3D-printing/OrcaSlicer
1
0
Fork 0
mirror of https://github.com/SoftFever/OrcaSlicer.git synced 2025-07-13 09:47:58 -06:00
Code Issues Projects Releases Packages Wiki Activity Actions 2

Little more refactoring.

Browse source
This commit is contained in:
Vojtech Bubnik 2020-11-20 11:56:40 +01:00
parent ee932e4364
commit 060f1d48c1
2 changed files with 14 additions and 11 deletions
Download patch file Download diff file Expand all files Collapse all files

17
src/libslic3r/GCode/AvoidCrossingPerimeters.cpp
View file

@ -297,7 +297,7 @@ static size_t avoid_perimeters_inner(const Polygons &boundaries,
// Append the first intersection into the path
size_t left_idx = intersection_first.line_idx;
size_t right_idx = (intersection_first.line_idx >= (boundaries[intersection_first.border_idx].points.size() - 1)) ? 0 : (intersection_first.line_idx + 1);
size_t right_idx = intersection_first.line_idx + 1 == boundaries[intersection_first.border_idx].points.size() ? 0 : intersection_first.line_idx + 1;
// Offset of the polygon's point using get_middle_point_offset is used to simplify the calculation of intersection between the
// boundary and the travel. The appended point is translated in the direction of inward normal. This translation ensures that the
// appended point will be inside the polygon and not on the polygon border.
@ -306,7 +306,7 @@ static size_t avoid_perimeters_inner(const Polygons &boundaries,
// Check if intersection line also exit the boundary polygon
if (it_second_r != it_last_item) {
// Transform reverse iterator to forward
auto it_second = (it_second_r.base() - 1);
auto it_second = it_second_r.base() - 1;
// The exit point from the boundary polygon
const Intersection &intersection_second = *it_second;
Lines border_lines = boundaries[intersection_first.border_idx].lines();
@ -315,12 +315,12 @@ static size_t avoid_perimeters_inner(const Polygons &boundaries,
// Append the path around the border into the path
if (shortest_direction == Direction::Forward)
for (int line_idx = int(intersection_first.line_idx); line_idx != int(intersection_second.line_idx);
line_idx = (((line_idx + 1) < int(border_lines.size())) ? (line_idx + 1) : 0))
line_idx = line_idx + 1 < int(border_lines.size()) ? line_idx + 1 : 0)
result.push_back({get_polygon_vertex_offset(boundaries[intersection_first.border_idx],
(line_idx + 1 == int(boundaries[intersection_first.border_idx].points.size())) ? 0 : (line_idx + 1), coord_t(SCALED_EPSILON)), int(intersection_first.border_idx)});
else
for (int line_idx = int(intersection_first.line_idx); line_idx != int(intersection_second.line_idx);
line_idx = (((line_idx - 1) >= 0) ? (line_idx - 1) : (int(border_lines.size()) - 1)))
line_idx = line_idx - 1 >= 0 ? line_idx - 1 : int(border_lines.size()) - 1)
result.push_back({get_polygon_vertex_offset(boundaries[intersection_second.border_idx], line_idx + 0, coord_t(SCALED_EPSILON)), int(intersection_first.border_idx)});
// Append the farthest intersection into the path
@ -523,6 +523,7 @@ Polyline AvoidCrossingPerimeters::travel_to(const GCode &gcodegen, const Point &
// Trim the travel line by the bounding box.
if (Geometry::liang_barsky_line_clipping(startf, endf, use_external ? m_bbox_external : m_bbox)) {
// Travel line is completely or partially inside the bounding box.
//FIXME initialize m_boundaries / m_boundaries_external on demand?
travel_intersection_count = use_external ?
avoid_perimeters(m_boundaries_external, m_grid_external, startf.cast<coord_t>(), endf.cast<coord_t>(), result_pl) :
avoid_perimeters(m_boundaries, m_grid, startf.cast<coord_t>(), endf.cast<coord_t>(), result_pl);
@ -705,12 +706,12 @@ static ExPolygons get_boundary_external(const Layer &layer)
auto [contours, holes] = split_expolygon(boundary);
// Polygons in which is possible traveling without crossing perimeters of another object.
// A convex hull allows removing unnecessary detour caused by following the boundary of the object.
ExPolygons result_boundary = union_ex(
ExPolygons result_boundary =
//FIXME flip order of offset and convex_hull
diff(static_cast<Polygons>(Geometry::convex_hull(offset(contours, 2.f * perimeter_spacing))),
offset(contours, perimeter_spacing + perimeter_offset)));
diff_ex(static_cast<Polygons>(Geometry::convex_hull(offset(contours, 2.f * perimeter_spacing))),
offset(contours, perimeter_spacing + perimeter_offset));
// All holes are extended for forcing travel around the outer perimeter of a hole when a hole is crossed.
append(result_boundary, union_ex(diff(offset(holes, perimeter_spacing), offset(holes, perimeter_offset))));
append(result_boundary, diff_ex(offset(holes, perimeter_spacing), offset(holes, perimeter_offset)));
return union_ex(result_boundary);
}