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Timer: Don't change Math methods

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This commit is contained in:
Romain Vigier
2022-11-05 10:36:16 +01:00
parent d91a280b14
commit 504bf26bd8
1 changed files with 9 additions and 9 deletions
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src/modules/Timer.js
+9 -9
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@@ -319,8 +319,8 @@ var Timer = class extends GObject.Object {
debug.message('Updating sun times...');
Math.rad = degrees => degrees * Math.PI / 180;
Math.deg = radians => radians * 180 / Math.PI;
const rad = degrees => degrees * Math.PI / 180;
const deg = radians => radians * 180 / Math.PI;
// Calculations from https://www.esrl.noaa.gov/gmd/grad/solcalc/calcdetails.html
const dtNow = GLib.DateTime.new_now_local();
@@ -336,15 +336,15 @@ var Timer = class extends GObject.Object {
const geomMeanLongSun = (280.46646 + julianCentury * (36000.76983 + julianCentury * 0.0003032)) % 360;
const geomMeanAnomSun = 357.52911 + julianCentury * (35999.05029 - 0.0001537 * julianCentury);
const eccentEarthOrbit = 0.016708634 - julianCentury * (0.000042037 + 0.0000001267 * julianCentury);
const sunEqOfCtr = Math.sin(Math.rad(geomMeanAnomSun)) * (1.914602 - julianCentury * (0.004817 + 0.000014 * julianCentury)) + Math.sin(Math.rad(2 * geomMeanAnomSun)) * (0.019993 - 0.000101 * julianCentury) + Math.sin(Math.rad(3 * geomMeanAnomSun)) * 0.000289;
const sunEqOfCtr = Math.sin(rad(geomMeanAnomSun)) * (1.914602 - julianCentury * (0.004817 + 0.000014 * julianCentury)) + Math.sin(rad(2 * geomMeanAnomSun)) * (0.019993 - 0.000101 * julianCentury) + Math.sin(rad(3 * geomMeanAnomSun)) * 0.000289;
const sunTrueLong = geomMeanLongSun + sunEqOfCtr;
const sunAppLong = sunTrueLong - 0.00569 - 0.00478 * Math.sin(Math.rad(125.04 - 1934.136 * julianCentury));
const sunAppLong = sunTrueLong - 0.00569 - 0.00478 * Math.sin(rad(125.04 - 1934.136 * julianCentury));
const meanObliqEcliptic = 23 + (26 + ((21.448 - julianCentury * (46.815 + julianCentury * (0.00059 - julianCentury * 0.001813)))) / 60) / 60;
const obliqCorr = meanObliqEcliptic + 0.00256 * Math.cos(Math.rad(125.04 - 1934.136 * julianCentury));
const sunDeclin = Math.deg(Math.asin(Math.sin(Math.rad(obliqCorr)) * Math.sin(Math.rad(sunAppLong))));
const varY = Math.tan(Math.rad(obliqCorr / 2)) * Math.tan(Math.rad(obliqCorr / 2));
const eqOfTime = 4 * Math.deg(varY * Math.sin(2 * Math.rad(geomMeanLongSun)) - 2 * eccentEarthOrbit * Math.sin(Math.rad(geomMeanAnomSun)) + 4 * eccentEarthOrbit * varY * Math.sin(Math.rad(geomMeanAnomSun)) * Math.cos(2 * Math.rad(geomMeanLongSun)) - 0.5 * varY * varY * Math.sin(4 * Math.rad(geomMeanLongSun)) - 1.25 * eccentEarthOrbit * eccentEarthOrbit * Math.sin(2 * Math.rad(geomMeanAnomSun)));
const haSunrise = Math.deg(Math.acos(Math.cos(Math.rad(90.833)) / (Math.cos(Math.rad(latitude)) * Math.cos(Math.rad(sunDeclin))) - Math.tan(Math.rad(latitude)) * Math.tan(Math.rad(sunDeclin))));
const obliqCorr = meanObliqEcliptic + 0.00256 * Math.cos(rad(125.04 - 1934.136 * julianCentury));
const sunDeclin = deg(Math.asin(Math.sin(rad(obliqCorr)) * Math.sin(rad(sunAppLong))));
const varY = Math.tan(rad(obliqCorr / 2)) * Math.tan(rad(obliqCorr / 2));
const eqOfTime = 4 * deg(varY * Math.sin(2 * rad(geomMeanLongSun)) - 2 * eccentEarthOrbit * Math.sin(rad(geomMeanAnomSun)) + 4 * eccentEarthOrbit * varY * Math.sin(rad(geomMeanAnomSun)) * Math.cos(2 * rad(geomMeanLongSun)) - 0.5 * varY * varY * Math.sin(4 * rad(geomMeanLongSun)) - 1.25 * eccentEarthOrbit * eccentEarthOrbit * Math.sin(2 * rad(geomMeanAnomSun)));
const haSunrise = deg(Math.acos(Math.cos(rad(90.833)) / (Math.cos(rad(latitude)) * Math.cos(rad(sunDeclin))) - Math.tan(rad(latitude)) * Math.tan(rad(sunDeclin))));
const solarNoon = (720 - 4 * longitude - eqOfTime + tzOffset * 60) / 1440;
const timeSunrise = solarNoon - haSunrise * 4 / 1440;