FSM 구현중... 실행하면 유니티가 종료됨

Assets/Scripts/Player/StateMachine.cs

@@ -2,16 +2,10 @@ using UnityEngine;
 
 public class StateMachine
 {
-    private Animator animator; 
-    private IState _state;
-    private PlayerMove _playerBase;
-    // private TextMeshProUGUI _textState;
+  private IState _state;
         
-    public StateMachine(IState state, PlayerMove playerMove)
+    public StateMachine(IState state)
     {
-        // 초기 상태 객체 생성
-        _playerBase = playerMove;;
-            
         _state = state;
         _state.Enter();
     }
@@ -19,9 +13,9 @@ public class StateMachine
     public void Update()
     {
         _state.Update();
-
         var newState = _state.CheckTransition();
 
+        // 상태가 변경되었는지 확인 (참조가 다르면)
         if (_state != newState)
         {
             _state.Exit();
@@ -29,6 +23,11 @@ public class StateMachine
         }
     }
 
+    public void FixedUpdate()
+    {
+        _state.FixedUpdate();
+    }
+
     public void SetTransition(IState state)
     {
         // 다음음 상태로 전환
@@ -43,8 +42,170 @@ public interface IState
         
     void Update();
 
+    void FixedUpdate(); // FixedUpdate 추가
+
     void Exit();
         
     // 트리거 조건일 경우 다음 상태로 전환
     IState CheckTransition();
 }
+
+public class IdleState : IState
+{
+    private PlayerMove _player; // PlayerMove 객체에 대한 참조
+    private MoveState _moveState;
+    private JumpState _jumpState;
+
+    public IdleState(PlayerMove player)
+    {
+        _player = player;
+        _moveState = new MoveState(_player);
+        _jumpState = new JumpState(_player);
+    }
+
+    public void Enter()
+    {
+        _player.Animator.SetBool(PlayerMove.IsMoving, false);
+    }
+
+    public void Update()
+    {
+        // 상태별 로직은 여기서는 필요 없음
+    }
+
+    public void FixedUpdate()
+    {
+        // 물리적인 로직이 없으므로 비워둠
+    }
+
+    public void Exit()
+    {
+        // Idle 상태에서 벗어날 때의 로직
+    }
+
+    public IState CheckTransition()
+    {
+        // 우선 순위: Jump -> Move
+        if (Input.GetButtonDown("Jump"))
+        {
+            return _jumpState;
+        }
+        if (Input.GetAxisRaw("Horizontal") != 0)
+        {
+            return _moveState;
+        }
+        return this;
+    }
+}
+
+public class MoveState : IState
+{
+    private PlayerMove _player;
+    private IdleState _idleState;
+    private JumpState _jumpState;
+
+    public MoveState(PlayerMove player)
+    {
+        _player = player;
+        _idleState = new IdleState(_player);
+        _jumpState = new JumpState(_player);
+    }
+
+    public void Enter()
+    {
+        _player.Animator.SetBool(PlayerMove.IsMoving, true);
+    }
+
+    public void Update()
+    {
+        // 상태별 로직
+        _player.SpriteRenderer.flipX = Input.GetAxisRaw("Horizontal") < 0;
+    }
+
+    public void FixedUpdate()
+    {
+        float h = Input.GetAxisRaw("Horizontal");
+        _player.RigidBody.AddForce(Vector2.right * h, ForceMode2D.Impulse);
+        
+        if (_player.RigidBody.linearVelocity.x > _player.maxSpeed)
+        {
+            _player.RigidBody.linearVelocity = new Vector2(_player.maxSpeed, _player.RigidBody.linearVelocity.y);
+        }
+        else if (_player.RigidBody.linearVelocity.x < -_player.maxSpeed)
+        {
+            _player.RigidBody.linearVelocity = new Vector2(-_player.maxSpeed, _player.RigidBody.linearVelocity.y);
+        }
+    }
+
+    public void Exit()
+    {
+        // 이동 상태에서 벗어날 때 필요한 로직
+        _player.Animator.SetBool(PlayerMove.IsMoving, false);
+    }
+
+    public IState CheckTransition()
+    {
+        if (Input.GetButtonDown("Jump"))
+        {
+            return _jumpState;
+        }
+        if (Mathf.Abs(Input.GetAxisRaw("Horizontal")) < 0.1f) // 키 입력이 없을 때
+        {
+            return _idleState;
+        }
+        return this;
+    }
+}
+
+public class JumpState : IState
+{
+    private PlayerMove _player;
+    private IdleState _idleState;
+    
+    public JumpState(PlayerMove player)
+    {
+        _player = player;
+        _idleState = new IdleState(_player);
+    }
+
+    public void Enter()
+    {
+        _player.RigidBody.AddForce(Vector2.up * _player.jumpPower, ForceMode2D.Impulse);
+        _player.Animator.SetBool(PlayerMove.IsJumping, true);
+    }
+
+    public void Update()
+    {
+        // 점프 중 스프라이트 방향 변경
+        if (Input.GetButton("Horizontal"))
+        {
+            _player.SpriteRenderer.flipX = Input.GetAxisRaw("Horizontal") < 0;
+        }
+    }
+
+    public void FixedUpdate()
+    {
+        // FixedUpdate에 물리 로직이 없으므로 비워둠
+    }
+
+    public void Exit()
+    {
+        _player.Animator.SetBool(PlayerMove.IsJumping, false);
+    }
+
+    public IState CheckTransition()
+    {
+        // 바닥에 닿았는지 확인 -> IdleState로 전환
+        if (_player.RigidBody.linearVelocity.y < 0)
+        {
+            Debug.DrawRay(_player.RigidBody.position, Vector3.down, Color.green);
+            RaycastHit2D rayHit = Physics2D.Raycast(_player.RigidBody.position, Vector3.down, 1, LayerMask.GetMask("Platform"));
+            
+            if (rayHit.collider != null && rayHit.distance < 0.7f)
+            {
+                return _idleState;
+            }
+        }
+        return this;
+    }
+}