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Change local Bounding box position and size to respect local zero inside gizmos (for scale, move and rotate)

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Filip Sykala - NTB T15p 2023-05-24 10:17:57 +02:00
parent f146cd0224
commit 496cc54bd7
1 changed files with 23 additions and 3 deletions
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26
src/slic3r/GUI/Selection.cpp
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@ -849,11 +849,31 @@ std::pair<BoundingBoxf3, Transform3d> Selection::get_bounding_box_in_reference_s
} }
} }
} }
const Vec3d box_size = max - min; const Vec3d box_size = max - min;
const Vec3d half_box_size = 0.5 * box_size; Vec3d half_box_size = 0.5 * box_size;
BoundingBoxf3 out_box(-half_box_size, half_box_size);
Geometry::Transformation out_trafo(trafo); Geometry::Transformation out_trafo(trafo);
const Vec3d center = 0.5 * (min + max); Vec3d center = 0.5 * (min + max);
// Fix for non centered volume
// by move with calculated center(to volume center) and extend half box size
// e.g. for right aligned embossed text
if (m_list.size() == 1 &&
type == ECoordinatesType::Local) {
const GLVolume& vol = *get_volume(*m_list.begin());
const Transform3d vol_world_trafo = vol.world_matrix();
Vec3d world_zero = vol_world_trafo * Vec3d::Zero();
for (size_t i = 0; i < 3; i++){
// move center to local volume zero
center[i] = world_zero.dot(axes[i]);
// extend half size to bigger distance from center
half_box_size[i] = std::max(
abs(center[i] - min[i]),
abs(center[i] - max[i]));
}
}
const BoundingBoxf3 out_box(-half_box_size, half_box_size);
out_trafo.set_offset(basis_trafo * center); out_trafo.set_offset(basis_trafo * center);
return { out_box, out_trafo.get_matrix_no_scaling_factor() }; return { out_box, out_trafo.get_matrix_no_scaling_factor() };
} }