Unity click and drag script to rotate camera

Just googling around to find how to rotate camera with mouse click and drag. Thanks to this link: https://answers.unity.com/questions/1189946/click-and-drag-to-rotate-camera-like-a-pan.html This code is originally taken from that link: using System.Collections; using System.Collections.Generic; using UnityEngine; public class CamRotate : MonoBehaviour { public float speed = 3.5f; private float...