void Boxes::setSize(unsigned int width, unsigned int height, unsigned int rows, unsigned int columns, unsigned int xsep, unsigned int ysep) {
    m_vertices.setPrimitiveType(sf::Lines);

    float w = (float)width / columns;
    float h = (float)height / rows;

    for(size_t i = 0; i < rows; i++) {
        for(size_t j = 0; j < columns; j++) {
            // Added counter clockwise
            Vector2f w(w * j + xsep, h * i + ysep);
            Vector2f x(w * j + xsep, h * (i + 1) - ysep);
            Vector2f y(w * (j + 1) - xsep, h * (i + 1) - ysep);
            Vector2f z(w * (j + 1) - xsep, h * i + ysep);

            m_vertices.append(w);
            m_vertices.append(x);

            m_vertices.append(x);
            m_vertices.append(y);

            m_vertices.append(y);
            m_vertices.append(z);

            m_vertices.append(z);
            m_vertices.append(w);
        }
    }
}