RaycastHelper2D

using UnityEngine;
using UnityEngine.Events;

public class RaycastHelper2D : MonoBehaviour
{
    [SerializeField] private Vector2 raycastDirection;
    [SerializeField] private float raycastDistance;
    [SerializeField] private bool hitEvent = true;
    [SerializeField] private LayerMask hitLayerMask;

    [SerializeField] private UnityEvent OnRaycastEvent;

    // Update is called once per frame
    void Update()
    {
        var hit = IsRaycastHit(hitEvent);
        if (hit)
        {
            OnRaycastEvent?.Invoke();
        }
    }

    private void OnDrawGizmosSelected()
    {
        if (!enabled) return;

        var p = transform.position;

        Gizmos.color = IsRaycastHit(hitEvent) ? Color.red : Color.green;
        Gizmos.DrawLine(p, (p + (Vector3)raycastDirection * raycastDistance));
    }

    private bool IsRaycastHit(bool hit)
    {
        var p = transform.position;
        var raycastHit = Physics2D.Raycast(p, raycastDirection, raycastDistance, hitLayerMask.value);
        var result = hit ? raycastHit.collider != null : raycastHit.collider == null;
        return result;
    }
}