Method updateArrow

source/MRViewer/MRDirectionWidget.cpp:57–63

}

void DirectionWidget::updateArrow( const Arrow& arrow )
{
    if ( !directionObj_ )
        return assert( false );

    directionObj_->setWorldXf( AffineXf3f( arrow.length * Matrix3f::rotation( Vector3f::plusZ(), arrow.dir ), arrow.base ) );
}

void DirectionWidget::updateLocalDirection( const Vector3f& dir )
{