| // SPDX-License-Identifier: LGPL-2.1-or-later | |
| /*************************************************************************** | |
| * Copyright (c) 2022 Matteo Grellier <matteogrellier@gmail.com> * | |
| * * | |
| * * | |
| * This file is part of the FreeCAD CAx development system. * | |
| * * | |
| * This library is free software; you can redistribute it and/or * | |
| * modify it under the terms of the GNU Library General Public * | |
| * License as published by the Free Software Foundation; either * | |
| * version 2 of the License, or (at your option) any later version. * | |
| * * | |
| * This library is distributed in the hope that it will be useful, * | |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of * | |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * | |
| * GNU Library General Public License for more details. * | |
| * * | |
| * You should have received a copy of the GNU Library General Public * | |
| * License along with this library; see the file COPYING.LIB. If not, * | |
| * write to the Free Software Foundation, Inc., 59 Temple Place, * | |
| * Suite 330, Boston, MA 02111-1307, USA * | |
| * * | |
| ***************************************************************************/ | |
| using namespace Surface; | |
| BlendPoint::BlendPoint(const std::vector<Base::Vector3d>& vectorList) | |
| : vectors {vectorList} | |
| {} | |
| BlendPoint::BlendPoint() | |
| { | |
| vectors.emplace_back(Base::Vector3d(0, 0, 0)); | |
| } | |
| void BlendPoint::multiply(double f) | |
| { | |
| for (int i = 0; i < nbVectors(); i++) { | |
| vectors[i] *= Pow(f, i); | |
| } | |
| } | |
| void BlendPoint::setSize(double f) | |
| { | |
| if (nbVectors() > 1) { | |
| double il = vectors[1].Length(); | |
| if (il > Precision::Confusion()) { | |
| multiply(f / il); | |
| } | |
| } | |
| } | |
| int BlendPoint::getContinuity() | |
| { | |
| return vectors.size() - 1; | |
| } | |
| int BlendPoint::nbVectors() | |
| { | |
| return vectors.size(); | |
| } | |