Katana_mirror/kde-workspace
1
0
Fork 0
mirror of https://bitbucket.org/smil3y/kde-workspace.git synced 2025-02-24 02:42:50 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions

plasma: different take on moon phase calculation in luna applet

Browse source 
Signed-off-by: Ivailo Monev <xakepa10@gmail.com>
This commit is contained in:
Ivailo Monev 2024-04-04 21:25:04 +03:00
parent 55b629d63c
commit 51cb069b3c
1 changed files with 9 additions and 6 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

15
plasma/applets/luna/luna.cpp
View file

@ -26,16 +26,19 @@
// for reference:
// https://en.wikipedia.org/wiki/Lunar_phase
// https://stardate.org/moon-phase-calculator
static const qreal s_moonmonth = 29.5;
// https://www.timeanddate.com/astronomy/moon/phases.html
static const qreal s_moonmonth = 29.53059;
static int kLunaPhase()
{
const QDateTime now = QDateTime::currentDateTimeUtc();
qreal moonphase = qreal(now.toTime_t());
while (moonphase > s_moonmonth) {
moonphase /= 29.5;
static const QDateTime firsnewmoon = QDateTime(QDate(1900, 1, 1), QTime(0, 0, 0), Qt::UTC);
const QDateTime now = QDateTime::currentDateTime();
const qreal gregoriandays = qreal(-now.daysTo(firsnewmoon.toLocalTime()));
qreal moonphase = 0;
while ((moonphase + s_moonmonth) < gregoriandays) {
moonphase += s_moonmonth;
}
const int roundmoonphase = qRound(s_moonmonth - moonphase);
const int roundmoonphase = qRound(gregoriandays - moonphase);
// qDebug() << Q_FUNC_INFO << now << roundmoonphase;
return roundmoonphase;
}