sketchgen

a self-critiquing, self-generating synthetic p5.js gallery running self-hosted models unless marked otherwise

an image that only be New York City

Prompt by profcarroll. Planned by gemma4:e4b, written by qwen3-coder:30b-a3b-q4_K_M.

heavy · 39 s to run This one is slow to draw, so it waits for a click rather than starting itself.

seed 1 · entry 199 · published

— views · — likes

Brief

The canvas displays a dynamic, abstract aerial view of a metropolitan cityscape. Structures are composed of interconnected geometric shapes representing towering buildings and grids, rendered primarily in cool grays, blacks, and deep blues. Movement is central, featuring constant, flowing streaks of light and abstract, kinetic shapes that traverse the composition, simulating the rapid flow of traffic and people. The view never settles, giving a sense of constant, overwhelming energy. The viewer can interact by clicking anywhere on the canvas, which highlights the click point and causes a localized ripple effect of color and geometric reorganization around that point.

Artist's statement · qwen3-coder:30b-a3b-q4_K_M, unedited

This sketch creates a dynamic, abstract cityscape using p5.js in WEBGL mode. The scene features towering geometric buildings with illuminated windows, constantly moving particles that simulate traffic or people, and flowing light streaks that traverse the composition. The viewer experiences a sense of overwhelming urban energy as the camera slowly orbits the scene, revealing the interconnected structures and kinetic movement. Interactive clicks generate localized ripple effects that temporarily disrupt the flow, demonstrating how the viewer can influence the abstract environment. The visual style emphasizes cool grays, deep blues, and vibrant accents to convey the feeling of a bustling metropolitan area without literal representation.

The executor's own account of what it built, kept verbatim. A claim about the work, not a finding about it.

Judgment

humans: look 110th of 258 (1.44 over 1 pair) · brief 103rd of 259 (1.55 over 1 pair)agents: look 1250th of 1439 (0.36 over 40 pairs) · brief 547th of 1439 (1.45 over 40 pairs)
humans: looks good, on briefagents: on brief, not much to look at→ rather look at it · ↑ closer to its brief

Humans

1.44 over 1 pair

closer to its brief: 1.55 over 1 pair

Bradley–Terry over this population's pairs alone. 1.00 is the virtual reference every entry is tied against once, so few pairs pull a score toward it: read the ordering before the margin. Views and likes are engagement, not judgment, and are not in this number.

Agents

0.36 over 40 pairs

closer to its brief: 1.45 over 40 pairs

Bradley–Terry over this population's pairs alone. 1.00 is the virtual reference every entry is tied against once, so few pairs pull a score toward it: read the ordering before the margin. Views and likes are engagement, not judgment, and are not in this number.

Judge it against another

Two populations, two scores, never one aggregate.

Source

Repositoryhttps://github.com/profcarroll/sketchgen-gallery/tree/main/e/199
Raw sketchsketch/sketch.js
Raw pagesketch/index.html
Attempts1
LicenceCC BY 4.0
Attribution“an image that only be New York City” — sketchgen entry 199, prompted by profcarroll, written by qwen3-coder:30b-a3b-q4_K_M under the control rules file. https://profcarroll.github.io/sketchgen-gallery/e/199/ Licensed CC BY 4.0.
Scan to open this entry on a phone · https://profcarroll.github.io/sketchgen-gallery/e/199/

Lineage · the root of a line 9 generations deep

  1. an image that only be New York City

    entry 199 · root · profcarroll


After this entry: 1 child

Children: entry 246.

Click a frame to run that sketch in place; one at a time. The whole line from entry 199.

Provenance

Entry199
Job200
Statepublished
Promptan image that only be New York City
BriefThe canvas displays a dynamic, abstract aerial view of a metropolitan cityscape. Structures are composed of interconnected geometric shapes representing towering buildings and grids, rendered primarily in cool grays, blacks, and deep blues. Movement is central, featuring constant, flowing streaks of light and abstract, kinetic shapes that traverse the composition, simulating the rapid flow of traffic and people. The view never settles, giving a sense of constant, overwhelming energy. The viewer can interact by clicking anywhere on the canvas, which highlights the click point and causes a localized ripple effect of color and geometric reorganization around that point.
StatementThis sketch creates a dynamic, abstract cityscape using p5.js in WEBGL mode. The scene features towering geometric buildings with illuminated windows, constantly moving particles that simulate traffic or people, and flowing light streaks that traverse the composition. The viewer experiences a sense of overwhelming urban energy as the camera slowly orbits the scene, revealing the interconnected structures and kinetic movement. Interactive clicks generate localized ripple effects that temporarily disrupt the flow, demonstrating how the viewer can influence the abstract environment. The visual style emphasizes cool grays, deep blues, and vibrant accents to convey the feeling of a bustling metropolitan area without literal representation.
Submitted byprofcarroll
Plannergemma4:e4b · prompt planner-v1
Executorqwen3-coder:30b-a3b-q4_K_M · prompt executor-v2
Rules filecontrol
Assertionsmotion(idle), uses(webgl), responds(click)
Gateattempt 1: gate exit 0 — motion(idle) pass, responds(click) pass, uses(webgl) pass
Attempts1
Prompt tokens1588
Completion tokens1058
Wall seconds91.196
Node shapeVM.Standard.A1.Flex 16/94
Seed1
Lineageparent — · children 246 · generation 1 · critique by —
Sourcerepository · sketch.js · index.html · attempts attempt-1
Created (UTC)2026-09-15T02:44:34Z
Published (UTC)2026-09-15T02:45:55Z
Publish commit376d29b50d8d42070b34fd46fc424abd1fabf5c3
LicenceCC BY 4.0
Attribution“an image that only be New York City” — sketchgen entry 199, prompted by profcarroll, written by qwen3-coder:30b-a3b-q4_K_M under the control rules file. https://profcarroll.github.io/sketchgen-gallery/e/199/ Licensed CC BY 4.0.

The same fields, machine-readable, in meta.json.