void OnDrawGizmos()
    {
        Vector3 origin = transform.position;
        Vector3 direction = transform.forward * range;

        if (Physics.Raycast(origin, direction, out hit, range))
        {
            Gizmos.color = Color.green;
            Gizmos.DrawLine(origin, hit.point);
            Gizmos.DrawSphere(hit.point + Vector3.up* 0.1f, 0.5f);
        }
        else
        {
            Gizmos.color = Color.red;
            Gizmos.DrawLine(origin, origin + direction);
            Gizmos.DrawSphere(origin + direction, 0.5f);
        }
    }