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

public class ShotBullet : MonoBehaviour {

	public GameObject bulletPrefab;
	public AudioClip shotSound;
	public float shotSpeed;

	// ★追加
	public int shotBulletCount;

	void Update () {

		if (Input.GetKeyDown (KeyCode.Space)) {

			// ★追加
			// 「return」の意味を復習しましょう！
			if (shotBulletCount < 1) {
				return;
			}

			// ★追加
			shotBulletCount -= 1;

			GameObject bullet = (GameObject)Instantiate (bulletPrefab, transform.position, Quaternion.Euler (transform.parent.eulerAngles.x, transform.parent.eulerAngles.y, 0));
			Rigidbody bulletRb = bullet.GetComponent<Rigidbody> ();
			bulletRb.AddForce (transform.forward * shotSpeed);
			AudioSource.PlayClipAtPoint (shotSound, Camera.main.transform.position);
			Destroy (bullet, 2.0f);
		}
	}
}

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

public class ShotBullet : MonoBehaviour {

	public GameObject bulletPrefab;
	public AudioClip shotSound;
	public float shotSpeed;

	// ★追加
	// 「static」の意味をグーグルで調べてみましょう！
	public static int shotBulletCount = 10;

	void Update () {

		if (Input.GetKeyDown (KeyCode.Space)) {

			if (shotBulletCount < 1) {
				return;
			}
				
			shotBulletCount -= 1;

			GameObject bullet = (GameObject)Instantiate (bulletPrefab, transform.position, Quaternion.Euler (transform.parent.eulerAngles.x, transform.parent.eulerAngles.y, 0));
			Rigidbody bulletRb = bullet.GetComponent<Rigidbody> ();
			bulletRb.AddForce (transform.forward * shotSpeed);
			AudioSource.PlayClipAtPoint (shotSound, Camera.main.transform.position);
			Destroy (bullet, 2.0f);
		}
	}
}

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

public class ShotRocket : MonoBehaviour {

	public GameObject rocketPrefab;
	public AudioClip shotSound;
	public float rocketSpeed;
	private float timeBetweenShot = 1.2f;
	private float timer;

	// ★追加
	public static int shotRocketCount = 10;

	void Update () {

		timer += Time.deltaTime;

		if (Input.GetKeyDown (KeyCode.Space) && timer > timeBetweenShot) {

			// ★追加
			if (shotRocketCount < 1) {
				return;
			}

			// ★追加
			shotRocketCount -= 1;


			timer = 0.0f;

			GameObject rocket = (GameObject)Instantiate (rocketPrefab, transform.position, Quaternion.Euler (transform.parent.eulerAngles.x, transform.parent.eulerAngles.y, 0));
			Rigidbody rocketRb = rocket.GetComponent<Rigidbody> ();
			rocketRb.AddForce (transform.forward * rocketSpeed);
			AudioSource.PlayClipAtPoint (shotSound, Camera.main.transform.position);
			Destroy (rocket, 3.0f);
		}
	}
}