Files
hyperframes/skills/music-to-video/references/motion-primitives/3d-card-flip/index.html
T
Miao YangandClaude Opus 4.8 a34d3dba4d feat(skills): unify bgm-to-video flows into music-to-video
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>
2026-06-23 21:33:01 +08:00

155 lines
4.1 KiB
HTML

<!doctype html>
<html lang="en">
<head>
<meta charset="UTF-8" />
<meta name="viewport" content="width=1920, height=1080" />
<title>18 · 3d_card_flip</title>
<script src="../assets/gsap.min.js"></script>
<style>
:root {
--hg-violet: #7c3aed;
--hg-violet-2: #a855f7;
--hg-bg: #0a0a0f;
--hg-fg: #f5f5fa;
--hg-dim: #6b6b78;
}
* {
margin: 0;
padding: 0;
box-sizing: border-box;
}
html,
body {
margin: 0;
width: 1920px;
height: 1080px;
overflow: hidden;
background: var(--hg-bg);
font-family: "Inter", system-ui, sans-serif;
color: var(--hg-fg);
-webkit-font-smoothing: antialiased;
}
#scene {
position: absolute;
inset: 0;
width: 1920px;
height: 1080px;
}
.card-stage {
position: absolute;
inset: 0;
display: flex;
align-items: center;
justify-content: center;
perspective: 2400px;
}
.card {
position: relative;
width: 1000px;
height: 580px;
transform-style: preserve-3d;
will-change: transform;
}
.face {
position: absolute;
inset: 0;
backface-visibility: hidden;
display: flex;
align-items: center;
justify-content: center;
font-weight: 900;
font-size: 200px;
letter-spacing: -0.04em;
border-radius: 24px;
box-shadow:
0 40px 80px rgba(0, 0, 0, 0.5),
0 0 0 1px rgba(255, 255, 255, 0.08) inset;
}
.face.front {
background: linear-gradient(135deg, #1e1b3a 0%, #0a0a0f 100%);
color: var(--hg-fg);
}
.face.back {
background: linear-gradient(135deg, #7c3aed 0%, #a855f7 60%, #d946ef 100%);
color: var(--hg-fg);
transform: rotateY(180deg);
}
.face .meta {
position: absolute;
top: 36px;
left: 40px;
font-family: "JetBrains Mono", monospace;
font-weight: 600;
font-size: 18px;
letter-spacing: 0.16em;
opacity: 0.6;
}
.card-shadow {
position: absolute;
left: 50%;
bottom: 22%;
width: 1000px;
height: 80px;
background: radial-gradient(ellipse at center, rgba(0, 0, 0, 0.55) 0%, transparent 70%);
transform: translateX(-50%);
filter: blur(12px);
will-change: opacity, transform;
}
</style>
</head>
<body>
<div
id="root"
data-composition-id="main"
data-start="0"
data-duration="2"
data-width="1920"
data-height="1080"
>
<div id="scene" class="clip" data-start="0" data-duration="2" data-track-index="1">
<div class="card-shadow"></div>
<div class="card-stage">
<div class="card" id="card">
<div class="face front">
<div class="meta">v4 · CURRENT</div>
PRODUCT
</div>
<div class="face back">
<div class="meta">v5 · LAUNCH</div>
v5.0
</div>
</div>
</div>
</div>
</div>
<script>
window.__timelines = window.__timelines || {};
const tl = gsap.timeline({ paused: true });
tl.fromTo(
"#card",
{ rotateY: 0, scale: 0.92, opacity: 0 },
{ rotateY: 0, scale: 1, opacity: 1, duration: 0.45, ease: "power3.out" },
0.15,
);
// Hold then flip
tl.to("#card", { rotateY: 180, duration: 1.0, ease: "power3.inOut" }, 0.7);
// Shadow squishes mid-flip
tl.to(
".card-shadow",
{ scaleX: 0.6, opacity: 0.4, duration: 0.5, ease: "power2.inOut" },
0.7,
);
tl.to(".card-shadow", { scaleX: 1, opacity: 0.7, duration: 0.5, ease: "power2.inOut" }, 1.2);
// Tiny landing settle
tl.to("#card", { scale: 1.02, duration: 0.12, ease: "power2.out" }, 1.68);
tl.to("#card", { scale: 1, duration: 0.3, ease: "elastic.out(1, 0.5)" }, 1.8);
window.__timelines["main"] = tl;
</script>
</body>
</html>