選択中のアイテムの中に空のオブジェクトを生成するUnity Editorスクリプト

CreateEmpty.cs

using UnityEngine;
using UnityEditor;

/// <summary>
/// 選択中のアイテムの中に空のオブジェクトを生成
/// </summary>
/// <author>
/// Create by yumehachi on 2013/08/18
/// </author>
public class CreateEmpty
{
    [MenuItem ("GameObject/Create Other/Create Empty %.")]
    static void CreateEmptyGameObject ()
    {
        Transform[] selection = Selection.GetTransforms (SelectionMode.DeepAssets);
        GameObject newParent = new GameObject ("Empty");
  	
        foreach (Transform t in selection) {
            newParent.transform.parent = t.transform;
            newParent.layer = t.gameObject.layer;
        }
        newParent.transform.localPosition = Vector3.zero;
        newParent.transform.localScale = Vector3.one;
    }
}