pop() self.faces[f.ID] = f self.n_faces += 1 e1 = self.add_half_edge(v1,v2) e2 = self.add_half_edge(v2,v3) e3 = self.add_half_edge(v3,v1) e1.next = e2 e2.next = e3 e3.next = e1 e1.face = f e2.face = f e3.face = f f.edge = e1 vec_e1 = v2.pos-v1.pos vec_e3 = v3.pos-v1.pos f.norm = util_PG.norm(vec_e1.cross(vec_e3)) if len(self.potential_face_IDs) < 1 : self.potential_face_IDs.append(self.n_faces) self.find_edge_twins() return f
def add_face(self, v1, v2, v3):
f = d_tri(v1, v2, v3)
f.ID = self.potential_face_IDs.pop()
self.faces[f.ID] = f
self.n_faces += 1
e1 = self.add_half_edge(v1, v2)
e2 = self.add_half_edge(v2, v3)
e3 = self.add_half_edge(v3, v1)
e1.next = e2
e2.next = e3
e3.next = e1
e1.face = f
e2.face = f
e3.face = f
f.edge = e1
vec_e1 = v2.pos - v1.pos
vec_e3 = v3.pos - v1.pos
f.norm = util_PG.norm(vec_e1.cross(vec_e3))
if len(self.potential_face_IDs) < 1:
self.potential_face_IDs.append(self.n_faces)
self.find_edge_twins()
return f
def __init__(self,x,y,z): self.ID = None self.pos = Vec3(x,y,z) self.color = Vec4(0.5,0.5,0.5,1.0) self.norm = util_PG.norm(Vec3(x,y,z)) self.n_refs = 0
def __init__(self, x, y, z):
self.ID = None
self.pos = Vec3(x, y, z)
self.color = Vec4(0.5, 0.5, 0.5, 1.0)
self.norm = util_PG.norm(Vec3(x, y, z))
self.n_refs = 0