mirror of
https://github.com/heygen-com/hyperframes.git
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James
68 lines
1.7 KiB
HTML
68 lines
1.7 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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<title>chunk-boundary: CSS @keyframes</title>
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<script src="https://cdnjs.cloudflare.com/ajax/libs/gsap/3.12.2/gsap.min.js"></script>
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<style>
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body,
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html {
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margin: 0;
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padding: 0;
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width: 320px;
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height: 180px;
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background: #0f172a;
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overflow: hidden;
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}
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#main-comp {
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position: relative;
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width: 320px;
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height: 180px;
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}
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@keyframes slide {
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from {
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transform: translateX(0px) rotate(0deg);
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}
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to {
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transform: translateX(280px) rotate(360deg);
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}
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}
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#box {
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position: absolute;
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left: 0;
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top: 70px;
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width: 40px;
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height: 40px;
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background: #f97316;
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border-radius: 6px;
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animation: slide 2s linear forwards;
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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="main-comp"
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data-composition-id="main-comp"
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data-width="320"
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data-height="180"
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data-start="0"
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data-duration="2"
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>
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<div id="box"></div>
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</div>
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<script>
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// CSS animation is seek-driven by the HyperFrames CSS adapter — at
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// each frame the runtime sets `animation-delay` so the keyframe
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// playhead lands on the right point. A boundary regression here
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// would show up as box position drift at frames 15, 30, 45.
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// The empty GSAP timeline is just to satisfy the composition's
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// duration-driver requirement.
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const tl = gsap.timeline({ paused: true });
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window.__timelines = window.__timelines || {};
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window.__timelines["main-comp"] = tl;
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tl.to({}, { duration: 2 }, 0);
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</script>
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</body>
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</html>
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