增加传送门逻辑

增加无敌时间

unity/Assets/enemy/GameSpawnManager.cs

@@ -19,6 +19,10 @@ namespace IndianOceanAssets.Engine2_5D
         [Tooltip("玩家预制体")]
         [SerializeField] GameObject playerPrefab;
 
+        [Header("传送门")]
+        [Tooltip("传送门/出口预制体（DoorPortal）")]
+        [SerializeField] GameObject doorPrefab;
+
         [Header("敌人配置")]
         [Tooltip("敌人预制体数组（enemy_01 ~ enemy_05）")]
         [SerializeField] GameObject[] enemyPrefabs;
@@ -93,7 +97,38 @@ namespace IndianOceanAssets.Engine2_5D
                 }
             }
 
-            // 2. 生成敌人
+            // 2. 生成传送门（选择离玩家最远的出生点）
+            if (doorPrefab != null && usedIndex < _allSpawnPoints.Count)
+            {
+                Vector3 playerPos = _spawnedPlayer != null ? _spawnedPlayer.transform.position : _allSpawnPoints[0].position;
+                Transform doorSpawn = null;
+                float maxDist = -1f;
+                for (int i = usedIndex; i < _allSpawnPoints.Count; i++)
+                {
+                    float dist = Vector3.Distance(_allSpawnPoints[i].position, playerPos);
+                    if (dist > maxDist)
+                    {
+                        maxDist = dist;
+                        doorSpawn = _allSpawnPoints[i];
+                    }
+                }
+                if (doorSpawn == null)
+                    doorSpawn = _allSpawnPoints[usedIndex];
+
+                int doorIdx = _allSpawnPoints.IndexOf(doorSpawn);
+                if (doorIdx != usedIndex)
+                {
+                    var temp = _allSpawnPoints[usedIndex];
+                    _allSpawnPoints[usedIndex] = _allSpawnPoints[doorIdx];
+                    _allSpawnPoints[doorIdx] = temp;
+                }
+                usedIndex++;
+
+                Instantiate(doorPrefab, doorSpawn.position, doorSpawn.rotation);
+                Debug.Log($"[GameSpawnManager] 传送门出生在 #{GetSpawnPointIndex(doorSpawn)} 位置=({doorSpawn.position.x:F1}, {doorSpawn.position.y:F1}, {doorSpawn.position.z:F1}) 距玩家={maxDist:F1}");
+            }
+
+            // 3. 生成敌人
             if (enemyPrefabs != null && enemyCounts != null)
             {
                 int prefabCount = Mathf.Min(enemyPrefabs.Length, enemyCounts.Length);
@@ -121,7 +156,7 @@ namespace IndianOceanAssets.Engine2_5D
                 }
             }
 
-            Debug.Log($"[GameSpawnManager] 生成完毕：1 个玩家 + {_spawnedEnemies.Count} 个敌人");
+            Debug.Log($"[GameSpawnManager] 生成完毕：1 个玩家 + {(doorPrefab != null ? "1 个传送门 + " : "")}{_spawnedEnemies.Count} 个敌人");
         }
 
         /// <summary>