Pointillist Dot-Field Studies
The Parasol
A parasol silhouette of colored dots slowly spins; dome segments cycle through pointillist's orange, violet, green, and sky-blue palette.
canvasmedium complexitysubtle motion
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Worth keeping?
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When to use it
Ambient art-theme backgrounds, museum or gallery digital signage, decorative hero sections with a painterly aesthetic.
When not to
Contexts needing user interaction or clear text overlays — the spin and dot texture compete with legible content.
Working with an AI agent
Every component ships agent-ready metadata. An example instruction for this one:
Change spin speed from 0.35 to 0.7 in draw() (t*0.35), swap RGB.orange to [200,80,80] for a red segment, increase dome dot radius r from 1.9 to 2.5. 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
- spin speed (t*0.35)
- segment color palette (segCols array)
- dot radius per type (r=1.9 dome, r=1.6 stick)
- parasol scale (Math.min(W,H)*0.42)
- ring density (ring+=0.085)
- rib count (RIBS=8)
- theme tokens (:root dark defaults + [data-theme=light] overrides)
Keep intact
- IIFE wrapper
- prefers-reduced-motion guard (REDUCED static fallback)
- visibilitychange pause/resume
- DPR-aware canvas sizing
- theme hook (?theme= bootstrap + forever:theme message listener + theme tokens)
Known limitations
- Reduced-motion shows a fixed frame at spin=0.25 — parasol orientation is hardcoded for that state
- Background color is hardcoded in both CSS and canvas fillRect — must change in two places
More Pointillist Dot-Field Studies components
- Pointillist RevealColored dots scatter then assemble into a pointillist seashore — sail and parasol silhouettes — hold, dissolve, and repeat in an 11s loop.
- Optical MixingA hex grid of orange and sky-blue dots slowly fuse toward their averaged hue and separate again, demonstrating divisionist optical mixing on cream background.
- Stipple PainterAn invisible brush drifts a Lissajous path, laying colored dots on a warm cream canvas in a slow pointillist build-up inspired by pointillist.
- Dot Density GradientStippled dots encode luminance via density; a sine-driven light band sweeps the field, shifting hues between orange, green, and violet zones.
- Afternoon LightA diagonal light band sweeps a pointillist dot grid; dots shift from violet/sky-blue to orange/green as sunlight passes, then settle back.
- Complementary ShimmerGrid of orange-blue and green-violet dot pairs trembles out of phase, creating optical shimmer through simultaneous contrast. Motion lives in the eye.