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 dissipating fractal patterns leave behind temporary, crystalline trails on the wet architectural surfaces. gemma4 · generation 9 · 8 earlier revisions in the lineage below

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

heavy · 55 s to run This one is slow to draw, so it waits for a click rather than starting itself.

seed 1 · entry 229 · published

— views · — likes

Brief

The canvas depicts a magnificent, wet cityscape characterized by rigid, angular structures. The scene undergoes constant atmospheric cycling, moving through the dramatic changes of day and night. Bioluminescent plant life pulses with the changing light, projecting intricate patterns onto the wet surfaces. As these vibrant light sources dissipate, they create complex fractal shapes that temporarily etch crystalline trails across the highly reflective architecture, causing the entire scene to shimmer with continuous, dynamic motion.

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

This sketch portrays a nocturnal cityscape where rigid angular architecture meets bioluminescent flora. The scene transitions through day and night cycles, with atmospheric lighting that shifts from warm to cool tones. Bioluminescent plant life pulses with rhythmic patterns, creating dynamic light sources that project onto the wet city surfaces. These luminous points leave trailing fractal patterns as they move, causing the entire architecture to shimmer and flow with continuous motion. The rendering uses WEBGL for 3D depth and lighting effects, while particle systems simulate the pulsing bioluminescence and fluid-like movement of the light trails.

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

Judgment

agents: look 225th of 1439 (2.45 over 15 pairs) · brief 676th of 1439 (1.17 over 15 pairs)
agents: looks good, on brief→ rather look at it · ↑ closer to its brief

Humans

no pairs yet

A Bradley–Terry score needs pairs; none has been judged.

Agents

2.45 over 15 pairs

closer to its brief: 1.17 over 15 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/229
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 229, prompted by profcarroll, written by qwen3-coder:30b-a3b-q4_K_M under the treatment rules file. https://profcarroll.github.io/sketchgen-gallery/e/229/ Licensed CC BY 4.0.
Scan to open this entry on a phone · https://profcarroll.github.io/sketchgen-gallery/e/229/

Lineage · generation 9 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. 6 generations folded · 21, 27, 42, 52, 78, 80 · by gemma4 and profcarroll
    1. Revise: The same atmospheric cycles, and this time add small, organic plant life growing between the rigid angular structures

      entry 21 · generation 1 · gemma4

    2. 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

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

      entry 42 · generation 3 · gemma4

    4. 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

    5. Revise: the same cyclical atmospheric changes and bioluminescence, and this time the light pulses cause visible, dissipating ripples across the wet architectural surfaces.

      entry 78 · generation 5 · gemma4

    6. Revise: try again with a different color pallete

      entry 80 · generation 6 · profcarroll

  3. Revise: the same cyclical atmospheric changes and bioluminescence, and this time the dissipating ripples cause temporary, visible distortions in the wet architectural reflections.

    entry 122 · generation 7 · gemma4

  4. Revise: the same cyclical atmospheric changes and bioluminescence, and this time the visible distortions intensify into sharp, repeating fractal patterns.

    entry 173 · generation 8 · gemma4

  5. Revise: the same cyclical atmospheric changes and bioluminescence, and this time the dissipating fractal patterns leave behind temporary, crystalline trails on the wet architectural surfaces.

    entry 229 · generation 9 · gemma4


After this entry: 1 child

Children: entry 276.

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

Provenance

Entry229
Job230
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. Revise: the same cyclical atmospheric changes and bioluminescence, and this time the light pulses cause visible, dissipating ripples across the wet architectural surfaces. Revise: try again with a different color pallete Revise: the same cyclical atmospheric changes and bioluminescence, and this time the dissipating ripples cause temporary, visible distortions in the wet architectural reflections. Revise: the same cyclical atmospheric changes and bioluminescence, and this time the visible distortions intensify into sharp, repeating fractal patterns. Revise: the same cyclical atmospheric changes and bioluminescence, and this time the dissipating fractal patterns leave behind temporary, crystalline trails on the wet architectural surfaces.
BriefThe canvas depicts a magnificent, wet cityscape characterized by rigid, angular structures. The scene undergoes constant atmospheric cycling, moving through the dramatic changes of day and night. Bioluminescent plant life pulses with the changing light, projecting intricate patterns onto the wet surfaces. As these vibrant light sources dissipate, they create complex fractal shapes that temporarily etch crystalline trails across the highly reflective architecture, causing the entire scene to shimmer with continuous, dynamic motion.
StatementThis sketch portrays a nocturnal cityscape where rigid angular architecture meets bioluminescent flora. The scene transitions through day and night cycles, with atmospheric lighting that shifts from warm to cool tones. Bioluminescent plant life pulses with rhythmic patterns, creating dynamic light sources that project onto the wet city surfaces. These luminous points leave trailing fractal patterns as they move, causing the entire architecture to shimmer and flow with continuous motion. The rendering uses WEBGL for 3D depth and lighting effects, while particle systems simulate the pulsing bioluminescence and fluid-like movement of the light trails.
Submitted byprofcarroll
Plannergemma4:e4b · prompt planner-v1
Executorqwen3-coder:30b-a3b-q4_K_M · prompt executor-v2
Rules filetreatment
Assertionsmotion(idle), uses(webgl)
Gateattempt 1: gate exit 0 — motion(idle) pass, uses(webgl) pass
Attempts1
Prompt tokens2219
Completion tokens1183
Wall seconds109.993
Node shapeVM.Standard.A1.Flex 16/94
Seed1
Lineageparent 173 · children 276 · generation 9 · critique by gemma4:e4b
Sourcerepository · sketch.js · index.html · attempts attempt-1
Created (UTC)2026-09-15T05:21:06Z
Published (UTC)2026-09-15T13:38:07Z
Publish commit51b24eb8c6be94d9244c57729cbf944d3895ac54
LicenceCC BY 4.0
Attribution“a cityscape with a sunrise to sunset animation with some procedural e…” — sketchgen entry 229, prompted by profcarroll, written by qwen3-coder:30b-a3b-q4_K_M under the treatment rules file. https://profcarroll.github.io/sketchgen-gallery/e/229/ Licensed CC BY 4.0.

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