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feat(registry): add hw-title — handwritten title
Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
This commit is contained in:
jbernard077
co-authored by
Claude Fable 5
Claude Fable 5
parent
3beed70e56
commit
fae6560766
+243
@@ -0,0 +1,243 @@
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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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<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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@font-face {
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font-family: "Caveat";
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src: url("assets/fonts/Caveat-700-latin.woff2") format("woff2");
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font-weight: 700;
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font-display: block;
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}
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*,
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*::before,
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*::after {
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margin: 0;
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padding: 0;
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box-sizing: border-box;
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}
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body {
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background: transparent;
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overflow: hidden;
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}
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#hw-t-root {
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/* ---- hw tokens ---- */
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--hw-font-print: "Caveat", cursive;
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--hw-font-script: "Caveat", cursive;
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--hw-ink: #f4f2ec;
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--hw-ink-dark: #26241f;
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--hw-accent-warm: #ffb020;
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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; /* overlays footage or a board */
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font-family: var(--hw-font-print, "Caveat", cursive);
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}
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#hw-t-wrap {
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position: absolute;
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pointer-events: none;
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}
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#hw-t-line {
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font-weight: 700;
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line-height: 1.1;
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white-space: nowrap;
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text-shadow: 0 2px 18px rgba(0, 0, 0, 0.4);
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}
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#hw-t-line .w {
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display: inline;
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}
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#hw-t-under {
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overflow: visible;
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display: block;
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}
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#hw-t-under path {
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fill: none;
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stroke: var(--hw-accent-warm);
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stroke-width: 7;
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stroke-linecap: round;
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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="hw-t-root"
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data-composition-id="hw-title"
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data-start="0"
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data-duration="6"
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data-width="1920"
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data-height="1080"
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>
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<div id="hw-t-wrap">
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<div id="hw-t-line"></div>
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<svg id="hw-t-under" width="10" height="34"><path id="hw-t-under-path"></path></svg>
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</div>
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<div
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id="hw-t-drv"
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class="clip"
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data-start="0"
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data-duration="6"
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data-track-index="0"
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style="position:absolute;width:1px;height:1px;opacity:0;pointer-events:none"
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></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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/* ---- published parameters ----
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Handwritten title with the highlight-sweep scalar (the shared
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mk-callout-highlight mechanic) + squiggle underline + the boil.
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Demonstrates the dispatcher composing sweep + boil on one
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timeline (learning: one onUpdate — everything through hwOnUpdate). */
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var CONFIG = {
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text: "shine like the star you are",
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fontSize: 120,
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scheme: "chalk", // "chalk" (white, over footage) | "ink" (dark, boards)
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sweep: { enabled: true, start: 0.8, end: 3.2 },
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underline: { enabled: true, wobble: 6 },
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boil: { enabled: true, amp: 1.4, rot: 0.3, frameDrop: 3 },
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seed: 8,
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x: null, // null = centered
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y: null,
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animationIn: true,
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animationOut: true,
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};
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var DUR = 6;
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function clamp(v, lo, hi) {
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return Math.min(hi, Math.max(lo, v));
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}
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var IN = clamp(DUR * 0.08, 0.3, 0.8);
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var OUT = clamp(DUR * 0.06, 0.25, 0.6);
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/* hw family runtime */
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window.hwOnUpdate = function (tl, fn) {
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if (!tl.__hwRenders) {
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tl.__hwRenders = [];
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tl.eventCallback("onUpdate", function () {
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for (var i = 0; i < tl.__hwRenders.length; i++) tl.__hwRenders[i]();
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});
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}
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tl.__hwRenders.push(fn);
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fn();
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};
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window.hwHash = function (n, seed) {
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var x = Math.sin(n * 127.1 + (seed || 1) * 311.7) * 43758.5453;
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return (x - Math.floor(x)) * 2 - 1;
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};
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window.hwBoil = function (tl, target, opts) {
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opts = opts || {};
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var amp = opts.amp !== undefined ? opts.amp : 1.6;
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var rot = opts.rot !== undefined ? opts.rot : 0.5;
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var fps = opts.fps || 30;
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var drop = opts.frameDrop || 3;
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var seed = opts.seed || 1;
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var els = gsap.utils.toArray(target);
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window.hwOnUpdate(tl, function () {
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var step = Math.floor((tl.time() * fps) / drop);
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for (var i = 0; i < els.length; i++) {
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gsap.set(els[i], {
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x: window.hwHash(step * 3 + i * 97, seed) * amp,
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y: window.hwHash(step * 3 + 1 + i * 97, seed) * amp,
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rotation: (opts.baseRot || 0) + window.hwHash(step * 3 + 2 + i * 97, seed) * rot,
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});
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}
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});
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};
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var FULL = CONFIG.scheme === "ink" ? "#26241f" : "#f4f2ec";
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var FAINT = CONFIG.scheme === "ink" ? "rgba(38,36,31,0.3)" : "rgba(244,242,236,0.32)";
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var wrap = document.getElementById("hw-t-wrap");
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var line = document.getElementById("hw-t-line");
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line.style.fontSize = CONFIG.fontSize + "px";
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/* word spans */
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var wordEls = [];
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CONFIG.text.split(/\s+/).forEach(function (w, i) {
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if (i > 0) line.appendChild(document.createTextNode(" "));
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var span = document.createElement("span");
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span.className = "w";
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span.textContent = w;
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span.style.color = CONFIG.sweep.enabled ? FAINT : FULL;
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line.appendChild(span);
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wordEls.push(span);
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});
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/* measure + position; build squiggle underline to match width */
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var rect = line.getBoundingClientRect();
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wrap.style.left = (CONFIG.x === null ? Math.round((1920 - rect.width) / 2) : CONFIG.x) + "px";
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wrap.style.top = (CONFIG.y === null ? Math.round((1080 - rect.height) / 2) - 20 : CONFIG.y) + "px";
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var underPath = document.getElementById("hw-t-under-path");
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if (CONFIG.underline.enabled) {
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var uw = Math.round(rect.width);
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var svg = document.getElementById("hw-t-under");
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svg.setAttribute("width", uw);
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svg.setAttribute("viewBox", "0 0 " + uw + " 34");
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var segs = Math.max(6, Math.round(uw / 90));
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var d = "M 2 " + (16 + window.hwHash(0, CONFIG.seed) * 4).toFixed(1);
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for (var i = 1; i <= segs; i++) {
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var x = (uw / segs) * i;
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var y = 16 + window.hwHash(i * 5 + 1, CONFIG.seed) * CONFIG.underline.wobble;
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var cxp = x - uw / segs / 2 + window.hwHash(i * 5 + 2, CONFIG.seed) * 10;
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var cyp = 16 + (i % 2 ? -1 : 1) * (8 + window.hwHash(i * 5 + 3, CONFIG.seed) * 4);
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d += " Q " + cxp.toFixed(1) + " " + cyp.toFixed(1) + " " + x.toFixed(1) + " " + y.toFixed(1);
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}
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underPath.setAttribute("d", d);
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} else {
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document.getElementById("hw-t-under").style.display = "none";
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}
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var tl = gsap.timeline({ paused: true });
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if (CONFIG.animationIn) {
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gsap.set(wrap, { opacity: 0 });
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tl.to(wrap, { opacity: 1, duration: IN, ease: "power2.out" }, 0.1);
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}
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/* the sweep scalar — registered through the dispatcher so it
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coexists with the boil on the same timeline */
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if (CONFIG.sweep.enabled) {
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var mix = gsap.utils.interpolate(FAINT, FULL);
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var st = { p: 0 };
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window.hwOnUpdate(tl, function () {
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var k = st.p * wordEls.length;
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for (var i = 0; i < wordEls.length; i++) {
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var f = Math.max(0, Math.min(1, k - i));
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wordEls[i].style.color = mix(f);
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}
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});
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tl.to(st, { p: 1, duration: CONFIG.sweep.end - CONFIG.sweep.start, ease: "none" }, CONFIG.sweep.start);
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}
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/* underline draws as the sweep lands */
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if (CONFIG.underline.enabled) {
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var len = underPath.getTotalLength();
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gsap.set(underPath, { strokeDasharray: len, strokeDashoffset: len });
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var uAt = CONFIG.sweep.enabled ? CONFIG.sweep.end - 0.2 : 0.8;
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tl.to(underPath, { strokeDashoffset: 0, duration: 0.7, ease: "power2.inOut" }, uAt);
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}
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if (CONFIG.boil.enabled) {
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window.hwBoil(tl, "#hw-t-wrap", {
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amp: CONFIG.boil.amp,
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rot: CONFIG.boil.rot,
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frameDrop: CONFIG.boil.frameDrop,
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seed: CONFIG.seed,
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});
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}
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if (CONFIG.animationOut) {
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tl.to(wrap, { opacity: 0, duration: OUT, ease: "power2.in" }, DUR - OUT - 0.05);
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}
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tl.set("#hw-t-root", { visibility: "hidden" }, DUR - 0.02);
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window.__timelines["hw-title"] = tl;
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})();
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</script>
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</body>
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</html>
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