using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using UnityEngine.UI;

public class Controller : MonoBehaviour
{
    /// <summary>
    /// 提升机模型
    /// </summary>
    public GameObject hoister;
    /// <summary>
    /// 小车模型
    /// </summary>
    public GameObject trolley;
    public Button but;
    private Camera mainCamera;
    private bool isDragging = false;
    private Transform objectToDrag;
    private Vector3 offset;
    void Start()
    {
        //mainCamera = Camera.main;
        //string str = "提升机";
        //but.onClick.AddListener(() =>
        //{
        //    Displaymodel(str);
        //});
    }

    public void Displaymodel(string data)
    {
        if (data == "小车")
        {
            hoister.SetActive(false);
            trolley.SetActive(true);
        }
        else if(data == "提升机")
        {
            trolley.SetActive(false);
            hoister.SetActive(true);
        }
        else
        {
            Debug.Log("错误参数");
        }
    }
    void Update()
    {
        ////// 检测鼠标左键按下
        //if (Input.GetMouseButtonDown(1))
        //{
        //    Ray ray = mainCamera.ScreenPointToRay(Input.mousePosition);
        //    RaycastHit hit;

        //    // 射线检测物体
        //    if (Physics.Raycast(ray, out hit))
        //    {
        //        if (hit.collider.CompareTag("Car"))
        //        {
        //            // 检测到的物体是我们想拖动的物体
        //            objectToDrag = hit.transform;
        //            isDragging = true;
        //            // 计算鼠标点击位置与物体中心的偏移
        //            offset = objectToDrag.position - GetMouseWorldPosition();
        //        }
        //        if (hit.collider.CompareTag("Hoister"))
        //        {
        //            // 检测到的物体是我们想拖动的物体
        //            objectToDrag = hit.transform;
        //            isDragging = true;
        //            // 计算鼠标点击位置与物体中心的偏移

        //            offset = objectToDrag.position - GetMouseWorldPosition();
        //        }
        //    }
        //}

        //// 检测鼠标左键释放
        //if (Input.GetMouseButtonUp(1))
        //{
        //    isDragging = false;
        //    objectToDrag = null;
        //}
        //Vector3 mousePosition = Input.mousePosition;
        //// 如果正在拖动物体，则更新物体位置
        //if (isDragging && objectToDrag != null&& mousePosition.x >= 0 && mousePosition.x <= Screen.width &&
        //    mousePosition.y >= 0 && mousePosition.y <= Screen.height)
        //{
        //    objectToDrag.position = GetMouseWorldPosition() + offset;
        //}

    }

    Vector3 GetMouseWorldPosition()
    {
        // 获取鼠标在世界空间中的位置
        Vector3 mouseScreenPosition = Input.mousePosition;
        mouseScreenPosition.z = mainCamera.WorldToScreenPoint(objectToDrag.position).z;
        return mainCamera.ScreenToWorldPoint(mouseScreenPosition);
    }
  
}