スコア加点処理 #unity

score.cs

//コントローラー用（別々のスクリプト）
int score = 0;
	GameObject scoreText;

	public void AddScore(){
		this.score += 10;
	}

	void Start () {
		this.scoreText = GameObject.Find ("Score");
	}

	void Update () {
		scoreText.GetComponent<Text> ().text = "Score:" + score.ToString("D4");
	}

//衝突処理用
void OnCollisionEnter(Collision collision){
  Destroy(collision.gameObject);
  Destroy(this.gameObject);
}