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

public class playercontroller : MonoBehaviour
{
    CharacterController playerController;
    public Vector3 moveDirection = Vector3.zero;
    public float MaxSpeed = 10;
    public float x;
    public float y;
    public float rotationSpeed = 5f; 

    // Start is called before the first frame update
    void Start()
    {
        playerController = GetComponent<CharacterController>();
    }

    // Update is called once per frame
    void Update()
    {
        // 获取输入
        x = Input.GetAxis("Horizontal");
        y = Input.GetAxis("Vertical");

        // 计算移动方向
        moveDirection = new Vector3(x, 0, y);
        moveDirection = transform.TransformDirection(moveDirection);

        // 按住左shift加速
        if (Input.GetKeyDown(KeyCode.LeftShift))
        {
            MaxSpeed *= 2;
        }
        if (Input.GetKeyUp(KeyCode.LeftShift))
        {
            MaxSpeed /= 2;
        }
        moveDirection *= MaxSpeed;

        // 获取鼠标位置并射线检测
        Vector3 mouseScreenPosition = Input.mousePosition;
        Ray ray = Camera.main.ScreenPointToRay(mouseScreenPosition);
        RaycastHit hit;

        if (Physics.Raycast(ray, out hit))
        {
            // 获取鼠标点击的世界位置，并计算目标方向
            Vector3 mouseWorldPosition = new Vector3(hit.point.x, transform.position.y, hit.point.z);
            Vector3 direction = mouseWorldPosition - transform.position;
            direction.y = 0;

            // 使用Quaternion.Slerp进行平滑旋转
            Quaternion targetRotation = Quaternion.LookRotation(direction);
            transform.rotation = Quaternion.Slerp(transform.rotation, targetRotation, Time.deltaTime * rotationSpeed);
        }

        // 移动玩家
        playerController.Move(moveDirection * Time.deltaTime);
    }
}