Install
That writes one file:compositions/editorial-flash-overlay.html.
Add it to your video
It runs for 4 seconds at 1920×1080. Paste this into your composition:index.html
<div
data-composition-id="editorial-flash-overlay"
data-composition-src="compositions/editorial-flash-overlay.html"
data-start="0"
data-duration="4"
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
editorial-flash-overlay.html
editorial-flash-overlay.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>
*,
*::before,
*::after {
box-sizing: border-box;
}
html,
body {
width: 1920px;
height: 1080px;
margin: 0;
overflow: hidden;
background: transparent;
}
#ef-flash {
--hf-editorial-flash-wash: 255 253 250;
--hf-editorial-flash-warm: 255 174 105;
--hf-editorial-flash-cool: 183 218 255;
position: absolute;
inset: -12%;
overflow: hidden;
pointer-events: none;
}
#ef-flash .ef-layer {
position: absolute;
inset: 0;
opacity: 0;
will-change: opacity, transform;
}
#ef-wash {
background: rgb(var(--hf-editorial-flash-wash));
}
#ef-core {
inset: -18%;
background: radial-gradient(
ellipse 68% 92% at 37% 47%,
rgb(255 255 255) 0%,
rgb(255 255 255 / 98%) 20%,
rgb(var(--hf-editorial-flash-wash) / 86%) 45%,
rgb(var(--hf-editorial-flash-warm) / 32%) 67%,
transparent 86%
);
mix-blend-mode: screen;
transform-origin: 38% 48%;
}
#ef-sweep {
inset: -28%;
background: linear-gradient(
108deg,
transparent 21%,
rgb(var(--hf-editorial-flash-warm) / 10%) 38%,
rgb(var(--hf-editorial-flash-wash) / 90%) 49%,
rgb(255 255 255 / 98%) 53%,
rgb(var(--hf-editorial-flash-cool) / 24%) 62%,
transparent 79%
);
mix-blend-mode: screen;
}
</style>
</head>
<body>
<div
id="editorial-flash-overlay"
data-composition-id="editorial-flash-overlay"
data-start="0"
data-duration="4"
data-width="1920"
data-height="1080"
>
<div id="ef-flash" aria-hidden="true">
<div id="ef-wash" class="ef-layer"></div>
<div id="ef-core" class="ef-layer" data-layout-allow-overflow></div>
<div id="ef-sweep" class="ef-layer" data-layout-allow-overflow></div>
</div>
</div>
<script>
window.__timelines = window.__timelines || {};
var flash = document.getElementById("ef-flash");
var host = flash && flash.closest("[data-composition-id]");
if (!host) throw new Error("Editorial Flash could not find its composition host");
var compositionId = host.getAttribute("data-composition-id");
var duration = Number(host.getAttribute("data-duration")) || 4;
var hit = Math.max(0.12, duration * 0.58);
var tl = gsap.timeline({ paused: true });
tl.to({}, { duration: duration, ease: "none" }, 0);
tl.to("#ef-wash", { opacity: 0.92, duration: 0.04, ease: "power4.in" }, hit);
tl.fromTo(
"#ef-core",
{ opacity: 0, scale: 0.86, rotation: -5 },
{ opacity: 1, scale: 1, rotation: -5, duration: 0.05, ease: "power4.in" },
hit - 0.01,
);
tl.fromTo(
"#ef-sweep",
{ opacity: 0, xPercent: -12, rotation: -2 },
{ opacity: 0.9, xPercent: 8, rotation: -2, duration: 0.04, ease: "power4.in" },
hit,
);
tl.to("#ef-wash", { opacity: 0, duration: 0.18, ease: "power3.out" }, hit + 0.04);
tl.to(
"#ef-core",
{ opacity: 0, scale: 1.18, rotation: -5, duration: 0.34, ease: "power2.out" },
hit + 0.04,
);
tl.to(
"#ef-sweep",
{ opacity: 0, xPercent: 28, rotation: -2, duration: 0.3, ease: "power2.out" },
hit + 0.04,
);
window.__timelines[compositionId] = tl;
</script>
</body>
</html>
flash editorial social light transition overlay media-treatment-overlay.