669 lines
28 KiB
C++
669 lines
28 KiB
C++
#include "CutUtils.hpp"
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#include "Geometry.hpp"
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#include "libslic3r.h"
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#include "Model.hpp"
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#include "TriangleMeshSlicer.hpp"
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#include "TriangleSelector.hpp"
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#include "ObjectID.hpp"
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#include <boost/log/trivial.hpp>
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namespace Slic3r {
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using namespace Geometry;
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static void apply_tolerance(ModelVolume *vol)
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{
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ModelVolume::CutInfo &cut_info = vol->cut_info;
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assert(cut_info.is_connector);
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if (!cut_info.is_processed) return;
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Vec3d sf = vol->get_scaling_factor();
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// make a "hole" wider
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sf[X] += double(cut_info.radius_tolerance);
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sf[Y] += double(cut_info.radius_tolerance);
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// make a "hole" dipper
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sf[Z] += double(cut_info.height_tolerance);
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vol->set_scaling_factor(sf);
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// correct offset in respect to the new depth
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Vec3d rot_norm = rotation_transform(vol->get_rotation()) * Vec3d::UnitZ();
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if (rot_norm.norm() != 0.0) rot_norm.normalize();
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double z_offset = 0.5 * static_cast<double>(cut_info.height_tolerance);
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if (cut_info.connector_type == CutConnectorType::Plug || cut_info.connector_type == CutConnectorType::Snap) z_offset -= 0.05; // add small Z offset to better preview
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vol->set_offset(vol->get_offset() + rot_norm * z_offset);
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}
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static void add_cut_volume(TriangleMesh & mesh,
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ModelObject * object,
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const ModelVolume *src_volume,
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const Transform3d &cut_matrix,
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const std::string &suffix = {},
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ModelVolumeType type = ModelVolumeType::MODEL_PART)
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{
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if (mesh.empty())
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return;
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mesh.transform(cut_matrix);
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ModelVolume *vol = object->add_volume(mesh);
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vol->set_type(type);
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vol->name = src_volume->name + suffix;
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// Don't copy the config's ID.
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vol->config.assign_config(src_volume->config);
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assert(vol->config.id().valid());
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assert(vol->config.id() != src_volume->config.id());
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vol->set_material(src_volume->material_id(), *src_volume->material());
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vol->cut_info = src_volume->cut_info;
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}
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static void process_volume_cut(ModelVolume * volume,
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const Transform3d & instance_matrix,
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const Transform3d & cut_matrix,
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ModelObjectCutAttributes attributes,
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TriangleMesh & upper_mesh,
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TriangleMesh & lower_mesh)
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{
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const auto volume_matrix = volume->get_matrix();
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const Transformation cut_transformation = Transformation(cut_matrix);
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const Transform3d invert_cut_matrix = cut_transformation.get_rotation_matrix().inverse() * translation_transform(-1 * cut_transformation.get_offset());
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// Transform the mesh by the combined transformation matrix.
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// Flip the triangles in case the composite transformation is left handed.
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TriangleMesh mesh(volume->mesh());
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mesh.transform(invert_cut_matrix * instance_matrix * volume_matrix, true);
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indexed_triangle_set upper_its, lower_its;
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cut_mesh(mesh.its, 0.0f, &upper_its, &lower_its);
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if (attributes.has(ModelObjectCutAttribute::KeepUpper))
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upper_mesh = TriangleMesh(upper_its);
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if (attributes.has(ModelObjectCutAttribute::KeepLower))
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lower_mesh = TriangleMesh(lower_its);
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}
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static void process_connector_cut(ModelVolume * volume,
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const Transform3d & instance_matrix,
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const Transform3d & cut_matrix,
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ModelObjectCutAttributes attributes,
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ModelObject * upper,
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ModelObject * lower,
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std::vector<ModelObject *> &dowels)
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{
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assert(volume->cut_info.is_connector);
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volume->cut_info.set_processed();
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const auto volume_matrix = volume->get_matrix();
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// ! Don't apply instance transformation for the conntectors.
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// This transformation is already there
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if (volume->cut_info.connector_type != CutConnectorType::Dowel) {
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if (attributes.has(ModelObjectCutAttribute::KeepUpper)) {
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ModelVolume *vol = nullptr;
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if (volume->cut_info.connector_type == CutConnectorType::Snap) {
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TriangleMesh mesh = TriangleMesh(its_make_cylinder(1.0, 1.0, PI / 180.));
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vol = upper->add_volume(std::move(mesh));
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vol->set_transformation(volume->get_transformation());
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vol->set_type(ModelVolumeType::NEGATIVE_VOLUME);
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vol->cut_info = volume->cut_info;
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vol->name = volume->name;
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} else
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vol = upper->add_volume(*volume);
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vol->set_transformation(volume_matrix);
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apply_tolerance(vol);
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}
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if (attributes.has(ModelObjectCutAttribute::KeepLower)) {
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ModelVolume *vol = lower->add_volume(*volume);
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vol->set_transformation(volume_matrix);
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// for lower part change type of connector from NEGATIVE_VOLUME to MODEL_PART if this connector is a plug
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vol->set_type(ModelVolumeType::MODEL_PART);
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}
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} else {
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if (attributes.has(ModelObjectCutAttribute::CreateDowels)) {
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ModelObject *dowel{nullptr};
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// Clone the object to duplicate instances, materials etc.
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volume->get_object()->clone_for_cut(&dowel);
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// add one more solid part same as connector if this connector is a dowel
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ModelVolume *vol = dowel->add_volume(*volume);
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vol->set_type(ModelVolumeType::MODEL_PART);
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// But discard rotation and Z-offset for this volume
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vol->set_rotation(Vec3d::Zero());
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vol->set_offset(Z, 0.0);
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dowels.push_back(dowel);
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}
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// Cut the dowel
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apply_tolerance(volume);
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// Perform cut
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TriangleMesh upper_mesh, lower_mesh;
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process_volume_cut(volume, Transform3d::Identity(), cut_matrix, attributes, upper_mesh, lower_mesh);
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// add small Z offset to better preview
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upper_mesh.translate((-0.05 * Vec3d::UnitZ()).cast<float>());
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lower_mesh.translate((0.05 * Vec3d::UnitZ()).cast<float>());
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// Add cut parts to the related objects
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add_cut_volume(upper_mesh, upper, volume, cut_matrix, "_A", volume->type());
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add_cut_volume(lower_mesh, lower, volume, cut_matrix, "_B", volume->type());
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}
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}
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static void process_modifier_cut(ModelVolume *volume, const Transform3d &instance_matrix, const Transform3d &inverse_cut_matrix, ModelObjectCutAttributes attributes, ModelObject *upper, ModelObject *lower)
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{
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const auto volume_matrix = instance_matrix * volume->get_matrix();
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// Modifiers are not cut, but we still need to add the instance transformation
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// to the modifier volume transformation to preserve their shape properly.
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volume->set_transformation(Transformation(volume_matrix));
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if (attributes.has(ModelObjectCutAttribute::CutToParts)) {
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upper->add_volume(*volume);
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return;
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}
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// Some logic for the negative volumes/connectors. Add only needed modifiers
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auto bb = volume->mesh().transformed_bounding_box(inverse_cut_matrix * volume_matrix);
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bool is_crossed_by_cut = bb.min[Z] <= 0 && bb.max[Z] >= 0;
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if (attributes.has(ModelObjectCutAttribute::KeepUpper) && (bb.min[Z] >= 0 || is_crossed_by_cut))
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upper->add_volume(*volume);
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if (attributes.has(ModelObjectCutAttribute::KeepLower) && (bb.max[Z] <= 0 || is_crossed_by_cut))
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lower->add_volume(*volume);
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}
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static void process_solid_part_cut(
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ModelVolume *volume, const Transform3d &instance_matrix, const Transform3d &cut_matrix, ModelObjectCutAttributes attributes, ModelObject *upper, ModelObject *lower)
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{
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// Perform cut
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TriangleMesh upper_mesh, lower_mesh;
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process_volume_cut(volume, instance_matrix, cut_matrix, attributes, upper_mesh, lower_mesh);
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// Add required cut parts to the objects
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if (attributes.has(ModelObjectCutAttribute::CutToParts)) {
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add_cut_volume(upper_mesh, upper, volume, cut_matrix, "_A");
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if (!lower_mesh.empty()) {
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add_cut_volume(lower_mesh, upper, volume, cut_matrix, "_B");
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upper->volumes.back()->cut_info.is_from_upper = false;
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}
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return;
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}
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if (attributes.has(ModelObjectCutAttribute::KeepUpper)) {
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add_cut_volume(upper_mesh, upper, volume, cut_matrix);
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}
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if (attributes.has(ModelObjectCutAttribute::KeepLower) && !lower_mesh.empty()) {
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add_cut_volume(lower_mesh, lower, volume, cut_matrix);
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}
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}
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static void reset_instance_transformation(ModelObject * object,
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size_t src_instance_idx,
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const Transform3d &cut_matrix = Transform3d::Identity(),
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bool place_on_cut = false,
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bool flip = false,
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bool is_set_offset = false,
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bool offset_pos_dir = true)
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{
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// Reset instance transformation except offset and Z-rotation
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for (size_t i = 0; i < object->instances.size(); ++i) {
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auto & obj_instance = object->instances[i];
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const double rot_z = obj_instance->get_rotation().z();
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Transformation inst_trafo = Transformation(obj_instance->get_transformation().get_matrix_no_scaling_factor());
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// add respect to mirroring
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if (obj_instance->is_left_handed())
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inst_trafo = inst_trafo * Transformation(scale_transform(Vec3d(-1, 1, 1)));
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obj_instance->set_transformation(inst_trafo);
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if (is_set_offset && object->volumes.size() > 0) {
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BoundingBoxf3 curBox;
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for (size_t i = 0; i < object->volumes.size(); i++) {
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curBox.merge(object->volumes[i]->mesh().bounding_box());
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}
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auto offset_x = curBox.size().x() * 0.7 * (offset_pos_dir ? 1 : -1);
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Vec3d displace(offset_x,0,0);
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displace = rotation_transform(obj_instance->get_rotation()) * displace;
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obj_instance->set_offset(obj_instance->get_offset() + displace);
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}
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Vec3d rotation = Vec3d::Zero();
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if (!flip && !place_on_cut) {
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if (i != src_instance_idx)
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rotation[Z] = rot_z;
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} else {
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Transform3d rotation_matrix = Transform3d::Identity();
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if (flip)
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rotation_matrix = rotation_transform(PI * Vec3d::UnitX());
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if (place_on_cut)
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rotation_matrix = rotation_matrix * Transformation(cut_matrix).get_rotation_matrix().inverse();
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if (i != src_instance_idx)
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rotation_matrix = rotation_transform(rot_z * Vec3d::UnitZ()) * rotation_matrix;
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rotation = Transformation(rotation_matrix).get_rotation();
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}
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obj_instance->set_rotation(rotation);
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}
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}
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Cut::Cut(const ModelObject * object,
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int instance,
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const Transform3d & cut_matrix,
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ModelObjectCutAttributes attributes /*= ModelObjectCutAttribute::KeepUpper | ModelObjectCutAttribute::KeepLower | ModelObjectCutAttribute::CutToParts*/)
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: m_instance(instance), m_cut_matrix(cut_matrix), m_attributes(attributes)
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{
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m_model = Model();
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if (object) m_model.add_object(*object);
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}
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void Cut::post_process(ModelObject *object, bool is_upper, ModelObjectPtrs &cut_object_ptrs, bool keep, bool place_on_cut, bool flip)
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{
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if (!object) return;
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if (keep && !object->volumes.empty()) {
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reset_instance_transformation(object, m_instance, m_cut_matrix, place_on_cut, flip,set_offset_for_two_part, is_upper);
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cut_object_ptrs.push_back(object);
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} else
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m_model.objects.push_back(object); // will be deleted in m_model.clear_objects();
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}
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void Cut::post_process(ModelObject *upper, ModelObject *lower, ModelObjectPtrs &cut_object_ptrs)
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{
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post_process(upper,true, cut_object_ptrs, m_attributes.has(ModelObjectCutAttribute::KeepUpper), m_attributes.has(ModelObjectCutAttribute::PlaceOnCutUpper),
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m_attributes.has(ModelObjectCutAttribute::FlipUpper));
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post_process(lower, false, cut_object_ptrs, m_attributes.has(ModelObjectCutAttribute::KeepLower), m_attributes.has(ModelObjectCutAttribute::PlaceOnCutLower),
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m_attributes.has(ModelObjectCutAttribute::PlaceOnCutLower) || m_attributes.has(ModelObjectCutAttribute::FlipLower));
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}
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void Cut::finalize(const ModelObjectPtrs &objects)
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{
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// clear model from temporarry objects
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m_model.clear_objects();
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// add to model result objects
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m_model.objects = objects;
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}
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const ModelObjectPtrs &Cut::perform_with_plane()
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{
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if (!m_attributes.has(ModelObjectCutAttribute::KeepUpper) && !m_attributes.has(ModelObjectCutAttribute::KeepLower)) {
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m_model.clear_objects();
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return m_model.objects;
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}
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ModelObject *mo = m_model.objects.front();
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BOOST_LOG_TRIVIAL(trace) << "ModelObject::cut - start";
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// Clone the object to duplicate instances, materials etc.
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ModelObject *upper{nullptr};
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if (m_attributes.has(ModelObjectCutAttribute::KeepUpper))
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mo->clone_for_cut(&upper);
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ModelObject *lower{nullptr};
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if (m_attributes.has(ModelObjectCutAttribute::KeepLower) && !m_attributes.has(ModelObjectCutAttribute::CutToParts))
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mo->clone_for_cut(&lower);
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if (upper && lower &&!m_attributes.has(ModelObjectCutAttribute::CutToParts)) {
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upper->name = upper->name + "_A";
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lower->name = lower->name + "_B";
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}
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std::vector<ModelObject *> dowels;
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// Because transformations are going to be applied to meshes directly,
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// we reset transformation of all instances and volumes,
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// except for translation and Z-rotation on instances, which are preserved
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// in the transformation matrix and not applied to the mesh transform.
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const auto instance_matrix = mo->instances[m_instance]->get_transformation().get_matrix_no_offset();
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const Transformation cut_transformation = Transformation(m_cut_matrix);
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const Transform3d inverse_cut_matrix = cut_transformation.get_rotation_matrix().inverse() * translation_transform(-1. * cut_transformation.get_offset());
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for (ModelVolume *volume : mo->volumes) {
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volume->reset_extra_facets();
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if (!volume->is_model_part()) {
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if (volume->cut_info.is_processed){
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process_modifier_cut(volume, instance_matrix, inverse_cut_matrix, m_attributes, upper, lower);
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}
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else{
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process_connector_cut(volume, instance_matrix, m_cut_matrix, m_attributes, upper, lower, dowels);
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}
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} else if (!volume->mesh().empty()) {
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process_solid_part_cut(volume, instance_matrix, m_cut_matrix, m_attributes, upper, lower);
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}
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}
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// Post-process cut parts
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if (m_attributes.has(ModelObjectCutAttribute::CutToParts) && upper->volumes.empty()) {
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m_model = Model();
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m_model.objects.push_back(upper);
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return m_model.objects;
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}
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ModelObjectPtrs cut_object_ptrs;
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if (m_attributes.has(ModelObjectCutAttribute::CutToParts) && !upper->volumes.empty()) {
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reset_instance_transformation(upper, m_instance, m_cut_matrix);
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cut_object_ptrs.push_back(upper);
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} else {
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// Delete all modifiers which are not intersecting with solid parts bounding box
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auto delete_extra_modifiers = [this](ModelObject *mo) {
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if (!mo) return;
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const BoundingBoxf3 obj_bb = mo->instance_bounding_box(m_instance);
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const Transform3d inst_matrix = mo->instances[m_instance]->get_transformation().get_matrix();
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for (int i = int(mo->volumes.size()) - 1; i >= 0; --i)
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if (const ModelVolume *vol = mo->volumes[i]; !vol->is_model_part() && !vol->is_cut_connector()) {
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auto bb = vol->mesh().transformed_bounding_box(inst_matrix * vol->get_matrix());
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if (!obj_bb.intersects(bb))
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mo->delete_volume(i);
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}
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};
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post_process(upper, lower, cut_object_ptrs);
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delete_extra_modifiers(upper);
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delete_extra_modifiers(lower);
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if (m_attributes.has(ModelObjectCutAttribute::CreateDowels) && !dowels.empty()) {
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for (auto dowel : dowels) {
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reset_instance_transformation(dowel, m_instance);
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dowel->name += "-Dowel-" + dowel->volumes[0]->name;
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cut_object_ptrs.push_back(dowel);
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}
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}
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}
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BOOST_LOG_TRIVIAL(trace) << "ModelObject::cut - end";
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finalize(cut_object_ptrs);
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return m_model.objects;
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}
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static void distribute_modifiers_from_object(ModelObject *from_obj, const int instance_idx, ModelObject *to_obj1, ModelObject *to_obj2)
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{
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auto obj1_bb = to_obj1 ? to_obj1->instance_bounding_box(instance_idx) : BoundingBoxf3();
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auto obj2_bb = to_obj2 ? to_obj2->instance_bounding_box(instance_idx) : BoundingBoxf3();
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const Transform3d inst_matrix = from_obj->instances[instance_idx]->get_transformation().get_matrix();
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for (ModelVolume *vol : from_obj->volumes)
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if (!vol->is_model_part()) {
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auto bb = vol->mesh().transformed_bounding_box(inst_matrix * vol->get_matrix());
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// Don't add modifiers which are not intersecting with solid parts
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if (obj1_bb.intersects(bb)) to_obj1->add_volume(*vol);
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if (obj2_bb.intersects(bb)) to_obj2->add_volume(*vol);
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}
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}
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static void merge_solid_parts_inside_object(ModelObjectPtrs &objects)
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{
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for (ModelObject *mo : objects) {
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TriangleMesh mesh;
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// Merge all SolidPart but not Connectors
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for (const ModelVolume *mv : mo->volumes) {
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if (mv->is_model_part() && !mv->is_cut_connector()) {
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TriangleMesh m = mv->mesh();
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m.transform(mv->get_matrix());
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mesh.merge(m);
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}
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}
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if (!mesh.empty()) {
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ModelVolume *new_volume = mo->add_volume(mesh);
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new_volume->name = mo->name;
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// Delete all merged SolidPart but not Connectors
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for (int i = int(mo->volumes.size()) - 2; i >= 0; --i) {
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const ModelVolume *mv = mo->volumes[i];
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if (mv->is_model_part() && !mv->is_cut_connector()) mo->delete_volume(i);
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}
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}
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}
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}
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const ModelObjectPtrs &Cut::perform_by_contour(std::vector<Part> parts, int dowels_count)
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{
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ModelObject *cut_mo = m_model.objects.front();
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// Clone the object to duplicate instances, materials etc.
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ModelObject *upper{nullptr};
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if (m_attributes.has(ModelObjectCutAttribute::KeepUpper))
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cut_mo->clone_for_cut(&upper);
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ModelObject *lower{nullptr};
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if (m_attributes.has(ModelObjectCutAttribute::KeepLower))
|
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cut_mo->clone_for_cut(&lower);
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|
||
if (upper && lower) {
|
||
upper->name = upper->name + "_A";
|
||
lower->name = lower->name + "_B";
|
||
}
|
||
|
||
const size_t cut_parts_cnt = parts.size();
|
||
bool has_modifiers = false;
|
||
|
||
// Distribute SolidParts to the Upper/Lower object
|
||
for (size_t id = 0; id < cut_parts_cnt; ++id) {
|
||
if (parts[id].is_modifier)
|
||
has_modifiers = true; // modifiers will be added later to the related parts
|
||
else if (ModelObject *obj = (parts[id].selected ? upper : lower))
|
||
obj->add_volume(*(cut_mo->volumes[id]));
|
||
}
|
||
|
||
if (has_modifiers) {
|
||
// Distribute Modifiers to the Upper/Lower object
|
||
distribute_modifiers_from_object(cut_mo, m_instance, upper, lower);
|
||
}
|
||
|
||
ModelObjectPtrs cut_object_ptrs;
|
||
|
||
ModelVolumePtrs &volumes = cut_mo->volumes;
|
||
if (volumes.size() == cut_parts_cnt) {
|
||
// Means that object is cut without connectors
|
||
|
||
// Just add Upper and Lower objects to cut_object_ptrs
|
||
post_process(upper, lower, cut_object_ptrs);
|
||
// Now merge all model parts together:
|
||
merge_solid_parts_inside_object(cut_object_ptrs);
|
||
|
||
finalize(cut_object_ptrs);
|
||
} else if (volumes.size() > cut_parts_cnt) {
|
||
// Means that object is cut with connectors
|
||
|
||
// All volumes are distributed to Upper / Lower object,
|
||
// So we don’t need them anymore
|
||
for (size_t id = 0; id < cut_parts_cnt; id++) delete *(volumes.begin() + id);
|
||
volumes.erase(volumes.begin(), volumes.begin() + cut_parts_cnt);
|
||
|
||
// Perform cut just to get connectors
|
||
Cut cut(cut_mo, m_instance, m_cut_matrix, m_attributes);
|
||
const ModelObjectPtrs &cut_connectors_obj = cut.perform_with_plane();
|
||
assert(dowels_count > 0 ? cut_connectors_obj.size() >= 3 : cut_connectors_obj.size() == 2);
|
||
|
||
// Connectors from upper object
|
||
for (const ModelVolume *volume : cut_connectors_obj[0]->volumes) upper->add_volume(*volume, volume->type());
|
||
|
||
// Connectors from lower object
|
||
for (const ModelVolume *volume : cut_connectors_obj[1]->volumes) lower->add_volume(*volume, volume->type());
|
||
|
||
// Add Upper and Lower objects to cut_object_ptrs
|
||
post_process(upper, lower, cut_object_ptrs);
|
||
|
||
// Now merge all model parts together:
|
||
merge_solid_parts_inside_object(cut_object_ptrs);
|
||
|
||
finalize(cut_object_ptrs);
|
||
// Add Dowel-connectors as separate objects to cut_object_ptrs
|
||
if (cut_connectors_obj.size() >= 3)
|
||
for (size_t id = 2; id < cut_connectors_obj.size(); id++)
|
||
m_model.add_object(*cut_connectors_obj[id]);
|
||
}
|
||
return m_model.objects;
|
||
}
|
||
|
||
const ModelObjectPtrs &Cut::perform_with_groove(const Groove &groove, const Transform3d &rotation_m, bool keep_as_parts /* = false*/)
|
||
{
|
||
ModelObject *cut_mo = m_model.objects.front();
|
||
|
||
// Clone the object to duplicate instances, materials etc.
|
||
ModelObject *upper{nullptr};
|
||
cut_mo->clone_for_cut(&upper);
|
||
ModelObject *lower{nullptr};
|
||
cut_mo->clone_for_cut(&lower);
|
||
|
||
if (upper && lower) {
|
||
upper->name = upper->name + "_A";
|
||
lower->name = lower->name + "_B";
|
||
}
|
||
const double groove_half_depth = 0.5 * double(groove.depth);
|
||
|
||
Model tmp_model_for_cut = Model();
|
||
|
||
Model tmp_model = Model();
|
||
tmp_model.add_object(*cut_mo);
|
||
ModelObject *tmp_object = tmp_model.objects.front();
|
||
|
||
auto add_volumes_from_cut = [](ModelObject *object, const ModelObjectCutAttribute attribute, const Model &tmp_model_for_cut) {
|
||
const auto &volumes = tmp_model_for_cut.objects.front()->volumes;
|
||
for (const ModelVolume *volume : volumes)
|
||
if (volume->is_model_part()) {
|
||
if ((attribute == ModelObjectCutAttribute::KeepUpper && volume->is_from_upper()) ||
|
||
(attribute != ModelObjectCutAttribute::KeepUpper && !volume->is_from_upper())) {
|
||
ModelVolume *new_vol = object->add_volume(*volume);
|
||
new_vol->reset_from_upper();
|
||
}
|
||
}
|
||
};
|
||
|
||
auto cut = [this, add_volumes_from_cut](ModelObject *object, const Transform3d &cut_matrix, const ModelObjectCutAttribute add_volumes_attribute, Model &tmp_model_for_cut) {
|
||
Cut cut(object, m_instance, cut_matrix);
|
||
|
||
tmp_model_for_cut = Model();
|
||
tmp_model_for_cut.add_object(*cut.perform_with_plane().front());
|
||
assert(!tmp_model_for_cut.objects.empty());
|
||
|
||
object->clear_volumes();
|
||
add_volumes_from_cut(object, add_volumes_attribute, tmp_model_for_cut);
|
||
reset_instance_transformation(object, m_instance);
|
||
};
|
||
|
||
// cut by upper plane
|
||
|
||
const Transform3d cut_matrix_upper = translation_transform(rotation_m * (groove_half_depth * Vec3d::UnitZ())) * m_cut_matrix;
|
||
{
|
||
cut(tmp_object, cut_matrix_upper, ModelObjectCutAttribute::KeepLower, tmp_model_for_cut);
|
||
add_volumes_from_cut(upper, ModelObjectCutAttribute::KeepUpper, tmp_model_for_cut);
|
||
}
|
||
|
||
// cut by lower plane
|
||
|
||
const Transform3d cut_matrix_lower = translation_transform(rotation_m * (-groove_half_depth * Vec3d::UnitZ())) * m_cut_matrix;
|
||
{
|
||
cut(tmp_object, cut_matrix_lower, ModelObjectCutAttribute::KeepUpper, tmp_model_for_cut);
|
||
add_volumes_from_cut(lower, ModelObjectCutAttribute::KeepLower, tmp_model_for_cut);
|
||
}
|
||
|
||
// cut middle part with 2 angles and add parts to related upper/lower objects
|
||
|
||
const double h_side_shift = 0.5 * double(groove.width + groove.depth / tan(groove.flaps_angle));
|
||
|
||
// cut by angle1 plane
|
||
{
|
||
const Transform3d cut_matrix_angle1 = translation_transform(rotation_m * (-h_side_shift * Vec3d::UnitX())) * m_cut_matrix *
|
||
rotation_transform(Vec3d(0, -groove.flaps_angle, -groove.angle));
|
||
|
||
cut(tmp_object, cut_matrix_angle1, ModelObjectCutAttribute::KeepLower, tmp_model_for_cut);
|
||
add_volumes_from_cut(lower, ModelObjectCutAttribute::KeepUpper, tmp_model_for_cut);
|
||
}
|
||
|
||
// cut by angle2 plane
|
||
{
|
||
const Transform3d cut_matrix_angle2 = translation_transform(rotation_m * (h_side_shift * Vec3d::UnitX())) * m_cut_matrix *
|
||
rotation_transform(Vec3d(0, groove.flaps_angle, groove.angle));
|
||
|
||
cut(tmp_object, cut_matrix_angle2, ModelObjectCutAttribute::KeepLower, tmp_model_for_cut);
|
||
add_volumes_from_cut(lower, ModelObjectCutAttribute::KeepUpper, tmp_model_for_cut);
|
||
}
|
||
|
||
// apply tolerance to the middle part
|
||
{
|
||
const double h_groove_shift_tolerance = groove_half_depth - (double) groove.depth_tolerance;
|
||
|
||
const Transform3d cut_matrix_lower_tolerance = translation_transform(rotation_m * (-h_groove_shift_tolerance * Vec3d::UnitZ())) * m_cut_matrix;
|
||
cut(tmp_object, cut_matrix_lower_tolerance, ModelObjectCutAttribute::KeepUpper, tmp_model_for_cut);
|
||
|
||
const double h_side_shift_tolerance = h_side_shift - 0.5 * double(groove.width_tolerance);
|
||
|
||
const Transform3d cut_matrix_angle1_tolerance = translation_transform(rotation_m * (-h_side_shift_tolerance * Vec3d::UnitX())) * m_cut_matrix *
|
||
rotation_transform(Vec3d(0, -groove.flaps_angle, -groove.angle));
|
||
cut(tmp_object, cut_matrix_angle1_tolerance, ModelObjectCutAttribute::KeepLower, tmp_model_for_cut);
|
||
|
||
const Transform3d cut_matrix_angle2_tolerance = translation_transform(rotation_m * (h_side_shift_tolerance * Vec3d::UnitX())) * m_cut_matrix *
|
||
rotation_transform(Vec3d(0, groove.flaps_angle, groove.angle));
|
||
cut(tmp_object, cut_matrix_angle2_tolerance, ModelObjectCutAttribute::KeepUpper, tmp_model_for_cut);
|
||
}
|
||
|
||
// this part can be added to the upper object now
|
||
add_volumes_from_cut(upper, ModelObjectCutAttribute::KeepLower, tmp_model_for_cut);
|
||
|
||
ModelObjectPtrs cut_object_ptrs;
|
||
|
||
if (keep_as_parts) {
|
||
// add volumes from lower object to the upper, but mark them as a lower
|
||
const auto &volumes = lower->volumes;
|
||
for (const ModelVolume *volume : volumes) {
|
||
ModelVolume *new_vol = upper->add_volume(*volume);
|
||
new_vol->cut_info.is_from_upper = false;
|
||
}
|
||
|
||
// add modifiers
|
||
for (const ModelVolume *volume : cut_mo->volumes)
|
||
if (!volume->is_model_part()) upper->add_volume(*volume);
|
||
|
||
cut_object_ptrs.push_back(upper);
|
||
|
||
// add lower object to the cut_object_ptrs just to correct delete it from the Model destructor and avoid memory leaks
|
||
cut_object_ptrs.push_back(lower);
|
||
} else {
|
||
// add modifiers if object has any
|
||
for (const ModelVolume *volume : cut_mo->volumes)
|
||
if (!volume->is_model_part()) {
|
||
distribute_modifiers_from_object(cut_mo, m_instance, upper, lower);
|
||
break;
|
||
}
|
||
|
||
assert(!upper->volumes.empty() && !lower->volumes.empty());
|
||
|
||
// Add Upper and Lower parts to cut_object_ptrs
|
||
|
||
post_process(upper, lower, cut_object_ptrs);
|
||
|
||
// Now merge all model parts together:
|
||
merge_solid_parts_inside_object(cut_object_ptrs);
|
||
}
|
||
|
||
finalize(cut_object_ptrs);
|
||
|
||
return m_model.objects;
|
||
}
|
||
|
||
} // namespace Slic3r
|
||
|