private Vector3 targetVector3;

private float movespeed=0.5f;

private bool IsOver = true;

private GameObject player;

private Camera firstCamera;

float sensitivityX = 2f;

public void Start (GameObject _player,Camera cam)

{

player = _player;

firstCamera = cam;

}

public void Update () {

if (Input.GetMouseButton(0))

{

if (firstCamera == null)

return;

//视角移动

firstCamera.transform.Rotate(0, Input.GetAxis("Mouse X") * sensitivityX, 0);

//1. 获取鼠标点击位置

//创建射线;从摄像机发射一条经过鼠标当前位置的射线

Ray ray = firstCamera.ScreenPointToRay(Input.mousePosition);

//发射射线

RaycastHit hitInfo = new RaycastHit();

if (Physics.Raycast(ray, out hitInfo))

{

//获取碰撞点的位置

if (hitInfo.collider.na