Part6a_5

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

namespace PUNTutorial
{

    public class Billboard : MonoBehaviour
    {
        [SerializeField] string cameraTag;

        Player _player;
        Player player
        {
            get
            {
                if (_player == null) _player = GetComponentInParent<Player>();
                return _player;
            }
        }

        Camera _sceneCamera;
        Camera sceneCamera
        {
            get
            {
                if (_sceneCamera == null) _sceneCamera = GameObject.FindGameObjectWithTag(cameraTag).GetComponent<Camera>();
                return _sceneCamera;
            }
        }

        void Update()
        {
            transform.LookAt(sceneCamera.transform);
            var rot = transform.rotation.eulerAngles;
            rot.x = 0;
            rot.y -= 180;
            rot.z = 0;
            transform.rotation = Quaternion.Euler(rot);
        }
    }
}