Motion blur

62:I[707087,["/_next/static/immutable/chunks/3arlv5bvukoo2.js","/_next/static/immutable/chunks/39v64hmfyo-sr.js","/_next/static/immutable/chunks/2nvof3-29tvc3.js","/_next/static/immutable/chunks/3tjobt77z_9dj.js","/_next/static/immutable/chunks/04j_o97cgxn2x.js","/_next/static/immutable/chunks/3upr08c9vtj8w.js","/_next/static/immutable/chunks/1ww0328si-u8x.js","/_next/static/immutable/chunks/11mfl5ymqld9-.js","/_next/static/immutable/chunks/2xxcqy6ppds3l.js","/_next/static/immutable/chunks/1bpgyrs5qflhu.js","/_next/static/immutable/chunks/0-6vu2ul1h6ld.js","/_next/static/immutable/chunks/43_s7jweyypoh.js","/_next/static/immutable/chunks/0p6vao205o1jc.js","/_next/static/immutable/chunks/1_kyvgkyokw92.js","/_next/static/immutable/chunks/1lo-zn37dolb5.js","/_next/static/immutable/chunks/1v8k6yxw1rg0u.js"],"RegistryDependencies"] 63:I[314491,["/_next/static/immutable/chunks/3arlv5bvukoo2.js","/_next/static/immutable/chunks/39v64hmfyo-sr.js","/_next/static/immutable/chunks/2nvof3-29tvc3.js","/_next/static/immutable/chunks/3tjobt77z_9dj.js","/_next/static/immutable/chunks/04j_o97cgxn2x.js","/_next/static/immutable/chunks/3upr08c9vtj8w.js","/_next/static/immutable/chunks/1ww0328si-u8x.js","/_next/static/immutable/chunks/11mfl5ymqld9-.js","/_next/static/immutable/chunks/2xxcqy6ppds3l.js","/_next/static/immutable/chunks/1bpgyrs5qflhu.js","/_next/static/immutable/chunks/0-6vu2ul1h6ld.js","/_next/static/immutable/chunks/43_s7jweyypoh.js","/_next/static/immutable/chunks/0p6vao205o1jc.js","/_next/static/immutable/chunks/1_kyvgkyokw92.js","/_next/static/immutable/chunks/1lo-zn37dolb5.js","/_next/static/immutable/chunks/1v8k6yxw1rg0u.js"],"FilesView"] 64:T63f7,// Count Grid · snapcn — https://snapcn.dev/docs/scenes/count-grid "use client"; import { loadFont as loadSans } from "@remotion/google-fonts/Inter"; import { AbsoluteFill, getRemotionEnvironment, Img, interpolate, staticFile, useCurrentFrame, useVideoConfig, } from "remotion"; import { Item, mixOklch, type SnapCnTheme, useSnapCnTheme, } from "@/lib/snap-cn-ui"; /** * A grid of cards that rushes in, settles on a small count, then fills the * frame while the number jumps. * * Five cards and a label; the camera pulls back a fraction, every empty cell * around them fills in from the middle out, and the label goes from five to * five hundred. It is the "and it scales" shot — one thing, then all of them, * without a cut. * * Beat by beat, measured off the reference at 30fps: * * | beat | frames | what moves | * | --- | --- | --- | * | rush in | 0 – 7 | cell pitch 184 → 138, hard horizontal blur | * | settle | 7 – 19 | 138 → 121, blur gone by 12 | * | label | 11 – 18 | the whole line fades up at once | * | drift | 19 – 36 | 121 → 118, still moving, never held | * | fill | 37 – 46 | 118 → 96.5, every cell populates, 5 → 500 | * * The pull-back is a *scale*, not a camera z-move: the two centre columns hold * their midpoint at x 358.5 for all 47 frames while the pitch between them * walks 138.5 → 96.5, and the cards keep a constant fraction of the cell. And * the settle never actually settles — the pitch is still shedding a fifth of a * pixel per frame at frame 37, which is what stops the middle of the shot * looking like a freeze-frame. */ const { fontFamily: SANS } = loadSans(); /* ───────────────────────────────────────────────────────────────────────── Geometry, in the reference's own 712×398 pixels ───────────────────────────────────────────────────────────────────────── */ export const REF_W = 712; export const REF_H = 398; /** * What the pull-back scales about. * * Horizontally it is the midpoint the two centre columns hold all clip: 358.75. * Vertically it is *not* the middle row — the centre row's own middle sits at * 202.5 and moves to 203.5 as the grid shrinks, which puts the fixed point 5px * lower, at 207.6. Scaling about the row instead leaves the whole grid a * pixel high through the entire fill. */ export const ORIGIN = { x: 358.75, y: 207.6 }; /** * One cell at scale 1, and how much of it the card takes. * * The *cell* is measured — 120.5 × 147, the pitch the whole pull-back is fitted * to. The card inside it is a design choice and it is deliberately not the * reference's: measured, that card is 90.5 × 117 with a 30px gutter and a 6px * radius, which reads as a scatter of small rounded stickers. This one fills * 95% of its cell with a 3px corner, so the grid reads as a wall of frames. */ export const CELL = { w: 120.5, h: 147 }; export const CARD = { w: 114.5, h: 139.5, radius: 3 }; /** * How much closer the grid sits than the reference's camera. * * One, now. It was 1.75 for exactly as long as it took to find out that the * cards were being *drawn* at reference-pixel size inside cells laid out at * render-pixel size — 0.42 of their own cell rather than 0.95 — and that no * amount of zoom fixes a missing unit conversion, it only moves the error into * the cell spacing as well. Left in place because it is the honest knob if the * grid should ever sit closer than the reference's, and because a `1` with this * note attached is cheaper than someone rediscovering the bug. */ export const GRID_ZOOM = 1; /** A column *boundary* sits on the centre; a row *centre* does. */ export const COL_EDGE = 359; export const ROW_MID = 202.5; /** * The five that are there before the grid fills. * * `[col, row]`, with column 0 immediately right of the centre boundary and row * 0 the middle row. Four make a square around the label and the fifth hangs * below on the right — an even 2×2 reads as a swatch, and the odd one out is * what makes it read as a handful of people. */ export const SEED: readonly (readonly [number, number])[] = [ [-1, -1], [0, -1], [-1, 0], [0, 0], [0, 1], ]; /** The label, at scale 1. */ export const LABEL = { cy: ROW_MID, size: 30, padX: 15, height: 41, radius: 9, }; /* ───────────────────────────────────────────────────────────────────────── Curves ───────────────────────────────────────────────────────────────────────── */ /** When the grid stops being five cards and becomes all of them. */ export const FILL_AT = 37; /** * The cell pitch, in reference px — the one number the whole scene hangs on. * * Tracked as the distance between the two centre columns: 138.5 at frame 7, * 128 at 11, 121.5 at 19, 120 at 26, 118 from 32 to 36, then 113, 104, 99.5, * 96.5 across the fill. Before frame 7 the horizontal blur is wider than a card * and nothing can be measured, so that stretch is the same exponential run * backwards, which puts frame 0 at 174 — a card and a half outside the frame. * * Knots, not that exponential. Two of them fitted the settle and the fill to * within a pixel and a half each, which is a pixel and a half of grid, and they * met 3.7px apart at the switch going the *wrong way* — the pitch grew by 0.17 * between 36 and 37, so the grid jolted outward on the exact frame it was * supposed to start collapsing. Every knot below is a measured frame and the * table is strictly decreasing, so it cannot do that. * * Every frame number here is zero-based, and every one of them was read off a * file called `f0NN.png` that is one-based: `f038.png` is frame 37. Taking the * filenames at face value put the whole clip a frame late and cost the switch * frame alone 17 mean. */ export function pitch(t: number, fps = 30): number { return interpolate( t * fps, [ 0, 7, 9, 11, 13, 15, 17, 19, 22, 26, 29, 31, 36, 37, 38, 39, 40, 41, 42, 43, 45, 46, ], [ 174, 138.5, 132, 128, 125, 124, 122.5, 121.5, 120, 119.6, 119, 118.5, 118, 117.9, 113, 106, 104, 102, 99.5, 97.5, 96.6, 96.5, ], { extrapolateLeft: "clamp", extrapolateRight: "clamp" }, ); } /** The pitch as a multiple of the cell, which is what everything scales by. */ export function gridScale(t: number, fps = 30): number { return pitch(t, fps) / CELL.w; } /** * The horizontal blur, in reference px. * * Measured as the frame's own horizontal gradient, which is what a smear * actually costs: 0.28 at frame 3, 1.90 at 4, 2.75 at 5, and then flat for ten * frames while it creeps to 3.18. So the blur is spent inside five frames and * the long ease that follows it is sharp. * * The first cut derived this from the pull-back's own speed, on the theory that * a blur and its motion should not be able to disagree. They can: the motion is * still shedding two pixels of pitch a frame at frame 8 and the reference is * already sharp there, so the derivative kept a smear on screen for seven * frames the reference does not have, and cost those frames 3 mean each. */ export function entryBlur(t: number, fps = 30): number { return interpolate(t * fps, [0, 2, 3, 4, 5], [22, 14, 6, 2, 0], { extrapolateLeft: "clamp", extrapolateRight: "clamp", }); } /** * The one card that arrives late, in reference px of extra smear. * * The scene's own blur is spent by frame 5, but the card behind the label is * still a horizontal streak at 7 and only lands around 9 — every other card is * sharp and at scale by 5. It is the detail that makes the entry read as five * separate things arriving rather than one picture being pushed in, and it is * the only per-card timing in the piece. */ export const LATE_CARD: readonly [number, number] = [-1, 0]; export function lateBlur(t: number, fps = 30): number { return interpolate(t * fps, [3, 5, 7, 9], [26, 17, 7, 0], { extrapolateLeft: "clamp", extrapolateRight: "clamp", }); } /** The label fading up, all of it at once. */ export function labelIn(t: number, fps = 30): number { return interpolate(t * fps, [11, 13, 15, 17, 18], [0, 0.22, 0.55, 0.9, 1], { extrapolateLeft: "clamp", extrapolateRight: "clamp", }); } /** * How present a cell is. * * `ring` is the Chebyshev distance to the nearest seed cell, so the ring * touching the five arrives first and each one after it a frame later. That * ordering is measured: at frame 37 exactly two new columns exist, either side * of the original two, and by 38 there are eight. */ export function cellIn(ring: number, t: number, fps = 30): number { if (ring === 0) return 1; // Half a frame per ring and two frames each: the reference is 90% done in // three frames — 20.3, 19.0, 19.8 mean change and then a decay — and a // ring-per-frame stagger over three turned that into a five-frame ramp that // peaked two frames after the reference had finished. // The ramp *straddles* the switch frame rather than starting on it: at frame // 37 the reference's first new columns are already half there — 80px wide // against a settled 90 — so a ring that is still zero on 37 arrives a whole // frame late and the change profile peaks two frames after the reference's. // // A whole frame of stagger, not half. On frame 37 the reference has ring one // and nothing else; by 38 it has rings one and two, the second of them // narrower than the first. Half a frame put ring two on screen a frame early // and drew cards where the reference still had page. const at = FILL_AT - 1 + (ring - 1); return interpolate(t * fps, [at, at + 1.5], [0, 1], { extrapolateLeft: "clamp", extrapolateRight: "clamp", }); } /** Chebyshev distance from a cell to the nearest of the five. */ export function ringOf(col: number, row: number): number { let best = Number.POSITIVE_INFINITY; for (const [c, r] of SEED) { best = Math.min(best, Math.max(Math.abs(col - c), Math.abs(row - r))); } return best; } /* ───────────────────────────────────────────────────────────────────────── Component ───────────────────────────────────────────────────────────────────────── */ export interface CountGridProps { /** What the label counts, before the grid fills and after. */ from?: string; to?: string; /** The noun after the number. */ noun?: string; /** Card images, cycled across the grid. Anything `` can load. */ cards?: string[]; /** Defaults to the theme's `background`. */ background?: string; /** * The label's ink, left end and right end of its gradient. Default to * `primary` walked halfway toward `foreground`, then `primary` — the navy → * blue the reference had, but one that turns pale in dark mode instead of * vanishing into it. */ inkFrom?: string; inkTo?: string; theme?: Partial; mode?: "light" | "dark"; /** 1 is the measured speed. */ speed?: number; } /** * The card faces: frames out of snapcn's own showcase clips, and one still per * component in the registry — which is what the label is counting. * * Through `staticFile`, not as a bare path. A Remotion bundle copies the public * directory to `/public/` and serves it from there, so a hard-coded * `/demos/posters/x.webp` is a 404 in every render while looking perfect in the * app — `staticFile` is what knows the difference. None of these live in * `public/` any more: a fresh install has no snapcn `public/`, so a relative * path there failed every render outside this repo. All of them are full URLs * on snapcn's media host; `staticFile` is only for a user's own relative paths. * * Both kinds on purpose. Eight frames alone tile visibly across forty cells; * the registry's stills alone are 16:9 scenes of dark text on white, and a 3:4 * crop of one is a blank card. Interleaved they read the way a real library of * clips does — some motion, some interface — and land between the two on * weight, which is also where the reference's grid of portraits sits. */ const ART = [ "https://media.snapcn.dev/demos/showcase/438b9e6b50654a44d404fbf358c26e9f.webp", "https://media.snapcn.dev/demos/showcase/5e5305b05bd405a0d89570725434099e.webp", "https://media.snapcn.dev/demos/showcase/767d99bb371a54d0d36751e8cecae43c.jpg", "https://media.snapcn.dev/demos/showcase/821d815affa6496c39cbdeeec7a84603.jpg", "https://media.snapcn.dev/demos/showcase/937438c560ada1c83317f2c11b3454b0.jpg", "https://media.snapcn.dev/demos/showcase/98f89cb9994f5c382ab964062c4039db.jpg", "https://media.snapcn.dev/demos/showcase/b25b82db2892efff9be3204e860d30ee.jpg", "https://media.snapcn.dev/demos/showcase/c9ebc6337aa2268ac4b357f9cb1ac547.jpg", ]; const STILLS = [ "https://media.snapcn.dev/demos/posters/agent-steps.webp", "https://media.snapcn.dev/demos/posters/announce-title.webp", "https://media.snapcn.dev/demos/posters/answer-highlight.webp", "https://media.snapcn.dev/demos/posters/answer-stream.webp", "https://media.snapcn.dev/demos/posters/block-wordmark.webp", "https://media.snapcn.dev/demos/posters/cursor-track.webp", "https://media.snapcn.dev/demos/posters/follower-rush.webp", "https://media.snapcn.dev/demos/posters/hero-launch.webp", "https://media.snapcn.dev/demos/posters/karaoke-captions.webp", "https://media.snapcn.dev/demos/posters/laptop-frame.webp", "https://media.snapcn.dev/demos/posters/logo-assemble.webp", "https://media.snapcn.dev/demos/posters/logo-drift.webp", "https://media.snapcn.dev/demos/posters/logo-flicker.webp", "https://media.snapcn.dev/demos/posters/moodboard-reveal.webp", "https://media.snapcn.dev/demos/posters/orbit-gallery.webp", "https://media.snapcn.dev/demos/posters/phone-frame.webp", "https://media.snapcn.dev/demos/posters/prompt-send.webp", "https://media.snapcn.dev/demos/posters/prompt-zoom.webp", "https://media.snapcn.dev/demos/posters/punch-lines.webp", "https://media.snapcn.dev/demos/posters/screen-recording.webp", "https://media.snapcn.dev/demos/posters/search-typing.webp", "https://media.snapcn.dev/demos/posters/status-cycle.webp", "https://media.snapcn.dev/demos/posters/terminal-simulator.webp", "https://media.snapcn.dev/demos/posters/text-build.webp", "https://media.snapcn.dev/demos/posters/text-highlight.webp", "https://media.snapcn.dev/demos/posters/text-reveal.webp", "https://media.snapcn.dev/demos/posters/text-rewrite.webp", "https://media.snapcn.dev/demos/posters/text-select.webp", "https://media.snapcn.dev/demos/posters/text-swap.webp", "https://media.snapcn.dev/demos/posters/text-swell.webp", "https://media.snapcn.dev/demos/posters/type-morph.webp", "https://media.snapcn.dev/demos/posters/word-captions.webp", "https://media.snapcn.dev/demos/posters/word-flip.webp", ]; // `concat(...map)`, not `flatMap`: a stock Remotion project types against // ES2015, where `flatMap` does not exist and the install shows red. const OWN_CARDS = ([] as string[]) .concat(...STILLS.map((s, i) => [ART[i % ART.length] as string, s])) .map((f) => (f.startsWith("https://") ? f : staticFile(f))); // index 0, 2, 4 … are ART by construction, and the five seed cells only ever // reach the first `SEED.length` of them. /** * A root-relative asset is a `public/` file. Only the site's own Player serves * it at that path; Remotion Studio and a render know its URL through * `staticFile()` alone — so every environment but the Player rewrites it. */ function resolveSrc(src: string): string { const isLocal = src.startsWith("/") && !src.startsWith("//"); if (!isLocal || getRemotionEnvironment().isPlayer) return src; // A value that already came out of staticFile() carries the static base // (`/static-/…`); running it through again would prefix it twice. const base = staticFile("_").slice(0, -2); if (base && src.startsWith(`${base}/`)) return src; try { return staticFile(src.replace(/^\/+/, "")); } catch { return src; } } export function CountGrid({ from = "5", to = "500", noun = "clips", cards = OWN_CARDS, background, inkFrom, inkTo, speed = 1, theme, mode, }: CountGridProps) { const t = useSnapCnTheme(theme, mode); const page = background ?? t.background; const ink0 = inkFrom ?? mixOklch(t.primary, t.foreground, 0.5); const ink1 = inkTo ?? t.primary; // The card edge is half a hairline: forty full-strength borders read as a // grid of boxes, not a wall of frames. const cardEdge = mixOklch(t.card, t.border, 0.5); const frame = useCurrentFrame(); const { fps, width, height } = useVideoConfig(); const now = frame / fps / (speed || 1); const k = Math.min(width / REF_W, height / REF_H); const ox = (width - REF_W * k) / 2; const oy = (height - REF_H * k) / 2; const s = gridScale(now, fps); // The cards live one zoom step closer than everything else — see GRID_ZOOM. const g = s * GRID_ZOOM; const blur = entryBlur(now, fps) * k; const late = lateBlur(now, fps) * k; const label = labelIn(now, fps); // Everything is laid out at scale 1 and then scaled about ORIGIN, so a cell's // place in the grid never depends on the zoom — only its size does. const at = (v: number, origin: number, scale = s) => (v - origin) * scale + origin; // `cellW`/`cellH` stay in reference px — they are only ever compared against // REF_W/REF_H to count how many cells reach the frame. const cellW = CELL.w * g; const cellH = CELL.h * g; // The card's size is drawn, so it needs `k` — the same reference→render scale // its own position already goes through. Without it the card was laid out in // reference px inside a cell laid out in render px: 0.42 of its cell on a // 1280-wide render instead of 0.95, which is every "the images are too small // and too far apart" note in one bug. const cardW = CARD.w * g * k; const cardH = CARD.h * g * k; // How many cells reach the frame at this scale, plus one so nothing pops in // at the edge. const cols = Math.ceil(REF_W / cellW / 2) + 2; const rows = Math.ceil(REF_H / cellH / 2) + 2; const cells: { col: number; row: number; x: number; y: number; o: number; i: number; src: string; }[] = []; for (let row = -rows; row <= rows; row++) { for (let col = -cols; col <= cols; col++) { const o = cellIn(ringOf(col, row), now, fps); if (o <= 0) continue; const cx = at(COL_EDGE + (col + 0.5) * CELL.w, ORIGIN.x, g) * k + ox; const cy = at(ROW_MID + row * CELL.h, ORIGIN.y, g) * k + oy; if (cx < -cardW || cx > width + cardW) continue; if (cy < -cardH || cy > height + cardH) continue; // A stable, well-mixed index: neighbours must not share a card or the // grid reads as wallpaper. // // `cards` alternates the two kinds, so its even slots are the ones with // pictures on them. The five that carry the whole first half of the shot // take only those; everything else takes the mix. Sharing one index put // three of the five on registry stills — 16:9 scenes of dark text on // white, cropped to 3:4 — and the hero moment was two blank cards and a // label. const mix = col * 7 + row * 13; // `col * 2 + row` is the one small combination that is injective over the // five seed cells modulo five — 7/13 sends (-1,-1) and (0,0) to the same // slot, and the two cards diagonally across the label came out identical. const seed = col * 2 + row; const i = ringOf(col, row) === 0 ? (2 * (((seed % SEED.length) + SEED.length) % SEED.length)) % cards.length : ((mix % cards.length) + cards.length) % cards.length; cells.push({ col, row, x: cx, y: cy, o, i, src: cards[i] ?? "" }); } } // The grid cycles `cards`, so one card is drawn many times. Studio outlines // the copy nearest the middle of the frame; the others are only pictures of // it. const nearest = new Map(); const off = (c: (typeof cells)[number]) => Math.hypot(c.x - width / 2, c.y - height / 2); for (const c of cells) { const held = nearest.get(c.i); if (!held || off(c) < off(held)) nearest.set(c.i, c); } const filled = now * fps >= FILL_AT; const pillH = LABEL.height * s * k; return ( {/* A directional blur: the motion is horizontal, and CSS `blur()` is round, so it softens the card's top and bottom edges — which are not moving — as much as its sides. */}

0.35 ? "url(#count-grid-smear)" : undefined, ...(getRemotionEnvironment().isRendering ? null : { willChange: "filter" as const }), }} > {cells.map((c) => (

0.35 && c.col === LATE_CARD[0] && c.row === LATE_CARD[1] ? "url(#count-grid-late)" : undefined, }} > {c.src ? (

) : null}

))}

{filled ? to : from} {noun}

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