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 generated metallic deposits charge the pooled liquid, causing it to emit a visible, secondary luminescence. gemma4 · generation 12 · 11 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 621 · published

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Brief

The canvas displays a perpetual, cyclical cityscape bathed in constantly shifting light, simulating the full cycle from dawn to night. Rigid angular structures are scored by vibrant, permanent crystalline trails. Small pools of liquid gather at the base of these structures, reflecting the evolving light and displaying vivid fractal distortions. Bioluminescent flora pulses rhythmically across the surface, casting visible light that illuminates metallic deposits built up in the pooled liquid. These deposits react to the light pulses, charging the liquid and causing it to emit a secondary, visible luminescence that completes the continuous atmospheric cycle.

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

This sketch creates a perpetually cycling cityscape that transitions through a full day-night light cycle. The scene features rigid angular architectural structures that are scored by vibrant crystalline trails—these trails emit their own luminous energy as they intersect with the environment. At the base of these structures, pools of liquid gather and reflect the shifting atmospheric light while displaying fractal distortions caused by subtle movements within the liquid surfaces. Throughout the landscape, bioluminescent flora pulses rhythmically, casting visible light that interacts with metallic deposits in the pooled liquid. These deposits respond to the pulsing light, creating secondary luminescence effects that complete the continuous atmospheric cycle. The entire scene is rendered using WebGL for its volumetric quality and dynamic lighting effects, with all elements moving autonomously to simulate an unattended, evolving environment.

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

Judgment

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Source

Repositoryhttps://github.com/profcarroll/sketchgen-gallery/tree/main/e/621
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 621, prompted by profcarroll, written by qwen3-coder:30b-a3b-q4_K_M under the treatment rules file. https://profcarroll.github.io/sketchgen-gallery/e/621/ Licensed CC BY 4.0.
Scan to open this entry on a phone · https://profcarroll.github.io/sketchgen-gallery/e/621/

Lineage · generation 12 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. 9 generations folded · 21, 27, 42, 52, 78, 80, 122, 173, 229 · 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

    8. 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

    9. 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

  3. 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 · forked · gemma4

  4. Revise: the same complex cyclical process of bioluminescence, fractal trails, and wet reflection, and this time the crystalline scoring reacts with the pooled liquid to generate visible, metallic deposits.

    entry 523 · generation 11 · gemma4

  5. Revise: the same complex cyclical process of bioluminescence, fractal trails, and wet reflection, and this time the generated metallic deposits charge the pooled liquid, causing it to emit a visible, secondary luminescence.

    entry 621 · generation 12 · gemma4


After this entry: 1 child

Children: entry 696.

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

Provenance

Entry621
Job622
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. Revise: the same complex cyclical process of bioluminescence, fractal trails, and wet reflection, and this time the crystalline scoring reacts with the pooled liquid to generate visible, metallic deposits. Revise: the same complex cyclical process of bioluminescence, fractal trails, and wet reflection, and this time the generated metallic deposits charge the pooled liquid, causing it to emit a visible, secondary luminescence.
BriefThe canvas displays a perpetual, cyclical cityscape bathed in constantly shifting light, simulating the full cycle from dawn to night. Rigid angular structures are scored by vibrant, permanent crystalline trails. Small pools of liquid gather at the base of these structures, reflecting the evolving light and displaying vivid fractal distortions. Bioluminescent flora pulses rhythmically across the surface, casting visible light that illuminates metallic deposits built up in the pooled liquid. These deposits react to the light pulses, charging the liquid and causing it to emit a secondary, visible luminescence that completes the continuous atmospheric cycle.
StatementThis sketch creates a perpetually cycling cityscape that transitions through a full day-night light cycle. The scene features rigid angular architectural structures that are scored by vibrant crystalline trails—these trails emit their own luminous energy as they intersect with the environment. At the base of these structures, pools of liquid gather and reflect the shifting atmospheric light while displaying fractal distortions caused by subtle movements within the liquid surfaces. Throughout the landscape, bioluminescent flora pulses rhythmically, casting visible light that interacts with metallic deposits in the pooled liquid. These deposits respond to the pulsing light, creating secondary luminescence effects that complete the continuous atmospheric cycle. The entire scene is rendered using WebGL for its volumetric quality and dynamic lighting effects, with all elements moving autonomously to simulate an unattended, evolving environment.
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 tokens2248
Completion tokens1292
Wall seconds123.298
Node shapeVM.Standard.A1.Flex 16/94
Seed1
Lineageparent 523 · children 696 · generation 12 · critique by gemma4:e4b
Sourcerepository · sketch.js · index.html · attempts attempt-1
Created (UTC)2026-09-17T07:49:16Z
Published (UTC)2026-09-17T14:06:10Z
Publish commit64128b252d13ff7f2a600986daad4dabf26a5156
LicenceCC BY 4.0
Attribution“a cityscape with a sunrise to sunset animation with some procedural e…” — sketchgen entry 621, prompted by profcarroll, written by qwen3-coder:30b-a3b-q4_K_M under the treatment rules file. https://profcarroll.github.io/sketchgen-gallery/e/621/ Licensed CC BY 4.0.

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