def _set_subdivision_levels(prop, value):
cloth_mesh_object: bpy.types.Object = prop.id_data
cloth_modifier: bpy.types.ClothModifier = MeshEditor(
prop.id_data).find_subsurface_modifier(
name='mmd_uuunyaa_physics_cloth_subsurface')
cloth_modifier.levels = value
cloth_modifier.render_levels = value
for obj in bpy.data.objects:
if obj.type != 'MESH':
continue
for modifier in obj.modifiers:
if modifier.type != 'SURFACE_DEFORM':
continue
if modifier.target != cloth_mesh_object:
continue
# bind/unbind -> unbind/bind
# pylint: disable=redundant-keyword-arg
bpy.ops.object.surfacedeform_bind({'object': obj},
modifier=modifier.name)
bpy.ops.object.surfacedeform_bind({'object': obj},
modifier=modifier.name)
return
def mmd_model_cloths_method(self):
for obj in self.allObjects(self.clothGroupObject()):
if obj.type != 'MESH':
continue
if MeshEditor(obj).find_cloth_modifier() is None:
continue
yield obj
def poll(cls, context: bpy.types.Context):
if context.mode != 'OBJECT':
return False
active_object = context.active_object
if active_object is None:
return False
if active_object.type != 'MESH':
return False
return MeshEditor(active_object).find_cloth_modifier() is not None
def execute(self, context: bpy.types.Context):
try:
for obj in context.selected_objects:
if obj.type != 'MESH':
continue
MeshEditor(obj).remove_cloth_modifier()
except MessageException as ex:
self.report(type={'ERROR'}, message=str(ex))
return {'CANCELLED'}
return {'FINISHED'}
def execute(self, context: bpy.types.Context):
from_object = context.active_object
from_settings = from_object.mmd_uuunyaa_tools_collision_settings
from_modifier = MeshEditor(from_object).get_collision_modifier()
for to_object in context.selected_objects:
if to_object.type != 'MESH':
continue
if from_object == to_object:
continue
MeshEditor(to_object).get_collision_modifier(from_modifier.name)
to_settings = to_object.mmd_uuunyaa_tools_collision_settings
to_settings.presets = from_settings.presets
to_settings.damping = from_settings.damping
to_settings.thickness_outer = from_settings.thickness_outer
to_settings.thickness_inner = from_settings.thickness_inner
to_settings.cloth_friction = from_settings.cloth_friction
return {'FINISHED'}
def execute(self, context: bpy.types.Context):
from_object = context.active_object
from_settings = from_object.mmd_uuunyaa_tools_cloth_settings
from_modifier = MeshEditor(from_object).get_cloth_modifier()
for to_object in context.selected_objects:
if to_object.type != 'MESH':
continue
if from_object == to_object:
continue
MeshEditor(to_object).get_cloth_modifier(from_modifier.name)
to_settings = to_object.mmd_uuunyaa_tools_cloth_settings
to_settings.presets = from_settings.presets
to_settings.mass = from_settings.mass
to_settings.stiffness = from_settings.stiffness
to_settings.damping = from_settings.damping
to_settings.collision_quality = from_settings.collision_quality
to_settings.distance_min = from_settings.distance_min
to_settings.impulse_clamp = from_settings.impulse_clamp
return {'FINISHED'}
def execute(self, context: bpy.types.Context):
key_object = context.active_object
key_settings = key_object.mmd_uuunyaa_tools_collision_settings
obj: bpy.types.Object
for obj in self.filter_only_in_mmd_model(
key_object) if self.same_mmd_model else bpy.data.objects:
if obj.type != 'MESH':
continue
if MeshEditor(obj).find_collision_modifier() is None:
continue
if self.same_physics_settings and not key_settings.physics_equals(
obj.mmd_uuunyaa_tools_collision_settings):
continue
obj.select_set(True)
return {'FINISHED'}
def execute(self, context: bpy.types.Context):
key_object = context.active_object
key_rigid_body_object = key_object.find_rigid_body_object()
obj: bpy.types.Object
for obj in self.filter_only_in_mmd_model(
key_object) if self.only_in_mmd_model else bpy.data.objects:
if obj.type != 'MESH':
continue
rigid_body_object = MeshEditor(obj).find_rigid_body_object()
if rigid_body_object is None:
continue
if self.only_same_settings and rigid_body_object != key_rigid_body_object:
continue
obj.select_set(True)
return {'FINISHED'}
def draw(self, context: bpy.types.Context):
layout = self.layout
mesh_object: bpy.types.Object = context.active_object
cloth_settings = mesh_object.mmd_uuunyaa_tools_cloth_settings
box = layout.box()
col = box.column()
col.prop(cloth_settings, 'presets')
col.prop(cloth_settings, 'mass')
col.prop(cloth_settings, 'stiffness')
col.prop(cloth_settings, 'damping')
col = box.column()
col.label(text=_('Collision:'))
col.prop(cloth_settings, 'collision_quality')
col.prop(cloth_settings, 'distance_min', slider=True)
col.prop(cloth_settings, 'impulse_clamp')
col = box.column()
col.label(text=_('Batch Operation:'))
col.operator(CopyClothAdjusterSettings.bl_idname,
text=_('Copy to Selected'),
icon='DUPLICATE')
col = layout.column(align=True)
col.label(text=_('Cache:'))
row = col.row(align=True)
row.prop(cloth_settings, 'frame_start', text=_('Simulation Start'))
row.prop(cloth_settings, 'frame_end', text=_('Simulation End'))
if MeshEditor(mesh_object).find_subsurface_modifier(
'mmd_uuunyaa_physics_cloth_subsurface') is None:
return
col = layout.column(align=True)
col.label(text=_('Subdivision:'))
col.prop(cloth_settings,
'subdivision_levels',
text=_('Subdivision Levels'))
def _set_damping(prop, value):
cloth_settings: bpy.types.ClothSettings = MeshEditor(
prop.id_data).find_cloth_settings()
cloth_settings.tension_damping = value
cloth_settings.compression_damping = value
cloth_settings.shear_damping = value
class ClothAdjusterSettingsPropertyGroup(bpy.types.PropertyGroup):
@staticmethod
def _update_presets(prop, _):
TUNERS[prop.presets](prop.id_data).execute()
presets: bpy.props.EnumProperty(name=_('Presets'),
items=TUNERS.to_enum_property_items(),
update=_update_presets.__func__,
default=None)
mass: bpy.props.FloatProperty(
name=_('Vertex Mass'),
min=0,
soft_max=10,
step=10,
unit='MASS',
get=lambda p: getattr(
MeshEditor(p.id_data).find_cloth_settings(), 'mass', 0),
set=lambda p, v: setattr(
MeshEditor(p.id_data).find_cloth_settings(), 'mass', v),
)
@staticmethod
def _set_stiffness(prop, value):
cloth_settings: bpy.types.ClothSettings = MeshEditor(
prop.id_data).find_cloth_settings()
cloth_settings.tension_stiffness = value
cloth_settings.compression_stiffness = value
cloth_settings.shear_stiffness = value
stiffness: bpy.props.FloatProperty(
name=_('Stiffness'),
min=0,
soft_max=50,
max=10000,
precision=3,
step=10,
get=lambda p: getattr(
MeshEditor(p.id_data).find_cloth_settings(), 'tension_stiffness', 0
),
set=_set_stiffness.__func__,
)
@staticmethod
def _set_damping(prop, value):
cloth_settings: bpy.types.ClothSettings = MeshEditor(
prop.id_data).find_cloth_settings()
cloth_settings.tension_damping = value
cloth_settings.compression_damping = value
cloth_settings.shear_damping = value
damping: bpy.props.FloatProperty(
name=_('Damping'),
min=0,
max=50,
precision=3,
step=10,
get=lambda p: getattr(
MeshEditor(p.id_data).find_cloth_settings(), 'tension_damping', 0),
set=_set_damping.__func__,
)
collision_quality: bpy.props.IntProperty(
name=_('Collision Quality'),
min=1,
max=20,
get=lambda p: getattr(
MeshEditor(p.id_data).find_cloth_collision_settings(),
'collision_quality', 0),
set=lambda p, v: setattr(
MeshEditor(p.id_data).find_cloth_collision_settings(),
'collision_quality', v),
)
distance_min: bpy.props.FloatProperty(
name=_('Minimum Distance'),
min=0.001,
max=1.000,
step=10,
unit='LENGTH',
get=lambda p: getattr(
MeshEditor(p.id_data).find_cloth_collision_settings(),
'distance_min', 0),
set=lambda p, v: setattr(
MeshEditor(p.id_data).find_cloth_collision_settings(),
'distance_min', v),
)
impulse_clamp: bpy.props.FloatProperty(
name=_('Impulse Clamping'),
min=0,
max=100,
precision=3,
step=10,
get=lambda p: getattr(
MeshEditor(p.id_data).find_cloth_collision_settings(),
'impulse_clamp', 0),
set=lambda p, v: setattr(
MeshEditor(p.id_data).find_cloth_collision_settings(),
'impulse_clamp', v),
)
frame_start: bpy.props.IntProperty(
name=_('Simulation Start'),
min=0,
max=1048574,
get=lambda p: getattr(
getattr(
MeshEditor(p.id_data).find_cloth_modifier(), 'point_cache',
None), 'frame_start', 0),
set=lambda p, v: setattr(
MeshEditor(p.id_data).find_cloth_modifier().point_cache,
'frame_start', v),
)
frame_end: bpy.props.IntProperty(
name=_('Simulation End'),
min=1,
max=1048574,
get=lambda p: getattr(
getattr(
MeshEditor(p.id_data).find_cloth_modifier(), 'point_cache',
None), 'frame_end', 0),
set=lambda p, v: setattr(
MeshEditor(p.id_data).find_cloth_modifier().point_cache,
'frame_end', v),
)
@staticmethod
def _set_subdivision_levels(prop, value):
cloth_mesh_object: bpy.types.Object = prop.id_data
cloth_modifier: bpy.types.ClothModifier = MeshEditor(
prop.id_data).find_subsurface_modifier(
name='mmd_uuunyaa_physics_cloth_subsurface')
cloth_modifier.levels = value
cloth_modifier.render_levels = value
for obj in bpy.data.objects:
if obj.type != 'MESH':
continue
for modifier in obj.modifiers:
if modifier.type != 'SURFACE_DEFORM':
continue
if modifier.target != cloth_mesh_object:
continue
# bind/unbind -> unbind/bind
# pylint: disable=redundant-keyword-arg
bpy.ops.object.surfacedeform_bind({'object': obj},
modifier=modifier.name)
bpy.ops.object.surfacedeform_bind({'object': obj},
modifier=modifier.name)
return
subdivision_levels: bpy.props.IntProperty(
name=_('Subdivision Levels'),
min=0,
soft_max=2,
max=6,
get=lambda p: getattr(
MeshEditor(p.id_data).find_subsurface_modifier(
name='mmd_uuunyaa_physics_cloth_subsurface'), 'levels', 0),
set=_set_subdivision_levels.__func__,
)
def physics_equals(self, obj):
return (isinstance(obj, ClothAdjusterSettingsPropertyGroup)
and self.presets == obj.presets and self.mass == obj.mass
and self.stiffness == obj.stiffness
and self.damping == obj.damping
and self.collision_quality == obj.collision_quality
and self.distance_min == obj.distance_min
and self.impulse_clamp == obj.impulse_clamp)
def cache_equals(self, obj):
return (isinstance(obj, ClothAdjusterSettingsPropertyGroup)
and self.frame_start == obj.frame_start
and self.frame_end == obj.frame_end)
@staticmethod
def register():
# pylint: disable=assignment-from-no-return
bpy.types.Object.mmd_uuunyaa_tools_cloth_settings = bpy.props.PointerProperty(
type=ClothAdjusterSettingsPropertyGroup)
@staticmethod
def unregister():
del bpy.types.Object.mmd_uuunyaa_tools_cloth_settings
def poll(cls, context: bpy.types.Context):
return MeshEditor(
context.active_object).find_cloth_modifier() is not None
class CollisionAdjusterSettingsPropertyGroup(bpy.types.PropertyGroup):
@staticmethod
def _update_presets(prop, _):
TUNERS[prop.presets](prop.id_data).execute()
presets: bpy.props.EnumProperty(name=_('Presets'),
items=TUNERS.to_enum_property_items(),
update=_update_presets.__func__,
default=None)
damping: bpy.props.FloatProperty(
name=_('Damping'),
min=0.000,
max=1.000,
precision=3,
get=lambda p: getattr(
MeshEditor(p.id_data).find_collision_settings(), 'damping', 0),
set=lambda p, v: setattr(
MeshEditor(p.id_data).find_collision_settings(), 'damping', v),
)
thickness_outer: bpy.props.FloatProperty(
name=_('Thickness Outer'),
min=0.001,
max=1.000,
precision=3,
get=lambda p: getattr(
MeshEditor(p.id_data).find_collision_settings(), 'thickness_outer',
0),
set=lambda p, v: setattr(
MeshEditor(p.id_data).find_collision_settings(), 'thickness_outer',
v),
)
thickness_inner: bpy.props.FloatProperty(
name=_('Thickness Inner'),
min=0.001,
max=1.000,
precision=3,
get=lambda p: getattr(
MeshEditor(p.id_data).find_collision_settings(), 'thickness_inner',
0),
set=lambda p, v: setattr(
MeshEditor(p.id_data).find_collision_settings(), 'thickness_inner',
v),
)
cloth_friction: bpy.props.FloatProperty(
name=_('Cloth Friction'),
min=0.000,
max=80.000,
step=10,
precision=3,
get=lambda p: getattr(
MeshEditor(p.id_data).find_collision_settings(), 'cloth_friction',
0),
set=lambda p, v: setattr(
MeshEditor(p.id_data).find_collision_settings(), 'cloth_friction',
v),
)
def physics_equals(self, obj):
return (isinstance(obj, CollisionAdjusterSettingsPropertyGroup)
and self.presets == obj.presets and self.damping == obj.damping
and self.thickness_outer == obj.thickness_outer
and self.thickness_inner == obj.thickness_inner
and self.cloth_friction == obj.cloth_friction)
@staticmethod
def register():
# pylint: disable=assignment-from-no-return
bpy.types.Object.mmd_uuunyaa_tools_collision_settings = bpy.props.PointerProperty(
type=CollisionAdjusterSettingsPropertyGroup)
@staticmethod
def unregister():
del bpy.types.Object.mmd_uuunyaa_tools_collision_settings
def assign_deform_weights(pyramid_armature_object: bpy.types.Object, deform_mesh_object: bpy.types.Object, target_bone_name: str, boundary_expansion_hop_count: int):
mesh_editor = MeshEditor(deform_mesh_object)
deform_bmesh: bmesh.types.BMesh = bmesh.new()
start_time = datetime.datetime.now()
print(f'assign deform weights:begin: {target_bone_name}')
# pylint: disable=no-member
depsgraph: bpy.types.Depsgraph = bpy.context.evaluated_depsgraph_get()
deform_bmesh.from_object(mesh_editor.mesh_object, depsgraph)
deform_bmesh.transform(deform_mesh_object.matrix_world)
vid2weight = expand_boundary(
to_vid2weight(deform_bmesh, mesh_editor.get_vertex_group(target_bone_name).index),
deform_bmesh, boundary_expansion_hop_count
)
deform_bmesh_verts = deform_bmesh.verts
print(f'assign deform weights:build_adjacencies: vid_count={len(vid2weight)}, {datetime.datetime.now() - start_time}')
adjacencies, vid2uid = build_adjacencies(deform_bmesh_verts, vid2weight)
# unified vertex id to numpy id
uid2nid: Dict[int, int] = {uid: nid for nid, uid in enumerate(set(vid2uid.values()))}
uid2vids: Dict[int, List[int]] = {uid: [vid for vid in vid2uid if vid2uid[vid] == uid] for uid in vid2uid.values()}
nid2uid: Dict[int, int] = {v: k for k, v in uid2nid.items()}
sink_nids: Set[int] = set()
for index, weight in vid2weight.items():
if weight > 0:
continue
sink_nids.add(uid2nid[vid2uid[index]])
nid_count = len(uid2nid)
adjacency_matrix = np.zeros((nid_count, nid_count))
for (from_uid, to_uid), span in adjacencies.items():
magnitude = math.exp(-span)
adjacency_matrix[uid2nid[from_uid], uid2nid[to_uid]] = magnitude
adjacency_matrix[uid2nid[to_uid], uid2nid[from_uid]] = magnitude
deform_bmesh_verts.ensure_lookup_table()
vertex_kdtree = mathutils.kdtree.KDTree(nid_count)
for uid in uid2nid:
if vid2weight[uid] == 0:
continue
vertex_kdtree.insert(deform_bmesh_verts[uid].co, uid)
vertex_kdtree.balance()
def collect_nid2weight(position: Vector, scale: float):
max_weight: Union[float, None] = None
nid2weight: Dict[int, float] = {}
for _co, near_uid, near_span in vertex_kdtree.find_n(position, 16):
weight = math.exp(-near_span/scale)
if max_weight is None:
max_weight = weight
weight = 1
else:
weight = weight / max_weight
nid2weight[uid2nid[near_uid]] = weight
if weight < 0.4:
break
return nid2weight
bone_names = PyramidBoneNames(target_bone_name)
pyramid_armature: bpy.types.Armature = pyramid_armature_object.data
pyramid_origin = pyramid_armature_object.location
bone_length = pyramid_armature.bones[bone_names.apex].length
bone_name2nid2weight: Dict[str, Dict[int, float]] = {
bone_names.apex: collect_nid2weight(pyramid_armature.bones[bone_names.apex].tail_local + pyramid_origin, bone_length),
bone_names.base_a: collect_nid2weight(pyramid_armature.bones[bone_names.base_a].head_local + pyramid_origin, bone_length),
bone_names.base_b: collect_nid2weight(pyramid_armature.bones[bone_names.base_b].head_local + pyramid_origin, bone_length),
bone_names.base_c: collect_nid2weight(pyramid_armature.bones[bone_names.base_c].head_local + pyramid_origin, bone_length),
bone_names.base_d: collect_nid2weight(pyramid_armature.bones[bone_names.base_d].head_local + pyramid_origin, bone_length),
}
print(f'assign deform weights:auto_weight: nid_count={nid_count}, {datetime.datetime.now() - start_time}')
laplacian_matrix = np.diag(np.sum(adjacency_matrix, axis=1))
laplacian_matrix -= adjacency_matrix
eigen_values, eigen_vector = np.linalg.eigh(laplacian_matrix)
diffusion = np.exp(-eigen_values*2)
for bone_name in bone_name2nid2weight:
nid2weight = {
nid: (weight * 10 if b == bone_name else -weight)
for b, n2w in bone_name2nid2weight.items()
for nid, weight in n2w.items()
}
print(f'assign deform weights:auto_weight: {bone_name}, {datetime.datetime.now() - start_time}')
weights = np.zeros(nid_count)
for _iteration in range(min(60, nid_count//2)):
for nid, weight in nid2weight.items():
if weight > 0:
weights[nid] += weight
else:
weights[nid] = 0
weights = eigen_vector.T @ weights
weights *= diffusion
weights = eigen_vector @ weights
for nid in sink_nids:
weights[nid] = 0
# normalize
weights[weights < 0] = 0
weights = weights / np.max(weights)
mesh_editor.edit_vertex_group(bone_name, [
(uid2vids[nid2uid[nid]], weights[nid].item() * vid2weight[nid2uid[nid]]) for nid in range(nid_count)
])
deform_bmesh.free()
print(f'assign deform weights:finish: {datetime.datetime.now() - start_time}')
def convert(cls, mmd_root_object: bpy.types.Object,
rigid_body_objects: List[bpy.types.Object],
mesh_objects: List[bpy.types.Object], subdivision_level: int,
ribbon_stiffness: float, physics_mode: PhysicsMode,
extend_ribbon_area: bool): # pylint: disable=too-many-arguments
# pylint: disable=too-many-locals, too-many-statements
mmd_model = import_mmd_tools().core.model.Model(mmd_root_object)
mmd_mesh_object = mesh_objects[0]
mmd_armature_object = mmd_model.armature()
rigid_bodys_count = len(rigid_body_objects)
rigid_body_index_dict = {
rigid_body_objects[i]: i
for i in range(rigid_bodys_count)
}
pose_bones: List[bpy.types.PoseBone] = []
for rigid_body_object in rigid_body_objects:
pose_bone = mmd_armature_object.pose.bones.get(
rigid_body_object.mmd_rigid.bone)
if pose_bone is None:
raise MessageException(
iface_(
'No bones related with {rigid_body_name}, Please relate a bone to the Rigid Body.'
).format(rigid_body_name=rigid_body_object.name))
pose_bones.append(pose_bone)
def remove_objects(objects: Iterable[bpy.types.Object]):
for obj in objects:
bpy.data.objects.remove(obj)
joint_objects, joint_edge_indices, side_joint_objects = cls.collect_joints(
mmd_model, rigid_body_index_dict)
remove_objects(joint_objects)
cloth_mesh = bpy.data.meshes.new('physics_cloth')
cloth_mesh.from_pydata([r.location for r in rigid_body_objects],
joint_edge_indices, [])
cloth_mesh.validate()
cloth_mesh_object = bpy.data.objects.new('physics_cloth', cloth_mesh)
cloth_mesh_object.parent = mmd_model.clothGroupObject()
cloth_mesh_object.hide_render = True
cloth_mesh_object.display_type = 'WIRE'
# 标记出特殊边和点
# These are special edge and vertex
cloth_bm: bmesh.types.BMesh = bmesh.new()
cloth_bm.from_mesh(cloth_mesh)
cls.clean_mesh(cloth_bm, joint_edge_indices)
# 标出头部，尾部，飘带顶点
# try mark head,tail,ribbon vertex
cloth_bm.verts.ensure_lookup_table()
cloth_bm.edges.ensure_lookup_table()
vertices = cls.collect_vertices(cloth_bm, pose_bones, physics_mode,
extend_ribbon_area)
edges = cls.collect_edges(cloth_bm, vertices)
new_up_verts = cls.extend_up_edges(cloth_bm, pose_bones, vertices,
edges, physics_mode)
new_down_verts = cls.extend_down_edges(cloth_bm, pose_bones, vertices,
edges)
cls.fill_faces(cloth_bm, edges.up_edges, new_up_verts)
cls.fill_faces(cloth_bm, edges.down_edges, new_down_verts)
cloth_bm.verts.index_update()
cloth_bm.faces.ensure_lookup_table()
new_side_verts = cls.extend_side_vertices(cloth_bm, vertices, edges)
cls.fill_faces(cloth_bm, edges.side_edges, new_side_verts)
new_ribbon_verts = cls.extend_ribbon_vertices(cloth_bm)
cls.fill_faces(cloth_bm, [e for e in cloth_bm.edges if e.is_wire],
new_ribbon_verts)
cls.normals_make_consistent(cloth_bm)
cloth_bm.verts.ensure_lookup_table()
cloth_bm.edges.ensure_lookup_table()
cloth_bm.to_mesh(cloth_mesh)
pin_vertex_group = cls.new_pin_vertex_group(cloth_mesh_object,
side_joint_objects,
new_up_verts,
new_side_verts,
rigid_body_index_dict)
remove_objects(side_joint_objects)
deform_vertex_group: bpy.types.VertexGroup = mmd_mesh_object.vertex_groups.new(
name='physics_cloth_deform')
mesh_editor = MeshEditor(cloth_mesh_object)
mesh_editor.link_to_active_collection()
mesh_editor.add_subsurface_modifier('physics_cloth_subsurface',
subdivision_level,
subdivision_level)
mesh_editor.add_armature_modifier('physics_cloth_armature',
mmd_armature_object,
vertex_group=pin_vertex_group.name)
mesh_editor.edit_cloth_modifier(
'physics_cloth', vertex_group_mass=pin_vertex_group.name)
corrective_smooth_modifier = mesh_editor.add_corrective_smooth_modifier(
'physics_cloth_smooth',
smooth_type='LENGTH_WEIGHTED',
rest_source='BIND')
bpy.ops.object.correctivesmooth_bind(
modifier=corrective_smooth_modifier.name)
if subdivision_level == 0:
corrective_smooth_modifier.show_viewport = False
deform_vertex_group_index = deform_vertex_group.index
vertices_ribbon_verts = vertices.ribbon_verts
cls.bind_mmd_mesh(mmd_mesh_object, cloth_mesh_object, cloth_bm,
pose_bones, deform_vertex_group_index,
vertices_ribbon_verts, physics_mode)
cls.set_pin_vertex_weight(pin_vertex_group, vertices_ribbon_verts,
ribbon_stiffness, physics_mode)
remove_objects(rigid_body_objects)
if not vertices.all_ribbon and physics_mode in {
PhysicsMode.AUTO, PhysicsMode.SURFACE_DEFORM
}:
bpy.context.view_layer.objects.active = mmd_mesh_object
bpy.ops.object.surfacedeform_bind(modifier=MeshEditor(
mmd_mesh_object).add_surface_deform_modifier(
'physics_cloth_deform',
target=cloth_mesh_object,
vertex_group=deform_vertex_group.name).name)
cloth_bm.free()
def poll(cls, context: bpy.types.Context):
return MeshEditor(
context.active_object).find_rigid_body_object() is not None
