오버플로우로 유니티 먹통되는 코드 수정

Assets/Scripts/Player/PlayerMove.cs

@@ -32,6 +32,15 @@ public class PlayerMove : MonoBehaviour
         SpriteRenderer = GetComponent<SpriteRenderer>();
         Animator = GetComponent<Animator>();
 
+        // Null 체크 추가
+        if (RigidBody == null || SpriteRenderer == null || Animator == null)
+        {
+            Debug.LogError("PlayerMove script requires Rigidbody2D, SpriteRenderer, and Animator components on the same GameObject.");
+            // 게임 오브젝트 비활성화 또는 스크립트 비활성화
+            enabled = false;
+            return;
+        }
+        
         // 2. Animator가 초기화된 후에 해시 값 할당
         _isJumping = Animator.StringToHash("isJumping");
         _isMoving = Animator.StringToHash("isMoving");

Assets/Scripts/Player/StateMachine.cs

@@ -59,8 +59,6 @@ public class IdleState : IState
     public IdleState(PlayerMove player)
     {
         _player = player;
-        _moveState = new MoveState(_player);
-        _jumpState = new JumpState(_player);
     }
 
     public void Enter()
@@ -85,14 +83,13 @@ public class IdleState : IState
 
     public IState CheckTransition()
     {
-        // 우선 순위: Jump -> Move
         if (Input.GetButtonDown("Jump"))
         {
-            return _jumpState;
+            return new JumpState(_player); // Create new JumpState object
         }
-        if (Input.GetAxisRaw("Horizontal") != 0)
+        if (Mathf.Abs(Input.GetAxisRaw("Horizontal")) > 0)
         {
-            return _moveState;
+            return new MoveState(_player); // Create new MoveState object
         }
         return this;
     }
@@ -107,8 +104,6 @@ public class MoveState : IState
     public MoveState(PlayerMove player)
     {
         _player = player;
-        _idleState = new IdleState(_player);
-        _jumpState = new JumpState(_player);
     }
 
     public void Enter()
@@ -119,7 +114,7 @@ public class MoveState : IState
     public void Update()
     {
         // 상태별 로직
-        _player.SpriteRenderer.flipX = Input.GetAxisRaw("Horizontal") < 0;
+        _player.SpriteRenderer.flipX = Input.GetAxisRaw("Horizontal") > 0;
     }
 
     public void FixedUpdate()
@@ -147,11 +142,11 @@ public class MoveState : IState
     {
         if (Input.GetButtonDown("Jump"))
         {
-            return _jumpState;
+            return new JumpState(_player); // Create new JumpState object
         }
-        if (Mathf.Abs(Input.GetAxisRaw("Horizontal")) < 0.1f) // 키 입력이 없을 때
+        if (Mathf.Abs(Input.GetAxisRaw("Horizontal")) < 0.1f)
         {
-            return _idleState;
+            return new IdleState(_player); // Create new IdleState object
         }
         return this;
     }
@@ -165,7 +160,6 @@ public class JumpState : IState
     public JumpState(PlayerMove player)
     {
         _player = player;
-        _idleState = new IdleState(_player);
     }
 
     public void Enter()
@@ -179,7 +173,7 @@ public class JumpState : IState
         // 점프 중 스프라이트 방향 변경
         if (Input.GetButton("Horizontal"))
         {
-            _player.SpriteRenderer.flipX = Input.GetAxisRaw("Horizontal") < 0;
+            _player.SpriteRenderer.flipX = Input.GetAxisRaw("Horizontal") > 0;
         }
     }
 
@@ -195,15 +189,13 @@ public class JumpState : IState
 
     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 new IdleState(_player); // Create new IdleState object
             }
         }
         return this;