This commit is contained in:
MLH
2025-01-13 01:39:15 +01:00
parent 9b2cd1c9d9
commit 6db48223a2
4 changed files with 136 additions and 0 deletions

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<div class="snowstorm"></div>
<script src="seasonals/snowstorm.js"></script>
<link rel="stylesheet" href="seasonals/snowstorm.css">

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.snowflake {
position: fixed;
background-color: rgba(255, 255, 255, 0.8);
border-radius: 50%;
pointer-events: none;
opacity: 0.7;
}

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const snowstorm = true; // enable/disable snowstorm
const snowflakesCount = 500; // count of snowflakes (recommended values: 300-600)
const snowFallSpeed = 4; // speed of snowfall (recommended values: 0-8)
let msgPrinted = false; // flag to prevent multiple console messages
// function to check and control the snowstorm
function toggleSnowstorm() {
const snowstormContainer = document.querySelector('.snowstorm');
if (!snowstormContainer) return;
const videoPlayer = document.querySelector('.videoPlayerContainer');
const trailerPlayer = document.querySelector('.youtubePlayerContainer');
const isDashboard = document.body.classList.contains('dashboardDocument');
const hasUserMenu = document.querySelector('#app-user-menu');
// hide snowstorm if video/trailer player is active or dashboard is visible
if (videoPlayer || trailerPlayer || isDashboard || hasUserMenu) {
snowstormContainer.style.display = 'none'; // hide snowstorm
if (!msgPrinted) {
console.log('Snowstorm hidden');
msgPrinted = true;
}
} else {
snowstormContainer.style.display = 'block'; // show snowstorm
if (msgPrinted) {
console.log('Snowstorm visible');
msgPrinted = false;
}
}
}
// observe changes in the DOM
const observer = new MutationObserver(toggleSnowstorm);
// start observation
observer.observe(document.body, {
childList: true, // observe adding/removing of child elements
subtree: true, // observe all levels of the DOM tree
attributes: true // observe changes to attributes (e.g. class changes)
});
function createSnowstorm() {
const container = document.querySelector('.snowstorm') || document.createElement("div");
if (!document.querySelector('.snowstorm')) {
container.className = "snowstorm";
container.setAttribute("aria-hidden", "true");
document.body.appendChild(container);
}
const windowWidth = window.innerWidth;
const windowHeight = window.innerHeight;
for (let i = 0; i < snowflakesCount; i++) {
const snowflake = document.createElement('div');
snowflake.classList.add('snowflake');
// random size
const size = Math.random() * 4 + 1;
snowflake.style.width = `${size}px`;
snowflake.style.height = `${size}px`;
// random starting position
snowflake.style.left = `${Math.random() * windowWidth}px`;
snowflake.style.top = `${Math.random() * windowHeight}px`;
container.appendChild(snowflake);
animateSnowflake(snowflake);
}
}
function animateSnowflake(snowflake) {
// animation parameters
const fallSpeed = Math.random() * snowFallSpeed + 2;
const horizontalWind = Math.random() * 4 - 2;
const verticalVariation = Math.random() * 4 - 1;
function fall() {
const currentTop = parseFloat(snowflake.style.top || 0);
const currentLeft = parseFloat(snowflake.style.left || 0);
snowflake.style.top = `${currentTop + fallSpeed + verticalVariation}px`;
snowflake.style.left = `${currentLeft + horizontalWind}px`;
// if snowflake is out of the window, reset its position
if (currentTop > window.innerHeight) {
snowflake.style.top = '0px';
snowflake.style.left = `${Math.random() * window.innerWidth}px`;
}
requestAnimationFrame(fall);
}
fall();
}
// initialize snowstorm after the DOM is loaded
document.addEventListener('DOMContentLoaded', () => {
if (!snowstorm) return; // exit if snowstorm is disabled
createSnowstorm();
});

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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Snowstorm Display</title>
<link rel="stylesheet" href="snowstorm.css">
<style>
body {
background-color: black;
overflow: hidden;
}
</style>
</head>
<body>
<div id="snowstorm"></div>
<script src="snowstorm.js"></script>
</body>
</html>