好多新内容

Assets/scripts/gamePlay_gameplay/TrackTouchInput.cs

@@ -68,6 +68,11 @@ public class TrackTouchInput : MonoBehaviour
 
     private void Update()
     {
+#if UNITY_STANDALONE_WIN || UNITY_EDITOR_WIN
+        // Windows 平台：禁用轨道点击/触摸轮询，只依赖按键输入。
+        // 编辑器(Win)也一并禁用，便于在 PC 上以键盘方式测试真实 Windows 行为。
+        return;
+#else
         var im = InputManager.Instance;
         if (im == null) return;
 
@@ -80,6 +85,7 @@ public class TrackTouchInput : MonoBehaviour
         {
             ProcessMouse(im, cam);
         }
+#endif
     }
 
     /// <summary>处理所有并发触点，返回本帧触点数量。</summary>
@@ -198,6 +204,7 @@ public class TrackTouchInput : MonoBehaviour
     /// </summary>
     private int ResolveTrack(Camera cam, Vector2 screenPos)
     {
+        EnsureOverlapFilter();
         Vector2 point;
 
         if (forceOrthographicMode || cam.orthographic)
@@ -222,12 +229,58 @@ public class TrackTouchInput : MonoBehaviour
             point = new Vector2(world.x, world.y);
         }
 
-        Collider2D hit = Physics2D.OverlapPoint(point, hitLayers);
-        if (hit == null) return -1;
+        // 用 OverlapPointAll 遍历所有命中的碰撞体，挑出带 TrackTouchZone 的那个。
+        // 关键修复：判定线附近同一屏幕点常密集着 note 的 Collider2D 与 judgeline 触发器，
+        // 单值版 OverlapPoint 只返回其中一个，若不是 tap zone 就丢判定(=点了轨道却没反应)。
+        // 遍历全部命中即可穿透这些遮挡，可靠找到轨道点击区。
+        int count = Physics2D.OverlapPoint(point, _overlapFilter, _overlapResults);
+        for (int i = 0; i < count; i++)
+        {
+            Collider2D hit = _overlapResults[i];
+            if (hit == null) continue;
+            TrackTouchZone zone = hit.GetComponent<TrackTouchZone>();
+            if (zone == null) zone = hit.GetComponentInParent<TrackTouchZone>();
+            if (zone != null) return zone.trackIndex;
+        }
 
-        TrackTouchZone zone = hit.GetComponent<TrackTouchZone>();
-        if (zone == null) zone = hit.GetComponentInParent<TrackTouchZone>();
-        return zone != null ? zone.trackIndex : -1;
+        // 兜底：没有精确命中任何 zone(点落在轨道间缝隙或紧邻边缘)。
+        // 取横向最近的 zone，只要触点在其 Collider 的纵向范围内即算命中——
+        // 等效于把相邻轨道点击区在横向补满、消除缝隙，且不误触远离轨道区的点击。
+        return ResolveNearestZone(point);
+    }
+
+    // 横向最近轨道兜底：在所有 zone 中找触点纵向落在其包围盒内、且横向距离最近的一个。
+    private int ResolveNearestZone(Vector2 point)
+    {
+        var zones = TrackTouchZone.All;
+        int best = -1;
+        float bestDist = float.MaxValue;
+        for (int i = 0; i < zones.Count; i++)
+        {
+            TrackTouchZone z = zones[i];
+            if (z == null || z.Collider == null) continue;
+            Bounds b = z.Collider.bounds;
+            // 纵向必须落在该点击区范围内(留一点容差)，避免点屏幕别处也触发轨道。
+            if (point.y < b.min.y - 0.1f || point.y > b.max.y + 0.1f) continue;
+            float dx = Mathf.Abs(point.x - b.center.x);
+            if (dx < bestDist) { bestDist = dx; best = z.trackIndex; }
+        }
+        return best;
+    }
+
+    // OverlapPoint 的复用缓冲与过滤器(避免每次触摸分配 GC)。
+    private static readonly Collider2D[] _overlapResults = new Collider2D[16];
+    private ContactFilter2D _overlapFilter;
+    private bool _filterReady;
+
+    private void EnsureOverlapFilter()
+    {
+        if (_filterReady) return;
+        _overlapFilter = new ContactFilter2D();
+        _overlapFilter.useLayerMask = true;
+        _overlapFilter.SetLayerMask(hitLayers);
+        _overlapFilter.useTriggers = true; // tap zone 可能是触发器，需包含
+        _filterReady = true;
     }
 
     private void OnDisable()