(point[1] >= lineString[i][1] && point[1] <= lineString[i + 1][1] && lineString[i][1] <= lineString[i + 1][1]) ||
            (point[1] <= lineString[i][1] && point[1] >= lineString[i + 1][1] && lineString[i][1] >= lineString[i + 1][1])