好多新内容

Assets/scripts/gamePlay_gameplay/HoldNoteController.cs

@@ -5,34 +5,86 @@ public class HoldNoteController : MonoBehaviour
 {
     private bool isInsideJudgeZone = false;
     public event Action<bool> OnJudgeZoneChanged;
+    // 去物理判定：几何驱动的进入/离开回调(替代 HoldNote 自身的 OnTriggerEnter2D/Exit2D)。
+    public event Action OnZoneEnterGeometry;
+    public event Action OnZoneExitGeometry;
     private bool isMoving = false;
     private float speed = 0f;
     private float activationTime;
 
+    // 去物理判定：用几何阈值复现 Trigger 进入/离开时刻。
+    private Collider2D _col;
+    private float _enterY, _exitY;
+    private bool _thresholdsReady;
+
     // Absolute positioning for hold segments (keeps segments connected under frame spikes)
     private bool useAbsolutePositioning = false;
     private Vector3 spawnPosition;
     private float baseSpawnYOffset = 0f; // can be negative to offset upward for delayed segments
     private float visualOffset = 0f;    // additional Y offset for visual compensation
 
+    private void Awake()
+    {
+        _col = GetComponent<Collider2D>();
+        // 去物理判定：关闭 Rigidbody2D 模拟，消除每帧移动刚体的物理开销(判定改几何驱动)。
+        var rb = GetComponent<Rigidbody2D>();
+        if (rb != null) rb.simulated = false;
+    }
+
     private void Update()
     {
         if (useAbsolutePositioning)
         {
-            if (!isMoving) return;
-            ApplyAbsolutePosition(GameplayClock.NowSongTime);
-            return;
+            if (isMoving) ApplyAbsolutePosition(GameplayClock.NowSongTime);
+        }
+        else
+        {
+            // Start moving after activation time in legacy mode
+            if (!isMoving && GameplayClock.NowSongTime >= activationTime)
+            {
+                isMoving = true;
+            }
+
+            if (isMoving)
+            {
+                transform.Translate(Vector3.down * speed * Time.deltaTime);
+            }
         }
 
-        // Start moving after activation time in legacy mode
-        if (!isMoving && GameplayClock.NowSongTime >= activationTime)
+        // 去物理判定：用几何阈值复现进入/离开判定区(替代 OnTriggerEnter2D/Exit2D)。
+        UpdateJudgeZoneByGeometry();
+    }
+
+    private void UpdateJudgeZoneByGeometry()
+    {
+        if (!_thresholdsReady)
         {
-            isMoving = true;
+            if (!JudgeZoneGeometry.LineReady) return;
+            if (_col == null) _col = GetComponent<Collider2D>();
+            if (!JudgeZoneGeometry.TryGetThresholds(_col, transform, out _enterY, out _exitY)) return;
+            _thresholdsReady = true;
         }
 
-        if (isMoving)
+        float noteY = transform.position.y;
+        if (!isInsideJudgeZone && noteY <= _enterY)
         {
-            transform.Translate(Vector3.down * speed * Time.deltaTime);
+            isInsideJudgeZone = true;
+            // 顺序与原物理一致：先置 hasEnteredLine(OnJudgeZoneChanged)，再跑 HoldNote 分段逻辑。
+            OnJudgeZoneChanged?.Invoke(true);
+            OnZoneEnterGeometry?.Invoke();
+            // 单帧穿透：一帧内越过整个判定区，立即补离开，行为与物理一致。
+            if (noteY <= _exitY)
+            {
+                isInsideJudgeZone = false;
+                OnJudgeZoneChanged?.Invoke(false);
+                OnZoneExitGeometry?.Invoke();
+            }
+        }
+        else if (isInsideJudgeZone && noteY <= _exitY)
+        {
+            isInsideJudgeZone = false;
+            OnJudgeZoneChanged?.Invoke(false);
+            OnZoneExitGeometry?.Invoke();
         }
     }
 
@@ -88,20 +140,13 @@ public class HoldNoteController : MonoBehaviour
         visualOffset = 0f;
     }
 
-    private void OnTriggerEnter2D(Collider2D collision)
+    // 去物理判定：进入/离开判定区改由 UpdateJudgeZoneByGeometry 驱动，原 OnTrigger 回调移除。
+
+    // 池化复用时重置几何判定状态。
+    public void ResetJudgeZoneGeometry()
     {
-        if (!collision.CompareTag("JudgmentLine")) return;
-
-        isInsideJudgeZone = true;
-        OnJudgeZoneChanged?.Invoke(true);
-    }
-
-    private void OnTriggerExit2D(Collider2D collision)
-    {
-        if (!collision.CompareTag("JudgmentLine")) return;
-
         isInsideJudgeZone = false;
-        OnJudgeZoneChanged?.Invoke(false);
+        _thresholdsReady = false;
     }
 
     public bool IsInsideJudgArea()