void FffPolygonGenerator::processInsets(SliceMeshStorage& mesh, unsigned int layer_nr) { SliceLayer* layer = &mesh.layers[layer_nr]; if (mesh.getSettingAsSurfaceMode("magic_mesh_surface_mode") != ESurfaceMode::SURFACE) { int inset_count = mesh.getSettingAsCount("wall_line_count"); if (mesh.getSettingBoolean("magic_spiralize") && static_cast<int>(layer_nr) < mesh.getSettingAsCount("bottom_layers") && layer_nr % 2 == 1)//Add extra insets every 2 layers when spiralizing, this makes bottoms of cups watertight. inset_count += 5; int line_width_x = mesh.getSettingInMicrons("wall_line_width_x"); int line_width_0 = mesh.getSettingInMicrons("wall_line_width_0"); if (mesh.getSettingBoolean("alternate_extra_perimeter")) inset_count += layer_nr % 2; bool recompute_outline_based_on_outer_wall = mesh.getSettingBoolean("support_enable"); WallsComputation walls_computation(mesh.getSettingInMicrons("wall_0_inset"), line_width_0, line_width_x, inset_count, recompute_outline_based_on_outer_wall); walls_computation.generateInsets(layer); } if (mesh.getSettingAsSurfaceMode("magic_mesh_surface_mode") != ESurfaceMode::NORMAL) { for (PolygonRef polyline : layer->openPolyLines) { Polygons segments; for (unsigned int point_idx = 1; point_idx < polyline.size(); point_idx++) { PolygonRef segment = segments.newPoly(); segment.add(polyline[point_idx-1]); segment.add(polyline[point_idx]); } } } }
void FffPolygonGenerator::processFuzzyWalls(SliceMeshStorage& mesh) { if (mesh.getSettingAsCount("wall_line_count") == 0) { return; } int64_t fuzziness = mesh.getSettingInMicrons("magic_fuzzy_skin_thickness"); int64_t avg_dist_between_points = mesh.getSettingInMicrons("magic_fuzzy_skin_point_dist"); int64_t min_dist_between_points = avg_dist_between_points * 3 / 4; // hardcoded: the point distance may vary between 3/4 and 5/4 the supplied value int64_t range_random_point_dist = avg_dist_between_points / 2; for (unsigned int layer_nr = 0; layer_nr < mesh.layers.size(); layer_nr++) { SliceLayer& layer = mesh.layers[layer_nr]; for (SliceLayerPart& part : layer.parts) { Polygons results; Polygons& skin = (mesh.getSettingAsSurfaceMode("magic_mesh_surface_mode") == ESurfaceMode::SURFACE)? part.outline : part.insets[0]; for (PolygonRef poly : skin) { // generate points in between p0 and p1 PolygonRef result = results.newPoly(); int64_t dist_left_over = rand() % (min_dist_between_points / 2); // the distance to be traversed on the line before making the first new point Point* p0 = &poly.back(); for (Point& p1 : poly) { // 'a' is the (next) new point between p0 and p1 Point p0p1 = p1 - *p0; int64_t p0p1_size = vSize(p0p1); int64_t dist_last_point = dist_left_over + p0p1_size * 2; // so that p0p1_size - dist_last_point evaulates to dist_left_over - p0p1_size for (int64_t p0pa_dist = dist_left_over; p0pa_dist < p0p1_size; p0pa_dist += min_dist_between_points + rand() % range_random_point_dist) { int r = rand() % (fuzziness * 2) - fuzziness; Point perp_to_p0p1 = turn90CCW(p0p1); Point fuzz = normal(perp_to_p0p1, r); Point pa = *p0 + normal(p0p1, p0pa_dist) + fuzz; result.add(pa); dist_last_point = p0pa_dist; } dist_left_over = p0p1_size - dist_last_point; p0 = &p1; } while (result.size() < 3 ) { unsigned int point_idx = poly.size() - 2; result.add(poly[point_idx]); if (point_idx == 0) { break; } point_idx--; } if (result.size() < 3) { result.clear(); for (Point& p : poly) result.add(p); } } skin = results; } } }
void FffPolygonGenerator::processSkinsAndInfill(SliceMeshStorage& mesh, unsigned int layer_nr) { if (mesh.getSettingAsSurfaceMode("magic_mesh_surface_mode") == ESurfaceMode::SURFACE) { return; } int wall_line_count = mesh.getSettingAsCount("wall_line_count"); int skin_extrusion_width = mesh.getSettingInMicrons("skin_line_width"); int innermost_wall_extrusion_width = (wall_line_count == 1)? mesh.getSettingInMicrons("wall_line_width_0") : mesh.getSettingInMicrons("wall_line_width_x"); generateSkins(layer_nr, mesh, skin_extrusion_width, mesh.getSettingAsCount("bottom_layers"), mesh.getSettingAsCount("top_layers"), wall_line_count, innermost_wall_extrusion_width, mesh.getSettingAsCount("skin_outline_count"), mesh.getSettingBoolean("skin_no_small_gaps_heuristic")); if (mesh.getSettingInMicrons("infill_line_distance") > 0) { int infill_skin_overlap = 0; bool infill_is_dense = mesh.getSettingInMicrons("infill_line_distance") < mesh.getSettingInMicrons("infill_line_width") + 10; if (!infill_is_dense && mesh.getSettingAsFillMethod("infill_pattern") != EFillMethod::CONCENTRIC) { infill_skin_overlap = skin_extrusion_width / 2; } generateInfill(layer_nr, mesh, innermost_wall_extrusion_width, infill_skin_overlap, wall_line_count); } }