Fx Starfield

A slow drifting starfield — a calm cosmic backdrop. A bold, canvas-based effect from Open Design's html-ppt fx pack — for slides and launch videos. Guards prefers-reduced-motion (does not start). One per screen; on web use sparingly.

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Starfield

A slow drifting starfield — a calm cosmic backdrop. From Open Design's html-ppt fx pack (Apache-2.0). Part of motion-anything; obeys MOTION-SPEC.md.

When to use it

  • Title cards, section breaks, or hero moments in slides / launch videos.

When NOT to use it (restraint)

  • Web body content or anything needing focused reading. Never more than one bold effect at once.

How to apply

  1. Copy starfield.js and _util.js and link them.
  2. Add data-fx="starfield" to a positioned container; call HPX['starfield'](el) (guard prefers-reduced-motion).

Accessibility & performance

  • Guard with prefers-reduced-motion (don't start). Canvas-based; isolated compositing layer.

xpert-ai/xpert-plugins/tree/main/xpertai/apps/motion/assets/upstream/recipes/slides/fx-starfield commit 8517c2f66f

Frequently asked questions

npx skillmds@latest add xpert-ai/fx-starfield