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

public class Buring : MonoBehaviour
{
    private int num = 1;
    public GameObject rayPoint;
    public GameObject point_front;
    public GameObject point_back;
    private SpriteRenderer spriteRenderer;

    // ★追加（Shot)
    public GameObject fireBallPrefab;
    private int speed = 10;

    void Start()
    {
        spriteRenderer = GetComponent<SpriteRenderer>();

        rayPoint.transform.position = point_back.transform.position;

        // ★追加（Shot)
        StartCoroutine(Shot());
    }

    void Update()
    {
        transform.Translate(Vector2.left * Time.deltaTime * speed * num); // ★追加（Shot）変数のspeedにコードを変更

        RaycastHit2D hit2d = Physics2D.Raycast(rayPoint.transform.position, Vector2.left * num, 0.2f);
        Debug.DrawRay(rayPoint.transform.position, Vector3.left * num, Color.white, 0.2f);

        if (hit2d.collider != null)
        {
            if (hit2d.collider.CompareTag("Floor"))
            {
                num *= -1;
            }
        }

        if (num == 1)
        {
            spriteRenderer.flipX = false;

            rayPoint.transform.position = point_back.transform.position;
        }
        else if (num == -1)
        {
            spriteRenderer.flipX = true;

            rayPoint.transform.position = point_front.transform.position;
        }
    }

    // ★追加（Shot)
    private IEnumerator Shot()
    {
        while(true)
        {
            yield return new WaitForSeconds(6); // 走る（６秒間）

            speed = 0; // 停止

            yield return new WaitForSeconds(1);

            // ForeBallを５発発射
            for (int i = 0; i < 5; i++)
            {
                GameObject fireBall = Instantiate(fireBallPrefab, transform.position, Quaternion.identity);
                Rigidbody2D fireBallRb2d = fireBall.GetComponent<Rigidbody2D>();
                Destroy(fireBall, 8.0f);

                int x = Random.Range(-1, 2); // ランダム要素の追加
                fireBallRb2d.AddForce(new Vector2(x, 1) * 500); // 投げる方向を散らす

                yield return new WaitForSeconds(0.5f);
            }

            yield return new WaitForSeconds(1.5f);

            speed = 10; // 走り再開
        }
    }
}