using UnityEngine;
using UnityEngine.InputSystem;

public class CameraFollow : MonoBehaviour
{
    // Start is called once before the first execution of Update after the MonoBehaviour is created
    private InputAction lookAction;
    private Vector2 lookInput;
    /// <summary>
    /// 跟随目标
    /// </summary>
    private Transform target;
    private Vector3 Lastposition;
    void Awake()
    {
        // 获取场景中的相机
        Camera camera = Camera.main;
        // 获取相机的 Transform
        Transform cameraTransform = camera.transform;
        // 获取相机的父级
        Transform parent = cameraTransform.parent;
        // 获取相机的父级下的所有子级
        Transform[] children = parent?.GetComponentsInChildren<Transform>();
        // 遍历所有子级
    }
    void Start()
    {
        target = GameObject.Find("Player").transform;
        Lastposition = target.position;
        PlayerInput playerInput = FindAnyObjectByType<PlayerInput>();
        lookAction = playerInput.actions.FindAction("Attack");
        lookAction.performed += (context) =>
        {
            var mousePos = Mouse.current.position.ReadValue();
            Ray ray = Camera.main.ScreenPointToRay(mousePos);
            Physics.Raycast(ray, out RaycastHit hit);

            if (hit.collider != null)
            {
                GameObject obj = hit.collider.gameObject;
                // if (obj.GetComponent<Note>() != null)
                // {
                //     if (obj.GetComponent<Note>().hitable)
                //         MusicGame.Instance.onNoteHit(obj.GetComponent<Note>().Uid);
                // }
                Debug.Log($"点击到了物体: {obj.name}");
            }
            else
            {
                Debug.Log("未点击到任何物体。");
            }
        };
    }

    // Update is called once per frame
    void Update()
    {

    }
    void FixedUpdate()
    {
        var offset = Lastposition - target.position;
        Lastposition = target.position;
        transform.position += offset;
    }
}