rat hole tweaks

scripts/rat_hole.gd

@@ -5,14 +5,14 @@ class_name RatHole
 @onready var spawnpos: Marker3D = $spawnpos
 @onready var area_3d = $Area3D
 
-func spawn_rat(end_hole):
+func spawn_rat(end_hole,number_of_pickups):
 	var spawn_rat = rat.instantiate()
 	spawn_rat.position = spawnpos.global_position
 	spawn_rat.end_hole = end_hole
+	spawn_rat.number_of_drops = number_of_pickups
 	get_parent().add_child(spawn_rat)
 
 func _on_area_3d_body_entered(body):
-	if body.is_in_group("rat"):
+	if body is Rat:
 		if body.end_hole == self:
-			#body.control_node.spawn_amount += 1 #signal to control node that another rat can enter the scene
 			body.queue_free()