class_name Grenade extends RigidBody2D var timer = Timer.new() func _ready() -> void: add_child(timer) #how long timer.wait_time = 2 #one time onlu timer.one_shot = true timer.connect("timeout",explode) timer.start() func explode()->void: print('ima spolde') self.queue_free() func _on_body_entered(body: Node) -> void: print("collision w Grenade!!") if body.is_in_group("destructible"): body.queue_free() explode()