mirror of
https://github.com/heygen-com/hyperframes.git
synced 2026-09-01 19:42:03 +00:00
Miguel Ángel
d7688f9943
* fix(docs): load the player from latest, not a pinned minor The catalog pages pinned the player CDN URL to a minor line, and that pin sat one line behind after the last release. Every page kept rendering, on the older build, so nothing surfaced it: the only symptom was that a fix published to npm never appeared on the docs. The generator derived its pin from the player's package.json, which is correct only if every page is regenerated on the release that moves it. That is the step that did not happen, and it has to happen across 175 generated pages plus three hand-written files for the pin to be true. A version carried in step across 178 places will be stale, and stale here is silent. Ask for latest instead and there is nothing to carry. This costs the ability to hold the docs back from a bad player release. Paid deliberately: the pin did not buy that either, it only delayed the good releases too. A test asserts no pinned version comes back, and fails if it stops finding the references at all, so it cannot pass by matching nothing. * refactor(scripts): list tracked files instead of walking the tree The pin guard hand-rolled a recursive directory walk with its own skip list and size cap, which the audit flagged: helpers living in a test file earn no coverage, so their complexity lands straight on the CRAP score. git already knows which files to read, and ignores node_modules and build output for us, so one call replaces the walker and both findings go away.
398 lines
13 KiB
Plaintext
398 lines
13 KiB
Plaintext
---
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title: "Parallax Layers"
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description: "Behind-subject 3D text layering with vertical stretch effect"
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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="caption-parallax-layers 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@latest/dist/hyperframes-player.global.js"><\/script></head><body><script>fetch("/public/catalog/components/caption-parallax-layers.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/caption-parallax-layers.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 caption-parallax-layers" item="caption-parallax-layers" />
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That writes one file: `compositions/components/caption-parallax-layers.html`.
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## Source
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<Accordion title={`caption-parallax-layers.html`}>
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```html
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<!doctype html>
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<html lang="en">
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<head>
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<meta charset="UTF-8" />
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<meta name="viewport" content="width=1920, height=1080" />
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<title>Parallax Layers</title>
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<link rel="preconnect" href="https://fonts.googleapis.com" />
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<link rel="preconnect" href="https://fonts.gstatic.com" crossorigin />
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<link
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href="https://fonts.googleapis.com/css2?family=Instrument+Serif:ital@0;1&display=swap"
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rel="stylesheet"
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/>
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<script src="https://cdn.jsdelivr.net/npm/gsap@3.14.2/dist/gsap.min.js"></script>
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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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html,
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body {
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width: 1920px;
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height: 1080px;
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margin: 0;
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overflow: hidden;
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background: transparent;
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font-family: "Instrument Serif", serif;
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}
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#parallax-layers {
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pointer-events: none;
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position: relative;
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width: 1920px;
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height: 1080px;
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overflow: hidden;
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background: transparent;
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}
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/* Behind captions: big red 3D text */
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.behind-caption-layer {
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position: absolute;
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inset: 0;
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z-index: 10;
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pointer-events: none;
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transform: translateZ(0);
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}
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/* Front captions */
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.front-caption-layer {
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position: absolute;
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inset: 0;
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z-index: 30;
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pointer-events: none;
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transform: translateZ(0);
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}
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.behind-safe-zone {
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position: absolute;
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top: 40px;
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left: 0;
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width: 1920px;
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height: 500px;
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}
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.front-safe-zone {
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position: absolute;
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top: 700px;
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left: 0;
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width: 1920px;
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height: 300px;
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}
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.caption-block {
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position: absolute;
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left: 50%;
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top: 0;
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transform: translateX(-50%);
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opacity: 0;
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transform-origin: 50% 50%;
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will-change: transform, opacity;
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backface-visibility: hidden;
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}
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.caption-line {
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display: flex;
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align-items: baseline;
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justify-content: center;
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gap: 14px;
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line-height: 1.1;
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white-space: nowrap;
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}
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.caption-line--behind {
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transform: scaleY(2.8);
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transform-origin: 50% 0%;
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}
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.word {
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display: inline-block;
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will-change: transform, opacity;
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backface-visibility: hidden;
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}
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.word--behind {
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font-family: "Instrument Serif", serif;
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font-size: 220px;
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font-weight: 400;
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font-style: normal;
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line-height: 0.9;
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color: #e50914;
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-webkit-text-stroke: 5px #e50914;
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text-shadow: 2px 4px 4px #a30610;
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}
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.word--front-normal {
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font-family: "Instrument Serif", serif;
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font-size: 130px;
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font-weight: 400;
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font-style: normal;
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color: #eeeeee;
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text-shadow:
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0 2px 12px rgba(0, 0, 0, 0.6),
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0 4px 24px rgba(0, 0, 0, 0.35);
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}
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.word--front-italic {
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font-family: "Instrument Serif", serif;
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font-size: 130px;
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font-weight: 400;
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font-style: italic;
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color: #eeeeee;
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text-shadow:
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0 2px 12px rgba(0, 0, 0, 0.6),
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0 4px 24px rgba(0, 0, 0, 0.35);
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}
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</style>
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</head>
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<body>
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<div
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id="parallax-layers"
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data-composition-id="caption-parallax-layers"
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data-timeline-locked
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data-start="0"
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data-duration="8"
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data-fps="30"
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data-width="1920"
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data-height="1080"
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>
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<div class="behind-caption-layer" aria-hidden="true">
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<div id="behind-stage" class="behind-safe-zone"></div>
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</div>
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<div class="front-caption-layer" aria-hidden="true">
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<div id="front-stage" class="front-safe-zone"></div>
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</div>
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</div>
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<script>
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var DURATION = 8;
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var BEHIND_WIDTH = 1800;
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var FRONT_WIDTH = 1750;
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var ENTRY_DUR = 0.1;
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var SLIDE_DUR = 0.2;
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var _fitCanvas = document.createElement("canvas");
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var _fitCtx = _fitCanvas.getContext("2d");
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function fitFontSize(text, baseFontSize, fontWeight, fontFamily, maxWidth) {
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var size = baseFontSize;
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var minSize = Math.floor(baseFontSize * 0.45);
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while (size > minSize) {
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_fitCtx.font = fontWeight + " " + size + "px " + fontFamily;
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if (_fitCtx.measureText(text).width <= maxWidth) return size;
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size -= 2;
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}
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return minSize;
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}
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var W = [
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{ text: "Every", start: 0.0, end: 0.3 },
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{ text: "great", start: 0.3, end: 0.55 },
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{ text: "video", start: 0.55, end: 0.85 },
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{ text: "starts", start: 0.85, end: 1.1 },
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{ text: "with", start: 1.1, end: 1.25 },
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{ text: "a", start: 1.25, end: 1.35 },
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{ text: "single", start: 1.35, end: 1.65 },
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{ text: "frame.", start: 1.65, end: 2.0 },
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{ text: "HyperFrames", start: 2.1, end: 2.65 },
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{ text: "lets", start: 2.65, end: 2.85 },
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{ text: "you", start: 2.85, end: 2.95 },
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{ text: "write", start: 2.95, end: 3.15 },
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{ text: "HTML", start: 3.15, end: 3.55 },
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{ text: "and", start: 3.55, end: 3.65 },
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{ text: "render", start: 3.65, end: 3.95 },
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{ text: "professional", start: 3.95, end: 4.45 },
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{ text: "video.", start: 4.45, end: 4.8 },
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{ text: "No", start: 4.9, end: 5.05 },
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{ text: "timeline.", start: 5.05, end: 5.45 },
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{ text: "No", start: 5.5, end: 5.65 },
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{ text: "drag", start: 5.65, end: 5.85 },
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{ text: "and", start: 5.85, end: 5.95 },
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{ text: "drop.", start: 5.95, end: 6.25 },
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{ text: "Just", start: 6.35, end: 6.55 },
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{ text: "code", start: 6.55, end: 6.8 },
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{ text: "that", start: 6.8, end: 6.95 },
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{ text: "becomes", start: 6.95, end: 7.3 },
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{ text: "cinema.", start: 7.3, end: 7.7 },
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];
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// behind=red 3D emphasis words, front=normal white words
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var BLOCKS = [
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{ behind: null, front: [[0], [1], [2]] },
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{ behind: [[3]], front: [[4], [5]] },
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{ behind: [[6]], front: [[7]] },
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{ behind: [[8]], front: [[9], [10], [11]] },
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{ behind: [[12]], front: [[13], [14]] },
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{ behind: [[15]], front: [[16]] },
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{ behind: null, front: [[17], [18]] },
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{ behind: null, front: [[19], [20], [21], [22]] },
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{ behind: [[24]], front: [[23], [25], [26]] },
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{ behind: [[27]], front: null },
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];
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var behindStage = document.getElementById("behind-stage");
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var frontStage = document.getElementById("front-stage");
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BLOCKS.forEach(function (block, bi) {
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var bEl = document.createElement("div");
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bEl.className = "caption-block";
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bEl.id = "bb" + bi;
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if (block.behind) {
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var behindText = block.behind
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.map(function (wi_arr) {
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return W[wi_arr[0]].text;
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})
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.join(" ");
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var behindSize = fitFontSize(behindText, 220, "400", "Instrument Serif", BEHIND_WIDTH);
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var bLine = document.createElement("div");
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bLine.className = "caption-line caption-line--behind";
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block.behind.forEach(function (wi_arr, wi) {
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var span = document.createElement("span");
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span.className = "word word--behind";
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span.id = "bb" + bi + "w" + wi;
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span.textContent = W[wi_arr[0]].text;
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span.style.fontSize = behindSize + "px";
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bLine.appendChild(span);
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});
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bEl.appendChild(bLine);
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}
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behindStage.appendChild(bEl);
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var fEl = document.createElement("div");
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fEl.className = "caption-block";
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fEl.id = "fb" + bi;
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if (block.front) {
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var frontText = block.front
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.map(function (wi_arr) {
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return W[wi_arr[0]].text;
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})
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.join(" ");
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var frontSize = fitFontSize(frontText, 130, "400", "Instrument Serif", FRONT_WIDTH);
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var fLine = document.createElement("div");
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fLine.className = "caption-line";
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block.front.forEach(function (wi_arr, wi) {
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var span = document.createElement("span");
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var isItalic = wi_arr[0] === 7 || wi_arr[0] === 18; // frame., timeline.
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span.className = "word " + (isItalic ? "word--front-italic" : "word--front-normal");
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span.id = "fb" + bi + "w" + wi;
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span.textContent = W[wi_arr[0]].text;
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span.style.fontSize = frontSize + "px";
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fLine.appendChild(span);
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});
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fEl.appendChild(fLine);
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}
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frontStage.appendChild(fEl);
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});
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var allBehind = BLOCKS.map(function (_, i) {
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return document.getElementById("bb" + i);
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});
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var allFront = BLOCKS.map(function (_, i) {
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return document.getElementById("fb" + i);
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});
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function applyBehindScales() {
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BLOCKS.forEach(function (block, bi) {
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if (block.behind) {
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var line = allBehind[bi].querySelector(".caption-line");
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if (line) {
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var natW = line.scrollWidth;
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if (natW > 0) {
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var s = BEHIND_WIDTH / natW;
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line.style.transform = "scaleX(" + s + ") scaleY(2.8)";
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}
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}
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}
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});
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}
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applyBehindScales();
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window.__timelines = window.__timelines || {};
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var tl = gsap.timeline({ paused: true });
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function blockStart(bi) {
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var b = BLOCKS[bi];
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var firstIdx = b.behind ? b.behind[0][0] : b.front[0][0];
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return W[firstIdx].start;
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}
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BLOCKS.forEach(function (block, bi) {
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var start = blockStart(bi);
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var nextStart = bi < BLOCKS.length - 1 ? blockStart(bi + 1) : DURATION;
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var bEl = allBehind[bi];
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var fEl = allFront[bi];
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allBehind.forEach(function (other, oi) {
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if (oi !== bi) tl.set(other, { opacity: 0 }, start);
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});
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allFront.forEach(function (other, oi) {
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if (oi !== bi) tl.set(other, { opacity: 0 }, start);
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});
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if (block.behind) {
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tl.set(bEl, { opacity: 1 }, start);
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block.behind.forEach(function (wi_arr, wi) {
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var wordEl = document.getElementById("bb" + bi + "w" + wi);
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var wordStart = W[wi_arr[0]].start;
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tl.set(wordEl, { opacity: 0 }, start);
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tl.to(wordEl, { opacity: 1, duration: ENTRY_DUR, ease: "power2.out" }, wordStart);
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});
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}
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if (block.front) {
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tl.set(fEl, { opacity: 1 }, start);
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block.front.forEach(function (wi_arr, wi) {
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var wordEl = document.getElementById("fb" + bi + "w" + wi);
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var wordStart = W[wi_arr[0]].start;
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tl.set(wordEl, { opacity: 0 }, start);
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tl.set(wordEl, { opacity: 1 }, wordStart);
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});
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}
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tl.set(bEl, { opacity: 0 }, nextStart);
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tl.set(fEl, { opacity: 0 }, nextStart);
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});
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tl.to({}, { duration: DURATION }, 0);
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window.__timelines["caption-parallax-layers"] = tl;
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document.fonts.ready.then(function () {
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applyBehindScales();
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});
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</script>
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</body>
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</html>
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```
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</Accordion>
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## Usage
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Open `compositions/components/caption-parallax-layers.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 `captions` `caption-style` `parallax` `3d` `depth`.
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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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