adrien/daedalus
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random start hour

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Adrien MALINGREY 2023-06-03 14:06:13 +02:00
parent 2ba43c03b4
commit 29053eeaec
1 changed files with 5 additions and 3 deletions
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8
main.js
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@ -276,6 +276,7 @@ const diff = today - startOfYear;
const oneDay = 1000 * 60 * 60 * 24;
const dayOfYear = Math.floor(diff / oneDay);
const declination = 0.40928 * Math.sin(2*Math.PI*(dayOfYear+284)/365)
const startHour = 24 * Math.random()
function updateSun() {
@ -288,10 +289,10 @@ function updateSun() {
} else {
const time = clock.elapsedTime ;
const hour = ( 14 + time / 1440 ) % 24
const hour = ( startHour + time / 1440 ) % 24
const hourAngle = Math.PI * (1-hour/12)
elevation = Math.asin( Math.sin(declination)*Math.sin(latitude) + Math.cos(declination)*Math.cos(latitude)*Math.cos(hourAngle) )
azimuth = 0.6 + Math.asin( Math.cos(declination)*Math.sin(hourAngle)/Math.cos(elevation) )
azimuth = -Math.PI/2 + Math.asin( Math.cos(declination)*Math.sin(hourAngle)/Math.cos(elevation) )
}
@ -324,7 +325,7 @@ function updateSun() {
}
updateSun();
setInterval( updateSun, 100 );
const updateSunIntervalId = setInterval( updateSun, 100 );
// showGUI
@ -482,6 +483,7 @@ function playerCollisions() {
addEventListener("animationend", (event) => {
stopAnimation = true;
clearInterval( updateSunIntervalId );
document.exitPointerLock();
});