mirror of
https://github.com/heygen-com/hyperframes.git
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miga-heygenandMiguel Ángel
7b5fdb1ad2
The generated catalog pages rendered the "Source" accordion title as a
JSX expression, `<Accordion title={`name.html`}>`. Mintlify's search
indexer stringifies expression attribute nodes rather than evaluating
them, so every one of the 399 catalog pages surfaced its Source section
in search results as "[object Object]" (visible on the Scroll Feed page,
among others).
The template literal carried no escaping benefit: every title is a
single-segment `name.html` path, and a double-quoted JSX string handles
it directly. Introduce `mdxStringAttribute`, which emits a plain
`name="value"` attribute and escapes `& " < { }` as HTML character
references (MDX decodes references inside quoted attribute values, and
unlike JSON.stringify it does not rely on backslash escapes, which JSX
strings do not honour). Use it for both the Source accordion title and
the preview iframe title, and regenerate the catalog pages.
Regenerated with `npx tsx scripts/generate-catalog-pages.ts`; the only
change across the 399 pages is the one Accordion title line each.
Co-authored-by: Miguel Ángel <miguel.sierra@heygen.com>
413 lines
14 KiB
Plaintext
413 lines
14 KiB
Plaintext
---
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title: "Grain Field"
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description: "A clearly visible accent-tinted dot field drifts over a subtle luminance gradient in an exact ambient loop."
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---
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import { InstallCommand } from "/snippets/install-command.jsx";
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import { VariablesExplorer } from "/snippets/variables-explorer.jsx";
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## Install
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<InstallCommand command="npx hyperframes add grain-field" item="grain-field" />
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That writes one file: `compositions/components/grain-field.html`.
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<VariablesExplorer
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previewSrc="/public/catalog/components/grain-field.json"
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compositionId="grain-field"
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compositionSrc="compositions/components/grain-field.html"
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variables={[{"id":"density","type":"enum","role":"style","label":"Density","description":"Dot size and spacing across the grain field.","default":"fine","options":[{"value":"fine","label":"Fine"},{"value":"coarse","label":"Coarse"}]},{"id":"accent","type":"enum","role":"style","label":"Accent","description":"Accent token family used to color the dots and luminance wash.","default":"green","options":[{"value":"green","label":"Green"},{"value":"blue","label":"Blue"},{"value":"violet","label":"Violet"}]}]}
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>
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```html grain-field.html
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<!doctype html>
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<!--
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grain-field: HyperFrames video primitive (backgrounds / ambient)
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Concept: a fixed repeated dot field drifts slowly across a deep,
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accent-tinted luminance wash. The dots stay intentionally legible at
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gallery-card size so the texture reads as a designed surface.
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Variables:
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- density (fine | coarse, default fine): controls dot size and spacing.
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- accent (green | blue | violet, default green): colors the dots and wash.
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Envelope: IN = 0, HOLD = the full elastic duration, OUT = 0. A longer mount
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stretches only the ambient drift cycle.
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Loop invariant: the phase completes one full sine cycle during HOLD. The
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endpoint is normalized to phase zero before rendering, so t=0 and
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t=duration have exactly the same transform.
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Sound: none.
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Mount contract: the runtime clones only this template. #root fills the host
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box, establishes the container query basis, has no data-width or data-height,
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and registers one paused timeline under the hardcoded grain-field id.
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-->
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<html
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lang="en"
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data-composition-id="grain-field"
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data-composition-duration="4"
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data-composition-variables='[
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{ "id": "density", "type": "enum", "role": "style", "label": "Density", "description": "Dot size and spacing across the grain field.", "default": "fine", "options": [{ "value": "fine", "label": "Fine" }, { "value": "coarse", "label": "Coarse" }] },
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{ "id": "accent", "type": "enum", "role": "style", "label": "Accent", "description": "Accent token family used to color the dots and luminance wash.", "default": "green", "options": [{ "value": "green", "label": "Green" }, { "value": "blue", "label": "Blue" }, { "value": "violet", "label": "Violet" }] }
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]'
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>
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<head>
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<meta charset="UTF-8" />
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<title>Grain Field</title>
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</head>
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<body>
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<template>
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<div id="root" data-composition-id="grain-field" data-duration="4" data-fps="30">
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<style>
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*,
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*::before,
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*::after {
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box-sizing: border-box;
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}
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#root {
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position: absolute;
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inset: 0;
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overflow: hidden;
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container-type: size;
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isolation: isolate;
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pointer-events: none;
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}
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.gf-clip,
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.gf-base,
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.gf-field {
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position: absolute;
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}
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.gf-clip,
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.gf-base {
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inset: 0;
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}
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.gf-clip {
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overflow: hidden;
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}
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.gf-base {
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background:
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radial-gradient(
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ellipse at 28% 20%,
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color-mix(in srgb, var(--gf-color) 18%, transparent) 0%,
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transparent 56%
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),
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linear-gradient(
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145deg,
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color-mix(in srgb, var(--gf-base) 90%, var(--gf-color)) 0%,
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var(--gf-base) 72%
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);
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}
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.gf-field {
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inset: -8cqw;
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background-image: radial-gradient(
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circle,
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color-mix(in srgb, var(--gf-color) 70%, white) 0 var(--gf-dot),
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transparent calc(var(--gf-dot) + 0.12cqmin)
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);
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background-position: 0 0;
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background-size: var(--gf-cell) var(--gf-cell);
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opacity: 0.82;
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will-change: transform;
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}
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</style>
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<div
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id="grain-field-clip"
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class="gf-clip clip"
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data-start="0"
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data-duration="4"
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data-track-index="0"
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>
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<div class="gf-base"></div>
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<div class="gf-field"></div>
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</div>
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<script src="https://cdn.jsdelivr.net/npm/gsap@3.14.2/dist/gsap.min.js"></script>
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<script>
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(function () {
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"use strict";
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var root = document.getElementById("root");
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var field = root.querySelector(".gf-field");
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var vars =
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window.__hyperframes && window.__hyperframes.getVariables
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? window.__hyperframes.getVariables()
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: {};
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// Invalid enum overrides return to their declared defaults.
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var accentTokens = {
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green: "var(--brand, #34d399)",
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blue: "var(--accent, #38bdf8)",
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violet: "var(--accent-2, #a78bfa)",
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};
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var densityStyles = {
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fine: { cell: "3.2cqmin", dot: "0.48cqmin" },
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coarse: { cell: "5.8cqmin", dot: "0.86cqmin" },
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};
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var accent = Object.prototype.hasOwnProperty.call(accentTokens, vars.accent)
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? vars.accent
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: "green";
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var density = vars.density === "coarse" ? "coarse" : "fine";
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root.style.setProperty("--gf-color", accentTokens[accent]);
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root.style.setProperty("--gf-base", "var(--bg, #080a10)");
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root.style.setProperty("--gf-cell", densityStyles[density].cell);
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root.style.setProperty("--gf-dot", densityStyles[density].dot);
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var TAU = Math.PI * 2;
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var duration = Math.max(0.001, parseFloat(root.dataset.duration || "4"));
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var state = { phase: 0 };
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function renderPose() {
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var phase = state.phase === TAU ? 0 : state.phase;
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var drift = Math.sin(phase);
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gsap.set(field, { x: drift * 2.8 + "cqw", y: drift * 2.2 + "cqh" });
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}
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var tl = gsap.timeline({ paused: true });
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// HOLD: uniform phase travel becomes a smooth sine drift. One full
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// cycle restores the exact starting pose at the duration boundary.
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tl.to(state, { phase: TAU, duration: duration, ease: "none", onUpdate: renderPose }, 0);
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renderPose();
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tl.seek(0);
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window.__timelines = window.__timelines || {};
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window.__timelines["grain-field"] = tl;
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})();
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</script>
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</div>
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</template>
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</body>
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</html>
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```
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</VariablesExplorer>
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## Paste it into your composition
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Open `compositions/components/grain-field.html` and copy what is inside into your own composition.
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A component has no size or duration of its own. It takes both from the composition
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you paste it into.
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## Variables
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Every one of these has a default, so the piece works untouched. Set the ones you
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want to change on the element:
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| Variable | Default | Accepts | What it does |
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| --- | --- | --- | --- |
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| `density` | `fine` | `fine`, `coarse` | Dot size and spacing across the grain field. |
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| `accent` | `green` | `green`, `blue`, `violet` | Accent token family used to color the dots and luminance wash. |
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Set them with `data-variable-values` on the element that mounts it. These are the
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defaults, so this behaves exactly like the preview above until you change one:
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```html wrap
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<div
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data-composition-id="grain-field"
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data-composition-src="compositions/components/grain-field.html"
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data-variable-values='{"density":"fine","accent":"green"}'
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></div>
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```
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## Source
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<Accordion title="grain-field.html">
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```html
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<!doctype html>
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<!--
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grain-field: HyperFrames video primitive (backgrounds / ambient)
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|
|
Concept: a fixed repeated dot field drifts slowly across a deep,
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accent-tinted luminance wash. The dots stay intentionally legible at
|
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gallery-card size so the texture reads as a designed surface.
|
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|
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Variables:
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- density (fine | coarse, default fine): controls dot size and spacing.
|
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- accent (green | blue | violet, default green): colors the dots and wash.
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|
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Envelope: IN = 0, HOLD = the full elastic duration, OUT = 0. A longer mount
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stretches only the ambient drift cycle.
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|
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Loop invariant: the phase completes one full sine cycle during HOLD. The
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endpoint is normalized to phase zero before rendering, so t=0 and
|
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t=duration have exactly the same transform.
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|
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Sound: none.
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|
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Mount contract: the runtime clones only this template. #root fills the host
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box, establishes the container query basis, has no data-width or data-height,
|
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and registers one paused timeline under the hardcoded grain-field id.
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-->
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<html
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lang="en"
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data-composition-id="grain-field"
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data-composition-duration="4"
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data-composition-variables='[
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{ "id": "density", "type": "enum", "role": "style", "label": "Density", "description": "Dot size and spacing across the grain field.", "default": "fine", "options": [{ "value": "fine", "label": "Fine" }, { "value": "coarse", "label": "Coarse" }] },
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{ "id": "accent", "type": "enum", "role": "style", "label": "Accent", "description": "Accent token family used to color the dots and luminance wash.", "default": "green", "options": [{ "value": "green", "label": "Green" }, { "value": "blue", "label": "Blue" }, { "value": "violet", "label": "Violet" }] }
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]'
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>
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<head>
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<meta charset="UTF-8" />
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<title>Grain Field</title>
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</head>
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<body>
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<template>
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<div id="root" data-composition-id="grain-field" data-duration="4" data-fps="30">
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<style>
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*,
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*::before,
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*::after {
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box-sizing: border-box;
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}
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#root {
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position: absolute;
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inset: 0;
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overflow: hidden;
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container-type: size;
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isolation: isolate;
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pointer-events: none;
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}
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.gf-clip,
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.gf-base,
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.gf-field {
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position: absolute;
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}
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.gf-clip,
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.gf-base {
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inset: 0;
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}
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.gf-clip {
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overflow: hidden;
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}
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.gf-base {
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background:
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radial-gradient(
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ellipse at 28% 20%,
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color-mix(in srgb, var(--gf-color) 18%, transparent) 0%,
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transparent 56%
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),
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linear-gradient(
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145deg,
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color-mix(in srgb, var(--gf-base) 90%, var(--gf-color)) 0%,
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var(--gf-base) 72%
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);
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}
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.gf-field {
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inset: -8cqw;
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background-image: radial-gradient(
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circle,
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color-mix(in srgb, var(--gf-color) 70%, white) 0 var(--gf-dot),
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transparent calc(var(--gf-dot) + 0.12cqmin)
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);
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background-position: 0 0;
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background-size: var(--gf-cell) var(--gf-cell);
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opacity: 0.82;
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will-change: transform;
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}
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</style>
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<div
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id="grain-field-clip"
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class="gf-clip clip"
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data-start="0"
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data-duration="4"
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data-track-index="0"
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>
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<div class="gf-base"></div>
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<div class="gf-field"></div>
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</div>
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<script src="https://cdn.jsdelivr.net/npm/gsap@3.14.2/dist/gsap.min.js"></script>
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<script>
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(function () {
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"use strict";
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var root = document.getElementById("root");
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var field = root.querySelector(".gf-field");
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var vars =
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window.__hyperframes && window.__hyperframes.getVariables
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? window.__hyperframes.getVariables()
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: {};
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// Invalid enum overrides return to their declared defaults.
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var accentTokens = {
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green: "var(--brand, #34d399)",
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blue: "var(--accent, #38bdf8)",
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violet: "var(--accent-2, #a78bfa)",
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};
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var densityStyles = {
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fine: { cell: "3.2cqmin", dot: "0.48cqmin" },
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coarse: { cell: "5.8cqmin", dot: "0.86cqmin" },
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};
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var accent = Object.prototype.hasOwnProperty.call(accentTokens, vars.accent)
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? vars.accent
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: "green";
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var density = vars.density === "coarse" ? "coarse" : "fine";
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root.style.setProperty("--gf-color", accentTokens[accent]);
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root.style.setProperty("--gf-base", "var(--bg, #080a10)");
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root.style.setProperty("--gf-cell", densityStyles[density].cell);
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root.style.setProperty("--gf-dot", densityStyles[density].dot);
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var TAU = Math.PI * 2;
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var duration = Math.max(0.001, parseFloat(root.dataset.duration || "4"));
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var state = { phase: 0 };
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function renderPose() {
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var phase = state.phase === TAU ? 0 : state.phase;
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var drift = Math.sin(phase);
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gsap.set(field, { x: drift * 2.8 + "cqw", y: drift * 2.2 + "cqh" });
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}
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var tl = gsap.timeline({ paused: true });
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// HOLD: uniform phase travel becomes a smooth sine drift. One full
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// cycle restores the exact starting pose at the duration boundary.
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tl.to(state, { phase: TAU, duration: duration, ease: "none", onUpdate: renderPose }, 0);
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renderPose();
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tl.seek(0);
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window.__timelines = window.__timelines || {};
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window.__timelines["grain-field"] = tl;
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})();
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</script>
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</div>
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</template>
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</body>
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</html>
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```
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</Accordion>
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{/* hf:generated-footer */}
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Tagged `motion-primitive` `background` `grain` `dots` `texture` `ambient` `loopable`.
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## Related topics
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- [Browse the complete Catalog](/catalog)
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- [Add assets and Catalog items in Studio](/studio/assets-and-blocks)
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- [Build a richer composition](/go-further)
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