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216 lines
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ReStructuredText
216 lines
10 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/NavigationRegion2D.xml.
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.. _class_NavigationRegion2D:
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NavigationRegion2D
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==================
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**Inherits:** :ref:`Node2D<class_Node2D>` **<** :ref:`CanvasItem<class_CanvasItem>` **<** :ref:`Node<class_Node>` **<** :ref:`Object<class_Object>`
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A region of the 2D navigation map.
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.. rst-class:: classref-introduction-group
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Description
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-----------
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A region of the navigation map. It tells the :ref:`NavigationServer2D<class_NavigationServer2D>` what can be navigated and what cannot, based on its :ref:`NavigationPolygon<class_NavigationPolygon>` resource.
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Two regions can be connected to each other if they share a similar edge. You can set the minimum distance between two vertices required to connect two edges by using :ref:`NavigationServer2D.map_set_edge_connection_margin<class_NavigationServer2D_method_map_set_edge_connection_margin>`.
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\ **Note:** Overlapping two regions' navigation polygons is not enough for connecting two regions. They must share a similar edge.
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The pathfinding cost of entering this region from another region can be controlled with the :ref:`enter_cost<class_NavigationRegion2D_property_enter_cost>` value.
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\ **Note:** This value is not added to the path cost when the start position is already inside this region.
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The pathfinding cost of traveling distances inside this region can be controlled with the :ref:`travel_cost<class_NavigationRegion2D_property_travel_cost>` multiplier.
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\ **Note:** This node caches changes to its properties, so if you make changes to the underlying region :ref:`RID<class_RID>` in :ref:`NavigationServer2D<class_NavigationServer2D>`, they will not be reflected in this node's properties.
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.. rst-class:: classref-introduction-group
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Tutorials
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---------
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- :doc:`Using NavigationRegions <../tutorials/navigation/navigation_using_navigationregions>`
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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:`bool<class_bool>` | :ref:`enabled<class_NavigationRegion2D_property_enabled>` | ``true`` |
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+---------------------------------------------------+---------------------------------------------------------------------------------+----------+
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| :ref:`float<class_float>` | :ref:`enter_cost<class_NavigationRegion2D_property_enter_cost>` | ``0.0`` |
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+---------------------------------------------------+---------------------------------------------------------------------------------+----------+
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| :ref:`int<class_int>` | :ref:`navigation_layers<class_NavigationRegion2D_property_navigation_layers>` | ``1`` |
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+---------------------------------------------------+---------------------------------------------------------------------------------+----------+
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| :ref:`NavigationPolygon<class_NavigationPolygon>` | :ref:`navigation_polygon<class_NavigationRegion2D_property_navigation_polygon>` | |
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+---------------------------------------------------+---------------------------------------------------------------------------------+----------+
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| :ref:`float<class_float>` | :ref:`travel_cost<class_NavigationRegion2D_property_travel_cost>` | ``1.0`` |
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+---------------------------------------------------+---------------------------------------------------------------------------------+----------+
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.. rst-class:: classref-reftable-group
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Methods
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-------
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.. table::
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:widths: auto
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+-------------------------+-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
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| :ref:`bool<class_bool>` | :ref:`get_navigation_layer_value<class_NavigationRegion2D_method_get_navigation_layer_value>` **(** :ref:`int<class_int>` layer_number **)** |const| |
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+-------------------------+-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
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| :ref:`RID<class_RID>` | :ref:`get_region_rid<class_NavigationRegion2D_method_get_region_rid>` **(** **)** |const| |
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+-------------------------+-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
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| void | :ref:`set_navigation_layer_value<class_NavigationRegion2D_method_set_navigation_layer_value>` **(** :ref:`int<class_int>` layer_number, :ref:`bool<class_bool>` value **)** |
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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_NavigationRegion2D_property_enabled:
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.. rst-class:: classref-property
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:ref:`bool<class_bool>` **enabled** = ``true``
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.. rst-class:: classref-property-setget
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- void **set_enabled** **(** :ref:`bool<class_bool>` value **)**
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- :ref:`bool<class_bool>` **is_enabled** **(** **)**
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Determines if the **NavigationRegion2D** is enabled or disabled.
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.. rst-class:: classref-item-separator
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----
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.. _class_NavigationRegion2D_property_enter_cost:
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.. rst-class:: classref-property
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:ref:`float<class_float>` **enter_cost** = ``0.0``
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.. rst-class:: classref-property-setget
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- void **set_enter_cost** **(** :ref:`float<class_float>` value **)**
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- :ref:`float<class_float>` **get_enter_cost** **(** **)**
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When pathfinding enters this region's navigation mesh from another regions navigation mesh the ``enter_cost`` value is added to the path distance for determining the shortest path.
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.. rst-class:: classref-item-separator
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----
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.. _class_NavigationRegion2D_property_navigation_layers:
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.. rst-class:: classref-property
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:ref:`int<class_int>` **navigation_layers** = ``1``
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.. rst-class:: classref-property-setget
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- void **set_navigation_layers** **(** :ref:`int<class_int>` value **)**
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- :ref:`int<class_int>` **get_navigation_layers** **(** **)**
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A bitfield determining all navigation layers the region belongs to. These navigation layers can be checked upon when requesting a path with :ref:`NavigationServer2D.map_get_path<class_NavigationServer2D_method_map_get_path>`.
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.. rst-class:: classref-item-separator
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----
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.. _class_NavigationRegion2D_property_navigation_polygon:
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.. rst-class:: classref-property
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:ref:`NavigationPolygon<class_NavigationPolygon>` **navigation_polygon**
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.. rst-class:: classref-property-setget
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- void **set_navigation_polygon** **(** :ref:`NavigationPolygon<class_NavigationPolygon>` value **)**
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- :ref:`NavigationPolygon<class_NavigationPolygon>` **get_navigation_polygon** **(** **)**
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The :ref:`NavigationPolygon<class_NavigationPolygon>` resource to use.
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.. rst-class:: classref-item-separator
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----
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.. _class_NavigationRegion2D_property_travel_cost:
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.. rst-class:: classref-property
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:ref:`float<class_float>` **travel_cost** = ``1.0``
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.. rst-class:: classref-property-setget
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- void **set_travel_cost** **(** :ref:`float<class_float>` value **)**
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- :ref:`float<class_float>` **get_travel_cost** **(** **)**
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When pathfinding moves inside this region's navigation mesh the traveled distances are multiplied with ``travel_cost`` for determining the shortest path.
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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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Method Descriptions
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-------------------
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.. _class_NavigationRegion2D_method_get_navigation_layer_value:
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.. rst-class:: classref-method
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:ref:`bool<class_bool>` **get_navigation_layer_value** **(** :ref:`int<class_int>` layer_number **)** |const|
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Returns whether or not the specified layer of the :ref:`navigation_layers<class_NavigationRegion2D_property_navigation_layers>` bitmask is enabled, given a ``layer_number`` between 1 and 32.
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.. rst-class:: classref-item-separator
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----
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.. _class_NavigationRegion2D_method_get_region_rid:
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.. rst-class:: classref-method
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:ref:`RID<class_RID>` **get_region_rid** **(** **)** |const|
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Returns the :ref:`RID<class_RID>` of this region on the :ref:`NavigationServer2D<class_NavigationServer2D>`. Combined with :ref:`NavigationServer2D.map_get_closest_point_owner<class_NavigationServer2D_method_map_get_closest_point_owner>` can be used to identify the **NavigationRegion2D** closest to a point on the merged navigation map.
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.. rst-class:: classref-item-separator
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----
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.. _class_NavigationRegion2D_method_set_navigation_layer_value:
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.. rst-class:: classref-method
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void **set_navigation_layer_value** **(** :ref:`int<class_int>` layer_number, :ref:`bool<class_bool>` value **)**
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Based on ``value``, enables or disables the specified layer in the :ref:`navigation_layers<class_NavigationRegion2D_property_navigation_layers>` bitmask, given a ``layer_number`` between 1 and 32.
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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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