police car weak point

enemies/police_car/police_car.gd

@@ -15,8 +15,9 @@ func _physics_process(delta: float) -> void:
 	
 	rotation.y = Vector2(velocity.x, -velocity.z).angle()
 
-func hit(_proj: PlayerProjectile):
+func hit(_proj: PlayerProjectile) -> bool:
 	queue_free()
+	return true
 
 
 func _on_hurtbox_body_entered(body: Node3D) -> void:

enemies/police_car/police_car.tscn

@@ -1,6 +1,7 @@
 [gd_scene format=3 uid="uid://dusfu1hidkmsk"]
 
 [ext_resource type="Script" uid="uid://c6xr2j0g1ep7j" path="res://enemies/police_car/police_car.gd" id="1_spw8y"]
+[ext_resource type="Script" uid="uid://c14x24qxx1wc3" path="res://enemies/police_car/weak_point.gd" id="2_8ru0n"]
 
 [sub_resource type="Curve" id="Curve_spw8y"]
 _limits = [1.0, 20.0, -1.0, 1.0]
@@ -30,6 +31,9 @@ height = 0.5
 [sub_resource type="BoxShape3D" id="BoxShape3D_8364l"]
 size = Vector3(1.7734375, 0.5839844, 1.1367188)
 
+[sub_resource type="BoxShape3D" id="BoxShape3D_s5uvd"]
+size = Vector3(0.6993408, 1, 0.88671875)
+
 [node name="PoliceCar" type="CharacterBody3D" unique_id=206023291]
 collision_layer = 8
 collision_mask = 15
@@ -74,4 +78,13 @@ transform = Transform3D(2, 0, 0, 0, 2, 0, 0, 0, 2, -0.122092836, 0.34972915, -0.
 shape = SubResource("BoxShape3D_8364l")
 debug_color = Color(0.9913104, 0, 0.27320355, 0.41960785)
 
+[node name="WeakPoint" type="Area3D" parent="." unique_id=1032610086]
+collision_layer = 8
+collision_mask = 0
+script = ExtResource("2_8ru0n")
+
+[node name="CollisionShape3D" type="CollisionShape3D" parent="WeakPoint" unique_id=950314743]
+transform = Transform3D(1, 0, 0, 0, 1, 0, 0, 0, 1, 0.9923661, 0.27572453, -0.0006608963)
+shape = SubResource("BoxShape3D_s5uvd")
+
 [connection signal="body_entered" from="Hurtbox" to="." method="_on_hurtbox_body_entered"]

enemies/police_car/weak_point.gd

@@ -0,0 +1,26 @@
+extends Area3D
+
+var parent: PoliceCar
+
+func _ready() -> void:
+	assert(get_parent() is PoliceCar)
+	parent = get_parent()
+
+func hit(projectile: PlayerProjectile) -> bool:
+	if projectile == null: return false
+
+	var angle := projectile.velocity.angle_to(-parent.velocity)
+	var weak_point_hit := rad_to_deg(angle) < 25.
+
+	if weak_point_hit:
+		var explosion := preload("res://player/explosion/explosion.tscn").instantiate()
+		explosion.position = parent.position
+		parent.add_sibling(explosion)
+
+		var label_vfx := preload("res://utils/label_vfx/label_vfx.tscn").instantiate()
+		label_vfx.position = parent.position
+		parent.add_sibling(label_vfx)
+
+		parent.queue_free()
+
+	return weak_point_hit

enemies/police_car/weak_point.gd.uid

@@ -0,0 +1 @@
+uid://c14x24qxx1wc3

player/explosion/explosion.tscn

@@ -0,0 +1,91 @@
+[gd_scene format=3 uid="uid://dwayva0yscri8"]
+
+[ext_resource type="Script" uid="uid://br3jskryab3if" path="res://player/explosion/hit_area.gd" id="1_yr3g8"]
+
+[sub_resource type="SphereMesh" id="SphereMesh_5mksp"]
+height = 0.5
+radial_segments = 8
+rings = 8
+is_hemisphere = true
+
+[sub_resource type="StandardMaterial3D" id="StandardMaterial3D_xpyis"]
+transparency = 1
+blend_mode = 1
+shading_mode = 0
+albedo_color = Color(1, 0, 0, 0.48235294)
+
+[sub_resource type="SphereShape3D" id="SphereShape3D_xpyis"]
+radius = 4.0949817
+
+[sub_resource type="Animation" id="Animation_yr3g8"]
+length = 0.001
+tracks/0/type = "value"
+tracks/0/imported = false
+tracks/0/enabled = true
+tracks/0/path = NodePath("Container:scale")
+tracks/0/interp = 1
+tracks/0/loop_wrap = true
+tracks/0/keys = {
+"times": PackedFloat32Array(0),
+"transitions": PackedFloat32Array(1),
+"update": 0,
+"values": [Vector3(1, 1, 1)]
+}
+
+[sub_resource type="Animation" id="Animation_xpyis"]
+resource_name = "explode"
+length = 0.5
+step = 0.5
+tracks/0/type = "value"
+tracks/0/imported = false
+tracks/0/enabled = true
+tracks/0/path = NodePath("Container:scale")
+tracks/0/interp = 1
+tracks/0/loop_wrap = true
+tracks/0/keys = {
+"times": PackedFloat32Array(0, 0.2, 0.5),
+"transitions": PackedFloat32Array(1, 1, 1),
+"update": 0,
+"values": [Vector3(0, 0, 0), Vector3(1, 1, 1), Vector3(0, 0, 0)]
+}
+tracks/1/type = "method"
+tracks/1/imported = false
+tracks/1/enabled = true
+tracks/1/path = NodePath(".")
+tracks/1/interp = 1
+tracks/1/loop_wrap = true
+tracks/1/keys = {
+"times": PackedFloat32Array(0.5),
+"transitions": PackedFloat32Array(1),
+"values": [{
+"args": [],
+"method": &"queue_free"
+}]
+}
+
+[sub_resource type="AnimationLibrary" id="AnimationLibrary_120gr"]
+_data = {
+&"RESET": SubResource("Animation_yr3g8"),
+&"explode": SubResource("Animation_xpyis")
+}
+
+[node name="Explosion" type="Node3D" unique_id=702514359]
+
+[node name="Container" type="Node3D" parent="." unique_id=1035655414]
+
+[node name="MeshInstance3D" type="MeshInstance3D" parent="Container" unique_id=509955843]
+transform = Transform3D(7.6891003, 0, 0, 0, 7.6891003, 0, 0, 0, 7.6891003, 0, 0, 0)
+mesh = SubResource("SphereMesh_5mksp")
+surface_material_override/0 = SubResource("StandardMaterial3D_xpyis")
+
+[node name="HitArea" type="Area3D" parent="Container" unique_id=468568433]
+collision_layer = 0
+collision_mask = 12
+script = ExtResource("1_yr3g8")
+
+[node name="CollisionShape3D" type="CollisionShape3D" parent="Container/HitArea" unique_id=837356976]
+shape = SubResource("SphereShape3D_xpyis")
+
+[node name="AnimationPlayer" type="AnimationPlayer" parent="." unique_id=893547695]
+libraries/ = SubResource("AnimationLibrary_120gr")
+autoplay = &"explode"

player/explosion/hit_area.gd

@@ -0,0 +1,10 @@
+extends Area3D
+
+func _on_collision(node: Node3D):
+	if node.has_method("hit"):
+		node.hit(null)
+
+func _ready() -> void:
+	body_entered.connect(_on_collision)
+	area_entered.connect(_on_collision)
+

player/explosion/hit_area.gd.uid

@@ -0,0 +1 @@
+uid://br3jskryab3if

player/player.gd

@@ -87,7 +87,7 @@ func _process_shoot(delta: float) -> void:
 	fire_clock -= delta * clock_mul
 	if Input.is_action_pressed("fire") and fire_clock <= 0.:
 		var dir := Vector3.RIGHT.rotated(Vector3.UP, aim_angle)
-		var player_projectile: PlayerProjectile = preload("player_projectile.tscn").instantiate()
+		var player_projectile: PlayerProjectile = preload("res://player/projectile/player_projectile.tscn").instantiate()
 		player_projectile.init(dir)
 		player_projectile.global_position = global_position + Vector3.UP * 0.5
 		add_sibling(player_projectile)

player/player.tscn

@@ -63,3 +63,26 @@ size_flags_horizontal = 10
 theme_override_font_sizes/font_size = 48
 text = "Health: 2"
 horizontal_alignment = 2
+
+[node name="StaminaBar" type="ProgressBar" parent="CanvasLayer" unique_id=961689130]
+unique_name_in_owner = true
+anchors_preset = 7
+anchor_left = 0.5
+anchor_top = 1.0
+anchor_right = 0.5
+anchor_bottom = 1.0
+offset_left = -162.0
+offset_top = -27.0
+offset_right = 162.0
+grow_horizontal = 2
+grow_vertical = 0
+max_value = 1.0
+show_percentage = false
+
+[node name="Label" type="Label" parent="CanvasLayer/StaminaBar" unique_id=1238654404]
+layout_mode = 0
+offset_left = 132.0
+offset_top = -27.0
+offset_right = 196.0
+offset_bottom = -4.0
+text = "Stamina"

player/projectile/player_projectile.gd

@@ -10,12 +10,14 @@ var health: int = 1:
 		if v == 0:
 			queue_free()
 
-func _ready() -> void:
+func _on_collision(node: Node3D):
-	body_entered.connect(func(body: Node3D):
+	if node.has_method("hit"):
-		if body.has_method("hit"):
+		if node.hit(self):
-			body.hit(self)
 			health -= 1
-	)
+
+func _ready() -> void:
+	body_entered.connect(_on_collision)
+	area_entered.connect(_on_collision)
 
 func init(dir: Vector3) -> void:
 	_initialized = true

utils/label_vfx/label_vfx.gd

@@ -0,0 +1,12 @@
+class_name LabelVFX
+extends Label3D
+
+func _ready() -> void:
+	create_tween().tween_property(self, "position:y", position.y + 10, 2.)
+	create_tween().tween_method((func(alpha: float):
+		modulate.a = alpha
+		outline_modulate.a = alpha
+	), 1., 0., 1.).set_delay(.5) \
+		.finished.connect(queue_free)
+
+

utils/label_vfx/label_vfx.gd.uid

@@ -0,0 +1 @@
+uid://cgu05sn2klmf2

utils/label_vfx/label_vfx.tscn

@@ -0,0 +1,12 @@
+[gd_scene format=3 uid="uid://cfgfg410c6qtc"]
+
+[ext_resource type="Script" uid="uid://cgu05sn2klmf2" path="res://utils/label_vfx/label_vfx.gd" id="1_6m140"]
+
+[node name="LabelVFX" type="Label3D" unique_id=1366577296]
+billboard = 1
+double_sided = false
+no_depth_test = true
+text = "Perfect!"
+font_size = 256
+outline_size = 96
+script = ExtResource("1_6m140")

world/building/building.gd

@@ -4,7 +4,7 @@ extends CollisionObject3D
 func _ready() -> void:
 	scale.y = randf_range(.5, 1.25)
 
-func hit(_proj: PlayerProjectile) -> void:
+func hit(_proj: PlayerProjectile) -> bool:
 	print("boom!")
 	SignalBus.building_destroyed.emit(self)
 	collision_layer = 1 # World collision only
@@ -13,3 +13,4 @@ func hit(_proj: PlayerProjectile) -> void:
 	%DestroyedMesh.show()
 	%GPUParticles3D.preprocess = randf()
 
+	return true

world/enemy_spawner.gd

@@ -7,7 +7,7 @@ func _get_spawn_pos() -> Vector3:
 	return curve.samplef(randf_range(0, curve.point_count))
 
 func _spawn_police_car(p: Vector3) -> void:
-	var car: Node3D = preload("police_car.tscn").instantiate()
+	var car: Node3D = preload("res://enemies/police_car/police_car.tscn").instantiate()
 	car.position = p + Vector3.UP * 0.1
 	add_sibling(car)