修改mesh

Assets/Scripts/ThirdParty/Rope/Examples/01_DynamicAttach/DynamicAttach.cs

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+using System.Collections;
+using System.Collections.Generic;
+using UnityEngine;
+
+namespace NBF.Example
+{
+    public class DynamicAttach : MonoBehaviour
+    {
+        public Material ropeMaterial;
+
+        public Vector3 attachPoint;
+        public Transform target;
+        public Vector3 targetAttachPoint;
+
+        public SimpleRopeInteraction ropeInteraction;
+
+        protected GameObject ropeObject;
+
+        protected Rect guiRect = new Rect(Screen.width - 210, 10, 200, 0);
+
+        public void Detach()
+        {
+            if (ropeObject)
+            {
+                Destroy(ropeObject);
+            }
+            ropeObject = null;
+
+            if (ropeInteraction)
+            {
+                ropeInteraction.ropes.Clear();
+            }
+        }
+
+        public void Attach()
+        {
+            Detach();
+
+            ropeObject = new GameObject();
+            ropeObject.name = "Rope";
+
+            var start = transform.TransformPoint(attachPoint);
+            var end = target.TransformPoint(targetAttachPoint);
+
+            var rope = ropeObject.AddComponent<Rope>();
+            rope.material = ropeMaterial;
+            rope.spawnPoints.Add(ropeObject.transform.InverseTransformPoint(start));
+            rope.spawnPoints.Add(ropeObject.transform.InverseTransformPoint(end));
+
+            var conn0 = ropeObject.AddComponent<RopeConnection>();
+            conn0.type = RopeConnectionType.PinRopeToTransform;
+            conn0.ropeLocation = 0.0f;
+            conn0.transformSettings.transform = transform;
+            conn0.localConnectionPoint = attachPoint;
+
+            var conn1 = ropeObject.AddComponent<RopeConnection>();
+            conn1.type = RopeConnectionType.PinRopeToTransform;
+            conn1.ropeLocation = 1.0f;
+            conn1.transformSettings.transform = target;
+            conn1.localConnectionPoint = targetAttachPoint;
+
+            if (ropeInteraction)
+            {
+                ropeInteraction.ropes.Add(rope);
+            }
+        }
+
+        protected void Window(int id)
+        {
+            if (GUILayout.Button("Attach"))
+            {
+                Attach();
+            }
+            if (GUILayout.Button("Detach"))
+            {
+                Detach();
+            }
+
+            GUI.enabled = false;
+            GUILayout.Label("Instructions: Use the buttons above to dynamically attach and detach a rope from the scene.");
+            GUI.enabled = true;
+        }
+
+        public void OnGUI()
+        {
+            guiRect = GUILayout.Window(1, guiRect, Window, "Dynamic attach");
+        }
+    }
+}