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Fixed flatten gizmo's flattening normal

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This commit is contained in:
Enrico Turri 2018-09-05 14:02:08 +02:00
parent 407aee9942
commit 011281068b
3 changed files with 5 additions and 8 deletions
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6
xs/src/slic3r/GUI/GLCanvas3D.cpp
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@ -2999,9 +2999,9 @@ void GLCanvas3D::on_mouse(wxMouseEvent& evt)
if (m_gizmos.get_current_type() == Gizmos::Flatten) {
// Rotate the object so the normal points downward:
Vec3d normal = m_gizmos.get_flattening_normal();
if (normal != Vec3d::Zero()) {
Vec3d axis = normal(2) > 0.999f ? Vec3d::UnitX() : normal.cross(-Vec3d::UnitZ());
float angle = acos(-normal(2));
if (normal(0) != 0.0 || normal(1) != 0.0 || normal(2) != 0.0) {
Vec3d axis = normal(2) > 0.999 ? Vec3d::UnitX() : normal.cross(-Vec3d::UnitZ()).normalized();
float angle = acos(clamp(-1.0, 1.0, -normal(2)));
m_on_gizmo_rotate_callback.call(angle, (float)axis(0), (float)axis(1), (float)axis(2));
}
}

2
xs/src/slic3r/GUI/GLGizmo.cpp
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@ -1282,7 +1282,7 @@ bool GLGizmoFlatten::is_plane_update_necessary() const
Vec3d GLGizmoFlatten::get_flattening_normal() const {
Vec3d normal = m_model_object->instances.front()->world_matrix().matrix().block(0, 0, 3, 3) * m_normal;
m_normal = Vec3d::Zero();
return normal;
return normal.normalized();
}
} // namespace GUI