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ReStructuredText
55 lines
3.2 KiB
ReStructuredText
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.. Generated automatically by doc/tools/make_rst.py in Godot's source tree.
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.. DO NOT EDIT THIS FILE, but the PolygonOccluder3D.xml source instead.
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.. The source is found in doc/classes or modules/<name>/doc_classes.
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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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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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Properties
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----------
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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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Property Descriptions
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---------------------
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.. _class_PolygonOccluder3D_property_polygon:
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- :ref:`PackedVector2Array<class_PackedVector2Array>` **polygon**
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+-----------+--------------------------+
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| *Default* | ``PackedVector2Array()`` |
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+-----------+--------------------------+
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| *Setter* | set_polygon(value) |
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+-----------+--------------------------+
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| *Getter* | get_polygon() |
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+-----------+--------------------------+
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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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