GHZMRNavigatorPro/Assets/Scripts/Vuforia/Vuforia/TargetObjDeg.cs

/****************************
  summary：

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

public class TargetObjDeg : MonoBehaviour
{
    public bool state;
    public Transform player;
    private float y;
    private Vector3 disPos;
    private float dic;
    private Vector3 dir;
    private Vector3 cross;
    private float dot;
    private float deg;

    private void Start()
    {
        state = false;
    }

    public void FixedUpdate()
    {
        if (!state)
            return;

        dic = Mathf.Abs(Vector3.Distance(player.position, transform.position));
        if (dic < 2.5f)
        {   
            dir = player.position - transform.position;
            cross = Vector3.Cross(transform.forward, dir);
            dot = Vector3.Dot(transform.forward, dir.normalized);
            deg = Mathf.Acos(dot) * Mathf.Rad2Deg;
            //Debug.Log("  ");
            //dic =Mathf.Abs( Vector3.Distance(player.position, transform.position));
            Debug.Log("cross.y : " + cross.y + "deg : " + deg);
         //   VuforiaManager.Instance.text.text = "Dot : " + dot + " deg : " + deg + " dic: " + dic;
            if (cross.y < 0 && deg >= 165)
            {
                VuforiaManager.Instance.isCorrect = true;
            }
            else if(VuforiaManager.Instance.isCorrect)
            {
                VuforiaManager.Instance.isCorrect = false;
            }


            //Vector3 pDir = transform.position - player.position;
            //Vector3 pCross = Vector3.Cross(player.forward, pDir);
            //float pDot = Vector3.Dot(player.forward, pDir.normalized);
            //float pDeg = Mathf.Acos(pDot) * Mathf.Rad2Deg;

        }
    }

}