private void OnTriggerEnter2D(Collider2D collision) { if (collision.gameObject.tag == "red") { PlayerPrefs.SetInt("Score", PlayerPrefs.GetInt("Score") + 1); collision.gameObject.tag = "v"; } if (collision.gameObject.tag == "green") { PlayerPrefs.SetInt("Score", PlayerPrefs.GetInt("Score") - 1); collision.gameObject.tag = "v"; } if (PlayerPrefs.GetInt("Score") < 0) { PlayerPrefs.SetInt("Score", 0); } script = GetComponent <Destroy>(); script.Setup(collision.gameObject); }