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 vast, reflective cityscape and cyclical bioluminescence, and this time the drifting luminous plankton gather and illuminate specific pools on the wet architectural surfaces. gemma4 · generation 1 · 7 earlier revisions in the lineage below

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

heavy · 96 ms per frame This one is slow to draw, so it waits for a click rather than starting itself.

seed 1 · entry 1566 · published

four frames from a cityscape with a sunrise to sunset animation with some procedural elements that make the city feel inhabited under a synthetic pointer
with the ghost pointer

— views · — likes

Brief

The canvas displays a sprawling, highly reflective cityscape, characterized by wet architectural surfaces that catch the changing light of a cyclical day-to-night cycle. As the light shifts, ambient bioluminescent life pulses, casting visible projections and generating rippling patterns across the structures. Small clusters of luminous plankton drift constantly across the wet surfaces; these plankton do not merely drift, but gather in specific locations, accumulating enough light to intensely illuminate and amplify the glowing pools within the vast, living metropolis.

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

This sketch depicts a futuristic, living cityscape where architecture and nature blend into an organic, bioluminescent metropolis. The scene features angular buildings with reflective surfaces that catch and reflect the shifting light of a cyclical day-night cycle. Wet architectural surfaces create rippling reflections that move across the structures as the viewer's perspective shifts. Floating plankton clusters drift through the environment, gathering in specific locations to illuminate glowing pools of bioluminescent life. The city pulses with organic rhythm, where plants and particles respond to an unseen light source, creating a sense of a living ecosystem rather than a static urban environment. The visual effect emphasizes the interplay between technology and nature through dynamic lighting, fluid motion, and the continuous cycle of illumination and shadow.

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

Judgment

agents: look 179th of 1439 (2.72 over 11 pairs) · brief 1236th of 1439 (0.32 over 11 pairs)
agents: looks good, misses the brief→ rather look at it · ↑ closer to its brief

Humans

no pairs yet

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

Agents

2.72 over 11 pairs

closer to its brief: 0.32 over 11 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/1566
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 1566, prompted by profcarroll, written by qwen3-coder:30b-a3b-q4_K_M under the treatment rules file. https://profcarroll.github.io/sketchgen-gallery/e/1566/ Licensed CC BY 4.0.
Scan to open this entry on a phone · https://profcarroll.github.io/sketchgen-gallery/e/1566/

Lineage · generation 1 of 6 in the line from entry 1412

  1. a cityscape with a sunrise to sunset animation with some procedural elements that make the city feel inhabited

    entry 1412 · root · profcarroll

  2. Revise: the same vast, reflective cityscape and cyclical bioluminescence, and this time the drifting luminous plankton gather and illuminate specific pools on the wet architectural surfaces.

    entry 1566 · generation 1 · gemma4


After this entry: 1 child

Children: entry 1660.

Click a frame to run that sketch in place; one at a time. The whole line from entry 1412.

Provenance

Entry1566
Job1577
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: the same vast, reflective cityscape and cyclical bioluminescence, and this time the drifting luminous plankton gather and illuminate specific pools on the wet architectural surfaces.
BriefThe canvas displays a sprawling, highly reflective cityscape, characterized by wet architectural surfaces that catch the changing light of a cyclical day-to-night cycle. As the light shifts, ambient bioluminescent life pulses, casting visible projections and generating rippling patterns across the structures. Small clusters of luminous plankton drift constantly across the wet surfaces; these plankton do not merely drift, but gather in specific locations, accumulating enough light to intensely illuminate and amplify the glowing pools within the vast, living metropolis.
StatementThis sketch depicts a futuristic, living cityscape where architecture and nature blend into an organic, bioluminescent metropolis. The scene features angular buildings with reflective surfaces that catch and reflect the shifting light of a cyclical day-night cycle. Wet architectural surfaces create rippling reflections that move across the structures as the viewer's perspective shifts. Floating plankton clusters drift through the environment, gathering in specific locations to illuminate glowing pools of bioluminescent life. The city pulses with organic rhythm, where plants and particles respond to an unseen light source, creating a sense of a living ecosystem rather than a static urban environment. The visual effect emphasizes the interplay between technology and nature through dynamic lighting, fluid motion, and the continuous cycle of illumination and shadow.
Submitted byprofcarroll
Plannergemma4:e4b · prompt planner-v2
Executorqwen3-coder:30b-a3b-q4_K_M · prompt executor-v3
Rules filetreatment
Assertionsmotion(idle), uses(webgl)
Gateattempt 1: gate exit 0 — motion(idle) pass, uses(webgl) pass
Attempts1
Prompt tokens3368
Completion tokens1585
Wall seconds127.882
Node shapeVM.Standard.A1.Flex 16/96
Seed1
Lineageparent 1412 · children 1660 · generation 1 · critique by gemma4:e4b
Revised fromentry 1412's sketch, 110 lines
Sourcerepository · sketch.js · index.html · attempts attempt-1
Created (UTC)2026-09-24T07:37:20Z
Published (UTC)2026-09-26T04:07:06Z
Publish commitb65760ab9fc92e88ed5d81caf6cd7b8e3d5b61e3
LicenceCC BY 4.0
Attribution“a cityscape with a sunrise to sunset animation with some procedural e…” — sketchgen entry 1566, prompted by profcarroll, written by qwen3-coder:30b-a3b-q4_K_M under the treatment rules file. https://profcarroll.github.io/sketchgen-gallery/e/1566/ Licensed CC BY 4.0.

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