16:I[54961,["/_next/static/immutable/chunks/10r1qlsoygogh.js","/_next/static/immutable/chunks/1_f1jqdld4ngu.js","/_next/static/immutable/chunks/19vifo6_mi-qi.js","/_next/static/immutable/chunks/3kb194ft35tsv.js","/_next/static/immutable/chunks/1kmzbl6k42gme.js","/_next/static/immutable/chunks/1ekzdpc_7chvz.js","/_next/static/immutable/chunks/3kscktpsmulhw.js","/_next/static/immutable/chunks/1wyf15k9llk8a.js"],"default"] 17:T23ec,'use client'; import { useEffect, useMemo, useRef } from 'react'; import { clampNumber, frameLoop, reducedMotion } from './frame-loop'; /** * SnapTrail — the pointer deals a trail of photo cards. Every few dozen pixels a new card pops in * under the cursor with a springy overshoot and a small random tilt, stacking over the previous ones; * each card lives for a moment, then shrinks, blurs and fades from the tail end. Cards never take * pointer events, so the content underneath stays clickable. A pool of nodes is reused, nothing is * created while moving. */ export type SnapTrailProps = { headline?: string; subline?: string; /** Label of the real link under the trail; empty to hide. */ linkLabel?: string; linkHref?: string; images?: string[]; /** 20–160: pointer distance between two cards, in px. */ spacing?: number; /** 0.3–2.5: seconds a card stays before leaving. */ life?: number; background?: string; ink?: string; /** Deal cards along a looping path while the pointer is away. */ autoPilot?: boolean; compact?: boolean; paused?: boolean; className?: string; }; const DEFAULT_IMAGES = Array.from( { length: 12 }, (_, i) => `/media/gallery/image-${String([2, 3, 6, 7, 8, 9, 10, 11, 14, 15, 17, 18][i]).padStart(2, '0')}.webp`, ); const POOL = 22; export type TrailCard = { x: number; y: number; born: number; tilt: number; image: number; alive: boolean; }; /** Scale/opacity/blur of a card `age` seconds old with lifetime `life`. */ export function trailPose(age: number, life: number) { const pop = Math.min(1, age / 0.38), c = 1.9, inScale = age < 0.38 ? 1 + (c + 1) * Math.pow(pop - 1, 3) + c * Math.pow(pop - 1, 2) : 1; const out = Math.max(0, Math.min(1, (age - life) / 0.45)), o = out * out; return { scale: Math.max(0, (0.55 + 0.45 * inScale) * (1 - o * 0.55)), opacity: Math.min(1, age / 0.08) * (1 - o), blur: o * 8, done: out >= 1, }; } export default function SnapTrail({ headline = 'Wander freely', subline = 'Move across the panel. The link still works underneath.', linkLabel = 'A real link', linkHref = '#', images = DEFAULT_IMAGES, spacing = 64, life = 0.9, background = '#111112', ink = '#f4f4f2', autoPilot = true, compact = false, paused = false, className = '', }: SnapTrailProps) { const root = useRef(null); const pics = useMemo(() => { const list = (Array.isArray(images) ? images : []) .filter((s) => typeof s === 'string' && s) .slice(0, 24); return list.length ? list : DEFAULT_IMAGES; }, [images]); const tune = useRef({ spacing: clampNumber(spacing, 64, 20, 160), life: clampNumber(life, 0.9, 0.3, 2.5), autoPilot, }); tune.current = { spacing: clampNumber(spacing, 64, 20, 160), life: clampNumber(life, 0.9, 0.3, 2.5), autoPilot, }; const pausedRef = useRef(paused); pausedRef.current = paused; const wake = useRef(() => {}); useEffect(() => { const host = root.current; if (!host) return; const nodes = [...host.querySelectorAll('.st-card')], imgs = nodes.map((n) => n.querySelector('img')!); const cards: TrailCard[] = nodes.map(() => ({ x: 0, y: 0, born: 0, tilt: 0, image: 0, alive: false, })); let clock = 0, slot = 0, next = 0, lastX = NaN, lastY = NaN, lastHuman = -99, pilot = 0; const motion = reducedMotion(() => loop.wake()); const spawn = (x: number, y: number) => { const c = cards[slot]; Object.assign(c, { x, y, born: clock, tilt: (Math.random() - 0.5) * 16, image: next % pics.length, alive: true, }); const node = nodes[slot]; imgs[slot].src = pics[c.image]; node.style.zIndex = String(Math.floor(clock * 60) % 100000); slot = (slot + 1) % nodes.length; next++; }; const feed = (x: number, y: number) => { if (Number.isNaN(lastX)) { lastX = x; lastY = y; spawn(x, y); return; } const d = Math.hypot(x - lastX, y - lastY), gap = tune.current.spacing * (compact ? 0.7 : 1); if (d >= gap) { const steps = Math.min(4, Math.floor(d / gap)); for (let i = 1; i <= steps; i++) spawn(lastX + ((x - lastX) * i) / steps, lastY + ((y - lastY) * i) / steps); lastX = x; lastY = y; } }; const render = () => { let any = false; const size = host.clientWidth * (compact ? 0.16 : 0.12); cards.forEach((c, i) => { const node = nodes[i]; if (!c.alive) { node.style.opacity = '0'; return; } const p = trailPose(clock - c.born, tune.current.life); if (p.done) { c.alive = false; node.style.opacity = '0'; return; } any = true; node.style.width = node.style.height = `${size}px`; node.style.transform = `translate3d(${(c.x - size / 2).toFixed(1)}px,${(c.y - size / 2).toFixed(1)}px,0) rotate(${c.tilt.toFixed(1)}deg) scale(${p.scale.toFixed(3)})`; node.style.opacity = p.opacity.toFixed(3); node.style.filter = p.blur > 0.2 ? `blur(${p.blur.toFixed(1)}px)` : ''; }); return any; }; const loop = frameLoop( host, (dt) => { clock += dt; if ( tune.current.autoPilot && !motion.query.matches && clock - lastHuman > 1.6 ) { if (clock - lastHuman < 1.6 + dt * 1.5) { lastX = NaN; } pilot += dt; const w = host.clientWidth, h = host.clientHeight, a = pilot * 1.25; feed(w * (0.5 + Math.sin(a) * 0.36), h * (0.5 + Math.sin(a * 2) * 0.24)); } const any = render(); return any || (tune.current.autoPilot && !motion.query.matches); }, () => pausedRef.current, ); wake.current = () => loop.wake(); const move = (event: PointerEvent) => { if (motion.query.matches) return; const box = host.getBoundingClientRect(); if (clock - lastHuman > 0.3) lastX = NaN; lastHuman = clock; feed(event.clientX - box.left, event.clientY - box.top); host.dataset.touched = 'true'; loop.wake(); }; host.addEventListener('pointermove', move, { passive: true }); host.dataset.ready = 'true'; loop.wake(); return () => { loop.dispose(); motion.dispose(); host.removeEventListener('pointermove', move); delete host.dataset.ready; delete host.dataset.touched; }; }, [pics, compact]); useEffect(() => { wake.current(); }, [paused, autoPilot]); const title = String(headline ?? '').slice(0, 40), sub = String(subline ?? '').slice(0, 90), link = String(linkLabel ?? '').slice(0, 30); return (

{title &&

{title}

} {sub && !compact &&

{sub}

} {link && ( { if (!linkHref || linkHref === '#') event.preventDefault(); }} > {link} )}

); } const styles = ` .snap-trail{position:relative;width:100%;height:100%;min-height:260px;overflow:hidden;isolation:isolate;container-type:size;font-family:'Urbanist Variable',Urbanist,system-ui,sans-serif;touch-action:pan-y} .st-copy{position:absolute;inset:0;z-index:1;display:grid;place-content:center;justify-items:center;text-align:center;gap:clamp(6px,1.6cqh,14px);padding:0 6%} .st-title{margin:0;font-size:clamp(28px,min(9cqw,16cqh),110px);font-weight:700;letter-spacing:-.04em;line-height:.95} .st-sub{margin:0;font-size:clamp(10px,1.3cqw,14px);opacity:.5} .st-link{display:inline-block;padding:.55em 1.1em;border-radius:99px;background:#f4f4f2;color:#111;font-size:clamp(10px,1.2cqw,13px);font-weight:600;line-height:1;text-decoration:none} .st-link:focus-visible{outline:2px solid #f4f4f2;outline-offset:3px} .st-layer{position:absolute;inset:0;z-index:2;pointer-events:none} .st-card{position:absolute;left:0;top:0;opacity:0;border-radius:clamp(6px,1.1cqw,14px);overflow:hidden;box-shadow:0 18px 30px -16px rgba(0,0,0,.6),0 0 0 1px rgba(255,255,255,.08);will-change:transform,opacity} .st-card img{display:block;width:100%;height:100%;object-fit:cover} `; 18:Ta89,/** * Shared animation loop for Motiqo motion pieces. It runs `tick` on requestAnimationFrame only while * the host is on screen, the tab is visible and the caller is not paused; `tick` returns false when * there is nothing left to animate, and `wake()` starts it again. Time is passed in seconds, clamped * so a long stall never produces a jump. */ export type FrameLoop = { wake: () => void; dispose: () => void; readonly running: boolean; }; export function frameLoop( host: Element, tick: (dt: number, time: number) => boolean | void, blocked: () => boolean = () => false, ): FrameLoop { let raf = 0, last = 0, time = 0, onScreen = true, disposed = false; const allowed = () => !disposed && onScreen && !document.hidden && !blocked(); const frame = (now: number) => { raf = 0; const dt = last ? Math.min(0.05, Math.max(0, (now - last) / 1000)) : 1 / 60; last = now; time += dt; const more = tick(dt, time); if (more !== false && allowed()) raf = requestAnimationFrame(frame); else last = 0; }; const wake = () => { if (allowed()) { if (!raf) raf = requestAnimationFrame(frame); } else { if (raf) cancelAnimationFrame(raf); raf = 0; last = 0; } }; const seen = new IntersectionObserver(([entry]) => { onScreen = entry.isIntersecting; wake(); }); seen.observe(host); document.addEventListener('visibilitychange', wake); return { wake, dispose() { disposed = true; if (raf) cancelAnimationFrame(raf); raf = 0; seen.disconnect(); document.removeEventListener('visibilitychange', wake); }, get running() { return raf !== 0; }, }; } /** Subscribes to prefers-reduced-motion; returns the query and an unsubscribe function. */ export function reducedMotion(onChange: () => void) { const query = matchMedia('(prefers-reduced-motion: reduce)'); query.addEventListener('change', onChange); return { query, dispose: () => query.removeEventListener('change', onChange) }; } export const clampNumber = ( value: unknown, fallback: number, min: number, max: number, ) => { const n = typeof value === 'number' && Number.isFinite(value) ? value : fallback; return Math.min(max, Math.max(min, n)); }; export const isHex = (value: unknown): value is string => typeof value === 'string' && /^#[\da-f]{6}$/i.test(value); export const smooth = (t: number) => { const x = Math.min(1, Math.max(0, t)); return x * x * (3 - 2 * x); }; export const easeOutBack = (t: number) => { const x = Math.min(1, Math.max(0, t)), c = 1.70158; return 1 + (c + 1) * Math.pow(x - 1, 3) + c * Math.pow(x - 1, 2); }; b:["$","$L16",null,{"viewer":{"user":null,"pro":false,"plan":null,"renewsAt":null,"cancelAtPeriodEnd":false,"provider":null},"initialView":"preview","originalSource":{"snap-trail":[{"name":"snap-trail.tsx","code":"$17"},{"name":"frame-loop.ts","code":"$18"}]},"initialElement":"snap-trail","initialConfiguration":"$undefined","initialSaved":false,"initialTag":"","initialGroup":"$undefined","initialFree":false}]