added attacks

scene/attack.tscn

@@ -0,0 +1,32 @@
+[gd_scene load_steps=3 format=3 uid="uid://cq2qq7q4u7mx1"]
+
+[ext_resource type="Script" path="res://scripts/attack.gd" id="1_ag1vs"]
+
+[sub_resource type="CircleShape2D" id="CircleShape2D_0cret"]
+radius = 16.0
+
+[node name="Attack" type="Node2D"]
+script = ExtResource("1_ag1vs")
+
+[node name="CPUParticles2D" type="CPUParticles2D" parent="."]
+emitting = false
+amount = 120
+lifetime = 0.25
+one_shot = true
+explosiveness = 1.0
+randomness = 0.05
+emission_shape = 1
+emission_sphere_radius = 4.0
+spread = 180.0
+gravity = Vector2(0, 0)
+initial_velocity_min = 56.0
+initial_velocity_max = 60.0
+
+[node name="Area2D" type="Area2D" parent="."]
+collision_layer = 0
+collision_mask = 2
+
+[node name="CollisionShape2D" type="CollisionShape2D" parent="Area2D"]
+shape = SubResource("CircleShape2D_0cret")
+
+[connection signal="finished" from="CPUParticles2D" to="." method="_on_cpu_particles_2d_finished"]

scene/chest.tscn

@@ -14,3 +14,6 @@ texture = ExtResource("1_dmyxo")
 
 [node name="CollisionShape2D" type="CollisionShape2D" parent="."]
 shape = SubResource("RectangleShape2D_miucj")
+
+[node name="NavigationObstacle2D" type="NavigationObstacle2D" parent="."]
+vertices = PackedVector2Array(5, 5, -5, 5, -5, -5, 5, -5)

scene/enemy.tscn

@@ -7,6 +7,7 @@
 radius = 6.0
 
 [node name="Enemy" type="CharacterBody2D"]
+collision_layer = 2
 script = ExtResource("1_a6qhu")
 
 [node name="Sprite2D" type="Sprite2D" parent="."]
@@ -14,3 +15,9 @@ texture = ExtResource("2_jkluv")
 
 [node name="CollisionShape2D" type="CollisionShape2D" parent="."]
 shape = SubResource("CircleShape2D_c7wcn")
+
+[node name="NavigationAgent2D" type="NavigationAgent2D" parent="."]
+target_desired_distance = 16.0
+path_postprocessing = 1
+avoidance_enabled = true
+radius = 8.0

scene/hud.tscn

@@ -89,3 +89,20 @@ step = 0.1
 value = 1.0
 fill_mode = 3
 show_percentage = false
+
+[node name="EntityCountContainer" type="PanelContainer" parent="."]
+anchors_preset = 1
+anchor_left = 1.0
+anchor_right = 1.0
+offset_left = -40.0
+offset_bottom = 40.0
+grow_horizontal = 0
+
+[node name="MarginContainer" type="MarginContainer" parent="EntityCountContainer"]
+layout_mode = 2
+theme_override_constants/margin_left = 8
+theme_override_constants/margin_right = 8
+
+[node name="EntityCountLabel" type="Label" parent="EntityCountContainer/MarginContainer"]
+layout_mode = 2
+text = "Entity Count: 0"

scene/maze_1.tscn

@@ -1,4 +1,4 @@
-[gd_scene load_steps=11 format=3 uid="uid://b2amoasy4e08i"]
+[gd_scene load_steps=24 format=3 uid="uid://b2amoasy4e08i"]
 
 [ext_resource type="Texture2D" uid="uid://bsrmtons1ov7x" path="res://assets/maze.png" id="1_jp5wf"]
 [ext_resource type="Script" path="res://scripts/maze.gd" id="1_u2iw0"]
@@ -8,63 +8,168 @@
 [ext_resource type="Resource" uid="uid://bo7k3kmsq57xy" path="res://data/buffs/green_buff.tres" id="5_ho55u"]
 [ext_resource type="Resource" uid="uid://tiv2o1xk5g7e" path="res://data/buffs/red_buff.tres" id="6_ll7oj"]
 
+[sub_resource type="NavigationPolygon" id="NavigationPolygon_6s0ud"]
+vertices = PackedVector2Array(8, 8, 2, 8, 2, 2, 8, 2)
+polygons = Array[PackedInt32Array]([PackedInt32Array(0, 1, 2, 3)])
+outlines = Array[PackedVector2Array]([PackedVector2Array(2, 2, 8, 2, 8, 8, 2, 8)])
+source_geometry_group_name = &"navigation_polygon_source_group"
+agent_radius = 0.0
+
+[sub_resource type="NavigationPolygon" id="NavigationPolygon_em7y3"]
+vertices = PackedVector2Array(8, 8, 2, 8, 2, -8, 8, -8)
+polygons = Array[PackedInt32Array]([PackedInt32Array(0, 1, 2, 3)])
+outlines = Array[PackedVector2Array]([PackedVector2Array(2, -8, 8, -8, 8, 8, 2, 8)])
+source_geometry_group_name = &"navigation_polygon_source_group"
+agent_radius = 0.0
+
+[sub_resource type="NavigationPolygon" id="NavigationPolygon_106v7"]
+vertices = PackedVector2Array(8, -2, 2, -2, 2, -8, 8, -8)
+polygons = Array[PackedInt32Array]([PackedInt32Array(0, 1, 2, 3)])
+outlines = Array[PackedVector2Array]([PackedVector2Array(2, -8, 8, -8, 8, -2, 2, -2)])
+source_geometry_group_name = &"navigation_polygon_source_group"
+agent_radius = 0.0
+
+[sub_resource type="NavigationPolygon" id="NavigationPolygon_ywxsi"]
+vertices = PackedVector2Array(8, 8, -8, 8, -8, 2, 8, 2)
+polygons = Array[PackedInt32Array]([PackedInt32Array(0, 1, 2, 3)])
+outlines = Array[PackedVector2Array]([PackedVector2Array(-8, 2, 8, 2, 8, 8, -8, 8)])
+source_geometry_group_name = &"navigation_polygon_source_group"
+agent_radius = 0.0
+
+[sub_resource type="NavigationPolygon" id="NavigationPolygon_xtsht"]
+vertices = PackedVector2Array(8, 8, -8, 8, -8, -8, 8, -8)
+polygons = Array[PackedInt32Array]([PackedInt32Array(0, 1, 2, 3)])
+outlines = Array[PackedVector2Array]([PackedVector2Array(-8, -8, 8, -8, 8, 8, -8, 8)])
+source_geometry_group_name = &"navigation_polygon_source_group"
+agent_radius = 0.0
+
+[sub_resource type="NavigationPolygon" id="NavigationPolygon_l7kt7"]
+vertices = PackedVector2Array(8, -2, -8, -2, -8, -8, 8, -8)
+polygons = Array[PackedInt32Array]([PackedInt32Array(0, 1, 2, 3)])
+outlines = Array[PackedVector2Array]([PackedVector2Array(-8, -8, 8, -8, 8, -2, -8, -2)])
+source_geometry_group_name = &"navigation_polygon_source_group"
+agent_radius = 0.0
+
+[sub_resource type="NavigationPolygon" id="NavigationPolygon_sbwbv"]
+vertices = PackedVector2Array(-2, 8, -8, 8, -8, 2, -2, 2)
+polygons = Array[PackedInt32Array]([PackedInt32Array(0, 1, 2, 3)])
+outlines = Array[PackedVector2Array]([PackedVector2Array(-8, 2, -2, 2, -2, 8, -8, 8)])
+source_geometry_group_name = &"navigation_polygon_source_group"
+agent_radius = 0.0
+
+[sub_resource type="NavigationPolygon" id="NavigationPolygon_amdei"]
+vertices = PackedVector2Array(-2, 8, -8, 8, -8, -8, -2, -8)
+polygons = Array[PackedInt32Array]([PackedInt32Array(0, 1, 2, 3)])
+outlines = Array[PackedVector2Array]([PackedVector2Array(-8, -8, -2, -8, -2, 8, -8, 8)])
+source_geometry_group_name = &"navigation_polygon_source_group"
+agent_radius = 0.0
+
+[sub_resource type="NavigationPolygon" id="NavigationPolygon_fuoof"]
+vertices = PackedVector2Array(-2, -2, -8, -2, -8, -8, -2, -8)
+polygons = Array[PackedInt32Array]([PackedInt32Array(0, 1, 2, 3)])
+outlines = Array[PackedVector2Array]([PackedVector2Array(-8, -8, -2, -8, -2, -2, -8, -2)])
+source_geometry_group_name = &"navigation_polygon_source_group"
+agent_radius = 0.0
+
+[sub_resource type="NavigationPolygon" id="NavigationPolygon_tco5v"]
+vertices = PackedVector2Array(8, -8, 8, -2, -2, -2, -8, -8, -8, 8, -2, 8)
+polygons = Array[PackedInt32Array]([PackedInt32Array(0, 1, 2, 3), PackedInt32Array(4, 3, 2, 5)])
+outlines = Array[PackedVector2Array]([PackedVector2Array(8, -2, -2, -2, -2, 8, -8, 8, -8, -8, 8, -8)])
+source_geometry_group_name = &"navigation_polygon_source_group"
+agent_radius = 0.0
+
+[sub_resource type="NavigationPolygon" id="NavigationPolygon_tvjsp"]
+vertices = PackedVector2Array(-2, 2, 8, 2, 8, 8, -8, 8, -8, -8, -2, -8)
+polygons = Array[PackedInt32Array]([PackedInt32Array(0, 1, 2, 3), PackedInt32Array(0, 3, 4, 5)])
+outlines = Array[PackedVector2Array]([PackedVector2Array(-2, -8, -2, 2, 8, 2, 8, 8, -8, 8, -8, -8)])
+source_geometry_group_name = &"navigation_polygon_source_group"
+agent_radius = 0.0
+
+[sub_resource type="NavigationPolygon" id="NavigationPolygon_pqq6a"]
+vertices = PackedVector2Array(8, -8, 8, 8, 2, 8, 2, -2, -8, -8, -8, -2)
+polygons = Array[PackedInt32Array]([PackedInt32Array(0, 1, 2, 3), PackedInt32Array(4, 0, 3, 5)])
+outlines = Array[PackedVector2Array]([PackedVector2Array(2, 8, 2, -2, -8, -2, -8, -8, 8, -8, 8, 8)])
+source_geometry_group_name = &"navigation_polygon_source_group"
+agent_radius = 0.0
+
+[sub_resource type="NavigationPolygon" id="NavigationPolygon_mlmli"]
+vertices = PackedVector2Array(8, 8, -8, 8, -8, 2, 2, 2, 8, -8, 2, -8)
+polygons = Array[PackedInt32Array]([PackedInt32Array(0, 1, 2, 3), PackedInt32Array(4, 0, 3, 5)])
+outlines = Array[PackedVector2Array]([PackedVector2Array(-8, 2, 2, 2, 2, -8, 8, -8, 8, 8, -8, 8)])
+source_geometry_group_name = &"navigation_polygon_source_group"
+agent_radius = 0.0
+
 [sub_resource type="TileSetAtlasSource" id="TileSetAtlasSource_e47fw"]
 texture = ExtResource("1_jp5wf")
 0:0/0 = 0
 0:0/0/physics_layer_0/linear_velocity = Vector2(0, 0)
 0:0/0/physics_layer_0/angular_velocity = 0.0
 0:0/0/physics_layer_0/polygon_0/points = PackedVector2Array(8, -8, 8, -6, -6, -6, -6, 8, -8, 8, -8, -8)
+0:0/0/navigation_layer_0/polygon = SubResource("NavigationPolygon_6s0ud")
 1:0/0 = 0
 1:0/0/physics_layer_0/linear_velocity = Vector2(0, 0)
 1:0/0/physics_layer_0/angular_velocity = 0.0
 1:0/0/physics_layer_0/polygon_0/points = PackedVector2Array(8, -8, 8, -6, -8, -6, -8, -8)
+1:0/0/navigation_layer_0/polygon = SubResource("NavigationPolygon_ywxsi")
 2:0/0 = 0
 2:0/0/physics_layer_0/linear_velocity = Vector2(0, 0)
 2:0/0/physics_layer_0/angular_velocity = 0.0
 2:0/0/physics_layer_0/polygon_0/points = PackedVector2Array(8, 8, 6, 8, 6, -6, -8, -6, -8, -8, 8, -8)
+2:0/0/navigation_layer_0/polygon = SubResource("NavigationPolygon_sbwbv")
 0:1/0 = 0
 0:1/0/physics_layer_0/linear_velocity = Vector2(0, 0)
 0:1/0/physics_layer_0/angular_velocity = 0.0
 0:1/0/physics_layer_0/polygon_0/points = PackedVector2Array(-8, -8, -6, -8, -6, 8, -8, 8)
+0:1/0/navigation_layer_0/polygon = SubResource("NavigationPolygon_em7y3")
 1:1/0 = 0
 1:1/0/physics_layer_0/linear_velocity = Vector2(0, 0)
 1:1/0/physics_layer_0/angular_velocity = 0.0
+1:1/0/navigation_layer_0/polygon = SubResource("NavigationPolygon_xtsht")
 2:1/0 = 0
 2:1/0/physics_layer_0/linear_velocity = Vector2(0, 0)
 2:1/0/physics_layer_0/angular_velocity = 0.0
 2:1/0/physics_layer_0/polygon_0/points = PackedVector2Array(8, -8, 6, -8, 6, 8, 8, 8)
+2:1/0/navigation_layer_0/polygon = SubResource("NavigationPolygon_amdei")
 0:2/0 = 0
 0:2/0/physics_layer_0/linear_velocity = Vector2(0, 0)
 0:2/0/physics_layer_0/angular_velocity = 0.0
 0:2/0/physics_layer_0/polygon_0/points = PackedVector2Array(-8, -8, -6, -8, -6, 6, 8, 6, 8, 8, -8, 8)
+0:2/0/navigation_layer_0/polygon = SubResource("NavigationPolygon_106v7")
 1:2/0 = 0
 1:2/0/physics_layer_0/linear_velocity = Vector2(0, 0)
 1:2/0/physics_layer_0/angular_velocity = 0.0
 1:2/0/physics_layer_0/polygon_0/points = PackedVector2Array(8, 8, 8, 6, -8, 6, -8, 8)
+1:2/0/navigation_layer_0/polygon = SubResource("NavigationPolygon_l7kt7")
 2:2/0 = 0
 2:2/0/physics_layer_0/linear_velocity = Vector2(0, 0)
 2:2/0/physics_layer_0/angular_velocity = 0.0
 2:2/0/physics_layer_0/polygon_0/points = PackedVector2Array(-8, 8, -8, 6, 6, 6, 6, -8, 8, -8, 8, 8)
+2:2/0/navigation_layer_0/polygon = SubResource("NavigationPolygon_fuoof")
 3:0/0 = 0
 3:0/0/physics_layer_0/linear_velocity = Vector2(0, 0)
 3:0/0/physics_layer_0/angular_velocity = 0.0
 3:0/0/physics_layer_0/polygon_0/points = PackedVector2Array(6, 6, 6, 8, 8, 8, 8, 6)
+3:0/0/navigation_layer_0/polygon = SubResource("NavigationPolygon_tco5v")
 4:1/0 = 0
 4:1/0/physics_layer_0/linear_velocity = Vector2(0, 0)
 4:1/0/physics_layer_0/angular_velocity = 0.0
 4:1/0/physics_layer_0/polygon_0/points = PackedVector2Array(-8, -8, -8, -6, -6, -6, -6, -8)
+4:1/0/navigation_layer_0/polygon = SubResource("NavigationPolygon_mlmli")
 4:0/0 = 0
 4:0/0/physics_layer_0/linear_velocity = Vector2(0, 0)
 4:0/0/physics_layer_0/angular_velocity = 0.0
 4:0/0/physics_layer_0/polygon_0/points = PackedVector2Array(-8, 6, -8, 8, -6, 8, -6, 6)
+4:0/0/navigation_layer_0/polygon = SubResource("NavigationPolygon_pqq6a")
 3:1/0 = 0
 3:1/0/physics_layer_0/linear_velocity = Vector2(0, 0)
 3:1/0/physics_layer_0/angular_velocity = 0.0
 3:1/0/physics_layer_0/polygon_0/points = PackedVector2Array(6, -8, 6, -6, 8, -6, 8, -8)
+3:1/0/navigation_layer_0/polygon = SubResource("NavigationPolygon_tvjsp")
 
 [sub_resource type="TileSet" id="TileSet_dy2x8"]
 physics_layer_0/collision_layer = 1
 physics_layer_0/collision_mask = 0
+navigation_layer_0/layers = 1
 sources/0 = SubResource("TileSetAtlasSource_e47fw")
 
 [sub_resource type="RectangleShape2D" id="RectangleShape2D_hodhv"]
@@ -155,3 +260,5 @@ position = Vector2(-8, 344)
 buff = ExtResource("6_ll7oj")
 
 [node name="HUD" parent="." instance=ExtResource("4_7uel4")]
+
+[node name="EntityContainer" type="Node" parent="."]

scene/player.tscn

@@ -7,6 +7,7 @@
 radius = 6.0
 
 [node name="Player" type="CharacterBody2D"]
+collision_layer = 2
 script = ExtResource("1_veifk")
 
 [node name="Sprite2D" type="Sprite2D" parent="."]

scripts/attack.gd

@@ -0,0 +1,23 @@
+extends Node2D
+class_name Attack
+
+@onready var cpu_particles_2d: CPUParticles2D = $CPUParticles2D
+@onready var area_2d: Area2D = $Area2D
+
+var initiator: Entity
+
+func set_initiator(entity: Entity) -> void:
+	position = entity.position
+	initiator = entity
+
+func _ready() -> void:
+	cpu_particles_2d.emitting = true
+	cpu_particles_2d.color = initiator.color
+
+func _on_cpu_particles_2d_finished() -> void:
+	var collisions := area_2d.get_overlapping_bodies()
+	for object in collisions:
+		if object is Entity and object != initiator:
+			object.hit()
+	print("attack hit %s" % collisions.size())
+	queue_free()

scripts/enemy.gd

@@ -1,23 +1,20 @@
-extends CharacterBody2D
+extends Entity
 class_name Enemy
 
 @onready var sprite_2d: Sprite2D = $Sprite2D
+@onready var nav_agent: NavigationAgent2D = $NavigationAgent2D
 
-var color := Color.WHITE
+var vision: int = 100
-@export var speed = 100
-var lives: int = 1
 
 func _physics_process(delta: float) -> void:
-	velocity = Vector2.ZERO
+	if nav_agent.is_navigation_finished():
-	if Input.is_action_pressed("ui_down"):
+		call_deferred("new_target_point")
-		velocity += Vector2.DOWN
+		return
-	if Input.is_action_pressed("ui_up"):
+
-		velocity += Vector2.UP
+	var current_agent_position: Vector2 = global_position
-	if Input.is_action_pressed("ui_left"):
+	var next_path_position: Vector2 = nav_agent.get_next_path_position()
-		velocity += Vector2.LEFT
+
-	if Input.is_action_pressed("ui_right"):
+	velocity = current_agent_position.direction_to(next_path_position) * speed
-		velocity += Vector2.RIGHT
-	velocity = velocity.normalized() * speed
 	move_and_slide()
 	for i in range(get_slide_collision_count()):
 		var collision := get_slide_collision(i)
@@ -35,3 +32,19 @@ func _physics_process(delta: float) -> void:
 						speed += 12
 						color.b -= 0.25
 				sprite_2d.modulate = color
+
+func new_target_point():
+	# Wait for the first physics frame so the NavigationServer can sync.
+	await get_tree().physics_frame
+
+	var target_point := Vector2.from_angle(randf_range(0.0, TAU)) * vision
+	var map := get_world_2d().navigation_map
+	var closest_point := NavigationServer2D.map_get_closest_point(map, global_position + target_point)
+	var point_delta := closest_point - target_point
+	var is_on_map = point_delta.is_zero_approx()  # Answer to original question!
+	#if not is_on_map:
+		## Wasn't on the map, so push in from edge. If you have thin sections on
+		## your navmesh, this could push it back off the navmesh!
+		#point_delta = point_delta.normalized()
+		#closest_point += point_delta * 32
+	nav_agent.target_position = closest_point

scripts/entity.gd

@@ -0,0 +1,14 @@
+extends CharacterBody2D
+class_name Entity
+
+signal death
+
+var color := Color.WHITE
+@export var speed = 100
+var lives: int = 1
+
+func hit() -> void:
+	lives -= 1
+	if lives <= 0:
+		death.emit()
+		queue_free()

scripts/hud.gd

@@ -6,6 +6,7 @@ class_name HUD
 @onready var progress_bar_blue: ProgressBar = $PanelContainer/MarginContainer/VBoxContainer/HBoxContainer/PanelContainerBlue/ProgressBar
 @onready var texture_rect: TextureRect = $PanelContainer/MarginContainer/VBoxContainer/TextureRect
 @onready var lives_container: GridContainer = $PanelContainer/MarginContainer/VBoxContainer/LivesContainer
+@onready var entity_count_label: Label = $EntityCountContainer/MarginContainer/EntityCountLabel
 const HEART = preload("res://assets/heart.png")
 
 func _on_player_color_changed(color: Color) -> void:
@@ -23,3 +24,6 @@ func _on_player_lives_changed(lives: int) -> void:
 		lives_container.add_child(life)
 	elif heart_containers.size() > lives:
 		heart_containers.pop_back().queue_free()
+
+func update_entity_count(count: int):
+	entity_count_label.text = "Entity Count: %s" % count

scripts/maze.gd

@@ -8,6 +8,7 @@ var spawn_locations: Array[Vector2] = []
 
 @onready var hud: HUD = $HUD
 @onready var spawn_zones: Node2D = $SpawnZones
+@onready var entity_container: Node = $EntityContainer
 
 func _ready() -> void:
 	var spawn_zone_array := spawn_zones.get_children()
@@ -17,6 +18,7 @@ func _ready() -> void:
 		for x in range(zone.shape.size.x / 16):
 			for y in range(zone.shape.size.y / 16):
 				spawn_locations.append(top_left + Vector2(x * 16, y * 16))
+	hud.update_entity_count(spawn_locations.size())
 	var player_loc: Vector2 = spawn_locations.pick_random()
 	for spawn in spawn_locations:
 		var entity
@@ -27,4 +29,9 @@ func _ready() -> void:
 		else:
 			entity = ENEMY.instantiate()
 		entity.position = spawn
-		add_child(entity)
+		entity.death.connect(_on_entity_death)
+		entity_container.add_child(entity)
+		
+func _on_entity_death():
+	var entities = entity_container.get_child_count()
+	hud.update_entity_count(entities)

scripts/player.gd

@@ -1,14 +1,12 @@
-extends CharacterBody2D
+extends Entity
 class_name Player
 
 signal color_changed(color: Color)
 signal lives_changed(lives: int)
 
 @onready var sprite_2d: Sprite2D = $Sprite2D
+const ATTACK := preload("res://scene/attack.tscn")
 
-var color := Color.WHITE
-@export var speed = 100
-var lives: int = 1
 
 func _physics_process(delta: float) -> void:
 	var input_direction = Input.get_vector("ui_left", "ui_right", "ui_up", "ui_down")
@@ -33,3 +31,8 @@ func _physics_process(delta: float) -> void:
 						color.b -= 0.25
 				sprite_2d.modulate = color
 				color_changed.emit(color)
+	
+	if Input.is_action_just_pressed("ui_accept"):
+		var attack: Attack = ATTACK.instantiate()
+		attack.set_initiator(self)
+		get_parent().add_sibling(attack)