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Fixed rotation of mirrored parts in Part Coordinates

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This commit is contained in:
enricoturri1966 2023-02-28 13:00:08 +01:00
parent 7b08170077
commit c1348079ed
1 changed files with 8 additions and 1 deletions
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9
src/slic3r/GUI/Selection.cpp
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@ -1042,7 +1042,14 @@ void Selection::rotate(const Vec3d& rotation, TransformationType transformation_
const Geometry::Transformation& vol_trafo = volume_data.get_volume_transform(); const Geometry::Transformation& vol_trafo = volume_data.get_volume_transform();
const Transform3d vol_matrix_no_offset = vol_trafo.get_matrix_no_offset(); const Transform3d vol_matrix_no_offset = vol_trafo.get_matrix_no_offset();
const Transform3d inst_scale_matrix = inst_trafo.get_scaling_factor_matrix(); const Transform3d inst_scale_matrix = inst_trafo.get_scaling_factor_matrix();
const Transform3d vol_rotation_matrix = vol_trafo.get_rotation_matrix(); Transform3d vol_rotation_matrix = vol_trafo.get_rotation_matrix();
if (vol_trafo.is_left_handed()) {
Geometry::TransformationSVD vol_svd(vol_trafo);
vol_rotation_matrix = vol_svd.u * vol_svd.v.transpose();
// ensure the rotation has the proper direction
if (!rotation.normalized().cwiseAbs().isApprox(Vec3d::UnitX()))
rotation_matrix = rotation_matrix.inverse();
}
rotation_matrix = vol_matrix_no_offset.inverse() * inst_scale_matrix.inverse() * vol_rotation_matrix * rotation_matrix * rotation_matrix = vol_matrix_no_offset.inverse() * inst_scale_matrix.inverse() * vol_rotation_matrix * rotation_matrix *
vol_rotation_matrix.inverse() * inst_scale_matrix * vol_matrix_no_offset; vol_rotation_matrix.inverse() * inst_scale_matrix * vol_matrix_no_offset;
} }