using UnityEngine;
using TMPro;

public class TankHP : MonoBehaviour
{
    public int HP;
    public TextMeshProUGUI HPLabel;

    // ★追加
    private int maxHP = 8; // 最大HP
    public AudioClip itemSound;
    public GameObject effectPrefab;

    private void Start()
    {
        HPLabel.text = "" + HP;
    }

    private void OnCollisionEnter(Collision collision)
    {
        if (collision.gameObject.CompareTag("EnemyShell"))
        {
            HP -= 1;

            HPLabel.text = "" + HP;

            if (HP < 1)
            {
                this.gameObject.SetActive(false);
            }
        }
    }

    // ★追加
    private void OnTriggerEnter(Collider other)
    {
        if (other.CompareTag("HPItem"))
        {
            // HPアイテムを消す
            Destroy(other.gameObject);

            // 効果音を出す
            AudioSource.PlayClipAtPoint(itemSound, transform.position);

            // エフェクトを出す
            GameObject effect = Instantiate(effectPrefab, other.transform.position, Quaternion.identity);

            // エフェクトを消す
            Destroy(effect, 1.0f);

            // HPを「２」回復させる
            HP += 2;
            HPLabel.text = "" + HP;

            // HPが最大値を超えないように制限する
            if (HP > maxHP)
            {
                HP = maxHP;
                HPLabel.text = "" + HP;
            }
        }
    }
}