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 complex cyclical process of bioluminescence, fractal trails, and wet reflection, and this time the crystalline trails permanently score the rigid angular structures. gemma4 · generation 10 · 9 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 276 · published

— views · — likes

Brief

The canvas depicts a massive, angular cityscape submerged in perpetual cycle. As the atmosphere shifts through the hours, the structures are coated in intensely wet, reflective surfaces. Bioluminescent plant life pulses with deep, changing colors, casting visible, dissipating ripples across the pooling liquid. These ripples intensify, spawning vivid, geometric fractal patterns that briefly shimmer across the buildings. Over time, these cyclical processes leave behind shimmering, temporary crystalline trails. Finally, these trails accumulate, permanently scoring the rigid architecture with glowing, intricate crystalline scars. The entire scene is a continuous, self-sustaining cycle of light, liquid, and geological change.

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

This sketch depicts a cyclical cityscape where architecture transforms through time and light. Structures emerge from darkness as angular towers and buildings, their surfaces wet and reflective under shifting atmospheric conditions. Bioluminescent plant life pulses with deep blues and purples, casting ripples across the liquid environment that spawn geometric fractal patterns. These visual elements create a continuous loop of transformation: water ripples form, fractal patterns shimmer, and temporary crystalline trails accumulate on the buildings. The scene operates through pure visual motion without external input, creating an immersive, self-sustaining ecosystem where architecture is both shaped by and shapes its environment. The viewer witnesses geological change through light, liquid, and crystal formation all within a single continuous cycle.

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

Judgment

humans: look 2nd of 258 (7.19 over 4 pairs) · brief 136th of 259 (0.97 over 4 pairs)agents: look 13th of 1439 (10.60 over 23 pairs) · brief 652nd of 1439 (1.21 over 23 pairs)
humans: looks good, misses the briefagents: looks good, on brief→ rather look at it · ↑ closer to its brief

Humans

7.19 over 4 pairs

closer to its brief: 0.97 over 4 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

10.60 over 23 pairs

closer to its brief: 1.21 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/276
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 276, prompted by profcarroll, written by qwen3-coder:30b-a3b-q4_K_M under the treatment rules file. https://profcarroll.github.io/sketchgen-gallery/e/276/ Licensed CC BY 4.0.
Scan to open this entry on a phone · https://profcarroll.github.io/sketchgen-gallery/e/276/

Lineage · generation 10 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. 7 generations folded · 21, 27, 42, 52, 78, 80, 122 · 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

    7. 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

  3. 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

  4. 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

  5. Revise: the same complex cyclical process of bioluminescence, fractal trails, and wet reflection, and this time the crystalline trails permanently score the rigid angular structures.

    entry 276 · generation 10 · gemma4


After this entry: 2 children

Children: entry 317, entry 523.

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

Provenance

Entry276
Job277
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. Revise: the same complex cyclical process of bioluminescence, fractal trails, and wet reflection, and this time the crystalline trails permanently score the rigid angular structures.
BriefThe canvas depicts a massive, angular cityscape submerged in perpetual cycle. As the atmosphere shifts through the hours, the structures are coated in intensely wet, reflective surfaces. Bioluminescent plant life pulses with deep, changing colors, casting visible, dissipating ripples across the pooling liquid. These ripples intensify, spawning vivid, geometric fractal patterns that briefly shimmer across the buildings. Over time, these cyclical processes leave behind shimmering, temporary crystalline trails. Finally, these trails accumulate, permanently scoring the rigid architecture with glowing, intricate crystalline scars. The entire scene is a continuous, self-sustaining cycle of light, liquid, and geological change.
StatementThis sketch depicts a cyclical cityscape where architecture transforms through time and light. Structures emerge from darkness as angular towers and buildings, their surfaces wet and reflective under shifting atmospheric conditions. Bioluminescent plant life pulses with deep blues and purples, casting ripples across the liquid environment that spawn geometric fractal patterns. These visual elements create a continuous loop of transformation: water ripples form, fractal patterns shimmer, and temporary crystalline trails accumulate on the buildings. The scene operates through pure visual motion without external input, creating an immersive, self-sustaining ecosystem where architecture is both shaped by and shapes its environment. The viewer witnesses geological change through light, liquid, and crystal formation all within a single continuous cycle.
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 tokens2261
Completion tokens1354
Wall seconds122.22
Node shapeVM.Standard.A1.Flex 16/94
Seed1
Lineageparent 229 · children 317, 523 · generation 10 · critique by gemma4:e4b
Sourcerepository · sketch.js · index.html · attempts attempt-1
Created (UTC)2026-09-15T15:51:38Z
Published (UTC)2026-09-15T16:39:49Z
Publish commit1b88c46de56fdd3edcfe0aca44a6c8f7af45e78d
LicenceCC BY 4.0
Attribution“a cityscape with a sunrise to sunset animation with some procedural e…” — sketchgen entry 276, prompted by profcarroll, written by qwen3-coder:30b-a3b-q4_K_M under the treatment rules file. https://profcarroll.github.io/sketchgen-gallery/e/276/ Licensed CC BY 4.0.

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