NaiNiu/Assets/Scenes/followPos.cs

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

public class followPos : MonoSingleton<followPos>
{

    public float jd = 30;

    // Update is called once per frame
    void Update()
    {
        this.transform.position = OpenXRCamera.Instance.head.position;
        float f = Mathf.Abs(this.transform.eulerAngles.y - OpenXRCamera.Instance.head.eulerAngles.y) - jd;
        if (this.transform.eulerAngles.y - OpenXRCamera.Instance.head.eulerAngles.y >= jd && this.transform.eulerAngles.y - OpenXRCamera.Instance.head.eulerAngles.y < jd + 180)
        {
            if (Mathf.Abs(this.transform.eulerAngles.y - OpenXRCamera.Instance.head.eulerAngles.y) > 180)
            {

                transform.RotateAround(Vector3.zero, Vector3.up, f);
            }
            else
            {
                transform.RotateAround(Vector3.zero, Vector3.up, -f);

            }
        }
        else if (this.transform.eulerAngles.y - OpenXRCamera.Instance.head.eulerAngles.y < -jd && this.transform.eulerAngles.y - OpenXRCamera.Instance.head.eulerAngles.y > -jd - 180)
        {
            if (Mathf.Abs(this.transform.eulerAngles.y - OpenXRCamera.Instance.head.eulerAngles.y) > 180)
            {

                transform.RotateAround(Vector3.zero, Vector3.up, -f);
            }
            else
            {
                transform.RotateAround(Vector3.zero, Vector3.up, f);

            }

        }
        else if (360 - (this.transform.eulerAngles.y - OpenXRCamera.Instance.head.eulerAngles.y) >= jd && 360 - (this.transform.eulerAngles.y - OpenXRCamera.Instance.head.eulerAngles.y) < 180)
        {
            transform.RotateAround(Vector3.zero, Vector3.up, -jd - 360 - (this.transform.eulerAngles.y - OpenXRCamera.Instance.head.eulerAngles.y));

        }
        else if (360 + (this.transform.eulerAngles.y - OpenXRCamera.Instance.head.eulerAngles.y) >= jd && 360 + (this.transform.eulerAngles.y - OpenXRCamera.Instance.head.eulerAngles.y) < 180)
        {

            transform.RotateAround(Vector3.zero, Vector3.up, jd - (360 + (this.transform.eulerAngles.y - OpenXRCamera.Instance.head.eulerAngles.y)));
        }
    }
}