for ( int i=0; i < 6; i++ )
    {
        f32 x_origin = m_vertices[i].x - m_size.x / 2;
        f32 y_origin = m_vertices[i].y - m_size.y / 2;

        f32 x = (m_vertices[i].x * std::cos(angle)) -  (m_vertices[i].y * std::sin(angle) );
        f32 y = (m_vertices[i].y * std::cos(angle)) +  (m_vertices[i].x * std::sin(angle) );

        m_vertices[i].x = x + x_origin;
        m_vertices[i].y = y + y_origin;
    }