Added experimental version of unit movement.

grid_map_test.gd

@@ -1,30 +1 @@
 extends GridMap
-
-var timer: float = 0
-
-func _process(delta: float) -> void:
-	timer += delta
-	if timer > 1:
-		timer = 0
-		test_path()
-		
-	if NavigationServer3D.get_maps().is_empty():
-		return
-	
-		
-func test_path() -> void:
-	if NavigationServer3D.get_maps().is_empty():
-		return
-		
-	var map_rid: RID = NavigationServer3D.get_maps()[0]
-	
-	for region_rid in NavigationServer3D.map_get_regions(map_rid):
-		NavigationServer3D.region_set_travel_cost(region_rid, randf_range(0, 10))
-		
-	var a: Vector3 = Vector3(1, 1, 1)
-	var b: Vector3 = Vector3(20,1,20)
-	var path: PackedVector3Array = NavigationServer3D.map_get_path(map_rid, a, b, true, 1)
-
-	DebugDraw3D.draw_sphere(a, 0.5, Color.GREEN, 1)
-	DebugDraw3D.draw_sphere(b, 0.5, Color.RED, 1)
-	DebugDraw3D.draw_line_path(path, Color.YELLOW, 1)

objects/unit.tscn

@@ -0,0 +1,48 @@
+[gd_scene load_steps=7 format=3 uid="uid://1gcj3gixy6hs"]
+
+[ext_resource type="Script" uid="uid://f0j7u0so2ug5" path="res://scripts/unit.gd" id="1_dberb"]
+[ext_resource type="Texture2D" uid="uid://3javrn230ddq" path="res://assets/images/enemy.png" id="2_2pk7s"]
+
+[sub_resource type="PhysicsMaterial" id="PhysicsMaterial_a0tk4"]
+friction = 0.25
+bounce = 0.2
+
+[sub_resource type="SphereShape3D" id="SphereShape3D_a202f"]
+
+[sub_resource type="StandardMaterial3D" id="StandardMaterial3D_jka67"]
+transparency = 2
+alpha_scissor_threshold = 0.5
+alpha_antialiasing_mode = 0
+albedo_texture = ExtResource("2_2pk7s")
+texture_filter = 0
+billboard_mode = 1
+
+[sub_resource type="QuadMesh" id="QuadMesh_i5arm"]
+material = SubResource("StandardMaterial3D_jka67")
+
+[node name="Enemy" type="RigidBody3D"]
+axis_lock_angular_x = true
+axis_lock_angular_y = true
+axis_lock_angular_z = true
+physics_material_override = SubResource("PhysicsMaterial_a0tk4")
+script = ExtResource("1_dberb")
+movement_force = 5.0
+max_speed = 5.0
+
+[node name="NavigationAgent3D" type="NavigationAgent3D" parent="."]
+path_desired_distance = 0.5
+target_desired_distance = 0.5
+path_max_distance = 1.01
+avoidance_enabled = true
+max_speed = 5.0
+debug_enabled = true
+debug_path_custom_color = Color(1, 0, 0.0808306, 1)
+
+[node name="CollisionShape3D" type="CollisionShape3D" parent="."]
+shape = SubResource("SphereShape3D_a202f")
+
+[node name="MeshInstance3D" type="MeshInstance3D" parent="."]
+mesh = SubResource("QuadMesh_i5arm")
+
+[node name="ShapeCast3D" type="ShapeCast3D" parent="."]
+shape = SubResource("SphereShape3D_a202f")

project.godot

@@ -8,6 +8,19 @@
 
 config_version=5
 
+[addons]
+
+resources_spreadsheet_view/array_color_tint=100.0
+resources_spreadsheet_view/color_rows=true
+resources_spreadsheet_view/array_min_width=128.0
+resources_spreadsheet_view/resource_preview_size=32.0
+resources_spreadsheet_view/clip_headers=false
+resources_spreadsheet_view/dupe_arrays=true
+resources_spreadsheet_view/context_menu_on_leftclick=false
+resources_spreadsheet_view/fold_docks=true
+resources_spreadsheet_view/resource_cell_label_mode=1
+resources_spreadsheet_view/freeze_first_column=true
+
 [application]
 
 config/name="TowerGame3D"
@@ -15,6 +28,13 @@ run/main_scene="uid://bwftban1ppo17"
 config/features=PackedStringArray("4.4")
 config/icon="res://icon.svg"
 
+[debug]
+
+shapes/navigation/enable_edge_connections_xray=false
+shapes/navigation/enable_edge_lines_xray=false
+shapes/navigation/enable_link_connections_xray=false
+shapes/navigation/enable_agent_paths_xray=false
+
 [editor]
 
 version_control/plugin_name="GitPlugin"
@@ -22,11 +42,16 @@ version_control/autoload_on_startup=true
 
 [editor_plugins]
 
-enabled=PackedStringArray("res://addons/PathMesh3D/plugin.cfg", "res://addons/git_describe/plugin.cfg")
+enabled=PackedStringArray("res://addons/PathMesh3D/plugin.cfg", "res://addons/git_describe/plugin.cfg", "res://addons/resources_spreadsheet_view/plugin.cfg")
 
 [navigation]
 
-3d/default_edge_connection_margin=1.5
+3d/default_edge_connection_margin=0.6
+3d/default_link_connection_radius=0.5
+
+[physics]
+
+common/physics_interpolation=true
 
 [rendering]
 

scripts/unit.gd

@@ -0,0 +1,39 @@
+extends RigidBody3D
+class_name Unit
+
+@export var movement_force: float = 100
+@export var max_speed: float = 100
+
+var target_velocity: Vector3 = Vector3()
+
+func _ready() -> void:
+	$NavigationAgent3D.connect("velocity_computed", avoidance_velocity_computed)
+	
+func avoidance_velocity_computed(velocity: Vector3) -> void:
+	if velocity != target_velocity:
+		DebugDraw3D.draw_line(global_position, global_position + velocity, Color.ORANGE)
+		#print("Avoidance issued!")
+		target_velocity = velocity
+
+func _process(delta: float) -> void:
+	if $NavigationAgent3D.is_target_reached() or $NavigationAgent3D.target_position.is_zero_approx():
+		$NavigationAgent3D.target_position = NavigationServer3D.map_get_random_point(NavigationServer3D.get_maps()[0], 1, true)
+	else:
+		#DebugDraw3D.draw_sphere($NavigationAgent3D.target_position, 0.5, Color.RED)
+		var next_point: Vector3 = $NavigationAgent3D.get_next_path_position()
+		DebugDraw3D.draw_sphere(next_point, 0.1, Color.YELLOW)
+		var direction: Vector3 = (next_point - global_position).normalized()
+		#DebugDraw3D.draw_line(global_position, global_position + linear_velocity, Color.BLUE)
+		var target_velocity: Vector3 = direction * max_speed
+		$NavigationAgent3D.velocity = target_velocity
+		DebugDraw3D.draw_line(global_position, global_position + target_velocity, Color.MAGENTA)
+
+
+func _physics_process(delta: float) -> void:
+	if $ShapeCast3D.is_colliding():
+		var force_direction: Vector3 = (target_velocity-linear_velocity)
+		var normal: Vector3 = $ShapeCast3D.get_collision_normal(0)
+		DebugDraw3D.draw_line(global_position, global_position + normal, Color.DODGER_BLUE)
+		var force: Vector3 = (force_direction * movement_force).slide(normal)
+		DebugDraw3D.draw_line(global_position, global_position + force, Color.GREEN)
+		apply_central_force(force)

scripts/unit.gd.uid

@@ -0,0 +1 @@
+uid://f0j7u0so2ug5

tiles.tscn

@@ -1,4 +1,4 @@
-[gd_scene load_steps=5 format=3 uid="uid://bexxobgiojrfa"]
+[gd_scene load_steps=9 format=3 uid="uid://bexxobgiojrfa"]
 
 [sub_resource type="BoxMesh" id="BoxMesh_qra7f"]
 size = Vector3(2, 1, 2)
@@ -19,6 +19,22 @@ size = Vector2(2, 2)
 center_offset = Vector3(0, 0.5, 0)
 orientation = 1
 
+[sub_resource type="PrismMesh" id="PrismMesh_qra7f"]
+left_to_right = 0.0
+size = Vector3(2, 1, 2)
+
+[sub_resource type="ConvexPolygonShape3D" id="ConvexPolygonShape3D_qra7f"]
+points = PackedVector3Array(-1, -0.5, -1, -1, 0.5, -1, 1, -0.5, -1, -1, -0.5, 1, -1, 0.5, 1, 1, -0.5, 1)
+
+[sub_resource type="NavigationMesh" id="NavigationMesh_7h0kd"]
+vertices = PackedVector3Array(-0.735052, 0.760437, -0.75, -0.735052, 0.760437, 0.75, 0.764948, 0.010437, 0.75, 0.764948, 0.010437, -0.75)
+polygons = [PackedInt32Array(3, 2, 0), PackedInt32Array(0, 2, 1)]
+agent_radius = 0.2
+
+[sub_resource type="QuadMesh" id="QuadMesh_k6t24"]
+size = Vector2(2.2, 2)
+orientation = 1
+
 [node name="Tiles" type="Node3D"]
 
 [node name="Cube" type="MeshInstance3D" parent="."]
@@ -34,3 +50,19 @@ navigation_mesh = SubResource("NavigationMesh_qra7f")
 
 [node name="MeshInstance3D" type="MeshInstance3D" parent="Cube/NavigationRegion3D"]
 mesh = SubResource("QuadMesh_7h0kd")
+
+[node name="Ramp" type="MeshInstance3D" parent="."]
+transform = Transform3D(1, 0, 0, 0, 1, 0, 0, 0, 1, 1.99928, -0.00256312, 0.000191689)
+mesh = SubResource("PrismMesh_qra7f")
+
+[node name="StaticBody3D" type="StaticBody3D" parent="Ramp"]
+
+[node name="CollisionShape3D" type="CollisionShape3D" parent="Ramp/StaticBody3D"]
+shape = SubResource("ConvexPolygonShape3D_qra7f")
+
+[node name="NavigationRegion3D" type="NavigationRegion3D" parent="Ramp"]
+navigation_mesh = SubResource("NavigationMesh_7h0kd")
+
+[node name="MeshInstance3D" type="MeshInstance3D" parent="Ramp/NavigationRegion3D"]
+transform = Transform3D(0.895502, 0.445057, 0, -0.445057, 0.895502, 0, 0, 0, 1, 0, 0, 0)
+mesh = SubResource("QuadMesh_k6t24")