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NavigationServer3Dยถ
Experimental: This class may be changed or removed in future versions.
Inherits: Object
A server interface for low-level 3D navigation access.
Descriptionยถ
NavigationServer3D is the server that handles navigation maps, regions and agents. It does not handle A* navigation from AStar3D.
Maps are divided into regions, which are composed of navigation meshes. Together, they define the navigable areas in the 3D world.
Note: Most NavigationServer3D changes take effect after the next physics frame and not immediately. This includes all changes made to maps, regions or agents by navigation-related nodes in the scene tree or made through scripts.
For two regions to be connected to each other, they must share a similar edge. An edge is considered connected to another if both of its two vertices are at a distance less than edge_connection_margin
to the respective other edge's vertex.
You may assign navigation layers to regions with region_set_navigation_layers, which then can be checked upon when requesting a path with map_get_path. This can be used to allow or deny certain areas for some objects.
To use the collision avoidance system, you may use agents. You can set an agent's target velocity, then the servers will emit a callback with a modified velocity.
Note: The collision avoidance system ignores regions. Using the modified velocity directly may move an agent outside of the traversable area. This is a limitation of the collision avoidance system, any more complex situation may require the use of the physics engine.
This server keeps tracks of any call and executes them during the sync phase. This means that you can request any change to the map, using any thread, without worrying.
Tutorialsยถ
Methodsยถ
Signalsยถ
avoidance_debug_changed() ๐
Emitted when avoidance debug settings are changed. Only available in debug builds.
Emitted when a navigation map is updated, when a region moves or is modified.
navigation_debug_changed() ๐
Emitted when navigation debug settings are changed. Only available in debug builds.
Enumerationsยถ
enum ProcessInfo: ๐
ProcessInfo INFO_ACTIVE_MAPS = 0
Constant to get the number of active navigation maps.
ProcessInfo INFO_REGION_COUNT = 1
Constant to get the number of active navigation regions.
ProcessInfo INFO_AGENT_COUNT = 2
Constant to get the number of active navigation agents processing avoidance.
ProcessInfo INFO_LINK_COUNT = 3
Constant to get the number of active navigation links.
ProcessInfo INFO_POLYGON_COUNT = 4
Constant to get the number of navigation mesh polygons.
ProcessInfo INFO_EDGE_COUNT = 5
Constant to get the number of navigation mesh polygon edges.
ProcessInfo INFO_EDGE_MERGE_COUNT = 6
Constant to get the number of navigation mesh polygon edges that were merged due to edge key overlap.
ProcessInfo INFO_EDGE_CONNECTION_COUNT = 7
Constant to get the number of navigation mesh polygon edges that are considered connected by edge proximity.
ProcessInfo INFO_EDGE_FREE_COUNT = 8
Constant to get the number of navigation mesh polygon edges that could not be merged but may be still connected by edge proximity or with links.
Method Descriptionsยถ
Creates the agent.
bool agent_get_avoidance_enabled(agent: RID) const ๐
Returns true
if the provided agent
has avoidance enabled.
int agent_get_avoidance_layers(agent: RID) const ๐
Returns the avoidance_layers
bitmask of the specified agent
.
int agent_get_avoidance_mask(agent: RID) const ๐
Returns the avoidance_mask
bitmask of the specified agent
.
float agent_get_avoidance_priority(agent: RID) const ๐
Returns the avoidance_priority
of the specified agent
.
float agent_get_height(agent: RID) const ๐
Returns the height
of the specified agent
.
RID agent_get_map(agent: RID) const ๐
Returns the navigation map RID the requested agent
is currently assigned to.
int agent_get_max_neighbors(agent: RID) const ๐
Returns the maximum number of other agents the specified agent
takes into account in the navigation.
float agent_get_max_speed(agent: RID) const ๐
Returns the maximum speed of the specified agent
.
float agent_get_neighbor_distance(agent: RID) const ๐
Returns the maximum distance to other agents the specified agent
takes into account in the navigation.
bool agent_get_paused(agent: RID) const ๐
Returns true
if the specified agent
is paused.
Vector3 agent_get_position(agent: RID) const ๐
Returns the position of the specified agent
in world space.
float agent_get_radius(agent: RID) const ๐
Returns the radius of the specified agent
.
float agent_get_time_horizon_agents(agent: RID) const ๐
Returns the minimal amount of time for which the specified agent
's velocities that are computed by the simulation are safe with respect to other agents.
float agent_get_time_horizon_obstacles(agent: RID) const ๐
Returns the minimal amount of time for which the specified agent
's velocities that are computed by the simulation are safe with respect to static avoidance obstacles.
bool agent_get_use_3d_avoidance(agent: RID) const ๐
Returns true
if the provided agent
uses avoidance in 3D space Vector3(x,y,z) instead of horizontal 2D Vector2(x,y) / Vector3(x,0.0,z).
Vector3 agent_get_velocity(agent: RID) const ๐
Returns the velocity of the specified agent
.
bool agent_has_avoidance_callback(agent: RID) const ๐
Return true
if the specified agent
has an avoidance callback.
bool agent_is_map_changed(agent: RID) const ๐
Returns true if the map got changed the previous frame.
void agent_set_avoidance_callback(agent: RID, callback: Callable) ๐
Sets the callback Callable that gets called after each avoidance processing step for the agent
. The calculated safe_velocity
will be dispatched with a signal to the object just before the physics calculations.
Note: Created callbacks are always processed independently of the SceneTree state as long as the agent is on a navigation map and not freed. To disable the dispatch of a callback from an agent use agent_set_avoidance_callback again with an empty Callable.
void agent_set_avoidance_enabled(agent: RID, enabled: bool) ๐
If enabled
is true
, the provided agent
calculates avoidance.
void agent_set_avoidance_layers(agent: RID, layers: int) ๐
Set the agent's avoidance_layers
bitmask.
void agent_set_avoidance_mask(agent: RID, mask: int) ๐
Set the agent's avoidance_mask
bitmask.
void agent_set_avoidance_priority(agent: RID, priority: float) ๐
Set the agent's avoidance_priority
with a priority
between 0.0 (lowest priority) to 1.0 (highest priority).
The specified agent
does not adjust the velocity for other agents that would match the avoidance_mask
but have a lower avoidance_priority
. This in turn makes the other agents with lower priority adjust their velocities even more to avoid collision with this agent.
void agent_set_height(agent: RID, height: float) ๐
Updates the provided agent
height
.
void agent_set_map(agent: RID, map: RID) ๐
Puts the agent in the map.
void agent_set_max_neighbors(agent: RID, count: int) ๐
Sets the maximum number of other agents the agent takes into account in the navigation. The larger this number, the longer the running time of the simulation. If the number is too low, the simulation will not be safe.
void agent_set_max_speed(agent: RID, max_speed: float) ๐
Sets the maximum speed of the agent. Must be positive.
void agent_set_neighbor_distance(agent: RID, distance: float) ๐
Sets the maximum distance to other agents this agent takes into account in the navigation. The larger this number, the longer the running time of the simulation. If the number is too low, the simulation will not be safe.
void agent_set_paused(agent: RID, paused: bool) ๐
If paused
is true the specified agent
will not be processed, e.g. calculate avoidance velocities or receive avoidance callbacks.
void agent_set_position(agent: RID, position: Vector3) ๐
Sets the position of the agent in world space.
void agent_set_radius(agent: RID, radius: float) ๐
Sets the radius of the agent.
void agent_set_time_horizon_agents(agent: RID, time_horizon: float) ๐
The minimal amount of time for which the agent's velocities that are computed by the simulation are safe with respect to other agents. The larger this number, the sooner this agent will respond to the presence of other agents, but the less freedom this agent has in choosing its velocities. A too high value will slow down agents movement considerably. Must be positive.
void agent_set_time_horizon_obstacles(agent: RID, time_horizon: float) ๐
The minimal amount of time for which the agent's velocities that are computed by the simulation are safe with respect to static avoidance obstacles. The larger this number, the sooner this agent will respond to the presence of static avoidance obstacles, but the less freedom this agent has in choosing its velocities. A too high value will slow down agents movement considerably. Must be positive.
void agent_set_use_3d_avoidance(agent: RID, enabled: bool) ๐
Sets if the agent uses the 2D avoidance or the 3D avoidance while avoidance is enabled.
If true
the agent calculates avoidance velocities in 3D for the xyz-axis, e.g. for games that take place in air, underwater or space. The 3D using agent only avoids other 3D avoidance using agent's. The 3D using agent only reacts to radius based avoidance obstacles. The 3D using agent ignores any vertices based obstacles. The 3D using agent only avoids other 3D using agent's.
If false
the agent calculates avoidance velocities in 2D along the xz-axis ignoring the y-axis. The 2D using agent only avoids other 2D avoidance using agent's. The 2D using agent reacts to radius avoidance obstacles. The 2D using agent reacts to vertices based avoidance obstacles. The 2D using agent only avoids other 2D using agent's. 2D using agents will ignore other 2D using agents or obstacles that are below their current position or above their current position including the agents height in 2D avoidance.
void agent_set_velocity(agent: RID, velocity: Vector3) ๐
Sets velocity
as the new wanted velocity for the specified agent
. The avoidance simulation will try to fulfill this velocity if possible but will modify it to avoid collision with other agent's and obstacles. When an agent is teleported to a new position use agent_set_velocity_forced as well to reset the internal simulation velocity.
void agent_set_velocity_forced(agent: RID, velocity: Vector3) ๐
Replaces the internal velocity in the collision avoidance simulation with velocity
for the specified agent
. When an agent is teleported to a new position this function should be used in the same frame. If called frequently this function can get agents stuck.
void bake_from_source_geometry_data(navigation_mesh: NavigationMesh, source_geometry_data: NavigationMeshSourceGeometryData3D, callback: Callable = Callable()) ๐
Bakes the provided navigation_mesh
with the data from the provided source_geometry_data
. After the process is finished the optional callback
will be called.
void bake_from_source_geometry_data_async(navigation_mesh: NavigationMesh, source_geometry_data: NavigationMeshSourceGeometryData3D, callback: Callable = Callable()) ๐
Bakes the provided navigation_mesh
with the data from the provided source_geometry_data
as an async task running on a background thread. After the process is finished the optional callback
will be called.
Destroys the given RID.
bool get_debug_enabled() const ๐
Returns true
when the NavigationServer has debug enabled.
Array[RID] get_maps() const ๐
Returns all created navigation map RIDs on the NavigationServer. This returns both 2D and 3D created navigation maps as there is technically no distinction between them.
int get_process_info(process_info: ProcessInfo) const ๐
Returns information about the current state of the NavigationServer. See ProcessInfo for a list of available states.
bool is_baking_navigation_mesh(navigation_mesh: NavigationMesh) const ๐
Returns true
when the provided navigation mesh is being baked on a background thread.
Create a new link between two positions on a map.
bool link_get_enabled(link: RID) const ๐
Returns true
if the specified link
is enabled.
Vector3 link_get_end_position(link: RID) const ๐
Returns the ending position of this link
.
float link_get_enter_cost(link: RID) const ๐
Returns the enter cost of this link
.
RID link_get_map(link: RID) const ๐
Returns the navigation map RID the requested link
is currently assigned to.
int link_get_navigation_layers(link: RID) const ๐
Returns the navigation layers for this link
.
int link_get_owner_id(link: RID) const ๐
Returns the ObjectID
of the object which manages this link.
Vector3 link_get_start_position(link: RID) const ๐
Returns the starting position of this link
.
float link_get_travel_cost(link: RID) const ๐
Returns the travel cost of this link
.
bool link_is_bidirectional(link: RID) const ๐
Returns whether this link
can be travelled in both directions.
void link_set_bidirectional(link: RID, bidirectional: bool) ๐
Sets whether this link
can be travelled in both directions.
void link_set_enabled(link: RID, enabled: bool) ๐
If enabled
is true
, the specified link
will contribute to its current navigation map.
void link_set_end_position(link: RID, position: Vector3) ๐
Sets the exit position for the link
.
void link_set_enter_cost(link: RID, enter_cost: float) ๐
Sets the enter_cost
for this link
.
void link_set_map(link: RID, map: RID) ๐
Sets the navigation map RID for the link.
void link_set_navigation_layers(link: RID, navigation_layers: int) ๐
Set the links's navigation layers. This allows selecting links from a path request (when using map_get_path).
void link_set_owner_id(link: RID, owner_id: int) ๐
Set the ObjectID
of the object which manages this link.
void link_set_start_position(link: RID, position: Vector3) ๐
Sets the entry position for this link
.
void link_set_travel_cost(link: RID, travel_cost: float) ๐
Sets the travel_cost
for this link
.
Create a new map.
void map_force_update(map: RID) ๐
This function immediately forces synchronization of the specified navigation map
RID. By default navigation maps are only synchronized at the end of each physics frame. This function can be used to immediately (re)calculate all the navigation meshes and region connections of the navigation map. This makes it possible to query a navigation path for a changed map immediately and in the same frame (multiple times if needed).
Due to technical restrictions the current NavigationServer command queue will be flushed. This means all already queued update commands for this physics frame will be executed, even those intended for other maps, regions and agents not part of the specified map. The expensive computation of the navigation meshes and region connections of a map will only be done for the specified map. Other maps will receive the normal synchronization at the end of the physics frame. Should the specified map receive changes after the forced update it will update again as well when the other maps receive their update.
Avoidance processing and dispatch of the safe_velocity
signals is unaffected by this function and continues to happen for all maps and agents at the end of the physics frame.
Note: With great power comes great responsibility. This function should only be used by users that really know what they are doing and have a good reason for it. Forcing an immediate update of a navigation map requires locking the NavigationServer and flushing the entire NavigationServer command queue. Not only can this severely impact the performance of a game but it can also introduce bugs if used inappropriately without much foresight.
Array[RID] map_get_agents(map: RID) const ๐
Returns all navigation agents RIDs that are currently assigned to the requested navigation map
.
float map_get_cell_height(map: RID) const ๐
Returns the map cell height used to rasterize the navigation mesh vertices on the Y axis.
float map_get_cell_size(map: RID) const ๐
Returns the map cell size used to rasterize the navigation mesh vertices on the XZ plane.
Vector3 map_get_closest_point(map: RID, to_point: Vector3) const ๐
Returns the point closest to the provided to_point
on the navigation mesh surface.
Vector3 map_get_closest_point_normal(map: RID, to_point: Vector3) const ๐
Returns the normal for the point returned by map_get_closest_point.
RID map_get_closest_point_owner(map: RID, to_point: Vector3) const ๐
Returns the owner region RID for the point returned by map_get_closest_point.
Vector3 map_get_closest_point_to_segment(map: RID, start: Vector3, end: Vector3, use_collision: bool = false) const ๐
Returns the closest point between the navigation surface and the segment.
float map_get_edge_connection_margin(map: RID) const ๐
Returns the edge connection margin of the map. This distance is the minimum vertex distance needed to connect two edges from different regions.
int map_get_iteration_id(map: RID) const ๐
Returns the current iteration id of the navigation map. Every time the navigation map changes and synchronizes the iteration id increases. An iteration id of 0 means the navigation map has never synchronized.
Note: The iteration id will wrap back to 1 after reaching its range limit.
float map_get_link_connection_radius(map: RID) const ๐
Returns the link connection radius of the map. This distance is the maximum range any link will search for navigation mesh polygons to connect to.
Array[RID] map_get_links(map: RID) const ๐
Returns all navigation link RIDs that are currently assigned to the requested navigation map
.
float map_get_merge_rasterizer_cell_scale(map: RID) const ๐
Returns map's internal merge rasterizer cell scale.
Array[RID] map_get_obstacles(map: RID) const ๐
Returns all navigation obstacle RIDs that are currently assigned to the requested navigation map
.
PackedVector3Array map_get_path(map: RID, origin: Vector3, destination: Vector3, optimize: bool, navigation_layers: int = 1) const ๐
Returns the navigation path to reach the destination from the origin. navigation_layers
is a bitmask of all region navigation layers that are allowed to be in the path.
Vector3 map_get_random_point(map: RID, navigation_layers: int, uniformly: bool) const ๐
Returns a random position picked from all map region polygons with matching navigation_layers
.
If uniformly
is true
, all map regions, polygons, and faces are weighted by their surface area (slower).
If uniformly
is false
, just a random region and a random polygon are picked (faster).
Array[RID] map_get_regions(map: RID) const ๐
Returns all navigation regions RIDs that are currently assigned to the requested navigation map
.
Vector3 map_get_up(map: RID) const ๐
Returns the map's up direction.
bool map_get_use_edge_connections(map: RID) const ๐
Returns true if the navigation map
allows navigation regions to use edge connections to connect with other navigation regions within proximity of the navigation map edge connection margin.
bool map_is_active(map: RID) const ๐
Returns true if the map is active.
void map_set_active(map: RID, active: bool) ๐
Sets the map active.
void map_set_cell_height(map: RID, cell_height: float) ๐
Sets the map cell height used to rasterize the navigation mesh vertices on the Y axis. Must match with the cell height of the used navigation meshes.
void map_set_cell_size(map: RID, cell_size: float) ๐
Sets the map cell size used to rasterize the navigation mesh vertices on the XZ plane. Must match with the cell size of the used navigation meshes.
void map_set_edge_connection_margin(map: RID, margin: float) ๐
Set the map edge connection margin used to weld the compatible region edges.
void map_set_link_connection_radius(map: RID, radius: float) ๐
Set the map's link connection radius used to connect links to navigation polygons.
void map_set_merge_rasterizer_cell_scale(map: RID, scale: float) ๐
Set the map's internal merge rasterizer cell scale used to control merging sensitivity.
void map_set_up(map: RID, up: Vector3) ๐
Sets the map up direction.
void map_set_use_edge_connections(map: RID, enabled: bool) ๐
Set the navigation map
edge connection use. If enabled
is true
, the navigation map allows navigation regions to use edge connections to connect with other navigation regions within proximity of the navigation map edge connection margin.
Creates a new obstacle.
bool obstacle_get_avoidance_enabled(obstacle: RID) const ๐
Returns true
if the provided obstacle
has avoidance enabled.
int obstacle_get_avoidance_layers(obstacle: RID) const ๐
Returns the avoidance_layers
bitmask of the specified obstacle
.
float obstacle_get_height(obstacle: RID) const ๐
Returns the height
of the specified obstacle
.
RID obstacle_get_map(obstacle: RID) const ๐
Returns the navigation map RID the requested obstacle
is currently assigned to.
bool obstacle_get_paused(obstacle: RID) const ๐
Returns true
if the specified obstacle
is paused.
Vector3 obstacle_get_position(obstacle: RID) const ๐
Returns the position of the specified obstacle
in world space.
float obstacle_get_radius(obstacle: RID) const ๐
Returns the radius of the specified dynamic obstacle
.
bool obstacle_get_use_3d_avoidance(obstacle: RID) const ๐
Returns true
if the provided obstacle
uses avoidance in 3D space Vector3(x,y,z) instead of horizontal 2D Vector2(x,y) / Vector3(x,0.0,z).
Vector3 obstacle_get_velocity(obstacle: RID) const ๐
Returns the velocity of the specified dynamic obstacle
.
PackedVector3Array obstacle_get_vertices(obstacle: RID) const ๐
Returns the outline vertices for the specified obstacle
.
void obstacle_set_avoidance_enabled(obstacle: RID, enabled: bool) ๐
If enabled
is true
, the provided obstacle
affects avoidance using agents.
void obstacle_set_avoidance_layers(obstacle: RID, layers: int) ๐
Set the obstacles's avoidance_layers
bitmask.
void obstacle_set_height(obstacle: RID, height: float) ๐
Sets the height
for the obstacle
. In 3D agents will ignore obstacles that are above or below them while using 2D avoidance.
void obstacle_set_map(obstacle: RID, map: RID) ๐
Assigns the obstacle
to a navigation map.
void obstacle_set_paused(obstacle: RID, paused: bool) ๐
If paused
is true the specified obstacle
will not be processed, e.g. affect avoidance velocities.
void obstacle_set_position(obstacle: RID, position: Vector3) ๐
Updates the position
in world space for the obstacle
.
void obstacle_set_radius(obstacle: RID, radius: float) ๐
Sets the radius of the dynamic obstacle.
void obstacle_set_use_3d_avoidance(obstacle: RID, enabled: bool) ๐
Sets if the obstacle
uses the 2D avoidance or the 3D avoidance while avoidance is enabled.
void obstacle_set_velocity(obstacle: RID, velocity: Vector3) ๐
Sets velocity
of the dynamic obstacle
. Allows other agents to better predict the movement of the dynamic obstacle. Only works in combination with the radius of the obstacle.
void obstacle_set_vertices(obstacle: RID, vertices: PackedVector3Array) ๐
Sets the outline vertices for the obstacle. If the vertices are winded in clockwise order agents will be pushed in by the obstacle, else they will be pushed out.
void parse_source_geometry_data(navigation_mesh: NavigationMesh, source_geometry_data: NavigationMeshSourceGeometryData3D, root_node: Node, callback: Callable = Callable()) ๐
Parses the SceneTree for source geometry according to the properties of navigation_mesh
. Updates the provided source_geometry_data
resource with the resulting data. The resource can then be used to bake a navigation mesh with bake_from_source_geometry_data. After the process is finished the optional callback
will be called.
Note: This function needs to run on the main thread or with a deferred call as the SceneTree is not thread-safe.
Performance: While convenient, reading data arrays from Mesh resources can affect the frame rate negatively. The data needs to be received from the GPU, stalling the RenderingServer in the process. For performance prefer the use of e.g. collision shapes or creating the data arrays entirely in code.
void query_path(parameters: NavigationPathQueryParameters3D, result: NavigationPathQueryResult3D) const ๐
Queries a path in a given navigation map. Start and target position and other parameters are defined through NavigationPathQueryParameters3D. Updates the provided NavigationPathQueryResult3D result object with the path among other results requested by the query.
void region_bake_navigation_mesh(navigation_mesh: NavigationMesh, root_node: Node) ๐
Deprecated: This method is deprecated due to core threading changes. To upgrade existing code, first create a NavigationMeshSourceGeometryData3D resource. Use this resource with parse_source_geometry_data to parse the SceneTree for nodes that should contribute to the navigation mesh baking. The SceneTree parsing needs to happen on the main thread. After the parsing is finished use the resource with bake_from_source_geometry_data to bake a navigation mesh.
Bakes the navigation_mesh
with bake source geometry collected starting from the root_node
.
Creates a new region.
Vector3 region_get_connection_pathway_end(region: RID, connection: int) const ๐
Returns the ending point of a connection door. connection
is an index between 0 and the return value of region_get_connections_count.
Vector3 region_get_connection_pathway_start(region: RID, connection: int) const ๐
Returns the starting point of a connection door. connection
is an index between 0 and the return value of region_get_connections_count.
int region_get_connections_count(region: RID) const ๐
Returns how many connections this region
has with other regions in the map.
bool region_get_enabled(region: RID) const ๐
Returns true
if the specified region
is enabled.
float region_get_enter_cost(region: RID) const ๐
Returns the enter cost of this region
.
RID region_get_map(region: RID) const ๐
Returns the navigation map RID the requested region
is currently assigned to.
int region_get_navigation_layers(region: RID) const ๐
Returns the region's navigation layers.
int region_get_owner_id(region: RID) const ๐
Returns the ObjectID
of the object which manages this region.
Vector3 region_get_random_point(region: RID, navigation_layers: int, uniformly: bool) const ๐
Returns a random position picked from all region polygons with matching navigation_layers
.
If uniformly
is true
, all region polygons and faces are weighted by their surface area (slower).
If uniformly
is false
, just a random polygon and face is picked (faster).
Transform3D region_get_transform(region: RID) const ๐
Returns the global transformation of this region
.
float region_get_travel_cost(region: RID) const ๐
Returns the travel cost of this region
.
bool region_get_use_edge_connections(region: RID) const ๐
Returns true if the navigation region
is set to use edge connections to connect with other navigation regions within proximity of the navigation map edge connection margin.
bool region_owns_point(region: RID, point: Vector3) const ๐
Returns true
if the provided point
in world space is currently owned by the provided navigation region
. Owned in this context means that one of the region's navigation mesh polygon faces has a possible position at the closest distance to this point compared to all other navigation meshes from other navigation regions that are also registered on the navigation map of the provided region.
If multiple navigation meshes have positions at equal distance the navigation region whose polygons are processed first wins the ownership. Polygons are processed in the same order that navigation regions were registered on the NavigationServer.
Note: If navigation meshes from different navigation regions overlap (which should be avoided in general) the result might not be what is expected.
void region_set_enabled(region: RID, enabled: bool) ๐
If enabled
is true
, the specified region
will contribute to its current navigation map.
void region_set_enter_cost(region: RID, enter_cost: float) ๐
Sets the enter_cost
for this region
.
void region_set_map(region: RID, map: RID) ๐
Sets the map for the region.
void region_set_navigation_layers(region: RID, navigation_layers: int) ๐
Set the region's navigation layers. This allows selecting regions from a path request (when using map_get_path).
void region_set_navigation_mesh(region: RID, navigation_mesh: NavigationMesh) ๐
Sets the navigation mesh for the region.
void region_set_owner_id(region: RID, owner_id: int) ๐
Set the ObjectID
of the object which manages this region.
void region_set_transform(region: RID, transform: Transform3D) ๐
Sets the global transformation for the region.
void region_set_travel_cost(region: RID, travel_cost: float) ๐
Sets the travel_cost
for this region
.
void region_set_use_edge_connections(region: RID, enabled: bool) ๐
If enabled
is true
, the navigation region
will use edge connections to connect with other navigation regions within proximity of the navigation map edge connection margin.
void set_active(active: bool) ๐
Control activation of this server.
void set_debug_enabled(enabled: bool) ๐
If true
enables debug mode on the NavigationServer.
PackedVector3Array simplify_path(path: PackedVector3Array, epsilon: float) ๐
Returns a simplified version of path
with less critical path points removed. The simplification amount is in worlds units and controlled by epsilon
. The simplification uses a variant of Ramer-Douglas-Peucker algorithm for curve point decimation.
Path simplification can be helpful to mitigate various path following issues that can arise with certain agent types and script behaviors. E.g. "steering" agents or avoidance in "open fields".
RID source_geometry_parser_create() ๐
Creates a new source geometry parser. If a Callable is set for the parser with source_geometry_parser_set_callback the callback will be called for every single node that gets parsed whenever parse_source_geometry_data is used.
void source_geometry_parser_set_callback(parser: RID, callback: Callable) ๐
Sets the callback
Callable for the specific source geometry parser
. The Callable will receive a call with the following parameters:
navigation_mesh
- The NavigationMesh reference used to define the parse settings. Do NOT edit or add directly to the navigation mesh.source_geometry_data
- The NavigationMeshSourceGeometryData3D reference. Add custom source geometry for navigation mesh baking to this object.node
- The Node that is parsed.