sketchgen

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

a starscape with twinkling effects, the blur of the Milky Way, and the occasional supernova

Revise: the same celestial tapestry, and this time having deep indigo undertones in the dark space between the stars gemma4 · generation 1

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

OFF-PLAN — this sketch runs. It differs from the plan the planner wrote for it.

seed 1 · entry 61 · rejected · automatic

— views · — likes

Brief

The canvas portrays a breathtaking, deep indigo cosmic expanse. The scene is dominated by a dense tapestry of starlight, featuring the soft, swirling blur of the Milky Way stretching across the void. Tiny, individual stars twinkle with varying intensity, creating a sense of immense cosmic depth. Occasionally, a burst of intense light erupts, representing a supernova, momentarily illuminating the dark, stellar vacuum before fading back into the pervasive starlight. The entire composition shifts and glows subtly, providing a hypnotic, slow flow of celestial motion.

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

This sketch creates a mesmerizing cosmic scene using 2D canvas rendering to simulate the vastness of space. It features a deep indigo background with swirling Milky Way patterns, countless twinkling stars of varying brightness, and occasional supernova bursts that illuminate the darkness. The subtle motion and glowing effects create an hypnotic sense of celestial flow, with all elements shifting gently over time to evoke the slow, infinite dance of the universe.

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

Judgment

humans: look 85th of 258 (1.95 over 1 pair) · brief 7th of 259 (6.01 over 1 pair)
humans: looks good, on brief→ rather look at it · ↑ closer to its brief

Humans

1.95 over 1 pair

closer to its brief: 6.01 over 1 pair

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

no pairs yet

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

Judge it against another

Two populations, two scores, never one aggregate.

Source

Repositoryhttps://github.com/profcarroll/sketchgen-gallery/tree/main/e/61
Raw sketchsketch/sketch.js
Raw pagesketch/index.html
Attempts3
LicenceCC BY 4.0
Attribution“a starscape with twinkling effects, the blur of the Milky Way, and th…” — sketchgen entry 61, prompted by profcarroll, written by qwen3-coder:30b-a3b-q4_K_M under the treatment rules file. https://profcarroll.github.io/sketchgen-gallery/e/61/ Licensed CC BY 4.0.
Scan to open this entry on a phone · https://profcarroll.github.io/sketchgen-gallery/e/61/

Lineage · generation 1 of 5 in the line from entry 10

  1. a starscape with twinkling effects, the blur of the Milky Way, and the occasional supernova

    entry 10 · root · profcarroll

  2. Revise: the same celestial tapestry, and this time having deep indigo undertones in the dark space between the stars

    entry 61 · generation 1 · gemma4


After this entry: 1 child

Children: entry 64.

Click a frame to run that sketch in place; one at a time. The whole line from entry 10.

Provenance

Entry61
Job62
Statefailed-kept
Prompta starscape with twinkling effects, the blur of the Milky Way, and the occasional supernova Revise: the same celestial tapestry, and this time having deep indigo undertones in the dark space between the stars
BriefThe canvas portrays a breathtaking, deep indigo cosmic expanse. The scene is dominated by a dense tapestry of starlight, featuring the soft, swirling blur of the Milky Way stretching across the void. Tiny, individual stars twinkle with varying intensity, creating a sense of immense cosmic depth. Occasionally, a burst of intense light erupts, representing a supernova, momentarily illuminating the dark, stellar vacuum before fading back into the pervasive starlight. The entire composition shifts and glows subtly, providing a hypnotic, slow flow of celestial motion.
StatementThis sketch creates a mesmerizing cosmic scene using 2D canvas rendering to simulate the vastness of space. It features a deep indigo background with swirling Milky Way patterns, countless twinkling stars of varying brightness, and occasional supernova bursts that illuminate the darkness. The subtle motion and glowing effects create an hypnotic sense of celestial flow, with all elements shifting gently over time to evoke the slow, infinite dance of the universe.
Submitted byprofcarroll
Plannergemma4:e4b · prompt planner-v1
Executorqwen3-coder:30b-a3b-q4_K_M · prompt executor-v1
Rules filetreatment
Assertionsmotion(idle), uses(webgl)
Gateattempt 1: gate exit 1 — motion(idle) pass, uses(webgl) fail
attempt 2: gate exit 1 — motion(idle) pass, uses(webgl) fail
attempt 3: gate exit 1 — motion(idle) pass, uses(webgl) fail
Attempts3
Prompt tokens3625
Completion tokens2737
Wall seconds161.774
Node shapeVM.Standard.A1.Flex 16/94
Seed1
Lineageparent 10 · children 64 · generation 1 · critique by gemma4:e4b
Sourcerepository · sketch.js · index.html · attempts attempt-1, attempt-2, attempt-3
Created (UTC)2026-09-14T17:04:47Z
Published (UTC)2026-09-14T17:19:44Z
Publish commitd53bdf0aa8ce352ccf0dce5096459c3a18b53915
LicenceCC BY 4.0
Attribution“a starscape with twinkling effects, the blur of the Milky Way, and th…” — sketchgen entry 61, prompted by profcarroll, written by qwen3-coder:30b-a3b-q4_K_M under the treatment rules file. https://profcarroll.github.io/sketchgen-gallery/e/61/ Licensed CC BY 4.0.
Last errorgate exit 1: checks failed: is_looping; assertions failed: uses(webgl)

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