是否可以使用脚本从父级获取游戏对象嵌套的子级？

Question

是否可以从 Parent 获取游戏对象 Nested Child ？

地图游戏对象如下：

ListProcess (ListProcessItem1) => item1 => 1 => ItemIcon

例如我正在使用此代码：

itemslot = GameObject.FindGameObjectWithTag ("ListProcessItem1").gameObject;
GameObject item = itemslot.gameObject.transform.GetChild(0).gameObject;
GameObject child = item.gameObject.transform.GetChild(0).gameObject;
GameObject sitemImage = child.gameObject.transform.GetChild(0).gameObject;

当我运行代码时出现错误：

UnityException: Transform child out of bounds
LakeMainProcess.generatePrize1 () (at Assets/script/fishing/LakeMainProcess.cs:48)
LakeMainProcess.Start () (at Assets/script/fishing/LakeMainProcess.cs:21)

注意： 我只能到达游戏对象（1）。游戏对象 ( ItemIcon ) 出错了。

我该如何解决？

Answer 1

用这个替换你的块：

Debug.Log("A " + GameObject.FindGameObjectWithTag ("ListProcessItem1") == null);
var itemslot = GameObject.FindGameObjectWithTag ("ListProcessItem1").gameObject;

Debug.Log("B " + itemslot.gameObject.transform.GetChild(0) == null);
GameObject item = itemslot.gameObject.transform.GetChild(0).gameObject;

Debug.Log("C " + item.gameObject.transform.GetChild(0) == null);
GameObject child = item.gameObject.transform.GetChild(0).gameObject;

Debug.Log("D " + child.gameObject.transform.GetChild(0) == null);
GameObject sitemImage = child.gameObject.transform.GetChild(0).gameObject;

它会告诉你找不到什么对象。我敢打赌它是FindGameObjectWithTag，你确定这个对象有这个确切的标签吗？

或者更简单地使用：

var ico = GameObject.FindGameObjectWithTag("ListProcessItem1").transform.FindChild("item1/1/ItemIcon").GetComponent<WhateverYouNeed>();