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godot-docs/classes/class_meshlibrary.rst
2025-06-07 03:33:02 +00:00

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.. DO NOT EDIT THIS FILE!!!
.. Generated automatically from Godot engine sources.
.. Generator: https://github.com/godotengine/godot/tree/master/doc/tools/make_rst.py.
.. XML source: https://github.com/godotengine/godot/tree/master/doc/classes/MeshLibrary.xml.
.. _class_MeshLibrary:
MeshLibrary
===========
**Inherits:** :ref:`Resource<class_Resource>` **<** :ref:`RefCounted<class_RefCounted>` **<** :ref:`Object<class_Object>`
Library of meshes.
.. rst-class:: classref-introduction-group
Description
-----------
A library of meshes. Contains a list of :ref:`Mesh<class_Mesh>` resources, each with a name and ID. Each item can also include collision and navigation shapes. This resource is used in :ref:`GridMap<class_GridMap>`.
.. rst-class:: classref-introduction-group
Tutorials
---------
- `3D Kinematic Character Demo <https://godotengine.org/asset-library/asset/2739>`__
- `3D Platformer Demo <https://godotengine.org/asset-library/asset/2748>`__
.. rst-class:: classref-reftable-group
Methods
-------
.. table::
:widths: auto
+------------------------------------------------------------------------+-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| |void| | :ref:`clear<class_MeshLibrary_method_clear>`\ (\ ) |
+------------------------------------------------------------------------+-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| |void| | :ref:`create_item<class_MeshLibrary_method_create_item>`\ (\ id\: :ref:`int<class_int>`\ ) |
+------------------------------------------------------------------------+-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| :ref:`int<class_int>` | :ref:`find_item_by_name<class_MeshLibrary_method_find_item_by_name>`\ (\ name\: :ref:`String<class_String>`\ ) |const| |
+------------------------------------------------------------------------+-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| :ref:`PackedInt32Array<class_PackedInt32Array>` | :ref:`get_item_list<class_MeshLibrary_method_get_item_list>`\ (\ ) |const| |
+------------------------------------------------------------------------+-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| :ref:`Mesh<class_Mesh>` | :ref:`get_item_mesh<class_MeshLibrary_method_get_item_mesh>`\ (\ id\: :ref:`int<class_int>`\ ) |const| |
+------------------------------------------------------------------------+-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| :ref:`ShadowCastingSetting<enum_RenderingServer_ShadowCastingSetting>` | :ref:`get_item_mesh_cast_shadow<class_MeshLibrary_method_get_item_mesh_cast_shadow>`\ (\ id\: :ref:`int<class_int>`\ ) |const| |
+------------------------------------------------------------------------+-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| :ref:`Transform3D<class_Transform3D>` | :ref:`get_item_mesh_transform<class_MeshLibrary_method_get_item_mesh_transform>`\ (\ id\: :ref:`int<class_int>`\ ) |const| |
+------------------------------------------------------------------------+-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| :ref:`String<class_String>` | :ref:`get_item_name<class_MeshLibrary_method_get_item_name>`\ (\ id\: :ref:`int<class_int>`\ ) |const| |
+------------------------------------------------------------------------+-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| :ref:`int<class_int>` | :ref:`get_item_navigation_layers<class_MeshLibrary_method_get_item_navigation_layers>`\ (\ id\: :ref:`int<class_int>`\ ) |const| |
+------------------------------------------------------------------------+-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| :ref:`NavigationMesh<class_NavigationMesh>` | :ref:`get_item_navigation_mesh<class_MeshLibrary_method_get_item_navigation_mesh>`\ (\ id\: :ref:`int<class_int>`\ ) |const| |
+------------------------------------------------------------------------+-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| :ref:`Transform3D<class_Transform3D>` | :ref:`get_item_navigation_mesh_transform<class_MeshLibrary_method_get_item_navigation_mesh_transform>`\ (\ id\: :ref:`int<class_int>`\ ) |const| |
+------------------------------------------------------------------------+-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| :ref:`Texture2D<class_Texture2D>` | :ref:`get_item_preview<class_MeshLibrary_method_get_item_preview>`\ (\ id\: :ref:`int<class_int>`\ ) |const| |
+------------------------------------------------------------------------+-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| :ref:`Array<class_Array>` | :ref:`get_item_shapes<class_MeshLibrary_method_get_item_shapes>`\ (\ id\: :ref:`int<class_int>`\ ) |const| |
+------------------------------------------------------------------------+-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| :ref:`int<class_int>` | :ref:`get_last_unused_item_id<class_MeshLibrary_method_get_last_unused_item_id>`\ (\ ) |const| |
+------------------------------------------------------------------------+-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| |void| | :ref:`remove_item<class_MeshLibrary_method_remove_item>`\ (\ id\: :ref:`int<class_int>`\ ) |
+------------------------------------------------------------------------+-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| |void| | :ref:`set_item_mesh<class_MeshLibrary_method_set_item_mesh>`\ (\ id\: :ref:`int<class_int>`, mesh\: :ref:`Mesh<class_Mesh>`\ ) |
+------------------------------------------------------------------------+-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| |void| | :ref:`set_item_mesh_cast_shadow<class_MeshLibrary_method_set_item_mesh_cast_shadow>`\ (\ id\: :ref:`int<class_int>`, shadow_casting_setting\: :ref:`ShadowCastingSetting<enum_RenderingServer_ShadowCastingSetting>`\ ) |
+------------------------------------------------------------------------+-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| |void| | :ref:`set_item_mesh_transform<class_MeshLibrary_method_set_item_mesh_transform>`\ (\ id\: :ref:`int<class_int>`, mesh_transform\: :ref:`Transform3D<class_Transform3D>`\ ) |
+------------------------------------------------------------------------+-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| |void| | :ref:`set_item_name<class_MeshLibrary_method_set_item_name>`\ (\ id\: :ref:`int<class_int>`, name\: :ref:`String<class_String>`\ ) |
+------------------------------------------------------------------------+-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| |void| | :ref:`set_item_navigation_layers<class_MeshLibrary_method_set_item_navigation_layers>`\ (\ id\: :ref:`int<class_int>`, navigation_layers\: :ref:`int<class_int>`\ ) |
+------------------------------------------------------------------------+-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| |void| | :ref:`set_item_navigation_mesh<class_MeshLibrary_method_set_item_navigation_mesh>`\ (\ id\: :ref:`int<class_int>`, navigation_mesh\: :ref:`NavigationMesh<class_NavigationMesh>`\ ) |
+------------------------------------------------------------------------+-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| |void| | :ref:`set_item_navigation_mesh_transform<class_MeshLibrary_method_set_item_navigation_mesh_transform>`\ (\ id\: :ref:`int<class_int>`, navigation_mesh\: :ref:`Transform3D<class_Transform3D>`\ ) |
+------------------------------------------------------------------------+-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| |void| | :ref:`set_item_preview<class_MeshLibrary_method_set_item_preview>`\ (\ id\: :ref:`int<class_int>`, texture\: :ref:`Texture2D<class_Texture2D>`\ ) |
+------------------------------------------------------------------------+-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| |void| | :ref:`set_item_shapes<class_MeshLibrary_method_set_item_shapes>`\ (\ id\: :ref:`int<class_int>`, shapes\: :ref:`Array<class_Array>`\ ) |
+------------------------------------------------------------------------+-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
.. rst-class:: classref-section-separator
----
.. rst-class:: classref-descriptions-group
Method Descriptions
-------------------
.. _class_MeshLibrary_method_clear:
.. rst-class:: classref-method
|void| **clear**\ (\ ) :ref:`🔗<class_MeshLibrary_method_clear>`
Clears the library.
.. rst-class:: classref-item-separator
----
.. _class_MeshLibrary_method_create_item:
.. rst-class:: classref-method
|void| **create_item**\ (\ id\: :ref:`int<class_int>`\ ) :ref:`🔗<class_MeshLibrary_method_create_item>`
Creates a new item in the library with the given ID.
You can get an unused ID from :ref:`get_last_unused_item_id()<class_MeshLibrary_method_get_last_unused_item_id>`.
.. rst-class:: classref-item-separator
----
.. _class_MeshLibrary_method_find_item_by_name:
.. rst-class:: classref-method
:ref:`int<class_int>` **find_item_by_name**\ (\ name\: :ref:`String<class_String>`\ ) |const| :ref:`🔗<class_MeshLibrary_method_find_item_by_name>`
Returns the first item with the given name, or ``-1`` if no item is found.
.. rst-class:: classref-item-separator
----
.. _class_MeshLibrary_method_get_item_list:
.. rst-class:: classref-method
:ref:`PackedInt32Array<class_PackedInt32Array>` **get_item_list**\ (\ ) |const| :ref:`🔗<class_MeshLibrary_method_get_item_list>`
Returns the list of item IDs in use.
.. rst-class:: classref-item-separator
----
.. _class_MeshLibrary_method_get_item_mesh:
.. rst-class:: classref-method
:ref:`Mesh<class_Mesh>` **get_item_mesh**\ (\ id\: :ref:`int<class_int>`\ ) |const| :ref:`🔗<class_MeshLibrary_method_get_item_mesh>`
Returns the item's mesh.
.. rst-class:: classref-item-separator
----
.. _class_MeshLibrary_method_get_item_mesh_cast_shadow:
.. rst-class:: classref-method
:ref:`ShadowCastingSetting<enum_RenderingServer_ShadowCastingSetting>` **get_item_mesh_cast_shadow**\ (\ id\: :ref:`int<class_int>`\ ) |const| :ref:`🔗<class_MeshLibrary_method_get_item_mesh_cast_shadow>`
Returns the item's shadow casting mode.
.. rst-class:: classref-item-separator
----
.. _class_MeshLibrary_method_get_item_mesh_transform:
.. rst-class:: classref-method
:ref:`Transform3D<class_Transform3D>` **get_item_mesh_transform**\ (\ id\: :ref:`int<class_int>`\ ) |const| :ref:`🔗<class_MeshLibrary_method_get_item_mesh_transform>`
Returns the transform applied to the item's mesh.
.. rst-class:: classref-item-separator
----
.. _class_MeshLibrary_method_get_item_name:
.. rst-class:: classref-method
:ref:`String<class_String>` **get_item_name**\ (\ id\: :ref:`int<class_int>`\ ) |const| :ref:`🔗<class_MeshLibrary_method_get_item_name>`
Returns the item's name.
.. rst-class:: classref-item-separator
----
.. _class_MeshLibrary_method_get_item_navigation_layers:
.. rst-class:: classref-method
:ref:`int<class_int>` **get_item_navigation_layers**\ (\ id\: :ref:`int<class_int>`\ ) |const| :ref:`🔗<class_MeshLibrary_method_get_item_navigation_layers>`
Returns the item's navigation layers bitmask.
.. rst-class:: classref-item-separator
----
.. _class_MeshLibrary_method_get_item_navigation_mesh:
.. rst-class:: classref-method
:ref:`NavigationMesh<class_NavigationMesh>` **get_item_navigation_mesh**\ (\ id\: :ref:`int<class_int>`\ ) |const| :ref:`🔗<class_MeshLibrary_method_get_item_navigation_mesh>`
Returns the item's navigation mesh.
.. rst-class:: classref-item-separator
----
.. _class_MeshLibrary_method_get_item_navigation_mesh_transform:
.. rst-class:: classref-method
:ref:`Transform3D<class_Transform3D>` **get_item_navigation_mesh_transform**\ (\ id\: :ref:`int<class_int>`\ ) |const| :ref:`🔗<class_MeshLibrary_method_get_item_navigation_mesh_transform>`
Returns the transform applied to the item's navigation mesh.
.. rst-class:: classref-item-separator
----
.. _class_MeshLibrary_method_get_item_preview:
.. rst-class:: classref-method
:ref:`Texture2D<class_Texture2D>` **get_item_preview**\ (\ id\: :ref:`int<class_int>`\ ) |const| :ref:`🔗<class_MeshLibrary_method_get_item_preview>`
When running in the editor, returns a generated item preview (a 3D rendering in isometric perspective). When used in a running project, returns the manually-defined item preview which can be set using :ref:`set_item_preview()<class_MeshLibrary_method_set_item_preview>`. Returns an empty :ref:`Texture2D<class_Texture2D>` if no preview was manually set in a running project.
.. rst-class:: classref-item-separator
----
.. _class_MeshLibrary_method_get_item_shapes:
.. rst-class:: classref-method
:ref:`Array<class_Array>` **get_item_shapes**\ (\ id\: :ref:`int<class_int>`\ ) |const| :ref:`🔗<class_MeshLibrary_method_get_item_shapes>`
Returns an item's collision shapes.
The array consists of each :ref:`Shape3D<class_Shape3D>` followed by its :ref:`Transform3D<class_Transform3D>`.
.. rst-class:: classref-item-separator
----
.. _class_MeshLibrary_method_get_last_unused_item_id:
.. rst-class:: classref-method
:ref:`int<class_int>` **get_last_unused_item_id**\ (\ ) |const| :ref:`🔗<class_MeshLibrary_method_get_last_unused_item_id>`
Gets an unused ID for a new item.
.. rst-class:: classref-item-separator
----
.. _class_MeshLibrary_method_remove_item:
.. rst-class:: classref-method
|void| **remove_item**\ (\ id\: :ref:`int<class_int>`\ ) :ref:`🔗<class_MeshLibrary_method_remove_item>`
Removes the item.
.. rst-class:: classref-item-separator
----
.. _class_MeshLibrary_method_set_item_mesh:
.. rst-class:: classref-method
|void| **set_item_mesh**\ (\ id\: :ref:`int<class_int>`, mesh\: :ref:`Mesh<class_Mesh>`\ ) :ref:`🔗<class_MeshLibrary_method_set_item_mesh>`
Sets the item's mesh.
.. rst-class:: classref-item-separator
----
.. _class_MeshLibrary_method_set_item_mesh_cast_shadow:
.. rst-class:: classref-method
|void| **set_item_mesh_cast_shadow**\ (\ id\: :ref:`int<class_int>`, shadow_casting_setting\: :ref:`ShadowCastingSetting<enum_RenderingServer_ShadowCastingSetting>`\ ) :ref:`🔗<class_MeshLibrary_method_set_item_mesh_cast_shadow>`
Sets the item's shadow casting mode to ``shadow_casting_setting``.
.. rst-class:: classref-item-separator
----
.. _class_MeshLibrary_method_set_item_mesh_transform:
.. rst-class:: classref-method
|void| **set_item_mesh_transform**\ (\ id\: :ref:`int<class_int>`, mesh_transform\: :ref:`Transform3D<class_Transform3D>`\ ) :ref:`🔗<class_MeshLibrary_method_set_item_mesh_transform>`
Sets the transform to apply to the item's mesh.
.. rst-class:: classref-item-separator
----
.. _class_MeshLibrary_method_set_item_name:
.. rst-class:: classref-method
|void| **set_item_name**\ (\ id\: :ref:`int<class_int>`, name\: :ref:`String<class_String>`\ ) :ref:`🔗<class_MeshLibrary_method_set_item_name>`
Sets the item's name.
This name is shown in the editor. It can also be used to look up the item later using :ref:`find_item_by_name()<class_MeshLibrary_method_find_item_by_name>`.
.. rst-class:: classref-item-separator
----
.. _class_MeshLibrary_method_set_item_navigation_layers:
.. rst-class:: classref-method
|void| **set_item_navigation_layers**\ (\ id\: :ref:`int<class_int>`, navigation_layers\: :ref:`int<class_int>`\ ) :ref:`🔗<class_MeshLibrary_method_set_item_navigation_layers>`
Sets the item's navigation layers bitmask.
.. rst-class:: classref-item-separator
----
.. _class_MeshLibrary_method_set_item_navigation_mesh:
.. rst-class:: classref-method
|void| **set_item_navigation_mesh**\ (\ id\: :ref:`int<class_int>`, navigation_mesh\: :ref:`NavigationMesh<class_NavigationMesh>`\ ) :ref:`🔗<class_MeshLibrary_method_set_item_navigation_mesh>`
Sets the item's navigation mesh.
.. rst-class:: classref-item-separator
----
.. _class_MeshLibrary_method_set_item_navigation_mesh_transform:
.. rst-class:: classref-method
|void| **set_item_navigation_mesh_transform**\ (\ id\: :ref:`int<class_int>`, navigation_mesh\: :ref:`Transform3D<class_Transform3D>`\ ) :ref:`🔗<class_MeshLibrary_method_set_item_navigation_mesh_transform>`
Sets the transform to apply to the item's navigation mesh.
.. rst-class:: classref-item-separator
----
.. _class_MeshLibrary_method_set_item_preview:
.. rst-class:: classref-method
|void| **set_item_preview**\ (\ id\: :ref:`int<class_int>`, texture\: :ref:`Texture2D<class_Texture2D>`\ ) :ref:`🔗<class_MeshLibrary_method_set_item_preview>`
Sets a texture to use as the item's preview icon in the editor.
.. rst-class:: classref-item-separator
----
.. _class_MeshLibrary_method_set_item_shapes:
.. rst-class:: classref-method
|void| **set_item_shapes**\ (\ id\: :ref:`int<class_int>`, shapes\: :ref:`Array<class_Array>`\ ) :ref:`🔗<class_MeshLibrary_method_set_item_shapes>`
Sets an item's collision shapes.
The array should consist of :ref:`Shape3D<class_Shape3D>` objects, each followed by a :ref:`Transform3D<class_Transform3D>` that will be applied to it. For shapes that should not have a transform, use :ref:`Transform3D.IDENTITY<class_Transform3D_constant_IDENTITY>`.
.. |virtual| replace:: :abbr:`virtual (This method should typically be overridden by the user to have any effect.)`
.. |required| replace:: :abbr:`required (This method is required to be overridden when extending its base class.)`
.. |const| replace:: :abbr:`const (This method has no side effects. It doesn't modify any of the instance's member variables.)`
.. |vararg| replace:: :abbr:`vararg (This method accepts any number of arguments after the ones described here.)`
.. |constructor| replace:: :abbr:`constructor (This method is used to construct a type.)`
.. |static| replace:: :abbr:`static (This method doesn't need an instance to be called, so it can be called directly using the class name.)`
.. |operator| replace:: :abbr:`operator (This method describes a valid operator to use with this type as left-hand operand.)`
.. |bitfield| replace:: :abbr:`BitField (This value is an integer composed as a bitmask of the following flags.)`
.. |void| replace:: :abbr:`void (No return value.)`