mirror of
https://github.com/heygen-com/hyperframes.git
synced 2026-09-04 07:19:52 +00:00
Miguel Ángel
c8e8fdcf6d
The deterministic font system now supplements its embedded font bundle with Google Fonts fetches for any weights not in the pre-bundled set. This fixes compositions that request font weights (e.g. Montserrat 300) not included in the CANONICAL_FONTS faces array — previously those weights were silently dropped, causing invisible text in renders. Also replaces caption-glitch-rgb and caption-weight-shift with improved versions from avatar preview compositions, adapted to 1920x1080 with standard demo transcript.
345 lines
11 KiB
HTML
Vendored
345 lines
11 KiB
HTML
Vendored
<!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>Glitch RGB</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=Space+Grotesk:wght@700&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: #0a0a0a;
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}
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#caption-glitch-rgb {
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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: #0a0a0a;
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}
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#gl-video {
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position: absolute;
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inset: 0;
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z-index: 0;
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width: 100%;
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height: 100%;
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object-fit: cover;
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}
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.gl-overlay {
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position: absolute;
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inset: 0;
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z-index: 1;
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background: linear-gradient(
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to bottom,
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rgba(0, 0, 0, 0.08) 0%,
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rgba(0, 0, 0, 0.16) 54%,
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rgba(0, 0, 0, 0.5) 100%
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);
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pointer-events: none;
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}
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.gl-scanlines {
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position: absolute;
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inset: 0;
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z-index: 5;
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pointer-events: none;
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background: repeating-linear-gradient(
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to bottom,
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transparent 0px,
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transparent 3px,
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rgba(0, 0, 0, 0.16) 3px,
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rgba(0, 0, 0, 0.16) 4px
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);
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opacity: 0.55;
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}
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#gl-container {
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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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}
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.gl-group {
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position: absolute;
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bottom: 120px;
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left: 0;
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width: 100%;
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display: flex;
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flex-wrap: wrap;
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align-items: flex-end;
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justify-content: center;
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gap: 14px;
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padding: 0 100px;
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opacity: 0;
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visibility: hidden;
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}
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.gl-word {
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font-family: "Space Grotesk", sans-serif;
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font-weight: 700;
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font-size: 88px;
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text-transform: uppercase;
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color: #ffffff;
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display: inline-block;
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letter-spacing: 0.03em;
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line-height: 0.96;
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text-shadow: 0 5px 18px rgba(0, 0, 0, 0.52);
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will-change: transform, text-shadow;
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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="caption-glitch-rgb"
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data-composition-id="caption-glitch-rgb"
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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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<video
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id="gl-video"
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muted
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playsinline
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data-start="0"
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data-duration="8"
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data-track-index="0"
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data-has-audio="false"
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></video>
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<div class="gl-overlay"></div>
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<div class="gl-scanlines"></div>
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<div id="gl-container"></div>
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</div>
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<script>
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(function () {
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window.__timelines = window.__timelines || {};
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var TRANSCRIPT = [
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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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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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function mulberry32(seed) {
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return function () {
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seed |= 0;
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seed = (seed + 0x6d2b79f5) | 0;
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var t = Math.imul(seed ^ (seed >>> 15), 1 | seed);
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t = (t + Math.imul(t ^ (t >>> 7), 61 | t)) ^ t;
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return ((t ^ (t >>> 14)) >>> 0) / 4294967296;
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};
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}
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function buildGroups(words) {
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var groups = [];
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var start = 0;
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var chars = 0;
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for (var i = 0; i < words.length; i++) {
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chars += words[i].text.length + 1;
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var endsSentence = /[.!?]$/.test(words[i].text);
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var nextGap = i + 1 < words.length ? words[i + 1].start - words[i].end : 0;
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var full = i - start >= 3 || chars >= 21;
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if (endsSentence || nextGap > 0.28 || full || i === words.length - 1) {
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groups.push([start, i]);
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start = i + 1;
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chars = 0;
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}
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}
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return groups;
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}
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function glitchPlan(word, nextWord) {
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var nextStart = nextWord ? nextWord.start : word.end + 0.3;
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var available = Math.min(word.end, nextStart) - word.start - 0.02;
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var total = Math.min(0.24, Math.max(0.08, available));
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return {
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d1: total * 0.35,
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d2: total * 0.65,
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};
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}
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function shouldAftershock(word) {
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return /\d|\$|%/.test(word.text) || word.text.replace(/[^\w]/g, "").length >= 7;
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}
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var RAW_GROUPS = buildGroups(TRANSCRIPT);
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var GROUPS = RAW_GROUPS.map(function (pair, gi) {
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var ws = pair[0];
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var we = pair[1];
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var nextStart =
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gi + 1 < RAW_GROUPS.length ? TRANSCRIPT[RAW_GROUPS[gi + 1][0]].start : 8.0;
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var end = Math.min(TRANSCRIPT[we].end + 0.24, nextStart - 0.04);
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return { wordStart: ws, wordEnd: we, start: TRANSCRIPT[ws].start, end: end };
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});
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var BASE_FONT = 88;
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var container = document.getElementById("gl-container");
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var tl = gsap.timeline({ paused: true });
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GROUPS.forEach(function (g, gi) {
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var groupWords = TRANSCRIPT.slice(g.wordStart, g.wordEnd + 1);
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var grp = document.createElement("div");
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grp.className = "gl-group";
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grp.id = "gl-grp-" + gi;
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var groupText = groupWords
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.map(function (w) {
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return w.text.toUpperCase();
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})
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.join(" ");
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var computedSize = fitFontSize(groupText, BASE_FONT, "700", "Space Grotesk", 1720);
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groupWords.forEach(function (w, i) {
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var wi = g.wordStart + i;
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var span = document.createElement("span");
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span.className = "gl-word";
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span.id = "gl-w-" + wi;
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span.textContent = w.text.toUpperCase();
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span.style.fontSize = computedSize + "px";
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grp.appendChild(span);
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});
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container.appendChild(grp);
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tl.set(grp, { visibility: "visible" }, g.start);
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tl.fromTo(
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grp,
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{ opacity: 0 },
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{ opacity: 1, duration: 0.12, ease: "power2.out" },
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g.start,
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);
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groupWords.forEach(function (w, i) {
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var wi = g.wordStart + i;
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var wordEl = document.getElementById("gl-w-" + wi);
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var plan = glitchPlan(w, TRANSCRIPT[wi + 1]);
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var rng = mulberry32(wi * 777 + 13);
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var travel = -(8 + rng() * 8);
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var shadowMag = 5 + rng() * 7;
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var sm = shadowMag.toFixed(1);
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var nextWord = TRANSCRIPT[wi + 1];
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var nextStart = nextWord ? nextWord.start : g.end;
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var aftershockEnd = Math.min(g.end - 0.08, nextStart - 0.04);
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tl.to(
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wordEl,
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{
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x: travel,
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textShadow:
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sm + "px 0 #ff003c, -" + sm + "px 0 #00e5ff, 0 5px 18px rgba(0,0,0,0.52)",
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duration: plan.d1,
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ease: "none",
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},
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w.start,
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);
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tl.to(
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wordEl,
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{
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x: 0,
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textShadow: "0 5px 18px rgba(0,0,0,0.52)",
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duration: plan.d2,
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ease: "power3.out",
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},
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w.start + plan.d1,
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);
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if (shouldAftershock(w) && aftershockEnd - w.end > 0.22) {
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var pulseStart = w.end + 0.08;
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var pulseIndex = 0;
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while (pulseStart + 0.1 < aftershockEnd) {
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var pulseTravel = -(3 + rng() * 5);
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var pulseShadow = (3 + rng() * 5).toFixed(1);
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tl.to(
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wordEl,
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{
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x: pulseTravel,
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textShadow:
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pulseShadow +
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"px 0 #ff003c, -" +
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pulseShadow +
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"px 0 #00e5ff, 0 5px 18px rgba(0,0,0,0.52)",
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duration: 0.045,
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ease: "none",
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},
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pulseStart,
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);
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tl.to(
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wordEl,
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{
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x: 0,
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textShadow: "0 5px 18px rgba(0,0,0,0.52)",
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duration: 0.075,
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ease: "power3.out",
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},
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pulseStart + 0.045,
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);
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pulseIndex++;
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pulseStart += pulseIndex % 2 === 0 ? 0.18 : 0.24;
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}
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}
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});
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tl.to(grp, { opacity: 0, duration: 0.1, ease: "power2.in" }, g.end - 0.1);
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tl.set(grp, { opacity: 0, visibility: "hidden" }, g.end);
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});
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tl.seek(0);
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window.__timelines["caption-glitch-rgb"] = tl;
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})();
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</script>
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</body>
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</html>
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