编队系统大更新 基本快搞好了 准备做敌人和分数

Assets/scripts/UI/PauseManager.cs

@@ -1,5 +1,9 @@
 using UnityEngine;
 using System;
+using UnityEngine.SceneManagement;
+#if UNITY_EDITOR
+using UnityEditor;
+#endif
 
 /// <summary>
 /// Simple pause manager. Call Pause(true) to pause or Pause(false) to resume.
@@ -32,10 +36,30 @@ public class PauseManager : MonoBehaviour
 
     void Update()
     {
+        // Delete = immediate quit (stop play in editor or quit app)
+        if (Input.GetKeyDown(KeyCode.Delete))
+        {
+#if UNITY_EDITOR
+            EditorApplication.isPlaying = false;
+#else
+            Application.Quit();
+#endif
+            return;
+        }
+
         if (Input.GetKeyDown(KeyCode.Escape))
         {
             TogglePause();
         }
+
+        // 当处于暂停状态且按下 Backspace 时返回主界面
+        if (IsPaused && Input.GetKeyDown(KeyCode.Backspace))
+        {
+            // 恢复时间流并触发事件，然后加载主场景
+            Pause(false);
+            // 确保场景名称与项目中的主场景匹配
+            SceneManager.LoadScene("Main_main");
+        }
     }
 
     /// <summary>