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Tweak NavigationAgent2D defaults

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Tweaks default values for NavigationAgent2D to work better out of the box within a new 2D project using default resolution.
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smix8 2023-01-11 23:27:40 +01:00
parent f73cb4c13d
commit 594ffd2200
3 changed files with 23 additions and 23 deletions
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10
doc/classes/NavigationAgent2D.xml
View file

@ -114,7 +114,7 @@
<member name="max_neighbors" type="int" setter="set_max_neighbors" getter="get_max_neighbors" default="10">
The maximum number of neighbors for the agent to consider.
</member>
<member name="max_speed" type="float" setter="set_max_speed" getter="get_max_speed" default="200.0">
<member name="max_speed" type="float" setter="set_max_speed" getter="get_max_speed" default="100.0">
The maximum speed that an agent can move.
</member>
<member name="navigation_layers" type="int" setter="set_navigation_layers" getter="get_navigation_layers" default="1">
@ -123,10 +123,10 @@
<member name="neighbor_distance" type="float" setter="set_neighbor_distance" getter="get_neighbor_distance" default="500.0">
The distance to search for other agents.
</member>
<member name="path_desired_distance" type="float" setter="set_path_desired_distance" getter="get_path_desired_distance" default="1.0">
<member name="path_desired_distance" type="float" setter="set_path_desired_distance" getter="get_path_desired_distance" default="20.0">
The distance threshold before a path point is considered to be reached. This will allow an agent to not have to hit a path point on the path exactly, but in the area. If this value is set to high the NavigationAgent will skip points on the path which can lead to leaving the navigation mesh. If this value is set to low the NavigationAgent will be stuck in a repath loop cause it will constantly overshoot or undershoot the distance to the next point on each physics frame update.
</member>
<member name="path_max_distance" type="float" setter="set_path_max_distance" getter="get_path_max_distance" default="3.0">
<member name="path_max_distance" type="float" setter="set_path_max_distance" getter="get_path_max_distance" default="100.0">
The maximum distance the agent is allowed away from the ideal path to the final location. This can happen due to trying to avoid collisions. When the maximum distance is exceeded, it recalculates the ideal path.
</member>
<member name="path_metadata_flags" type="int" setter="set_path_metadata_flags" getter="get_path_metadata_flags" enum="NavigationPathQueryParameters2D.PathMetadataFlags" default="7">
@ -136,13 +136,13 @@
The radius of the avoidance agent. This is the "body" of the avoidance agent and not the avoidance maneuver starting radius (which is controlled by [member neighbor_distance]).
Does not affect normal pathfinding. To change an actor's pathfinding radius bake [NavigationMesh] resources with a different [member NavigationMesh.agent_radius] property and use different navigation maps for each actor size.
</member>
<member name="target_desired_distance" type="float" setter="set_target_desired_distance" getter="get_target_desired_distance" default="1.0">
<member name="target_desired_distance" type="float" setter="set_target_desired_distance" getter="get_target_desired_distance" default="10.0">
The distance threshold before the final target point is considered to be reached. This will allow an agent to not have to hit the point of the final target exactly, but only the area. If this value is set to low the NavigationAgent will be stuck in a repath loop cause it will constantly overshoot or undershoot the distance to the final target point on each physics frame update.
</member>
<member name="target_location" type="Vector2" setter="set_target_location" getter="get_target_location" default="Vector2(0, 0)">
The user-defined target location. Setting this property will clear the current navigation path.
</member>
<member name="time_horizon" type="float" setter="set_time_horizon" getter="get_time_horizon" default="20.0">
<member name="time_horizon" type="float" setter="set_time_horizon" getter="get_time_horizon" default="1.0">
The minimal amount of time for which this agent's velocities, that are computed with the collision avoidance algorithm, are safe with respect to other agents. The larger the number, the sooner the agent will respond to other agents, but less freedom in choosing its velocities. Must be positive.
</member>
</members>

20
scene/2d/navigation_agent_2d.cpp
View file

@ -94,9 +94,9 @@ void NavigationAgent2D::_bind_methods() {
ADD_GROUP("Pathfinding", "");
ADD_PROPERTY(PropertyInfo(Variant::VECTOR2, "target_location", PROPERTY_HINT_NONE, "", PROPERTY_USAGE_NO_EDITOR), "set_target_location", "get_target_location");
ADD_PROPERTY(PropertyInfo(Variant::FLOAT, "path_desired_distance", PROPERTY_HINT_RANGE, "0.1,100,0.01,suffix:px"), "set_path_desired_distance", "get_path_desired_distance");
ADD_PROPERTY(PropertyInfo(Variant::FLOAT, "target_desired_distance", PROPERTY_HINT_RANGE, "0.1,100,0.01,suffix:px"), "set_target_desired_distance", "get_target_desired_distance");
ADD_PROPERTY(PropertyInfo(Variant::FLOAT, "path_max_distance", PROPERTY_HINT_RANGE, "10,100,1,suffix:px"), "set_path_max_distance", "get_path_max_distance");
ADD_PROPERTY(PropertyInfo(Variant::FLOAT, "path_desired_distance", PROPERTY_HINT_RANGE, "0.1,1000,0.01,suffix:px"), "set_path_desired_distance", "get_path_desired_distance");
ADD_PROPERTY(PropertyInfo(Variant::FLOAT, "target_desired_distance", PROPERTY_HINT_RANGE, "0.1,1000,0.01,suffix:px"), "set_target_desired_distance", "get_target_desired_distance");
ADD_PROPERTY(PropertyInfo(Variant::FLOAT, "path_max_distance", PROPERTY_HINT_RANGE, "10,1000,1,suffix:px"), "set_path_max_distance", "get_path_max_distance");
ADD_PROPERTY(PropertyInfo(Variant::INT, "navigation_layers", PROPERTY_HINT_LAYERS_2D_NAVIGATION), "set_navigation_layers", "get_navigation_layers");
ADD_PROPERTY(PropertyInfo(Variant::INT, "path_metadata_flags", PROPERTY_HINT_FLAGS, "Include Types,Include RIDs,Include Owners"), "set_path_metadata_flags", "get_path_metadata_flags");
@ -105,8 +105,8 @@ void NavigationAgent2D::_bind_methods() {
ADD_PROPERTY(PropertyInfo(Variant::FLOAT, "radius", PROPERTY_HINT_RANGE, "0.1,500,0.01,suffix:px"), "set_radius", "get_radius");
ADD_PROPERTY(PropertyInfo(Variant::FLOAT, "neighbor_distance", PROPERTY_HINT_RANGE, "0.1,100000,0.01,suffix:px"), "set_neighbor_distance", "get_neighbor_distance");
ADD_PROPERTY(PropertyInfo(Variant::INT, "max_neighbors", PROPERTY_HINT_RANGE, "1,10000,1"), "set_max_neighbors", "get_max_neighbors");
ADD_PROPERTY(PropertyInfo(Variant::FLOAT, "time_horizon", PROPERTY_HINT_RANGE, "0.1,10000,0.01,suffix:s"), "set_time_horizon", "get_time_horizon");
ADD_PROPERTY(PropertyInfo(Variant::FLOAT, "max_speed", PROPERTY_HINT_RANGE, "0.1,100000,0.01,suffix:px/s"), "set_max_speed", "get_max_speed");
ADD_PROPERTY(PropertyInfo(Variant::FLOAT, "time_horizon", PROPERTY_HINT_RANGE, "0.1,10,0.01,suffix:s"), "set_time_horizon", "get_time_horizon");
ADD_PROPERTY(PropertyInfo(Variant::FLOAT, "max_speed", PROPERTY_HINT_RANGE, "0.1,10000,0.01,suffix:px/s"), "set_max_speed", "get_max_speed");
ADD_SIGNAL(MethodInfo("path_changed"));
ADD_SIGNAL(MethodInfo("target_reached"));
@ -182,11 +182,11 @@ void NavigationAgent2D::_notification(int p_what) {
NavigationAgent2D::NavigationAgent2D() {
agent = NavigationServer2D::get_singleton()->agent_create();
set_neighbor_distance(500.0);
set_max_neighbors(10);
set_time_horizon(20.0);
set_radius(10.0);
set_max_speed(200.0);
set_neighbor_distance(neighbor_distance);
set_max_neighbors(max_neighbors);
set_time_horizon(time_horizon);
set_radius(radius);
set_max_speed(max_speed);
// Preallocate query and result objects to improve performance.
navigation_query = Ref<NavigationPathQueryParameters2D>();

16
scene/2d/navigation_agent_2d.h
View file

@ -50,15 +50,15 @@ class NavigationAgent2D : public Node {
uint32_t navigation_layers = 1;
BitField<NavigationPathQueryParameters2D::PathMetadataFlags> path_metadata_flags = NavigationPathQueryParameters2D::PathMetadataFlags::PATH_METADATA_INCLUDE_ALL;
real_t path_desired_distance = 1.0;
real_t target_desired_distance = 1.0;
real_t radius = 0.0;
real_t neighbor_distance = 0.0;
int max_neighbors = 0;
real_t time_horizon = 0.0;
real_t max_speed = 0.0;
real_t path_desired_distance = 20.0;
real_t target_desired_distance = 10.0;
real_t radius = 10.0;
real_t neighbor_distance = 500.0;
int max_neighbors = 10;
real_t time_horizon = 1.0;
real_t max_speed = 100.0;
real_t path_max_distance = 3.0;
real_t path_max_distance = 100.0;
Vector2 target_location;
bool target_position_submitted = false;