Unity 图片朝向摄像机（名称，序号等）

using System.Collections;
using System.Collections.Generic;
using UnityEngine;

public class LookAtCam : MonoBehaviour
{
    public Transform m_Camera;

    // 用LateUpdate, 在每一帧的最后调整Canvas朝向
    void LateUpdate()
    {
        if (m_Camera == null)
        {
            return;
        }
        transform.rotation = Quaternion.LookRotation(transform.position - m_Camera.position);
        //this.transform.localScale = new Vector3(0.001f, 0.001f, 0.001f);
    }
}