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Measured entry

cultui-canvas-fractal-grid

background-effectdark-futuristicmotion on file

A client-side React background effect shipped as a shadcn registry component. It renders a responsive dot field on canvas, adds pointer-driven waves, glow and optional noise or gradients, and adapts drawing density at runtime. It depends on Motion, browser canvas APIs and Tailwind utility classes.

Specimen
Motion capture of the mounted demo, recorded by the harness. No audio track.
Harness screenshot of cultui-canvas-fractal-grid at 375 pixels wide
Harness screenshot at 375 pixels wide. No horizontal overflow recorded.
Harness screenshot of cultui-canvas-fractal-grid at 768 pixels wide
Harness screenshot at 768 pixels wide. No horizontal overflow recorded.
Harness screenshot of cultui-canvas-fractal-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-canvas-fractal-grid
BuildOK
MountOK
Console errors0
Uncaught page errors0
Horizontal overflowclean at 375, 768, 1440
Axe critical0
Axe serious0
Axe moderate0
Axe minor0
Gzip marginal61.9 KB (127.3 KB build, 65.4 KB baseline)
Bare modeOK
Provider requiredNO
Demo usedwritten from the component source API

Verdict

A credible choice for an expressive hero backdrop: it built and mounted cleanly, stayed contained across the tested layouts and exposed useful visual controls. The tradeoff is meaningful dependency and rendering overhead for decoration, plus no built-in reduced-motion behavior.

Use it if

  • You need an interactive full-bleed backdrop for a hero or landing section.
  • Your design benefits from a pointer-reactive dot field with configurable color, spacing and effects.
  • Your app already supports client-rendered React components and Motion.

Skip it if

  • You need a static or very lightweight background with no continuous canvas work.
  • Your motion policy requires built-in reduced-motion handling.
  • The effect must size its drawing buffer strictly to a nested container rather than the browser viewport.
  • You want to avoid adding Motion for a decorative effect.

Install

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

Copy the client component into your project, install Motion, and provide Tailwind-compatible utility classes or translate them to your styling system. Render it only in the browser and place it inside a positioned container with an explicit size. No shadcn provider is required.

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.