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68 lines
3.4 KiB
ReStructuredText
68 lines
3.4 KiB
ReStructuredText
:github_url: hide
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.. DO NOT EDIT THIS FILE!!!
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.. Generated automatically from Godot engine sources.
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.. Generator: https://github.com/godotengine/godot/tree/4.0/doc/tools/make_rst.py.
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.. XML source: https://github.com/godotengine/godot/tree/4.0/doc/classes/PolygonOccluder3D.xml.
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.. _class_PolygonOccluder3D:
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PolygonOccluder3D
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=================
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**Inherits:** :ref:`Occluder3D<class_Occluder3D>` **<** :ref:`Resource<class_Resource>` **<** :ref:`RefCounted<class_RefCounted>` **<** :ref:`Object<class_Object>`
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Flat 2D polygon shape for use with occlusion culling in :ref:`OccluderInstance3D<class_OccluderInstance3D>`.
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.. rst-class:: classref-introduction-group
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Description
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-----------
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**PolygonOccluder3D** stores a polygon shape that can be used by the engine's occlusion culling system. When an :ref:`OccluderInstance3D<class_OccluderInstance3D>` with a **PolygonOccluder3D** is selected in the editor, an editor will appear at the top of the 3D viewport so you can add/remove points. All points must be placed on the same 2D plane, which means it is not possible to create arbitrary 3D shapes with a single **PolygonOccluder3D**. To use arbitrary 3D shapes as occluders, use :ref:`ArrayOccluder3D<class_ArrayOccluder3D>` or :ref:`OccluderInstance3D<class_OccluderInstance3D>`'s baking feature instead.
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See :ref:`OccluderInstance3D<class_OccluderInstance3D>`'s documentation for instructions on setting up occlusion culling.
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.. rst-class:: classref-reftable-group
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Properties
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----------
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.. table::
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:widths: auto
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+-----------------------------------------------------+----------------------------------------------------------+--------------------------+
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| :ref:`PackedVector2Array<class_PackedVector2Array>` | :ref:`polygon<class_PolygonOccluder3D_property_polygon>` | ``PackedVector2Array()`` |
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+-----------------------------------------------------+----------------------------------------------------------+--------------------------+
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.. rst-class:: classref-section-separator
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----
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.. rst-class:: classref-descriptions-group
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Property Descriptions
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---------------------
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.. _class_PolygonOccluder3D_property_polygon:
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.. rst-class:: classref-property
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:ref:`PackedVector2Array<class_PackedVector2Array>` **polygon** = ``PackedVector2Array()``
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.. rst-class:: classref-property-setget
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- void **set_polygon** **(** :ref:`PackedVector2Array<class_PackedVector2Array>` value **)**
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- :ref:`PackedVector2Array<class_PackedVector2Array>` **get_polygon** **(** **)**
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The polygon to use for occlusion culling. The polygon can be convex or concave, but it should have as few points as possible to maximize performance.
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The polygon must *not* have intersecting lines. Otherwise, triangulation will fail (with an error message printed).
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.. |virtual| replace:: :abbr:`virtual (This method should typically be overridden by the user to have any effect.)`
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.. |const| replace:: :abbr:`const (This method has no side effects. It doesn't modify any of the instance's member variables.)`
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.. |vararg| replace:: :abbr:`vararg (This method accepts any number of arguments after the ones described here.)`
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.. |constructor| replace:: :abbr:`constructor (This method is used to construct a type.)`
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.. |static| replace:: :abbr:`static (This method doesn't need an instance to be called, so it can be called directly using the class name.)`
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.. |operator| replace:: :abbr:`operator (This method describes a valid operator to use with this type as left-hand operand.)`
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