public static int GetRandomRangeNoRe2(int x, int y, int[] array = null)
    {

        if (array == null)
        {
            return UnityEngine.Random.Range(x, y);
        }
        else
        {
            List<int> list = new List<int>();
            for (int i = x; i < y; i++)
            {
                list.Add(i);
            }
            List<int> aList = new List<int>(array);
            list.RemoveAll(m => m == aList.Find(n => n == m));
            int z = UnityEngine.Random.Range(0, list.Count);

            return list[z];
        }
    }