Function export_obj_data

libraries/lib-model-io/src/model-io.cpp:298–313

}

void export_obj_data(std::ofstream & file, runtime_mesh & mesh)
{
    file << "# vertices\n";
    for (auto & v : mesh.vertices) file << "v " << std::fixed << v.x << " " << std::fixed << v.y << " " << std::fixed << v.z << std::endl;

    float3 normalSum{ 0.f };
    float2 texcoordSum{ 0.f };
    for (auto v : mesh.normals) normalSum += v;
    for (auto v : mesh.texcoord0) texcoordSum += v;

    if (normalSum > float3(0.f)) for (auto & v : mesh.normals) file << "vn " << std::fixed << v.x << " " << std::fixed << v.y << " " << std::fixed << v.z << std::endl;
    if (texcoordSum > float2(0.f)) for (auto & v : mesh.texcoord0) file << "vt " << std::fixed << v.x << " " << std::fixed << v.y << std::endl;

    file << "# faces\n";
    for (auto & v : mesh.faces) file << "f " << v.x + 1 << " " << v.y + 1 << " " << v.z + 1 << std::endl;
}

bool polymer::export_obj_model(const std::string & name, const std::string & filename, runtime_mesh & mesh)
{