成就系统 巨大修改 新的ui 黑白效果 等一堆

Assets/scripts/gamePlay_gameplay/HoldNoteController.cs

@@ -6,12 +6,24 @@ public class HoldNoteController : MonoBehaviour
     private bool isInsideJudgeZone = false;
     public event Action<bool> OnJudgeZoneChanged;
     private bool isMoving = false;
-    private float speed = 0f;         // 运动速度
-    private float activationTime;     // 何时开始移动（Time.time 基准）
+    private float speed = 0f;
+    private float activationTime;
+
+    // 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 void Update()
     {
-        // 到达激活时间后开始移动
+        if (useAbsolutePositioning)
+        {
+            if (!isMoving) return;
+            ApplyAbsolutePosition(Time.time);
+            return;
+        }
+
+        // Start moving after activation time in legacy mode
         if (!isMoving && Time.time >= activationTime)
         {
             isMoving = true;
@@ -24,26 +36,24 @@ public class HoldNoteController : MonoBehaviour
     }
 
     /// <summary>
-    /// 设置该段的“到达判定线的目标时间”(hitTime) 与分段延迟(delay)，并由此推导移动开始时间。
-    /// 注意：这里必须使用与 HoldNote.hitTime 一致的时间基准（NoteSpawner 传入的谱面实时点），
-    /// 否则用 Time.time + delay 会在首段/暂停/开歌延迟时产生系统性错位，导致永远 Miss。
+    /// Configure legacy timing (per-segment activation).
     /// </summary>
     public void ConfigureTiming(float baseHitTime, float segmentDelay, float travelTime)
     {
-        // baseHitTime = startTime + noteData.time (+ globalHitDelay)
         float hitTime = baseHitTime + segmentDelay;
         activationTime = hitTime - travelTime;
         isMoving = false;
+        useAbsolutePositioning = false;
     }
 
     /// <summary>
-    /// 兼容旧接口：不推荐。旧版用 Time.time 会导致时间基准不一致。
+    /// Legacy delay setter (not recommended).
     /// </summary>
     public void SetSegmentDelay(float segmentDelay)
     {
-        // Fallback to old behavior if caller didn't use ConfigureTiming.
         activationTime = Time.time + segmentDelay;
         isMoving = false;
+        useAbsolutePositioning = false;
     }
 
     public void SetSpeed(float newSpeed)
@@ -51,6 +61,23 @@ public class HoldNoteController : MonoBehaviour
         speed = newSpeed;
     }
 
+    /// <summary>
+    /// Configure absolute positioning for hold segments so they stay connected.
+    /// spawnPoint should be the original spawn point for the lane.
+    /// baseSpawnYOffset is applied to keep delayed segments offset upward (can be negative).
+    /// </summary>
+    public void ConfigureAbsolutePositioning(Vector3 spawnPoint, float newActivationTime, float spawnYOffset)
+    {
+        spawnPosition = spawnPoint;
+        activationTime = newActivationTime;
+        baseSpawnYOffset = spawnYOffset;
+        useAbsolutePositioning = true;
+        isMoving = true;
+
+        // Snap immediately to the expected position to avoid a 1-frame pop.
+        ApplyAbsolutePosition(Time.time);
+    }
+
     public void StopMovement()
     {
         isMoving = false;
@@ -79,4 +106,17 @@ public class HoldNoteController : MonoBehaviour
 
     public float ActivationTime => activationTime;
     public float CurrentSpeed => speed;
+    public bool UsesAbsolutePositioning => useAbsolutePositioning;
+    public float BaseSpawnYOffset => baseSpawnYOffset;
+    public Vector3 SpawnPosition => spawnPosition;
+
+    private void ApplyAbsolutePosition(float time)
+    {
+        float elapsed = time - activationTime;
+        float travelDistance = speed * elapsed;
+
+        Vector3 newPos = spawnPosition;
+        newPos.y -= (baseSpawnYOffset + travelDistance);
+        transform.position = newPos;
+    }
 }