CGQ/Assets/Scripts/Tool/CheckKuang.cs

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

public class CheckKuang : MonoBehaviour
{
    private Text carTypeTxt;
    private Text carSpeedTxt;
    public Car _car;
    private float _speed;
    private bool openCheck = false;

    private Ray _ray;
    public Camera _camera;
    private Vector2 scale;

    public float disValue;

    public void Init(int carType, float speed)
    {
        scale = GameManagerForZhuanWan.Instance.kuangScale;

        this.GetComponent<RectTransform>().sizeDelta = new Vector2(Const.Kuang_Wight * scale.x, Const.Kuang_Height * scale.y);

        carTypeTxt = transform.Find("CarTypeTxt").GetComponent<Text>();
        carSpeedTxt = transform.Find("CarSpeedTxt").GetComponent<Text>();
        switch (carType)
        {
            case 1:
                carTypeTxt.text = "轿车";
                break;
            case 2:
                carTypeTxt.text = "SUV";
                break;
            case 3:
                carTypeTxt.text = "货车";
                break;
        }
        _speed = speed;
        carSpeedTxt.text = _speed.ToString();
        openCheck = true;
        _ray = new Ray();
    }

    private void Update()
    {
        if (openCheck)
        {
            if (_car.gameObject.activeSelf == false)
            {
                this.GetComponent<Image>().enabled = false;
                for (int i = 0; i < transform.childCount; i++)
                {
                    transform.GetChild(i).gameObject.SetActive(false);
                }
            }
            else
            {
                this.GetComponent<Image>().enabled = true;
                for (int i = 0; i < transform.childCount; i++)
                {
                    transform.GetChild(i).gameObject.SetActive(true);
                }
            }
            //int random = Random.Range(0, 1);
            //if (random == 0)
            //{
            //    _speed +=0.1f;

            //}
            //else
            //{
            //    _speed -= 0.1f;
            //}

            carSpeedTxt.text = _car.overSpeed.ToString();
            if (GameManagerForZhuanWan.Instance.OpenKuangAutoScale)
            {
                AutoScale();
            }
            else
            {
                this.GetComponent<RectTransform>().sizeDelta = new Vector2(Const.Kuang_Wight * scale.x, Const.Kuang_Height * scale.y);
            }

        }
    }

    private void AutoScale()
    {
        RaycastHit hit;


        float distance = Vector3.Distance(_car.transform.position, _camera.transform.position);
        float maxDistance = Const.Pass1CameraFarClip;
        distance = Mathf.Clamp(distance, 15, maxDistance);
        float rate = Mathf.SmoothStep(0.25f, 1f, 1 - (distance / maxDistance));
        disValue = rate;
        float h;
        float w;

        h = rate * 75;
        w = rate * 80;


        this.GetComponent<RectTransform>().sizeDelta = new Vector2(w, h);


        if (rate >= 0.9f)
        {

            //if (distance <= 15)
            //{
            //    this.GetComponent<Image>().enabled = false;
            //    carSpeedTxt.enabled = false;
            //    carTypeTxt.enabled = false;

            //}
            //else
            //{
            //    this.GetComponent<RectTransform>().sizeDelta = new Vector2(w *distance* GameManagerForZhuanWan.Instance.kuangDistanceValue, h * distance * GameManagerForZhuanWan.Instance.kuangDistanceValue);
            //}
            if (distance <= 35&&distance>15)
                this.GetComponent<RectTransform>().sizeDelta = new Vector2(w + rate * GameManagerForZhuanWan.Instance.kuangDistanceValue, h + (rate+0.2f) * GameManagerForZhuanWan.Instance.kuangDistanceValue);
            else if (distance <= 15)
            {
                this.GetComponent<Image>().enabled = false;
                carSpeedTxt.enabled = false;
                carTypeTxt.enabled = false;
            }
            else
            {
                if (GameManagerForZhuanWan.Instance.openZheDang)
                {
                    _ray.direction = (_car.transform.position + new Vector3(0, 2, 0) - _camera.transform.position).normalized;
                    _ray.origin = _camera.transform.position;
                    if (Physics.Raycast(_ray, out hit, (_car.transform.position + new Vector3(0, 2, 0) - _camera.transform.position).magnitude)) ;
                    {
                        //Debug.DrawLine(_camera.transform.position + new Vector3(0, 2, 0), _car.transform.position);
                        if (hit.collider != null)
                        {
                            if (hit.collider.tag == "ZhangAi")
                            {
                                this.GetComponent<Image>().enabled = false;
                                carSpeedTxt.enabled = false;
                                carTypeTxt.enabled = false;
                                return;
                            }
                        }


                    }

                    this.GetComponent<Image>().enabled = true;
                    carSpeedTxt.enabled = true;
                    carTypeTxt.enabled = true;
                }


            }



        }


    }
}