public class RotateScript : MonoBehaviour

{

? ? // Start is called before the first frame update

? ? public float speed = 1;

? ? private Vector3 lastPostion;

? ? public LayerMask whatIsGround;

? ? void Start()

? ? {

? ? }

? ? // Update is called once per frame

? ? void Update()

? ? {

? ? ? ? //旋轉(zhuǎn)方法一

? ? ? ? //if (Input.GetMouseButtonDown(0))

? ? ? ? //{

? ? ? ? //? ? lastPostion = Input.mousePosition;

? ? ? ? //}

? ? ? ? //else if (Input.GetMouseButton(0)) {

? ? ? ? //? ? Vector3 newPostion = Input.mousePosition;

? ? ? ? //? ? Vector3 potPoint = lastPostion - newPostion;

? ? ? ? //? ? lastPostion = newPostion;

? ? ? ? //? ? Quaternion rot = Quaternion.Euler(potPoint.y* speed, potPoint.x * speed,0);

? ? ? ? //? ? transform.rotation = rot * transform.rotation;

? ? ? ? //}

? ? ? ? //旋轉(zhuǎn)方法二

? ? ? ? Ray ray = Camera.main.ScreenPointToRay(Input.mousePosition);

? ? ? ? Debug.Log(ray);

? ? ? ? RaycastHit hitInfo;

? ? ? ? if (Physics.Raycast(ray, out hitInfo, 200, whatIsGround)) {

? ? ? ? ? ? Vector3 target = hitInfo.point;

? ? ? ? ? ? //target.y = transform.position.y;

? ? ? ? ? ? transform.LookAt(target);

? ? ? ? }

? ? }

}