feat(scene-mgmt): 支持无线轱辘分层与加速晃动

Co-authored-by: Cursor <cursoragent@cursor.com>

Assets/Scripts/SceneManagement/SpriteShowcase.cs

@@ -16,6 +16,7 @@ namespace AibisDream
         private const string DreamSpritePath = "Sprite/梦境/{0}.png";
         private const string KiteBaseSuffix = "_底图";
         private const string KiteMotionSuffix = "_风筝层";
+        private const float ReelMotionSpeedMultiplier = 2f;
 
         [SerializeField] private SpriteRenderer _spriteRenderer;
         [SerializeField] private SpriteRenderer _backgroundSpriteRenderer;
@@ -393,6 +394,12 @@ namespace AibisDream
                 : motionProfile.Trim().ToLowerInvariant();
         }
 
+        private static bool IsReelPic(string picName)
+        {
+            var normalized = NormalizeDreamPicName(picName);
+            return normalized == "D2S轱辘" || normalized == "D2S轱辘没线";
+        }
+
         private Vector3 BaseOffset(float x, float y)
         {
             return _smallBaseLocalPosition + _smallMotionBaseOffset + new Vector3(x, y, 0f);
@@ -402,8 +409,9 @@ namespace AibisDream
         {
             var normalized = NormalizeDreamPicName(picName);
 
-            // 风筝图已改由风筝 Rig（ShowKite 等）连续驱动，分层底图+遮罩通路仅保留给轱辘特写
-            if (normalized == "D2S轱辘")
+            // 风筝图已改由风筝 Rig（ShowKite 等）连续驱动，分层底图+遮罩通路仅保留给轱辘特写。
+            // 普通阶段用有线轱辘，结尾受力晃动改用无线轱辘；两张图各自使用对应的拆分层。
+            if (IsReelPic(normalized))
             {
                 basePicName = $"{normalized}{KiteBaseSuffix}";
                 motionPicName = $"{normalized}{KiteMotionSuffix}";
@@ -444,6 +452,7 @@ namespace AibisDream
                     return;
             }
 
+            seq.timeScale = ReelMotionSpeedMultiplier;
             _smallMotionSequence = seq;
         }
 
@@ -568,6 +577,7 @@ namespace AibisDream
             }
 
             seq.OnComplete(() => PlayReelHold(tr, Mathf.Min(1f, strain + 0.22f)));
+            seq.timeScale = ReelMotionSpeedMultiplier;
             _smallMotionSequence = seq;
         }
 
@@ -715,7 +725,7 @@ namespace AibisDream
             var useSplitMotion = TryGetSplitMotionPicNames(picName, out var basePicName, out var motionPicName);
             var isSamePic = string.Equals(_currentSmallPicName, normalizedName, StringComparison.OrdinalIgnoreCase)
                             && _currentSmallUsesSplitLayers == useSplitMotion;
-            _smallMotionBaseOffset = normalizedName == "D2S轱辘" ? new Vector3(0f, -0.32f, 0f) : Vector3.zero;
+            _smallMotionBaseOffset = IsReelPic(normalizedName) ? new Vector3(0f, -0.32f, 0f) : Vector3.zero;
 
             KillSmallTweenState();
 
@@ -1072,7 +1082,7 @@ namespace AibisDream
             if (_spriteRenderer == null) yield break;
 
             var normalizedName = NormalizeDreamPicName(picName);
-            _smallMotionBaseOffset = normalizedName == "D2S轱辘" ? new Vector3(0f, -0.32f, 0f) : Vector3.zero;
+            _smallMotionBaseOffset = IsReelPic(normalizedName) ? new Vector3(0f, -0.32f, 0f) : Vector3.zero;
             _spriteRenderer.gameObject.SetActive(true);
 
             if (usesSplitLayers)