[Unity] 슈팅게임 개발

아군 비행기

using System;
using System.Collections;
using System.Collections.Generic;
using System.Threading;
using UnityEngine;
using UnityEngine.SceneManagement;

public class Friendly_ship : MonoBehaviour
{
    public float moveSpeed = 5.0f;
    public bool canShoot = true;
    public float shootDelay;
    public float shootTimer = 0.0f;
    public VariableJoystick joystick;
    private Camera _mainCam;
    public Entity _entity;
    

    // Start is called before the first frame update
    void Start()
    {
        _mainCam = Camera.main;  //유니티 생성시 만들어지는 기본 카메라
        _entity = GetComponent<Entity>();
        _entity.isPlayer = true;
    }

    // Update is called once per frame
    void Update()
    {
        //카메라 외부로 나갈 수 X
        Vector3 pos = _mainCam.WorldToViewportPoint(transform.position); //메인카메라를 뷰포트값으로 설정 (좌측하단 0,0 우측하단 1,1)
        if (pos.x < 0f) pos.x = 0f;
        if (pos.x > 1f) pos.x = 1f;
        if (pos.y < 0f) pos.y = 0f;
        if (pos.y > 1f) pos.y = 1f;
        transform.position = _mainCam.ViewportToWorldPoint(pos);
        
        //이동
        MoveControl();
        
    }

    private void MoveControl()
    {
        float xInput = Input.GetAxis("Horizontal") + joystick.Horizontal;
        float distanceX = xInput * Time.deltaTime * moveSpeed;
        this.gameObject.transform.Translate(distanceX, 0, 0);
        float yInput = Input.GetAxis("Vertical") + joystick.Vertical;
        float distanceY = yInput * Time.deltaTime * moveSpeed;
        this.gameObject.transform.Translate(0, distanceY, 0);
    }

    private void OnTriggerEnter2D(Collider2D other)
    {
        if (other.TryGetComponent(out enemy hit))
        {
            _entity.TakeDamage(1);
            hit.entity.TakeDamage(hit.entity.maxHealth);
        }
        if (other.TryGetComponent(out bullet hitf))
        {
            if (!hitf.isPlayer)
            {
                _entity.TakeDamage(1);
                Destroy(hitf.gameObject);
            }
        }
    }
    
}

총알

using UnityEngine;

public class bullet : MonoBehaviour
{
    public float moveSpeed = 10.0f;
    public bool  isPlayer;

    void Update()
    {
        transform.position += transform.right * (moveSpeed * Time.deltaTime);
        Destroy(gameObject, 8f);
    }

    
}

아군 총알 발사

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

public class Player_Fire : MonoBehaviour
{
    public bullet bulletFactory; //bullet 형식의 원본(?)
    public GameObject firePosition; //쏘는 위치 
    
    void Update()
    {
        if (Input.GetKeyDown(KeyCode.Space))
        {
            Fire();
        }
    }

    public void Fire()
    {
        bullet bulletInst = Instantiate(bulletFactory);
        bulletInst.transform.position = firePosition.transform.position; //총알의 초기위치
        bulletInst.isPlayer = true;
        Destroy(bulletInst, 8f); //8초 이후 삭제
    }
}

체력 - 아군, 적군, 보스 모두 사용할수 있도록 되어있다.

using System.Collections;
using System.Collections.Generic;
using TMPro;
using UnityEngine;
using UnityEngine.SceneManagement;
//using Debug = System.Diagnostics.Debug;

public class Entity : MonoBehaviour
{
    public int maxHealth = 2;
    public int _curHealth;
    public bool isEnemy;
    public bool isBoss;
    public bool isPlayer;
    public TextScore score;

    void Start()
    {
        _curHealth = maxHealth;
    }

    public void TakeDamage(int damage)
    {
        _curHealth -= damage;
        if (_curHealth <= 0)
        {
            Death();
        }

    }

    private void Death()
    {
        if(isPlayer)
        {
            SceneManager.LoadScene("Udie");
        }

        else if (isBoss)
        {
            SceneManager.LoadScene("Clear");
        }
        else
        {
            Destroy(gameObject);
            
        }
    }
}

플레이어 체력

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

public class Player_HP : MonoBehaviour
{
    public Slider hpBar;
    public Entity _player;
    
    void Update()
    {

        hpBar.value = (float)_player._curHealth / _player.maxHealth;
        
    }
}

적기

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

public class enemy : MonoBehaviour
{
    public Entity entity;
    public float moveSpeed = 1.5f;

    void Start()
    {
        entity = GetComponent<Entity>();
        entity.isEnemy = true;
    }

    // Update is called once per frame
    void Update()
    {
        transform.Translate(Vector3.right * (moveSpeed * Time.deltaTime));
        if(transform.position.x < -10)
            Destroy(gameObject);
    }

    private void OnTriggerEnter2D(Collider2D other)
    {
        if (other.TryGetComponent(out bullet hit))
        {
            if (hit.isPlayer)
            {
                entity.TakeDamage(1);
                Destroy(hit.gameObject);
            }
        }
    }
}

적기 총알 발사

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

public class Enemy_Fire : MonoBehaviour
{
    public bullet bulletPrefab;

    private Transform player;
    // Start is called before the first frame update
    void Start()
    {
        if (Random.Range(0f, 1f) < 0.95f)
        {
            player = FindObjectOfType<Friendly_ship>().transform;
            Invoke(nameof(Fire), Random.Range(3f, 5f));
        }
    }

    void Fire()
    {
        Vector2 dir = player.position - transform.position;
        bullet newBullet = Instantiate(bulletPrefab);
        newBullet.transform.position = transform.position;
        newBullet.transform.right = dir;
        if(Random.Range(0, 1) == 0)
        {
            newBullet.transform.rotation = transform.rotation;
        }
        newBullet.isPlayer = false;
        Destroy(newBullet.gameObject, 8f);
    }
}

적기 생성

using System;
using System.Collections;
using System.Collections.Generic;
using System.Threading;
using TMPro;
using UnityEngine;
using Random = UnityEngine.Random;

public class EnemyFacto : MonoBehaviour
{
    public  float randomX;
    public  float randomY;
    public bool enableSpawn = true;
    public enemy enemyFactory;
    public TextScore score;

    void SpawnEnemy()
    {
        randomX = Random.Range(10f, 15f);
        randomY = Random.Range(-5f, 5f);
        if (enableSpawn)
        {
            enemy enemyInst = Instantiate(enemyFactory);
            enemyInst.transform.position = new Vector3(randomX, randomY, 0.0f);
            enemyInst.moveSpeed = Random.Range(1f, 3f);
        }
    }

    private void Start()
    {
        InvokeRepeating("SpawnEnemy", 5, 1);
    }

    void Update()
    {
    }
}

보스

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

public class Boss : MonoBehaviour
{

    public bullet bulletPrefab;
    public bullet bigBulletPrefab;
    public enemy enemyPrefab;
    private Transform player;
    public Vector2 patternIntervalRange;
    private Entity _entity;
    IEnumerator Circle_Fire(int startAngle, float fireRate, int angleRate, float speed)
    {
        float fireAngle = startAngle;
        for (int i = 0; i < 360 / angleRate; i++)
        {
            bullet newBullet = Instantiate(bulletPrefab);
            newBullet.moveSpeed = speed;
            newBullet.transform.position = transform.position;
            Vector2 direction = new Vector2(Mathf.Cos(fireAngle * Mathf.Deg2Rad), Mathf.Sin(fireAngle * Mathf.Deg2Rad));
            newBullet.transform.right = direction;
            fireAngle += angleRate;
            if (fireAngle > 360) fireAngle -= 360; // 0~360
            newBullet.isPlayer = false;
            yield return new WaitForSeconds(fireRate);
        }
        
    }
    IEnumerator Circle_Enemy(int startAngle, float fireRate, int angleRate, float speed)
    {
        float enemyAngle = startAngle;
        for (int i = 0; i < 360 / angleRate; i++)
        {
            enemy newEnemy = Instantiate(enemyPrefab);
            newEnemy.moveSpeed = speed;
            newEnemy.transform.position = transform.position;
            Vector2 direction = new Vector2(Mathf.Cos(enemyAngle * Mathf.Deg2Rad), Mathf.Sin(enemyAngle * Mathf.Deg2Rad));
            enemyAngle += angleRate;
            enemyPrefab.transform.right = direction;
            if (enemyAngle > 360) enemyAngle -= 360; // 0~360
            yield return new WaitForSeconds(fireRate);
        }
        
    }
    // Start is called before the first frame update
    void Start()
    {
        player = FindObjectOfType<Friendly_ship>().transform;
        _entity = GetComponent<Entity>();
        _entity.isBoss = true;
        StartCoroutine(PatternManager());
    }

    IEnumerator Pattern1()
    {
        StartCoroutine(Circle_Fire(15, 0f, 30, 4f));
        yield return StartCoroutine(Circle_Fire(0, 0.1f, 30, 6f));
        for (int i = 0; i < 2; i++)
        {
            StartCoroutine(Circle_Fire(7, 0f, 15, 5f));
            yield return StartCoroutine(Circle_Fire(0, 0.05f, 15, 7f));
        }
    }

    IEnumerator Pattern2()
    {
        for (int i = 0; i < 20; i++)
        {
            Vector2 dir = player.position - transform.position;
            bigBulletPrefab = Instantiate(bigBulletPrefab);
            bigBulletPrefab.moveSpeed = 13f;
            bigBulletPrefab.transform.position = transform.position;
            bigBulletPrefab.transform.right = dir;

            yield return new WaitForSeconds(0.5f);
        }
    }

    IEnumerator Pattern3()
    {
        StartCoroutine(Circle_Enemy(15, 0f, 30, 4f));
        yield return StartCoroutine(Circle_Enemy(0, 0.1f, 30, 6f));
    }
    IEnumerator PatternManager()
    {
        while (true)
        {
            
            yield return new WaitForSeconds(Random.Range(patternIntervalRange.x, patternIntervalRange.y));
            yield return StartCoroutine(Pattern1());
            yield return new WaitForSeconds(Random.Range(patternIntervalRange.x, patternIntervalRange.y));
            yield return StartCoroutine(Pattern2()); 
            yield return new WaitForSeconds(Random.Range(patternIntervalRange.x, patternIntervalRange.y));
            yield return StartCoroutine(Pattern3());
        }
    }
    
    private void OnTriggerEnter2D(Collider2D other)
    {
        if (other.TryGetComponent(out bullet hit))
        {
            if (hit.isPlayer)
            {
                _entity.TakeDamage(1);
                Destroy(hit.gameObject);
            }
        }
        
    }
}

보스 스폰

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

public class BossSpawn : MonoBehaviour
{
    public EnemyFacto factory;
    public Boss bossPrefab;
    void Start()
    {
        Invoke(nameof(SpawnBoss), 50f);
    }

    void SpawnBoss()
    {
        factory.enableSpawn = false;
        Instantiate(bossPrefab, transform.position, transform.rotation);
    }
}

게임 시작 씬넘기기

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

public class StartGame : MonoBehaviour
{
    // Start is called before the first frame update
    void Start()
    {
        
    }

    // Update is called once per frame
    void Update()
    {
        if (Input.GetMouseButtonDown(0))
        {
            SceneManager.LoadScene("Game");
        }
    }
}

재시작

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

public class RestartGame : MonoBehaviour
{
    public void Update()
    {
        if (Input.GetMouseButtonDown(0))
        {
            SceneManager.LoadScene("MainScreen");
        }
    }
}