WIP: Currently I'm not sure how to do it

scripts/player/player_input_controller.gd

@@ -130,6 +130,12 @@ func _rotate_camera(sens_mod: float = 1.0) -> void:
 	rotation.y -= look_dir.x * camera_sens * sens_mod
 	first_view_camera_mount.rotation.x = clamp(first_view_camera_mount.rotation.x - look_dir.y * camera_sens * sens_mod, -1.5, 1.5)
 
+@onready var health_indicator = $FirstPersonCameraMount/HUD/HealthIndicator
+func _process(delta: float) -> void:
+	health_indicator.text = str(health)
+	if health == 0:
+		queue_free()
+	
 func _physics_process(delta: float) -> void:
 	# Add the gravity.
 	if not is_on_floor():
@@ -169,6 +175,8 @@ func _shoot():
 		var collider := aim_ray.get_collider()
 		if collider != null and collider.is_in_group("target"):
 			aim_ray.get_collider().take_damage()
+		if collider != null and collider.is_in_group("body"):
+			collider.hit()
 	var root := get_tree().get_root()
 	gun_with_hands.shoot()
 
@@ -198,3 +206,6 @@ func _hit_scan_collision(collision_point):
 func _hit_scan_damage(Collider):
 	#if Collider.is_in_group("target") and Collider.has_method("take_damage"):
 	print("damaged")
+
+func take_damage(dam: int):
+	health =- dam