blender 面捕优化

删除空顶点组

import bpy

def make_group_list():
    obj = []
    temp_list = []
    group_list = []
    so = bpy.context.selected_objects
    for i in so:
        obj.append(i)
        for i in obj:
            #I've used .extend here (with square brackets) to add every item to the list
            temp_list.extend([group[0] for group in i.vertex_groups.items()])
            for group_name in temp_list:
                if group_name not in group_list:
                    group_list.append(group_name)
    return group_list


#2. CHECK THE AVERAGE WEIGHT OF EACH VERTEX POINT
def average_weight(vertex_group_names, obj):
    mesh = obj.data
    for vertex in mesh.vertices:
        for group in vertex.groups:
            if group.group in vertex_group_names and group.weight > 0.1:
                return False
    return True


#3. DELETE THE GROUP
def delete_group(obj, vertex_group):
    obj.vertex_groups.remove(vertex_group)

# GROUP_LIST DEFINED
group_list = make_group_list()

#4. MAIN FOR LOOP
for obj in bpy.context.selected_objects: 
    for vertex_group_name in group_list:
        vertex_group = obj.vertex_groups.get(vertex_group_name)
        if vertex_group is not None:
            if average_weight([vertex_group.index], obj):
                delete_group(obj,vertex_group)

复制shapeKey

import bpy

l=[]
obj = bpy.data.objects['Neutral.001']
#obj = bpy.context.active_object
#for i in obj.vertex_groups:
#    print(i.name)

for i in obj.data.shape_keys.key_blocks:
    print(i.name)
    if ('brow' in i.name):
        l.append(i.name)
    
obj = bpy.context.active_object
for i in l:
    obj.shape_key_add(name=i, from_mix=False)

自带

import bpy

childrenList = bpy.data.objects['ShapeKeyModelGrp'].children

for child in childrenList:
    bpy.ops.object.select_all(action='DESELECT')
    child.select_set(True)
    objectToSelect = bpy.data.objects["Neutral"]
    objectToSelect.select_set(True)
    bpy.context.view_layer.objects.active = objectToSelect
    bpy.ops.object.join_shapes()