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heygen-com--hyperframes/registry/components/caption-matrix-decode/demo.html
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chore: import upstream snapshot with attribution
2026-07-13 12:58:35 +08:00

266 lines
8.6 KiB
HTML
Vendored

<!doctype html>
<html lang="en">
<head>
<meta charset="UTF-8" />
<meta name="viewport" content="width=1920, height=1080" />
<title>Matrix Decode</title>
<link rel="preconnect" href="https://fonts.googleapis.com" />
<link rel="preconnect" href="https://fonts.gstatic.com" crossorigin />
<link
href="https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@700&display=swap"
rel="stylesheet"
/>
<script src="https://cdn.jsdelivr.net/npm/gsap@3.14.2/dist/gsap.min.js"></script>
<style>
*,
*::before,
*::after {
box-sizing: border-box;
}
html,
body {
width: 1920px;
height: 1080px;
margin: 0;
overflow: hidden;
background: #000;
}
#matrix-decode {
position: relative;
width: 1920px;
height: 1080px;
overflow: hidden;
background: #000;
}
#sc-video {
position: absolute;
inset: 0;
z-index: 0;
width: 100%;
height: 100%;
object-fit: cover;
}
.sc-overlay {
position: absolute;
inset: 0;
background: rgba(0, 0, 0, 0.85);
z-index: 1;
pointer-events: none;
}
#sc-container {
position: absolute;
inset: 0;
z-index: 10;
pointer-events: none;
}
.sc-group {
position: absolute;
bottom: 120px;
left: 0;
width: 100%;
display: flex;
flex-wrap: wrap;
align-items: flex-end;
justify-content: center;
gap: 24px;
padding: 0 80px;
opacity: 0;
visibility: hidden;
}
.sc-word-wrap {
font-family: "Space Grotesk", sans-serif;
font-weight: 700;
font-size: 96px;
color: #00ff41;
display: inline-block;
letter-spacing: 0.04em;
line-height: 1;
position: relative;
}
.sc-real {
display: none;
}
.sc-scr0 {
display: none;
}
.sc-scr1 {
display: none;
}
</style>
</head>
<body>
<div
id="matrix-decode"
data-composition-id="caption-matrix-decode"
data-start="0"
data-duration="8"
data-fps="30"
data-width="1920"
data-height="1080"
>
<video
id="sc-video"
muted
playsinline
data-start="0"
data-duration="8"
data-track-index="0"
data-has-audio="false"
></video>
<div class="sc-overlay"></div>
<div id="sc-container"></div>
</div>
<script>
(function () {
window.__timelines = window.__timelines || {};
var _fitCanvas = document.createElement("canvas");
var _fitCtx = _fitCanvas.getContext("2d");
function fitFontSize(text, baseFontSize, fontWeight, fontFamily, maxWidth) {
var size = baseFontSize;
var minSize = Math.floor(baseFontSize * 0.45);
while (size > minSize) {
_fitCtx.font = fontWeight + " " + size + "px " + fontFamily;
if (_fitCtx.measureText(text).width <= maxWidth) return size;
size -= 2;
}
return minSize;
}
function mulberry32(seed) {
return function () {
seed |= 0;
seed = (seed + 0x6d2b79f5) | 0;
var t = Math.imul(seed ^ (seed >>> 15), 1 | seed);
t = (t + Math.imul(t ^ (t >>> 7), 61 | t)) ^ t;
return ((t ^ (t >>> 14)) >>> 0) / 4294967296;
};
}
var ALPHANUM = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789";
function scrambleChars(seed) {
var rng = mulberry32(seed);
var result = "";
for (var i = 0; i < 4; i++) {
result += ALPHANUM[Math.floor(rng() * ALPHANUM.length)];
}
return result;
}
var WORDS = [
{ text: "Every", start: 0.0, end: 0.3 },
{ text: "great", start: 0.3, end: 0.55 },
{ text: "video", start: 0.55, end: 0.85 },
{ text: "starts", start: 0.85, end: 1.1 },
{ text: "with", start: 1.1, end: 1.25 },
{ text: "a", start: 1.25, end: 1.35 },
{ text: "single", start: 1.35, end: 1.65 },
{ text: "frame.", start: 1.65, end: 2.0 },
{ text: "HyperFrames", start: 2.1, end: 2.65 },
{ text: "lets", start: 2.65, end: 2.85 },
{ text: "you", start: 2.85, end: 2.95 },
{ text: "write", start: 2.95, end: 3.15 },
{ text: "HTML", start: 3.15, end: 3.55 },
{ text: "and", start: 3.55, end: 3.65 },
{ text: "render", start: 3.65, end: 3.95 },
{ text: "professional", start: 3.95, end: 4.45 },
{ text: "video.", start: 4.45, end: 4.8 },
{ text: "No", start: 4.9, end: 5.05 },
{ text: "timeline.", start: 5.05, end: 5.45 },
{ text: "No", start: 5.5, end: 5.65 },
{ text: "drag", start: 5.65, end: 5.85 },
{ text: "and", start: 5.85, end: 5.95 },
{ text: "drop.", start: 5.95, end: 6.25 },
{ text: "Just", start: 6.35, end: 6.55 },
{ text: "code", start: 6.55, end: 6.8 },
{ text: "that", start: 6.8, end: 6.95 },
{ text: "becomes", start: 6.95, end: 7.3 },
{ text: "cinema.", start: 7.3, end: 7.7 },
];
var GROUPS = [
{ wordStart: 0, wordEnd: 3, start: 0.0, end: 1.35 },
{ wordStart: 4, wordEnd: 7, start: 1.1, end: 2.35 },
{ wordStart: 8, wordEnd: 8, start: 2.1, end: 2.9 },
{ wordStart: 9, wordEnd: 12, start: 2.65, end: 3.8 },
{ wordStart: 13, wordEnd: 15, start: 3.55, end: 4.7 },
{ wordStart: 16, wordEnd: 16, start: 3.95, end: 5.0 },
{ wordStart: 17, wordEnd: 19, start: 4.9, end: 5.7 },
{ wordStart: 20, wordEnd: 22, start: 5.65, end: 6.5 },
{ wordStart: 23, wordEnd: 24, start: 6.35, end: 7.05 },
{ wordStart: 25, wordEnd: 27, start: 6.8, end: 7.9 },
];
var container = document.getElementById("sc-container");
var tl = gsap.timeline({ paused: true });
GROUPS.forEach(function (g, gi) {
var groupWords = WORDS.slice(g.wordStart, g.wordEnd + 1);
var groupText = groupWords
.map(function (w) {
return w.text;
})
.join(" ");
var fontSize = fitFontSize(groupText, 96, "700", "'Space Grotesk', sans-serif", 1760);
var grp = document.createElement("div");
grp.className = "sc-group";
grp.id = "sc-grp-" + gi;
groupWords.forEach(function (w, i) {
var wi = g.wordStart + i;
var wordWrap = document.createElement("span");
wordWrap.className = "sc-word-wrap";
wordWrap.id = "sc-ww-" + wi;
wordWrap.style.fontSize = fontSize + "px";
var real = document.createElement("span");
real.className = "sc-real";
real.id = "sc-real-" + wi;
real.textContent = w.text;
wordWrap.appendChild(real);
var scr0 = document.createElement("span");
scr0.className = "sc-scr0";
scr0.id = "sc-scr0-" + wi;
scr0.textContent = scrambleChars(wi * 1000 + 0);
wordWrap.appendChild(scr0);
var scr1 = document.createElement("span");
scr1.className = "sc-scr1";
scr1.id = "sc-scr1-" + wi;
scr1.textContent = scrambleChars(wi * 1000 + 1);
wordWrap.appendChild(scr1);
grp.appendChild(wordWrap);
});
container.appendChild(grp);
tl.set(grp, { visibility: "visible", opacity: 0 }, g.start);
tl.fromTo(grp, { opacity: 0 }, { opacity: 1, duration: 0.1 }, g.start);
groupWords.forEach(function (w, i) {
var wi = g.wordStart + i;
var realEl = document.getElementById("sc-real-" + wi);
var scr0El = document.getElementById("sc-scr0-" + wi);
var scr1El = document.getElementById("sc-scr1-" + wi);
tl.set(scr0El, { display: "inline" }, w.start);
tl.set(scr1El, { display: "inline" }, w.start + 0.1);
tl.set(scr0El, { display: "none" }, w.start + 0.1);
tl.set(realEl, { display: "inline" }, w.start + 0.2);
tl.set(scr1El, { display: "none" }, w.start + 0.2);
});
tl.to(grp, { opacity: 0, duration: 0.12 }, g.end - 0.12);
tl.set(grp, { opacity: 0, visibility: "hidden" }, g.end);
});
window.__timelines["caption-matrix-decode"] = tl;
})();
</script>
</body>
</html>