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script.js
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import PrayTimes from "./prayTimes.js"
const UI = {
second: document.querySelector('.hand--second'),
minute: document.querySelector('.hand--minute'),
hour: document.querySelector('.hand--hour'),
dhuhr_arc: document.querySelector('.dhuhr-arc'),
asr_arc: document.querySelector('.asr-arc'),
maghrib_arc: document.querySelector('.maghrib-arc'),
isha_arc: document.querySelector('.isha-arc'),
fajr_arc: document.querySelector('.fajr-arc'),
dhuhr_txt: document.querySelector("#dhuhr"),
asr_txt: document.querySelector("#asr"),
maghrib_txt: document.querySelector("#maghrib"),
isha_txt: document.querySelector("#isha"),
fajr_txt: document.querySelector("#fajr"),
prayer_tracker: document.querySelector("#prayer-tracker")
}
function timeToDegrees(time) {
// Destructure hours and minutes from the time string
const [hours, minutes] = time.split(':').map(Number);
// Calculate degrees for hour hand
const hourDegrees = hours * 30 + (minutes / 2);
return hourDegrees;
};
function polarToCartesian(centerX, centerY, radius, angleInDegrees) {
var angleInRadians = (angleInDegrees - 90) * Math.PI / 180.0;
return {
x: centerX + (radius * Math.cos(angleInRadians)),
y: centerY + (radius * Math.sin(angleInRadians))
};
}
function describeArc(x, y, radius, startAngle, endAngle) {
var start = polarToCartesian(x, y, radius, startAngle);
var end = polarToCartesian(x, y, radius, endAngle);
var angleDiff = endAngle - startAngle
if (angleDiff < 0) angleDiff = 360 + angleDiff % 360
var largeArcFlag = angleDiff > 180 ? 1 : 0;
var d = [
"M", start.x, start.y,
"A", radius, radius, 0, largeArcFlag, 1, end.x, end.y
].join(" ");
return d;
}
function transformText(x, y, radius, startAngle, endAngle) {
var centerAngle = (startAngle + endAngle) / 2;
var rotationAngle = centerAngle;
var padding = 5;
if ( 4*30 < centerAngle%360 && centerAngle%360 < 8*30) {
rotationAngle += 180;
padding = 25
}
var translationPoint = polarToCartesian(x, y, radius + padding, centerAngle);
return `translate(${translationPoint.x}, ${translationPoint.y}) rotate(${rotationAngle})`;
}
const updateClock = () => {
// GETTING TIME
const now = new Date();
const seconds = (now.getSeconds() + now.getMilliseconds() / 1000) / 60 * 360;
const minutes = (now.getMinutes() + now.getSeconds() / 60) / 60 * 360;
const hours = (now.getHours() + now.getMinutes() / 60) / 12 * 360;
// URL parameters
let params = new URLSearchParams(document.location.search);
let lat = params.has('lat') ? params.get('lat') : 37.8;
let long = params.has('long') ? params.get('long') : -122;
let method = params.has('method') ? params.get('method') : 'ISNA';
const prayTimes = new PrayTimes(method);
if (params.get('asr') === "Hanafi") {
prayTimes.adjust({asr:"Hanafi"});
}
const currentPrayerTimes = prayTimes.getTimes(new Date(), [lat, long]);
const fajr = timeToDegrees(currentPrayerTimes['fajr'])
const sunrise = timeToDegrees(currentPrayerTimes['sunrise'])
const dhuhr = timeToDegrees(currentPrayerTimes['dhuhr'])
const asr = timeToDegrees(currentPrayerTimes['asr'])
const maghrib = timeToDegrees(currentPrayerTimes['maghrib'])
const isha = timeToDegrees(currentPrayerTimes['isha'])
// UI Update
UI.second.style.transform = `rotate(${seconds}deg)`;
UI.minute.style.transform = `rotate(${minutes}deg)`;
UI.hour.style.transform = `rotate(${hours}deg)`;
const biggerRadius = 185;
const smallerRadius = 145;
const opacityAlpha = 0.2;
const prayerTrackerCoordinates = (isha < hours || hours < sunrise) ? polarToCartesian(0, 0, biggerRadius, hours) : polarToCartesian(0, 0, smallerRadius, hours);
// garbage code pleaaaase get rid of this 🙏
UI.dhuhr_arc.setAttribute("d", describeArc(0, 0, smallerRadius, dhuhr, asr));
UI.asr_arc.setAttribute("d", describeArc(0, 0, smallerRadius, asr, maghrib));
UI.maghrib_arc.setAttribute("d", describeArc(0, 0, smallerRadius, maghrib, isha));
UI.isha_arc.setAttribute("d", describeArc(0, 0, biggerRadius, isha, fajr));
UI.fajr_arc.setAttribute("d", describeArc(0, 0, biggerRadius, fajr, sunrise));
UI.dhuhr_txt.setAttribute("transform", transformText(0, 0, smallerRadius, dhuhr, asr));
UI.asr_txt.setAttribute("transform", transformText(0, 0, smallerRadius, asr, maghrib));
UI.maghrib_txt.setAttribute("transform", transformText(0, 0, smallerRadius, maghrib, isha));
UI.isha_txt.setAttribute("transform", transformText(0, 0, biggerRadius, isha, fajr));
UI.fajr_txt.setAttribute("transform", transformText(0, 0, biggerRadius, fajr, sunrise));
UI.fajr_arc.style.stroke = UI.fajr_txt.style.stroke = UI.fajr_txt.style.fill = "var(--highlight)";
UI.fajr_arc.style.opacity = UI.fajr_txt.style.opacity = opacityAlpha;
UI.dhuhr_arc.style.stroke = UI.dhuhr_txt.style.stroke = UI.dhuhr_txt.style.fill = "var(--highlight)";
UI.dhuhr_arc.style.opacity = UI.dhuhr_txt.style.opacity = opacityAlpha;
UI.asr_arc.style.stroke = UI.asr_txt.style.stroke = UI.asr_txt.style.fill = "var(--highlight)";
UI.asr_arc.style.opacity = UI.asr_txt.style.opacity = opacityAlpha;
UI.maghrib_arc.style.stroke = UI.maghrib_txt.style.stroke = UI.maghrib_txt.style.fill = "var(--highlight)";
UI.maghrib_arc.style.opacity = UI.maghrib_txt.style.opacity = opacityAlpha;
UI.isha_arc.style.stroke = UI.isha_txt.style.stroke = UI.isha_txt.style.fill = "var(--highlight)";
UI.isha_arc.style.opacity = UI.isha_txt.style.opacity = opacityAlpha;
if (fajr <= hours && hours < sunrise) {
UI.fajr_arc.style.stroke = UI.fajr_txt.style.stroke = UI.fajr_txt.style.fill = "var(--secondary)";
UI.fajr_arc.style.opacity = UI.fajr_txt.style.opacity = 1;
} else if (dhuhr <= hours && hours < asr) {
UI.dhuhr_arc.style.stroke = UI.dhuhr_txt.style.stroke = UI.dhuhr_txt.style.fill = "var(--secondary)";
UI.dhuhr_arc.style.opacity = UI.dhuhr_txt.style.opacity = 1;
} else if (asr <= hours && hours < maghrib) {
UI.asr_arc.style.stroke = UI.asr_txt.style.stroke = UI.asr_txt.style.fill = "var(--secondary)";
UI.asr_arc.style.opacity = UI.asr_txt.style.opacity = 1;
} else if (maghrib <= hours && hours < isha) {
UI.maghrib_arc.style.stroke = UI.maghrib_txt.style.stroke = UI.maghrib_txt.style.fill = "var(--secondary)";
UI.maghrib_arc.style.opacity = UI.maghrib_txt.style.opacity = 1;
} else if (isha <= hours || hours < fajr) {
UI.isha_arc.style.stroke = UI.isha_txt.style.stroke = UI.isha_txt.style.fill = "var(--secondary)";
UI.isha_arc.style.opacity = UI.isha_txt.style.opacity = 1;
}
UI.prayer_tracker.setAttribute("transform", `translate(${prayerTrackerCoordinates.x}, ${prayerTrackerCoordinates.y})`)
if (sunrise <= hours && hours < dhuhr) {
UI.prayer_tracker.setAttribute("fill", 'transparent');
}
requestAnimationFrame(updateClock)
}
requestAnimationFrame(updateClock);