好多新内容

Assets/scripts/gamePlay_gameplay/NoteController.cs

@@ -9,6 +9,11 @@ public class NoteController : MonoBehaviour
     private ParticleSystem hitEffect;
     private Note linkedNote;
     private bool useAbsolutePositioning = false;
+
+    // 去物理判定：用几何阈值复现原 Trigger 的进入/离开时刻。
+    private Collider2D _col;
+    private float _enterY, _exitY;
+    private bool _thresholdsReady;
     
     // For absolute position tracking instead of relative translate
     private Vector3 spawnPosition;
@@ -20,6 +25,12 @@ public class NoteController : MonoBehaviour
         hitEffect = GetComponentInChildren<ParticleSystem>();
         linkedNote = GetComponent<Note>();
         spawnPosition = transform.position;
+        _col = GetComponent<Collider2D>();
+        // 去物理判定：判定改为几何驱动，音符不再需要 Physics2D 模拟。
+        // 关闭 Rigidbody2D 模拟，消除每帧移动 kinematic 刚体触发的物理同步/重叠检测开销。
+        // 保留 Collider 组件本身(仅用于读取其 bounds 计算阈值，不参与物理)。
+        var rb = GetComponent<Rigidbody2D>();
+        if (rb != null) rb.simulated = false;
     }
 
     private void Update()
@@ -29,12 +40,41 @@ public class NoteController : MonoBehaviour
             // Use absolute positioning based on elapsed time since activation
             float elapsedSinceActivation = GameplayClock.NowSongTime - activationTime;
             float travelDistance = speed * Mathf.Max(0f, elapsedSinceActivation);
-            
+
             // Position = spawnPoint + initial offset + downward travel
             Vector3 newPos = spawnPosition;
             newPos.y -= (baseSpawnYOffset + travelDistance);
             transform.position = newPos;
         }
+
+        // 去物理判定：用音符 Y 与阈值的比较复现 OnTriggerEnter2D/Exit2D 的进入/离开时刻。
+        UpdateJudgeZoneByGeometry();
+    }
+
+    private void UpdateJudgeZoneByGeometry()
+    {
+        if (linkedNote == null) return;
+        if (!_thresholdsReady)
+        {
+            // 判定线捕获后，用音符自身 collider 计算进入/离开阈值(只算一次)。
+            if (!JudgeZoneGeometry.LineReady) return;
+            if (!JudgeZoneGeometry.TryGetThresholds(_col, transform, out _enterY, out _exitY)) return;
+            _thresholdsReady = true;
+        }
+
+        float noteY = transform.position.y;
+        // 进入：noteY 下降到 ≤ enterY 且尚未进入。
+        if (!isInJudgeZone && noteY <= _enterY)
+        {
+            EnterJudgeZone();
+            // 单帧穿透(帧尖峰导致一帧内越过整个判定区)：立即补一次离开，行为与物理一致。
+            if (noteY <= _exitY) ExitJudgeZone();
+        }
+        // 离开：noteY 继续下降到 ≤ exitY 且当前在区内。
+        else if (isInJudgeZone && noteY <= _exitY)
+        {
+            ExitJudgeZone();
+        }
     }
 
     public void SetSpeed(float newSpeed)
@@ -89,6 +129,7 @@ public class NoteController : MonoBehaviour
         baseSpawnYOffset = 0f;
         spawnPosition = transform.position;
         useAbsolutePositioning = false;
+        _thresholdsReady = false; // 池化复用：下次重新计算阈值。
         
         if (hitEffect != null)
         {
@@ -97,31 +138,23 @@ public class NoteController : MonoBehaviour
         }
     }
 
-    private void OnTriggerEnter2D(Collider2D collision)
+    // 进入判定区(原 OnTriggerEnter2D 逻辑，保持完全一致)。
+    private void EnterJudgeZone()
     {
-        if (collision.CompareTag("JudgmentLine"))
-        {           
-            if (linkedNote != null)
-            {
-                isInJudgeZone = true;
-                // register note by instance id so TrackKeyManager can prioritize
-                // tap notes are short notes without hold
-                TrackKeyManager.Instance.RegisterKey(linkedNote.GetTrackIndex(), linkedNote.gameObject.GetInstanceID().ToString(), "tap", linkedNote.HitTime);
-            }
-        }
+        if (linkedNote == null) return;
+        isInJudgeZone = true;
+        // register note by instance id so TrackKeyManager can prioritize
+        // tap notes are short notes without hold
+        TrackKeyManager.Instance.RegisterKey(linkedNote.GetTrackIndex(), linkedNote.GetCachedInstanceId(), "tap", linkedNote.HitTime);
     }
 
-    private void OnTriggerExit2D(Collider2D collision)
+    // 离开判定区(原 OnTriggerExit2D 逻辑，保持完全一致)。
+    private void ExitJudgeZone()
     {
-        if (collision.CompareTag("JudgmentLine"))
-        {
-            if (linkedNote != null)
-            {
-                isInJudgeZone = false;
-                TrackKeyManager.Instance.UnregisterKey(linkedNote.GetTrackIndex(), linkedNote.gameObject.GetInstanceID().ToString());
-                linkedNote.SetJudgeZone(isInJudgeZone);
-            }
-        }
+        if (linkedNote == null) return;
+        isInJudgeZone = false;
+        TrackKeyManager.Instance.UnregisterKey(linkedNote.GetTrackIndex(), linkedNote.GetCachedInstanceId());
+        linkedNote.SetJudgeZone(isInJudgeZone);
     }
 
     /// <summary>