using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using UnityEngine.AI;

public class KeyController : BaseController
{   
    /// <summary>
    /// 控制对象的Transform
    /// 若为空则控制当前脚本所在对象
    /// </summary>
    [Tooltip("控制对象的Transform，默认为当前对象")]
    public Transform tran;
    /// <summary>
    /// 移动速度（米/秒）
    /// </summary>
    [Tooltip("移动速度（米/秒）")]
    public float moveSpeed = 5;
    /// <summary>
    /// 旋转速度（角度/秒）
    /// </summary>
    [Tooltip("旋转速度（角度/秒）")]
    public float rotateSpeed = 10;
    /// <summary>
    /// 移动时自动调整视角
    /// </summary>
    public bool AutoResetView = true;

    void Start()
    {
        if (tran == null)
            tran = transform;
    }

    float h, v;

    void Update()
    {
        // Debug.Log(IsKeyOnControl);
        if (CanControl)
        {
            if (Input.GetKey(KeyCode.Q))
            {
                tran.Rotate(Vector3.down * rotateSpeed * Time.deltaTime);           // 左旋转
            }
            if (Input.GetKey(KeyCode.E))
            {
                tran.Rotate(Vector3.up * rotateSpeed * Time.deltaTime);             // 右旋转
            }

            h = Input.GetAxis("Horizontal");  // 获取水平偏移量
            v = Input.GetAxis("Vertical");    // 获取垂直偏移量

            if (h != 0 || v != 0)
            {
                ControllWithKey(h, v);
            }
            else
            {
                IsKeyOnControl = false;
            }
        }
    }

    Vector3 tmp;
    /// <summary>
    /// 使用键盘控制对象
    /// </summary>
    /// <param name="h">水平偏移量</param>
    /// <param name="v">垂直偏移量</param>
    void ControllWithKey(float h, float v)
    {
        IsKeyOnControl = true;

        //tran.position += tran.forward * moveSpeed * Time.deltaTime * v;         // 移动
        //tran.Rotate(Vector3.up * rotateSpeed * Time.deltaTime * h);             // 旋转

        tmp.x = h;
        tmp.z = v;
        if (Input.GetKey(KeyCode.LeftShift))
        {
            tran.Translate(tmp * moveSpeed * Time.deltaTime * 4f);
        }
        else
        {
            tran.Translate(tmp * moveSpeed * Time.deltaTime);
        }
    }
}