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unity编辑器扩展很方便，可以省掉很多制作其他工具的时间（比如技能编辑器，特效编辑器等，都是数据结构的导入导出）可以直接在 Scene 、Inspector 或者新建一个 Window 中编辑
1、Inspector
在 Inspector 中最简单的就是直接把脚本中的成员变量设置为 public，直接就可以在显示出来编辑。 public class Actor : MonoBehaviour { #region public member public Vector3 lookAtPoint = Vector3.zero; public int mAge; public string mName; public bool mIsMale; public string mPath; public AnimationCurve mCurve; public Color mColor; #endregion }针对脚本定制编辑panel 新建一个 Editor 文件夹（啥地方都行），unity会自动监测，自动生成vs的工程目录结构。在 Editor 文件夹下create个编辑器脚本 ActorEditor.cs (可以随意，一般以Editor为后缀)，脚本继承 Editor，重写 OnInspectorGUI 方法，这个方法每帧调用绘制 编辑panel using UnityEngine; using UnityEngine.UI; using System.Collections; using UnityEditor; [CustomEditor(typeof(Actor))] //编辑对应的脚本 public class ActorEditor : Editor { //private string mPath1 = ""; private Actor mActor; public override void OnInspectorGUI() { Actor t = (Actor)target; mActor = t; t.mName = EditorGUILayout.TextField("name", t.mName); t.mAge = EditorGUILayout.IntField("age", t.mAge); t.mIsMale = ETCGuiTools.Toggle("male", t.mIsMale); t.transform.position = EditorGUILayout.Vector3Field("position", t.transform.position); EditorGUILayout.Space(); EditorGUILayout.BeginHorizontal(); //被Horizontal包的会显示在同一行 GUILayout.Label("资源路径:"); t.mPath = EditorGUILayout.TextField(t.mPath); if (GUILayout.Button("浏览")) EditorApplication.delayCall += Save; //点击按钮调用的方法 EditorGUILayout.EndHorizontal(); EditorGUILayout.Space(); EditorGUILayout.BeginHorizontal(); t.mCurve = EditorGUILayout.CurveField("Curves:", t.mCurve); EditorGUILayout.EndHorizontal(); EditorGUILayout.Space(); EditorGUILayout.BeginHorizontal(); EditorGUILayout.LabelField("Color:"); t.mColor = EditorGUILayout.ColorField(t.mColor); EditorGUILayout.EndHorizontal(); } /// /// 选择资源存储路径 /// void Save() { string path = EditorUtility.OpenFolderPanel("选择要存储的路径", "", ""); if (path.Length != 0) { //mPath1 = path; mActor.mPath = path; //貌似这里只能通过成员实现，不能传参数。可能是异步的原因 EditorUtility.FocusProjectWindow(); } }同样也是create个脚本 TestDrag 丢在 Editor 文件夹下。TestDrag 继承 EditorWindow ，写个静态方法 Init 上面用属性标注 [MenuItem("MyWindow/TestDrag")],意思就是会在菜单栏 MyWindow/TestDrag中点击触发弹出TestDrag 的编辑 window，然后重写 OnGUI() 方法具体定制显示需要编辑的东东 using UnityEngine; using System.Collections; using UnityEditor; public class TestDrag : EditorWindow { string path; Rect rect; bool groupEnabled = true; string myString = "Hello World"; bool myBool = true; float myFloat = 1.23f; [MenuItem("MyWindow/TestDrag")] //触发弹出TestDrag window的按钮 static void Init() { EditorWindow.GetWindow(typeof(TestDrag)); } void OnGUI() //绘制window { EditorGUILayout.LabelField("路径", EditorStyles.boldLabel); //获得一个长300的框 rect = EditorGUILayout.GetControlRect(GUILayout.Width(300)); //将上面的框作为文本输入框 path = EditorGUI.TextField(rect, path); //如果鼠标正在拖拽中或拖拽结束时，并且鼠标所在位置在文本输入框内 if ((Event.current.type == EventType.DragUpdated || Event.current.type == EventType.DragExited) && rect.Contains(Event.current.mousePosition)) { //改变鼠标的外表 DragAndDrop.visualMode = DragAndDropVisualMode.Generic; if (DragAndDrop.paths != null && DragAndDrop.paths.Length > 0) { path = DragAndDrop.paths[0]; } } //--------- GUILayout.Label("Base Settings", EditorStyles.boldLabel); myString = EditorGUILayout.TextField("Text Field", myString); groupEnabled = EditorGUILayout.BeginToggleGroup("Optional Settings", groupEnabled); myBool = EditorGUILayout.Toggle("Toggle", myBool); myFloat = EditorGUILayout.Slider("Slider", myFloat, -3, 3); EditorGUILayout.EndToggleGroup(); } }同样也是create个脚本 SceneRealTimeFocusEditor 丢在 Editor 文件夹下。 在场景中显示一些按钮、文字什么的 using UnityEngine; using UnityEngine.UI; using System.Collections; using UnityEditor; /// /// Scene中的按钮扩展： /// [CustomEditor(typeof(MonoBehaviour), true)] public class SceneRealTimeFocusEditor : Editor { public void OnEnable() { active = false; } public void OnDisable() { active = false; } private bool active = false; void OnSceneGUI() { GameObject[] gos = Selection.gameObjects; if (gos != null) //if (Selection.activeTransform != null) { Handles.BeginGUI(); GUILayout.BeginArea(new Rect(0, 0, 200, 200)); if (!active) { if (GUILayout.Button("Active Real Time Trace", GUILayout.Height(30))) { active = true; } } else { if (GUILayout.Button("Close Real Time Trace", GUILayout.Height(30))) { active = false; } } GUILayout.EndArea(); Handles.EndGUI(); if (active) { SceneView.lastActiveSceneView.pivot = gos[0].transform.position; //SceneView.lastActiveSceneView.pivot = Selection.activeTransform.position; SceneView.lastActiveSceneView.Repaint(); } } } }4、附上一个场景对象实时追踪 using UnityEngine; using UnityEditor; using System.Collections; using System.Text; /// /// 实时显示场景中的对象 /// public class SceneEditorWindow : EditorWindow { RaycastHit _hitInfo; SceneView.OnSceneFunc _delegate; static SceneEditorWindow _windowInstance; private GameObject[] mSelectObjs = null; [MenuItem("MyWindow/Scene Editor #`")] //快捷方式：shift+` static void Init() { if (_windowInstance == null) { _windowInstance = EditorWindow.GetWindow(typeof(SceneEditorWindow)) as SceneEditorWindow; _windowInstance._delegate = new SceneView.OnSceneFunc(OnSceneFunc); SceneView.onSceneGUIDelegate += _windowInstance._delegate; } } void OnEnable() { } void OnDisable() { } void OnDestroy() { if (_delegate != null) { SceneView.onSceneGUIDelegate -= _delegate; } } void OnSelectionChange() { mSelectObjs = Selection.gameObjects; } void OnGUI() { EditorGUILayout.LabelField("All Selected Objects", EditorStyles.boldLabel); if (mSelectObjs != null) { for (int i = 0; i < mSelectObjs.Length; ++i) { EditorGUILayout.BeginHorizontal(); GameObject go = mSelectObjs[i]; EditorGUILayout.Vector3Field(go.name, go.transform.position); EditorGUILayout.EndHorizontal(); } } } void OnInspectorGUI() { Debug.Log("OnInspectorGUI"); } static public void OnSceneFunc(SceneView sceneView) { _windowInstance.CustomSceneGUI(sceneView); } void CustomSceneGUI(SceneView sceneView) { Camera cameara = sceneView.camera; Ray ray = HandleUtility.GUIPointToWorldRay(Event.current.mousePosition); if (Physics.Raycast(ray, out _hitInfo, 10000, -1)) { //Debug.DrawRay(ray.origin, ray.direction, Color.yellow); Vector3 origin = _hitInfo.point; origin.y += 100; if (Physics.Raycast(origin, Vector3.down, out _hitInfo)) { Handles.color = Color.yellow; Handles.DrawLine(_hitInfo.point, origin); float arrowSize = 1; Vector3 pos = _hitInfo.point; Quaternion quat; Handles.color = Color.green; quat = Quaternion.LookRotation(Vector3.up, Vector3.up); Handles.ArrowCap(0, pos, quat, arrowSize); Handles.color = Color.red; quat = Quaternion.LookRotation(Vector3.right, Vector3.up); Handles.ArrowCap(0, pos, quat, arrowSize); Handles.color = Color.blue; quat = Quaternion.LookRotation(Vector3.forward, Vector3.up); Handles.ArrowCap(0, pos, quat, arrowSize); //Handles.DrawLine(pos + new Vector3(0, 3, 0), pos); } } SceneView.RepaintAll(); } } |
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