GHZLangChao/Assets/Scripts/Tool/UIFollow.cs

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

public class UIFollow : MonoBehaviour
{

   public float dis;
   public float angle;

    public Vector3 pos;
    void Start()
    {

        // pos = new Vector3(OpenXRCamera.Instance.transform.position.x, 1.5f,OpenXRCamera.Instance.head.transform.position.z + (OpenXRCamera.Instance.transform.forward * 1.5f).z);
        pos = HeadBtnManager.Instance.transform.position;
        Show(pos);
    }

    private void Awake()
    {
        HeadBtnManager.Instance.uiFollow = this;
    }

    // Update is called once per frame
    void Update()
    {
        dis = Vector3.Distance(new Vector3(OpenXRCamera.Instance.head.transform.position.x, 0,OpenXRCamera.Instance.head.transform.position.z), new Vector3(transform.position.x, 0, transform.position.z));

       angle = Vector3.Angle(OpenXRCamera.Instance.head.GetComponent<Camera>().transform .forward, transform.position - OpenXRCamera.Instance.head.transform.position);
      //  Debug.Log("UIFollow  DIS  " + dis  + "   OpenXRCamera "+OpenXRCamera.Instance.transform.position+"   This "+transform.position);
        if(dis>3||(dis>2.5f&&angle>100))
        {

            Hide();
            // 
        }
    }


    // 隐藏

    public void Hide()
    {
        gameObject.SetActive(false);

        HeadBtnManager.Instance.ShowResetBtn(ScenesManager.SceneType.ShowDH, this);
    }




    // 显示 
    public void Show( Vector3 pos  )
    {
      
        transform.position = pos;
        transform.eulerAngles = new Vector3(0,OpenXRCamera.Instance.head.transform.eulerAngles.y, 0);
        gameObject.SetActive(true);
    }
}