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  1. using UnityEngine;
  2.  
  3. public class Enemy : MonoBehaviour
  4. {
  5.     [SerializeField] private float moveSpeed = 5f;
  6.     [SerializeField] private LayerMask platformLayerMask;
  7.  
  8.     private Collider2D currentCollider;
  9.     private Vector3 currentSize;
  10.  
  11.     private void Start()
  12.     {
  13.         currentCollider = GetComponent<BoxCollider2D>();
  14.         currentSize = currentCollider.bounds.size;
  15.     }
  16.  
  17.     private void Update()
  18.     {
  19.         Move();
  20.         IsMovingLeft();
  21.     }
  22.  
  23.     private void Move()
  24.     {
  25.         if (IsMovingLeft())
  26.         {
  27.             transform.Translate(Vector3.left * moveSpeed * Time.deltaTime);
  28.         }
  29.         else if (!IsMovingLeft())
  30.         {
  31.             transform.Translate(Vector3.right * moveSpeed * Time.deltaTime);
  32.         }
  33.     }
  34.  
  35.     private bool IsMovingLeft()
  36.     {
  37.         if (IsMovingLeft())
  38.         {
  39.             RaycastHit2D raycastHit2D = Physics2D.Raycast(transform.position, Vector2.left, currentSize.x / 2, platformLayerMask);
  40.  
  41.             if (raycastHit2D.collider != null)
  42.             {
  43.                 return false;
  44.             }
  45.  
  46.             return true;
  47.         }
  48.         else
  49.         {
  50.             RaycastHit2D raycastHit2D = Physics2D.Raycast(transform.position, Vector2.right, currentSize.x / 2, platformLayerMask);
  51.             if (raycastHit2D.collider != null)
  52.             {
  53.                 return true;
  54.             }
  55.             return false;
  56.         }
  57.     }
  58. }
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