sketchgen

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

vibecode something for after hours

Revise: the same nebulous cloud structures, and this time having the colored reflections cast subtle, transient rippling patterns across the nearby gas. gemma4 · generation 7 · 6 earlier revisions in the lineage below

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 485 · rejected · automatic

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Brief

The canvas displays vast, deeply colored nebulous structures, transitioning across a gradient from midnight blue to deep violet. The primary shapes are composed of densely flowing lines and cloud structures that perpetually shimmer and pulse in overall opacity. Embedded within the densest cores are small, intensely glowing pinpoints of light. These lights cast intricate, colored reflections across the surrounding gas, and this colored light is constantly affected by transient, subtle rippling patterns, intensifying and deepening with the pulse of the embedded light sources.

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

This sketch creates an immersive cosmic nebula visualization using flowing particle systems that transition through a deep midnight blue to violet gradient. The composition features densely packed particles that move organically across the canvas, creating flowing lines and cloud-like structures that shimmer and pulse with varying opacity. Embedded within these nebulous forms are intense glowing pinpoints that act as light sources, casting intricate colored reflections across the surrounding gas. The visual effect is achieved through careful manipulation of particle movement, pulsing transparency, and subtle ripple patterns that respond to the intensity of the light sources, creating a dynamic, ever-changing cosmic landscape that feels both vast and intimate.

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/485
Raw sketchsketch/sketch.js
Raw pagesketch/index.html
Attempts3
LicenceCC BY 4.0
Attribution“vibecode something for after hours Revise: the same nebulous shapes,…” — sketchgen entry 485, prompted by profcarroll, written by qwen3-coder:30b-a3b-q4_K_M under the treatment rules file. https://profcarroll.github.io/sketchgen-gallery/e/485/ Licensed CC BY 4.0.
Scan to open this entry on a phone · https://profcarroll.github.io/sketchgen-gallery/e/485/

Lineage · generation 7 of 8 in the line from entry 154

  1. vibecode something for after hours

    entry 154 · root · profcarroll

  2. 4 generations folded · 214, 258, 302, 337 · all by gemma4
    1. Revise: the same nebulous shapes, and this time a gradient shift from midnight blue to deep violet as the ambient background color.

      entry 214 · generation 1 · gemma4

    2. Revise: the same nebulous shapes, and this time increasing the density of the flowing lines within the cores of the shapes

      entry 258 · generation 2 · gemma4

    3. Revise: the same nebulous shapes, and this time incorporating subtle, pulsing shifts in opacity within the main cloud structures

      entry 302 · generation 3 · gemma4

    4. Revise: the same nebulous cloud structures, and this time introducing small, glowing pinpoints of light embedded within the denser cores

      entry 337 · generation 4 · gemma4

  3. Revise: the same nebulous cloud structures, and this time having the glowing pinpoints of light cast faint, colored reflections across the nearby gas.

    entry 383 · generation 5 · gemma4

  4. Revise: the same nebulous cloud structures, and this time causing the colored reflections to deepen and intensify with the pulsing of the embedded light.

    entry 443 · generation 6 · gemma4

  5. Revise: the same nebulous cloud structures, and this time having the colored reflections cast subtle, transient rippling patterns across the nearby gas.

    entry 485 · generation 7 · gemma4


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Click a frame to run that sketch in place; one at a time. The whole line from entry 154.

Provenance

Entry485
Job486
Statefailed-kept
Promptvibecode something for after hours Revise: the same nebulous shapes, and this time a gradient shift from midnight blue to deep violet as the ambient background color. Revise: the same nebulous shapes, and this time increasing the density of the flowing lines within the cores of the shapes Revise: the same nebulous shapes, and this time incorporating subtle, pulsing shifts in opacity within the main cloud structures Revise: the same nebulous cloud structures, and this time introducing small, glowing pinpoints of light embedded within the denser cores Revise: the same nebulous cloud structures, and this time having the glowing pinpoints of light cast faint, colored reflections across the nearby gas. Revise: the same nebulous cloud structures, and this time causing the colored reflections to deepen and intensify with the pulsing of the embedded light. Revise: the same nebulous cloud structures, and this time having the colored reflections cast subtle, transient rippling patterns across the nearby gas.
BriefThe canvas displays vast, deeply colored nebulous structures, transitioning across a gradient from midnight blue to deep violet. The primary shapes are composed of densely flowing lines and cloud structures that perpetually shimmer and pulse in overall opacity. Embedded within the densest cores are small, intensely glowing pinpoints of light. These lights cast intricate, colored reflections across the surrounding gas, and this colored light is constantly affected by transient, subtle rippling patterns, intensifying and deepening with the pulse of the embedded light sources.
StatementThis sketch creates an immersive cosmic nebula visualization using flowing particle systems that transition through a deep midnight blue to violet gradient. The composition features densely packed particles that move organically across the canvas, creating flowing lines and cloud-like structures that shimmer and pulse with varying opacity. Embedded within these nebulous forms are intense glowing pinpoints that act as light sources, casting intricate colored reflections across the surrounding gas. The visual effect is achieved through careful manipulation of particle movement, pulsing transparency, and subtle ripple patterns that respond to the intensity of the light sources, creating a dynamic, ever-changing cosmic landscape that feels both vast and intimate.
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 — 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 tokens6918
Completion tokens3384
Wall seconds266.934
Node shapeVM.Standard.A1.Flex 16/94
Seed1
Lineageparent 443 · children none · generation 7 · critique by gemma4:e4b
Sourcerepository · sketch.js · index.html · attempts attempt-1, attempt-2, attempt-3
Created (UTC)2026-09-16T14:46:51Z
Published (UTC)2026-09-16T17:24:43Z
Publish commit0fb2d13cfbae7e6a2612b96c5d6233bf8aebe147
LicenceCC BY 4.0
Attribution“vibecode something for after hours Revise: the same nebulous shapes,…” — sketchgen entry 485, prompted by profcarroll, written by qwen3-coder:30b-a3b-q4_K_M under the treatment rules file. https://profcarroll.github.io/sketchgen-gallery/e/485/ Licensed CC BY 4.0.
Last errorgate exit 1: assertions failed: uses(webgl)

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