My first 3D game with Godot 4.4

mob/bat_mob.gd

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+extends RigidBody3D
+
+signal died
+
+@onready var bat_model: Node3D = %bat_model
+@onready var player: CharacterBody3D = get_node("/root/Game/Player")
+@onready var corpse_timer: Timer = $CorpseTimer
+@onready var hurt_box: Area3D = %HurtBox
+
+var speed = randf_range(2.0, 4.0)
+var health = 100.0
+
+func take_damage(damage: float = 25.0) -> void:
+	if is_zero_approx(health):
+		return	# catch shooting mob on ground and stopping it from despawning
+	else:
+		%HurtSound.play()
+		bat_model.hurt()
+		health = clampf((health - damage), 0.0, health)
+		
+		if is_zero_approx(health):
+			# TODO: do more with this
+			set_physics_process(false)
+			gravity_scale = 1.0
+			%DieSound.play()
+			
+			var die_direction = global_position.direction_to(player.global_position) * -1.0
+			var blerg_force = Vector3.UP * randf_range(2.0, 5.0)
+			apply_central_impulse(die_direction * 8.0 + blerg_force)
+			
+			died.emit()
+			corpse_timer.start()
+		
+func _on_corpse_timer_timeout() -> void:
+	queue_free()
+	
+func _physics_process(delta: float) -> void:
+	var direction: Vector3 = global_position.direction_to(player.global_position)
+	direction.y = 0.0
+	linear_velocity = direction * speed
+	bat_model.rotation.y = Vector3.MODEL_FRONT.signed_angle_to(direction, Vector3.UP)
+	
+	var targets = hurt_box.get_overlapping_bodies()
+	if not targets.is_empty():
+		for t in targets:
+			if t.has_method("hurt"):
+				t.hurt(5*delta)