unity实现动态排行榜

 /// <summary>
    /// 生成UI元素
    /// </summary>
    public void CreateNewLine(PlayerNode tmp)
    {
        //法1：通过GameObject
        //法2：通过预制件
        GameObject l = Instantiate(line);
        l.transform.SetParent(transform);
        l.transform.GetChild(0).GetComponent<Text>().text = tmp.Rank.ToString();
        l.transform.GetChild(1).GetComponent<Text>().text = tmp.Name;
        l.transform.GetChild(2).GetComponent<Text>().text = tmp.Score.ToString();
    }

    public void updateRank(List<PlayerNode> players)
    {
        for(int i = 0; i < transform.childCount; i++)
        {
            //Destroy(transform.GetChild(i).gameObject);
            Transform l = transform.GetChild(i);
            l.GetChild(0).GetComponent<Text>().text = players[i].Rank.ToString();
            l.GetChild(1).GetComponent<Text>().text = players[i].Name;
            l.GetChild(2).GetComponent<Text>().text = players[i].Score.ToString();
        }
        //for(int i = 0; i < players.Count; i++)
        //{
        //    CreateNewLine(players[i]);
        //}
}

public class PlayerNode
    {
        public string Name { get; set; }
        public int Score { get; set; }
        public int Rank { get; set; }

        public PlayerNode(string name, int score, int rank) : this()
        {
            this.Name = name;
            this.Score = score;
            this.Rank = rank;
        }

        public PlayerNode()
        {
        }
}

public List<PlayerNode> players = new List<PlayerNode>(); 

 /// <summary>
    /// 当点击登录时
    /// </summary>
    public void Load()
    {
        if (inputField.text != null)
        {
            PlayerNode tmp = new PlayerNode(inputField.text, int.Parse(GC.NowScore.text), 1);
            rc.CreateNewLine(tmp);
            if (isFirst)//如果是第一次插入
            {
                players.Add(tmp);
                isFirst = false;
            }
            else
            {
                int rankIndex = 0;
                for (int i = 0; i < players.Count; i++)
                {
                    if (tmp.Score > players[i].Score)
                    {
                        rankIndex = i;
                        tmp.Rank = i + 1;
                        players.Insert(rankIndex, tmp);
                        rankIndex = i + 1;
                        break;
                    }
                }
                if (rankIndex == 0)
                {
                    tmp.Rank = players.Count + 1;
                    players.Insert(players.Count, tmp);
                }
                else
                {
                    for (int i = rankIndex; i < players.Count; i++)
                    {
                        players[i].Rank = players[i - 1].Rank + 1;
                    }
                }
            }
            rc.updateRank(players);
        }
        //if (players.Count > 2)
        //{
        //    for(int i = 0; i < players.Count; i++)
        //    {
        //        print(players[i].Rank + "-" + players[i].Name + "-" + players[i].Score);
        //    }
        //}
        gameObject.SetActive(false);
    }
}