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

public class PlayerMovement : MonoBehaviour
{
    private float moveSpeed = 0.1f;
    private Vector3 pos;

    void Update()
    {
        float moveH = Input.GetAxis("Horizontal") * moveSpeed;
        float moveV = Input.GetAxis("Vertical") * moveSpeed;
        transform.Translate(moveH, 0, moveV);
        MoveClamp();
    }

    void MoveClamp()
    {
        pos = transform.position;

        pos.x = Mathf.Clamp(pos.x, -10, 10);
        pos.z = Mathf.Clamp(pos.z, -10, 10);

        transform.position = pos;
    }

    public void AddMoveSpeed(float amount)
    {
        moveSpeed += amount;

        if(moveSpeed > 0.4f)
        {
            moveSpeed = 0.4f;
        }
    }

    // ★追加（移動速度のリセット）
    public void ResetMoveSpeed()
    {
        moveSpeed = 0.1f;
    }
}

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

public class FireMissile : MonoBehaviour
{
    public GameObject missilePrefab;
    private float speed = 300;
    public AudioClip sound;
    private int count;
    private int shotInterval = 30;

    void FixedUpdate()
    {
        if (Input.GetKey(KeyCode.Space))
        {
            count += 1;

            if (count % shotInterval == 0)
            {
                GameObject missile = Instantiate(missilePrefab, transform.position, Quaternion.identity);
                Rigidbody missileRb = missile.GetComponent<Rigidbody>();
                missileRb.AddForce(transform.forward * speed);
                AudioSource.PlayClipAtPoint(sound, Camera.main.transform.position);
                Destroy(missile, 2.0f);
            }
        }
    }

    public void AddShotSpeed(int amount)
    {
        speed += amount;

        if (speed > 1000)
        {
            speed = 1000;
        }
    }

    public void ReduceInterval(int amount)
    {
        shotInterval -= amount;

        if(shotInterval < 5)
        {
            shotInterval = 5;
        }
    }

    // ★追加（ミサイル速度・連射能力のリセット）
    public void ResetShot()
    {
        // 初期の値に戻す。
        speed = 300;
        shotInterval = 30;
    }
}

using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using UnityEngine.UI;
using TMPro;
using UnityEngine.SceneManagement;

public class PlayerHealth : MonoBehaviour
{
    public GameObject effectPrefab;
    public AudioClip damageSound;
    public AudioClip destroySound;
    public int maxHP;
    private int HP;
    public Slider HPSlider;
    public int playerCount;
    public TextMeshProUGUI playerLabel;

    void Start()
    {
        HP = maxHP;
        HPSlider.maxValue = HP;
        HPSlider.value = HP;
        playerLabel.text = "" + playerCount;
    }

    private void OnTriggerEnter(Collider other)
    {
        if(other.CompareTag("EnemyMissile"))
        {
            HP -= 1;
            AudioSource.PlayClipAtPoint(damageSound, Camera.main.transform.position);
            Destroy(other.gameObject);

            HPSlider.value = HP;

            if(HP == 0)
            {
                GameObject effect = Instantiate(effectPrefab, transform.position, Quaternion.identity);
                Destroy(effect, 1.0f);
                AudioSource.PlayClipAtPoint(destroySound, Camera.main.transform.position);

                this.gameObject.SetActive(false);

                playerCount -= 1;
                playerLabel.text = "" + playerCount;

                if(playerCount > 0)
                {
                    Invoke("Retry", 1.0f);
                }
                else
                {
                    SceneManager.LoadScene("GameOver");
                }
            }
        }
    }

    void Retry()
    {
        this.gameObject.SetActive(true);

        HP = maxHP;
        HPSlider.maxValue = HP;
        HPSlider.value = HP;

        // ★追加（リセットメソッドの実行）
        GetComponent<PlayerMovement>().ResetMoveSpeed();
        GetComponentInChildren<FireMissile>().ResetShot(); // 子オブジェクトのコンポーネントの取得方法（ポイント）
    }
}