godot-docs/classes/class_boneattachment3d.rst

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.. _class_BoneAttachment3D:

BoneAttachment3D
================

**Inherits:** :ref:`Node3D<class_Node3D>` **<** :ref:`Node<class_Node>` **<** :ref:`Object<class_Object>`

А node that dynamically copies or overrides the 3D transform of a bone in its parent :ref:`Skeleton3D<class_Skeleton3D>`.

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

This node selects a bone in a :ref:`Skeleton3D<class_Skeleton3D>` and attaches to it. This means that the **BoneAttachment3D** node will either dynamically copy or override the 3D transform of the selected bone.

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Properties
----------

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   :widths: auto

   +-----------------------------+---------------------------------------------------------------------+-----------+
   | :ref:`int<class_int>`       | :ref:`bone_idx<class_BoneAttachment3D_property_bone_idx>`           | ``-1``    |
   +-----------------------------+---------------------------------------------------------------------+-----------+
   | :ref:`String<class_String>` | :ref:`bone_name<class_BoneAttachment3D_property_bone_name>`         | ``""``    |
   +-----------------------------+---------------------------------------------------------------------+-----------+
   | :ref:`bool<class_bool>`     | :ref:`override_pose<class_BoneAttachment3D_property_override_pose>` | ``false`` |
   +-----------------------------+---------------------------------------------------------------------+-----------+

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Methods
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   +---------------------------------+--------------------------------------------------------------------------------------------------------------------------------------------------+
   | :ref:`NodePath<class_NodePath>` | :ref:`get_external_skeleton<class_BoneAttachment3D_method_get_external_skeleton>`\ (\ ) |const|                                                  |
   +---------------------------------+--------------------------------------------------------------------------------------------------------------------------------------------------+
   | :ref:`bool<class_bool>`         | :ref:`get_use_external_skeleton<class_BoneAttachment3D_method_get_use_external_skeleton>`\ (\ ) |const|                                          |
   +---------------------------------+--------------------------------------------------------------------------------------------------------------------------------------------------+
   | |void|                          | :ref:`on_skeleton_update<class_BoneAttachment3D_method_on_skeleton_update>`\ (\ )                                                                |
   +---------------------------------+--------------------------------------------------------------------------------------------------------------------------------------------------+
   | |void|                          | :ref:`set_external_skeleton<class_BoneAttachment3D_method_set_external_skeleton>`\ (\ external_skeleton\: :ref:`NodePath<class_NodePath>`\ )     |
   +---------------------------------+--------------------------------------------------------------------------------------------------------------------------------------------------+
   | |void|                          | :ref:`set_use_external_skeleton<class_BoneAttachment3D_method_set_use_external_skeleton>`\ (\ use_external_skeleton\: :ref:`bool<class_bool>`\ ) |
   +---------------------------------+--------------------------------------------------------------------------------------------------------------------------------------------------+

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

.. _class_BoneAttachment3D_property_bone_idx:

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:ref:`int<class_int>` **bone_idx** = ``-1`` :ref:`🔗<class_BoneAttachment3D_property_bone_idx>`

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- |void| **set_bone_idx**\ (\ value\: :ref:`int<class_int>`\ )
- :ref:`int<class_int>` **get_bone_idx**\ (\ )

The index of the attached bone.

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----

.. _class_BoneAttachment3D_property_bone_name:

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:ref:`String<class_String>` **bone_name** = ``""`` :ref:`🔗<class_BoneAttachment3D_property_bone_name>`

.. rst-class:: classref-property-setget

- |void| **set_bone_name**\ (\ value\: :ref:`String<class_String>`\ )
- :ref:`String<class_String>` **get_bone_name**\ (\ )

The name of the attached bone.

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.. _class_BoneAttachment3D_property_override_pose:

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:ref:`bool<class_bool>` **override_pose** = ``false`` :ref:`🔗<class_BoneAttachment3D_property_override_pose>`

.. rst-class:: classref-property-setget

- |void| **set_override_pose**\ (\ value\: :ref:`bool<class_bool>`\ )
- :ref:`bool<class_bool>` **get_override_pose**\ (\ )

Whether the BoneAttachment3D node will override the bone pose of the bone it is attached to. When set to ``true``, the BoneAttachment3D node can change the pose of the bone. When set to ``false``, the BoneAttachment3D will always be set to the bone's transform.

\ **Note:** This override performs interruptively in the skeleton update process using signals due to the old design. It may cause unintended behavior when used at the same time with :ref:`SkeletonModifier3D<class_SkeletonModifier3D>`.

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Method Descriptions
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.. _class_BoneAttachment3D_method_get_external_skeleton:

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:ref:`NodePath<class_NodePath>` **get_external_skeleton**\ (\ ) |const| :ref:`🔗<class_BoneAttachment3D_method_get_external_skeleton>`

Returns the :ref:`NodePath<class_NodePath>` to the external :ref:`Skeleton3D<class_Skeleton3D>` node, if one has been set.

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.. _class_BoneAttachment3D_method_get_use_external_skeleton:

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:ref:`bool<class_bool>` **get_use_external_skeleton**\ (\ ) |const| :ref:`🔗<class_BoneAttachment3D_method_get_use_external_skeleton>`

Returns whether the BoneAttachment3D node is using an external :ref:`Skeleton3D<class_Skeleton3D>` rather than attempting to use its parent node as the :ref:`Skeleton3D<class_Skeleton3D>`.

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.. _class_BoneAttachment3D_method_on_skeleton_update:

.. rst-class:: classref-method

|void| **on_skeleton_update**\ (\ ) :ref:`🔗<class_BoneAttachment3D_method_on_skeleton_update>`

A function that is called automatically when the :ref:`Skeleton3D<class_Skeleton3D>` is updated. This function is where the **BoneAttachment3D** node updates its position so it is correctly bound when it is *not* set to override the bone pose.

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.. _class_BoneAttachment3D_method_set_external_skeleton:

.. rst-class:: classref-method

|void| **set_external_skeleton**\ (\ external_skeleton\: :ref:`NodePath<class_NodePath>`\ ) :ref:`🔗<class_BoneAttachment3D_method_set_external_skeleton>`

Sets the :ref:`NodePath<class_NodePath>` to the external skeleton that the BoneAttachment3D node should use. See :ref:`set_use_external_skeleton<class_BoneAttachment3D_method_set_use_external_skeleton>` to enable the external :ref:`Skeleton3D<class_Skeleton3D>` node.

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.. _class_BoneAttachment3D_method_set_use_external_skeleton:

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|void| **set_use_external_skeleton**\ (\ use_external_skeleton\: :ref:`bool<class_bool>`\ ) :ref:`🔗<class_BoneAttachment3D_method_set_use_external_skeleton>`

Sets whether the BoneAttachment3D node will use an external :ref:`Skeleton3D<class_Skeleton3D>` node rather than attempting to use its parent node as the :ref:`Skeleton3D<class_Skeleton3D>`. When set to ``true``, the BoneAttachment3D node will use the external :ref:`Skeleton3D<class_Skeleton3D>` node set in :ref:`set_external_skeleton<class_BoneAttachment3D_method_set_external_skeleton>`.

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