Unity编辑器环境下获取当前场景所有对象（无论是否Active）

EditorTools_GetAll.cs

using System;
using System.Reflection;
using UnityEditor;
using UnityEngine;

public class EditorTools
{
	//获取场景内所有对象，无论是否Active
	//http://wonderm.coding.io/2015/08/31/Unity-Editor-SelectAll/
	//感谢 白昼
	public static UnityEngine.Object[] GetAll()
	{
		Assembly assembly = Assembly.GetAssembly(typeof(EditorWindow));
		Type hierarchy = assembly.GetType("UnityEditor.SceneHierarchyWindow");
		MethodInfo info = hierarchy.GetMethod("SelectAll", BindingFlags.NonPublic | BindingFlags.Instance);
		var obj = ScriptableObject.CreateInstance("SceneHierarchyWindow");
		info.Invoke(obj, null);
		return Selection.objects;
	}
}