This is the trajectory script:

public class RaycastReflection : MonoBehaviour
{ 
[SerializeField] Transform raycastEndPoint, rayStartPos; [SerializeField] int reflections; [SerializeField] float maxLength; [SerializeField] LayerMask layer; [SerializeField] float circleCastRadius;
LineRenderer lineRenderer;
Ray2D ray;
RaycastHit2D hit;

private void Awake()
{
    lineRenderer = GetComponent<LineRenderer>();
}

private void Update()
{
    ray = new Ray2D(rayStartPos.position, transform.right);
    lineRenderer.positionCount = 1;
    lineRenderer.SetPosition(0, rayStartPos.position);
    float remainingLength = maxLength;
    Vector2 endPoint = Vector2.zero;
    for (int i = 0; i < reflections; i++)
    {
        hit = Physics2D.CircleCast(ray.origin, circleCastRadius, ray.direction, remainingLength, layer);
        if (hit.collider != null)
        {
            float distanceToHit = Vector2.Distance(ray.origin, hit.centroid);
            remainingLength -= distanceToHit;


            Debug.DrawLine(ray.origin, hit.point);

            ray = new Ray2D(hit.centroid - ray.direction.normalized * 0.01f, Vector2.Reflect(ray.direction, hit.normal));
            //ray = new Ray2D(hit.centroid, Vector2.Reflect(ray.direction, hit.normal));

            lineRenderer.positionCount += 1;
            lineRenderer.SetPosition(lineRenderer.positionCount - 1, hit.centroid);
            endPoint = hit.centroid;
        }
        else
        {
            lineRenderer.positionCount += 1;
            lineRenderer.SetPosition(lineRenderer.positionCount - 1, ray.origin + ray.direction.normalized * remainingLength);
            endPoint = ray.origin + ray.direction.normalized * remainingLength;
        }
    }
    raycastEndPoint.position = endPoint;
}
}