备份，准备做双端

Assets/scripts/gamePlay_gameplay/globalNoteEffect.cs

@@ -213,9 +213,20 @@ public class globalNoteEffect : MonoBehaviour
         if (shake.timeSettings.fadeOutCurve == null || shake.timeSettings.fadeOutCurve.length == 0)
             shake.timeSettings.fadeOutCurve = AnimationCurve.Linear(0f, 1f, 1f, 0f);
 
-        shake.shakers = new[] { shake.positionShake, shake.rotationShake };
-        shake.sum = new Vector3[2];
-        shake.StartShake();
+        // 复用内部数组,仅在缺失/尺寸不符时重建,避免每次(近乎每音符)相机震动都分配两个数组。
+        if (shake.shakers == null || shake.shakers.Length != 2)
+            shake.shakers = new[] { shake.positionShake, shake.rotationShake };
+        if (shake.sum == null || shake.sum.Length != 2)
+            shake.sum = new Vector3[2];
+
+        try
+        {
+            shake.StartShake();
+        }
+        catch (System.Exception ex)
+        {
+            Debug.LogWarning($"[globalNoteEffect] Camera shake failed (check shake asset references in Inspector): {ex.Message}");
+        }
     }
 
     private void TriggerFlashBlink()