3D-printing/OrcaSlicer
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Painting gizmos and sinking objects:

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1. Do not show what's below the bed when a gizmo is open
2. Triangulate the cut so people don't see inside
3. If regular clipping plane is used, the cuts are mutually clipped by one another
4. Painting itself ignores the hidden part of the object
This commit is contained in:
Lukas Matena 2021-08-07 08:12:32 +02:00
parent b174dacc85
commit 13604469fd
5 changed files with 152 additions and 17 deletions
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64
src/slic3r/GUI/Gizmos/GLGizmosCommon.cpp
View file

@ -150,6 +150,30 @@ void InstancesHider::on_update()
canvas->toggle_model_objects_visibility(false);
canvas->toggle_model_objects_visibility(true, mo, active_inst);
canvas->toggle_sla_auxiliaries_visibility(m_show_supports, mo, active_inst);
canvas->set_use_clipping_planes(true);
// Some objects may be sinking, do not show whatever is below the bed.
canvas->set_clipping_plane(0, ClippingPlane(Vec3d::UnitZ(), 0.));
canvas->set_clipping_plane(1, ClippingPlane(-Vec3d::UnitZ(), std::numeric_limits<double>::max()));
std::vector<const TriangleMesh*> meshes;
for (const ModelVolume* mv : mo->volumes)
meshes.push_back(&mv->mesh());
if (meshes != m_old_meshes) {
m_clippers.clear();
for (const TriangleMesh* mesh : meshes) {
m_clippers.emplace_back(new MeshClipper);
if (mo->get_instance_min_z(active_inst) < SINKING_Z_THRESHOLD)
m_clippers.back()->set_plane(ClippingPlane(-Vec3d::UnitZ(), 0.));
else {
m_clippers.back()->set_plane(ClippingPlane::ClipsNothing());
m_clippers.back()->set_limiting_plane(ClippingPlane::ClipsNothing());
}
m_clippers.back()->set_mesh(*mesh);
}
m_old_meshes = meshes;
}
}
else
canvas->toggle_model_objects_visibility(true);
@ -158,6 +182,9 @@ void InstancesHider::on_update()
void InstancesHider::on_release()
{
get_pool()->get_canvas()->toggle_model_objects_visibility(true);
get_pool()->get_canvas()->set_use_clipping_planes(false);
m_old_meshes.clear();
m_clippers.clear();
}
void InstancesHider::show_supports(bool show) {
@ -167,6 +194,38 @@ void InstancesHider::show_supports(bool show) {
}
}
void InstancesHider::render_cut() const
{
const SelectionInfo* sel_info = get_pool()->selection_info();
const ModelObject* mo = sel_info->model_object();
Geometry::Transformation inst_trafo = mo->instances[sel_info->get_active_instance()]->get_transformation();
size_t clipper_id = 0;
for (const ModelVolume* mv : mo->volumes) {
Geometry::Transformation vol_trafo = mv->get_transformation();
Geometry::Transformation trafo = inst_trafo * vol_trafo;
trafo.set_offset(trafo.get_offset() + Vec3d(0., 0., sel_info->get_sla_shift()));
auto& clipper = m_clippers[clipper_id];
clipper->set_transformation(trafo);
const ObjectClipper* obj_clipper = get_pool()->object_clipper();
if (obj_clipper->is_valid() && obj_clipper->get_clipping_plane()
&& obj_clipper->get_position() != 0.) {
ClippingPlane clp = *get_pool()->object_clipper()->get_clipping_plane();
clp.set_normal(-clp.get_normal());
clipper->set_limiting_plane(clp);
} else
clipper->set_limiting_plane(ClippingPlane::ClipsNothing());
glsafe(::glPushMatrix());
glsafe(::glColor3f(0.8f, 0.3f, 0.0f));
clipper->render_cut();
glsafe(::glPopMatrix());
++clipper_id;
}
}
void HollowedMesh::on_update()
@ -348,6 +407,7 @@ void ObjectClipper::render_cut() const
const SelectionInfo* sel_info = get_pool()->selection_info();
const ModelObject* mo = sel_info->model_object();
Geometry::Transformation inst_trafo = mo->instances[sel_info->get_active_instance()]->get_transformation();
const bool sinking = mo->bounding_box().min.z() < SINKING_Z_THRESHOLD;
size_t clipper_id = 0;
for (const ModelVolume* mv : mo->volumes) {
@ -358,7 +418,9 @@ void ObjectClipper::render_cut() const
auto& clipper = m_clippers[clipper_id];
clipper->set_plane(*m_clp);
clipper->set_transformation(trafo);
clipper->set_limiting_plane(sinking ?
ClippingPlane(Vec3d::UnitZ(), 0.)
: ClippingPlane::ClipsNothing());
glsafe(::glPushMatrix());
glsafe(::glColor3f(1.0f, 0.37f, 0.0f));
clipper->render_cut();