using UnityEngine;
using UnityEngine.InputSystem;

namespace Class03
{
    // 키보드를 읽어 이동 방향만 전달합니다.
    public sealed class KeyboardMoveInput : MonoBehaviour
    {
        public Vector2 Direction { get; private set; }

        private void Update()
        {
            Keyboard keyboard = Keyboard.current;
            if (keyboard == null || !Application.isFocused)
            {
                Direction = Vector2.zero;
                return;
            }

            float x = (keyboard.dKey.isPressed || keyboard.rightArrowKey.isPressed ? 1 : 0)
                    - (keyboard.aKey.isPressed || keyboard.leftArrowKey.isPressed ? 1 : 0);
            float y = (keyboard.wKey.isPressed || keyboard.upArrowKey.isPressed ? 1 : 0)
                    - (keyboard.sKey.isPressed || keyboard.downArrowKey.isPressed ? 1 : 0);
            Direction = Vector2.ClampMagnitude(new Vector2(x, y), 1f);
        }

        private void OnDisable() => Direction = Vector2.zero;
    }
}