添加MainUI、MainScene脚本

Assets/Scripts/MainScene.cs

+using System.Collections;
+using System.Collections.Generic;
+using UnityEngine;
+
+public class MainScene : MonoBehaviour
+{
+
+    public static MainScene _mainScene;
+
+    // Start is called before the first frame update
+    void Start()
+    {
+        _mainScene = this;
+    }
+
+    // Update is called once per frame
+    void Update()
+    {
+        
+    }
+}

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Assets/Scripts/MainUI.cs

+using System.Collections;
+using System.Collections.Generic;
+using UnityEngine;
+using TMPro;
+using UnityEngine.UI;
+
+public class MainUI : MonoBehaviour
+{
+    // Start is called before the first frame update
+    void Start()
+    {
+        
+    }
+
+    //˳
+    public void quite()
+    {
+        Application.Quit();
+    }
+}

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