カメラが対象を追跡する

FollowCamera2D.cs

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

public class FollowCamera2D : MonoBehaviour {

	[SerializeField] Transform target;

	private Vector3 offset = new Vector3(0, 0, -10);

	void LateUpdate () 
  {
		transform.localPosition = target.position + offset;
	}
}