Open Media Lab.
オープンメディアラボ

スペースシューター
Space Shooter

「Space Shooter」公式チュートリアル

【事前学習】前回学んだ機能を再確認しておきましょう。

Scoring, Finishing and Building the Game
Ending the game

操作手順

1. Game Over と Restart 用のテキストを Canvas の子として生成、配置し、Score と同様に設定をする。
2. GameController.cs に以下のように追記。
   

   
   using System.Collections;
   using System.Collections.Generic;
   using UnityEngine;
   using UnityEngine.UI;
   using UnityEngine.SceneManagement;
   
   public class GameController : MonoBehaviour
   {
   	public GameObject hazard;
   	public Vector3 spawnValues;
   	public int hazardCount=10;
   	public float spawnWait=0.5f;
   	public float startWait=1.0f;
   	public float waveWait=4.0f;
   
   	public Text scoreText;
   	private int score = 0;
   	public Text restart;
   	public Text gameOver;
   
   	void Start(){
   		scoreText.text = "Score: 0";
   		restart.text = "";
   		gameOver.text = "";
   		StartCoroutine(SpawnWaves());
   	}
   
   	void Update(){
   		if (!string.IsNullOrEmpty(restart.text)){
   			if (Input.GetKeyDown(KeyCode.R)){
   				SceneManager.LoadScene("SampleScene");
   			}
   		}
   	}
   
   	IEnumerator SpawnWaves()
   	{
   		yield return new WaitForSeconds(startWait);
   		while (true){
   			for(int i=0;i<hazardCount; i++){
   				Vector3 spawnPosition = new Vector3(
   					UnityEngine.Random.Range(-spawnValues.x, spawnValues.x),
   					spawnValues.y,
   					spawnValues.z
   				);
   				Quaternion spawnRotation = Quaternion.identity;
   				Instantiate(hazard, spawnPosition, spawnRotation);
   				yield return new WaitForSeconds(spawnWait);
   			}
   			yield return new WaitForSeconds(waveWait);
   
   			if (!string.IsNullOrEmpty(gameOver.text)){
   				restart.text = "Press 'R' for Restart";
   				break;
   			}
   		}
   	}
   	public void AddScore(int newScoreValue){
   		score += newScoreValue;
   		scoreText.text = "Score: " + score;
   	}
   	public void GameOver(){
   		gameOver.text = "Game Over !";
   	}
   }
   

3. DestroyByContact.cs に以下のように追記。
   

   
   using System.Collections;
   using System.Collections.Generic;
   using UnityEngine;
   
   public class DestroyByContact : MonoBehaviour
   {
   	public GameObject explosion;
   	public GameObject playerExplosion;
   
   	public int scoreValue=10;
   	private GameController gameController;
   
   	private void Start(){
   		GameObject gc = GameObject.FindWithTag("GameController");
   		if (gc != null){
   			gameController = gc.GetComponent<GameController>();
   		}else{
   			Debug.Log("Cannot find GameController Tag Object");
   		}
   	}
   	private void OnTriggerEnter(Collider other)
   	{
   		if (other.tag == "Boundary"){
   			return;
   		}
   		Instantiate(explosion, transform.position, transform.rotation);
   		if (other.tag == "Player"){
   			Instantiate(
   				playerExplosion,
   				other.transform.position,
   				other.transform.rotation
   			);
   			gameController.GameOver();
   		}
   		gameController.AddScore(scoreValue);
   		Destroy(other.gameObject);
   		Destroy(gameObject);
   	}
   }
   

【事後学習】本日学んだ機能を再確認しておきましょう。

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