using UnityEngine;

public class KeyboardBowController : MonoBehaviour
{
    [Header("W/S 上下、A/D 左右、Q/ 射击/ 、Y/U 胜利/失败")]
    public float rotateSpeed = 60f;      // 每秒旋转角度
    public bool smooth = false;          // 是否平滑旋转
    public float smoothSpeed = 10f;

    private Quaternion targetRotation;

    void Start()
    {
        if (CameraToLook.ins == null)
        {
            Debug.LogError("CameraToLook.ins 未找到！");
            enabled = false;
            return;
        }

        targetRotation = CameraToLook.ins.localRotation;
    }

    void Update()
    {
        HandleKeyboardInput();

        if (smooth)
        {
            CameraToLook.ins.localRotation =
                Quaternion.Slerp(CameraToLook.ins.localRotation, targetRotation, Time.deltaTime * smoothSpeed);
        }
        else
        {
            CameraToLook.ins.localRotation = targetRotation;
        }
    }
    /**
     *         如果是屏幕坐标
     *          Ray ray = Camera.main.ScreenPointToRay(point);
                    Vector3 rayEndPoint = ray.GetPoint(200);
                    Quaternion quat = Quaternion.LookRotation(rayEndPoint - Camera.main.transform.position);
                    // 挑战场景中其相机的父级有旋转，需要换算
                    quat = Quaternion.AngleAxis(-180, Vector3.up) * quat;
                     if (CameraToLook.ins != null) CameraToLook.ins.localRotation = quat;
     */
    void HandleKeyboardInput()
    {
        float delta = rotateSpeed * Time.deltaTime;

        // 上下（X轴旋转）
        if (Input.GetKey(KeyCode.W))
            targetRotation *= Quaternion.Euler(-delta, 0, 0);
        if (Input.GetKey(KeyCode.S))
            targetRotation *= Quaternion.Euler(delta, 0, 0);

        // 左右（Y轴旋转）
        if (Input.GetKey(KeyCode.A))
            targetRotation *= Quaternion.Euler(0, -delta, 0);
        if (Input.GetKey(KeyCode.D))
            targetRotation *= Quaternion.Euler(0, delta, 0);

    }
}