else:
return self.faces[0]
+ def other_vertex(self, v):
+ if v.index==self.vertices[0].index:
+ return self.vertices[1]
+ else:
+ return self.vertices[0]
+
class Vertex:
def __init__(self, mv):
if mv.__class__==Vertex:
self._mvert = mv._mvert
+ self.co = mv.co
self.normal = mv.normal
self.uvs = mv.uvs[:]
self.tan = mv.tan
self.bino = mv.bino
+ self.group_weight_scale = mv.group_weight_scale
else:
self._mvert = mv
+ self.co = mv.co
+ self.normal = mv.normal
self.uvs = []
self.tan = None
self.bino = None
+ self.group_weight_scale = 1
self.flag = False
self.faces = []
self.assign_texture_units()
for f in self.faces:
+ if len(f.vertices)>4:
+ raise ValueError("Ngons are not supported")
f.vertices = [self.vertices[i] for i in f.vertices]
for v in f.vertices:
v.faces.append(f)
f.edges.append(e)
self.lines = [Line(e) for e in self.edges.values() if not e.faces]
+ for l in self.lines:
+ l.vertices = [self.vertices[i] for i in l.vertices]
if self.use_auto_smooth:
- smooth_limit = math.cos(self.auto_smooth_angle*math.pi/180)
+ smooth_limit = math.cos(self.auto_smooth_angle)
else:
smooth_limit = -1
def __getattr__(self, attr):
return getattr(self._mesh, attr)
+ def transform(self, matrix):
+ for v in self.vertices:
+ v.co = matrix*v.co
+
def splice(self, other):
material_map = []
for m in other.materials:
v.index = len(self.vertices)
self.vertices.append(v)
+ v_edges = []
+ v_edge_keys = set()
for f in g:
- for j in range(len(f.edges)):
- e = f.edges[j]
-
- if self.vertices[i] not in e.vertices:
+ for e in f.edges:
+ if e.key in v_edge_keys or self.vertices[i] not in e.vertices:
continue
- if e.other_face(f) not in g and len(e.faces)>=2:
- e.faces.remove(f)
- e = Edge(e)
- f.edges[j] = e
- e.faces.append(f)
- else:
- del self.edges[e.key]
+ e_faces_in_g = [c for c in e.faces if c in g]
+ boundary = len(e_faces_in_g)<len(e.faces)
+ v_edges.append((e, boundary, e_faces_in_g))
+ v_edge_keys.add(e.key)
- e.vertices[e.vertices.index(self.vertices[i])] = v
+ for e, boundary, e_faces_in_g in v_edges:
+ if boundary:
+ ne = Edge(e)
+ for c in e_faces_in_g:
+ e.faces.remove(c)
+ c.edges[c.edges.index(e)] = ne
+ ne.faces.append(c)
+ e = ne
+ else:
+ del self.edges[e.key]
- e.key = make_edge_key(e.vertices[0].index, e.vertices[1].index)
- self.edges[e.key] = e
+ e.vertices[e.vertices.index(self.vertices[i])] = v
+ e.key = make_edge_key(e.vertices[0].index, e.vertices[1].index)
+ self.edges[e.key] = e
+
+ for f in g:
self.vertices[i].faces.remove(f)
f.vertices[f.vertices.index(self.vertices[i])] = v
v.faces.append(f)
if progress:
progress.set_progress(0.5+i*0.5/len(self.vertices))
- def split_smooth(self, progress = None):
+ def split_smooth(self, progress=None):
self.split_vertices(self.find_smooth_group, progress)
- def split_uv(self, index, progress = None):
+ def split_uv(self, index, progress=None):
self.split_vertices(self.find_uv_group, progress, index)
def find_smooth_group(self, vertex, face):
fv = f.pivot_vertices(v)
edge1 = fv[1].co-fv[0].co
edge2 = fv[-1].co-fv[0].co
- weight = 1
- if len(f.get_edge(fv[0], fv[1]).faces)==1:
- weight += 1
- if len(f.get_edge(fv[0], fv[-1]).faces)==1:
- weight += 1
- v.normal += f.normal*edge1.angle(edge2)*weight
- v.normal.normalize()
+ if edge1.length and edge2.length:
+ weight = 1
+ if len(f.get_edge(fv[0], fv[1]).faces)==1:
+ weight += 1
+ if len(f.get_edge(fv[0], fv[-1]).faces)==1:
+ weight += 1
+ v.normal += f.normal*edge1.angle(edge2)*weight
+ if v.normal.length:
+ v.normal.normalize()
+ else:
+ v.normal = mathutils.Vector((0, 0, 1))
else:
# XXX Should use edges to compute normal
- v.normal = mathutils.Vector(0, 0, 1)
+ v.normal = mathutils.Vector((0, 0, 1))
def compute_uv(self):
for v in self.vertices:
f = v.faces[0]
i = f.vertices.index(v)
v.uvs = [u[i] for u in f.uvs]
+ else:
+ v.uvs = [(0.0, 0.0)]*len(self.uv_layers)
def compute_tbn(self, index):
if not self.uv_layers:
if v.bino.length:
v.bino.normalize()
+ def sort_vertex_groups(self, max_groups):
+ for v in self.vertices:
+ if v.groups:
+ v.groups = sorted(v.groups, key=(lambda g: g.weight), reverse=True)
+ v.group_weight_scale = 1.0/sum(g.weight for g in v.groups[:max_groups])
+
def create_strip(self, face, max_len):
# Find an edge with another unused face next to it
edge = None
projects / libs / gl.git / blobdiff