멋쟁이 사자처럼 부트캠프 유니티 게임 개발 4기 36일차 회고

🕹️ 실습 (2D 횡스크롤 스테이트머신)

Skill

public class SkillManager : MonoBehaviour
{
    public static SkillManager Instance;
    public DashSkill dash { get; private set; }
    public CloneSkill clone { get; private set; }
    public SwordSkill sword { get; private set; }

    private void Awake()
    {
        if (Instance != null)
        {
            Destroy(Instance);
        }
        else
        {
            Instance = this;
        }
    }

    private void Start()
    {
        dash = GetComponent<DashSkill>();
        clone = GetComponent<CloneSkill>();
        sword = GetComponent<SwordSkill>();
    }
}

public class Skill : MonoBehaviour
{
    [SerializeField] protected float cooldown;
    protected float cooldownTimer;

    protected Player player;

    protected virtual void Start()
    {
        player = PlayerManager.Instance.player;
    }

    protected virtual void Update()
    {
        cooldownTimer -= Time.deltaTime;
    }

    public virtual bool CanUseSkill()
    {
        if (cooldownTimer < 0)
        {
            cooldownTimer = cooldown;
            return true;
        }
        else
        {
            Debug.Log("Skill is on cooldown");
            return false;
        }
    }

    public virtual void UseSkill()
    {

    }
}

SwordSkill - Sword 던지기

// SwordSkill.cs

[Header("Skill Info")]
[SerializeField] private GameObject swordPrefab;
[SerializeField] private Vector2 launchForce;
[SerializeField] private float swordGravity;

private Vector2 finalDir;

[Header("Aim Dots Info")]
[SerializeField] private int numberofDots;
[SerializeField] private float spaceBeetwenDots;
[SerializeField] private GameObject dotPrefab;
[SerializeField] private Transform dotsParent;

protected override void Update()
{
    if (Input.GetKeyUp(KeyCode.Mouse1)) // 마우스 오른쪽 버튼을 뗄 때
    {
        Vector2 aimDirection = AimDirection(); // 조준 방향 계산
        finalDir = new Vector2(aimDirection.normalized.x * launchForce.x, 
                             aimDirection.normalized.y * launchForce.y); // 최종 발사 방향 결정
    }

    if (Input.GetKey(KeyCode.Mouse1)) // 마우스 오른쪽 버튼 누르고 있는 동안
    {
        // 점 위치로 계적 보여줌
        for(int i=0; i<dots.Length; i++)
        {
            dots[i].transform.position = DotsPosition(i * spaceBeetwenDots);
        }
    }
}

public Vector2 AimDirection()
{
    Vector2 playerPosition = player.transform.position;
    Vector2 mousePosition = Camera.main.ScreenToWorldPoint(Input.mousePosition);
    Vector2 direction = mousePosition - playerPosition;

    return direction;
}

public void DotsActive(bool _isActive)
{
    for(int i=0; i<dots.Length; i++)
    {
        dots[i].SetActive(_isActive);
    }
}

private void GenerateDots()
{
    dots = new GameObject[numberofDots];
    for(int i=0; i<numberofDots; i++)
    {
        dots[i] = Instantiate(dotPrefab, player.transform.position, Quaternion.identity, dotsParent);
        dots[i].SetActive(false);
    }
}

private Vector2 DotsPosition(float t) // 포물선 방향으로 점을 그려줌
{
    Vector2 aimDirection = AimDirection();
    Vector2 position = (Vector2)player.transform.position 
        + new Vector2(aimDirection.normalized.x * launchForce.x, aimDirection.normalized.y * launchForce.y)
        * t + 0.5f * (Physics2D.gravity * swordGravity) * (t * t);

    return position;
}