mirror of
https://github.com/heygen-com/hyperframes.git
synced 2026-09-07 01:56:04 +00:00
This reverts commit 3b53bfd2f7.
This commit is contained in:
Miguel Ángel
@@ -1,289 +0,0 @@
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<!doctype html>
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<!--
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scramble-reveal: HyperFrames video primitive (text effects / reveal)
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A target string begins as deterministic wrong glyphs, then resolves one
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character at a time from left to right. Every visible frame comes from one
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fixed-seed LCG table built before the timeline is registered.
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Variables:
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- text (string, default "HYPERFRAMES"): the target string.
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- accent (green | blue | violet, default "green"): text and frame color.
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- style (terminal | clean, default "terminal"): optional terminal frame.
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- exit (none | fade | up, default "none"): optional departure.
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Envelope, fixed IN and OUT with elastic HOLD only:
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IN_BASE = 1.65s, curved arrival and the complete left-to-right lock
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HOLD = max(0, D - IN - OUT), subtle drift followed by 0.30s stillness
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OUT_BASE = 0.45s departure when exit is fade or up, 0s when exit is
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none (the default: the locked string holds until the cut)
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If D is shorter than IN_BASE + OUT_BASE, IN and OUT compress together.
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The timeline is never time-scaled.
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Determinism: frameTable is computed exactly once during synchronous
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timeline construction from fixed LCG seed 0x27c0ffee. Timeline sets only
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read authored rows from that table, so repeated or reverse seeks produce
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the same string for the same time.
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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 literal scramble-reveal key.
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-->
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<html
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lang="en"
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data-composition-id="scramble-reveal"
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data-composition-duration="3"
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data-composition-variables='[
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{ "id": "text", "type": "string", "role": "content", "label": "Text", "description": "Target string that resolves from deterministic wrong glyphs.", "default": "HYPERFRAMES" },
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{ "id": "accent", "type": "enum", "role": "style", "label": "Accent", "description": "Color used by the text, prefix, and optional terminal frame.", "default": "green", "options": [{ "value": "green", "label": "Green" }, { "value": "blue", "label": "Blue" }, { "value": "violet", "label": "Violet" }] },
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{ "id": "style", "type": "enum", "role": "style", "label": "Style", "description": "Terminal frame or clean text-only presentation.", "default": "terminal", "options": [{ "value": "terminal", "label": "Terminal" }, { "value": "clean", "label": "Clean" }] },
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{ "id": "exit", "type": "enum", "role": "timing", "label": "Exit", "description": "Optional departure. Default none: the locked string holds until the frame cuts.", "default": "none", "options": [{ "value": "none", "label": "None" }, { "value": "fade", "label": "Fade" }, { "value": "up", "label": "Up" }] }
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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>Scramble Reveal</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="scramble-reveal" data-duration="3" 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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color: var(--fg, #f8fafc);
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font-family: var(--font-mono, ui-monospace, "SF Mono", Menlo, Consolas, monospace);
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pointer-events: none;
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}
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.sr-clip {
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position: absolute;
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inset: 0;
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display: grid;
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place-items: center;
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overflow: hidden;
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background: var(--bg, transparent);
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}
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.sr-stage {
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display: block;
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width: 88cqw;
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max-width: 88cqw;
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will-change: transform, opacity;
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}
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.sr-shell {
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display: flex;
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align-items: center;
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justify-content: center;
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width: 100%;
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min-height: 34cqh;
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padding: var(--space-3, 5cqh) var(--space-3, 5cqw);
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overflow: hidden;
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border: 0.16cqmin solid color-mix(in srgb, var(--sr-accent) 58%, var(--border, #475569));
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border-radius: var(--radius, 2.4cqmin);
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background: color-mix(in srgb, var(--surface, #0b1016) 92%, var(--sr-accent));
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box-shadow:
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0 3.5cqh 10cqh color-mix(in srgb, var(--bg, #000000) 42%, transparent),
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inset 0 0 4cqh color-mix(in srgb, var(--sr-accent) 7%, transparent);
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}
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.sr-prefix {
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flex: 0 0 auto;
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margin-right: var(--space-1, 1.8cqw);
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color: color-mix(in srgb, var(--sr-accent) 78%, var(--fg, #ffffff));
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font-size: calc(var(--sr-font-size) * 0.74);
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font-weight: 700;
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line-height: 1;
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opacity: 0.78;
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}
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.sr-text {
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display: block;
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min-width: 0;
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overflow: hidden;
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color: var(--sr-accent);
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font-size: var(--sr-font-size);
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font-weight: 780;
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line-height: 1;
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letter-spacing: 0.055em;
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text-align: center;
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text-shadow: 0 0 2.8cqh color-mix(in srgb, var(--sr-accent) 34%, transparent);
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white-space: pre;
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}
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.sr-stage.sr-clean .sr-shell {
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min-height: 26cqh;
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padding: var(--space-2, 3cqh) var(--space-2, 2cqw);
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border-color: transparent;
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background: transparent;
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box-shadow: none;
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}
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.sr-stage.sr-clean .sr-prefix {
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display: none;
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}
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</style>
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<div
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id="scramble-reveal-clip"
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class="sr-clip clip"
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data-start="0"
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data-duration="3"
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data-track-index="0"
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>
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<div class="sr-stage" role="img">
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<div class="sr-shell">
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<span class="sr-prefix" aria-hidden="true">>_</span>
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<span class="sr-text" aria-hidden="true"></span>
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</div>
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</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 stage = root.querySelector(".sr-stage");
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var textElement = root.querySelector(".sr-text");
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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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var text = vars.text == null ? "HYPERFRAMES" : String(vars.text);
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// Each enum choice routes to a DIFFERENT contract token so the
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// variable stays meaningful under a theme (green/blue/violet must
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// not collapse into one themed accent).
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var accentColors = {
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green: "var(--brand, #71f5a7)",
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blue: "var(--accent, #61a8ff)",
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violet: "var(--accent-2, #c5a3ff)",
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};
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var accent = Object.prototype.hasOwnProperty.call(accentColors, vars.accent)
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? vars.accent
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: "green";
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var style = vars.style === "clean" ? "clean" : "terminal";
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var exit = vars.exit === "fade" || vars.exit === "up" ? vars.exit : "none";
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root.style.setProperty("--sr-accent", accentColors[accent]);
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stage.classList.toggle("sr-clean", style === "clean");
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stage.setAttribute("aria-label", text);
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var characters = Array.from(text);
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var fittedCqw = Math.min(11, 118 / Math.max(1, characters.length));
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root.style.setProperty("--sr-font-size", "min(" + fittedCqw.toFixed(3) + "cqw, 24cqh)");
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var IN_BASE = 1.65;
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var OUT_BASE = exit === "none" ? 0 : 0.45;
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var ARRIVAL_BASE = 0.42;
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var LOCK_TAIL_BASE = 0.15;
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var STILLNESS = 0.3;
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var FPS = 30;
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var duration = Math.max(0.001, parseFloat(root.dataset.duration || "3"));
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var totalBase = Math.max(0.001, IN_BASE + OUT_BASE);
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var scale = duration < totalBase ? duration / totalBase : 1;
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var IN = IN_BASE * scale;
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var OUT = OUT_BASE * scale;
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var ARRIVAL = ARRIVAL_BASE * scale;
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var LOCK_TAIL = LOCK_TAIL_BASE * scale;
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var HOLD = Math.max(0, duration - (IN + OUT));
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var HOLD_START = IN;
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var OUT_START = IN + HOLD;
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var REVEAL_DURATION = Math.max(0, IN - LOCK_TAIL);
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var lastFrame = Math.max(1, Math.round(REVEAL_DURATION * FPS));
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// The LCG and all character-state decisions live here. This IIFE
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// runs once before timeline construction, then only frameTable is
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// read. Lock frames are monotonic by character index, so the final
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// target resolves strictly from left to right.
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var frameTable = (function () {
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var glyphs = "ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789#$%&*+?<>";
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var state = 0x27c0ffee;
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var firstLockFrame = Math.min(lastFrame, Math.max(1, Math.round(0.2 * FPS * scale)));
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var lockFrames = characters.map(function (character, index) {
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if (/\s/.test(character)) return 0;
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var position = characters.length <= 1 ? 1 : index / (characters.length - 1);
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return Math.round(firstLockFrame + position * (lastFrame - firstLockFrame));
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});
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var rows = [];
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for (var frame = 0; frame <= lastFrame; frame += 1) {
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var row = characters
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.map(function (character, index) {
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if (/\s/.test(character) || frame >= lockFrames[index]) return character;
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state = (Math.imul(1664525, state) + 1013904223) >>> 0;
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var glyphIndex = state % glyphs.length;
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var glyph = glyphs.charAt(glyphIndex);
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if (glyph === character)
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glyph = glyphs.charAt((glyphIndex + 1) % glyphs.length);
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return glyph;
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})
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.join("");
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rows.push(row);
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}
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return rows;
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})();
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gsap.set(stage, { opacity: 0, x: "-4cqw", y: "2.4cqh" });
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textElement.textContent = frameTable[0];
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var tl = gsap.timeline({ paused: true });
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// IN: independently eased axes form the arrival arc. The authored
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// frame rows then lock the target from left to right at 30 fps.
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tl.to(stage, { opacity: 1, duration: ARRIVAL, ease: "power2.out" }, 0);
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tl.to(stage, { x: "0cqw", duration: ARRIVAL, ease: "power3.out" }, 0);
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tl.to(stage, { y: "0cqh", duration: ARRIVAL, ease: "sine.inOut" }, 0);
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frameTable.forEach(function (row, frame) {
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tl.set(textElement, { textContent: row }, frame / FPS);
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});
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// HOLD: finite drift ends with authored stillness before departure.
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var driftHalf = Math.max(0, HOLD - STILLNESS) / 2;
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if (driftHalf > 0) {
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tl.to(
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stage,
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{
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y: "-0.55cqh",
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duration: driftHalf,
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ease: "sine.inOut",
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yoyo: true,
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repeat: 1,
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},
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HOLD_START,
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);
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}
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// OUT: optional departure; exit none holds until the frame cuts.
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// The up exit keeps the original curved arc departure.
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if (exit === "up") {
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tl.to(stage, { x: "5cqw", duration: OUT, ease: "power2.in" }, OUT_START);
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tl.to(stage, { y: "-3.5cqh", duration: OUT, ease: "sine.inOut" }, OUT_START);
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tl.to(stage, { opacity: 0, duration: OUT, ease: "power2.in" }, OUT_START);
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} else if (exit === "fade") {
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tl.to(stage, { opacity: 0, duration: OUT, ease: "power2.in" }, OUT_START);
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}
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tl.seek(0);
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window.__timelines = window.__timelines || {};
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window.__timelines["scramble-reveal"] = 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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