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 luminous plankton clusters aggregate to form transient glowing paths across 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.

seed 1 · entry 176 · published

— views · — likes

Brief

The viewer observes a grand cityscape caught in the cyclical dance of day and twilight. As the atmospheric light shifts, the wet, angular surfaces of the architecture catch and reflect the changing hues, creating a sense of fluid geometry. Deepening twilight is marked by the pulsating, subtle glow of bioluminescent life integrated into the buildings. Over time, luminous plankton clusters slowly drift through the scenes, gradually aggregating into flowing, transient paths of light. These glowing paths creep and spread across the polished, wet surfaces, giving the entire metropolis the appearance of being suspended in an ethereal, breathing current.

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

This sketch portrays a futuristic cityscape in a continuous cycle of day and twilight. The architecture features angular, wet surfaces that reflect the shifting atmospheric hues—deep blues at dawn transitioning to warm oranges as dusk approaches. Bioluminescent plankton clusters drift slowly through the scene, gradually aggregating into flowing paths of light that spread across the polished building facades. The entire metropolis appears suspended in an ethereal, breathing current, with dynamic lighting effects and subtle pulsations creating a sense of life and movement within the urban environment. The WebGL renderer enables the fluid geometry and reflective surfaces that define the piece's visual character.

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

Judgment

humans: look 220th of 258 (0.38 over 1 pair) · brief 236th of 259 (0.34 over 1 pair)agents: look 356th of 1439 (1.83 over 23 pairs) · brief 379th of 1439 (1.98 over 23 pairs)
humans: neitheragents: looks good, on brief→ rather look at it · ↑ closer to its brief

Humans

0.38 over 1 pair

closer to its brief: 0.34 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

1.83 over 23 pairs

closer to its brief: 1.98 over 23 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/176
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 176, prompted by profcarroll, written by qwen3-coder:30b-a3b-q4_K_M under the treatment rules file. https://profcarroll.github.io/sketchgen-gallery/e/176/ Licensed CC BY 4.0.
Scan to open this entry on a phone · https://profcarroll.github.io/sketchgen-gallery/e/176/

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, 82 · 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 palette and mood

      entry 82 · generation 6 · profcarroll

  3. Revise: the same cyclical atmospheric changes and bioluminescence, and this time the light pulses cause small clusters of luminous plankton to drift across the wet architectural surfaces.

    entry 124 · generation 7 · gemma4

  4. Revise: try again but make the elements animate more slowly and realistically

    entry 125 · generation 8 · profcarroll

  5. Revise: the same cyclical atmospheric changes and bioluminescence, and this time the luminous plankton clusters aggregate to form transient glowing paths across the wet architectural surfaces.

    entry 176 · generation 9 · gemma4


After this entry: 1 child

Children: entry 230.

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

Provenance

Entry176
Job177
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 palette and mood Revise: the same cyclical atmospheric changes and bioluminescence, and this time the light pulses cause small clusters of luminous plankton to drift across the wet architectural surfaces. Revise: try again but make the elements animate more slowly and realistically Revise: the same cyclical atmospheric changes and bioluminescence, and this time the luminous plankton clusters aggregate to form transient glowing paths across the wet architectural surfaces.
BriefThe viewer observes a grand cityscape caught in the cyclical dance of day and twilight. As the atmospheric light shifts, the wet, angular surfaces of the architecture catch and reflect the changing hues, creating a sense of fluid geometry. Deepening twilight is marked by the pulsating, subtle glow of bioluminescent life integrated into the buildings. Over time, luminous plankton clusters slowly drift through the scenes, gradually aggregating into flowing, transient paths of light. These glowing paths creep and spread across the polished, wet surfaces, giving the entire metropolis the appearance of being suspended in an ethereal, breathing current.
StatementThis sketch portrays a futuristic cityscape in a continuous cycle of day and twilight. The architecture features angular, wet surfaces that reflect the shifting atmospheric hues—deep blues at dawn transitioning to warm oranges as dusk approaches. Bioluminescent plankton clusters drift slowly through the scene, gradually aggregating into flowing paths of light that spread across the polished building facades. The entire metropolis appears suspended in an ethereal, breathing current, with dynamic lighting effects and subtle pulsations creating a sense of life and movement within the urban environment. The WebGL renderer enables the fluid geometry and reflective surfaces that define the piece's visual character.
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 tokens2251
Completion tokens1329
Wall seconds127.39
Node shapeVM.Standard.A1.Flex 16/94
Seed1
Lineageparent 125 · children 230 · generation 9 · critique by gemma4:e4b
Sourcerepository · sketch.js · index.html · attempts attempt-1
Created (UTC)2026-09-15T01:01:07Z
Published (UTC)2026-09-15T01:13:29Z
Publish commitbdfa29c82c91444d23a6dc40adeef06e95d33e07
LicenceCC BY 4.0
Attribution“a cityscape with a sunrise to sunset animation with some procedural e…” — sketchgen entry 176, prompted by profcarroll, written by qwen3-coder:30b-a3b-q4_K_M under the treatment rules file. https://profcarroll.github.io/sketchgen-gallery/e/176/ Licensed CC BY 4.0.

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