멋쟁이 사자처럼 부트캠프 유니티 게임 개발 4기 32일차 회고

🕹️ 실습 (2D 횡스크롤 스테이트머신)

벽 슬라이드, 벽 점프 구현

public class PlayerWallSlideState : PlayerState
{
    public PlayerWallSlideState(Player _player, PlayerStateMachine _stateMachine, string _animBoolName)
        : base(_player, _stateMachine, _animBoolName)
    {

    }

    public override void Enter()
    {
        base.Enter();
    }

    public override void Update()
    {
        base.Update();

        if (Input.GetKeyDown(KeyCode.Space))
        {
            stateMachine.ChangeState(player.wallJumpState);
            return; // 중요!
        }

        if (xInput != 0 && player.facingDir != xInput)
        {
            stateMachine.ChangeState(player.idleState);
        }

        if (yInput < 0) // 아래키 누르면 빨리 내려가게
        {
            player.SetVelocity(0, rb.linearVelocityY);
        }
        else
        {
            player.SetVelocity(0, rb.linearVelocityY * 0.7f);
        }

        if (player.IsGroundDetected())
        {
            stateMachine.ChangeState(player.idleState);
        }
    }

    public override void Exit()
    {
        base.Exit();
    }
}

public class PlayerWallJumpState : PlayerState
{
    public PlayerWallJumpState(Player _player, PlayerStateMachine _stateMachine, string _animBoolName) 
        : base(_player, _stateMachine, _animBoolName)
    {

    }

    public override void Enter()
    {
        base.Enter();

        stateTimer = 0.4f;
        player.SetVelocity(5 * -player.facingDir, player.jumpForce);
    }

    public override void Update()
    {
        base.Update();

        if (stateTimer < 0)
        {
            stateMachine.ChangeState(player.airState);
        }

        if (player.IsGroundDetected())
        {
            stateMachine.ChangeState(player.idleState);
        }
    }

    public override void Exit()
    {
        base.Exit();
    }
}

콤보 공격 구현

// Player.cs

[Header("Attack Detail")]
public Vector2[] attackMovement;

public class PlayerPrimaryAttackState : PlayerState
{
    private int comboCounter;
    private float lastTimeAttacked;
    private float comboWindow = 2;

    public PlayerPrimaryAttackState(Player _player, PlayerStateMachine _stateMachine, string _animBoolName)
        : base(_player, _stateMachine, _animBoolName)
    {

    }

    public override void Enter()
    {
        base.Enter();

        if (comboCounter > 2 || Time.time >= lastTimeAttacked + comboWindow)
        {
            comboCounter = 0;
        }
        player.anim.SetInteger("ComboCounter", comboCounter);
        //player.anim.speed = 2; // 공격 속도 올리기 가능

        float attackDir = xInput != 0 ? xInput : player.facingDir;
        player.SetVelocity(player.attackMovement[comboCounter].x * attackDir, player.attackMovement[comboCounter].y); // 공격마다 움직임 다르게 구현

        stateTimer = 0.1f;
    }

    public override void Update()
    {
        base.Update();

        if (stateTimer < 0)
        {
            player.SetZeroVelocity();
        }

        if (triggerCalled) // 애니메이션이 끝나기 전에 콤보 입력을 하지 않으면 idle로 돌아가게
        {
            stateMachine.ChangeState(player.idleState);
        }
    }

    public override void Exit()
    {
        base.Exit();

        player.StartCoroutine("BusyFor", 0.1f); // 공격 끝나고 0.1초동안은 키 움직임 안 받게

        comboCounter++;
        lastTimeAttacked = Time.time;
    }
}

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