Infratest/Assets/Code/Example/Platformer/Entity/Enemies/Boar.cs

using Code.Infrastructure.Configs;
using UnityEngine;

namespace Code.Example.Platformer.Entity.Enemies
{
    public class Boar : Entity
    {
        [SerializeField] private Vector2 groundLeft;
        [SerializeField] private Vector2 groundRight;
        private bool _directionRight;

        private float _acceleration = 3f;

        protected override void Move()
        {

            if (_target)
            {
                _directionRight = (transform.position - _target.position).magnitude < float.Epsilon;
                CheckupDirection();

                rigidbody2D.linearVelocityX = _directionRight ? 0.5f : -0.5f;
                rigidbody2D.linearVelocity *= _acceleration;
            }
            else
            {
                CheckupDirection();
                
                rigidbody2D.linearVelocityX = _directionRight ? 0.5f : -0.5f;
            }
        }

        protected override void HandleFlipX() => spriteRenderer.flipX = rigidbody2D.linearVelocity.x > -0.01f;

        private void CheckupDirection()
        {
            if (_directionRight)
            {
                if (!Physics2D.OverlapPoint((Vector2)transform.position + groundRight,
                        LayerMasks.Masks[LayerMaskType.PlatformerGround]))
                    _directionRight = false;
            }
            else if (!Physics2D.OverlapPoint((Vector2)transform.position + groundLeft,
                         LayerMasks.Masks[LayerMaskType.PlatformerGround]))
                _directionRight = true;
        }
        
        private Transform _target;
        
        public void GotTarget(Transform target)
        {
            _target = target;
        }
        public void LostTarget()
        {
            _target = null;
        }
    }
}