Install
That writescompositions/hw-title.html, plus 1 supporting file under assets/fonts/.
Add it to your video
It runs for 6 seconds at 1920×1080. Paste this into your composition:index.html
<div
data-composition-id="hw-title"
data-composition-src="compositions/hw-title.html"
data-start="0"
data-duration="6"
data-track-index="1"
data-width="1920"
data-height="1080"
></div>
data-start. Put it on a different timeline row with
data-track-index. See data attributes for the rest.
Source
hw-title.html
hw-title.html
<!doctype html>
<html lang="en">
<head>
<meta charset="utf-8" />
<script src="https://cdn.jsdelivr.net/npm/gsap@3.14.2/dist/gsap.min.js"></script>
<style>
@font-face {
font-family: "Caveat";
src: url("assets/fonts/Caveat-700-latin.woff2") format("woff2");
font-weight: 700;
font-display: block;
}
*,
*::before,
*::after {
margin: 0;
padding: 0;
box-sizing: border-box;
}
body {
background: transparent;
overflow: hidden;
}
#hw-t-root {
/* ---- hw tokens ---- */
--hw-font-print: "Caveat", cursive;
--hw-font-script: "Caveat", cursive;
--hw-ink: #f4f2ec;
--hw-ink-dark: #26241f;
--hw-accent-warm: #ffb020;
position: relative;
width: 1920px;
height: 1080px;
overflow: hidden;
background: transparent; /* overlays footage or a board */
font-family: var(--hw-font-print, "Caveat", cursive);
}
#hw-t-wrap {
position: absolute;
pointer-events: none;
}
#hw-t-line {
font-weight: 700;
line-height: 1.1;
white-space: nowrap;
text-shadow: 0 2px 18px rgba(0, 0, 0, 0.4);
}
#hw-t-line .w {
display: inline;
}
#hw-t-under {
overflow: visible;
display: block;
}
#hw-t-under path {
fill: none;
stroke: var(--hw-accent-warm);
stroke-width: 7;
stroke-linecap: round;
}
</style>
</head>
<body>
<div
id="hw-t-root"
data-composition-id="hw-title"
data-start="0"
data-duration="6"
data-width="1920"
data-height="1080"
>
<div id="hw-t-wrap">
<div id="hw-t-line"></div>
<svg id="hw-t-under" width="10" height="34"><path id="hw-t-under-path"></path></svg>
</div>
<div
id="hw-t-drv"
class="clip"
data-start="0"
data-duration="6"
data-track-index="0"
style="position: absolute; width: 1px; height: 1px; opacity: 0; pointer-events: none"
></div>
</div>
<script>
(function () {
window.__timelines = window.__timelines || {};
/* ---- published parameters ----
Handwritten title with the highlight-sweep scalar (the shared
mk-callout-highlight mechanic) + squiggle underline + the boil.
Demonstrates the dispatcher composing sweep + boil on one
timeline (learning: one onUpdate — everything through hwOnUpdate). */
var CONFIG = {
text: "shine like the star you are",
fontSize: 120,
scheme: "chalk", // "chalk" (white, over footage) | "ink" (dark, boards)
sweep: { enabled: true, start: 0.8, end: 3.2 },
underline: { enabled: true, wobble: 6 },
boil: { enabled: true, amp: 1.4, rot: 0.3, frameDrop: 3 },
seed: 8,
x: null, // null = centered
y: null,
animationIn: true,
animationOut: true,
};
var DUR = 6;
function clamp(v, lo, hi) {
return Math.min(hi, Math.max(lo, v));
}
var IN = clamp(DUR * 0.08, 0.3, 0.8);
var OUT = clamp(DUR * 0.06, 0.25, 0.6);
/* hw family runtime */
window.hwOnUpdate = function (tl, fn) {
if (!tl.__hwRenders) {
tl.__hwRenders = [];
tl.eventCallback("onUpdate", function () {
for (var i = 0; i < tl.__hwRenders.length; i++) tl.__hwRenders[i]();
});
}
tl.__hwRenders.push(fn);
fn();
};
window.hwHash = function (n, seed) {
var x = Math.sin(n * 127.1 + (seed || 1) * 311.7) * 43758.5453;
return (x - Math.floor(x)) * 2 - 1;
};
window.hwBoil = function (tl, target, opts) {
opts = opts || {};
var amp = opts.amp !== undefined ? opts.amp : 1.6;
var rot = opts.rot !== undefined ? opts.rot : 0.5;
var fps = opts.fps || 30;
var drop = opts.frameDrop || 3;
var seed = opts.seed || 1;
var els = gsap.utils.toArray(target);
window.hwOnUpdate(tl, function () {
var step = Math.floor((tl.time() * fps) / drop);
for (var i = 0; i < els.length; i++) {
gsap.set(els[i], {
x: window.hwHash(step * 3 + i * 97, seed) * amp,
y: window.hwHash(step * 3 + 1 + i * 97, seed) * amp,
rotation: (opts.baseRot || 0) + window.hwHash(step * 3 + 2 + i * 97, seed) * rot,
});
}
});
};
var FULL = CONFIG.scheme === "ink" ? "#26241f" : "#f4f2ec";
var FAINT = CONFIG.scheme === "ink" ? "rgba(38,36,31,0.3)" : "rgba(244,242,236,0.32)";
var wrap = document.getElementById("hw-t-wrap");
var line = document.getElementById("hw-t-line");
line.style.fontSize = CONFIG.fontSize + "px";
/* word spans */
var wordEls = [];
CONFIG.text.split(/\s+/).forEach(function (w, i) {
if (i > 0) line.appendChild(document.createTextNode(" "));
var span = document.createElement("span");
span.className = "w";
span.textContent = w;
span.style.color = CONFIG.sweep.enabled ? FAINT : FULL;
line.appendChild(span);
wordEls.push(span);
});
/* measure + position; build squiggle underline to match width */
var rect = line.getBoundingClientRect();
wrap.style.left =
(CONFIG.x === null ? Math.round((1920 - rect.width) / 2) : CONFIG.x) + "px";
wrap.style.top =
(CONFIG.y === null ? Math.round((1080 - rect.height) / 2) - 20 : CONFIG.y) + "px";
var underPath = document.getElementById("hw-t-under-path");
if (CONFIG.underline.enabled) {
var uw = Math.round(rect.width);
var svg = document.getElementById("hw-t-under");
svg.setAttribute("width", uw);
svg.setAttribute("viewBox", "0 0 " + uw + " 34");
var segs = Math.max(6, Math.round(uw / 90));
var d = "M 2 " + (16 + window.hwHash(0, CONFIG.seed) * 4).toFixed(1);
for (var i = 1; i <= segs; i++) {
var x = (uw / segs) * i;
var y = 16 + window.hwHash(i * 5 + 1, CONFIG.seed) * CONFIG.underline.wobble;
var cxp = x - uw / segs / 2 + window.hwHash(i * 5 + 2, CONFIG.seed) * 10;
var cyp = 16 + (i % 2 ? -1 : 1) * (8 + window.hwHash(i * 5 + 3, CONFIG.seed) * 4);
d +=
" Q " +
cxp.toFixed(1) +
" " +
cyp.toFixed(1) +
" " +
x.toFixed(1) +
" " +
y.toFixed(1);
}
underPath.setAttribute("d", d);
} else {
document.getElementById("hw-t-under").style.display = "none";
}
var tl = gsap.timeline({ paused: true });
if (CONFIG.animationIn) {
gsap.set(wrap, { opacity: 0 });
tl.to(wrap, { opacity: 1, duration: IN, ease: "power2.out" }, 0.1);
}
/* the sweep scalar — registered through the dispatcher so it
coexists with the boil on the same timeline */
if (CONFIG.sweep.enabled) {
var mix = gsap.utils.interpolate(FAINT, FULL);
var st = { p: 0 };
window.hwOnUpdate(tl, function () {
var k = st.p * wordEls.length;
for (var i = 0; i < wordEls.length; i++) {
var f = Math.max(0, Math.min(1, k - i));
wordEls[i].style.color = mix(f);
}
});
tl.to(
st,
{ p: 1, duration: CONFIG.sweep.end - CONFIG.sweep.start, ease: "none" },
CONFIG.sweep.start,
);
}
/* underline draws as the sweep lands */
if (CONFIG.underline.enabled) {
var len = underPath.getTotalLength();
gsap.set(underPath, { strokeDasharray: len, strokeDashoffset: len });
var uAt = CONFIG.sweep.enabled ? CONFIG.sweep.end - 0.2 : 0.8;
tl.to(underPath, { strokeDashoffset: 0, duration: 0.7, ease: "power2.inOut" }, uAt);
}
if (CONFIG.boil.enabled) {
window.hwBoil(tl, "#hw-t-wrap", {
amp: CONFIG.boil.amp,
rot: CONFIG.boil.rot,
frameDrop: CONFIG.boil.frameDrop,
seed: CONFIG.seed,
});
}
if (CONFIG.animationOut) {
tl.to(wrap, { opacity: 0, duration: OUT, ease: "power2.in" }, DUR - OUT - 0.05);
}
tl.set("#hw-t-root", { visibility: "hidden" }, DUR - 0.02);
window.__timelines["hw-title"] = tl;
})();
</script>
</body>
</html>
handwritten typography title-card overlay.