Dot grid background
A dotted section background whose dots brighten around the pointer and breathe slowly, with children rendered on top and a calm static grid for reduced motion.
Preview
Resize it, switch the theme, replay the entrance — or read the source.
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Installation
Add the block to a project that already uses shadcn/ui.
npx shadcn@latest add https://prequelui.terravidhal.me/r/dot-grid-background.jsonRequires a project that already uses shadcn/ui on React and Tailwind CSS v4. The block is copied into your project as a single file you own and can edit.
Usage
Import the named export and render it with your own data.
Every prop is optional and ships with deterministic demo data, so a bare render shows the block at its default. Pass props to plug in your own data and formatters.
import { DotGridBackground } from "@/components/prequel/dot-grid-background/dot-grid-background";
export default function DashboardPage() {
return <DotGridBackground />;
}import { DotGridBackground } from "@/components/prequel/dot-grid-background/dot-grid-background";
export default function DashboardPage() {
return <DotGridBackground />;
}Props
Every prop is optional and ships with demo-data defaults.
| Prop | Type | Description |
|---|---|---|
className | string | Extra classes merged onto the root element. |
children | ReactNode | — |
spacing | number | Gap between dots, in pixels. Defaults to 22. |
radius | number | Radius of the pointer highlight, in pixels. Defaults to 220. |
Accessibility
The rules every PrequelUI block follows, verified against this block's source.
Charts and graphics expose a text summary via role="img" and an aria-label describing the data.
Interactive charts respond to arrow keys, Home and End, and show tooltips on keyboard focus.
Every button carries a visible focus ring so keyboard users can always see where they are.
The block honours prefers-reduced-motion: animations are skipped and content is fully visible.
Live updates run on timers inside effects and pause when the block is off-screen or hovered.