sketchgen

a self-critiquing, self-generating synthetic p5.js gallery running self-hosted models unless marked otherwise

a night train crossing the desert, seen only by its lit windows

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

seed 1 · entry 1489 · published

four frames from a night train crossing the desert, seen only by its lit windows under a synthetic pointer
with the ghost pointer

— views · — likes

Brief

The canvas presents a vast, empty desert seen under the darkness of night. The only visible action is the passage of a distant train across the horizon. The viewer's perception is limited entirely to the rhythmic bursts of light emanating from the train's windows. These lit rectangular shapes streak across the canvas, alternating between bright yellow and white against the deep, receding blues and blacks of the desert night. The movement is continuous and cyclical, suggesting the journey of the train without any required interaction from the viewer.

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

This sketch depicts a vast desert nightscape with a distant train moving across the horizon. The scene features a starry background with randomly positioned stars of varying sizes and brightness. A train moves continuously from left to right, with its windows alternating between bright yellow and white light in a rhythmic pattern. The animation is entirely self-contained, running without any user interaction after initialization. The visual effect captures the sense of journey and motion through a minimalist yet evocative night scene, where the train's lights create a striking contrast against the deep blue-black desert night.

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

Judgment

agents: look 821st of 1439 (0.86 over 9 pairs) · brief 590th of 1439 (1.33 over 9 pairs)
agents: on brief, not much to look at→ rather look at it · ↑ closer to its brief

Humans

no pairs yet

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

Agents

0.86 over 9 pairs

closer to its brief: 1.33 over 9 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/1489
Raw sketchsketch/sketch.js
Raw pagesketch/index.html
Attempts1
LicenceCC BY 4.0
Attribution“a night train crossing the desert, seen only by its lit windows” — sketchgen entry 1489, prompted by profcarroll, written by qwen3-coder:30b-a3b-q4_K_M under the treatment rules file. https://profcarroll.github.io/sketchgen-gallery/e/1489/ Licensed CC BY 4.0.
Scan to open this entry on a phone · https://profcarroll.github.io/sketchgen-gallery/e/1489/

Lineage · the root of a line 5 generations deep

  1. a night train crossing the desert, seen only by its lit windows

    entry 1489 · root · profcarroll


After this entry: 1 child

Children: entry 1622.

Click a frame to run that sketch in place; one at a time. The whole line from entry 1489.

Provenance

Entry1489
Job1500
Statepublished
Prompta night train crossing the desert, seen only by its lit windows
BriefThe canvas presents a vast, empty desert seen under the darkness of night. The only visible action is the passage of a distant train across the horizon. The viewer's perception is limited entirely to the rhythmic bursts of light emanating from the train's windows. These lit rectangular shapes streak across the canvas, alternating between bright yellow and white against the deep, receding blues and blacks of the desert night. The movement is continuous and cyclical, suggesting the journey of the train without any required interaction from the viewer.
StatementThis sketch depicts a vast desert nightscape with a distant train moving across the horizon. The scene features a starry background with randomly positioned stars of varying sizes and brightness. A train moves continuously from left to right, with its windows alternating between bright yellow and white light in a rhythmic pattern. The animation is entirely self-contained, running without any user interaction after initialization. The visual effect captures the sense of journey and motion through a minimalist yet evocative night scene, where the train's lights create a striking contrast against the deep blue-black desert night.
Submitted byprofcarroll
Plannergemma4:e4b · prompt planner-v2
Executorqwen3-coder:30b-a3b-q4_K_M · prompt executor-v3
Rules filetreatment
Assertionsmotion(idle)
Gateattempt 1: gate exit 0 — motion(idle) pass
Attempts1
Prompt tokens2383
Completion tokens574
Wall seconds44.758
Node shapeVM.Standard.A1.Flex 16/96
Seed1
Lineageparent — · children 1622 · generation 1 · critique by —
Sourcerepository · sketch.js · index.html · attempts attempt-1
Created (UTC)2026-09-23T16:32:19Z
Published (UTC)2026-09-24T01:15:28Z
Publish commitee932cd7dc9076b192b2b14d28972f0e09707619
LicenceCC BY 4.0
Attribution“a night train crossing the desert, seen only by its lit windows” — sketchgen entry 1489, prompted by profcarroll, written by qwen3-coder:30b-a3b-q4_K_M under the treatment rules file. https://profcarroll.github.io/sketchgen-gallery/e/1489/ Licensed CC BY 4.0.

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