Demo drops — AI-generated visual experiments.
Built with AI (Claude Opus 5.5) using three.js, WebGPU, Blender and shaders, from historical 3D reconstructions to small canvas studies. Each card shows the prompt that made it; new drops land as they're ready.
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new Tupi — Tupinambá · Bertioga, 1554A fleet of bark canoes paddles up the Bertioga channel at dawn, c. 1554. Real-time 3D (three.js WebGPU), with cited historical research.
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001 contour-scan-01Dotted isolines of a drifting implicit field under a scanline sweep — move the pointer to warp the contours.
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002 flow-field-02Thousands of particles advected through a time-drifting curl-noise field — flick the pointer through the canvas to inject a vortex scaled by pointer velocity; trails come from alpha-fade, not per-particle history.
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003 glyph-rain-03Phosphor falling-glyph rain — columns of monospace glyphs with bright leading heads and fading tails. Hover a column to speed it up and flare it bright, with a small neighborhood boost.
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004 boids-04Reynolds flocking, ~150 boids: separation, alignment, cohesion, toroidal wrap. Move the pointer inside and the flock curves toward it.
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005 harmonograph-05A harmonograph — x and y each a sum of damped sinusoids with slightly irrational ratios, so the Lissajous figure never closes. Move the pointer to morph the frequency and phase live; the trail accumulates and slowly fades.
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006 reaction-diffusion-06Gray-Scott reaction-diffusion on a 200×150 grid — moving spots that split and mitose. Move the pointer to paint activator and seed new patterns; rendered soft via upscaled ImageData.
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007 ripple-07A 2D water surface on a 220×160 height-field grid — the classic double-buffered, damped wave equation. Click or drag to drop splashes and watch the wavefronts propagate as moving phosphor light.
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008 automaton-08A 1D elementary cellular automaton (rule 30) grown from a single center cell into chaotic, Sierpinski-like fractal rows that scroll downward forever. Paint live cells with the pointer to perturb the evolution.
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009 circuit-trace-09PCB-style autorouting — glowing traces with 45-degree bends running between edge pads, pulsed by traveling bright packets. Move the pointer to bend traces around it; click to clear and re-route the board.
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010 voronoi-drift-10A drifting Voronoi diagram drawn as dotted cell borders on a dot grid. Move the pointer inside and the nearest seed follows it, dragging its cell through the pattern.
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011 l-system-11A bracketed L-system tree growing branch by branch in phosphor light, with a glowing frontier that dims behind it. Each cycle picks a new random rule set — click to fell the tree and regrow.
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012 maze-solver-12A recursive-backtracker maze flooded by a BFS wavefront that leaves a dim phosphor wash, then the solution path traced back in bright green. Click for a fresh maze.
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013 warp-field-13Starfield warp — particles streaming from a vanishing point as speed lines, brightness and speed driven by depth. Move the pointer to steer the warp direction.
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014 orbital-bodies-14A tiny n-body toy: one heavy center mass, thirteen orbiting particles, and long-exposure trails that close into rings. Click to drop a temporary gravity well and bend the orbits.
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015 wave-interference-15Overlapping circular wave sources rendered as an interference moiré of dotted crest lines. Click to drop a new source and watch the pattern re-interfere around it.
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016 phosphor-fire-16The classic Doom fire algorithm in phosphor green — a low-res heat grid stoked from below, rendered chunky with baked-in scanlines. Move the pointer to stir the embers.