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Add C# code to "Using NavigationServer"

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(cherry picked from commit 3a23253734)
This commit is contained in:
Raul Santos
2024-05-21 05:10:29 +02:00
committed by Max Hilbrunner
parent 9f87260dd0
commit e2b5631b1c
1 changed files with 63 additions and 10 deletions
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73
tutorials/navigation/navigation_using_navigationservers.rst
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@@ -95,38 +95,38 @@ Afterwards the function waits for the next physics frame before continuing with
extends Node3D
func _ready():
# use call deferred to make sure the entire scene tree nodes are setup
# else await / yield on 'physics_frame' in a _ready() might get stuck
# Use call deferred to make sure the entire scene tree nodes are setup
# else await on 'physics_frame' in a _ready() might get stuck.
call_deferred("custom_setup")
func custom_setup():
# create a new navigation map
# Create a new navigation map.
var map: RID = NavigationServer3D.map_create()
NavigationServer3D.map_set_up(map, Vector3.UP)
NavigationServer3D.map_set_active(map, true)
# create a new navigation region and add it to the map
# Create a new navigation region and add it to the map.
var region: RID = NavigationServer3D.region_create()
NavigationServer3D.region_set_transform(region, Transform3D())
NavigationServer3D.region_set_map(region, map)
# create a procedural navigation mesh for the region
# Create a procedural navigation mesh for the region.
var new_navigation_mesh: NavigationMesh = NavigationMesh.new()
var vertices: PackedVector3Array = PackedVector3Array([
Vector3(0,0,0),
Vector3(9.0,0,0),
Vector3(0,0,9.0)
Vector3(0, 0, 0),
Vector3(9.0, 0, 0),
Vector3(0, 0, 9.0)
])
new_navigation_mesh.set_vertices(vertices)
var polygon: PackedInt32Array = PackedInt32Array([0, 1, 2])
new_navigation_mesh.add_polygon(polygon)
NavigationServer3D.region_set_navigation_mesh(region, new_navigation_mesh)
# wait for NavigationServer sync to adapt to made changes
# Wait for NavigationServer sync to adapt to made changes.
await get_tree().physics_frame
# query the path from the navigationserver
# Query the path from the navigation server.
var start_position: Vector3 = Vector3(0.1, 0.0, 0.1)
var target_position: Vector3 = Vector3(1.0, 0.0, 1.0)
var optimize_path: bool = true
@@ -141,6 +141,59 @@ Afterwards the function waits for the next physics frame before continuing with
print("Found a path!")
print(path)
.. code-tab:: csharp C#
using Godot;
public partial class MyNode3D : Node3D
{
public override void _Ready()
{
// Use call deferred to make sure the entire scene tree nodes are setup
// else await on 'physics_frame' in a _Ready() might get stuck.
CallDeferred(MethodName.CustomSetup);
}
private async void CustomSetup()
{
// Create a new navigation map.
Rid map = NavigationServer3D.MapCreate();
NavigationServer3D.MapSetUp(map, Vector3.Up);
NavigationServer3D.MapSetActive(map, true);
// Create a new navigation region and add it to the map.
Rid region = NavigationServer3D.RegionCreate();
NavigationServer3D.RegionSetTransform(region, Transform3D.Identity);
NavigationServer3D.RegionSetMap(region, map);
// Create a procedural navigation mesh for the region.
var newNavigationMesh = new NavigationMesh()
{
Vertices = new[]
{
new Vector3(0.0f, 0.0f, 0.0f),
new Vector3(9.0f, 0.0f, 0.0f),
new Vector3(0.0f, 0.0f, 9.0f),
},
};
int[] polygon = new[] { 0, 1, 2 };
newNavigationMesh.AddPolygon(polygon);
NavigationServer3D.RegionSetNavigationMesh(region, newNavigationMesh);
// Wait for NavigationServer sync to adapt to made changes.
await ToSignal(GetTree(), SceneTree.SignalName.PhysicsFrame);
// Query the path from the navigation server.
var startPosition = new Vector3(0.1f, 0.0f, 0.1f);
var targetPosition = new Vector3(1.0f, 0.0f, 1.0f);
Vector3[] path = NavigationServer3D.MapGetPath(map, startPosition, targetPosition, optimize: true);
GD.Print("Found a path!");
GD.Print((Variant)path);
}
}
Server Avoidance Callbacks
~~~~~~~~~~~~~~~~~~~~~~~~~~