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Measured entry

cultui-bg-animated-fractal-dot-grid

background-effectdark-futuristicmotion on file

A client-side React background that draws a responsive dot field on canvas, bends it around the pointer, and layers optional glow and SVG noise over a fade-in wrapper. It ships as a shadcn registry component, depends on Motion, Tailwind-style utility classes, and browser animation and canvas APIs.

Specimen
Motion capture of the mounted demo, recorded by the harness. No audio track.
Harness screenshot of cultui-bg-animated-fractal-dot-grid at 375 pixels wide
Harness screenshot at 375 pixels wide. No horizontal overflow recorded.
Harness screenshot of cultui-bg-animated-fractal-dot-grid at 768 pixels wide
Harness screenshot at 768 pixels wide. No horizontal overflow recorded.
Harness screenshot of cultui-bg-animated-fractal-dot-grid at 1440 pixels wide
Harness screenshot at 1440 pixels wide. No horizontal overflow recorded.

Measured

Every value below was written by the harness on the run that produced the frames above. None of it is derived from the prose.

Harness measurements recorded for cultui-bg-animated-fractal-dot-grid
BuildOK
MountOK
Console errors0
Uncaught page errors0
Horizontal overflowclean at 375, 768, 1440
Axe critical0
Axe serious0
Axe moderate0
Axe minor0
Gzip marginal61.3 KB (126.7 KB build, 65.4 KB baseline)
Bare modeOK
Provider requiredNO
Demo usedwritten from the component source API

Verdict

A credible choice for an interactive hero backdrop: it builds and mounts cleanly, adapts its drawing density, and exposes useful visual controls. Adopt it with care around motion preferences and container sizing; the viewport-sized canvas and perpetual animation make it less suitable as a casual accent.

Use it if

  • You need an interactive full-bleed backdrop for a hero or landing-page section.
  • Your design benefits from configurable dot color, density, glow, noise, and wave behavior.
  • You can place it inside a positioned container and keep foreground content in a separate layer.

Skip it if

  • You need a static or reduced-motion-first background, since the source does not honor the user's motion preference.
  • You want a lightweight decorative texture without a continuous canvas loop and pointer tracking.
  • You need the effect tightly scoped to a small card, since its canvas is sized from the browser viewport.
  • You expect children passed to the component to render, because this implementation ignores them.

Install

Installation record for cultui-bg-animated-fractal-dot-grid
Declared dependenciesmotion
Missing on installnone
Bare installbuilds and mounts without the shadcn-style helpers
Providerno provider required in the harness

In a non-shadcn React project, add Motion and place the file in a client-rendered part of the app. Provide Tailwind or replace its utility classes with equivalent positioning, sizing, overflow, background, and pointer-event CSS. Give the parent a positioned box with an explicit size, and layer content above the background.

Source and credit

This page is a review, not a copy. The component source lives with its author and this site does not republish it. Read the license before you use anything.

Author repository

github.com/nolly-studio/cult-ui
License
MIT
Record published
2026-08-14

Alternatives

Other published entries for the background-effect pattern, ordered by what they measured: mounts first, then clean axe scans, then bare-mode passes, then the smaller bundle.