∞ forever components

UI Micro-interactions

Star Rating Cascade

Five gold stars fill left-to-right in a staggered cascade with squash-pop scaling and sparkle flicks off each tip, then drain in reverse and repeat.

canvasmedium complexitymoderate motionclick

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When to use it

Rating confirmations, review submission feedback, onboarding success moments on dark backgrounds.

When not to

Light-background UIs (background hardcoded dark amber). Interactive rating pickers — this is display-only; click only restarts the loop.

Working with an AI agent

Every component ships agent-ready metadata. An example instruction for this one:

Change star count to 3, increase STAGGER to 18 for a slower cascade, and set GOLD to '#FF6B6B' for a red-heart rating variant. Theme: dark tokens live in :root, the light variant in :root[data-theme="light"]; ?theme=light or a {type:'forever:theme'} postMessage switches at runtime.

Safe to edit

  • star count (stars array length + loop bounds)
  • cascade speed (STAGGER=12, FILL=26)
  • hold duration (HOLD=130)
  • gold color (GOLD='#FBBF24')
  • star radius (R=gap*0.40)
  • squash/stretch amounts (0.18, 0.26 sin coefficients)
  • theme tokens (:root dark defaults + [data-theme=light] overrides)

Keep intact

  • DPR-aware canvas sizing
  • IIFE wrapper
  • visibilitychange pause/resume
  • prefers-reduced-motion static fallback (all stars filled)
  • theme hook (?theme= bootstrap + forever:theme message listener + theme tokens)

Known limitations

  • Light re-theme via the [data-theme=light] token block; catalog bg/accent describe the dark default
  • Click resets the cascade but does not support interactive per-star selection
  • No reduced-motion fallback animation — shows static filled state only

starsratingcascadecanvasmicrointeractiongoldui-control

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