简单地利用单例模式访问其他类

最新推荐文章于 2022-02-08 16:41:58 发布

原创最新推荐文章于 2022-02-08 16:41:58 发布 · 314 阅读

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public class FoodMaker : MonoBehaviour {

    //以下部分返回该类的对象 单例模式
    private static FoodMaker _instance;
    public static FoodMaker instance
    {
        get
        {
            return _instance;
        }
    }

 ...

    void Awake()
    {
        _instance = this;
    }

  ...

   public void MakeFood()
    {
        int index = Random.Range(0, foodSprites.Length -1);
        GameObject food = Instantiate(foodPrefeb);
        food.GetComponent<Image>().sprite = foodSprites[index];
        food.transform.SetParent(foodHolder, false);
        int x = Random.Range(-xlim + offset, xlim);
        int y = Random.Range(-ylim, ylim);
        food.transform.localPosition = new Vector3(30 * x, 30 * y, 0);
    }
}



//在其他类中调用
 private void OnTriggerEnter2D(Collider2D collision)
    {
        if (collision.tag == "Food")
        {
            Destroy(collision.gameObject);
            FoodMaker.instance.MakeFood();
        }
    }