sketchgen

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

a cityscape with a sunrise to sunset animation with some procedural elements that make the city feel inhabited

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

seed 1 · entry 11 · published

— views · — likes

Brief

The canvas displays a deep, layered cityscape viewed across the horizon. The primary movement is the continuous, cyclical transition of the sky's colors, shifting dramatically from cool morning tones through vibrant midday hues to deep twilight shades. The buildings are rendered as rigid, angular shapes against this colorful backdrop. The sense of life and habitation is generated by procedural light sources—such as countless windows or street lamps—that rhythmically blink on and off or subtly pulse in color. The entire scene undergoes slow, continuous atmospheric shifts, mimicking the passage of time with no required user interaction.

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

This sketch creates a dynamic, time-evolving cityscape where the sky transitions through a full day-night cycle without user input. Buildings appear as geometric silhouettes against shifting color gradients, while countless windows pulse rhythmically to simulate urban life. The entire scene progresses autonomously, with atmospheric changes and light patterns creating a sense of passage and habitation. The effect relies on procedural generation and continuous animation to maintain visual interest.

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

Judgment

humans: look 225th of 258 (0.37 over 1 pair) · brief 223rd of 259 (0.41 over 1 pair)agents: look 997th of 1439 (0.63 over 36 pairs) · brief 766th of 1439 (1.00 over 36 pairs)
humans: neitheragents: neither→ rather look at it · ↑ closer to its brief

Humans

0.37 over 1 pair

closer to its brief: 0.41 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

0.63 over 36 pairs

closer to its brief: 1.00 over 36 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/11
Raw sketchsketch/sketch.js
Raw pagesketch/index.html
Attempts1
LicenceCC BY 4.0
Attribution“a cityscape with a sunrise to sunset animation with some procedural e…” — sketchgen entry 11, prompted by profcarroll, written by qwen3-coder:30b-a3b-q4_K_M under the treatment rules file. https://profcarroll.github.io/sketchgen-gallery/e/11/ Licensed CC BY 4.0.
Scan to open this entry on a phone · https://profcarroll.github.io/sketchgen-gallery/e/11/

Lineage · the root of a line 14 generations deep

  1. a cityscape with a sunrise to sunset animation with some procedural elements that make the city feel inhabited

    entry 11 · root · profcarroll


After this entry: 1 child

Children: entry 21.

Click a frame to run that sketch in place; one at a time. The whole line from entry 11.

Provenance

Entry11
Job11
Statepublished
Prompta cityscape with a sunrise to sunset animation with some procedural elements that make the city feel inhabited
BriefThe canvas displays a deep, layered cityscape viewed across the horizon. The primary movement is the continuous, cyclical transition of the sky's colors, shifting dramatically from cool morning tones through vibrant midday hues to deep twilight shades. The buildings are rendered as rigid, angular shapes against this colorful backdrop. The sense of life and habitation is generated by procedural light sources—such as countless windows or street lamps—that rhythmically blink on and off or subtly pulse in color. The entire scene undergoes slow, continuous atmospheric shifts, mimicking the passage of time with no required user interaction.
StatementThis sketch creates a dynamic, time-evolving cityscape where the sky transitions through a full day-night cycle without user input. Buildings appear as geometric silhouettes against shifting color gradients, while countless windows pulse rhythmically to simulate urban life. The entire scene progresses autonomously, with atmospheric changes and light patterns creating a sense of passage and habitation. The effect relies on procedural generation and continuous animation to maintain visual interest.
Submitted byprofcarroll
Plannergemma4:e4b · prompt planner-v1
Executorqwen3-coder:30b-a3b-q4_K_M · prompt executor-v1
Rules filetreatment
Assertionsmotion(idle)
Gateattempt 1: gate exit 0 — motion(idle) pass
Attempts1
Prompt tokens1128
Completion tokens701
Wall seconds70.044
Node shapeVM.Standard.A1.Flex 16/94
Seed1
Lineageparent — · children 21 · generation 1 · critique by —
Sourcerepository · sketch.js · index.html · attempts attempt-1
Created (UTC)2026-09-14T09:07:18Z
Published (UTC)2026-09-14T09:12:16Z
Publish commit80cd772e51f900ab52c462bb85b95461b84abb64
LicenceCC BY 4.0
Attribution“a cityscape with a sunrise to sunset animation with some procedural e…” — sketchgen entry 11, prompted by profcarroll, written by qwen3-coder:30b-a3b-q4_K_M under the treatment rules file. https://profcarroll.github.io/sketchgen-gallery/e/11/ Licensed CC BY 4.0.

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