godot-docs/classes/class_skeleton.rst

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.. _class_Skeleton:

Skeleton
========

**Inherits:** :ref:`Spatial<class_Spatial>` **<** :ref:`Node<class_Node>` **<** :ref:`Object<class_Object>`

**Category:** Core

Brief Description
-----------------

Skeleton for characters and animated objects.

Properties
----------

+-------------------------+-----------------------------------------------------------------------------------+
| :ref:`bool<class_bool>` | :ref:`bones_in_world_transform<class_Skeleton_property_bones_in_world_transform>` |
+-------------------------+-----------------------------------------------------------------------------------+

Methods
-------

+-----------------------------------+-------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| void                              | :ref:`add_bone<class_Skeleton_method_add_bone>` **(** :ref:`String<class_String>` name **)**                                                                      |
+-----------------------------------+-------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| void                              | :ref:`bind_child_node_to_bone<class_Skeleton_method_bind_child_node_to_bone>` **(** :ref:`int<class_int>` bone_idx, :ref:`Node<class_Node>` node **)**            |
+-----------------------------------+-------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| void                              | :ref:`clear_bones<class_Skeleton_method_clear_bones>` **(** **)**                                                                                                 |
+-----------------------------------+-------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| :ref:`int<class_int>`             | :ref:`find_bone<class_Skeleton_method_find_bone>` **(** :ref:`String<class_String>` name **)** const                                                              |
+-----------------------------------+-------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| :ref:`int<class_int>`             | :ref:`get_bone_count<class_Skeleton_method_get_bone_count>` **(** **)** const                                                                                     |
+-----------------------------------+-------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| :ref:`Transform<class_Transform>` | :ref:`get_bone_custom_pose<class_Skeleton_method_get_bone_custom_pose>` **(** :ref:`int<class_int>` bone_idx **)** const                                          |
+-----------------------------------+-------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| :ref:`Transform<class_Transform>` | :ref:`get_bone_global_pose<class_Skeleton_method_get_bone_global_pose>` **(** :ref:`int<class_int>` bone_idx **)** const                                          |
+-----------------------------------+-------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| :ref:`String<class_String>`       | :ref:`get_bone_name<class_Skeleton_method_get_bone_name>` **(** :ref:`int<class_int>` bone_idx **)** const                                                        |
+-----------------------------------+-------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| :ref:`int<class_int>`             | :ref:`get_bone_parent<class_Skeleton_method_get_bone_parent>` **(** :ref:`int<class_int>` bone_idx **)** const                                                    |
+-----------------------------------+-------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| :ref:`Transform<class_Transform>` | :ref:`get_bone_pose<class_Skeleton_method_get_bone_pose>` **(** :ref:`int<class_int>` bone_idx **)** const                                                        |
+-----------------------------------+-------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| :ref:`Transform<class_Transform>` | :ref:`get_bone_rest<class_Skeleton_method_get_bone_rest>` **(** :ref:`int<class_int>` bone_idx **)** const                                                        |
+-----------------------------------+-------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| :ref:`Transform<class_Transform>` | :ref:`get_bone_transform<class_Skeleton_method_get_bone_transform>` **(** :ref:`int<class_int>` bone_idx **)** const                                              |
+-----------------------------------+-------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| :ref:`Array<class_Array>`         | :ref:`get_bound_child_nodes_to_bone<class_Skeleton_method_get_bound_child_nodes_to_bone>` **(** :ref:`int<class_int>` bone_idx **)** const                        |
+-----------------------------------+-------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| :ref:`bool<class_bool>`           | :ref:`is_bone_rest_disabled<class_Skeleton_method_is_bone_rest_disabled>` **(** :ref:`int<class_int>` bone_idx **)** const                                        |
+-----------------------------------+-------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| void                              | :ref:`physical_bones_add_collision_exception<class_Skeleton_method_physical_bones_add_collision_exception>` **(** :ref:`RID<class_RID>` exception **)**           |
+-----------------------------------+-------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| void                              | :ref:`physical_bones_remove_collision_exception<class_Skeleton_method_physical_bones_remove_collision_exception>` **(** :ref:`RID<class_RID>` exception **)**     |
+-----------------------------------+-------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| void                              | :ref:`physical_bones_start_simulation<class_Skeleton_method_physical_bones_start_simulation>` **(** :ref:`Array<class_Array>` bones=[  ] **)**                    |
+-----------------------------------+-------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| void                              | :ref:`physical_bones_stop_simulation<class_Skeleton_method_physical_bones_stop_simulation>` **(** **)**                                                           |
+-----------------------------------+-------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| void                              | :ref:`set_bone_custom_pose<class_Skeleton_method_set_bone_custom_pose>` **(** :ref:`int<class_int>` bone_idx, :ref:`Transform<class_Transform>` custom_pose **)** |
+-----------------------------------+-------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| void                              | :ref:`set_bone_disable_rest<class_Skeleton_method_set_bone_disable_rest>` **(** :ref:`int<class_int>` bone_idx, :ref:`bool<class_bool>` disable **)**             |
+-----------------------------------+-------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| void                              | :ref:`set_bone_global_pose<class_Skeleton_method_set_bone_global_pose>` **(** :ref:`int<class_int>` bone_idx, :ref:`Transform<class_Transform>` pose **)**        |
+-----------------------------------+-------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| void                              | :ref:`set_bone_ignore_animation<class_Skeleton_method_set_bone_ignore_animation>` **(** :ref:`int<class_int>` bone, :ref:`bool<class_bool>` ignore **)**          |
+-----------------------------------+-------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| void                              | :ref:`set_bone_parent<class_Skeleton_method_set_bone_parent>` **(** :ref:`int<class_int>` bone_idx, :ref:`int<class_int>` parent_idx **)**                        |
+-----------------------------------+-------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| void                              | :ref:`set_bone_pose<class_Skeleton_method_set_bone_pose>` **(** :ref:`int<class_int>` bone_idx, :ref:`Transform<class_Transform>` pose **)**                      |
+-----------------------------------+-------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| void                              | :ref:`set_bone_rest<class_Skeleton_method_set_bone_rest>` **(** :ref:`int<class_int>` bone_idx, :ref:`Transform<class_Transform>` rest **)**                      |
+-----------------------------------+-------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| void                              | :ref:`unbind_child_node_from_bone<class_Skeleton_method_unbind_child_node_from_bone>` **(** :ref:`int<class_int>` bone_idx, :ref:`Node<class_Node>` node **)**    |
+-----------------------------------+-------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| void                              | :ref:`unparent_bone_and_rest<class_Skeleton_method_unparent_bone_and_rest>` **(** :ref:`int<class_int>` bone_idx **)**                                            |
+-----------------------------------+-------------------------------------------------------------------------------------------------------------------------------------------------------------------+

Constants
---------

.. _class_Skeleton_constant_NOTIFICATION_UPDATE_SKELETON:

- **NOTIFICATION_UPDATE_SKELETON** = **50**

Description
-----------

Skeleton provides a hierarchical interface for managing bones, including pose, rest and animation (see :ref:`Animation<class_Animation>`). Skeleton will support rag doll dynamics in the future.

The overall transform of a bone with respect to the skeleton is determined by the following hierarchical order: rest pose, custom pose and pose.

Note that "global pose" below refers to the overall transform of the bone with respect to skeleton, so it not the actual global/world transform of the bone.

Property Descriptions
---------------------

.. _class_Skeleton_property_bones_in_world_transform:

- :ref:`bool<class_bool>` **bones_in_world_transform**

+----------+-----------------------------------------+
| *Setter* | set_use_bones_in_world_transform(value) |
+----------+-----------------------------------------+
| *Getter* | is_using_bones_in_world_transform()     |
+----------+-----------------------------------------+

Method Descriptions
-------------------

.. _class_Skeleton_method_add_bone:

- void **add_bone** **(** :ref:`String<class_String>` name **)**

Add a bone, with name "name". :ref:`get_bone_count<class_Skeleton_method_get_bone_count>` will become the bone index.

----

.. _class_Skeleton_method_bind_child_node_to_bone:

- void **bind_child_node_to_bone** **(** :ref:`int<class_int>` bone_idx, :ref:`Node<class_Node>` node **)**

Deprecated soon.

----

.. _class_Skeleton_method_clear_bones:

- void **clear_bones** **(** **)**

Clear all the bones in this skeleton.

----

.. _class_Skeleton_method_find_bone:

- :ref:`int<class_int>` **find_bone** **(** :ref:`String<class_String>` name **)** const

Returns the bone index that matches "name" as its name.

----

.. _class_Skeleton_method_get_bone_count:

- :ref:`int<class_int>` **get_bone_count** **(** **)** const

Returns the amount of bones in the skeleton.

----

.. _class_Skeleton_method_get_bone_custom_pose:

- :ref:`Transform<class_Transform>` **get_bone_custom_pose** **(** :ref:`int<class_int>` bone_idx **)** const

Returns the custom pose of the specified bone. Custom pose is applied on top of the rest pose.

----

.. _class_Skeleton_method_get_bone_global_pose:

- :ref:`Transform<class_Transform>` **get_bone_global_pose** **(** :ref:`int<class_int>` bone_idx **)** const

Returns the overall transform of the specified bone, with respect to the skeleton. Being relative to the skeleton frame, this is not the actual "global" transform of the bone.

----

.. _class_Skeleton_method_get_bone_name:

- :ref:`String<class_String>` **get_bone_name** **(** :ref:`int<class_int>` bone_idx **)** const

Returns the name of the bone at index "index".

----

.. _class_Skeleton_method_get_bone_parent:

- :ref:`int<class_int>` **get_bone_parent** **(** :ref:`int<class_int>` bone_idx **)** const

Returns the bone index which is the parent of the bone at "bone_idx". If -1, then bone has no parent. Note that the parent bone returned will always be less than "bone_idx".

----

.. _class_Skeleton_method_get_bone_pose:

- :ref:`Transform<class_Transform>` **get_bone_pose** **(** :ref:`int<class_int>` bone_idx **)** const

Returns the pose transform of the specified bone. Pose is applied on top of the custom pose, which is applied on top the rest pose.

----

.. _class_Skeleton_method_get_bone_rest:

- :ref:`Transform<class_Transform>` **get_bone_rest** **(** :ref:`int<class_int>` bone_idx **)** const

Returns the rest transform for a bone "bone_idx".

----

.. _class_Skeleton_method_get_bone_transform:

- :ref:`Transform<class_Transform>` **get_bone_transform** **(** :ref:`int<class_int>` bone_idx **)** const

Returns the combination of custom pose and pose. The returned transform is in skeleton's reference frame.

----

.. _class_Skeleton_method_get_bound_child_nodes_to_bone:

- :ref:`Array<class_Array>` **get_bound_child_nodes_to_bone** **(** :ref:`int<class_int>` bone_idx **)** const

Deprecated soon.

----

.. _class_Skeleton_method_is_bone_rest_disabled:

- :ref:`bool<class_bool>` **is_bone_rest_disabled** **(** :ref:`int<class_int>` bone_idx **)** const

----

.. _class_Skeleton_method_physical_bones_add_collision_exception:

- void **physical_bones_add_collision_exception** **(** :ref:`RID<class_RID>` exception **)**

----

.. _class_Skeleton_method_physical_bones_remove_collision_exception:

- void **physical_bones_remove_collision_exception** **(** :ref:`RID<class_RID>` exception **)**

----

.. _class_Skeleton_method_physical_bones_start_simulation:

- void **physical_bones_start_simulation** **(** :ref:`Array<class_Array>` bones=[  ] **)**

----

.. _class_Skeleton_method_physical_bones_stop_simulation:

- void **physical_bones_stop_simulation** **(** **)**

----

.. _class_Skeleton_method_set_bone_custom_pose:

- void **set_bone_custom_pose** **(** :ref:`int<class_int>` bone_idx, :ref:`Transform<class_Transform>` custom_pose **)**

----

.. _class_Skeleton_method_set_bone_disable_rest:

- void **set_bone_disable_rest** **(** :ref:`int<class_int>` bone_idx, :ref:`bool<class_bool>` disable **)**

----

.. _class_Skeleton_method_set_bone_global_pose:

- void **set_bone_global_pose** **(** :ref:`int<class_int>` bone_idx, :ref:`Transform<class_Transform>` pose **)**

----

.. _class_Skeleton_method_set_bone_ignore_animation:

- void **set_bone_ignore_animation** **(** :ref:`int<class_int>` bone, :ref:`bool<class_bool>` ignore **)**

----

.. _class_Skeleton_method_set_bone_parent:

- void **set_bone_parent** **(** :ref:`int<class_int>` bone_idx, :ref:`int<class_int>` parent_idx **)**

Set the bone index "parent_idx" as the parent of the bone at "bone_idx". If -1, then bone has no parent. Note: "parent_idx" must be less than "bone_idx".

----

.. _class_Skeleton_method_set_bone_pose:

- void **set_bone_pose** **(** :ref:`int<class_int>` bone_idx, :ref:`Transform<class_Transform>` pose **)**

Returns the pose transform for bone "bone_idx".

----

.. _class_Skeleton_method_set_bone_rest:

- void **set_bone_rest** **(** :ref:`int<class_int>` bone_idx, :ref:`Transform<class_Transform>` rest **)**

Set the rest transform for bone "bone_idx"

----

.. _class_Skeleton_method_unbind_child_node_from_bone:

- void **unbind_child_node_from_bone** **(** :ref:`int<class_int>` bone_idx, :ref:`Node<class_Node>` node **)**

Deprecated soon.

----

.. _class_Skeleton_method_unparent_bone_and_rest:

- void **unparent_bone_and_rest** **(** :ref:`int<class_int>` bone_idx **)**