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Update NavigationChunk demos (#1221)

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Updates NavigationChunk demos for `NavigationMeshSourceGeometryData2D.get_bounds()`
function and new NavigationAgent no post-processing option.
This commit is contained in:
smix8
2025-06-25 19:21:12 +02:00
committed by GitHub
parent 1280ef63e7
commit 9acb5528b6
4 changed files with 55 additions and 70 deletions
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41
2d/navigation_mesh_chunks/navmesh_chhunks_demo_2d.gd
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@@ -45,7 +45,7 @@ func _ready() -> void:
static func create_region_chunks(chunks_root_node: Node, p_source_geometry: NavigationMeshSourceGeometryData2D, p_chunk_size: float, p_agent_radius: float) -> void:
# We need to know how many chunks are required for the input geometry.
# So first get an axis aligned bounding box that covers all vertices.
var input_geometry_bounds: Rect2 = calculate_source_geometry_bounds(p_source_geometry)
var input_geometry_bounds: Rect2 = p_source_geometry.get_bounds()
# Rasterize bounding box into chunk grid to know range of required chunks.
var start_chunk: Vector2 = floor(
@@ -94,43 +94,6 @@ static func create_region_chunks(chunks_root_node: Node, p_source_geometry: Navi
chunk_id_to_region[chunk_id] = chunk_region
static func calculate_source_geometry_bounds(p_source_geometry: NavigationMeshSourceGeometryData2D) -> Rect2:
if p_source_geometry.has_method("get_bounds"):
# Godot 4.3 Patch added get_bounds() function that does the same but faster.
return p_source_geometry.call("get_bounds")
var bounds: Rect2 = Rect2()
var first_vertex: bool = true
for traversable_outline: PackedVector2Array in p_source_geometry.get_traversable_outlines():
for traversable_point: Vector2 in traversable_outline:
if first_vertex:
first_vertex = false
bounds.position = traversable_point
else:
bounds = bounds.expand(traversable_point)
for obstruction_outline: PackedVector2Array in p_source_geometry.get_obstruction_outlines():
for obstruction_point: Vector2 in obstruction_outline:
if first_vertex:
first_vertex = false
bounds.position = obstruction_point
else:
bounds = bounds.expand(obstruction_point)
for projected_obstruction: Dictionary in p_source_geometry.get_projected_obstructions():
var projected_obstruction_vertices: PackedFloat32Array = projected_obstruction["vertices"]
for i in projected_obstruction_vertices.size() / 2:
var vertex: Vector2 = Vector2(projected_obstruction_vertices[i * 2], projected_obstruction_vertices[i * 2 + 1])
if first_vertex:
first_vertex = false
bounds.position = vertex
else:
bounds = bounds.expand(vertex)
return bounds
func _process(_delta: float) -> void:
var mouse_cursor_position: Vector2 = get_global_mouse_position()
@@ -151,6 +114,8 @@ func _process(_delta: float) -> void:
%PathDebugCorridorFunnel.target_position = closest_point_on_navmesh
%PathDebugEdgeCentered.target_position = closest_point_on_navmesh
%PathDebugNoPostProcessing.target_position = closest_point_on_navmesh
%PathDebugCorridorFunnel.get_next_path_position()
%PathDebugEdgeCentered.get_next_path_position()
%PathDebugNoPostProcessing.get_next_path_position()

25
2d/navigation_mesh_chunks/navmesh_chhunks_demo_2d.tscn
View File

@@ -43,6 +43,15 @@ debug_path_custom_color = Color(1, 1, 0, 1)
debug_path_custom_point_size = 10.0
debug_path_custom_line_width = 4.0
[node name="PathDebugNoPostProcessing" type="NavigationAgent2D" parent="DebugPaths"]
unique_name_in_owner = true
path_postprocessing = 2
debug_enabled = true
debug_use_custom = true
debug_path_custom_color = Color(1, 0, 0, 1)
debug_path_custom_point_size = 10.0
debug_path_custom_line_width = 4.0
[node name="ChunksContainer" type="Node2D" parent="."]
unique_name_in_owner = true
@@ -97,3 +106,19 @@ layout_mode = 2
text = "Path edge-centered"
horizontal_alignment = 1
vertical_alignment = 1
[node name="HBoxContainer3" type="HBoxContainer" parent="CanvasLayer/PanelContainer/MarginContainer/VBoxContainer"]
layout_mode = 2
theme_override_constants/separation = 10
[node name="ColorRect" type="ColorRect" parent="CanvasLayer/PanelContainer/MarginContainer/VBoxContainer/HBoxContainer3"]
custom_minimum_size = Vector2(128, 8)
layout_mode = 2
size_flags_vertical = 4
color = Color(1, 0, 0, 1)
[node name="Label" type="Label" parent="CanvasLayer/PanelContainer/MarginContainer/VBoxContainer/HBoxContainer3"]
layout_mode = 2
text = "Path no post-processing"
horizontal_alignment = 1
vertical_alignment = 1

35
3d/navigation_mesh_chunks/navmesh_chhunks_demo_3d.gd
View File

@@ -36,7 +36,7 @@ func _ready() -> void:
static func create_region_chunks(chunks_root_node: Node, p_source_geometry: NavigationMeshSourceGeometryData3D, p_chunk_size: float, p_agent_radius: float) -> void:
# We need to know how many chunks are required for the input geometry.
# So first get an axis aligned bounding box that covers all vertices.
var input_geometry_bounds: AABB = calculate_source_geometry_bounds(p_source_geometry)
var input_geometry_bounds: AABB = p_source_geometry.get_bounds()
# Rasterize bounding box into chunk grid to know range of required chunks.
var start_chunk: Vector3 = floor(
@@ -96,37 +96,6 @@ static func create_region_chunks(chunks_root_node: Node, p_source_geometry: Navi
chunk_id_to_region[chunk_id] = chunk_region
static func calculate_source_geometry_bounds(p_source_geometry: NavigationMeshSourceGeometryData3D) -> AABB:
if p_source_geometry.has_method("get_bounds"):
# Godot 4.3 Patch added get_bounds() function that does the same but faster.
return p_source_geometry.call("get_bounds")
var bounds: AABB = AABB()
var first_vertex: bool = true
var vertices: PackedFloat32Array = p_source_geometry.get_vertices()
var vertices_count: int = vertices.size() / 3
for i in vertices_count:
var vertex: Vector3 = Vector3(vertices[i * 3], vertices[i * 3 + 1], vertices[i * 3 + 2])
if first_vertex:
first_vertex = false
bounds.position = vertex
else:
bounds = bounds.expand(vertex)
for projected_obstruction: Dictionary in p_source_geometry.get_projected_obstructions():
var projected_obstruction_vertices: PackedFloat32Array = projected_obstruction["vertices"]
for i in projected_obstruction_vertices.size() / 3:
var vertex: Vector3 = Vector3(projected_obstruction.vertices[i * 3], projected_obstruction.vertices[i * 3 + 1], projected_obstruction.vertices[i * 3 + 2]);
if first_vertex:
first_vertex = false
bounds.position = vertex
else:
bounds = bounds.expand(vertex)
return bounds
func _process(_delta: float) -> void:
var mouse_cursor_position: Vector2 = get_viewport().get_mouse_position()
@@ -152,6 +121,8 @@ func _process(_delta: float) -> void:
%PathDebugCorridorFunnel.target_position = closest_point_on_navmesh
%PathDebugEdgeCentered.target_position = closest_point_on_navmesh
%PathDebugNoPostProcessing.target_position = closest_point_on_navmesh
%PathDebugCorridorFunnel.get_next_path_position()
%PathDebugEdgeCentered.get_next_path_position()
%PathDebugNoPostProcessing.get_next_path_position()

24
3d/navigation_mesh_chunks/navmesh_chhunks_demo_3d.tscn
View File

@@ -93,6 +93,14 @@ debug_use_custom = true
debug_path_custom_color = Color(1, 1, 0, 1)
debug_path_custom_point_size = 10.0
[node name="PathDebugNoPostProcessing" type="NavigationAgent3D" parent="DebugPaths"]
unique_name_in_owner = true
path_postprocessing = 2
debug_enabled = true
debug_use_custom = true
debug_path_custom_color = Color(1, 0, 0, 1)
debug_path_custom_point_size = 10.0
[node name="DebugMousePos" type="Node3D" parent="DebugPaths"]
unique_name_in_owner = true
@@ -150,3 +158,19 @@ layout_mode = 2
text = "Path edge-centered"
horizontal_alignment = 1
vertical_alignment = 1
[node name="HBoxContainer3" type="HBoxContainer" parent="CanvasLayer/PanelContainer/MarginContainer/VBoxContainer"]
layout_mode = 2
theme_override_constants/separation = 10
[node name="ColorRect" type="ColorRect" parent="CanvasLayer/PanelContainer/MarginContainer/VBoxContainer/HBoxContainer3"]
custom_minimum_size = Vector2(128, 8)
layout_mode = 2
size_flags_vertical = 4
color = Color(1, 0, 0, 1)
[node name="Label" type="Label" parent="CanvasLayer/PanelContainer/MarginContainer/VBoxContainer/HBoxContainer3"]
layout_mode = 2
text = "Path no post-processing"
horizontal_alignment = 1
vertical_alignment = 1