(point[0] >= lineString[i][0] && point[0] <= lineString[i + 1][0] && lineString[i][0] <= lineString[i + 1][0]) ||
            (point[0] <= lineString[i][0] && point[0] >= lineString[i + 1][0] && lineString[i][0] >= lineString[i + 1][0])