mirror of
https://github.com/Shik3i/KoalaSync.git
synced 2026-07-26 12:08:15 +00:00
perf(website): migrate forest parallax to native CSS scroll-driven animations, fix step contrast, and resolve forced reflows
This commit is contained in:
KoalaDev
+30
-54
@@ -60,6 +60,16 @@ document.addEventListener('DOMContentLoaded', () => {
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}
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};
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const restartAnimation = (el, className) => {
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if (!el) return;
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el.classList.remove(className);
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requestAnimationFrame(() => {
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requestAnimationFrame(() => {
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el.classList.add(className);
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});
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});
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};
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// Populated by the forest renderer further down (no-op until then)
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let forestGreet = null;
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@@ -114,9 +124,7 @@ document.addEventListener('DOMContentLoaded', () => {
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// Switching into light mode flares the horizon once (sunrise)
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const scene = document.querySelector('.bg-nature');
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if (nextTheme === 'light' && scene && !window.matchMedia('(prefers-reduced-motion: reduce)').matches) {
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scene.classList.remove('sunrise');
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void scene.offsetWidth;
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scene.classList.add('sunrise');
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restartAnimation(scene, 'sunrise');
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setTimeout(() => scene.classList.remove('sunrise'), 1700);
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}
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});
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@@ -250,45 +258,20 @@ document.addEventListener('DOMContentLoaded', () => {
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const prefersReducedMotion = window.matchMedia('(prefers-reduced-motion: reduce)').matches;
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if (bambooFar && bambooNear && !prefersReducedMotion) {
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const depthDay = document.querySelector('.bg-depth-day');
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const depthDusk = document.querySelector('.bg-depth-dusk');
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const duskTint = document.querySelector('.bg-dusk-tint');
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const fireflies = Array.from(document.querySelectorAll('.firefly-wrap'), (el) => ({ el, x: 0, y: 0 }));
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const canHover = window.matchMedia('(hover: hover)').matches;
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let mouseX = 0;
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let mouseY = 0;
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let pointerX = -9999;
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let pointerY = -9999;
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let depthStep = '';
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let framePending = false;
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const renderForest = () => {
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framePending = false;
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const doc = document.documentElement;
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const maxScroll = Math.max(1, doc.scrollHeight - window.innerHeight);
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const depth = Math.min(1, window.scrollY / maxScroll);
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// Couple the forest directly to the scroll distance. The layers
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// follow the content's direction (up-screen while scrolling down)
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// but slower — near fastest, far slowest — so the forest recedes
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// with believable depth instead of moving against the page.
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const shift = Math.min(window.innerHeight * 0.55, window.scrollY * 0.14);
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bambooFar.style.transform = `translate(${(-mouseX * 5).toFixed(1)}px, ${(-shift * 0.42).toFixed(1)}px)`;
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bambooNear.style.transform = `translate(${(mouseX * 11).toFixed(1)}px, ${(-shift).toFixed(1)}px)`;
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if (bambooMid) bambooMid.style.transform = `translate(${(mouseX * 4).toFixed(1)}px, ${(-shift * 0.7).toFixed(1)}px)`;
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bambooFar.style.transform = `translateX(${(-mouseX * 5).toFixed(1)}px)`;
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bambooNear.style.transform = `translateX(${(mouseX * 11).toFixed(1)}px)`;
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if (bambooMid) bambooMid.style.transform = `translateX(${(mouseX * 4).toFixed(1)}px)`;
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if (depthDay) depthDay.style.transform = `translate(${(-mouseX * 2.5).toFixed(1)}px, ${(mouseY * 1.5).toFixed(1)}px)`;
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if (depthDay) depthDay.style.opacity = (1 - depth * 0.75).toFixed(3);
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if (depthDusk) depthDusk.style.opacity = (0.35 + depth * 0.65).toFixed(3);
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if (duskTint) duskTint.style.opacity = (depth * 0.85).toFixed(3);
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// Depth of field: step the far layer's blur on threshold crossings
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// only (filter changes are too expensive to run per frame)
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if (forestScene) {
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const step = depth < 0.33 ? '' : depth < 0.66 ? 'depth-mid' : 'depth-deep';
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if (step !== depthStep) {
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forestScene.classList.remove('depth-mid', 'depth-deep');
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if (step) forestScene.classList.add(step);
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depthStep = step;
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}
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}
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// Fireflies shy away from the cursor and drift back once it leaves
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let settling = false;
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@@ -326,13 +309,9 @@ document.addEventListener('DOMContentLoaded', () => {
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if (!fireflies.length) return;
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const wrap = fireflies[helloIndex % fireflies.length].el;
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helloIndex += 1;
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wrap.classList.remove('firefly-hello');
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void wrap.offsetWidth;
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wrap.classList.add('firefly-hello');
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restartAnimation(wrap, 'firefly-hello');
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setTimeout(() => wrap.classList.remove('firefly-hello'), 1300);
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};
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window.addEventListener('scroll', requestForestFrame, { passive: true });
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window.addEventListener('resize', requestForestFrame, { passive: true });
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if (canHover) {
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window.addEventListener('pointermove', (e) => {
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@@ -888,10 +867,7 @@ document.addEventListener('DOMContentLoaded', () => {
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};
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const pulse = (key) => {
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const el = tabs[key].root;
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el.classList.remove('sync-pulse');
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void el.offsetWidth; // restart the CSS animation
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el.classList.add('sync-pulse');
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restartAnimation(tabs[key].root, 'sync-pulse');
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};
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const NAMES = { a: '🐱 ChillCat', b: '🐶 HappyDog' };
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@@ -949,16 +925,15 @@ document.addEventListener('DOMContentLoaded', () => {
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let seekFlashTimers = [];
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const flashSeek = (root) => {
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if (!root) return;
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root.classList.remove('demo-seeking');
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// Restart every animated layer from frame zero so the jump is visible
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const film = root.querySelector('.demo-film');
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if (film) {
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film.classList.add('demo-reset');
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void film.offsetWidth; // force reflow so the browser commits the reset
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requestAnimationFrame(() => {
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film.classList.remove('demo-reset');
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});
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}
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void root.offsetWidth;
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root.classList.add('demo-seeking');
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restartAnimation(root, 'demo-seeking');
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const t = setTimeout(() => root.classList.remove('demo-seeking'), 360);
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seekFlashTimers.push(t);
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};
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@@ -1051,10 +1026,13 @@ document.addEventListener('DOMContentLoaded', () => {
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inviteFly.style.left = fromPoint.x + 'px';
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inviteFly.style.top = fromPoint.y + 'px';
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inviteFly.style.opacity = '1';
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void inviteFly.offsetWidth;
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requestAnimationFrame(() => {
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requestAnimationFrame(() => {
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inviteFly.style.transition = '';
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inviteFly.style.left = (toPoint.x - 40) + 'px';
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inviteFly.style.top = (toPoint.y + 2) + 'px';
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});
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});
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setTimeout(() => {
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inviteFly.style.opacity = '0';
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resolve();
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@@ -1067,9 +1045,7 @@ document.addEventListener('DOMContentLoaded', () => {
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if (videoSelect.options.length > 1) {
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videoSelect.selectedIndex = 1;
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}
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videoSelect.classList.remove('demo-attn');
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void videoSelect.offsetWidth;
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videoSelect.classList.add('demo-attn');
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restartAnimation(videoSelect, 'demo-attn');
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};
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if (createRoomBtn) createRoomBtn.addEventListener('click', () => setRoomJoined(true));
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@@ -1087,8 +1063,9 @@ document.addEventListener('DOMContentLoaded', () => {
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setConnected(false);
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setRoomJoined(false);
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}
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void scene.offsetWidth;
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requestAnimationFrame(() => {
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scene.classList.remove('demo-no-anim');
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});
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const showHint = () => {
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if (hint) hint.classList.add('show');
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@@ -1133,9 +1110,10 @@ document.addEventListener('DOMContentLoaded', () => {
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seekFlashTimers.forEach(clearTimeout);
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seekFlashTimers = [];
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// Force reflow and remove demo-no-anim:
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void scene.offsetWidth;
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// Remove demo-no-anim on next frame:
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requestAnimationFrame(() => {
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scene.classList.remove('demo-no-anim');
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});
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};
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const finishDemo = () => {
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if (demoFinished) return;
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@@ -1214,9 +1192,7 @@ document.addEventListener('DOMContentLoaded', () => {
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if (userTookOver || demoRunId !== myRunId || !el) return false;
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await moveTo(el, fx);
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if (userTookOver || demoRunId !== myRunId) return false;
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cursor.classList.remove('clicking');
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void cursor.offsetWidth;
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cursor.classList.add('clicking');
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restartAnimation(cursor, 'clicking');
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await wait(180);
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if (userTookOver || demoRunId !== myRunId) return false;
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if (action) action(); else el.click();
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+1
-1
@@ -107,7 +107,7 @@ async function minifyJS(raw) {
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const result = await esbuild.transform(raw, {
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loader: 'js',
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minify: true,
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target: 'es2020'
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target: 'es2022'
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});
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return result.code;
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}
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+76
-22
@@ -2583,7 +2583,7 @@ input:checked + .mock-slider:before {
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.step-num {
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font-size: 3.25rem;
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font-weight: 900;
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background: linear-gradient(135deg, oklch(0.68 0.13 150 / 0.5), oklch(0.62 0.14 45 / 0.15));
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background: linear-gradient(135deg, oklch(0.68 0.13 150 / 0.75), oklch(0.62 0.14 45 / 0.5));
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-webkit-background-clip: text;
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-webkit-text-fill-color: transparent;
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line-height: 1;
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@@ -2592,6 +2592,10 @@ input:checked + .mock-slider:before {
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letter-spacing: 0;
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}
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html.theme-light .step-num {
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background: linear-gradient(135deg, oklch(0.45 0.10 150), oklch(0.40 0.08 120));
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}
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.step-text h3 {
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font-size: 1.65rem;
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margin-bottom: 0.75rem;
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@@ -4231,16 +4235,7 @@ html.theme-light .compat-logo img.compat-logo-disneyplus-mark {
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border-bottom: 0;
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}
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#self-hosting,
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#faq,
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#faq + section,
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footer {
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background: var(--section-tint-strong);
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}
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#self-hosting {
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border-top: 1px solid var(--glass-border);
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}
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.comparison-table-wrapper {
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overflow-x: auto;
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@@ -6113,18 +6108,7 @@ html.theme-light .hero-demo-scene .demo-video::after {
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box-shadow: 0 0 8px var(--accent-glow);
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}
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.scroll-progress-bar::after {
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content: '';
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position: absolute;
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right: -3px;
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top: 50%;
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width: 10px;
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height: 7px;
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border-radius: 0 70% 0 70%;
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background: var(--accent-green);
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box-shadow: 0 0 6px var(--accent-glow);
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transform: translateY(-50%) rotate(24deg);
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}
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/* Navigation logo pop & spin */
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.nav-logo-img {
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@@ -6535,3 +6519,73 @@ html.theme-light .mobile-demo-close:hover {
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grid-template-columns: 1fr;
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}
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}
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/* ── 2026 Performance Optimizations: Scroll-Driven Animations ── */
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@keyframes scrollParallaxFar {
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from { translate: 0 0; }
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to { translate: 0 calc(-55vh * 0.42); }
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}
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@keyframes scrollParallaxMid {
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from { translate: 0 0; }
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to { translate: 0 calc(-55vh * 0.7); }
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}
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@keyframes scrollParallaxNear {
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from { translate: 0 0; }
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to { translate: 0 -55vh; }
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}
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@keyframes fadeDay {
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from { opacity: 1; }
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to { opacity: 0.25; }
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}
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@keyframes fadeDusk {
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from { opacity: 0.35; }
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to { opacity: 1; }
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}
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@keyframes fadeTint {
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from { opacity: 0; }
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to { opacity: 0.85; }
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}
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@keyframes blurFar {
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0%, 33% { filter: blur(4.5px); }
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34%, 66% { filter: blur(5.5px); }
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67%, 100% { filter: blur(6.5px); }
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}
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@keyframes blurMid {
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0%, 33% { filter: blur(2px); }
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34%, 66% { filter: blur(3px); }
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67%, 100% { filter: blur(4px); }
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}
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#bamboo-far {
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animation: scrollParallaxFar linear;
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animation-timeline: scroll(root);
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}
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#bamboo-mid {
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animation: scrollParallaxMid linear;
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animation-timeline: scroll(root);
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}
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#bamboo-near {
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animation: scrollParallaxNear linear;
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animation-timeline: scroll(root);
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}
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.bg-depth-day {
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animation: fadeDay linear;
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animation-timeline: scroll(root);
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}
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.bg-depth-dusk {
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animation: fadeDusk linear;
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animation-timeline: scroll(root);
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}
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.bg-dusk-tint {
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animation: fadeTint linear;
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animation-timeline: scroll(root);
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}
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#bamboo-far .bamboo-stalk {
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animation: blurFar linear;
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animation-timeline: scroll(root);
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}
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#bamboo-mid .bamboo-stalk {
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animation: blurMid linear;
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animation-timeline: scroll(root);
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}
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+1
-12
@@ -1194,18 +1194,7 @@ html.theme-light .hero-demo-scene .demo-video::after {
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box-shadow: 0 0 8px var(--accent-glow);
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}
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.scroll-progress-bar::after {
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content: '';
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position: absolute;
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right: -3px;
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top: 50%;
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width: 10px;
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height: 7px;
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border-radius: 0 70% 0 70%;
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background: var(--accent-green);
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box-shadow: 0 0 6px var(--accent-glow);
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transform: translateY(-50%) rotate(24deg);
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}
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/* Navigation logo pop & spin */
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.nav-logo-img {
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Vendored
+70
@@ -1419,3 +1419,73 @@ html.theme-light .compat-logo {
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filter: none;
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}
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/* ── 2026 Performance Optimizations: Scroll-Driven Animations ── */
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@keyframes scrollParallaxFar {
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from { translate: 0 0; }
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to { translate: 0 calc(-55vh * 0.42); }
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}
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@keyframes scrollParallaxMid {
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from { translate: 0 0; }
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to { translate: 0 calc(-55vh * 0.7); }
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}
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@keyframes scrollParallaxNear {
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from { translate: 0 0; }
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to { translate: 0 -55vh; }
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}
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@keyframes fadeDay {
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from { opacity: 1; }
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to { opacity: 0.25; }
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}
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@keyframes fadeDusk {
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from { opacity: 0.35; }
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to { opacity: 1; }
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}
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@keyframes fadeTint {
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from { opacity: 0; }
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to { opacity: 0.85; }
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}
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@keyframes blurFar {
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0%, 33% { filter: blur(4.5px); }
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34%, 66% { filter: blur(5.5px); }
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67%, 100% { filter: blur(6.5px); }
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}
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@keyframes blurMid {
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0%, 33% { filter: blur(2px); }
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34%, 66% { filter: blur(3px); }
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67%, 100% { filter: blur(4px); }
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}
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#bamboo-far {
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animation: scrollParallaxFar linear;
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animation-timeline: scroll(root);
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}
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#bamboo-mid {
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animation: scrollParallaxMid linear;
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animation-timeline: scroll(root);
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}
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#bamboo-near {
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animation: scrollParallaxNear linear;
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animation-timeline: scroll(root);
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}
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.bg-depth-day {
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animation: fadeDay linear;
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animation-timeline: scroll(root);
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}
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.bg-depth-dusk {
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animation: fadeDusk linear;
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animation-timeline: scroll(root);
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}
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.bg-dusk-tint {
|
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animation: fadeTint linear;
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animation-timeline: scroll(root);
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}
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#bamboo-far .bamboo-stalk {
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animation: blurFar linear;
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animation-timeline: scroll(root);
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}
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#bamboo-mid .bamboo-stalk {
|
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animation: blurMid linear;
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animation-timeline: scroll(root);
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}
|
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@@ -254,7 +254,7 @@
|
||||
.step-num {
|
||||
font-size: 3.25rem;
|
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font-weight: 900;
|
||||
background: linear-gradient(135deg, oklch(0.68 0.13 150 / 0.5), oklch(0.62 0.14 45 / 0.15));
|
||||
background: linear-gradient(135deg, oklch(0.68 0.13 150 / 0.75), oklch(0.62 0.14 45 / 0.5));
|
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-webkit-background-clip: text;
|
||||
-webkit-text-fill-color: transparent;
|
||||
line-height: 1;
|
||||
@@ -263,6 +263,10 @@
|
||||
letter-spacing: 0;
|
||||
}
|
||||
|
||||
html.theme-light .step-num {
|
||||
background: linear-gradient(135deg, oklch(0.45 0.10 150), oklch(0.40 0.08 120));
|
||||
}
|
||||
|
||||
.step-text h3 {
|
||||
font-size: 1.65rem;
|
||||
margin-bottom: 0.75rem;
|
||||
|
||||
@@ -146,16 +146,7 @@
|
||||
border-bottom: 0;
|
||||
}
|
||||
|
||||
#self-hosting,
|
||||
#faq,
|
||||
#faq + section,
|
||||
footer {
|
||||
background: var(--section-tint-strong);
|
||||
}
|
||||
|
||||
#self-hosting {
|
||||
border-top: 1px solid var(--glass-border);
|
||||
}
|
||||
|
||||
.comparison-table-wrapper {
|
||||
overflow-x: auto;
|
||||
|
||||
@@ -10,6 +10,7 @@
|
||||
<link rel="dns-prefetch" href="https://addons.mozilla.org">
|
||||
<link rel="dns-prefetch" href="https://github.com">
|
||||
|
||||
<link rel="preload" href="{{ASSET_PATH}}landing.min.css" as="style">
|
||||
<link rel="stylesheet" href="{{ASSET_PATH}}landing.min.css">
|
||||
<link rel="preload" as="image" href="{{ASSET_PATH}}assets/LookDownKoala.avif" imagesrcset="{{ASSET_PATH}}assets/LookDownKoala-1x.avif 90w, {{ASSET_PATH}}assets/LookDownKoala.avif 205w" imagesizes="90px" type="image/avif" fetchpriority="high">
|
||||
<link rel="icon" type="image/png" sizes="16x16" href="{{ASSET_PATH}}assets/favicon-16x16.png">
|
||||
@@ -294,7 +295,7 @@
|
||||
<nav>
|
||||
<div class="container nav-content">
|
||||
<a class="logo-area" href="{{ASSET_PATH}}" aria-label="KoalaSync home">
|
||||
<img class="nav-logo-img" src="{{ASSET_PATH}}assets/NewLogoIcon_128.webp" srcset="{{ASSET_PATH}}assets/NewLogoIcon_64.webp 64w, {{ASSET_PATH}}assets/NewLogoIcon_128.webp 128w, {{ASSET_PATH}}assets/NewLogoIcon.webp 256w" sizes="64px" alt="KoalaSync Logo" width="64" height="64">
|
||||
<img class="nav-logo-img" src="{{ASSET_PATH}}assets/NewLogoIcon_128.webp" srcset="{{ASSET_PATH}}assets/NewLogoIcon_64.webp 64w, {{ASSET_PATH}}assets/NewLogoIcon_128.webp 128w, {{ASSET_PATH}}assets/NewLogoIcon.webp 256w" sizes="64px" alt="KoalaSync Logo" width="64" height="64" fetchpriority="high" decoding="async">
|
||||
<span>KoalaSync</span>
|
||||
<div id="nav-extension-status" class="nav-ext-status" style="display: none;">
|
||||
<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="3" stroke-linecap="round" stroke-linejoin="round" width="12" height="12"><polyline points="20 6 9 17 4 12"></polyline></svg>
|
||||
|
||||
Reference in New Issue
Block a user