Function write_vertices

src/IO/OBJWriter.cpp:15–30

namespace OBJWriterHelper {
    void write_vertices(std::ofstream& fout,
            const VectorF& vertices, const size_t dim) {
        if (dim != 2 && dim != 3) {
            throw IOError("Unsupported mesh dimension: " + std::to_string(dim));
        }
        fout.precision(16);
        size_t num_vertices = vertices.size() / dim;
        for (size_t i=0; i<num_vertices; i++) {
            const auto& v = vertices.segment(i*dim, dim);
            fout << "v";
            for (size_t j=0; j<dim; j++) {
                fout << " " << v[j];
            }
            fout << std::endl;
        }
    }

    void write_texture(std::ofstream& fout, const VectorF& uv) {
        assert(uv.size() % 2 == 0);