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

public class ZoneUI : MonoBehaviour
{

    public Camera _camera;

    public Transform target;

    public Vector3 offset=Vector3.zero;

    private Vector3 startScale;

    public bool isScreen = true;

    public bool isCameraDistance = false;
    private float distanceScale;
    
    Vector3 pos;
    private void Start()
    {
        if (_camera == null)
        {

            _camera = GameObject.FindGameObjectWithTag("MainCamera").GetComponent<Camera>();
        }

        startScale = transform.localScale;

       
    }
    public void Update()
    {
       
        if (isScreen)
        {
            if (isCameraDistance)
            {
                distanceScale = Vector3.Distance(_camera.transform.position, target.transform.position) * Level3Manager.Instance.KuangDistanceValue;
                pos = _camera.WorldToScreenPoint(target.position);
                this.transform.localScale = distanceScale * startScale;
            }
            else
            {
                pos = _camera.WorldToScreenPoint(target.position);
               
            }
          
        }
        else 
        {
            pos = target.position;
            transform.localScale = startScale;
            transform.LookAt(_camera.transform);
        }
      
        transform.position = pos + offset;
        //transform.LookAt(_camera.transform);
    }



}