提交修改

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

@@ -44,7 +44,17 @@ namespace NBF
             set => nodeType = value;
         }
 
-        public float Lenght => _joint != null ? _joint.linearLimit.limit : 0f;
+        public float Lenght { get; private set; }
+
+        /// <summary>
+        /// 真实实际长度
+        /// </summary>
+        public float RealLength { get; private set; }
+
+        /// <summary>
+        /// 当前逻辑链总长度超出配置总长度的部分，小于等于零时记为 0。
+        /// </summary>
+        public float StretchLength { get; private set; }
 
         public Rigidbody Body => body;
 
@@ -77,6 +87,7 @@ namespace NBF
         {
             EnsureFeatureCache();
             UpdateMotionControl(Time.fixedDeltaTime);
+            UpdateLenght();
         }
 
         private void OnValidate()
@@ -87,6 +98,28 @@ namespace NBF
             }
 
             segmentLengthToNext = Mathf.Max(0f, segmentLengthToNext);
+            
+        }
+
+        private void UpdateLenght()
+        {
+            //更新长度
+            Lenght = 0;
+            RealLength = 0;
+            StretchLength = 0;
+            if (_joint)
+            {
+                Lenght = _joint.linearLimit.limit;
+                if (_joint && _joint.connectedBody)
+                {
+                    RealLength = Vector3.Distance(transform.position, _joint.connectedBody.transform.position);
+                }
+            }
+
+            if (RealLength > Lenght)
+            {
+                StretchLength = RealLength - Lenght;
+            }
         }
 
         #region Line