File indexing completed on 2024-04-14 15:49:46
0001 // SPDX-License-Identifier: GPL-3.0-or-later 0002 /* 0003 Copyright 2021 Martin Koller, kollix@aon.at 0004 0005 This file is part of liquidshell. 0006 0007 liquidshell is free software: you can redistribute it and/or modify 0008 it under the terms of the GNU General Public License as published by 0009 the Free Software Foundation, either version 3 of the License, or 0010 (at your option) any later version. 0011 0012 liquidshell is distributed in the hope that it will be useful, 0013 but WITHOUT ANY WARRANTY; without even the implied warranty of 0014 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 0015 GNU General Public License for more details. 0016 0017 You should have received a copy of the GNU General Public License 0018 along with liquidshell. If not, see <http://www.gnu.org/licenses/>. 0019 */ 0020 0021 #include <QDate> 0022 0023 class Moon 0024 { 0025 public: 0026 // returns the frame to be used from the moon_56frames.png 0027 static int phase(const QDate &date); 0028 0029 private: 0030 static double sun_position(double j); 0031 static double moon_position(double j, double ls); 0032 };