Camera Tilt和Camera Offset效果，以及退出，重载功能

Assets/Scripts/StartMenu/StartMenuManager.cs

@@ -13,16 +13,7 @@ namespace Ichni.StartMenu
         
         private void Awake()
         {
-            if (instance == null)
-            {
-                instance = this;
-                DontDestroyOnLoad(gameObject);
-            }
-            else if (instance != this)
-            {
-                Destroy(gameObject);
-                return;
-            }
+            instance = this;
 
             Application.targetFrameRate = 90;
         }

Assets/Scripts/StartMenu/StartPage.cs

@@ -3,6 +3,7 @@ using System.Collections;
 using System.Collections.Generic;
 using DG.Tweening;
 using Michsky.MUIP;
+using TMPro;
 using UnityEngine;
 using UnityEngine.Serialization;
 using UnityEngine.UI;
@@ -12,9 +13,11 @@ namespace Ichni.StartMenu
     public partial class StartPage : StartMenuPage
     {
         public RectTransform background;
+        public TMP_Text logText;
 
         public ButtonManager createEmptyProjectButton;
         public Button editorSettingsButton;
+        public Button quitButton;
     }
 
     public partial class StartPage
@@ -50,6 +53,7 @@ namespace Ichni.StartMenu
         {
             createEmptyProjectButton.onClick.AddListener(GoToNewProjectPage);
             editorSettingsButton.onClick.AddListener(GoToEditorSettingsPage);
+            quitButton.onClick.AddListener(Application.Quit);
         }
         
         private void GoToNewProjectPage()