using EasyInject.Attributes;
using System;
using Unity.VisualScripting;
using UnityEngine;
using UnityEngine.Playables;
/// <summary>
/// 相机控制
/// </summary>
[GameObjectBean]
public class CameraController : MonoBehaviour
{
    public Transform target; // 要围绕其旋转的目标物体

    [Space(5)]
    [Header("缩放配置")]
    public float zoomSpeed = 5.0f; // 缩放速度
    public float minDistance = 1.0f; // 最小距离
    public float maxDistance = 30.0f; // 最大距离
    public float speed = 1f; // 最大距离
    public float distance = 0f; // 最大距离

    public float yMin = 1;
    public float yMax = 60;
    private float xRot = 0; 
    private float yRot = 0;


    public bool isPlaying = true;
    void Start()
    {
        distance = Vector3.Distance(transform.position, target.position);
       
    }

    void FixedUpdate()
    {
        //鼠标围绕目标旋转
        mouseRoundRoller();

        // 检测鼠标滚轮输入并进行缩放
        float scrollInput = Input.GetAxis("Mouse ScrollWheel");

        if (scrollInput != 0)
        {
            // 根据鼠标滚轮的方向改变距离
            Camera camera = transform.GetComponent<Camera>();

            float result = camera.fieldOfView - scrollInput * zoomSpeed;
            // 限制距离范围
            result = Mathf.Clamp(result, minDistance, maxDistance);
            camera.fieldOfView = result;
        }
    }
    /// <summary>
    /// 鼠标操作旋转
    /// </summary>
    void mouseRoundRoller()
    {
        if (Input.GetMouseButton(0)) // 检查鼠标左键是否按下
        {
            // 根据鼠标移动量调整旋转角度
            float mouseX = Input.GetAxis("Mouse X") * speed;
            float mouseY = Input.GetAxis("Mouse Y") * speed;

            yRot -= mouseX;
            xRot += mouseY;

            // 限制上下旋转角度
            xRot = Mathf.Clamp(xRot, -90, 90);
            // 应用新的旋转角度
            transform.rotation = Quaternion.Euler(xRot, yRot, 0);

            // 更新位置以保持与目标物体的距离不变

            Vector3 v = target.position - transform.forward * distance;
            transform.position = v;
        }

    }


}