using System;
using System.Collections.Generic;
using System.Text;

namespace UnityEngine
{
    /// <summary>
    /// Transform的扩展
    /// </summary>
    public static class TransformExtension
    {
        /// <summary>
        /// 获取组件的操作,如果有则直接获取,没有,则添加
        /// </summary>
        /// <typeparam name="T"></typeparam>
        /// <param name="trans"></param>
        /// <returns></returns>
        public static T RequireComponent<T>(this Transform trans) where T : Component
        {
            var cm = trans.GetComponent<T>();
            if (cm == null)
            {
                cm = trans.gameObject.AddComponent<T>(); 
            }
            return cm;
        }


        /// <summary>
        /// 设置Parent，集成Cinematic Editor后，有用到tranform.SetParent这种写法
        /// </summary>
        /// <typeparam name="T"></typeparam>
        /// <param name="trans"></param>
        /// <returns></returns>
        public static void SetParent<T>(this Transform trans) where T : Component
        {
            
        }
    }
}