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

public class Infrared : MonoBehaviour
{
    public AudioClip sound;
    public float maxDistance = 50f;
    private LineRenderer lr;
    private AudioSource audioSource;

    private void Start()
    {
        lr = GetComponent<LineRenderer>();
        audioSource = GetComponent<AudioSource>();
    }

    void Update()
    {
        Debug.DrawRay(transform.position, transform.forward * maxDistance, Color.blue);

        Ray ray = new Ray(transform.position, transform.forward);
        RaycastHit hit;
        lr.SetPosition(0, ray.origin);

        if(Physics.Raycast(ray, out hit, maxDistance))
        {
            lr.SetPosition(1, hit.point);

            if(hit.transform.CompareTag("Player"))
            {
                print("侵入者発見");
                // 警報音を鳴らす。
                audioSource.clip = sound;
                audioSource.Play();
            }
        }
        else
        {
            lr.SetPosition(1, ray.origin + ray.direction * maxDistance);
        }
    }
}