97 lines
3.2 KiB
JavaScript
97 lines
3.2 KiB
JavaScript
document.addEventListener('DOMContentLoaded', () => {
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const FPS = 60; // Target frames per second for cursor tracking
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// -------- Video fixed BG ------------------------------
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const reelEl = document.getElementById('reel');
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if (!reelEl) return;
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const video = reelEl.tagName.toLowerCase() === 'video' ? reelEl : reelEl.querySelector('video');
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if (!video) return;
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function tryPlay() {
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const playPromise = video.play();
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if (playPromise !== undefined) {
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playPromise.catch(() => {
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// Autoplay bloqué : passer en muet et retenter
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video.muted = true;
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video.play().catch(() => {
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});
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});
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}
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}
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function handleVisibility(visible) {
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console.log('Visibility changed, playing:', visible);
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if (visible) {
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// make visible the video element
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video.style.visibility = 'visible';
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tryPlay();
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} else {
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video.style.visibility = 'hidden';
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video.pause();
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}
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}
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if ('IntersectionObserver' in window) {
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const observer = new IntersectionObserver((entries) => {
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entries.forEach(entry => {
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handleVisibility(entry.intersectionRatio >= 0.01);
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});
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}, {threshold: [0, 0.01, 1]});
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observer.observe(reelEl);
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} else {
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// Fallback simple : vérification sur scroll/resize
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let ticking = false;
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const check = () => {
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ticking = false;
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const rect = reelEl.getBoundingClientRect();
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const vh = window.innerHeight || document.documentElement.clientHeight;
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// Visible si une partie quelconque est dans la fenêtre
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const visible = rect.bottom > 0 && rect.top < vh;
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handleVisibility(visible);
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};
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const onScroll = () => {
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if (!ticking) {
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ticking = true;
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requestAnimationFrame(check);
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}
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};
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onScroll();
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window.addEventListener('scroll', onScroll, {passive: true});
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window.addEventListener('resize', onScroll);
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}
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document.addEventListener('visibilitychange', () => {
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if (document.hidden) video.pause();
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});
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// Cursor tracking
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//track the cursor position and set CSS variables --cursor-x and --cursor-y on the body element
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let x = 0;
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let y = 0;
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document.addEventListener('mousemove', (e) => {
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x = Math.round(((e.clientX / window.innerWidth) * 2 - 1) * 10000) / 10000;
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y = Math.round(((e.clientY / window.innerHeight) * 2 - 1) * 10000) / 10000;
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});
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let lastUpdate = 0;
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const FRAME_INTERVAL = 1000 / FPS;
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const updateTwist = (timestamp) => {
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if (!timestamp) timestamp = performance.now();
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if (timestamp - lastUpdate >= FRAME_INTERVAL) {
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document.body.style.setProperty('--cursor-x', x);
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document.body.style.setProperty('--cursor-y', y);
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lastUpdate = timestamp;
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}
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requestAnimationFrame(updateTwist);
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}
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updateTwist();
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// --------- Init Lenis smooth scroll ------------------------
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// Initialize Lenis
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const lenis = new Lenis({
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autoRaf: true,
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});
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});
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