修改线脚本

Assets/Scripts/Fishing/Rope/Rope.cs

@@ -284,6 +284,24 @@ public class Rope : MonoBehaviour
 
         return totalLength;
     }
+    
+    public float GetPhysicsPolylineLength()
+    {
+        float total = 0f;
+        for (int i = 1; i < _physicsNodes; i++)
+            total += Vector3.Distance(_pCurr[i - 1], _pCurr[i]);
+        return total;
+    }
+
+    public void DebugLength()
+    {
+        Debug.Log(
+            $"current={_currentLength}, target={_targetLength}, nodes={_physicsNodes}, " +
+            $"seg={physicsSegmentLen}, head={_headRestLen}, headMin={headMinLen}, " +
+            $"solverRestTotal={(_physicsNodes - 2) * physicsSegmentLen + _headRestLen}, " +
+            $"poly={GetPhysicsPolylineLength()}"
+        );
+    }
 
     private void FixedUpdate()
     {