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https://github.com/heygen-com/hyperframes.git
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Miao YangandClaude Opus 4.8
a34d3dba4d
Replace bgm-to-video, bgm-to-video-new, bgm-to-video-refactor, and the standalone beat-sync/montage skills with a single music-to-video skill. Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
161 lines
4.4 KiB
HTML
161 lines
4.4 KiB
HTML
<!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>25 · radial_burst_lines</title>
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<script src="../assets/gsap.min.js"></script>
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<style>
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:root {
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--hg-violet: #7c3aed;
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--hg-violet-2: #a855f7;
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--hg-bg: #0a0a0f;
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--hg-fg: #f5f5fa;
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--hg-dim: #6b6b78;
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}
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* {
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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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html,
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body {
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margin: 0;
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width: 1920px;
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height: 1080px;
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overflow: hidden;
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background: var(--hg-bg);
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font-family: "Inter", system-ui, sans-serif;
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color: var(--hg-fg);
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-webkit-font-smoothing: antialiased;
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}
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#scene {
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position: absolute;
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inset: 0;
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width: 1920px;
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height: 1080px;
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}
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.stage {
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position: absolute;
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inset: 0;
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display: flex;
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align-items: center;
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justify-content: center;
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}
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.hero {
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font-weight: 900;
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font-size: 320px;
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letter-spacing: -0.05em;
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color: var(--hg-fg);
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white-space: nowrap;
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position: relative;
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z-index: 10;
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will-change: transform;
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}
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.burst-stage {
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position: absolute;
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inset: 0;
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display: flex;
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align-items: center;
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justify-content: center;
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pointer-events: none;
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}
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.line {
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position: absolute;
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width: 5px;
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height: 180px;
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background: linear-gradient(to top, transparent 0%, var(--hg-fg) 50%, transparent 100%);
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transform-origin: bottom center;
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opacity: 0;
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will-change: transform, opacity;
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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="root"
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data-composition-id="main"
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data-start="0"
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data-duration="2"
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data-width="1920"
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data-height="1080"
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>
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<div id="scene" class="clip" data-start="0" data-duration="2" data-track-index="1">
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<div class="burst-stage" id="bursts"></div>
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<div class="stage"><div class="hero">BAM</div></div>
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</div>
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</div>
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<script>
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window.__timelines = window.__timelines || {};
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const tl = gsap.timeline({ paused: true });
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// Build 20 lines
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const N = 20;
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const container = document.getElementById("bursts");
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const lines = [];
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for (let i = 0; i < N; i++) {
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const l = document.createElement("div");
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l.className = "line";
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const angle = (i / N) * 360;
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const innerRadius = 220;
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// Rotate around center, push outward via transform-origin trick.
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// Easier: use translate then rotate
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l.style.transform = `rotate(${angle}deg) translateY(-${innerRadius}px) scaleY(0)`;
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container.appendChild(l);
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lines.push({ el: l, angle });
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}
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// Hero punch
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tl.fromTo(
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".hero",
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{ scale: 0.7, opacity: 0 },
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{ scale: 1.1, opacity: 1, duration: 0.15, ease: "power4.out" },
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0.3,
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);
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tl.to(".hero", { scale: 1.0, duration: 0.4, ease: "elastic.out(1, 0.5)" }, 0.45);
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// Burst lines expand
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lines.forEach((l, i) => {
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const innerRadius = 220 + (i % 3) * 30; // vary radius
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const len = 200 + (i % 4) * 40; // vary length
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const ang = l.angle;
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tl.set(
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l.el,
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{
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rotation: ang,
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x: 0,
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y: 0,
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scaleY: 0,
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opacity: 0,
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transformOrigin: "center bottom",
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},
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0,
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);
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// GSAP transforms compose, so we set the rotation + translate via separate properties
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// Use a custom transform string approach
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tl.to(
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l.el,
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{
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scaleY: 1,
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opacity: 1,
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duration: 0.18,
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ease: "power4.out",
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onUpdate: function () {
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const p = this.progress();
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const t = -innerRadius - len * p * 0.2;
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l.el.style.transform = `rotate(${ang}deg) translateY(${t}px) scaleY(${p})`;
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l.el.style.opacity = (p > 0.7 ? 1 - (p - 0.7) / 0.3 : 1).toString();
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},
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},
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0.32 + (i % 5) * 0.018,
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);
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});
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// Hold then fade
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tl.to(".line", { opacity: 0, duration: 0.4, ease: "power2.out" }, 0.9);
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window.__timelines["main"] = tl;
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</script>
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</body>
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</html>
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