Feedback & States

Like Burst

Heart dips then spring-pops into a magenta-mint gradient, firing a 96-particle synthwave burst of dots and ring shards. Auto-cycles when idle.

canvasmedium complexityintense motionclick

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Live demo — the real component, running in a sandbox. One self-contained HTML file, zero dependencies. Open it on the canvas →

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When to use it

Social feeds, reaction buttons, content-save interactions needing a dramatic particle burst on dark backgrounds.

When not to

Light backgrounds (hardcoded dark canvas). Remove auto-cycle logic before shipping in production.

Working with an AI agent

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

Change particle count from N=96 to N=64, replace SWATCH with warm tones ["#f97316","#fbbf24","#ef4444"], and slow the animation by increasing DUR from 1100 to 1600. 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

particle count (N=96)
color palette (SWATCH array)
heart scale unit (R = Math.min(W,H)*0.20)
spring damping (Math.pow(2,-7*t))
burst lifetime (DUR=1100)
auto-cycle gap (AUTO_GAP=2600)
theme tokens (:root dark defaults + [data-theme=light] overrides)

Keep intact

DPR-aware canvas sizing
visibilitychange pause/resume
IIFE wrapper
aria-live region for screen readers
theme hook (?theme= bootstrap + forever:theme message listener + theme tokens)

Known limitations

Auto-cycles by default — remove nextAuto logic for production use
Light re-theme via the [data-theme=light] token block; catalog bg/accent describe the dark default
No reduced-motion fallback beyond a single static liked-heart frame

heartlikeburstparticlessynthwavecanvasmicrointeractionfeedback

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Empty StateA Bauhaus open vessel sits empty while 26 mint motes drift in a slow orbital cloud above it; poking scatters them and they spring back to settle.