Files
hyperframes/registry/components/grain-overlay/grain-overlay.html
James Russo 9943091247 feat(registry): seed transition blocks — 14 shader + 14 CSS showcase (#270)
## What

Add 28 transition blocks from the Hyperframe Template Structure catalog, bringing the registry to 53 total items.

### Shader transitions (14 blocks, WebGL, 4s each)
`domain-warp-dissolve`, `ridged-burn`, `whip-pan`, `sdf-iris`, `ripple-waves`, `gravitational-lens`, `cinematic-zoom`, `chromatic-radial-split`, `glitch`, `swirl-vortex`, `thermal-distortion`, `flash-through-white`, `cross-warp-morph`, `light-leak`

### CSS transition showcases (14 blocks, various durations)
`transitions-3d`, `transitions-blur`, `transitions-cover`, `transitions-destruction`, `transitions-dissolve`, `transitions-distortion`, `transitions-grid`, `transitions-light`, `transitions-mechanical`, `transitions-other`, `transitions-push`, `transitions-radial`, `transitions-scale`, `transitions-shader`

## Why

Phase D content accumulation. Transitions are the most-requested category for the catalog.

## How

- Shader transitions extracted from `shader-showcase.zip`, each a standalone HTML with WebGL shaders
- CSS transitions extracted from `showcase-bundle.zip`, each a standalone showcase page
- All tagged with `transition` + `shader` or `showcase` for catalog grouping
- Preview thumbnails generated for all 28 blocks
- Catalog pages + index regenerated

## Test plan

- [x] All 28 blocks produce preview thumbnails
- [x] `registry-item.json` validates for all blocks
- [x] Catalog pages generated (45 total items in catalog-index.json)
- [x] `oxfmt --check` passes
2026-04-14 16:32:27 -07:00

76 lines
1.8 KiB
HTML
Vendored

<!--
Grain Overlay — animated film grain texture.
Usage: paste this snippet into your composition's HTML.
The overlay covers the full viewport with pointer-events: none
so it sits on top of all content without blocking interaction.
Customize:
- opacity: adjust .grain-texture opacity (default 0.15)
- speed: change animation duration (default 0.5s)
- texture: swap the background URL for a different pattern
- z-index: adjust #grain-overlay z-index to layer correctly
-->
<div
id="grain-overlay"
style="
position: absolute;
top: 0;
left: 0;
width: 100%;
height: 100%;
pointer-events: none;
z-index: 100;
"
>
<div class="grain-texture"></div>
</div>
<style>
@keyframes hf-grain-noise {
0%,
100% {
transform: translate(0, 0);
}
10% {
transform: translate(-5%, -5%);
}
20% {
transform: translate(-10%, 5%);
}
30% {
transform: translate(5%, -10%);
}
40% {
transform: translate(-5%, 15%);
}
50% {
transform: translate(-10%, 5%);
}
60% {
transform: translate(15%, 0);
}
70% {
transform: translate(0, 10%);
}
80% {
transform: translate(-15%, 0);
}
90% {
transform: translate(10%, 5%);
}
}
#grain-overlay .grain-texture {
position: absolute;
top: -50%;
left: -50%;
width: 200%;
height: 200%;
background: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.65' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");
opacity: 0.15;
animation: hf-grain-noise 0.5s steps(1) infinite;
}
</style>