提交修改

Assets/ResRaw/Prefabs/Line/LineHand1.prefab

@@ -47,7 +47,7 @@ MonoBehaviour:
   m_EditorClassIdentifier: 
   startAnchor: {fileID: 5597807613657979793}
   endAnchor: {fileID: 54298866000586118}
-  LineMultiple: 5
+  LineMultiple: 1
   physicsSegmentLen: 0.1
   minPhysicsNodes: 2
   maxPhysicsNodes: 200
@@ -56,6 +56,8 @@ MonoBehaviour:
   stiffness: 0.8
   iterations: 10
   hardTightenIterations: 2
+  adaptiveHardTightenMaxIterations: 8
+  hardConstraintTolerance: 0.0005
   initialLength: 0
   lengthSmoothTime: 0.15
   lengthChangeVelocityKill: 0.4
@@ -217,7 +219,7 @@ GameObject:
   - component: {fileID: 2951454344396477079}
   - component: {fileID: 2305106969988397276}
   - component: {fileID: 6377942246174119720}
-  m_Layer: 7
+  m_Layer: 15
   m_Name: End
   m_TagString: Untagged
   m_Icon: {fileID: 0}
@@ -493,7 +495,7 @@ GameObject:
   - component: {fileID: 4367274852511404246}
   - component: {fileID: 8491405271793597799}
   - component: {fileID: 6946262978138518655}
-  m_Layer: 16
+  m_Layer: 15
   m_Name: Float
   m_TagString: Untagged
   m_Icon: {fileID: 0}
@@ -766,7 +768,7 @@ MonoBehaviour:
   m_EditorClassIdentifier: 
   startAnchor: {fileID: 54298866000586118}
   endAnchor: {fileID: 54679398375713381}
-  LineMultiple: 5
+  LineMultiple: 1
   physicsSegmentLen: 0.2
   minPhysicsNodes: 2
   maxPhysicsNodes: 120
@@ -775,6 +777,8 @@ MonoBehaviour:
   stiffness: 0.8
   iterations: 10
   hardTightenIterations: 2
+  adaptiveHardTightenMaxIterations: 8
+  hardConstraintTolerance: 0.0005
   initialLength: 0
   lengthSmoothTime: 0.15
   lengthChangeVelocityKill: 0.6
@@ -933,7 +937,7 @@ GameObject:
   - component: {fileID: 9208415877353988341}
   - component: {fileID: 5597807613657979793}
   - component: {fileID: 3463242999848273700}
-  m_Layer: 0
+  m_Layer: 15
   m_Name: Start
   m_TagString: Untagged
   m_Icon: {fileID: 0}

Assets/Scripts/Fishing/Item/FishingLine/FLine.cs

@@ -99,7 +99,7 @@ namespace NBF
                 BobberNode.gameObject.SetActive(false);
                 BobberNode.Rope.gameObject.SetActive(false);
                 EndNode.SetConnectedBody(StartNode.Rigidbody);
-                EndNode.SetLenght(totalLenght);
+                EndNode.SetLenght(totalLenght + 0.2f);
             }
             else
             {

Assets/Scripts/Fishing/Item/FishingLine/FLineLogicNode.cs

@@ -50,7 +50,7 @@ namespace NBF
 
             if (rope)
             {
-                rope.SetTargetLength(lenght);
+                rope.SetTargetLength(lenght - lenght * 0.02f);
             }
         }
 

Assets/Scripts/Fishing/Item/FishingLine/Rope.cs

@@ -14,23 +14,29 @@ public class Rope : MonoBehaviour
     [Header("Physics (Dynamic Nodes, Fixed Segment Len)")] [SerializeField, Min(0.01f), Tooltip("物理每段固定长度（越小越细致越耗）")]
     private float physicsSegmentLen = 0.15f;
 
-    [SerializeField, Range(2, 200)] private int minPhysicsNodes = 12;
+    [SerializeField, Range(2, 200)] private int minPhysicsNodes = 2;
 
     [SerializeField, Range(2, 400), Tooltip("物理节点上限（仅用于性能保护；与“最大长度不限制”不是一回事）")]
-    private int maxPhysicsNodes = 120;
+    private int maxPhysicsNodes = 200;
 
-    [SerializeField] private float gravityStrength = 2.0f;
+    [SerializeField] private float gravityStrength = 6.0f;
     [SerializeField, Range(0f, 1f)] private float velocityDampen = 0.95f;
 
     [SerializeField, Range(0.0f, 1.0f), Tooltip("约束修正强度，越大越硬。0.6~0.9 常用")]
     private float stiffness = 0.8f;
 
-    [SerializeField, Range(1, 80), Tooltip("迭代次数。鱼线 10~30 通常够用")]
+    [SerializeField, Range(1, 80), Tooltip("迭代次数")]
-    private int iterations = 20;
+    private int iterations = 10;
 
     [SerializeField, Range(0, 16), Tooltip("主求解后追加的硬长度约束次数。只负责把 poly 拉回到 rest total，不改变可变长度逻辑")]
     private int hardTightenIterations = 2;
 
+    [SerializeField, Range(0, 32), Tooltip("当绳子接近拉直时，按误差自动追加的硬长度约束次数上限")]
+    private int adaptiveHardTightenMaxIterations = 8;
+
+    [SerializeField, Min(0f), Tooltip("单段允许的最大超长误差；超过时继续追加硬长度约束")]
+    private float hardConstraintTolerance = 0.0005f;
+
     [Header("Length Control (No Min/Max Clamp)")]
     [Tooltip("初始总长度（米）。如果为 0，则用 physicsSegmentLen*(minPhysicsNodes-1) 作为初始长度")]
     [SerializeField, Min(0f)]
@@ -40,7 +46,7 @@ public class Rope : MonoBehaviour
     private float lengthSmoothTime = 0.15f;
 
     [Tooltip("当长度在变化时，额外把速度压掉一些（防抖）。0=不额外处理，1=变化时几乎清速度（建议只在收线生效）")] [SerializeField, Range(0f, 1f)]
-    private float lengthChangeVelocityKill = 0.6f;
+    private float lengthChangeVelocityKill = 0.4f;
 
     [Tooltip("允许的最小松弛余量（避免目标长度刚好等于锚点距离时抖动）")] [SerializeField, Min(0f)]
     private float minSlack = 0.002f;
@@ -52,9 +58,9 @@ public class Rope : MonoBehaviour
     private float nodeHysteresis = 0.05f;
 
     [Header("Simple Ground/Water Constraint (Cheap)")] [SerializeField]
-    private bool constrainToGround = true;
+    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;
@@ -66,7 +72,7 @@ public class Rope : MonoBehaviour
     private bool groundInterpolate = true;
 
     [SerializeField, Range(1, 8), Tooltip("每隔多少次FixedUpdate更新一次地面约束")]
-    private int groundUpdateEvery = 2;
+    private int groundUpdateEvery = 1;
 
     [SerializeField, Range(0, 8), Tooltip("地面约束后，再做几次长度约束，减少 poly 被地面抬长")]
     private int groundPostConstraintIterations = 2;
@@ -74,7 +80,7 @@ public class Rope : MonoBehaviour
     private int _groundFrameCounter;
 
     [Header("Simple Water Float (Cheap)")] [SerializeField, Tooltip("绳子落到水面以下时，是否把节点约束回水面")]
-    private bool constrainToWaterSurface = true;
+    private bool constrainToWaterSurface = false;
 
     [SerializeField, Tooltip("静态水面高度；如果你后面接波浪水面，可改成采样函数")]
     private float waterLevelY = 0f;
@@ -129,7 +135,7 @@ public class Rope : MonoBehaviour
     private float visibilityViewportPadding = 0.08f;
 
     [Header("Air Drag (Stable)")] [SerializeField, Range(0f, 5f), Tooltip("空气阻力（Y向），指数衰减，越大越不飘")]
-    private float airDrag = 0.9f;
+    private float airDrag = 0.2f;
 
     [SerializeField, Range(0f, 2f), Tooltip("横向额外阻力（XZ），指数衰减，越大越不左右飘")]
     private float airDragXZ = 0.6f;
@@ -198,12 +204,15 @@ public class Rope : MonoBehaviour
         RefreshVisibilityState(true);
     }
 
+
     private void OnValidate()
     {
         renderSubdivisionsIdle = Mathf.Max(renderSubdivisionsIdle, 1);
         renderSubdivisionsMoving = Mathf.Max(renderSubdivisionsMoving, 1);
         iterations = Mathf.Clamp(iterations, 1, 80);
         hardTightenIterations = Mathf.Clamp(hardTightenIterations, 0, 16);
+        adaptiveHardTightenMaxIterations = Mathf.Clamp(adaptiveHardTightenMaxIterations, 0, 32);
+        hardConstraintTolerance = Mathf.Max(0f, hardConstraintTolerance);
         groundCastDistance = Mathf.Max(groundCastDistance, 0.01f);
         groundCastHeight = Mathf.Max(groundCastHeight, 0f);
         lineWidth = Mathf.Max(lineWidth, 0.0001f);
@@ -236,15 +245,6 @@ public class Rope : MonoBehaviour
         _endTr = endAnchor ? endAnchor.transform : null;
     }
 
-    private bool ShouldAlwaysSimulate()
-    {
-        if (!localOwnerAlwaysSimulate)
-            return false;
-
-        // var owner = _rod?.PlayerItem?.Owner;
-        // return owner == null || owner.IsSelf;
-        return true;
-    }
 
     private Transform GetActiveCameraTransform()
     {
@@ -298,7 +298,7 @@ public class Rope : MonoBehaviour
 
     private void RefreshVisibilityState(bool force = false)
     {
-        if (!cullRemoteRopeWhenInvisible || ShouldAlwaysSimulate())
+        if (!cullRemoteRopeWhenInvisible)
         {
             _isCulledByVisibility = false;
             if (_lineRenderer)
@@ -526,6 +526,7 @@ public class Rope : MonoBehaviour
         }
 
         SolveHardDistanceConstraints(hardTightenIterations);
+        SolveHardDistanceConstraintsAdaptive();
         LockAnchorsHard();
 
         if (constrainToGround)
@@ -566,16 +567,7 @@ public class Rope : MonoBehaviour
         EnsureRenderCaches();
 
         int last = _physicsNodes - 1;
-
+        DrawHighResLine_Fast(_startTr.position, _endTr.position, last);
-        Vector3 s = _startTr.position;
-        Vector3 e = _endTr.position;
-
-        _pCurr[0] = s;
-        _pCurr[last] = e;
-        // _pPrev[0] = s;
-        // _pPrev[last] = e;
-
-        DrawHighResLine_Fast();
     }
 
     private void UpdateLengthSmooth()
@@ -592,9 +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
+        // 仅在收线（目标长度小于当前长度）时额外压速度；
-        float delta = Mathf.Abs(_targetLength - _currentLength);
+        // 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”。
-        if (delta > 0.0001f && lengthChangeVelocityKill > 0f)
+        float reelInDelta = _currentLength - _targetLength;
+        if (reelInDelta > 0.0001f && lengthChangeVelocityKill > 0f)
         {
             float keep = 1f - Mathf.Clamp01(lengthChangeVelocityKill);
             for (int i = 1; i < _physicsNodes - 1; i++)
@@ -728,6 +721,21 @@ public class Rope : MonoBehaviour
         }
     }
 
+    private void SolveHardDistanceConstraintsAdaptive()
+    {
+        if (adaptiveHardTightenMaxIterations <= 0 || hardConstraintTolerance <= 0f)
+            return;
+
+        for (int it = 0; it < adaptiveHardTightenMaxIterations; it++)
+        {
+            if (GetMaxPositiveSegmentDelta() <= hardConstraintTolerance)
+                break;
+
+            LockAnchorsHard();
+            SolveDistanceConstraints_HeadOnly_Hard();
+        }
+    }
+
     private void SolveDistanceConstraints_HeadOnly_Hard()
     {
         SolveDistanceConstraints_HeadOnly_Bidirectional(1f);
@@ -744,7 +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)
         {
@@ -781,6 +790,21 @@ public class Rope : MonoBehaviour
         }
     }
 
+    private float GetMaxPositiveSegmentDelta()
+    {
+        float maxDelta = 0f;
+        for (int i = 1; i < _physicsNodes; i++)
+        {
+            float rest = (i == 1) ? _headRestLen : physicsSegmentLen;
+            float segLen = Vector3.Distance(_pCurr[i - 1], _pCurr[i]);
+            float delta = segLen - rest;
+            if (delta > maxDelta)
+                maxDelta = delta;
+        }
+
+        return maxDelta;
+    }
+
     private void ConstrainToGround()
     {
         if (groundMask == 0) return;
@@ -932,7 +956,7 @@ public class Rope : MonoBehaviour
         }
     }
 
-    private void DrawHighResLine_Fast()
+    private void DrawHighResLine_Fast(Vector3 renderStart, Vector3 renderEnd, int last)
     {
         if (_pCurr == null || _physicsNodes < 2) return;
 
@@ -943,7 +967,9 @@ public class Rope : MonoBehaviour
         if (!smooth)
         {
             _lineRenderer.positionCount = _physicsNodes;
-            _lineRenderer.SetPositions(_pCurr);
+            for (int i = 0; i <= last; i++)
+                _rPoints[i] = GetRenderPoint(i, last, renderStart, renderEnd);
+            _lineRenderer.SetPositions(_rPoints);
             return;
         }
 
@@ -958,7 +984,6 @@ public class Rope : MonoBehaviour
         }
 
         int idx = 0;
-        int last = _physicsNodes - 1;
 
         for (int seg = 0; seg < last; seg++)
         {
@@ -969,10 +994,10 @@ public class Rope : MonoBehaviour
             int i3 = seg + 2;
             if (i3 > last) i3 = last;
 
-            Vector3 p0 = _pCurr[i0];
+            Vector3 p0 = GetRenderPoint(i0, last, renderStart, renderEnd);
-            Vector3 p1 = _pCurr[i1];
+            Vector3 p1 = GetRenderPoint(i1, last, renderStart, renderEnd);
-            Vector3 p2 = _pCurr[i2];
+            Vector3 p2 = GetRenderPoint(i2, last, renderStart, renderEnd);
-            Vector3 p3 = _pCurr[i3];
+            Vector3 p3 = GetRenderPoint(i3, last, renderStart, renderEnd);
 
             for (int s = 0; s < subdiv; s++)
             {
@@ -995,12 +1020,21 @@ public class Rope : MonoBehaviour
             }
         }
 
-        _rPoints[idx++] = _pCurr[last];
+        _rPoints[idx++] = renderEnd;
 
         _lineRenderer.positionCount = idx;
         _lineRenderer.SetPositions(_rPoints);
     }
 
+    private Vector3 GetRenderPoint(int index, int last, Vector3 renderStart, Vector3 renderEnd)
+    {
+        if (index <= 0)
+            return renderStart;
+        if (index >= last)
+            return renderEnd;
+        return _pCurr[index];
+    }
+
     private static float ClampMonotonic(float value, float p0, float p1, float p2, float p3)
     {
         bool rising = p0 <= p1 && p1 <= p2 && p2 <= p3;