MarseyWorld/files/assets/js/fireworks.js

41 lines
999 B
JavaScript

function execute_fireworks(firework) {
firework.firstElementChild.src = `${SITE_FULL_IMAGES}/i/firework-trail.webp`
const xpos = Math.floor(Math.random() * 80) + 5
let ypos = 95
firework.style.top=ypos+"%"
firework.style.left=xpos+"%"
firework.style.display="inline-block"
const hue = Math.floor(Math.random()*360)+1
firework.style.filter="hue-rotate("+hue+"deg)"
let id = null
const height = Math.floor(Math.random()*60)+15
clearInterval(id);
id = setInterval(frame, 20);
const vnum = Math.floor(Math.random()*1000)
function frame() {
if (ypos <= height) {
clearInterval(id);
firework.firstElementChild.src = `${SITE_FULL_IMAGES}/i/firework-explosion.webp?v=${vnum}`
} else {
ypos--;
firework.style.top=ypos+"%"
}
}
}
let counter = 0
for (let firework of document.getElementsByClassName("firework")){
const timeout = 2000 * counter
counter++
setTimeout(() => {
execute_fireworks(firework)
setInterval(execute_fireworks, 5000, firework)
}, timeout)
}