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

public class ShotShell : MonoBehaviour
{
    public float shotSpeed;
    [SerializeField]
    private GameObject shellPrefab = null;
    [SerializeField]
    private AudioClip shotSound = null;
    private float timeBetweenShot = 0.75f;
    private float timer;
    public int shotCount;

    // ★追加
    [SerializeField]
    private Text shellLabel;

    // ★追加
    // Startの「S」は大文字なので注意！
    void Start()
    {
        shellLabel.text = "砲弾：" + shotCount;
    }

    void Update()
    {
        timer += Time.deltaTime;

        if (Input.GetKeyDown(KeyCode.Space) && timer > timeBetweenShot && shotCount > 0)
        {
            shotCount -= 1;

            // ★追加
            shellLabel.text = "砲弾：" + shotCount;

            timer = 0.0f;
            GameObject shell = Instantiate(shellPrefab, transform.position, Quaternion.identity);
            Rigidbody shellRb = shell.GetComponent<Rigidbody>();
            shellRb.AddForce(transform.forward * shotSpeed);
            Destroy(shell, 3.0f);
            AudioSource.PlayClipAtPoint(shotSound, transform.position);
        }
    }
}