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452 lines
23 KiB
ReStructuredText
452 lines
23 KiB
ReStructuredText
:github_url: hide
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.. _class_NavigationPathQueryParameters2D:
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NavigationPathQueryParameters2D
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===============================
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**实验性：** This class may be changed or removed in future versions.
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**继承：** :ref:`RefCounted<class_RefCounted>` **<** :ref:`Object<class_Object>`
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为 2D 导航路径查询提供参数。
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.. rst-class:: classref-introduction-group
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描述
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----
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更改该对象的起始和结束位置等属性可以配置对 :ref:`NavigationServer2D<class_NavigationServer2D>` 的路径查询。
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.. rst-class:: classref-introduction-group
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教程
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----
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- :doc:`使用 NavigationPathQueryObject <../tutorials/navigation/navigation_using_navigationpathqueryobjects>`
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.. rst-class:: classref-reftable-group
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属性
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----
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.. table::
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:widths: auto
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+------------------------------------------------------------------------------------------------+----------------------------------------------------------------------------------------------------------+-------------------+
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| :ref:`Array<class_Array>`\[:ref:`RID<class_RID>`\] | :ref:`excluded_regions<class_NavigationPathQueryParameters2D_property_excluded_regions>` | ``[]`` |
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+------------------------------------------------------------------------------------------------+----------------------------------------------------------------------------------------------------------+-------------------+
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| :ref:`Array<class_Array>`\[:ref:`RID<class_RID>`\] | :ref:`included_regions<class_NavigationPathQueryParameters2D_property_included_regions>` | ``[]`` |
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+------------------------------------------------------------------------------------------------+----------------------------------------------------------------------------------------------------------+-------------------+
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| :ref:`RID<class_RID>` | :ref:`map<class_NavigationPathQueryParameters2D_property_map>` | ``RID()`` |
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+------------------------------------------------------------------------------------------------+----------------------------------------------------------------------------------------------------------+-------------------+
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| |bitfield|\[:ref:`PathMetadataFlags<enum_NavigationPathQueryParameters2D_PathMetadataFlags>`\] | :ref:`metadata_flags<class_NavigationPathQueryParameters2D_property_metadata_flags>` | ``7`` |
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+------------------------------------------------------------------------------------------------+----------------------------------------------------------------------------------------------------------+-------------------+
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| :ref:`int<class_int>` | :ref:`navigation_layers<class_NavigationPathQueryParameters2D_property_navigation_layers>` | ``1`` |
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+------------------------------------------------------------------------------------------------+----------------------------------------------------------------------------------------------------------+-------------------+
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| :ref:`PathPostProcessing<enum_NavigationPathQueryParameters2D_PathPostProcessing>` | :ref:`path_postprocessing<class_NavigationPathQueryParameters2D_property_path_postprocessing>` | ``0`` |
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+------------------------------------------------------------------------------------------------+----------------------------------------------------------------------------------------------------------+-------------------+
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| :ref:`float<class_float>` | :ref:`path_return_max_length<class_NavigationPathQueryParameters2D_property_path_return_max_length>` | ``0.0`` |
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+------------------------------------------------------------------------------------------------+----------------------------------------------------------------------------------------------------------+-------------------+
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| :ref:`float<class_float>` | :ref:`path_return_max_radius<class_NavigationPathQueryParameters2D_property_path_return_max_radius>` | ``0.0`` |
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+------------------------------------------------------------------------------------------------+----------------------------------------------------------------------------------------------------------+-------------------+
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| :ref:`float<class_float>` | :ref:`path_search_max_distance<class_NavigationPathQueryParameters2D_property_path_search_max_distance>` | ``0.0`` |
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+------------------------------------------------------------------------------------------------+----------------------------------------------------------------------------------------------------------+-------------------+
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| :ref:`int<class_int>` | :ref:`path_search_max_polygons<class_NavigationPathQueryParameters2D_property_path_search_max_polygons>` | ``4096`` |
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+------------------------------------------------------------------------------------------------+----------------------------------------------------------------------------------------------------------+-------------------+
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| :ref:`PathfindingAlgorithm<enum_NavigationPathQueryParameters2D_PathfindingAlgorithm>` | :ref:`pathfinding_algorithm<class_NavigationPathQueryParameters2D_property_pathfinding_algorithm>` | ``0`` |
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+------------------------------------------------------------------------------------------------+----------------------------------------------------------------------------------------------------------+-------------------+
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| :ref:`float<class_float>` | :ref:`simplify_epsilon<class_NavigationPathQueryParameters2D_property_simplify_epsilon>` | ``0.0`` |
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+------------------------------------------------------------------------------------------------+----------------------------------------------------------------------------------------------------------+-------------------+
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| :ref:`bool<class_bool>` | :ref:`simplify_path<class_NavigationPathQueryParameters2D_property_simplify_path>` | ``false`` |
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+------------------------------------------------------------------------------------------------+----------------------------------------------------------------------------------------------------------+-------------------+
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| :ref:`Vector2<class_Vector2>` | :ref:`start_position<class_NavigationPathQueryParameters2D_property_start_position>` | ``Vector2(0, 0)`` |
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+------------------------------------------------------------------------------------------------+----------------------------------------------------------------------------------------------------------+-------------------+
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| :ref:`Vector2<class_Vector2>` | :ref:`target_position<class_NavigationPathQueryParameters2D_property_target_position>` | ``Vector2(0, 0)`` |
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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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枚举
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----
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.. _enum_NavigationPathQueryParameters2D_PathfindingAlgorithm:
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.. rst-class:: classref-enumeration
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enum **PathfindingAlgorithm**: :ref:`🔗<enum_NavigationPathQueryParameters2D_PathfindingAlgorithm>`
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.. _class_NavigationPathQueryParameters2D_constant_PATHFINDING_ALGORITHM_ASTAR:
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.. rst-class:: classref-enumeration-constant
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:ref:`PathfindingAlgorithm<enum_NavigationPathQueryParameters2D_PathfindingAlgorithm>` **PATHFINDING_ALGORITHM_ASTAR** = ``0``
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路径查询使用默认的 A\* 寻路算法。
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.. rst-class:: classref-item-separator
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----
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.. _enum_NavigationPathQueryParameters2D_PathPostProcessing:
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.. rst-class:: classref-enumeration
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enum **PathPostProcessing**: :ref:`🔗<enum_NavigationPathQueryParameters2D_PathPostProcessing>`
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.. _class_NavigationPathQueryParameters2D_constant_PATH_POSTPROCESSING_CORRIDORFUNNEL:
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.. rst-class:: classref-enumeration-constant
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:ref:`PathPostProcessing<enum_NavigationPathQueryParameters2D_PathPostProcessing>` **PATH_POSTPROCESSING_CORRIDORFUNNEL** = ``0``
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将漏斗算法应用于寻路算法找到的原始路径走廊。这将导致最短路径可能在路径走廊内。该后处理在很大程度上取决于导航网格多边形布局和创建的走廊。特别是基于图块和网格的布局，可能会由于单元格形状强加的锯齿状的路径走廊，而面临对角线移动的人工角落。
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.. _class_NavigationPathQueryParameters2D_constant_PATH_POSTPROCESSING_EDGECENTERED:
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.. rst-class:: classref-enumeration-constant
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:ref:`PathPostProcessing<enum_NavigationPathQueryParameters2D_PathPostProcessing>` **PATH_POSTPROCESSING_EDGECENTERED** = ``1``
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将路径上的所有位置在经过的导航网格多边形边缘上居中。这样就把移动限制在了单元格的中心，能够为基于图块或栅格的布局创建更好的路径。
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.. _class_NavigationPathQueryParameters2D_constant_PATH_POSTPROCESSING_NONE:
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.. rst-class:: classref-enumeration-constant
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:ref:`PathPostProcessing<enum_NavigationPathQueryParameters2D_PathPostProcessing>` **PATH_POSTPROCESSING_NONE** = ``2``
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不进行后期处理，返回寻路算法找到的原始路径走廊。
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.. rst-class:: classref-item-separator
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----
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.. _enum_NavigationPathQueryParameters2D_PathMetadataFlags:
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.. rst-class:: classref-enumeration
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flags **PathMetadataFlags**: :ref:`🔗<enum_NavigationPathQueryParameters2D_PathMetadataFlags>`
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.. _class_NavigationPathQueryParameters2D_constant_PATH_METADATA_INCLUDE_NONE:
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.. rst-class:: classref-enumeration-constant
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:ref:`PathMetadataFlags<enum_NavigationPathQueryParameters2D_PathMetadataFlags>` **PATH_METADATA_INCLUDE_NONE** = ``0``
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不要包含任何关于返回路径的额外元数据。
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.. _class_NavigationPathQueryParameters2D_constant_PATH_METADATA_INCLUDE_TYPES:
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.. rst-class:: classref-enumeration-constant
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:ref:`PathMetadataFlags<enum_NavigationPathQueryParameters2D_PathMetadataFlags>` **PATH_METADATA_INCLUDE_TYPES** = ``1``
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包含路径上的各个点所经过的导航图元类型（地区或链接）。
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.. _class_NavigationPathQueryParameters2D_constant_PATH_METADATA_INCLUDE_RIDS:
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.. rst-class:: classref-enumeration-constant
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:ref:`PathMetadataFlags<enum_NavigationPathQueryParameters2D_PathMetadataFlags>` **PATH_METADATA_INCLUDE_RIDS** = ``2``
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包含路径上的各个点所经过的地区和链接的 :ref:`RID<class_RID>`\ 。
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.. _class_NavigationPathQueryParameters2D_constant_PATH_METADATA_INCLUDE_OWNERS:
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.. rst-class:: classref-enumeration-constant
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:ref:`PathMetadataFlags<enum_NavigationPathQueryParameters2D_PathMetadataFlags>` **PATH_METADATA_INCLUDE_OWNERS** = ``4``
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包含管理路径上的各个点所经过的地区和链接的 :ref:`Object<class_Object>` 的 ``ObjectID``\ 。
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.. _class_NavigationPathQueryParameters2D_constant_PATH_METADATA_INCLUDE_ALL:
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.. rst-class:: classref-enumeration-constant
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:ref:`PathMetadataFlags<enum_NavigationPathQueryParameters2D_PathMetadataFlags>` **PATH_METADATA_INCLUDE_ALL** = ``7``
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包含关于返回路径的所有可用元数据。
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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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属性说明
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--------
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.. _class_NavigationPathQueryParameters2D_property_excluded_regions:
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.. rst-class:: classref-property
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:ref:`Array<class_Array>`\[:ref:`RID<class_RID>`\] **excluded_regions** = ``[]`` :ref:`🔗<class_NavigationPathQueryParameters2D_property_excluded_regions>`
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.. rst-class:: classref-property-setget
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- |void| **set_excluded_regions**\ (\ value\: :ref:`Array<class_Array>`\[:ref:`RID<class_RID>`\]\ )
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- :ref:`Array<class_Array>`\[:ref:`RID<class_RID>`\] **get_excluded_regions**\ (\ )
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将被排除在路径查询之外的区块的 :ref:`RID<class_RID>` 列表。请使用 :ref:`NavigationRegion2D.get_rid()<class_NavigationRegion2D_method_get_rid>` 来获取与派生自 :ref:`NavigationRegion2D<class_NavigationRegion2D>` 的节点关联的 :ref:`RID<class_RID>`\ 。
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\ **注意：**\ 返回的数组为副本，对其进行的修改不会更新原有属性。更新时，请先修改返回的数组，然后将其重新赋值回该属性。
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.. rst-class:: classref-item-separator
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----
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.. _class_NavigationPathQueryParameters2D_property_included_regions:
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.. rst-class:: classref-property
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:ref:`Array<class_Array>`\[:ref:`RID<class_RID>`\] **included_regions** = ``[]`` :ref:`🔗<class_NavigationPathQueryParameters2D_property_included_regions>`
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.. rst-class:: classref-property-setget
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- |void| **set_included_regions**\ (\ value\: :ref:`Array<class_Array>`\[:ref:`RID<class_RID>`\]\ )
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- :ref:`Array<class_Array>`\[:ref:`RID<class_RID>`\] **get_included_regions**\ (\ )
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将被排除在路径查询之外的区块的 :ref:`RID<class_RID>` 列表。请使用 :ref:`NavigationRegion2D.get_rid()<class_NavigationRegion2D_method_get_rid>` 来获取与派生自 :ref:`NavigationRegion2D<class_NavigationRegion2D>` 的节点关联的 :ref:`RID<class_RID>`\ 。如果留空则会包含所有区块。如果区块最终同时处于包含和排除状态，则会被排除。
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\ **注意：**\ 返回的数组为副本，对其进行的修改不会更新原有属性。更新时，请先修改返回的数组，然后将其重新赋值回该属性。
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.. rst-class:: classref-item-separator
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----
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.. _class_NavigationPathQueryParameters2D_property_map:
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.. rst-class:: classref-property
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:ref:`RID<class_RID>` **map** = ``RID()`` :ref:`🔗<class_NavigationPathQueryParameters2D_property_map>`
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.. rst-class:: classref-property-setget
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- |void| **set_map**\ (\ value\: :ref:`RID<class_RID>`\ )
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- :ref:`RID<class_RID>` **get_map**\ (\ )
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在路径查询中使用的导航地图 :ref:`RID<class_RID>`\ 。
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.. rst-class:: classref-item-separator
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----
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.. _class_NavigationPathQueryParameters2D_property_metadata_flags:
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.. rst-class:: classref-property
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|bitfield|\[:ref:`PathMetadataFlags<enum_NavigationPathQueryParameters2D_PathMetadataFlags>`\] **metadata_flags** = ``7`` :ref:`🔗<class_NavigationPathQueryParameters2D_property_metadata_flags>`
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.. rst-class:: classref-property-setget
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- |void| **set_metadata_flags**\ (\ value\: |bitfield|\[:ref:`PathMetadataFlags<enum_NavigationPathQueryParameters2D_PathMetadataFlags>`\]\ )
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- |bitfield|\[:ref:`PathMetadataFlags<enum_NavigationPathQueryParameters2D_PathMetadataFlags>`\] **get_metadata_flags**\ (\ )
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包含在导航路径中的额外信息。
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.. rst-class:: classref-item-separator
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----
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.. _class_NavigationPathQueryParameters2D_property_navigation_layers:
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.. rst-class:: classref-property
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:ref:`int<class_int>` **navigation_layers** = ``1`` :ref:`🔗<class_NavigationPathQueryParameters2D_property_navigation_layers>`
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.. rst-class:: classref-property-setget
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- |void| **set_navigation_layers**\ (\ value\: :ref:`int<class_int>`\ )
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- :ref:`int<class_int>` **get_navigation_layers**\ (\ )
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查询所使用的导航层（形式为位掩码）。
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.. rst-class:: classref-item-separator
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----
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.. _class_NavigationPathQueryParameters2D_property_path_postprocessing:
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.. rst-class:: classref-property
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:ref:`PathPostProcessing<enum_NavigationPathQueryParameters2D_PathPostProcessing>` **path_postprocessing** = ``0`` :ref:`🔗<class_NavigationPathQueryParameters2D_property_path_postprocessing>`
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.. rst-class:: classref-property-setget
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- |void| **set_path_postprocessing**\ (\ value\: :ref:`PathPostProcessing<enum_NavigationPathQueryParameters2D_PathPostProcessing>`\ )
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- :ref:`PathPostProcessing<enum_NavigationPathQueryParameters2D_PathPostProcessing>` **get_path_postprocessing**\ (\ )
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对 :ref:`pathfinding_algorithm<class_NavigationPathQueryParameters2D_property_pathfinding_algorithm>` 找到的原始路径走廊应用的路径后期处理。
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.. rst-class:: classref-item-separator
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----
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.. _class_NavigationPathQueryParameters2D_property_path_return_max_length:
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.. rst-class:: classref-property
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:ref:`float<class_float>` **path_return_max_length** = ``0.0`` :ref:`🔗<class_NavigationPathQueryParameters2D_property_path_return_max_length>`
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.. rst-class:: classref-property-setget
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- |void| **set_path_return_max_length**\ (\ value\: :ref:`float<class_float>`\ )
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- :ref:`float<class_float>` **get_path_return_max_length**\ (\ )
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返回路径允许的最大长度，单位为世界单位。路径超出该长度后会被截断。设为小于等于 ``0`` 时为禁用。
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.. rst-class:: classref-item-separator
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----
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.. _class_NavigationPathQueryParameters2D_property_path_return_max_radius:
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.. rst-class:: classref-property
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:ref:`float<class_float>` **path_return_max_radius** = ``0.0`` :ref:`🔗<class_NavigationPathQueryParameters2D_property_path_return_max_radius>`
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.. rst-class:: classref-property-setget
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- |void| **set_path_return_max_radius**\ (\ value\: :ref:`float<class_float>`\ )
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- :ref:`float<class_float>` **get_path_return_max_radius**\ (\ )
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返回路径从起点开始所允许的最大半径，单位为世界单位。路径超出该半径后会被截断。取值小于等于 ``0`` 时视为禁用。
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\ **注意：**\ 该属性会对路径执行圆形裁剪，路径上的第一个位置是圆心所在的位置。
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.. rst-class:: classref-item-separator
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----
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.. _class_NavigationPathQueryParameters2D_property_path_search_max_distance:
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.. rst-class:: classref-property
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:ref:`float<class_float>` **path_search_max_distance** = ``0.0`` :ref:`🔗<class_NavigationPathQueryParameters2D_property_path_search_max_distance>`
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.. rst-class:: classref-property-setget
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- |void| **set_path_search_max_distance**\ (\ value\: :ref:`float<class_float>`\ )
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- :ref:`float<class_float>` **get_path_search_max_distance**\ (\ )
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搜索通往目的位置多边形的路径时（可能不可达或非常远），取消寻路前能够搜索的多边形的最大距离。取消时，寻路会重置，构建出的路径从起始多边形开始，通往目前所找到的最接近目的位置的多边形。小于等于 ``0`` 表示不限制数量，寻路时会搜索与起始多边形相连的所有多边形，直到发现目的位置多边形或已经查过所有待查的多边形。
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.. rst-class:: classref-item-separator
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----
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.. _class_NavigationPathQueryParameters2D_property_path_search_max_polygons:
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.. rst-class:: classref-property
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:ref:`int<class_int>` **path_search_max_polygons** = ``4096`` :ref:`🔗<class_NavigationPathQueryParameters2D_property_path_search_max_polygons>`
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.. rst-class:: classref-property-setget
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- |void| **set_path_search_max_polygons**\ (\ value\: :ref:`int<class_int>`\ )
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- :ref:`int<class_int>` **get_path_search_max_polygons**\ (\ )
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搜索通往目的位置多边形的路径时（可能不可达或非常远），取消寻路前能够搜索的最大多边形数。取消时，寻路会重置，构建出的路径从起始多边形开始，通往目前所找到的最接近目的位置的多边形。小于等于 ``0`` 表示不限制数量，寻路时会搜索与起始多边形相连的所有多边形，直到发现目的位置多边形或已经查过所有待查的多边形。
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.. rst-class:: classref-item-separator
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----
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.. _class_NavigationPathQueryParameters2D_property_pathfinding_algorithm:
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.. rst-class:: classref-property
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:ref:`PathfindingAlgorithm<enum_NavigationPathQueryParameters2D_PathfindingAlgorithm>` **pathfinding_algorithm** = ``0`` :ref:`🔗<class_NavigationPathQueryParameters2D_property_pathfinding_algorithm>`
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.. rst-class:: classref-property-setget
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- |void| **set_pathfinding_algorithm**\ (\ value\: :ref:`PathfindingAlgorithm<enum_NavigationPathQueryParameters2D_PathfindingAlgorithm>`\ )
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- :ref:`PathfindingAlgorithm<enum_NavigationPathQueryParameters2D_PathfindingAlgorithm>` **get_pathfinding_algorithm**\ (\ )
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路径查询中使用的寻路算法。
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.. rst-class:: classref-item-separator
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----
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.. _class_NavigationPathQueryParameters2D_property_simplify_epsilon:
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.. rst-class:: classref-property
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:ref:`float<class_float>` **simplify_epsilon** = ``0.0`` :ref:`🔗<class_NavigationPathQueryParameters2D_property_simplify_epsilon>`
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.. rst-class:: classref-property-setget
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- |void| **set_simplify_epsilon**\ (\ value\: :ref:`float<class_float>`\ )
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- :ref:`float<class_float>` **get_simplify_epsilon**\ (\ )
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以世界单位表示的路径简化量。
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.. rst-class:: classref-item-separator
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----
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.. _class_NavigationPathQueryParameters2D_property_simplify_path:
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.. rst-class:: classref-property
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:ref:`bool<class_bool>` **simplify_path** = ``false`` :ref:`🔗<class_NavigationPathQueryParameters2D_property_simplify_path>`
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.. rst-class:: classref-property-setget
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- |void| **set_simplify_path**\ (\ value\: :ref:`bool<class_bool>`\ )
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- :ref:`bool<class_bool>` **get_simplify_path**\ (\ )
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如果为 ``true``\ ，将返回路径的简化版本，其中移除了不太重要的路径点。简化量由 :ref:`simplify_epsilon<class_NavigationPathQueryParameters2D_property_simplify_epsilon>` 控制。简化使用 Ramer-Douglas-Peucker 算法的变体进行曲线点抽取。
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路径简化有助于缓解使用某些代理类型和脚本行为可能出现的各种路径跟踪问题。例如“开放场”中的“转向”代理或避让。
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.. rst-class:: classref-item-separator
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----
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.. _class_NavigationPathQueryParameters2D_property_start_position:
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.. rst-class:: classref-property
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:ref:`Vector2<class_Vector2>` **start_position** = ``Vector2(0, 0)`` :ref:`🔗<class_NavigationPathQueryParameters2D_property_start_position>`
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.. rst-class:: classref-property-setget
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- |void| **set_start_position**\ (\ value\: :ref:`Vector2<class_Vector2>`\ )
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- :ref:`Vector2<class_Vector2>` **get_start_position**\ (\ )
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寻路起始点，使用全局坐标。
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.. rst-class:: classref-item-separator
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----
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.. _class_NavigationPathQueryParameters2D_property_target_position:
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.. rst-class:: classref-property
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:ref:`Vector2<class_Vector2>` **target_position** = ``Vector2(0, 0)`` :ref:`🔗<class_NavigationPathQueryParameters2D_property_target_position>`
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.. rst-class:: classref-property-setget
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- |void| **set_target_position**\ (\ value\: :ref:`Vector2<class_Vector2>`\ )
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- :ref:`Vector2<class_Vector2>` **get_target_position**\ (\ )
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寻路目标点，使用全局坐标。
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.. |virtual| replace:: :abbr:`virtual (本方法通常需要用户覆盖才能生效。)`
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.. |required| replace:: :abbr:`required (This method is required to be overridden when extending its base class.)`
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.. |const| replace:: :abbr:`const (本方法无副作用，不会修改该实例的任何成员变量。)`
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.. |vararg| replace:: :abbr:`vararg (本方法除了能接受在此处描述的参数外，还能够继续接受任意数量的参数。)`
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.. |constructor| replace:: :abbr:`constructor (本方法用于构造某个类型。)`
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.. |static| replace:: :abbr:`static (调用本方法无需实例，可直接使用类名进行调用。)`
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.. |operator| replace:: :abbr:`operator (本方法描述的是使用本类型作为左操作数的有效运算符。)`
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.. |bitfield| replace:: :abbr:`BitField (这个值是由下列位标志构成位掩码的整数。)`
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.. |void| replace:: :abbr:`void (无返回值。)`
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