Unity类银河恶魔城学习记录12-6 p128 Switch UI with Keyboard源代码

Alex教程每一P的教程原代码加上我自己的理解初步理解写的注释，可供学习Alex教程的人参考
此代码仅为较上一P有所改变的代码

【Unity教程】从0编程制作类银河恶魔城游戏_哔哩哔哩_bilibili

UI.cs

using UnityEngine;

public class UI : MonoBehaviour
{
    [SerializeField] private GameObject characterUI;
    [SerializeField] private GameObject skillTreeUI;
    [SerializeField] private GameObject craftUI;
    [SerializeField] private GameObject optionsUI;

    public UI_itemTooltip itemToolTip;
    public UI_statToolTip statToopTip;

    public void Start()
    {
        SwitchTo(null);
        itemToolTip.gameObject.SetActive(false);
        statToopTip.gameObject.SetActive(false);
    }

    private void Update()
    {
        if(Input.GetKeyDown(KeyCode.C))
        {
            SwitchWithKeyTo(characterUI);
        }

        if(Input.GetKeyDown(KeyCode.B))
        {
            SwitchWithKeyTo(craftUI);
        }

        if(Input.GetKeyDown(KeyCode.K))
        {
            SwitchWithKeyTo(skillTreeUI);
        }

        if(Input.GetKeyDown(KeyCode.O))
        {
            SwitchWithKeyTo(optionsUI);
        }    
    }

    public void SwitchTo(GameObject _menu)//切换窗口函数
    {
        for (int i = 0; i < transform.childCount; i++)
        {
            transform.GetChild(i).gameObject.SetActive(false);
        }

        if (_menu != null)
        {
            _menu.SetActive(true);
        }
    }

    public void SwitchWithKeyTo(GameObject _menu)//键盘切换窗口函数
    {
        if (_menu != null && _menu.activeSelf)//通过判断是否传入mune和mune是否激活来决定使设置为可视或不可使
        {
            _menu.SetActive(false);
            return;
        }

        SwitchTo(_menu);
    }
}