added bullet damage into hit system

scripts/EnemyTarget.gd

@@ -2,7 +2,7 @@ extends Area3D
 
 @export var damage :=1
 
-signal body_part_hit(dam)
+signal body_part_hit(dam,bullet_damage)
 
 # Called when the node enters the scene tree for the first time.
 func _ready():
@@ -13,5 +13,5 @@ func _ready():
 func _process(delta):
 	pass
 
-func hit():
-	emit_signal("body_part_hit", damage)
+func hit(bullet_damage):
+	emit_signal("body_part_hit", damage, bullet_damage)