using System.Collections;
using System.Collections.Generic;
using UnityEngine;
// ★追加
using TMPro;

public class EnemyGene : MonoBehaviour
{
    // ★追加
    private int level = 1;
    public TextMeshProUGUI levelLabel;

    // ★改良
    public GameObject[] enemyPrefabs;

    void Start()
    {
        StartCoroutine(BotGene());
    }

    // ★追加
    private void Update()
    {
        levelLabel.text = "LEVEL " + level;
    }

    private IEnumerator BotGene()
    {
        yield return new WaitForSeconds(2f);

        // ★追加
        while (true)
        {
            // ★改良
            // EnmeyBot_A（最初は10体）
            // レベルが上がるごとに、出現する敵の数も１つずつ増えていく（ポイント）
            for (int i = 0; i < (9 + level); i++)
            {
                Instantiate(enemyPrefabs[0], transform.position, transform.rotation);

                yield return new WaitForSeconds(1f);
            }

            yield return new WaitForSeconds(2f);

            // ★追加
            // EnemyBot_B（最初は3体）
            for (int i = 0; i < (2 + level); i++)
            {
                Instantiate(enemyPrefabs[1], transform.position, transform.rotation);

                yield return new WaitForSeconds(1f);
            }

            yield return new WaitForSeconds(2f);

            // EnemyBot_C（最初は5体）
            for (int i = 0; i < (4 + level); i++)
            {
                Instantiate(enemyPrefabs[2], transform.position, Quaternion.identity);

                yield return new WaitForSeconds(1f);
            }

            // EnemyBot_D（最初は4体）
            for (int i = 0; i < (3 + level); i++)
            {
                Instantiate(enemyPrefabs[3], transform.position, Quaternion.identity);

                yield return new WaitForSeconds(1f);
            }

            level += 1; // レベルの更新

            yield return new WaitForSeconds(3f);
        }
    }
}