class_name Grenade extends RigidBody2D var timer = Timer.new() func _ready(): add_child(timer) timer.wait_time = 2 timer.one_shot = true timer.connect("timeout", explode) timer.start() func explode(): print("HEHEHE EXPLODE TIME") self.queue_free() func _on_body_entered(body): print("collision with grenade") if body.is_in_group("Destructable"): body.queue_free() explode()