Function test_limit

tests/mesh/test-rasterize.cpp:173–217

}

void test_limit()
{
    auto grid = geode::RegularGrid3D::create();
    auto builder = geode::RegularGridBuilder3D::create( *grid );
    builder->initialize_grid(
        geode::Point3D{ { -1, -1, -1 } }, { 3, 3, 3 }, 1 );
    const geode::Point3D pt000{ { 0, 0, 0 } };
    const geode::Point3D pt001{ { 0, 0, 1 } };
    const geode::Point3D pt010{ { 0, 1, 0 } };
    const geode::Point3D pt011{ { 0, 1, 1 } };
    const geode::Point3D pt100{ { 1, 0, 0 } };
    const geode::Point3D pt101{ { 1, 0, 1 } };
    const geode::Point3D pt110{ { 1, 1, 0 } };
    const geode::Point3D pt111{ { 1, 1, 1 } };
    const geode::Triangle3D triangle1{ pt000, pt010, pt101 };
    const geode::Triangle3D triangle1b{ pt000, pt101, pt100 };
    const geode::Triangle3D triangle2{ pt010, pt011, pt111 };
    const geode::Triangle3D triangle2b{ pt010, pt111, pt101 };
    const geode::Triangle3D triangle3{ pt000, pt100, pt110 };
    const geode::Triangle3D triangle3b{ pt000, pt110, pt001 };
    const geode::Triangle3D triangle4{ pt001, pt110, pt111 };
    const geode::Triangle3D triangle4b{ pt001, pt111, pt011 };
    const geode::Triangle3D triangle5{ pt000, pt001, pt011 };
    const geode::Triangle3D triangle5b{ pt000, pt011, pt010 };
    const geode::Triangle3D triangle6{ pt100, pt101, pt111 };
    const geode::Triangle3D triangle6b{ pt100, pt111, pt110 };

    absl::flat_hash_set< geode::Grid3D::CellIndices > all_cells;
    add_cells( all_cells, *grid, triangle1 );
    add_cells( all_cells, *grid, triangle1b );
    add_cells( all_cells, *grid, triangle2 );
    add_cells( all_cells, *grid, triangle2b );
    add_cells( all_cells, *grid, triangle3 );
    add_cells( all_cells, *grid, triangle3b );
    add_cells( all_cells, *grid, triangle4 );
    add_cells( all_cells, *grid, triangle4b );
    add_cells( all_cells, *grid, triangle5 );
    add_cells( all_cells, *grid, triangle5b );
    add_cells( all_cells, *grid, triangle6 );
    add_cells( all_cells, *grid, triangle6b );

    geode::OpenGeodeMeshException::test( all_cells.size() == 27,
        "Wrong number of result cells (rasterize_cube): ", all_cells.size(),
        " instead of 27" );
}

void test()
{