轨迹插件引入

Assets/Plugins/ToolBuddy/Dependencies/DevTools/Components/DuplicateEditorMesh.cs

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+// =====================================================================
+// Copyright 2013-2017 Fluffy Underware
+// All rights reserved
+// 
+// http://www.fluffyunderware.com
+// =====================================================================
+
+using UnityEngine;
+using System.Collections;
+
+
+namespace FluffyUnderware.DevTools
+{
+    /// <summary>
+    /// Add this script to a GameObject with a MeshFilter to ensure it will be properly duplicated in the editor!
+    /// </summary>
+    /// <remarks>On Duplicating, Awake() checks if the sharedMesh is already used in the scene. If yes, a new mesh will be created to ensure that each sharedMesh is unique</remarks>
+    [ExecuteAlways]
+    [RequireComponent(typeof(MeshFilter))]
+    public abstract class DuplicateEditorMesh : DTVersionedMonoBehaviour
+    {
+        MeshFilter mFilter;
+
+        public MeshFilter Filter
+        {
+            get {
+                if (mFilter == null)
+                    mFilter = GetComponent<MeshFilter>();
+                return mFilter; 
+            }
+        }
+
+        protected virtual void Awake()
+        {
+            if (!Application.isPlaying)
+            {
+                MeshFilter meshFilter = Filter;
+                if (meshFilter && meshFilter.sharedMesh != null)
+                {
+                    DuplicateEditorMesh[] otherWatchdogs = GameObject.FindObjectsOfType<DuplicateEditorMesh>();
+                    foreach (DuplicateEditorMesh dog in otherWatchdogs)
+                    {
+                        if (dog != this)
+                        {
+                            MeshFilter otherMF = dog.Filter;
+                            if (otherMF && otherMF.sharedMesh == meshFilter.sharedMesh)
+                            {
+                                Mesh m = new Mesh();
+                                m.name = otherMF.sharedMesh.name;
+                                meshFilter.mesh = m;
+                            }
+                        }
+                    }
+                }
+            }
+        }
+    }
+}