mirror of
https://github.com/heygen-com/hyperframes.git
synced 2026-09-03 04:38:33 +00:00
feat(registry): add 15 caption style catalog components
Add 15 caption overlay components to the registry, covering a wide range of animation techniques: Standalone origins (6): - caption-pill-karaoke: pill container + karaoke word highlight - caption-neon-accent: multi-color neon glow with wiggle drift - caption-weight-shift: font-weight transition between lines - caption-emoji-pop: emoji + stroked text + horizontal squeeze - caption-editorial-emphasis: dual-font (Inter + Playfair) emphasis - caption-parallax-layers: 3D text layering with vertical stretch Gallery picks (9): - caption-glitch-rgb: RGB chromatic aberration + CRT scanlines - caption-typewriter: green terminal char-by-char with cursor - caption-matrix-decode: scramble-reveal character animation - caption-particle-burst: keyword particle explosions - caption-texture-lava: flowing lava texture mask - caption-clip-wipe: clip-path left-to-right wipe reveal - caption-kinetic-slam: full-screen single-word slam - caption-gradient-fill: gradient-clipped text + elastic bounce - caption-neon-glow: cyan/magenta neon glow accents Each component includes the reusable HTML, a demo composition, and registry-item.json. All use a generic HyperFrames transcript. Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
This commit is contained in:
co-authored by
Claude Sonnet 4.6
parent
7a1e8769a5
commit
78ddd2602b
@@ -0,0 +1,323 @@
|
||||
<!doctype html>
|
||||
<html lang="en">
|
||||
<head>
|
||||
<meta charset="UTF-8" />
|
||||
<meta name="viewport" content="width=1920, height=1080" />
|
||||
<title>Weight Shift</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=Montserrat:wght@300;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: #000000;
|
||||
font-family: "Montserrat", Arial, sans-serif;
|
||||
}
|
||||
|
||||
#weight-shift {
|
||||
position: relative;
|
||||
width: 1920px;
|
||||
height: 1080px;
|
||||
overflow: hidden;
|
||||
background: #000000;
|
||||
}
|
||||
|
||||
#avatar-video {
|
||||
position: absolute;
|
||||
inset: 0;
|
||||
z-index: 1;
|
||||
width: 100%;
|
||||
height: 100%;
|
||||
object-fit: cover;
|
||||
}
|
||||
|
||||
.caption-layer {
|
||||
position: absolute;
|
||||
inset: 0;
|
||||
z-index: 20;
|
||||
pointer-events: none;
|
||||
transform: translateZ(0);
|
||||
}
|
||||
|
||||
.safe-zone {
|
||||
position: absolute;
|
||||
bottom: 100px;
|
||||
left: 50%;
|
||||
transform: translateX(-50%);
|
||||
width: 1400px;
|
||||
height: 260px;
|
||||
display: flex;
|
||||
align-items: center;
|
||||
justify-content: center;
|
||||
}
|
||||
|
||||
.caption-group {
|
||||
position: absolute;
|
||||
left: 0;
|
||||
top: 0;
|
||||
width: 1400px;
|
||||
height: 260px;
|
||||
display: flex;
|
||||
align-items: center;
|
||||
justify-content: center;
|
||||
opacity: 0;
|
||||
transform-origin: 50% 50%;
|
||||
will-change: transform;
|
||||
backface-visibility: hidden;
|
||||
}
|
||||
|
||||
.caption-copy {
|
||||
display: flex;
|
||||
flex-direction: column;
|
||||
align-items: center;
|
||||
justify-content: center;
|
||||
max-width: 1400px;
|
||||
text-align: center;
|
||||
}
|
||||
|
||||
.caption-line {
|
||||
display: flex;
|
||||
align-items: center;
|
||||
justify-content: center;
|
||||
gap: 12px;
|
||||
width: max-content;
|
||||
max-width: 1400px;
|
||||
line-height: 1.1;
|
||||
white-space: nowrap;
|
||||
color: #ffffff;
|
||||
font-family: "Montserrat", Arial, sans-serif;
|
||||
font-weight: 300;
|
||||
font-size: 72px;
|
||||
letter-spacing: -0.03em;
|
||||
text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
|
||||
text-transform: lowercase;
|
||||
}
|
||||
</style>
|
||||
</head>
|
||||
<body>
|
||||
<div
|
||||
id="weight-shift"
|
||||
data-composition-id="caption-weight-shift"
|
||||
data-start="0"
|
||||
data-duration="8"
|
||||
data-fps="30"
|
||||
data-width="1920"
|
||||
data-height="1080"
|
||||
>
|
||||
<video
|
||||
id="avatar-video"
|
||||
muted
|
||||
playsinline
|
||||
data-start="0"
|
||||
data-duration="8"
|
||||
data-track-index="0"
|
||||
data-has-audio="false"
|
||||
></video>
|
||||
|
||||
<div class="caption-layer" aria-hidden="true">
|
||||
<div id="caption-stage" class="safe-zone"></div>
|
||||
</div>
|
||||
</div>
|
||||
|
||||
<script>
|
||||
var DURATION = 8;
|
||||
var SAFE_ZONE_WIDTH = 1400;
|
||||
var MAX_LINE_WIDTH = SAFE_ZONE_WIDTH - 40;
|
||||
var CAPTION_FONT_SIZE = 72;
|
||||
var MAX_WORDS_PER_GROUP = 4;
|
||||
var WORD_SPACING = 12;
|
||||
var PAUSE_THRESHOLD = 0.1;
|
||||
var ENTRY_DURATION = 100 / 1000;
|
||||
var WEIGHT_TRANSITION = 100 / 1000;
|
||||
var FONT_WIDTH_SAFETY = 1.14;
|
||||
var FONT_WEIGHT_LIGHT = 300;
|
||||
var FONT_WEIGHT_BOLD = 700;
|
||||
|
||||
var TRANSCRIPT = [
|
||||
{"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}
|
||||
];
|
||||
|
||||
function normalizeWords(rawWords) {
|
||||
return rawWords.map(function (item) {
|
||||
return {
|
||||
text: String(item.word || item.text || "").trim(),
|
||||
start: Math.max(0, Number(item.start) || 0),
|
||||
end: Math.min(DURATION, Math.max(Number(item.start) || 0, Number(item.end) || 0)),
|
||||
};
|
||||
}).filter(function (word) { return word.text.length > 0; });
|
||||
}
|
||||
|
||||
var measureCanvas = document.createElement("canvas");
|
||||
var measureContext = measureCanvas.getContext("2d");
|
||||
measureContext.font = "700 " + CAPTION_FONT_SIZE + "px Montserrat";
|
||||
|
||||
function measureWord(word) {
|
||||
return measureContext.measureText(word.text.toLowerCase()).width * FONT_WIDTH_SAFETY;
|
||||
}
|
||||
|
||||
function measureLineWidth(words) {
|
||||
return words.reduce(function (total, word, index) {
|
||||
return total + measureWord(word) + (index ? WORD_SPACING : 0);
|
||||
}, 0);
|
||||
}
|
||||
|
||||
function fitsInTwoLines(words) {
|
||||
return measureLineWidth(words) <= MAX_LINE_WIDTH * 1.8;
|
||||
}
|
||||
|
||||
function splitLines(words) {
|
||||
if (measureLineWidth(words) <= MAX_LINE_WIDTH) {
|
||||
return [{ words: words, startIndex: 0 }];
|
||||
}
|
||||
var bestSplit = Math.ceil(words.length / 2);
|
||||
var bestDiff = Infinity;
|
||||
for (var s = 1; s < words.length; s++) {
|
||||
var w1 = measureLineWidth(words.slice(0, s));
|
||||
var w2 = measureLineWidth(words.slice(s));
|
||||
if (w1 <= MAX_LINE_WIDTH && w2 <= MAX_LINE_WIDTH) {
|
||||
var diff = Math.abs(w1 - w2);
|
||||
if (diff < bestDiff) { bestDiff = diff; bestSplit = s; }
|
||||
}
|
||||
}
|
||||
var result = [];
|
||||
var line1 = words.slice(0, bestSplit);
|
||||
var line2 = words.slice(bestSplit);
|
||||
if (line1.length) result.push({ words: line1, startIndex: 0 });
|
||||
if (line2.length) result.push({ words: line2, startIndex: line1.length });
|
||||
return result;
|
||||
}
|
||||
|
||||
function makeGroups(words) {
|
||||
var groups = [];
|
||||
var current = [];
|
||||
words.forEach(function (word, index) {
|
||||
var nextWord = words[index + 1];
|
||||
var testGroup = current.concat([word]);
|
||||
if (testGroup.length > MAX_WORDS_PER_GROUP || !fitsInTwoLines(testGroup)) {
|
||||
if (current.length) groups.push(makeGroup(current));
|
||||
current = [word];
|
||||
return;
|
||||
}
|
||||
current.push(word);
|
||||
var punctuation = /[,.:!?]$/.test(word.text);
|
||||
var pause = nextWord ? nextWord.start - word.end : 0;
|
||||
if (!nextWord || punctuation || pause >= PAUSE_THRESHOLD || current.length >= MAX_WORDS_PER_GROUP) {
|
||||
groups.push(makeGroup(current));
|
||||
current = [];
|
||||
}
|
||||
});
|
||||
if (current.length) groups.push(makeGroup(current));
|
||||
return groups;
|
||||
}
|
||||
|
||||
function makeGroup(words) {
|
||||
return { words: words.slice(), lines: splitLines(words), start: words[0].start, end: words[words.length - 1].end };
|
||||
}
|
||||
|
||||
function buildCaptions(groups) {
|
||||
var stage = document.getElementById("caption-stage");
|
||||
groups.forEach(function (group, groupIndex) {
|
||||
var groupEl = document.createElement("div");
|
||||
var copyEl = document.createElement("div");
|
||||
groupEl.id = "caption-group-" + groupIndex;
|
||||
groupEl.className = "caption-group";
|
||||
copyEl.className = "caption-copy";
|
||||
group.lines.forEach(function (line, lineIndex) {
|
||||
var lineEl = document.createElement("div");
|
||||
lineEl.className = "caption-line";
|
||||
lineEl.id = "caption-group-" + groupIndex + "-line-" + lineIndex;
|
||||
lineEl.style.fontWeight = lineIndex === 0 ? FONT_WEIGHT_BOLD : FONT_WEIGHT_LIGHT;
|
||||
line.words.forEach(function (word) {
|
||||
var wordEl = document.createElement("span");
|
||||
wordEl.textContent = word.text.toLowerCase();
|
||||
lineEl.appendChild(wordEl);
|
||||
});
|
||||
copyEl.appendChild(lineEl);
|
||||
});
|
||||
groupEl.appendChild(copyEl);
|
||||
stage.appendChild(groupEl);
|
||||
});
|
||||
}
|
||||
|
||||
var WORDS = normalizeWords(TRANSCRIPT);
|
||||
var GROUPS = makeGroups(WORDS);
|
||||
buildCaptions(GROUPS);
|
||||
|
||||
window.__timelines = window.__timelines || {};
|
||||
var tl = gsap.timeline({ paused: true });
|
||||
|
||||
var visibleStarts = GROUPS.map(function (group, groupIndex) {
|
||||
var prev = GROUPS[groupIndex - 1];
|
||||
var availableGap = prev ? Math.max(0, group.start - prev.end) : ENTRY_DURATION;
|
||||
var entryLead = Math.min(ENTRY_DURATION, availableGap);
|
||||
return Math.max(0, group.start - entryLead);
|
||||
});
|
||||
|
||||
var allGroupEls = GROUPS.map(function (_, i) { return document.getElementById("caption-group-" + i); });
|
||||
|
||||
GROUPS.forEach(function (group, groupIndex) {
|
||||
var groupEl = allGroupEls[groupIndex];
|
||||
var visibleStart = visibleStarts[groupIndex];
|
||||
var visibleEnd = groupIndex < GROUPS.length - 1 ? visibleStarts[groupIndex + 1] : DURATION;
|
||||
|
||||
allGroupEls.forEach(function (otherEl, otherIndex) {
|
||||
if (otherIndex !== groupIndex) tl.set(otherEl, { opacity: 0 }, visibleStart);
|
||||
});
|
||||
|
||||
tl.set(groupEl, { opacity: 0, scale: 0.85 }, visibleStart);
|
||||
tl.to(groupEl, { opacity: 1, scale: 1, duration: ENTRY_DURATION, ease: "power3.out", force3D: true }, visibleStart);
|
||||
|
||||
if (group.lines.length === 2) {
|
||||
var line1El = document.getElementById("caption-group-" + groupIndex + "-line-0");
|
||||
var line2El = document.getElementById("caption-group-" + groupIndex + "-line-1");
|
||||
var line2FirstWord = group.lines[1].words[0];
|
||||
var switchTime = line2FirstWord.start;
|
||||
tl.to(line1El, { fontWeight: FONT_WEIGHT_LIGHT, duration: WEIGHT_TRANSITION, ease: "power2.out" }, switchTime);
|
||||
tl.to(line2El, { fontWeight: FONT_WEIGHT_BOLD, duration: WEIGHT_TRANSITION, ease: "power2.out" }, switchTime);
|
||||
}
|
||||
|
||||
tl.set(groupEl, { opacity: 0 }, visibleEnd);
|
||||
});
|
||||
|
||||
window.__timelines["weight-shift"] = tl;
|
||||
</script>
|
||||
</body>
|
||||
</html>
|
||||
+323
@@ -0,0 +1,323 @@
|
||||
<!doctype html>
|
||||
<html lang="en">
|
||||
<head>
|
||||
<meta charset="UTF-8" />
|
||||
<meta name="viewport" content="width=1920, height=1080" />
|
||||
<title>Weight Shift</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=Montserrat:wght@300;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: #000000;
|
||||
font-family: "Montserrat", Arial, sans-serif;
|
||||
}
|
||||
|
||||
#weight-shift {
|
||||
position: relative;
|
||||
width: 1920px;
|
||||
height: 1080px;
|
||||
overflow: hidden;
|
||||
background: #000000;
|
||||
}
|
||||
|
||||
#avatar-video {
|
||||
position: absolute;
|
||||
inset: 0;
|
||||
z-index: 1;
|
||||
width: 100%;
|
||||
height: 100%;
|
||||
object-fit: cover;
|
||||
}
|
||||
|
||||
.caption-layer {
|
||||
position: absolute;
|
||||
inset: 0;
|
||||
z-index: 20;
|
||||
pointer-events: none;
|
||||
transform: translateZ(0);
|
||||
}
|
||||
|
||||
.safe-zone {
|
||||
position: absolute;
|
||||
bottom: 100px;
|
||||
left: 50%;
|
||||
transform: translateX(-50%);
|
||||
width: 1400px;
|
||||
height: 260px;
|
||||
display: flex;
|
||||
align-items: center;
|
||||
justify-content: center;
|
||||
}
|
||||
|
||||
.caption-group {
|
||||
position: absolute;
|
||||
left: 0;
|
||||
top: 0;
|
||||
width: 1400px;
|
||||
height: 260px;
|
||||
display: flex;
|
||||
align-items: center;
|
||||
justify-content: center;
|
||||
opacity: 0;
|
||||
transform-origin: 50% 50%;
|
||||
will-change: transform;
|
||||
backface-visibility: hidden;
|
||||
}
|
||||
|
||||
.caption-copy {
|
||||
display: flex;
|
||||
flex-direction: column;
|
||||
align-items: center;
|
||||
justify-content: center;
|
||||
max-width: 1400px;
|
||||
text-align: center;
|
||||
}
|
||||
|
||||
.caption-line {
|
||||
display: flex;
|
||||
align-items: center;
|
||||
justify-content: center;
|
||||
gap: 12px;
|
||||
width: max-content;
|
||||
max-width: 1400px;
|
||||
line-height: 1.1;
|
||||
white-space: nowrap;
|
||||
color: #ffffff;
|
||||
font-family: "Montserrat", Arial, sans-serif;
|
||||
font-weight: 300;
|
||||
font-size: 72px;
|
||||
letter-spacing: -0.03em;
|
||||
text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
|
||||
text-transform: lowercase;
|
||||
}
|
||||
</style>
|
||||
</head>
|
||||
<body>
|
||||
<div
|
||||
id="weight-shift"
|
||||
data-composition-id="caption-weight-shift"
|
||||
data-start="0"
|
||||
data-duration="8"
|
||||
data-fps="30"
|
||||
data-width="1920"
|
||||
data-height="1080"
|
||||
>
|
||||
<video
|
||||
id="avatar-video"
|
||||
muted
|
||||
playsinline
|
||||
data-start="0"
|
||||
data-duration="8"
|
||||
data-track-index="0"
|
||||
data-has-audio="false"
|
||||
></video>
|
||||
|
||||
<div class="caption-layer" aria-hidden="true">
|
||||
<div id="caption-stage" class="safe-zone"></div>
|
||||
</div>
|
||||
</div>
|
||||
|
||||
<script>
|
||||
var DURATION = 8;
|
||||
var SAFE_ZONE_WIDTH = 1400;
|
||||
var MAX_LINE_WIDTH = SAFE_ZONE_WIDTH - 40;
|
||||
var CAPTION_FONT_SIZE = 72;
|
||||
var MAX_WORDS_PER_GROUP = 4;
|
||||
var WORD_SPACING = 12;
|
||||
var PAUSE_THRESHOLD = 0.1;
|
||||
var ENTRY_DURATION = 100 / 1000;
|
||||
var WEIGHT_TRANSITION = 100 / 1000;
|
||||
var FONT_WIDTH_SAFETY = 1.14;
|
||||
var FONT_WEIGHT_LIGHT = 300;
|
||||
var FONT_WEIGHT_BOLD = 700;
|
||||
|
||||
var TRANSCRIPT = [
|
||||
{"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}
|
||||
];
|
||||
|
||||
function normalizeWords(rawWords) {
|
||||
return rawWords.map(function (item) {
|
||||
return {
|
||||
text: String(item.word || item.text || "").trim(),
|
||||
start: Math.max(0, Number(item.start) || 0),
|
||||
end: Math.min(DURATION, Math.max(Number(item.start) || 0, Number(item.end) || 0)),
|
||||
};
|
||||
}).filter(function (word) { return word.text.length > 0; });
|
||||
}
|
||||
|
||||
var measureCanvas = document.createElement("canvas");
|
||||
var measureContext = measureCanvas.getContext("2d");
|
||||
measureContext.font = "700 " + CAPTION_FONT_SIZE + "px Montserrat";
|
||||
|
||||
function measureWord(word) {
|
||||
return measureContext.measureText(word.text.toLowerCase()).width * FONT_WIDTH_SAFETY;
|
||||
}
|
||||
|
||||
function measureLineWidth(words) {
|
||||
return words.reduce(function (total, word, index) {
|
||||
return total + measureWord(word) + (index ? WORD_SPACING : 0);
|
||||
}, 0);
|
||||
}
|
||||
|
||||
function fitsInTwoLines(words) {
|
||||
return measureLineWidth(words) <= MAX_LINE_WIDTH * 1.8;
|
||||
}
|
||||
|
||||
function splitLines(words) {
|
||||
if (measureLineWidth(words) <= MAX_LINE_WIDTH) {
|
||||
return [{ words: words, startIndex: 0 }];
|
||||
}
|
||||
var bestSplit = Math.ceil(words.length / 2);
|
||||
var bestDiff = Infinity;
|
||||
for (var s = 1; s < words.length; s++) {
|
||||
var w1 = measureLineWidth(words.slice(0, s));
|
||||
var w2 = measureLineWidth(words.slice(s));
|
||||
if (w1 <= MAX_LINE_WIDTH && w2 <= MAX_LINE_WIDTH) {
|
||||
var diff = Math.abs(w1 - w2);
|
||||
if (diff < bestDiff) { bestDiff = diff; bestSplit = s; }
|
||||
}
|
||||
}
|
||||
var result = [];
|
||||
var line1 = words.slice(0, bestSplit);
|
||||
var line2 = words.slice(bestSplit);
|
||||
if (line1.length) result.push({ words: line1, startIndex: 0 });
|
||||
if (line2.length) result.push({ words: line2, startIndex: line1.length });
|
||||
return result;
|
||||
}
|
||||
|
||||
function makeGroups(words) {
|
||||
var groups = [];
|
||||
var current = [];
|
||||
words.forEach(function (word, index) {
|
||||
var nextWord = words[index + 1];
|
||||
var testGroup = current.concat([word]);
|
||||
if (testGroup.length > MAX_WORDS_PER_GROUP || !fitsInTwoLines(testGroup)) {
|
||||
if (current.length) groups.push(makeGroup(current));
|
||||
current = [word];
|
||||
return;
|
||||
}
|
||||
current.push(word);
|
||||
var punctuation = /[,.:!?]$/.test(word.text);
|
||||
var pause = nextWord ? nextWord.start - word.end : 0;
|
||||
if (!nextWord || punctuation || pause >= PAUSE_THRESHOLD || current.length >= MAX_WORDS_PER_GROUP) {
|
||||
groups.push(makeGroup(current));
|
||||
current = [];
|
||||
}
|
||||
});
|
||||
if (current.length) groups.push(makeGroup(current));
|
||||
return groups;
|
||||
}
|
||||
|
||||
function makeGroup(words) {
|
||||
return { words: words.slice(), lines: splitLines(words), start: words[0].start, end: words[words.length - 1].end };
|
||||
}
|
||||
|
||||
function buildCaptions(groups) {
|
||||
var stage = document.getElementById("caption-stage");
|
||||
groups.forEach(function (group, groupIndex) {
|
||||
var groupEl = document.createElement("div");
|
||||
var copyEl = document.createElement("div");
|
||||
groupEl.id = "caption-group-" + groupIndex;
|
||||
groupEl.className = "caption-group";
|
||||
copyEl.className = "caption-copy";
|
||||
group.lines.forEach(function (line, lineIndex) {
|
||||
var lineEl = document.createElement("div");
|
||||
lineEl.className = "caption-line";
|
||||
lineEl.id = "caption-group-" + groupIndex + "-line-" + lineIndex;
|
||||
lineEl.style.fontWeight = lineIndex === 0 ? FONT_WEIGHT_BOLD : FONT_WEIGHT_LIGHT;
|
||||
line.words.forEach(function (word) {
|
||||
var wordEl = document.createElement("span");
|
||||
wordEl.textContent = word.text.toLowerCase();
|
||||
lineEl.appendChild(wordEl);
|
||||
});
|
||||
copyEl.appendChild(lineEl);
|
||||
});
|
||||
groupEl.appendChild(copyEl);
|
||||
stage.appendChild(groupEl);
|
||||
});
|
||||
}
|
||||
|
||||
var WORDS = normalizeWords(TRANSCRIPT);
|
||||
var GROUPS = makeGroups(WORDS);
|
||||
buildCaptions(GROUPS);
|
||||
|
||||
window.__timelines = window.__timelines || {};
|
||||
var tl = gsap.timeline({ paused: true });
|
||||
|
||||
var visibleStarts = GROUPS.map(function (group, groupIndex) {
|
||||
var prev = GROUPS[groupIndex - 1];
|
||||
var availableGap = prev ? Math.max(0, group.start - prev.end) : ENTRY_DURATION;
|
||||
var entryLead = Math.min(ENTRY_DURATION, availableGap);
|
||||
return Math.max(0, group.start - entryLead);
|
||||
});
|
||||
|
||||
var allGroupEls = GROUPS.map(function (_, i) { return document.getElementById("caption-group-" + i); });
|
||||
|
||||
GROUPS.forEach(function (group, groupIndex) {
|
||||
var groupEl = allGroupEls[groupIndex];
|
||||
var visibleStart = visibleStarts[groupIndex];
|
||||
var visibleEnd = groupIndex < GROUPS.length - 1 ? visibleStarts[groupIndex + 1] : DURATION;
|
||||
|
||||
allGroupEls.forEach(function (otherEl, otherIndex) {
|
||||
if (otherIndex !== groupIndex) tl.set(otherEl, { opacity: 0 }, visibleStart);
|
||||
});
|
||||
|
||||
tl.set(groupEl, { opacity: 0, scale: 0.85 }, visibleStart);
|
||||
tl.to(groupEl, { opacity: 1, scale: 1, duration: ENTRY_DURATION, ease: "power3.out", force3D: true }, visibleStart);
|
||||
|
||||
if (group.lines.length === 2) {
|
||||
var line1El = document.getElementById("caption-group-" + groupIndex + "-line-0");
|
||||
var line2El = document.getElementById("caption-group-" + groupIndex + "-line-1");
|
||||
var line2FirstWord = group.lines[1].words[0];
|
||||
var switchTime = line2FirstWord.start;
|
||||
tl.to(line1El, { fontWeight: FONT_WEIGHT_LIGHT, duration: WEIGHT_TRANSITION, ease: "power2.out" }, switchTime);
|
||||
tl.to(line2El, { fontWeight: FONT_WEIGHT_BOLD, duration: WEIGHT_TRANSITION, ease: "power2.out" }, switchTime);
|
||||
}
|
||||
|
||||
tl.set(groupEl, { opacity: 0 }, visibleEnd);
|
||||
});
|
||||
|
||||
window.__timelines["weight-shift"] = tl;
|
||||
</script>
|
||||
</body>
|
||||
</html>
|
||||
@@ -0,0 +1,15 @@
|
||||
{
|
||||
"$schema": "https://hyperframes.heygen.com/schema/registry-item.json",
|
||||
"name": "caption-weight-shift",
|
||||
"type": "hyperframes:component",
|
||||
"title": "Weight Shift",
|
||||
"description": "Elegant font-weight transition between caption lines",
|
||||
"tags": ["captions", "caption-style", "minimal", "typography"],
|
||||
"files": [
|
||||
{
|
||||
"path": "caption-weight-shift.html",
|
||||
"target": "compositions/components/caption-weight-shift.html",
|
||||
"type": "hyperframes:snippet"
|
||||
}
|
||||
]
|
||||
}
|
||||
Reference in New Issue
Block a user