Pointillist
Pointillist Shimmer
Up to 2600 colored dots optically mix to paint a pointillist riverbank at dusk — sky, water, and grassy bank zones shimmer via per-dot breathing sine waves.
canvasheavy complexitysubtle motion
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Worth keeping?
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When to use it
Dark-mode hero backgrounds, art/generative portfolios, ambient screensaver-style tiles where painterly texture is the aesthetic.
When not to
Light-background UIs (background hardcoded dark navy). Contexts needing text legibility — dense dot field competes with overlaid copy.
Working with an AI agent
Every component ships agent-ready metadata. An example instruction for this one:
Change the scene from riverbank to a sunset beach by shifting PAL entries: set cobalt water to [0,180,220], saffron to [255,140,0], and increase horizon to 0.52. 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
- dot density cap (target = Math.min(2600, ...))
- palette (PAL array, 9 RGB entries)
- horizon line (horizon=0.46)
- breathing speed (t*0.0013)
- buffer cap resolution (capE=560)
- theme tokens (:root dark defaults + [data-theme=light] overrides)
Keep intact
- typed-array + single putImageData blit pattern (critical for perf)
- visibilitychange pause
- reduced-motion static-frame fallback
- IIFE wrapper
- theme hook (?theme= bootstrap + forever:theme message listener + theme tokens)
Known limitations
- CPU-bound inner pixel loop — heavy on low-end devices at high dot counts
- Background color hardcoded in CSS (#0d0f14) — must edit two places to change ground color
- No pointer/touch interactivity — purely passive
More Pointillist components
- Dot AssembleThousands of colored dots scatter from off-screen and converge to paint a pointillist sunrise scene — hill, sky, and sun disc — then dissolve and loop.
- Pointillist SunsetA glowing sun sets over shimmering water rendered as colored dot lattices. Sky baked once offscreen; water dots animate with sinusoidal shimmer and sparkle.
- Stipple Flow108 colored dots drift along a curling sinusoidal flow field, leaving slow translucent trails that paint a sweeping diagonal arc with divisionist…
- Divisionist Tree2600 orange, blue, and magenta dots form a tree canopy using additive pixel-splat blending; dots vibrate with staggered sine-phase for optical color mixing.
- Density WaveA density wave sweeps left to right revealing a Divisionist sunset — sky, sun disc, and sea rendered as jittered pigment dots that optically mix at distance.
- Halftone BloomColored dots bloom radially from center, optically mixing amber, magenta, and teal into a glowing flower. Slow ripple breathes through the dot grid.