追従するカメラ

Camera.cs

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

public class Camera : MonoBehaviour {
	public Transform target;

	void Start () {
		target = GameObject.FindWithTag("Player").transform;
	}

	void Update () {
		transform.position = target.position + new Vector3(0, 1, -3);
	}
}