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Slice only objects contained into the print volume

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This commit is contained in:
Enrico Turri 2018-07-18 09:37:25 +02:00
parent eb95e29be6
commit d672a69554
8 changed files with 105 additions and 16 deletions
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48
xs/src/libslic3r/Model.cpp
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@ -1235,6 +1235,54 @@ void ModelObject::split(ModelObjectPtrs* new_objects)
return;
}
void ModelObject::check_instances_printability(const BoundingBoxf3& print_volume)
{
for (ModelVolume* vol : this->volumes)
{
if (!vol->modifier)
{
for (ModelInstance* inst : this->instances)
{
BoundingBoxf3 bb;
double c = cos(inst->rotation);
double s = sin(inst->rotation);
for (int f = 0; f < vol->mesh.stl.stats.number_of_facets; ++f)
{
const stl_facet& facet = vol->mesh.stl.facet_start[f];
for (int i = 0; i < 3; ++i)
{
// original point
const stl_vertex& v = facet.vertex[i];
Pointf3 p((double)v.x, (double)v.y, (double)v.z);
// scale
p.x *= inst->scaling_factor;
p.y *= inst->scaling_factor;
p.z *= inst->scaling_factor;
// rotate Z
double x = p.x;
double y = p.y;
p.x = c * x - s * y;
p.y = s * x + c * y;
// translate
p.x += inst->offset.x;
p.y += inst->offset.y;
bb.merge(p);
inst->is_printable = print_volume.contains(bb);
}
}
}
}
}
}
void ModelObject::print_info() const
{
using namespace std;