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

Revise: the same cyclical atmospheric changes and bioluminescence, and this time the pulsing light casts visible, distinct projections onto the wet architectural surfaces. gemma4 · generation 4 · 3 earlier revisions in the lineage below

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

seed 1 · entry 52 · published

— views · — likes

Brief

The canvas presents a sprawling, angular cityscape that undergoes a constant atmospheric cycle from dawn to dusk and beyond. The scene is defined by rigid architectural structures rendered with highly reflective, wet surfaces that dramatically catch and shift the changing light. As the sun cycles, the color palette shifts throughout the sky and buildings. During twilight, the atmosphere is punctuated by bioluminescent plant life that pulses with light, casting visible and distinct, shifting color projections across the damp, surrounding stone and metal structures.

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

This sketch creates an ever-changing urban landscape that evolves through a complete atmospheric cycle. The scene features towering angular buildings with reflective, wet surfaces that respond dynamically to shifting light conditions as the sun moves across the sky. The color palette transitions smoothly from dawn's warm hues to dusk's cool tones, while bioluminescent plant life pulses gently throughout the environment, casting colorful projections onto the damp architectural structures. The entire scene operates autonomously through time-based animation, with no external input required, creating a continuous visual narrative of urban life under changing atmospheric conditions.

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

Judgment

humans: look 232nd of 258 (0.34 over 3 pairs) · brief 251st of 259 (0.23 over 3 pairs)agents: look 298th of 1439 (2.10 over 36 pairs) · brief 1197th of 1439 (0.37 over 36 pairs)
humans: neitheragents: looks good, misses the brief→ rather look at it · ↑ closer to its brief

Humans

0.34 over 3 pairs

closer to its brief: 0.23 over 3 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.

Agents

2.10 over 36 pairs

closer to its brief: 0.37 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/52
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 52, prompted by profcarroll, written by qwen3-coder:30b-a3b-q4_K_M under the treatment rules file. https://profcarroll.github.io/sketchgen-gallery/e/52/ Licensed CC BY 4.0.
Scan to open this entry on a phone · https://profcarroll.github.io/sketchgen-gallery/e/52/

Lineage · generation 4 of 14 in the line from entry 11

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

    entry 11 · root · profcarroll

  2. Revise: The same atmospheric cycles, and this time add small, organic plant life growing between the rigid angular structures

    entry 21 · generation 1 · gemma4

  3. Revise: the same cyclical changes of day and night, and this time add highly reflective wet surfaces to the structures catching the changing light.

    entry 27 · generation 2 · gemma4

  4. Revise: the same atmospheric cycles and reflections, and this time add bioluminescent plant life that pulses with the twilight.

    entry 42 · generation 3 · gemma4

  5. Revise: the same cyclical atmospheric changes and bioluminescence, and this time the pulsing light casts visible, distinct projections onto the wet architectural surfaces.

    entry 52 · generation 4 · gemma4


After this entry: 1 child

Children: entry 78.

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

Provenance

Entry52
Job53
Statepublished
Prompta cityscape with a sunrise to sunset animation with some procedural elements that make the city feel inhabited Revise: The same atmospheric cycles, and this time add small, organic plant life growing between the rigid angular structures Revise: the same cyclical changes of day and night, and this time add highly reflective wet surfaces to the structures catching the changing light. Revise: the same atmospheric cycles and reflections, and this time add bioluminescent plant life that pulses with the twilight. Revise: the same cyclical atmospheric changes and bioluminescence, and this time the pulsing light casts visible, distinct projections onto the wet architectural surfaces.
BriefThe canvas presents a sprawling, angular cityscape that undergoes a constant atmospheric cycle from dawn to dusk and beyond. The scene is defined by rigid architectural structures rendered with highly reflective, wet surfaces that dramatically catch and shift the changing light. As the sun cycles, the color palette shifts throughout the sky and buildings. During twilight, the atmosphere is punctuated by bioluminescent plant life that pulses with light, casting visible and distinct, shifting color projections across the damp, surrounding stone and metal structures.
StatementThis sketch creates an ever-changing urban landscape that evolves through a complete atmospheric cycle. The scene features towering angular buildings with reflective, wet surfaces that respond dynamically to shifting light conditions as the sun moves across the sky. The color palette transitions smoothly from dawn's warm hues to dusk's cool tones, while bioluminescent plant life pulses gently throughout the environment, casting colorful projections onto the damp architectural structures. The entire scene operates autonomously through time-based animation, with no external input required, creating a continuous visual narrative of urban life under changing atmospheric conditions.
Submitted byprofcarroll
Plannergemma4:e4b · prompt planner-v1
Executorqwen3-coder:30b-a3b-q4_K_M · prompt executor-v1
Rules filetreatment
Assertionsmotion(idle), uses(webgl)
Gateattempt 1: gate exit 0 — motion(idle) pass, uses(webgl) pass
Attempts1
Prompt tokens1136
Completion tokens998
Wall seconds77.658
Node shapeVM.Standard.A1.Flex 16/94
Seed1
Lineageparent 42 · children 78 · generation 4 · critique by gemma4:e4b
Sourcerepository · sketch.js · index.html · attempts attempt-1
Created (UTC)2026-09-14T16:27:16Z
Published (UTC)2026-09-14T16:42:39Z
Publish commitf6c8e1378eac20943d0e80a58e0b5ac46532ffe2
LicenceCC BY 4.0
Attribution“a cityscape with a sunrise to sunset animation with some procedural e…” — sketchgen entry 52, prompted by profcarroll, written by qwen3-coder:30b-a3b-q4_K_M under the treatment rules file. https://profcarroll.github.io/sketchgen-gallery/e/52/ Licensed CC BY 4.0.

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