mirror of
https://github.com/heygen-com/hyperframes.git
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This reverts commit 3b53bfd2f7.
This commit is contained in:
Miguel Ángel
-170
@@ -1,170 +0,0 @@
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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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