clean up file structure

enemies/police_car/police_car.gd

@@ -0,0 +1,25 @@
+class_name PoliceCar
+extends CharacterBody3D
+
+@export var dot_curve: Curve
+
+func _physics_process(delta: float) -> void:
+	%NavAgent.target_position = Player.instance.global_position
+
+	var dir := global_position.direction_to(%NavAgent.get_next_path_position())
+	dir.y = 0
+	var dot_power := dot_curve.sample(dir.dot(velocity.normalized()))
+	velocity += dir * 8. * delta * dot_power
+	velocity = velocity.limit_length(8.)
+	move_and_slide()
+	
+	rotation.y = Vector2(velocity.x, -velocity.z).angle()
+
+func hit(_proj: PlayerProjectile):
+	queue_free()
+
+
+func _on_hurtbox_body_entered(body: Node3D) -> void:
+	if body is Player:
+		body.damage(self)
+