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; // 発射間隔の調整（ロケット弾は連射不可）
	private float timer;

	void Update () {

		timer += Time.deltaTime;

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

			// ポイント；タイマーの時間を０に戻す。
			timer = 0.0f;

			// （ポイント）ロケット弾の生成「角度」を「親の角度（向き）」と一致させる。
			// この意味を考えてみましょう！
			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);
		}
	}
}