DeMa/Assets/MouseLook.cs

using UnityEngine;
 
public class MouseLook : MonoBehaviour
{
    public float sensitivity = 100f; // 敏感度
    public float clampAngle = 80f; // 视角限制角度
 
    private float yMinLimit = -80f; // 最小视角限制
    private float yMaxLimit = 80f; // 最大视角限制
 
    private float x = 0f; // 用于存储camera的X角度
    private float y = 0f; // 用于存储camera的Y角度
 
    public float zoomSpeed = 5.0f; // 调整速度
    public float minFOV = 10.0f; // 最小视角
    public float maxFOV = 90.0f; // 最大视角
 
    private Camera cam;
    private float currentFOV;
    void Start()
    {
        // 初始化角度
        y = transform.eulerAngles.y;
        cam = GetComponent<Camera>();
        currentFOV = cam.fieldOfView;
    }
    private float rotateSpeed = 30f;
    private float movespeed = 5;

    void FixedUpdate()
    {
    }
bool isenter = false;
    public void enter()
    {
isenter=true;
    }
    public void exit()
    {
isenter=false;
    }
    public Transform playerBody; // 角色的body，用于确定转向的参照点
    private float xRotation = 0f; // 记录水平旋转角度
    Vector3 downv3=Vector3.zero;
    void Update()
    {   
        if(!isenter)
         return;
        // 检查鼠标滚轮是否有移动
        float scrollInput = Input.GetAxis("Mouse ScrollWheel");
        if (scrollInput != 0)
        {
            // 根据滚轮输入调整视角
            currentFOV -= scrollInput * zoomSpeed;
            currentFOV = Mathf.Clamp(currentFOV, minFOV, maxFOV);
            cam.fieldOfView = currentFOV;
        }


        if (Input.GetKey(KeyCode.W))
        {
            transform.Translate(Vector3.forward * Time.deltaTime * speed*10);
        }
        else if (Input.GetKey(KeyCode.S))
        {
            transform.Translate(Vector3.back * Time.deltaTime * speed*10);
        }

        if (Input.GetKey(KeyCode.A))
        {
            transform.Translate(Vector3.left * Time.deltaTime * speed*10);
        }
        else if (Input.GetKey(KeyCode.D))
        {
            transform.Translate(Vector3.right * Time.deltaTime * speed*10);
        }
        if (!Input.GetMouseButton(1)&&!Input.GetMouseButton(0)) return;

        if (Input.GetMouseButton(0) || Input.GetMouseButton(1))
        {
            transform.Rotate(Vector3.up, Input.GetAxis("Mouse X") * speed * 10);
            transform.Rotate(Vector3.left, Input.GetAxis("Mouse Y") * speed * 10);
            transform.eulerAngles = new Vector3(transform.eulerAngles.x, transform.eulerAngles.y, 0);
        }

        if (Input.GetKey(KeyCode.Escape))
        {
            transform.position = positionReset;
            transform.eulerAngles = eulerAnglesReset;
        }
    }


        [Range(0.1f, 10f)]
        public float speed = 0.4f;
        Vector3 positionReset, eulerAnglesReset;

        void Awake()
        {
            positionReset = transform.position;
            eulerAnglesReset = transform.eulerAngles;
        }
}