修改mesh

Assets/Scripts/ThirdParty/Rope/Helpers/SimpleRopeInteractionGUI.cs

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+using System.Collections;
+using System.Collections.Generic;
+using UnityEngine;
+
+namespace NBF.Example
+{
+    [RequireComponent(typeof(SimpleRopeInteraction))]
+    public class SimpleRopeInteractionGUI : MonoBehaviour
+    {
+        protected float desiredMaxImpulseStrength;
+
+        protected Rect guiRect = new Rect(10, 10, 200, 0);
+
+        public void Start()
+        {
+            desiredMaxImpulseStrength = GetComponent<SimpleRopeInteraction>().maxImpulseStrength;
+        }
+
+        public void Window(int id)
+        {
+            var interact = GetComponent<SimpleRopeInteraction>();
+
+            bool isLimiting = interact.maxImpulseStrength > 0.0f;
+            bool shouldLimit = GUILayout.Toggle(isLimiting, "Limit max impulse strength");
+
+            if (isLimiting != shouldLimit)
+            {
+                Event.current.Use();
+                
+                if (shouldLimit)
+                {
+                    interact.maxImpulseStrength = desiredMaxImpulseStrength;
+                }
+                else
+                {
+                    desiredMaxImpulseStrength = interact.maxImpulseStrength;
+
+                    interact.maxImpulseStrength = 0.0f;
+                }
+            }
+
+            var limitString = shouldLimit ? interact.maxImpulseStrength.ToString("0.0") + " Ns" : "Infinite";
+            GUILayout.Label("Max impulse strength: " + limitString);
+
+            interact.maxImpulseStrength = GUILayout.HorizontalSlider(interact.maxImpulseStrength, 0.0f, 10.0f);
+
+            GUI.enabled = false;
+            GUILayout.Label("Instructions: Use the left mouse button to interact with the ropes in the scene. While holding on to a rope using the mouse, press <SPACE> on the keyboard to cut it at the held position.");
+            GUI.enabled = true;
+        }
+
+        public void OnGUI()
+        {
+            guiRect = GUILayout.Window(0, guiRect, Window, "Interaction settings");
+        }
+    }
+}