Unity Editor Extension - Episode 4 - Method of Obtaining Objects

Link to the third episode: Unity Editor Extension - Episode 3 - Adding a button to the component menu and resetting the component

 1. Objectives + effect display of this program

1. Reselect the name of a single object

2. Reselect the names of all objects

 3. Select all objects, but only change the name of the first layer of objects

 4. Come to a useful one (all selected objects, named in order)

  2. Overview

There is a class Selection that allows you to get different objects

Selection.activeGameObject    //选择单个物体
//如果就非要多选，它认多选时选的第一个
Selection.gameObjects        //你选的所有物体都算
Selection.transforms            //你选的所有物体的辈分最大那个物体

 3. Case

1. Reselect the name of a single object

using UnityEditor;
public class Tools 
{
    [MenuItem("第四集/菌菌兹")]
    static void ChangeName() {
        Selection.activeGameObject.name = "菌菌兹";
    }
}

2. Reselect the names of all objects

using UnityEditor;
using UnityEngine;
public class Tools 
{
    [MenuItem("第四集/菌菌兹")]
    static void ChangeName() {
        foreach (GameObject obj in Selection.gameObjects)
        {
            obj.name = "菌菌兹";
        }
    }
}

 3. Select all objects, but only change the name of the first layer of objects

using UnityEditor;
using UnityEngine;
public class Tools 
{
    [MenuItem("第四集/菌菌兹")]
    static void ChangeName() {
        foreach (Transform obj in Selection.transforms)
        {
            obj.name = "菌菌兹";
        }
    }
}

 4. All the selected objects are named in order

using UnityEditor;
using UnityEngine;
public class Tools 
{
    [MenuItem("第四集/菌菌兹")]
    static void ChangeName() {
        foreach (GameObject obj in Selection.gameObjects)
        {
            //GetSiblingIndex()是获取父亲的第几个孩子
            obj.name = obj.transform.GetSiblingIndex().ToString();
        }
    }
}