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2024-10-23 18:41:33 +02:00
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.. DO NOT EDIT THIS FILE!!!
.. Generated automatically from Godot engine sources.
.. Generator: https://github.com/godotengine/godot/tree/3.6/doc/tools/make_rst.py.
.. XML source: https://github.com/godotengine/godot/tree/3.6/doc/classes/NavigationMesh.xml.
.. _class_NavigationMesh:
NavigationMesh
==============
**Inherits:** :ref:`Resource<class_Resource>` **<** :ref:`Reference<class_Reference>` **<** :ref:`Object<class_Object>`
A mesh to approximate the walkable areas and obstacles.
.. rst-class:: classref-introduction-group
Description
-----------
A navigation mesh is a collection of polygons that define which areas of an environment are traversable to aid agents in pathfinding through complicated spaces.
.. rst-class:: classref-introduction-group
Tutorials
---------
- `3D Navmesh Demo <https://godotengine.org/asset-library/asset/124>`__
.. rst-class:: classref-reftable-group
Properties
----------
.. table::
:widths: auto
+---------------------------------------------------------------------+---------------------------------------------------------------------------------------------------------+------------------------------+
| :ref:`float<class_float>` | :ref:`agent_height<class_NavigationMesh_property_agent_height>` | ``1.5`` |
+---------------------------------------------------------------------+---------------------------------------------------------------------------------------------------------+------------------------------+
| :ref:`float<class_float>` | :ref:`agent_max_climb<class_NavigationMesh_property_agent_max_climb>` | ``0.25`` |
+---------------------------------------------------------------------+---------------------------------------------------------------------------------------------------------+------------------------------+
| :ref:`float<class_float>` | :ref:`agent_max_slope<class_NavigationMesh_property_agent_max_slope>` | ``45.0`` |
+---------------------------------------------------------------------+---------------------------------------------------------------------------------------------------------+------------------------------+
| :ref:`float<class_float>` | :ref:`agent_radius<class_NavigationMesh_property_agent_radius>` | ``0.5`` |
+---------------------------------------------------------------------+---------------------------------------------------------------------------------------------------------+------------------------------+
| :ref:`float<class_float>` | :ref:`cell_height<class_NavigationMesh_property_cell_height>` | ``0.25`` |
+---------------------------------------------------------------------+---------------------------------------------------------------------------------------------------------+------------------------------+
| :ref:`float<class_float>` | :ref:`cell_size<class_NavigationMesh_property_cell_size>` | ``0.25`` |
+---------------------------------------------------------------------+---------------------------------------------------------------------------------------------------------+------------------------------+
| :ref:`float<class_float>` | :ref:`detail_sample_distance<class_NavigationMesh_property_detail_sample_distance>` | ``6.0`` |
+---------------------------------------------------------------------+---------------------------------------------------------------------------------------------------------+------------------------------+
| :ref:`float<class_float>` | :ref:`detail_sample_max_error<class_NavigationMesh_property_detail_sample_max_error>` | ``1.0`` |
+---------------------------------------------------------------------+---------------------------------------------------------------------------------------------------------+------------------------------+
| :ref:`float<class_float>` | :ref:`edge_max_error<class_NavigationMesh_property_edge_max_error>` | ``1.3`` |
+---------------------------------------------------------------------+---------------------------------------------------------------------------------------------------------+------------------------------+
| :ref:`float<class_float>` | :ref:`edge_max_length<class_NavigationMesh_property_edge_max_length>` | ``12.0`` |
+---------------------------------------------------------------------+---------------------------------------------------------------------------------------------------------+------------------------------+
| :ref:`AABB<class_AABB>` | :ref:`filter_baking_aabb<class_NavigationMesh_property_filter_baking_aabb>` | ``AABB( 0, 0, 0, 0, 0, 0 )`` |
+---------------------------------------------------------------------+---------------------------------------------------------------------------------------------------------+------------------------------+
| :ref:`Vector3<class_Vector3>` | :ref:`filter_baking_aabb_offset<class_NavigationMesh_property_filter_baking_aabb_offset>` | ``Vector3( 0, 0, 0 )`` |
+---------------------------------------------------------------------+---------------------------------------------------------------------------------------------------------+------------------------------+
| :ref:`bool<class_bool>` | :ref:`filter_ledge_spans<class_NavigationMesh_property_filter_ledge_spans>` | ``false`` |
+---------------------------------------------------------------------+---------------------------------------------------------------------------------------------------------+------------------------------+
| :ref:`bool<class_bool>` | :ref:`filter_low_hanging_obstacles<class_NavigationMesh_property_filter_low_hanging_obstacles>` | ``false`` |
+---------------------------------------------------------------------+---------------------------------------------------------------------------------------------------------+------------------------------+
| :ref:`bool<class_bool>` | :ref:`filter_walkable_low_height_spans<class_NavigationMesh_property_filter_walkable_low_height_spans>` | ``false`` |
+---------------------------------------------------------------------+---------------------------------------------------------------------------------------------------------+------------------------------+
| :ref:`int<class_int>` | :ref:`geometry_collision_mask<class_NavigationMesh_property_geometry_collision_mask>` | ``4294967295`` |
+---------------------------------------------------------------------+---------------------------------------------------------------------------------------------------------+------------------------------+
| :ref:`ParsedGeometryType<enum_NavigationMesh_ParsedGeometryType>` | :ref:`geometry_parsed_geometry_type<class_NavigationMesh_property_geometry_parsed_geometry_type>` | ``0`` |
+---------------------------------------------------------------------+---------------------------------------------------------------------------------------------------------+------------------------------+
| :ref:`SourceGeometryMode<enum_NavigationMesh_SourceGeometryMode>` | :ref:`geometry_source_geometry_mode<class_NavigationMesh_property_geometry_source_geometry_mode>` | ``0`` |
+---------------------------------------------------------------------+---------------------------------------------------------------------------------------------------------+------------------------------+
| :ref:`String<class_String>` | :ref:`geometry_source_group_name<class_NavigationMesh_property_geometry_source_group_name>` | ``"navmesh"`` |
+---------------------------------------------------------------------+---------------------------------------------------------------------------------------------------------+------------------------------+
| :ref:`float<class_float>` | :ref:`polygon_verts_per_poly<class_NavigationMesh_property_polygon_verts_per_poly>` | ``6.0`` |
+---------------------------------------------------------------------+---------------------------------------------------------------------------------------------------------+------------------------------+
| :ref:`float<class_float>` | :ref:`region_merge_size<class_NavigationMesh_property_region_merge_size>` | ``20.0`` |
+---------------------------------------------------------------------+---------------------------------------------------------------------------------------------------------+------------------------------+
| :ref:`float<class_float>` | :ref:`region_min_size<class_NavigationMesh_property_region_min_size>` | ``2.0`` |
+---------------------------------------------------------------------+---------------------------------------------------------------------------------------------------------+------------------------------+
| :ref:`SamplePartitionType<enum_NavigationMesh_SamplePartitionType>` | :ref:`sample_partition_type<class_NavigationMesh_property_sample_partition_type>` | ``0`` |
+---------------------------------------------------------------------+---------------------------------------------------------------------------------------------------------+------------------------------+
.. rst-class:: classref-reftable-group
Methods
-------
.. table::
:widths: auto
+-------------------------------------------------+--------------------------------------------------------------------------------------------------------------------------------------------------------+
| void | :ref:`add_polygon<class_NavigationMesh_method_add_polygon>` **(** :ref:`PoolIntArray<class_PoolIntArray>` polygon **)** |
+-------------------------------------------------+--------------------------------------------------------------------------------------------------------------------------------------------------------+
| void | :ref:`clear_polygons<class_NavigationMesh_method_clear_polygons>` **(** **)** |
+-------------------------------------------------+--------------------------------------------------------------------------------------------------------------------------------------------------------+
| void | :ref:`create_from_mesh<class_NavigationMesh_method_create_from_mesh>` **(** :ref:`Mesh<class_Mesh>` mesh **)** |
+-------------------------------------------------+--------------------------------------------------------------------------------------------------------------------------------------------------------+
| :ref:`bool<class_bool>` | :ref:`get_collision_mask_bit<class_NavigationMesh_method_get_collision_mask_bit>` **(** :ref:`int<class_int>` bit **)** |const| |
+-------------------------------------------------+--------------------------------------------------------------------------------------------------------------------------------------------------------+
| :ref:`PoolIntArray<class_PoolIntArray>` | :ref:`get_polygon<class_NavigationMesh_method_get_polygon>` **(** :ref:`int<class_int>` idx **)** |
+-------------------------------------------------+--------------------------------------------------------------------------------------------------------------------------------------------------------+
| :ref:`int<class_int>` | :ref:`get_polygon_count<class_NavigationMesh_method_get_polygon_count>` **(** **)** |const| |
+-------------------------------------------------+--------------------------------------------------------------------------------------------------------------------------------------------------------+
| :ref:`PoolVector3Array<class_PoolVector3Array>` | :ref:`get_vertices<class_NavigationMesh_method_get_vertices>` **(** **)** |const| |
+-------------------------------------------------+--------------------------------------------------------------------------------------------------------------------------------------------------------+
| void | :ref:`set_collision_mask_bit<class_NavigationMesh_method_set_collision_mask_bit>` **(** :ref:`int<class_int>` bit, :ref:`bool<class_bool>` value **)** |
+-------------------------------------------------+--------------------------------------------------------------------------------------------------------------------------------------------------------+
| void | :ref:`set_vertices<class_NavigationMesh_method_set_vertices>` **(** :ref:`PoolVector3Array<class_PoolVector3Array>` vertices **)** |
+-------------------------------------------------+--------------------------------------------------------------------------------------------------------------------------------------------------------+
.. rst-class:: classref-section-separator
----
.. rst-class:: classref-descriptions-group
Enumerations
------------
.. _enum_NavigationMesh_SamplePartitionType:
.. rst-class:: classref-enumeration
enum **SamplePartitionType**:
.. _class_NavigationMesh_constant_SAMPLE_PARTITION_WATERSHED:
.. rst-class:: classref-enumeration-constant
:ref:`SamplePartitionType<enum_NavigationMesh_SamplePartitionType>` **SAMPLE_PARTITION_WATERSHED** = ``0``
Watershed partitioning. Generally the best choice if you precompute the navigation mesh, use this if you have large open areas.
.. _class_NavigationMesh_constant_SAMPLE_PARTITION_MONOTONE:
.. rst-class:: classref-enumeration-constant
:ref:`SamplePartitionType<enum_NavigationMesh_SamplePartitionType>` **SAMPLE_PARTITION_MONOTONE** = ``1``
Monotone partitioning. Use this if you want fast navigation mesh generation.
.. _class_NavigationMesh_constant_SAMPLE_PARTITION_LAYERS:
.. rst-class:: classref-enumeration-constant
:ref:`SamplePartitionType<enum_NavigationMesh_SamplePartitionType>` **SAMPLE_PARTITION_LAYERS** = ``2``
Layer partitioning. Good choice to use for tiled navigation mesh with medium and small sized tiles.
.. _class_NavigationMesh_constant_SAMPLE_PARTITION_MAX:
.. rst-class:: classref-enumeration-constant
:ref:`SamplePartitionType<enum_NavigationMesh_SamplePartitionType>` **SAMPLE_PARTITION_MAX** = ``3``
Represents the size of the :ref:`SamplePartitionType<enum_NavigationMesh_SamplePartitionType>` enum.
.. rst-class:: classref-item-separator
----
.. _enum_NavigationMesh_ParsedGeometryType:
.. rst-class:: classref-enumeration
enum **ParsedGeometryType**:
.. _class_NavigationMesh_constant_PARSED_GEOMETRY_MESH_INSTANCES:
.. rst-class:: classref-enumeration-constant
:ref:`ParsedGeometryType<enum_NavigationMesh_ParsedGeometryType>` **PARSED_GEOMETRY_MESH_INSTANCES** = ``0``
Parses mesh instances as geometry. This includes :ref:`MeshInstance<class_MeshInstance>`, :ref:`CSGShape<class_CSGShape>`, and :ref:`GridMap<class_GridMap>` nodes.
.. _class_NavigationMesh_constant_PARSED_GEOMETRY_STATIC_COLLIDERS:
.. rst-class:: classref-enumeration-constant
:ref:`ParsedGeometryType<enum_NavigationMesh_ParsedGeometryType>` **PARSED_GEOMETRY_STATIC_COLLIDERS** = ``1``
Parses :ref:`StaticBody<class_StaticBody>` colliders as geometry. The collider should be in any of the layers specified by :ref:`geometry_collision_mask<class_NavigationMesh_property_geometry_collision_mask>`.
.. _class_NavigationMesh_constant_PARSED_GEOMETRY_BOTH:
.. rst-class:: classref-enumeration-constant
:ref:`ParsedGeometryType<enum_NavigationMesh_ParsedGeometryType>` **PARSED_GEOMETRY_BOTH** = ``2``
Both :ref:`PARSED_GEOMETRY_MESH_INSTANCES<class_NavigationMesh_constant_PARSED_GEOMETRY_MESH_INSTANCES>` and :ref:`PARSED_GEOMETRY_STATIC_COLLIDERS<class_NavigationMesh_constant_PARSED_GEOMETRY_STATIC_COLLIDERS>`.
.. _class_NavigationMesh_constant_PARSED_GEOMETRY_MAX:
.. rst-class:: classref-enumeration-constant
:ref:`ParsedGeometryType<enum_NavigationMesh_ParsedGeometryType>` **PARSED_GEOMETRY_MAX** = ``3``
Represents the size of the :ref:`ParsedGeometryType<enum_NavigationMesh_ParsedGeometryType>` enum.
.. rst-class:: classref-item-separator
----
.. _enum_NavigationMesh_SourceGeometryMode:
.. rst-class:: classref-enumeration
enum **SourceGeometryMode**:
.. _class_NavigationMesh_constant_SOURCE_GEOMETRY_NAVMESH_CHILDREN:
.. rst-class:: classref-enumeration-constant
:ref:`SourceGeometryMode<enum_NavigationMesh_SourceGeometryMode>` **SOURCE_GEOMETRY_NAVMESH_CHILDREN** = ``0``
Scans the child nodes of :ref:`NavigationMeshInstance<class_NavigationMeshInstance>` recursively for geometry.
.. _class_NavigationMesh_constant_SOURCE_GEOMETRY_GROUPS_WITH_CHILDREN:
.. rst-class:: classref-enumeration-constant
:ref:`SourceGeometryMode<enum_NavigationMesh_SourceGeometryMode>` **SOURCE_GEOMETRY_GROUPS_WITH_CHILDREN** = ``1``
Scans nodes in a group and their child nodes recursively for geometry. The group is specified by :ref:`geometry_source_group_name<class_NavigationMesh_property_geometry_source_group_name>`.
.. _class_NavigationMesh_constant_SOURCE_GEOMETRY_GROUPS_EXPLICIT:
.. rst-class:: classref-enumeration-constant
:ref:`SourceGeometryMode<enum_NavigationMesh_SourceGeometryMode>` **SOURCE_GEOMETRY_GROUPS_EXPLICIT** = ``2``
Uses nodes in a group for geometry. The group is specified by :ref:`geometry_source_group_name<class_NavigationMesh_property_geometry_source_group_name>`.
.. _class_NavigationMesh_constant_SOURCE_GEOMETRY_MAX:
.. rst-class:: classref-enumeration-constant
:ref:`SourceGeometryMode<enum_NavigationMesh_SourceGeometryMode>` **SOURCE_GEOMETRY_MAX** = ``3``
Represents the size of the :ref:`SourceGeometryMode<enum_NavigationMesh_SourceGeometryMode>` enum.
.. rst-class:: classref-section-separator
----
.. rst-class:: classref-descriptions-group
Property Descriptions
---------------------
.. _class_NavigationMesh_property_agent_height:
.. rst-class:: classref-property
:ref:`float<class_float>` **agent_height** = ``1.5``
.. rst-class:: classref-property-setget
- void **set_agent_height** **(** :ref:`float<class_float>` value **)**
- :ref:`float<class_float>` **get_agent_height** **(** **)**
The minimum floor to ceiling height that will still allow the floor area to be considered walkable.
\ **Note:** While baking, this value will be rounded up to the nearest multiple of :ref:`cell_height<class_NavigationMesh_property_cell_height>`.
.. rst-class:: classref-item-separator
----
.. _class_NavigationMesh_property_agent_max_climb:
.. rst-class:: classref-property
:ref:`float<class_float>` **agent_max_climb** = ``0.25``
.. rst-class:: classref-property-setget
- void **set_agent_max_climb** **(** :ref:`float<class_float>` value **)**
- :ref:`float<class_float>` **get_agent_max_climb** **(** **)**
The minimum ledge height that is considered to still be traversable.
\ **Note:** While baking, this value will be rounded down to the nearest multiple of :ref:`cell_height<class_NavigationMesh_property_cell_height>`.
.. rst-class:: classref-item-separator
----
.. _class_NavigationMesh_property_agent_max_slope:
.. rst-class:: classref-property
:ref:`float<class_float>` **agent_max_slope** = ``45.0``
.. rst-class:: classref-property-setget
- void **set_agent_max_slope** **(** :ref:`float<class_float>` value **)**
- :ref:`float<class_float>` **get_agent_max_slope** **(** **)**
The maximum slope that is considered walkable, in degrees.
.. rst-class:: classref-item-separator
----
.. _class_NavigationMesh_property_agent_radius:
.. rst-class:: classref-property
:ref:`float<class_float>` **agent_radius** = ``0.5``
.. rst-class:: classref-property-setget
- void **set_agent_radius** **(** :ref:`float<class_float>` value **)**
- :ref:`float<class_float>` **get_agent_radius** **(** **)**
The distance to erode/shrink the walkable area of the heightfield away from obstructions.
\ **Note:** While baking, this value will be rounded up to the nearest multiple of :ref:`cell_size<class_NavigationMesh_property_cell_size>`.
.. rst-class:: classref-item-separator
----
.. _class_NavigationMesh_property_cell_height:
.. rst-class:: classref-property
:ref:`float<class_float>` **cell_height** = ``0.25``
.. rst-class:: classref-property-setget
- void **set_cell_height** **(** :ref:`float<class_float>` value **)**
- :ref:`float<class_float>` **get_cell_height** **(** **)**
The Y axis cell size to use for fields.
.. rst-class:: classref-item-separator
----
.. _class_NavigationMesh_property_cell_size:
.. rst-class:: classref-property
:ref:`float<class_float>` **cell_size** = ``0.25``
.. rst-class:: classref-property-setget
- void **set_cell_size** **(** :ref:`float<class_float>` value **)**
- :ref:`float<class_float>` **get_cell_size** **(** **)**
The XZ plane cell size to use for fields.
.. rst-class:: classref-item-separator
----
.. _class_NavigationMesh_property_detail_sample_distance:
.. rst-class:: classref-property
:ref:`float<class_float>` **detail_sample_distance** = ``6.0``
.. rst-class:: classref-property-setget
- void **set_detail_sample_distance** **(** :ref:`float<class_float>` value **)**
- :ref:`float<class_float>` **get_detail_sample_distance** **(** **)**
The sampling distance to use when generating the detail mesh, in cell unit.
.. rst-class:: classref-item-separator
----
.. _class_NavigationMesh_property_detail_sample_max_error:
.. rst-class:: classref-property
:ref:`float<class_float>` **detail_sample_max_error** = ``1.0``
.. rst-class:: classref-property-setget
- void **set_detail_sample_max_error** **(** :ref:`float<class_float>` value **)**
- :ref:`float<class_float>` **get_detail_sample_max_error** **(** **)**
The maximum distance the detail mesh surface should deviate from heightfield, in cell unit.
.. rst-class:: classref-item-separator
----
.. _class_NavigationMesh_property_edge_max_error:
.. rst-class:: classref-property
:ref:`float<class_float>` **edge_max_error** = ``1.3``
.. rst-class:: classref-property-setget
- void **set_edge_max_error** **(** :ref:`float<class_float>` value **)**
- :ref:`float<class_float>` **get_edge_max_error** **(** **)**
The maximum distance a simplfied contour's border edges should deviate the original raw contour.
.. rst-class:: classref-item-separator
----
.. _class_NavigationMesh_property_edge_max_length:
.. rst-class:: classref-property
:ref:`float<class_float>` **edge_max_length** = ``12.0``
.. rst-class:: classref-property-setget
- void **set_edge_max_length** **(** :ref:`float<class_float>` value **)**
- :ref:`float<class_float>` **get_edge_max_length** **(** **)**
The maximum allowed length for contour edges along the border of the mesh.
\ **Note:** While baking, this value will be rounded up to the nearest multiple of :ref:`cell_size<class_NavigationMesh_property_cell_size>`.
.. rst-class:: classref-item-separator
----
.. _class_NavigationMesh_property_filter_baking_aabb:
.. rst-class:: classref-property
:ref:`AABB<class_AABB>` **filter_baking_aabb** = ``AABB( 0, 0, 0, 0, 0, 0 )``
.. rst-class:: classref-property-setget
- void **set_filter_baking_aabb** **(** :ref:`AABB<class_AABB>` value **)**
- :ref:`AABB<class_AABB>` **get_filter_baking_aabb** **(** **)**
If the baking :ref:`AABB<class_AABB>` has a volume the navigation mesh baking will be restricted to its enclosing area.
.. rst-class:: classref-item-separator
----
.. _class_NavigationMesh_property_filter_baking_aabb_offset:
.. rst-class:: classref-property
:ref:`Vector3<class_Vector3>` **filter_baking_aabb_offset** = ``Vector3( 0, 0, 0 )``
.. rst-class:: classref-property-setget
- void **set_filter_baking_aabb_offset** **(** :ref:`Vector3<class_Vector3>` value **)**
- :ref:`Vector3<class_Vector3>` **get_filter_baking_aabb_offset** **(** **)**
The position offset applied to the :ref:`filter_baking_aabb<class_NavigationMesh_property_filter_baking_aabb>` :ref:`AABB<class_AABB>`.
.. rst-class:: classref-item-separator
----
.. _class_NavigationMesh_property_filter_ledge_spans:
.. rst-class:: classref-property
:ref:`bool<class_bool>` **filter_ledge_spans** = ``false``
.. rst-class:: classref-property-setget
- void **set_filter_ledge_spans** **(** :ref:`bool<class_bool>` value **)**
- :ref:`bool<class_bool>` **get_filter_ledge_spans** **(** **)**
If ``true``, marks spans that are ledges as non-walkable.
.. rst-class:: classref-item-separator
----
.. _class_NavigationMesh_property_filter_low_hanging_obstacles:
.. rst-class:: classref-property
:ref:`bool<class_bool>` **filter_low_hanging_obstacles** = ``false``
.. rst-class:: classref-property-setget
- void **set_filter_low_hanging_obstacles** **(** :ref:`bool<class_bool>` value **)**
- :ref:`bool<class_bool>` **get_filter_low_hanging_obstacles** **(** **)**
If ``true``, marks non-walkable spans as walkable if their maximum is within :ref:`agent_max_climb<class_NavigationMesh_property_agent_max_climb>` of a walkable neighbor.
.. rst-class:: classref-item-separator
----
.. _class_NavigationMesh_property_filter_walkable_low_height_spans:
.. rst-class:: classref-property
:ref:`bool<class_bool>` **filter_walkable_low_height_spans** = ``false``
.. rst-class:: classref-property-setget
- void **set_filter_walkable_low_height_spans** **(** :ref:`bool<class_bool>` value **)**
- :ref:`bool<class_bool>` **get_filter_walkable_low_height_spans** **(** **)**
If ``true``, marks walkable spans as not walkable if the clearance above the span is less than :ref:`agent_height<class_NavigationMesh_property_agent_height>`.
.. rst-class:: classref-item-separator
----
.. _class_NavigationMesh_property_geometry_collision_mask:
.. rst-class:: classref-property
:ref:`int<class_int>` **geometry_collision_mask** = ``4294967295``
.. rst-class:: classref-property-setget
- void **set_collision_mask** **(** :ref:`int<class_int>` value **)**
- :ref:`int<class_int>` **get_collision_mask** **(** **)**
The physics layers to scan for static colliders.
Only used when :ref:`geometry_parsed_geometry_type<class_NavigationMesh_property_geometry_parsed_geometry_type>` is :ref:`PARSED_GEOMETRY_STATIC_COLLIDERS<class_NavigationMesh_constant_PARSED_GEOMETRY_STATIC_COLLIDERS>` or :ref:`PARSED_GEOMETRY_BOTH<class_NavigationMesh_constant_PARSED_GEOMETRY_BOTH>`.
.. rst-class:: classref-item-separator
----
.. _class_NavigationMesh_property_geometry_parsed_geometry_type:
.. rst-class:: classref-property
:ref:`ParsedGeometryType<enum_NavigationMesh_ParsedGeometryType>` **geometry_parsed_geometry_type** = ``0``
.. rst-class:: classref-property-setget
- void **set_parsed_geometry_type** **(** :ref:`ParsedGeometryType<enum_NavigationMesh_ParsedGeometryType>` value **)**
- :ref:`ParsedGeometryType<enum_NavigationMesh_ParsedGeometryType>` **get_parsed_geometry_type** **(** **)**
Determines which type of nodes will be parsed as geometry. See :ref:`ParsedGeometryType<enum_NavigationMesh_ParsedGeometryType>` for possible values.
.. rst-class:: classref-item-separator
----
.. _class_NavigationMesh_property_geometry_source_geometry_mode:
.. rst-class:: classref-property
:ref:`SourceGeometryMode<enum_NavigationMesh_SourceGeometryMode>` **geometry_source_geometry_mode** = ``0``
.. rst-class:: classref-property-setget
- void **set_source_geometry_mode** **(** :ref:`SourceGeometryMode<enum_NavigationMesh_SourceGeometryMode>` value **)**
- :ref:`SourceGeometryMode<enum_NavigationMesh_SourceGeometryMode>` **get_source_geometry_mode** **(** **)**
The source of the geometry used when baking. See :ref:`SourceGeometryMode<enum_NavigationMesh_SourceGeometryMode>` for possible values.
.. rst-class:: classref-item-separator
----
.. _class_NavigationMesh_property_geometry_source_group_name:
.. rst-class:: classref-property
:ref:`String<class_String>` **geometry_source_group_name** = ``"navmesh"``
.. rst-class:: classref-property-setget
- void **set_source_group_name** **(** :ref:`String<class_String>` value **)**
- :ref:`String<class_String>` **get_source_group_name** **(** **)**
The name of the group to scan for geometry.
Only used when :ref:`geometry_source_geometry_mode<class_NavigationMesh_property_geometry_source_geometry_mode>` is :ref:`SOURCE_GEOMETRY_GROUPS_WITH_CHILDREN<class_NavigationMesh_constant_SOURCE_GEOMETRY_GROUPS_WITH_CHILDREN>` or :ref:`SOURCE_GEOMETRY_GROUPS_EXPLICIT<class_NavigationMesh_constant_SOURCE_GEOMETRY_GROUPS_EXPLICIT>`.
.. rst-class:: classref-item-separator
----
.. _class_NavigationMesh_property_polygon_verts_per_poly:
.. rst-class:: classref-property
:ref:`float<class_float>` **polygon_verts_per_poly** = ``6.0``
.. rst-class:: classref-property-setget
- void **set_verts_per_poly** **(** :ref:`float<class_float>` value **)**
- :ref:`float<class_float>` **get_verts_per_poly** **(** **)**
The maximum number of vertices allowed for polygons generated during the contour to polygon conversion process.
.. rst-class:: classref-item-separator
----
.. _class_NavigationMesh_property_region_merge_size:
.. rst-class:: classref-property
:ref:`float<class_float>` **region_merge_size** = ``20.0``
.. rst-class:: classref-property-setget
- void **set_region_merge_size** **(** :ref:`float<class_float>` value **)**
- :ref:`float<class_float>` **get_region_merge_size** **(** **)**
Any regions with a size smaller than this will be merged with larger regions if possible.
\ **Note:** This value will be squared to calculate the number of cells. For example, a value of 20 will set the number of cells to 400.
.. rst-class:: classref-item-separator
----
.. _class_NavigationMesh_property_region_min_size:
.. rst-class:: classref-property
:ref:`float<class_float>` **region_min_size** = ``2.0``
.. rst-class:: classref-property-setget
- void **set_region_min_size** **(** :ref:`float<class_float>` value **)**
- :ref:`float<class_float>` **get_region_min_size** **(** **)**
The minimum size of a region for it to be created.
\ **Note:** This value will be squared to calculate the minimum number of cells allowed to form isolated island areas. For example, a value of 8 will set the number of cells to 64.
.. rst-class:: classref-item-separator
----
.. _class_NavigationMesh_property_sample_partition_type:
.. rst-class:: classref-property
:ref:`SamplePartitionType<enum_NavigationMesh_SamplePartitionType>` **sample_partition_type** = ``0``
.. rst-class:: classref-property-setget
- void **set_sample_partition_type** **(** :ref:`SamplePartitionType<enum_NavigationMesh_SamplePartitionType>` value **)**
- :ref:`SamplePartitionType<enum_NavigationMesh_SamplePartitionType>` **get_sample_partition_type** **(** **)**
Partitioning algorithm for creating the navigation mesh polys. See :ref:`SamplePartitionType<enum_NavigationMesh_SamplePartitionType>` for possible values.
.. rst-class:: classref-section-separator
----
.. rst-class:: classref-descriptions-group
Method Descriptions
-------------------
.. _class_NavigationMesh_method_add_polygon:
.. rst-class:: classref-method
void **add_polygon** **(** :ref:`PoolIntArray<class_PoolIntArray>` polygon **)**
Adds a polygon using the indices of the vertices you get when calling :ref:`get_vertices<class_NavigationMesh_method_get_vertices>`.
.. rst-class:: classref-item-separator
----
.. _class_NavigationMesh_method_clear_polygons:
.. rst-class:: classref-method
void **clear_polygons** **(** **)**
Clears the array of polygons, but it doesn't clear the array of vertices.
.. rst-class:: classref-item-separator
----
.. _class_NavigationMesh_method_create_from_mesh:
.. rst-class:: classref-method
void **create_from_mesh** **(** :ref:`Mesh<class_Mesh>` mesh **)**
Initializes the navigation mesh by setting the vertices and indices according to a :ref:`Mesh<class_Mesh>`.
.. rst-class:: classref-item-separator
----
.. _class_NavigationMesh_method_get_collision_mask_bit:
.. rst-class:: classref-method
:ref:`bool<class_bool>` **get_collision_mask_bit** **(** :ref:`int<class_int>` bit **)** |const|
Returns whether the specified ``bit`` of the :ref:`geometry_collision_mask<class_NavigationMesh_property_geometry_collision_mask>` is set.
.. rst-class:: classref-item-separator
----
.. _class_NavigationMesh_method_get_polygon:
.. rst-class:: classref-method
:ref:`PoolIntArray<class_PoolIntArray>` **get_polygon** **(** :ref:`int<class_int>` idx **)**
Returns a :ref:`PoolIntArray<class_PoolIntArray>` containing the indices of the vertices of a created polygon.
.. rst-class:: classref-item-separator
----
.. _class_NavigationMesh_method_get_polygon_count:
.. rst-class:: classref-method
:ref:`int<class_int>` **get_polygon_count** **(** **)** |const|
Returns the number of polygons in the navigation mesh.
.. rst-class:: classref-item-separator
----
.. _class_NavigationMesh_method_get_vertices:
.. rst-class:: classref-method
:ref:`PoolVector3Array<class_PoolVector3Array>` **get_vertices** **(** **)** |const|
Returns a :ref:`PoolVector3Array<class_PoolVector3Array>` containing all the vertices being used to create the polygons.
.. rst-class:: classref-item-separator
----
.. _class_NavigationMesh_method_set_collision_mask_bit:
.. rst-class:: classref-method
void **set_collision_mask_bit** **(** :ref:`int<class_int>` bit, :ref:`bool<class_bool>` value **)**
If ``value`` is ``true``, sets the specified ``bit`` in the :ref:`geometry_collision_mask<class_NavigationMesh_property_geometry_collision_mask>`.
If ``value`` is ``false``, clears the specified ``bit`` in the :ref:`geometry_collision_mask<class_NavigationMesh_property_geometry_collision_mask>`.
.. rst-class:: classref-item-separator
----
.. _class_NavigationMesh_method_set_vertices:
.. rst-class:: classref-method
void **set_vertices** **(** :ref:`PoolVector3Array<class_PoolVector3Array>` vertices **)**
Sets the vertices that can be then indexed to create polygons with the :ref:`add_polygon<class_NavigationMesh_method_add_polygon>` method.
.. |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.)`
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