Unity 2018 Cookbook - Third Edition

How to do it...

To work with selected objects and deactivate menu items follow these steps:

1. In the Project panel, create a new folder, Editor.
2. In your new Editor folder create a new C# script-class named SelectedObjectManager.cs, containing the following:

using UnityEditor; using UnityEngine;  public class SelectedObjectManager : EditorWindow {     [MenuItem("MyMenu/Move To Origin")]     static void ZeroPosition()     {         GameObject selectedGameObject = Selection.activeTransform.gameObject;          Undo.RecordObject (selectedGameObject.transform, "Zero Transform Position");         selectedGameObject.transform.position = Vector3.zero;     }      [MenuItem("MyMenu/Move To Origin", true)]     static bool ValidateZeroPosition()     {         // Return false if no transform is selected. return ...