Even more changes.

objects/npcs/zombie.tscn

@@ -1,8 +1,9 @@
-[gd_scene load_steps=28 format=3 uid="uid://enj7slqj7o2o"]
+[gd_scene load_steps=29 format=3 uid="uid://enj7slqj7o2o"]
 
 [ext_resource type="Texture2D" uid="uid://c8v7mt7kbv7k5" path="res://objects/npcs/zombie.png" id="1_8psf6"]
 [ext_resource type="Script" uid="uid://bw8t7n771m0b4" path="res://objects/npcs/zombie.gd" id="1_qml1x"]
 [ext_resource type="Script" uid="uid://bsveyr6o3li86" path="res://objects/npcs/zombie_sprite.gd" id="3_8bxsl"]
+[ext_resource type="Script" uid="uid://e6q7q0ljb34u" path="res://scripts/state_collision.gd" id="4_8svax"]
 
 [sub_resource type="AtlasTexture" id="AtlasTexture_qml1x"]
 atlas = ExtResource("1_8psf6")
@@ -201,3 +202,7 @@ shape = SubResource("CapsuleShape2D_8psf6")
 position = Vector2(10, -11.5)
 shape = SubResource("RectangleShape2D_8bxsl")
 debug_color = Color(0.9942227, 0, 0.23271917, 0.41960785)
+
+[node name="CollisionState2D" type="CollisionShape2D" parent="Area2D"]
+script = ExtResource("4_8svax")
+metadata/_custom_type_script = "uid://e6q7q0ljb34u"

objects/npcs/zombie_sprite.gd

@@ -7,5 +7,5 @@ func _ready() -> void:
 
 
 # Called every frame. 'delta' is the elapsed time since the previous frame.
-func _process(delta: float) -> void:
+func _process(_delta: float) -> void:
 	pass