提交线修改

Assets/Scripts/Fishing/New/View/FishingLine/FishingLineSolver.cs

@@ -296,6 +296,7 @@ namespace NBF
                 ropeObject.transform.SetParent(_ropeRoot);
                 var rope = ropeObject.AddComponent<Rope>();
                 node.Rope = rope;
+                // rope.groundMask = LayerMask.GetMask("Terrain");
                 rope.startAnchor = node.Joint.connectedBody;
                 rope.endAnchor = node.body;
             }

Assets/Scripts/Fishing/New/View/FishingLine/Rope.cs

@@ -60,7 +60,7 @@ public class Rope : MonoBehaviour
     [Header("Simple Ground/Water Constraint (Cheap)")] [SerializeField]
     private bool constrainToGround = false;
 
-    [SerializeField] private LayerMask groundMask = ~0;
+    [SerializeField] private LayerMask groundMask = 0;
     [SerializeField, Min(0f)] private float groundRadius = 0.01f;
     [SerializeField, Min(0f)] private float groundCastHeight = 1.0f;
     [SerializeField, Min(0.01f)] private float groundCastDistance = 2.5f;
@@ -178,7 +178,7 @@ public class Rope : MonoBehaviour
     private bool _isCulledByVisibility;
     private int _tIdleSubdiv = -1;
     private int _tMovingSubdiv = -1;
-    
+
 
     // Catmull t caches（只缓存 idle/moving 两档，减少每帧重复乘法）
     private struct TCaches
@@ -204,6 +204,7 @@ public class Rope : MonoBehaviour
         RefreshVisibilityState(true);
     }
 
+
     private void OnValidate()
     {
         renderSubdivisionsIdle = Mathf.Max(renderSubdivisionsIdle, 1);
@@ -243,7 +244,7 @@ public class Rope : MonoBehaviour
         _startTr = startAnchor ? startAnchor.transform : null;
         _endTr = endAnchor ? endAnchor.transform : null;
     }
-    
+
 
     private Transform GetActiveCameraTransform()
     {
@@ -583,9 +584,10 @@ public class Rope : MonoBehaviour
             Time.fixedDeltaTime
         );
 
-        // 长度变化时额外压一点速度，减少收放线时抖动
-        float delta = Mathf.Abs(_targetLength - _currentLength);
-        if (delta > 0.0001f && lengthChangeVelocityKill > 0f)
+        // 仅在收线（目标长度小于当前长度）时额外压速度；
+        // 放线时不要压速度，否则新增节点下落会出现“顿一下再突然加速”。
+        float reelInDelta = _currentLength - _targetLength;
+        if (reelInDelta > 0.0001f && lengthChangeVelocityKill > 0f)
         {
             float keep = 1f - Mathf.Clamp01(lengthChangeVelocityKill);
             for (int i = 1; i < _physicsNodes - 1; i++)
@@ -750,7 +752,8 @@ public class Rope : MonoBehaviour
         SolveDistanceConstraintsSweep_Fast(last - 1, -1, -1, last, sweepStiffness);
     }
 
-    private void SolveDistanceConstraintsSweep_Fast(int start, int endExclusive, int step, int last, float sweepStiffness)
+    private void SolveDistanceConstraintsSweep_Fast(int start, int endExclusive, int step, int last,
+        float sweepStiffness)
     {
         for (int i = start; i != endExclusive; i += step)
         {
@@ -1091,4 +1094,4 @@ public class Rope : MonoBehaviour
         for (int i = 0; i < _physicsNodes; i++)
             Gizmos.DrawSphere(_pCurr[i], 0.01f);
     }
-}
+}