Face_To_Camera_2　C#

Face_To_Camera_2.cs

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

public class FaceTo : MonoBehaviour {

    public GameObject cube;  //cubeを入れる箱を作成
    public Camera mainCamera;　//カメラを入れる箱を作成

	// Use this for initialization
	void Start () {
		
	}
	
	// Update is called once per frame
	void Update () {
        //カメラをcubeの方向へ向ける  transform.LookAT
        //transform.LoolAt関数はオブジェクトを対象の方向へ向ける
        mainCamera.transform.LookAt(cube.transform);
    }
}