mirror of
https://github.com/heygen-com/hyperframes.git
synced 2026-09-08 10:46:06 +00:00
Miguel Ángel
9734578e60
Restores the 208 catalog items reverted after their previews 404'd in production, this time on the payload mechanism rather than the .html files that caused the outage. The generator no longer writes a preview document to docs/public. That writer, and the machinery under it, existed only to produce files the docs host discards, so it is gone rather than bypassed. Items now embed the composition itself via a payload, which is what the previous change already does for the items that were already in the catalog. The variables explorer is parked, not restored: it drove its preview through the same unpublished .html path, so it would have shown an empty frame. Items that declare variables get the live player plus the static variables table, and reconnecting the explorer to payloads is a follow-up.
118 lines
3.6 KiB
Plaintext
118 lines
3.6 KiB
Plaintext
---
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title: "Grain Overlay"
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description: "Animated film grain texture overlay using CSS keyframes — adds warmth and analog character to any composition"
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---
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import { InstallCommand } from "/snippets/install-command.jsx";
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<iframe
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className="w-full aspect-video rounded-xl border-0 bg-zinc-100 dark:bg-zinc-800"
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title="grain-overlay preview"
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loading="lazy"
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srcDoc={`<!doctype html><html><head><meta charset="utf-8"><style>html,body{margin:0;height:100%;overflow:hidden;background:transparent}hyperframes-player{display:block;width:100%;height:100%}</style><script src="https://cdn.jsdelivr.net/npm/@hyperframes/player@0.7/dist/hyperframes-player.global.js"><\/script></head><body><script>fetch("/public/catalog/components/grain-overlay.json").then(function(r){return r.json()}).then(function(d){var p=document.createElement("hyperframes-player");p.setAttribute("srcdoc",d.html);p.setAttribute("controls","");p.setAttribute("autoplay","");p.setAttribute("loop","");p.setAttribute("muted","");p.setAttribute("poster","https://static.heygen.ai/hyperframes-oss/docs/images/catalog/components/grain-overlay.png");document.body.appendChild(p)});<\/script></body></html>`}
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/>
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## Install
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<InstallCommand command="npx hyperframes add grain-overlay" />
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That writes one file: `compositions/components/grain-overlay.html`.
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## Source
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<Accordion title={`grain-overlay.html`}>
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```html
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<!--
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Grain Overlay — animated film grain texture.
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Usage: paste this snippet into your composition's HTML.
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The overlay covers the full viewport with pointer-events: none
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so it sits on top of all content without blocking interaction.
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Customize:
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- opacity: adjust .grain-texture opacity (default 0.15)
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- speed: change animation duration (default 0.5s)
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- texture: swap the background URL for a different pattern
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- z-index: adjust #grain-overlay z-index to layer correctly
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-->
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<div
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id="grain-overlay"
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style="
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position: absolute;
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top: 0;
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left: 0;
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width: 100%;
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height: 100%;
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pointer-events: none;
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z-index: 100;
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"
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>
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<div class="grain-texture"></div>
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</div>
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<style>
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@keyframes hf-grain-noise {
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0%,
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100% {
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transform: translate(0, 0);
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}
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10% {
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transform: translate(-5%, -5%);
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}
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20% {
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transform: translate(-10%, 5%);
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}
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30% {
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transform: translate(5%, -10%);
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}
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40% {
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transform: translate(-5%, 15%);
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}
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50% {
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transform: translate(-10%, 5%);
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}
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60% {
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transform: translate(15%, 0);
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}
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70% {
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transform: translate(0, 10%);
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}
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80% {
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transform: translate(-15%, 0);
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}
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90% {
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transform: translate(10%, 5%);
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}
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}
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#grain-overlay .grain-texture {
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position: absolute;
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top: -50%;
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left: -50%;
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width: 200%;
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height: 200%;
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background: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.65' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");
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opacity: 0.15;
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animation: hf-grain-noise 0.5s steps(1) infinite;
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}
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</style>
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```
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</Accordion>
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## Usage
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Open `compositions/components/grain-overlay.html` and paste its contents into your composition. See the comment header in the file for detailed instructions.
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{/* hf:generated-footer */}
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Tagged `texture` `grain` `overlay` `film`.
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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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