コード例 #1
0
ファイル: Comb.cpp プロジェクト: RUOXIANS/CuraEngine
void Comb::Crossing::findCrossingInOrMid(const PartsView& partsView_inside, const Point close_to)
{
    if (dest_is_inside)
    { // in-case
        // find the point on the start inside-polygon closest to the endpoint, but also kind of close to the start point
        Point _dest_point(dest_point); // copy to local variable for lambda capture
        std::function<int(Point)> close_towards_start_penalty_function([_dest_point](Point candidate){ return vSize2((candidate - _dest_point) / 10); });
        dest_part = partsView_inside.assemblePart(dest_part_idx);
        Point result(close_to);
        int64_t max_dist2 = std::numeric_limits<int64_t>::max();
        ClosestPolygonPoint crossing_1_in_cp = PolygonUtils::ensureInsideOrOutside(dest_part, result, offset_dist_to_get_from_on_the_polygon_to_outside, max_dist2, close_towards_start_penalty_function);
        if (crossing_1_in_cp.point_idx != NO_INDEX)
        {
            dest_crossing_poly = crossing_1_in_cp.poly;
            in_or_mid = result;
        }
        else
        { // part is too small to be ensuring a point inside with the given distance
            in_or_mid = dest_point; // just use the startPoint or endPoint itself
        }
    }
    else
    {
        in_or_mid = dest_point; // mid-case
    }
};
コード例 #2
0
ファイル: Comb.cpp プロジェクト: Robo3D/CuraEngine
void Comb::Crossing::findCrossingInOrMid(const PartsView& partsView_inside, const Point close_to)
{
    if (dest_is_inside)
    { // in-case
        // find the point on the start inside-polygon closest to the endpoint, but also kind of close to the start point
        Point _dest_point(dest_point); // copy to local variable for lambda capture
        std::function<int(Point)> close_towards_start_penalty_function([_dest_point](Point candidate){ return vSize2((candidate - _dest_point) / 10); });
        dest_part = partsView_inside.assemblePart(dest_part_idx);

        ClosestPolygonPoint boundary_crossing_point;
        { // set [result] to a point on the destination part closest to close_to (but also a bit close to _dest_point)
            std::unordered_set<unsigned int> dest_part_poly_indices;
            for (unsigned int poly_idx : partsView_inside[dest_part_idx])
            {
                dest_part_poly_indices.emplace(poly_idx);
            }
            coord_t dist2_score = std::numeric_limits<coord_t>::max();
            std::function<bool (const PolygonsPointIndex&)> line_processor
                = [close_to, _dest_point, &boundary_crossing_point, &dist2_score, &dest_part_poly_indices](const PolygonsPointIndex& boundary_segment)
                {
                    if (dest_part_poly_indices.find(boundary_segment.poly_idx) == dest_part_poly_indices.end())
                    { // we're not looking at a polygon from the dest_part
                        return true; // a.k.a. continue;
                    }
                    Point closest_here = LinearAlg2D::getClosestOnLineSegment(close_to, boundary_segment.p(), boundary_segment.next().p());
                    coord_t dist2_score_here = vSize2(close_to - closest_here) + vSize2(_dest_point - closest_here) / 10;
                    if (dist2_score_here < dist2_score)
                    {
                        dist2_score = dist2_score_here;
                        boundary_crossing_point = ClosestPolygonPoint(closest_here, boundary_segment.point_idx, boundary_segment.getPolygon(), boundary_segment.poly_idx);
                    }
                    return true;
                };
            inside_loc_to_line->processLine(std::make_pair(dest_point, close_to), line_processor);
        }

        Point result(boundary_crossing_point.p()); // the inside point of the crossing
        if (!boundary_crossing_point.isValid())
        { // no point has been found in the sparse grid
            result = dest_point;
        }

        int64_t max_dist2 = std::numeric_limits<int64_t>::max();
        ClosestPolygonPoint crossing_1_in_cp = PolygonUtils::ensureInsideOrOutside(dest_part, result, boundary_crossing_point, offset_dist_to_get_from_on_the_polygon_to_outside, max_dist2, &boundary_inside, inside_loc_to_line, close_towards_start_penalty_function);
        if (crossing_1_in_cp.isValid())
        {
            dest_crossing_poly = crossing_1_in_cp.poly;
            in_or_mid = result;
        }
        else
        { // part is too small to be ensuring a point inside with the given distance
            in_or_mid = dest_point; // just use the startPoint or endPoint itself
        }
    }
    else
    {
        in_or_mid = dest_point; // mid-case
    }
};