godot-docs/classes/class_geometryinstance.rst

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.. _class_GeometryInstance:

GeometryInstance
================

**Inherits:** :ref:`VisualInstance<class_VisualInstance>` **<** :ref:`CullInstance<class_CullInstance>` **<** :ref:`Spatial<class_Spatial>` **<** :ref:`Node<class_Node>` **<** :ref:`Object<class_Object>`

**Inherited By:** :ref:`CPUParticles<class_CPUParticles>`, :ref:`CSGShape<class_CSGShape>`, :ref:`ImmediateGeometry<class_ImmediateGeometry>`, :ref:`Label3D<class_Label3D>`, :ref:`MeshInstance<class_MeshInstance>`, :ref:`MultiMeshInstance<class_MultiMeshInstance>`, :ref:`Particles<class_Particles>`, :ref:`SpriteBase3D<class_SpriteBase3D>`

Base node for geometry-based visual instances.

.. rst-class:: classref-introduction-group

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

Base node for geometry-based visual instances. Shares some common functionality like visibility and custom materials.

.. rst-class:: classref-reftable-group

Properties
----------

.. table::
   :widths: auto

   +-------------------------------------------------------------------------+-------------------------------------------------------------------------------+-----------+
   | :ref:`ShadowCastingSetting<enum_GeometryInstance_ShadowCastingSetting>` | :ref:`cast_shadow<class_GeometryInstance_property_cast_shadow>`               | ``1``     |
   +-------------------------------------------------------------------------+-------------------------------------------------------------------------------+-----------+
   | :ref:`float<class_float>`                                               | :ref:`extra_cull_margin<class_GeometryInstance_property_extra_cull_margin>`   | ``0.0``   |
   +-------------------------------------------------------------------------+-------------------------------------------------------------------------------+-----------+
   | :ref:`bool<class_bool>`                                                 | :ref:`generate_lightmap<class_GeometryInstance_property_generate_lightmap>`   | ``true``  |
   +-------------------------------------------------------------------------+-------------------------------------------------------------------------------+-----------+
   | :ref:`LightmapScale<enum_GeometryInstance_LightmapScale>`               | :ref:`lightmap_scale<class_GeometryInstance_property_lightmap_scale>`         | ``0``     |
   +-------------------------------------------------------------------------+-------------------------------------------------------------------------------+-----------+
   | :ref:`Material<class_Material>`                                         | :ref:`material_overlay<class_GeometryInstance_property_material_overlay>`     |           |
   +-------------------------------------------------------------------------+-------------------------------------------------------------------------------+-----------+
   | :ref:`Material<class_Material>`                                         | :ref:`material_override<class_GeometryInstance_property_material_override>`   |           |
   +-------------------------------------------------------------------------+-------------------------------------------------------------------------------+-----------+
   | :ref:`bool<class_bool>`                                                 | :ref:`use_in_baked_light<class_GeometryInstance_property_use_in_baked_light>` | ``false`` |
   +-------------------------------------------------------------------------+-------------------------------------------------------------------------------+-----------+

.. rst-class:: classref-reftable-group

Methods
-------

.. table::
   :widths: auto

   +-------------------------+---------------------------------------------------------------------------------------------------------------------------------------------------+
   | :ref:`bool<class_bool>` | :ref:`get_flag<class_GeometryInstance_method_get_flag>` **(** :ref:`Flags<enum_GeometryInstance_Flags>` flag **)** |const|                        |
   +-------------------------+---------------------------------------------------------------------------------------------------------------------------------------------------+
   | void                    | :ref:`set_custom_aabb<class_GeometryInstance_method_set_custom_aabb>` **(** :ref:`AABB<class_AABB>` aabb **)**                                    |
   +-------------------------+---------------------------------------------------------------------------------------------------------------------------------------------------+
   | void                    | :ref:`set_flag<class_GeometryInstance_method_set_flag>` **(** :ref:`Flags<enum_GeometryInstance_Flags>` flag, :ref:`bool<class_bool>` value **)** |
   +-------------------------+---------------------------------------------------------------------------------------------------------------------------------------------------+

.. rst-class:: classref-section-separator

----

.. rst-class:: classref-descriptions-group

Enumerations
------------

.. _enum_GeometryInstance_LightmapScale:

.. rst-class:: classref-enumeration

enum **LightmapScale**:

.. _class_GeometryInstance_constant_LIGHTMAP_SCALE_1X:

.. rst-class:: classref-enumeration-constant

:ref:`LightmapScale<enum_GeometryInstance_LightmapScale>` **LIGHTMAP_SCALE_1X** = ``0``

The generated lightmap texture will have the original size.

.. _class_GeometryInstance_constant_LIGHTMAP_SCALE_2X:

.. rst-class:: classref-enumeration-constant

:ref:`LightmapScale<enum_GeometryInstance_LightmapScale>` **LIGHTMAP_SCALE_2X** = ``1``

The generated lightmap texture will be twice as large, on each axis.

.. _class_GeometryInstance_constant_LIGHTMAP_SCALE_4X:

.. rst-class:: classref-enumeration-constant

:ref:`LightmapScale<enum_GeometryInstance_LightmapScale>` **LIGHTMAP_SCALE_4X** = ``2``

The generated lightmap texture will be 4 times as large, on each axis.

.. _class_GeometryInstance_constant_LIGHTMAP_SCALE_8X:

.. rst-class:: classref-enumeration-constant

:ref:`LightmapScale<enum_GeometryInstance_LightmapScale>` **LIGHTMAP_SCALE_8X** = ``3``

The generated lightmap texture will be 8 times as large, on each axis.

.. _class_GeometryInstance_constant_LIGHTMAP_SCALE_MAX:

.. rst-class:: classref-enumeration-constant

:ref:`LightmapScale<enum_GeometryInstance_LightmapScale>` **LIGHTMAP_SCALE_MAX** = ``4``



.. rst-class:: classref-item-separator

----

.. _enum_GeometryInstance_ShadowCastingSetting:

.. rst-class:: classref-enumeration

enum **ShadowCastingSetting**:

.. _class_GeometryInstance_constant_SHADOW_CASTING_SETTING_OFF:

.. rst-class:: classref-enumeration-constant

:ref:`ShadowCastingSetting<enum_GeometryInstance_ShadowCastingSetting>` **SHADOW_CASTING_SETTING_OFF** = ``0``

Will not cast any shadows.

.. _class_GeometryInstance_constant_SHADOW_CASTING_SETTING_ON:

.. rst-class:: classref-enumeration-constant

:ref:`ShadowCastingSetting<enum_GeometryInstance_ShadowCastingSetting>` **SHADOW_CASTING_SETTING_ON** = ``1``

Will cast shadows from all visible faces in the GeometryInstance.

Will take culling into account, so faces not being rendered will not be taken into account when shadow casting.

.. _class_GeometryInstance_constant_SHADOW_CASTING_SETTING_DOUBLE_SIDED:

.. rst-class:: classref-enumeration-constant

:ref:`ShadowCastingSetting<enum_GeometryInstance_ShadowCastingSetting>` **SHADOW_CASTING_SETTING_DOUBLE_SIDED** = ``2``

Will cast shadows from all visible faces in the GeometryInstance.

Will not take culling into account, so all faces will be taken into account when shadow casting.

.. _class_GeometryInstance_constant_SHADOW_CASTING_SETTING_SHADOWS_ONLY:

.. rst-class:: classref-enumeration-constant

:ref:`ShadowCastingSetting<enum_GeometryInstance_ShadowCastingSetting>` **SHADOW_CASTING_SETTING_SHADOWS_ONLY** = ``3``

Will only show the shadows casted from this object.

In other words, the actual mesh will not be visible, only the shadows casted from the mesh will be.

.. rst-class:: classref-item-separator

----

.. _enum_GeometryInstance_Flags:

.. rst-class:: classref-enumeration

enum **Flags**:

.. _class_GeometryInstance_constant_FLAG_USE_BAKED_LIGHT:

.. rst-class:: classref-enumeration-constant

:ref:`Flags<enum_GeometryInstance_Flags>` **FLAG_USE_BAKED_LIGHT** = ``0``

Will allow the GeometryInstance to be used when baking lights using a :ref:`GIProbe<class_GIProbe>` or :ref:`BakedLightmap<class_BakedLightmap>`.

.. _class_GeometryInstance_constant_FLAG_DRAW_NEXT_FRAME_IF_VISIBLE:

.. rst-class:: classref-enumeration-constant

:ref:`Flags<enum_GeometryInstance_Flags>` **FLAG_DRAW_NEXT_FRAME_IF_VISIBLE** = ``1``

Unused in this class, exposed for consistency with :ref:`InstanceFlags<enum_VisualServer_InstanceFlags>`.

.. _class_GeometryInstance_constant_FLAG_MAX:

.. rst-class:: classref-enumeration-constant

:ref:`Flags<enum_GeometryInstance_Flags>` **FLAG_MAX** = ``2``

Represents the size of the :ref:`Flags<enum_GeometryInstance_Flags>` enum.

.. rst-class:: classref-section-separator

----

.. rst-class:: classref-descriptions-group

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

.. _class_GeometryInstance_property_cast_shadow:

.. rst-class:: classref-property

:ref:`ShadowCastingSetting<enum_GeometryInstance_ShadowCastingSetting>` **cast_shadow** = ``1``

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

- void **set_cast_shadows_setting** **(** :ref:`ShadowCastingSetting<enum_GeometryInstance_ShadowCastingSetting>` value **)**
- :ref:`ShadowCastingSetting<enum_GeometryInstance_ShadowCastingSetting>` **get_cast_shadows_setting** **(** **)**

The selected shadow casting flag. See :ref:`ShadowCastingSetting<enum_GeometryInstance_ShadowCastingSetting>` for possible values.

.. rst-class:: classref-item-separator

----

.. _class_GeometryInstance_property_extra_cull_margin:

.. rst-class:: classref-property

:ref:`float<class_float>` **extra_cull_margin** = ``0.0``

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

- void **set_extra_cull_margin** **(** :ref:`float<class_float>` value **)**
- :ref:`float<class_float>` **get_extra_cull_margin** **(** **)**

The extra distance added to the GeometryInstance's bounding box (:ref:`AABB<class_AABB>`) to increase its cull box.

.. rst-class:: classref-item-separator

----

.. _class_GeometryInstance_property_generate_lightmap:

.. rst-class:: classref-property

:ref:`bool<class_bool>` **generate_lightmap** = ``true``

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

- void **set_generate_lightmap** **(** :ref:`bool<class_bool>` value **)**
- :ref:`bool<class_bool>` **get_generate_lightmap** **(** **)**

When disabled, the mesh will be taken into account when computing indirect lighting, but the resulting lightmap will not be saved. Useful for emissive only materials or shadow casters.

.. rst-class:: classref-item-separator

----

.. _class_GeometryInstance_property_lightmap_scale:

.. rst-class:: classref-property

:ref:`LightmapScale<enum_GeometryInstance_LightmapScale>` **lightmap_scale** = ``0``

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

- void **set_lightmap_scale** **(** :ref:`LightmapScale<enum_GeometryInstance_LightmapScale>` value **)**
- :ref:`LightmapScale<enum_GeometryInstance_LightmapScale>` **get_lightmap_scale** **(** **)**

Scale factor for the generated baked lightmap. Useful for adding detail to certain mesh instances.

.. rst-class:: classref-item-separator

----

.. _class_GeometryInstance_property_material_overlay:

.. rst-class:: classref-property

:ref:`Material<class_Material>` **material_overlay**

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

- void **set_material_overlay** **(** :ref:`Material<class_Material>` value **)**
- :ref:`Material<class_Material>` **get_material_overlay** **(** **)**

The material overlay for the whole geometry.

If a material is assigned to this property, it will be rendered on top of any other active material for all the surfaces.

.. rst-class:: classref-item-separator

----

.. _class_GeometryInstance_property_material_override:

.. rst-class:: classref-property

:ref:`Material<class_Material>` **material_override**

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

- void **set_material_override** **(** :ref:`Material<class_Material>` value **)**
- :ref:`Material<class_Material>` **get_material_override** **(** **)**

The material override for the whole geometry.

If a material is assigned to this property, it will be used instead of any material set in any material slot of the mesh.

.. rst-class:: classref-item-separator

----

.. _class_GeometryInstance_property_use_in_baked_light:

.. rst-class:: classref-property

:ref:`bool<class_bool>` **use_in_baked_light** = ``false``

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

- void **set_flag** **(** :ref:`Flags<enum_GeometryInstance_Flags>` flag, :ref:`bool<class_bool>` value **)**
- :ref:`bool<class_bool>` **get_flag** **(** :ref:`Flags<enum_GeometryInstance_Flags>` flag **)** |const|

If ``true``, this GeometryInstance will be used when baking lights using a :ref:`GIProbe<class_GIProbe>` or :ref:`BakedLightmap<class_BakedLightmap>`.

.. rst-class:: classref-section-separator

----

.. rst-class:: classref-descriptions-group

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

.. _class_GeometryInstance_method_get_flag:

.. rst-class:: classref-method

:ref:`bool<class_bool>` **get_flag** **(** :ref:`Flags<enum_GeometryInstance_Flags>` flag **)** |const|

Returns the :ref:`Flags<enum_GeometryInstance_Flags>` that have been set for this object.

.. rst-class:: classref-item-separator

----

.. _class_GeometryInstance_method_set_custom_aabb:

.. rst-class:: classref-method

void **set_custom_aabb** **(** :ref:`AABB<class_AABB>` aabb **)**

Overrides the bounding box of this node with a custom one. To remove it, set an :ref:`AABB<class_AABB>` with all fields set to zero.

.. rst-class:: classref-item-separator

----

.. _class_GeometryInstance_method_set_flag:

.. rst-class:: classref-method

void **set_flag** **(** :ref:`Flags<enum_GeometryInstance_Flags>` flag, :ref:`bool<class_bool>` value **)**

Sets the :ref:`Flags<enum_GeometryInstance_Flags>` specified. See :ref:`Flags<enum_GeometryInstance_Flags>` for options.

.. |virtual| replace:: :abbr:`virtual (This method should typically be overridden by the user to have any effect.)`
.. |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.)`
.. |static| replace:: :abbr:`static (This method doesn't need an instance to be called, so it can be called directly using the class name.)`