3DPrinting/PrusaSlicer-NonPlainar
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Volumes always rotate as rigid bodies

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This commit is contained in:
enricoturri1966 2023-02-03 09:41:43 +01:00
parent c345f6a02a
commit e3cc3be9ab
1 changed files with 4 additions and 5 deletions
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9
src/slic3r/GUI/Selection.cpp
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@ -1074,12 +1074,11 @@ void Selection::rotate(const Vec3d& rotation, TransformationType transformation_
transform_volume_relative(v, volume_data, transformation_type, rotation_matrix, m_cache.dragging_center);
}
else {
if (transformation_type.local() && transformation_type.absolute()) {
if (transformation_type.instance()) {
// ensure that the volume rotates as a rigid body
const Geometry::Transformation& vol_trafo = volume_data.get_volume_transform();
Matrix3d vol_rotation, vol_scale;
vol_trafo.get_matrix().computeRotationScaling(&vol_rotation, &vol_scale);
const Transform3d trafo = vol_trafo.get_rotation_matrix() * rotation_matrix;
v.set_volume_transformation(vol_trafo.get_offset_matrix() * trafo * Transform3d(vol_scale));
const Transform3d cached_vol_rotation_matrix = vol_trafo.get_rotation_matrix();
v.set_volume_transformation(vol_trafo.get_matrix() * cached_vol_rotation_matrix.inverse() * rotation_matrix * cached_vol_rotation_matrix);
}
else
transform_volume_relative(v, volume_data, transformation_type, rotation_matrix, m_cache.dragging_center);