diff options
Diffstat (limited to 'xs/src/libslic3r/GCode.cpp')
| -rw-r--r-- | xs/src/libslic3r/GCode.cpp | 44 |
1 files changed, 21 insertions, 23 deletions
diff --git a/xs/src/libslic3r/GCode.cpp b/xs/src/libslic3r/GCode.cpp index ab9e10ec1..d3441a565 100644 --- a/xs/src/libslic3r/GCode.cpp +++ b/xs/src/libslic3r/GCode.cpp @@ -53,7 +53,7 @@ Polyline AvoidCrossingPerimeters::travel_to(const GCode &gcodegen, const Point & Polyline result = (use_external ? m_external_mp.get() : m_layer_mp.get())-> shortest_path(gcodegen.last_pos() + scaled_origin, point + scaled_origin); if (use_external) - result.translate(scaled_origin.negative()); + result.translate(- scaled_origin); return result; } @@ -681,7 +681,7 @@ void GCode::_do_export(Print &print, FILE *file, GCodePreviewData *preview_data) for (const ExPolygon &expoly : layer->slices.expolygons) for (const Point © : object->_shifted_copies) { islands.emplace_back(expoly.contour); - islands.back().translate(copy); + islands.back().translate(- copy); } //FIXME Mege the islands in parallel. m_avoid_crossing_perimeters.init_external_mp(union_ex(islands)); @@ -699,7 +699,7 @@ void GCode::_do_export(Print &print, FILE *file, GCodePreviewData *preview_data) for (unsigned int extruder_id : print.extruders()) { const Pointf &extruder_offset = print.config.extruder_offset.get_at(extruder_id); Polygon s(outer_skirt); - s.translate(-scale_(extruder_offset.x()), -scale_(extruder_offset.y())); + s.translate(Point::new_scale(- extruder_offset.x(), - extruder_offset.y())); skirts.emplace_back(std::move(s)); } m_ooze_prevention.enable = true; @@ -1547,7 +1547,7 @@ void GCode::set_origin(const Pointf &pointf) scale_(m_origin.x() - pointf.x()), scale_(m_origin.y() - pointf.y()) ); - m_last_pos.translate(translate); + m_last_pos += translate; m_wipe.path.translate(translate); m_origin = pointf; } @@ -1678,8 +1678,8 @@ static Points::iterator project_point_to_polygon_and_insert(Polygon &polygon, co j = 0; const Point &p1 = polygon.points[i]; const Point &p2 = polygon.points[j]; - const Slic3r::Point v_seg = p1.vector_to(p2); - const Slic3r::Point v_pt = p1.vector_to(pt); + const Slic3r::Point v_seg = p2 - p1; + const Slic3r::Point v_pt = pt - p1; const int64_t l2_seg = int64_t(v_seg.x()) * int64_t(v_seg.x()) + int64_t(v_seg.y()) * int64_t(v_seg.y()); int64_t t_pt = int64_t(v_seg.x()) * int64_t(v_pt.x()) + int64_t(v_seg.y()) * int64_t(v_pt.y()); if (t_pt < 0) { @@ -1714,7 +1714,7 @@ static Points::iterator project_point_to_polygon_and_insert(Polygon &polygon, co } assert(i_min != size_t(-1)); - if (pt_min.distance_to(polygon.points[i_min]) > eps) { + if ((pt_min - polygon.points[i_min]).cast<double>().norm() > eps) { // Insert a new point on the segment i_min, i_min+1. return polygon.points.insert(polygon.points.begin() + (i_min + 1), pt_min); } @@ -1726,8 +1726,8 @@ std::vector<float> polygon_parameter_by_length(const Polygon &polygon) // Parametrize the polygon by its length. std::vector<float> lengths(polygon.points.size()+1, 0.); for (size_t i = 1; i < polygon.points.size(); ++ i) - lengths[i] = lengths[i-1] + float(polygon.points[i].distance_to(polygon.points[i-1])); - lengths.back() = lengths[lengths.size()-2] + float(polygon.points.front().distance_to(polygon.points.back())); + lengths[i] = lengths[i-1] + (polygon.points[i] - polygon.points[i-1]).cast<float>().norm(); + lengths.back() = lengths[lengths.size()-2] + (polygon.points.front() - polygon.points.back()).cast<float>().norm(); return lengths; } @@ -1775,8 +1775,8 @@ std::vector<float> polygon_angles_at_vertices(const Polygon &polygon, const std: const Point &p0 = polygon.points[idx_prev]; const Point &p1 = polygon.points[idx_curr]; const Point &p2 = polygon.points[idx_next]; - const Point v1 = p0.vector_to(p1); - const Point v2 = p1.vector_to(p2); + const Point v1 = p1 - p0; + const Point v2 = p2 - p1; int64_t dot = int64_t(v1.x())*int64_t(v2.x()) + int64_t(v1.y())*int64_t(v2.y()); int64_t cross = int64_t(v1.x())*int64_t(v2.y()) - int64_t(v1.y())*int64_t(v2.x()); float angle = float(atan2(double(cross), double(dot))); @@ -2031,19 +2031,17 @@ std::string GCode::extrude_loop(ExtrusionLoop loop, std::string description, dou // create the destination point along the first segment and rotate it // we make sure we don't exceed the segment length because we don't know // the rotation of the second segment so we might cross the object boundary - Line first_segment( - paths.front().polyline.points[0], - paths.front().polyline.points[1] - ); - double distance = std::min<double>( - scale_(EXTRUDER_CONFIG(nozzle_diameter)), - first_segment.length() - ); - Point point = first_segment.point_at(distance); - point.rotate(angle, first_segment.a); - + Vec2d p1 = paths.front().polyline.points.front().cast<double>(); + Vec2d p2 = paths.front().polyline.points[1].cast<double>(); + Vec2d v = p2 - p1; + double nd = scale_(EXTRUDER_CONFIG(nozzle_diameter)); + double l2 = v.squaredNorm(); + // Shift by no more than a nozzle diameter. + //FIXME Hiding the seams will not work nicely for very densely discretized contours! + Point pt = ((nd * nd >= l2) ? p2 : (p1 + v * (nd / sqrt(l2)))).cast<coord_t>(); + pt.rotate(angle, paths.front().polyline.points.front()); // generate the travel move - gcode += m_writer.travel_to_xy(this->point_to_gcode(point), "move inwards before travel"); + gcode += m_writer.travel_to_xy(this->point_to_gcode(pt), "move inwards before travel"); } return gcode; |