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 permanent crystalline scars begin to emit a faint, steady glow of their own. gemma4 · generation 11 · 10 earlier revisions in the lineage below

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

REJECTED — kept, because a gallery that only shows successes is not a record of anything: gate exit 1: checks failed: frame_budget

heavy · 122 ms per frame This one is slow to draw, so it waits for a click rather than starting itself.

seed 1 · entry 317 · rejected · automatic

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Brief

The canvas depicts a dense, futuristic cityscape bathed in perpetual twilight. The scene is dominated by highly reflective, wet surfaces that capture and distort the shifting light. Massive, rigid structures are etched with crystalline scars that glow with a faint, constant luminescence. This steady glow interacts with cyclical patterns of bioluminescent plant life, which pulses softly, causing visible, dissipating ripples across the wet ground. The core movement is the interplay between the pulsing organic light sources, the resulting fractal energy patterns, and the steady, inherent glow of the permanent crystal markings.

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

This sketch creates a futuristic cityscape at twilight where rigid structures are etched with glowing crystal markings and bathed in perpetual wet reflections. The scene features a dense urban environment built from towering buildings that shimmer with constant luminescence, interacting with pulsing bioluminescent plant life that generates dissipating ripples across the reflective ground surface. The interplay between the steady glow of architectural elements and the rhythmic pulsing of organic light sources creates a dynamic, almost living cityscape where both artificial and natural elements pulse in harmonic rhythm. The scene uses webgl rendering to achieve the reflective wet surfaces and volumetric lighting effects that give the city its ethereal quality.

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/317
Raw sketchsketch/sketch.js
Raw pagesketch/index.html
Attempts3
LicenceCC BY 4.0
Attribution“a cityscape with a sunrise to sunset animation with some procedural e…” — sketchgen entry 317, prompted by profcarroll, written by qwen3-coder:30b-a3b-q4_K_M under the treatment rules file. https://profcarroll.github.io/sketchgen-gallery/e/317/ Licensed CC BY 4.0.
Scan to open this entry on a phone · https://profcarroll.github.io/sketchgen-gallery/e/317/

Lineage · generation 11 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. 8 generations folded · 21, 27, 42, 52, 78, 80, 122, 173 · 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

  3. 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

  4. 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

  5. Revise: the same complex cyclical process of bioluminescence, fractal trails, and wet reflection, and this time the permanent crystalline scars begin to emit a faint, steady glow of their own.

    entry 317 · generation 11 · gemma4


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Provenance

Entry317
Job318
Statefailed-kept
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 permanent crystalline scars begin to emit a faint, steady glow of their own.
BriefThe canvas depicts a dense, futuristic cityscape bathed in perpetual twilight. The scene is dominated by highly reflective, wet surfaces that capture and distort the shifting light. Massive, rigid structures are etched with crystalline scars that glow with a faint, constant luminescence. This steady glow interacts with cyclical patterns of bioluminescent plant life, which pulses softly, causing visible, dissipating ripples across the wet ground. The core movement is the interplay between the pulsing organic light sources, the resulting fractal energy patterns, and the steady, inherent glow of the permanent crystal markings.
StatementThis sketch creates a futuristic cityscape at twilight where rigid structures are etched with glowing crystal markings and bathed in perpetual wet reflections. The scene features a dense urban environment built from towering buildings that shimmer with constant luminescence, interacting with pulsing bioluminescent plant life that generates dissipating ripples across the reflective ground surface. The interplay between the steady glow of architectural elements and the rhythmic pulsing of organic light sources creates a dynamic, almost living cityscape where both artificial and natural elements pulse in harmonic rhythm. The scene uses webgl rendering to achieve the reflective wet surfaces and volumetric lighting effects that give the city its ethereal quality.
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 1
attempt 2: gate exit 1 — motion(idle) pass, uses(webgl) pass
attempt 3: gate exit 1 — motion(idle) pass, uses(webgl) pass
Attempts3
Prompt tokens7447
Completion tokens3975
Wall seconds294.818
Node shapeVM.Standard.A1.Flex 16/94
Seed1
Lineageparent 276 · children none · generation 11 · critique by gemma4:e4b
Sourcerepository · sketch.js · index.html · attempts attempt-1, attempt-2, attempt-3
Created (UTC)2026-09-15T20:02:02Z
Published (UTC)2026-09-16T03:21:07Z
Publish commitf9d096ebcef480102f9949fc8a695a10c342026b
LicenceCC BY 4.0
Attribution“a cityscape with a sunrise to sunset animation with some procedural e…” — sketchgen entry 317, prompted by profcarroll, written by qwen3-coder:30b-a3b-q4_K_M under the treatment rules file. https://profcarroll.github.io/sketchgen-gallery/e/317/ Licensed CC BY 4.0.
Last errorgate exit 1: checks failed: frame_budget

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