Misc changes.

addons/PathMesh3D/plugin.cfg

@@ -3,5 +3,5 @@
 name="PathMesh3D"
 description="A fast set of 3D mesh extrusion and tiling nodes implemented as a C++ GDExtension."
 author="iiMidknightii"
-version="1.3.0"
+version="1.3.1"
 script="plugin.gd"

addons/PathMesh3D/plugin.gd

@@ -29,24 +29,24 @@ func _exit_tree() -> void:
 
 
 func _handles(object: Object) -> bool:
-	return object is PathMesh3D or object is PathExtrude3D or object is PathScene3D
+	return is_instance_valid(object) and (object is PathMesh3D or object is PathExtrude3D or object is PathScene3D)
 
 
 func _edit(object: Object) -> void:
-	if object is PathMesh3D or object is PathExtrude3D and _mesh_editor_button:
+	if is_instance_valid(object) and (object is PathMesh3D or object is PathExtrude3D) and _mesh_editor_button:
 		_path_object = object
 		_mesh_editor_button.path_mesh = object
 		_mesh_editor_button.ur = get_undo_redo()
-	elif object is PathScene3D and _scene_editor_button:
+	elif is_instance_valid(object) and object is PathScene3D and _scene_editor_button:
 		_path_object = object
 		_scene_editor_button.path_scene = object
 		_scene_editor_button.ur = get_undo_redo()
 
 
 func _make_visible(visible: bool) -> void:
-	if _path_object is PathMesh3D or _path_object is PathExtrude3D and visible:
+	if is_instance_valid(_path_object) and (_path_object is PathMesh3D or _path_object is PathExtrude3D) and visible:
 		_mesh_editor_button.visible = visible
-	elif _path_object is PathScene3D and visible:
+	elif is_instance_valid(_path_object) and _path_object is PathScene3D and visible:
 		_scene_editor_button.visible = visible
 	elif not visible:
 		_mesh_editor_button.visible = visible

addons/resources_spreadsheet_view/saved_state.json

@@ -0,0 +1,26 @@
+{
+  "column_properties": {
+    "res://items/": {
+      "metadata/_custom_type_script": {
+        "visibility": 0.0
+      },
+      "resource_local_to_scene": {
+        "visibility": 0.0
+      },
+      "resource_name": {
+        "visibility": 0.0
+      }
+    }
+  },
+  "recent_paths": [
+    "res://items/"
+  ],
+  "table_functions": {
+    "filter": [
+      "return true"
+    ],
+    "process": [
+      "return value"
+    ]
+  }
+}

assets/blends/Conveyor.blend.import

@@ -0,0 +1,53 @@
+[remap]
+
+importer="scene"
+importer_version=1
+type="PackedScene"
+uid="uid://cfnfxvcxoapwo"
+path="res://.godot/imported/Conveyor.blend-ed8c8154849c96ad2284f5e9c12705fd.scn"
+
+[deps]
+
+source_file="res://assets/blends/Conveyor.blend"
+dest_files=["res://.godot/imported/Conveyor.blend-ed8c8154849c96ad2284f5e9c12705fd.scn"]
+
+[params]
+
+nodes/root_type=""
+nodes/root_name=""
+nodes/apply_root_scale=true
+nodes/root_scale=1.0
+nodes/import_as_skeleton_bones=false
+nodes/use_node_type_suffixes=true
+meshes/ensure_tangents=true
+meshes/generate_lods=true
+meshes/create_shadow_meshes=true
+meshes/light_baking=1
+meshes/lightmap_texel_size=0.2
+meshes/force_disable_compression=false
+skins/use_named_skins=true
+animation/import=true
+animation/fps=30
+animation/trimming=false
+animation/remove_immutable_tracks=true
+animation/import_rest_as_RESET=false
+import_script/path=""
+_subresources={}
+blender/nodes/visible=0
+blender/nodes/active_collection_only=false
+blender/nodes/punctual_lights=true
+blender/nodes/cameras=true
+blender/nodes/custom_properties=true
+blender/nodes/modifiers=1
+blender/meshes/colors=false
+blender/meshes/uvs=true
+blender/meshes/normals=true
+blender/meshes/export_geometry_nodes_instances=false
+blender/meshes/tangents=true
+blender/meshes/skins=2
+blender/meshes/export_bones_deforming_mesh_only=false
+blender/materials/unpack_enabled=true
+blender/materials/export_materials=1
+blender/animation/limit_playback=true
+blender/animation/always_sample=true
+blender/animation/group_tracks=true

assets/blends/Resources.blend.import

@@ -0,0 +1,53 @@
+[remap]
+
+importer="scene"
+importer_version=1
+type="PackedScene"
+uid="uid://bwpnd8l65fn7x"
+path="res://.godot/imported/Resources.blend-1f000fb8e4330de99f6e9b1d1d341c9f.scn"
+
+[deps]
+
+source_file="res://assets/blends/Resources.blend"
+dest_files=["res://.godot/imported/Resources.blend-1f000fb8e4330de99f6e9b1d1d341c9f.scn"]
+
+[params]
+
+nodes/root_type=""
+nodes/root_name=""
+nodes/apply_root_scale=true
+nodes/root_scale=1.0
+nodes/import_as_skeleton_bones=false
+nodes/use_node_type_suffixes=true
+meshes/ensure_tangents=true
+meshes/generate_lods=true
+meshes/create_shadow_meshes=true
+meshes/light_baking=1
+meshes/lightmap_texel_size=0.2
+meshes/force_disable_compression=false
+skins/use_named_skins=true
+animation/import=true
+animation/fps=30
+animation/trimming=false
+animation/remove_immutable_tracks=true
+animation/import_rest_as_RESET=false
+import_script/path=""
+_subresources={}
+blender/nodes/visible=0
+blender/nodes/active_collection_only=false
+blender/nodes/punctual_lights=true
+blender/nodes/cameras=true
+blender/nodes/custom_properties=true
+blender/nodes/modifiers=1
+blender/meshes/colors=false
+blender/meshes/uvs=true
+blender/meshes/normals=true
+blender/meshes/export_geometry_nodes_instances=false
+blender/meshes/tangents=true
+blender/meshes/skins=2
+blender/meshes/export_bones_deforming_mesh_only=false
+blender/materials/unpack_enabled=true
+blender/materials/export_materials=1
+blender/animation/limit_playback=true
+blender/animation/always_sample=true
+blender/animation/group_tracks=true

assets/images/splat.png.import

@@ -0,0 +1,34 @@
+[remap]
+
+importer="texture"
+type="CompressedTexture2D"
+uid="uid://dcny38nrl0kf0"
+path="res://.godot/imported/splat.png-397849adaf8080e1549558a1d8865428.ctex"
+metadata={
+"vram_texture": false
+}
+
+[deps]
+
+source_file="res://assets/images/splat.png"
+dest_files=["res://.godot/imported/splat.png-397849adaf8080e1549558a1d8865428.ctex"]
+
+[params]
+
+compress/mode=0
+compress/high_quality=false
+compress/lossy_quality=0.7
+compress/hdr_compression=1
+compress/normal_map=0
+compress/channel_pack=0
+mipmaps/generate=false
+mipmaps/limit=-1
+roughness/mode=0
+roughness/src_normal=""
+process/fix_alpha_border=true
+process/premult_alpha=false
+process/normal_map_invert_y=false
+process/hdr_as_srgb=false
+process/hdr_clamp_exposure=false
+process/size_limit=0
+detect_3d/compress_to=1

assets/models/Conveyor.obj.import

@@ -0,0 +1,25 @@
+[remap]
+
+importer="wavefront_obj"
+importer_version=1
+type="Mesh"
+uid="uid://bv225xw8xssl4"
+path="res://.godot/imported/Conveyor.obj-7726f330b1d85fa22b1ae73f42a7074b.mesh"
+
+[deps]
+
+files=["res://.godot/imported/Conveyor.obj-7726f330b1d85fa22b1ae73f42a7074b.mesh"]
+
+source_file="res://assets/models/Conveyor.obj"
+dest_files=["res://.godot/imported/Conveyor.obj-7726f330b1d85fa22b1ae73f42a7074b.mesh", "res://.godot/imported/Conveyor.obj-7726f330b1d85fa22b1ae73f42a7074b.mesh"]
+
+[params]
+
+generate_tangents=true
+generate_lods=true
+generate_shadow_mesh=true
+generate_lightmap_uv2=false
+generate_lightmap_uv2_texel_size=0.2
+scale_mesh=Vector3(1, 1, 1)
+offset_mesh=Vector3(0, 0, 0)
+force_disable_mesh_compression=false

assets/models/Ingot.obj.import

@@ -0,0 +1,25 @@
+[remap]
+
+importer="wavefront_obj"
+importer_version=1
+type="Mesh"
+uid="uid://c6yj8uwsgqxv0"
+path="res://.godot/imported/Ingot.obj-a2d5e6fd04e7f87225a4cd53d4193716.mesh"
+
+[deps]
+
+files=["res://.godot/imported/Ingot.obj-a2d5e6fd04e7f87225a4cd53d4193716.mesh"]
+
+source_file="res://assets/models/Ingot.obj"
+dest_files=["res://.godot/imported/Ingot.obj-a2d5e6fd04e7f87225a4cd53d4193716.mesh", "res://.godot/imported/Ingot.obj-a2d5e6fd04e7f87225a4cd53d4193716.mesh"]
+
+[params]
+
+generate_tangents=true
+generate_lods=true
+generate_shadow_mesh=true
+generate_lightmap_uv2=false
+generate_lightmap_uv2_texel_size=0.2
+scale_mesh=Vector3(1, 1, 1)
+offset_mesh=Vector3(0, 0, 0)
+force_disable_mesh_compression=false

grid_map_test.gd

@@ -1 +1,24 @@
 extends GridMap
+
+var postprocess_done: bool = false
+
+var postprocess_delay: float = 5.0
+
+func _process(delta: float) -> void:
+	if postprocess_delay > 0:
+		postprocess_delay -= delta
+	if postprocess_delay <= 0 and !postprocess_done:
+		if !NavigationServer3D.get_maps().is_empty():
+			postprocess_done = true
+			var regions_deleted: int = 0
+			var map_rid: RID = NavigationServer3D.get_maps()[0]
+			for cell in get_used_cells():
+				var nav_region_rid: RID = NavigationServer3D.map_get_closest_point_owner(map_rid, to_global(map_to_local(cell)))
+				var upstairs_neighbour: Vector3 = cell + Vector3i(0,1,0)
+				if get_cell_item(upstairs_neighbour) != INVALID_CELL_ITEM:
+					DebugDraw3D.draw_box(to_global(map_to_local(cell)), Quaternion(), Vector3(2,1,2), Color.RED, true, 50)
+					NavigationServer3D.region_set_enabled(nav_region_rid, false)
+					regions_deleted += 1
+			NavigationServer3D.map_force_update(map_rid)
+			print("Navmesh postprocess done; %d regions deleted." % regions_deleted)
+					

items/metal.tres

@@ -0,0 +1,10 @@
+[gd_resource type="Resource" script_class="Item" load_steps=3 format=3 uid="uid://dbkxys3mr5u80"]
+
+[ext_resource type="Script" uid="uid://kcdpck5ufgcc" path="res://scripts/item.gd" id="1_a88ho"]
+[ext_resource type="Texture2D" uid="uid://xpm6i82tui2o" path="res://assets/images/watchtower.png" id="1_jdpiu"]
+
+[resource]
+script = ExtResource("1_a88ho")
+icon = ExtResource("1_jdpiu")
+name = "Metal"
+metadata/_custom_type_script = "uid://kcdpck5ufgcc"

objects/buildings/building.tscn

@@ -0,0 +1,28 @@
+[gd_scene load_steps=4 format=3 uid="uid://b1fnsl3k1mo5c"]
+
+[ext_resource type="Script" uid="uid://dvgo3kpjr2mmj" path="res://scripts/building_components/building.gd" id="1_k07no"]
+
+[sub_resource type="BoxMesh" id="BoxMesh_cee1v"]
+size = Vector3(2, 2, 2)
+
+[sub_resource type="BoxShape3D" id="BoxShape3D_k07no"]
+size = Vector3(2, 2, 2)
+
+[node name="Building" type="StaticBody3D"]
+script = ExtResource("1_k07no")
+
+[node name="MeshInstance3D" type="MeshInstance3D" parent="."]
+transform = Transform3D(1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 1, 0)
+mesh = SubResource("BoxMesh_cee1v")
+
+[node name="CollisionShape3D" type="CollisionShape3D" parent="."]
+transform = Transform3D(1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 1, 0)
+shape = SubResource("BoxShape3D_k07no")
+
+[node name="NavigationObstacle3D" type="NavigationObstacle3D" parent="."]
+transform = Transform3D(1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 1, 0)
+radius = 1.0
+vertices = PackedVector3Array(-1, 0, -1, 1, 0, -1, 1, 0, 1, -1, 0, 1)
+affect_navigation_mesh = true
+carve_navigation_mesh = true
+use_3d_avoidance = true

objects/buildings/processor.tscn

@@ -0,0 +1,25 @@
+[gd_scene load_steps=6 format=3 uid="uid://c6e1nifka3h4v"]
+
+[ext_resource type="PackedScene" uid="uid://b1fnsl3k1mo5c" path="res://objects/buildings/building.tscn" id="1_hxugg"]
+[ext_resource type="Script" uid="uid://bshiyw2k3op02" path="res://scripts/building_components/consumer.gd" id="4_dx8de"]
+[ext_resource type="Script" uid="uid://c4fquatkjmsgu" path="res://scripts/building_components/producer.gd" id="5_p3dou"]
+
+[sub_resource type="StandardMaterial3D" id="StandardMaterial3D_evfwj"]
+albedo_color = Color(0.023159, 1, 0, 1)
+
+[sub_resource type="BoxMesh" id="BoxMesh_3h7kv"]
+material = SubResource("StandardMaterial3D_evfwj")
+size = Vector3(2, 2, 2)
+
+[node name="Processor" instance=ExtResource("1_hxugg")]
+
+[node name="MeshInstance3D" parent="." index="0"]
+mesh = SubResource("BoxMesh_3h7kv")
+
+[node name="Consumer" type="Node" parent="." index="3"]
+script = ExtResource("4_dx8de")
+metadata/_custom_type_script = "uid://bshiyw2k3op02"
+
+[node name="Producer" type="Node" parent="." index="4"]
+script = ExtResource("5_p3dou")
+metadata/_custom_type_script = "uid://c4fquatkjmsgu"

objects/unit.tscn

@@ -33,7 +33,6 @@ max_speed = 5.0
 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)
@@ -46,3 +45,8 @@ mesh = SubResource("QuadMesh_i5arm")
 
 [node name="ShapeCast3D" type="ShapeCast3D" parent="."]
 shape = SubResource("SphereShape3D_a202f")
+
+[node name="Label3D" type="Label3D" parent="."]
+transform = Transform3D(1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0.668082, 0)
+billboard = 1
+text = "blablabla"

project.godot

@@ -45,6 +45,20 @@ version_control/autoload_on_startup=true
 
 enabled=PackedStringArray("res://addons/PathMesh3D/plugin.cfg", "res://addons/git_describe/plugin.cfg", "res://addons/resources_spreadsheet_view/plugin.cfg")
 
+[layer_names]
+
+3d_render/layer_1="Terrain"
+3d_render/layer_2="Buildings"
+3d_render/layer_3="Units"
+3d_physics/layer_1="Terrain"
+3d_navigation/layer_1="Enemies Small"
+3d_physics/layer_2="Buildings"
+3d_navigation/layer_2="Enemies Large"
+3d_physics/layer_3="Enemies"
+3d_navigation/layer_3="Citizens"
+3d_physics/layer_4="Citizens"
+3d_physics/layer_5="Projectiles"
+
 [navigation]
 
 3d/default_edge_connection_margin=0.6

scripts/building_components/building.gd

@@ -0,0 +1,20 @@
+extends Node
+class_name Building
+
+@export var max_hp: int = 100
+
+enum BuildState {
+	UNPLACED,
+	BUILDING,
+	READY,
+	DESTROYED
+}
+
+var hp: int = max_hp
+
+var build_state: BuildState = BuildState.BUILDING:
+	set(state):
+		build_state = state
+
+func is_functional() -> bool:
+	return build_state == BuildState.READY

scripts/building_components/building.gd.uid

@@ -0,0 +1 @@
+uid://dvgo3kpjr2mmj

scripts/building_components/consumer.gd

@@ -0,0 +1,42 @@
+extends Node
+class_name Consumer
+signal item_added(item: Item)
+
+@export var accepted_items: Array[Item] = []
+@export var storage_size: int = 4
+@export var max_inputs: int = 1
+
+var storage_total: int = 0
+var storage: Dictionary[Item, int] = {}
+
+func can_accept_item(item: Item) -> bool:
+	return (storage_total < storage_size) and (accepted_items.has(item) or accepted_items.is_empty())
+	
+func offer_item(item: Item) -> bool:
+	if !can_accept_item(item):
+		return false
+	storage_total += 1
+	var old_count: int = storage.get(item, 0)
+	storage.set(item, old_count + 1)
+	item_added.emit(item)
+	return true
+	
+func check_storage_for_item(item: Item) -> bool:
+	return check_storage_for_items({item:1})
+	
+func check_storage_for_items(items: Dictionary[Item, int]) -> bool:
+	for item in items.keys():
+		if storage.get(item, 0) < items[item]:
+			return false
+	return true
+	
+func take_item_from_storage(item: Item) -> bool:
+	return take_items_from_storage({item: 1})
+	
+func take_items_from_storage(items: Dictionary[Item, int]) -> bool:
+	if !check_storage_for_items(items):
+		return false
+	for item in items.keys():
+		var old_count: int = storage.get(item, 0)
+		storage.set(item, old_count - items[item])
+	return true

scripts/building_components/consumer.gd.uid

@@ -0,0 +1 @@
+uid://bshiyw2k3op02

scripts/building_components/producer.gd

@@ -0,0 +1,29 @@
+extends Node
+class_name Producer
+
+@export var output_period: float = 0.1
+@export var max_outputs: int = 1
+
+var consumers: Array[Consumer]
+var next_consumer_idx: int = 0
+#var output_timer: float = 0.0
+#var output_item: Item
+
+#func _process(delta: float) -> void:
+	#output_timer += delta
+	#if output_timer >= output_period:
+		#output_timer -= output_period
+		#output()
+		
+func send_item(item: Item) -> bool:
+	if consumers.is_empty():
+		return false
+	next_consumer_idx += 1
+	if next_consumer_idx >= consumers.size():
+		next_consumer_idx = 0
+	
+	var consumer: Consumer = consumers[next_consumer_idx]
+	var accepted: bool = consumer.offer_item(item)
+	return accepted
+		
+	

scripts/building_components/producer.gd.uid

@@ -0,0 +1 @@
+uid://c4fquatkjmsgu

scripts/buildings/conveyor.gd

@@ -0,0 +1,58 @@
+extends Path3D
+
+@export var speed: float = 1.0
+@export var item_offset: Vector3 = Vector3(0,1,0)
+	
+var transported_items: Dictionary[Item, PackedFloat64Array] = {}
+
+@onready var producer: Producer = $Producer
+@onready var multimesh: MultiMeshInstance3D = $MultiMeshInstance3D
+
+var test_timer: float = 0
+@onready var test_item: Item = load("res://items/metal.tres")
+
+func _process(delta: float) -> void:
+	test_timer += delta
+	if test_timer >= 2.0:
+		test_timer -= 2.0
+		add_item(test_item)
+	
+	var belt_moving: bool = check_items_at_end()
+	if belt_moving:
+		for transported_item_type in transported_items.keys():
+			var offsets: PackedFloat64Array = transported_items[transported_item_type]
+			multimesh.multimesh.instance_count = offsets.size()
+			for i in range(offsets.size()):
+				offsets[i] += (delta * speed)
+				position_item(i, transported_item_type, offsets[i])
+
+func add_item(item: Item) -> void:
+	var offsets: PackedFloat64Array
+	if transported_items.has(item):
+		offsets = transported_items[item]
+	else:
+		offsets = []
+	offsets.append(0.0)
+	transported_items[item] = offsets
+
+func check_items_at_end() -> bool:
+	var length: float = curve.get_baked_length()
+	var belt_moving: bool = true
+	for transported_item_type in transported_items.keys():
+		var offsets: PackedFloat64Array = transported_items[transported_item_type]
+		var to_delete: Array[int] = []
+		for i in range(offsets.size()):
+			if offsets[i] >= length:
+				var sent: bool = producer.send_item(transported_item_type)
+				if !sent:
+					belt_moving = false
+				else:
+					to_delete.append(i)
+		for d in to_delete:
+			offsets.remove_at(d)
+	return belt_moving
+		
+func position_item(instance: int, item: Item, offset: float) -> void:
+	var trans: Transform3D = curve.sample_baked_with_rotation(offset).translated_local(item_offset)
+	multimesh.multimesh.set_instance_transform(instance, trans)
+	

scripts/buildings/conveyor.gd.uid

@@ -0,0 +1 @@
+uid://cnoyykkcidp1d

scripts/buildings/processor.gd

@@ -0,0 +1,24 @@
+extends Building
+
+@export var ingredients: Dictionary[Item, int] = {}
+@export var process_time: float = 1.0
+@export var created_item: Item
+
+var process_timer: float = 0.0
+var processing: bool = false
+
+func _process(delta: float) -> void:
+	if is_functional():
+		if !processing:
+			processing = consume_ingredients()
+		if processing:
+			process_timer += delta
+			if process_timer >= process_time:
+				process_timer -= process_time
+				produce_item()
+			
+func consume_ingredients() -> bool:
+	return $Consumer.take_items_from_storage(ingredients)
+
+func produce_item() -> void:
+	$Producer.set_output_item(created_item)

scripts/buildings/processor.gd.uid

@@ -0,0 +1 @@
+uid://c3bqfgoof2c83

scripts/item.gd

@@ -0,0 +1,6 @@
+extends Resource
+class_name Item
+
+@export var icon: Texture2D
+@export var name: String
+@export var model: Mesh

scripts/item.gd.uid

@@ -0,0 +1 @@
+uid://kcdpck5ufgcc

scripts/unit.gd

@@ -3,37 +3,62 @@ class_name Unit
 
 @export var movement_force: float = 100
 @export var max_speed: float = 100
+@export var minimum_progress_rate: float = 1.0
+@export var stuck_time: float = 1.0
 
 var target_velocity: Vector3 = Vector3()
+var last_distance_to_target: float = 0.0
+var stuck_timer: float = 0.0
 
 func _ready() -> void:
-	$NavigationAgent3D.connect("velocity_computed", avoidance_velocity_computed)
+	#$NavigationAgent3D.connect("velocity_computed", avoidance_velocity_computed)
+	pass
 	
 func avoidance_velocity_computed(velocity: Vector3) -> void:
 	if velocity != target_velocity:
-		DebugDraw3D.draw_line(global_position, global_position + velocity, Color.ORANGE)
+		#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():
+	if $NavigationAgent3D.is_target_reached() \
+		or $NavigationAgent3D.target_position.is_zero_approx() \
+		or !$NavigationAgent3D.is_target_reachable():
 		$NavigationAgent3D.target_position = NavigationServer3D.map_get_random_point(NavigationServer3D.get_maps()[0], 1, true)
+		last_distance_to_target = $NavigationAgent3D.distance_to_target()
 	else:
-		#DebugDraw3D.draw_sphere($NavigationAgent3D.target_position, 0.5, Color.RED)
+		var distance_to_target: float = $NavigationAgent3D.distance_to_target()
+		var progress_rate: float = (last_distance_to_target - distance_to_target) / delta
+		$Label3D.text = "Prog: %f" % progress_rate
+		last_distance_to_target = distance_to_target
+		if progress_rate < minimum_progress_rate:
+			$Label3D.modulate = Color.RED
+			stuck_timer += delta
+			if stuck_timer >= stuck_time:
+				unstuck()
+		else:
+			$Label3D.modulate = Color.WHITE
+			stuck_timer = 0
+		DebugDraw3D.draw_sphere($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
-		$NavigationAgent3D.velocity = target_velocity
-		DebugDraw3D.draw_line(global_position, global_position + target_velocity, Color.MAGENTA)
+		target_velocity= direction * max_speed
+		#$NavigationAgent3D.velocity = target_velocity
+		#DebugDraw3D.draw_line(global_position, global_position + target_velocity, Color.MAGENTA)
+		#DebugDraw3D.draw_text(global_position + Vector3(0,1,0), "%f" % $NavigationAgent3D.distance_to_target())
 
+func unstuck() -> void:
+	# teleport to next path point
+	global_position = $NavigationAgent3D.get_next_path_position()
+	stuck_timer = 0
 
 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)
+		#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)
+		#DebugDraw3D.draw_line(global_position, global_position + force, Color.GREEN)
 		apply_central_force(force)

tiles.tscn

@@ -1,9 +1,4 @@
-[gd_scene load_steps=17 format=3 uid="uid://bexxobgiojrfa"]
-
-[ext_resource type="ArrayMesh" uid="uid://bs13eo8off8ee" path="res://assets/models/Ramp Corner Inner.obj" id="1_k6t24"]
-[ext_resource type="ArrayMesh" uid="uid://ca1wobe3qgakn" path="res://assets/models/Ramp Corner Inner Nav.obj" id="2_d6bvg"]
-[ext_resource type="ArrayMesh" uid="uid://1ud15exgl668" path="res://assets/models/Ramp Corner Outer.obj" id="3_7ivye"]
-[ext_resource type="ArrayMesh" uid="uid://bai5bvubpu4ec" path="res://assets/models/Ramp Corner Outer Nav.obj" id="4_vra4g"]
+[gd_scene load_steps=9 format=3 uid="uid://bexxobgiojrfa"]
 
 [sub_resource type="BoxMesh" id="BoxMesh_qra7f"]
 size = Vector3(2, 1, 2)
@@ -32,7 +27,7 @@ size = Vector3(2, 1, 2)
 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)
+vertices = PackedVector3Array(-0.735052, 0.760437, -0.75, -0.735052, 0.760437, 0.75, 0.764948, 0.0104373, 0.75, 0.764948, 0.0104373, -0.75)
 polygons = [PackedInt32Array(3, 2, 0), PackedInt32Array(0, 2, 1)]
 agent_radius = 0.2
 
@@ -40,22 +35,6 @@ agent_radius = 0.2
 size = Vector2(2.2, 2)
 orientation = 1
 
-[sub_resource type="ConcavePolygonShape3D" id="ConcavePolygonShape3D_7ivye"]
-data = 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, 1, 0.5, 1, 1, -0.5, -1, 1, -0.5, 1, 1, 0.5, 1, 1, -0.5, 1, -1, -0.5, 1, 1, -0.5, -1, -1, -0.5, -1, 1, -0.5, 1, 1, -0.5, 1, -1, -0.5, -1, -1, -0.5, 1, -1, 0.5, -1, -1, -0.5, -1, 1, 0.5, -1, 1, 0.5, -1, -1, -0.5, -1, 1, -0.5, -1, -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_vra4g"]
-vertices = PackedVector3Array(-0.75, 0.75, -0.75, -0.75, 0, 0.75, 0.75, 0.75, 0.75, 0.75, 0.75, -0.75)
-polygons = [PackedInt32Array(3, 2, 0), PackedInt32Array(0, 2, 1)]
-agent_radius = 0.2
-
-[sub_resource type="ConvexPolygonShape3D" id="ConvexPolygonShape3D_xlp04"]
-points = PackedVector3Array(1, -0.5, -1, -1, -0.5, 1, 1, 0.5, 1, 1, -0.5, 1)
-
-[sub_resource type="NavigationMesh" id="NavigationMesh_341ea"]
-vertices = PackedVector3Array(-1, 0, 0.75, 1, 0.75, 1, 1, 0, -1)
-polygons = [PackedInt32Array(2, 1, 0)]
-agent_radius = 0.0
-
 [node name="Tiles" type="Node3D"]
 
 [node name="Cube" type="MeshInstance3D" parent="."]
@@ -73,7 +52,7 @@ navigation_mesh = SubResource("NavigationMesh_qra7f")
 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)
+transform = Transform3D(1, 0, 0, 0, 1, 0, 0, 0, 1, 2.40447, -0.00256312, 0.000191689)
 mesh = SubResource("PrismMesh_qra7f")
 
 [node name="StaticBody3D" type="StaticBody3D" parent="Ramp"]
@@ -87,33 +66,3 @@ 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")
-
-[node name="Ramp Inner Corner" type="MeshInstance3D" parent="."]
-transform = Transform3D(1, 0, 0, 0, 1, 0, 0, 0, 1, -2, 0, 0)
-mesh = ExtResource("1_k6t24")
-
-[node name="StaticBody3D" type="StaticBody3D" parent="Ramp Inner Corner"]
-
-[node name="CollisionShape3D" type="CollisionShape3D" parent="Ramp Inner Corner/StaticBody3D"]
-shape = SubResource("ConcavePolygonShape3D_7ivye")
-
-[node name="NavigationRegion3D" type="NavigationRegion3D" parent="Ramp Inner Corner"]
-navigation_mesh = SubResource("NavigationMesh_vra4g")
-
-[node name="MeshInstance3D" type="MeshInstance3D" parent="Ramp Inner Corner/NavigationRegion3D"]
-mesh = ExtResource("2_d6bvg")
-
-[node name="Ramp Outer Corner" type="MeshInstance3D" parent="."]
-transform = Transform3D(-1, 0, 8.74228e-08, 0, 1, 0, -8.74228e-08, 0, -1, 2, 0, 2)
-mesh = ExtResource("3_7ivye")
-
-[node name="StaticBody3D" type="StaticBody3D" parent="Ramp Outer Corner"]
-
-[node name="CollisionShape3D" type="CollisionShape3D" parent="Ramp Outer Corner/StaticBody3D"]
-shape = SubResource("ConvexPolygonShape3D_xlp04")
-
-[node name="NavigationRegion3D" type="NavigationRegion3D" parent="Ramp Outer Corner"]
-navigation_mesh = SubResource("NavigationMesh_341ea")
-
-[node name="MeshInstance3D" type="MeshInstance3D" parent="Ramp Outer Corner/NavigationRegion3D"]
-mesh = ExtResource("4_vra4g")