[유니티] UI Button 무효화 / Sprite 바꾸기

Button 무효화

public GameObject restartBtn

void Update()
{
	Button bt = restartBtn.GetComponent<Button>();
            bt.interactable = false;
}

Sprite 바꾸기

public GameObject mainImage;
public Sprite gameClearSpr;

void Update()
{
	mainImage.GetComponent<Image>().sprite = gameClearSpr;​
}