godot/doc/classes/NavigationLink2D.xml
Josh Jones 32371906eb Mark navigation classes and nodes as experimental
The navigation team has some large changes planned for navigation in the 4.x timeframe, so marking these nodes as experimental to give users a heads up that the API may change in breaking ways.
2022-12-17 11:12:00 -08:00

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XML

<?xml version="1.0" encoding="UTF-8" ?>
<class name="NavigationLink2D" inherits="Node2D" is_experimental="true" version="4.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="../class.xsd">
<brief_description>
Creates a link between two locations that [NavigationServer2D] can route agents through.
</brief_description>
<description>
Creates a link between two locations that [NavigationServer2D] can route agents through. Links can be used to express navigation methods that aren't just traveling along the surface of the navigation mesh, like zip-lines, teleporters, or jumping across gaps.
</description>
<tutorials>
</tutorials>
<methods>
<method name="get_navigation_layer_value" qualifiers="const">
<return type="bool" />
<param index="0" name="layer_number" type="int" />
<description>
Returns whether or not the specified layer of the [member navigation_layers] bitmask is enabled, given a [code]layer_number[/code] between 1 and 32.
</description>
</method>
<method name="set_navigation_layer_value">
<return type="void" />
<param index="0" name="layer_number" type="int" />
<param index="1" name="value" type="bool" />
<description>
Based on [code]value[/code], enables or disables the specified layer in the [member navigation_layers] bitmask, given a [code]layer_number[/code] between 1 and 32.
</description>
</method>
</methods>
<members>
<member name="bidirectional" type="bool" setter="set_bidirectional" getter="is_bidirectional" default="true">
Whether this link can be traveled in both directions or only from [member start_location] to [member end_location].
</member>
<member name="enabled" type="bool" setter="set_enabled" getter="is_enabled" default="true">
Whether this link is currently active. If [code]false[/code], [method NavigationServer2D.map_get_path] will ignore this link.
</member>
<member name="end_location" type="Vector2" setter="set_end_location" getter="get_end_location" default="Vector2(0, 0)">
Ending position of the link.
This position will search out the nearest polygon in the navigation mesh to attach to.
The distance the link will search is controlled by [method NavigationServer2D.map_set_link_connection_radius].
</member>
<member name="enter_cost" type="float" setter="set_enter_cost" getter="get_enter_cost" default="0.0">
When pathfinding enters this link from another regions navmesh the [code]enter_cost[/code] value is added to the path distance for determining the shortest path.
</member>
<member name="navigation_layers" type="int" setter="set_navigation_layers" getter="get_navigation_layers" default="1">
A bitfield determining all navigation layers the link belongs to. These navigation layers will be checked when requesting a path with [method NavigationServer2D.map_get_path].
</member>
<member name="start_location" type="Vector2" setter="set_start_location" getter="get_start_location" default="Vector2(0, 0)">
Starting position of the link.
This position will search out the nearest polygon in the navigation mesh to attach to.
The distance the link will search is controlled by [method NavigationServer2D.map_set_link_connection_radius].
</member>
<member name="travel_cost" type="float" setter="set_travel_cost" getter="get_travel_cost" default="1.0">
When pathfinding moves along the link the traveled distance is multiplied with [code]travel_cost[/code] for determining the shortest path.
</member>
</members>
</class>