3DPrinting/PrusaSlicer-NonPlainar
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Fixed autolevel on bed with non uniform scaling

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This commit is contained in:
Enrico Turri 2018-10-31 16:13:07 +01:00
parent 5a4cef9ac1
commit afa907504f
1 changed files with 4 additions and 4 deletions
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8
src/libslic3r/Model.cpp
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@ -929,16 +929,16 @@ double ModelObject::get_instance_min_z(size_t instance_idx) const
double min_z = DBL_MAX;
ModelInstance* inst = instances[instance_idx];
Vec3d local_unit_z = (inst->world_matrix(true).inverse() * Vec3d::UnitZ()).normalized();
const Transform3d& m = inst->world_matrix(true);
for (ModelVolume *v : volumes)
{
for (uint32_t f = 0; f < v->mesh.stl.stats.number_of_facets; ++f)
{
const stl_facet* facet = v->mesh.stl.facet_start + f;
min_z = std::min(min_z, local_unit_z.dot(facet->vertex[0].cast<double>()));
min_z = std::min(min_z, local_unit_z.dot(facet->vertex[1].cast<double>()));
min_z = std::min(min_z, local_unit_z.dot(facet->vertex[2].cast<double>()));
min_z = std::min(min_z, Vec3d::UnitZ().dot(m * facet->vertex[0].cast<double>()));
min_z = std::min(min_z, Vec3d::UnitZ().dot(m * facet->vertex[1].cast<double>()));
min_z = std::min(min_z, Vec3d::UnitZ().dot(m * facet->vertex[2].cast<double>()));
}
}