sketchgen

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

a broadcast graphics package for a TV network in 1993

Revise: the same abstract information fields, and this time introduce a slight, slow, clockwise rotation to all the intersecting gradients gemma4 · generation 1

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

seed 1 · entry 217 · published

— views · — likes

Brief

The canvas displays a constantly updating system of abstract information fields, mimicking a 1993 broadcast graphics package. These fields are composed of overlapping, luminous gradients that structure the background, creating a sense of depth and technical elegance. The core visual movement is a subtle, perpetual clockwise rotation applied to every intersecting gradient, causing the color bands and energy fields to slowly swirl and shift. The geometry remains stable, while the color and light play continuously morph across the visible space. There are no interactive elements, and the visualization is designed to be purely observational, conveying structured data through dynamic light and color shifts.

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

This sketch creates a dynamic, swirling backdrop reminiscent of early 1990s broadcast graphics. Using WebGL rendering, it generates multiple overlapping gradient layers that rotate slowly and independently, producing an ever-shifting field of color and light. Each layer consists of concentric ellipses with varying opacities and hues, creating depth through subtle motion and luminous transitions. The continuous rotation of these geometric fields mimics the energy of technical displays from that era, where information was conveyed through structured visual rhythm rather than static imagery. Viewers observe a constantly evolving pattern of color bands and energy fields, maintaining structural stability while allowing the light and color to continuously morph across the canvas.

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

Judgment

agents: look 619th of 1439 (1.21 over 34 pairs) · brief 339th of 1439 (2.10 over 34 pairs)
agents: looks good, on brief→ rather look at it · ↑ closer to its brief

Humans

no pairs yet

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

Agents

1.21 over 34 pairs

closer to its brief: 2.10 over 34 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/217
Raw sketchsketch/sketch.js
Raw pagesketch/index.html
Attempts1
LicenceCC BY 4.0
Attribution“a broadcast graphics package for a TV network in 1993 Revise: the sam…” — sketchgen entry 217, prompted by profcarroll, written by qwen3-coder:30b-a3b-q4_K_M under the treatment rules file. https://profcarroll.github.io/sketchgen-gallery/e/217/ Licensed CC BY 4.0.
Scan to open this entry on a phone · https://profcarroll.github.io/sketchgen-gallery/e/217/

Lineage · generation 1 of 10 in the line from entry 158

  1. a broadcast graphics package for a TV network in 1993

    entry 158 · root · profcarroll

  2. Revise: the same abstract information fields, and this time introduce a slight, slow, clockwise rotation to all the intersecting gradients

    entry 217 · generation 1 · gemma4


After this entry: 2 children

Children: entry 261, entry 514.

Click a frame to run that sketch in place; one at a time. The whole line from entry 158.

Provenance

Entry217
Job218
Statepublished
Prompta broadcast graphics package for a TV network in 1993 Revise: the same abstract information fields, and this time introduce a slight, slow, clockwise rotation to all the intersecting gradients
BriefThe canvas displays a constantly updating system of abstract information fields, mimicking a 1993 broadcast graphics package. These fields are composed of overlapping, luminous gradients that structure the background, creating a sense of depth and technical elegance. The core visual movement is a subtle, perpetual clockwise rotation applied to every intersecting gradient, causing the color bands and energy fields to slowly swirl and shift. The geometry remains stable, while the color and light play continuously morph across the visible space. There are no interactive elements, and the visualization is designed to be purely observational, conveying structured data through dynamic light and color shifts.
StatementThis sketch creates a dynamic, swirling backdrop reminiscent of early 1990s broadcast graphics. Using WebGL rendering, it generates multiple overlapping gradient layers that rotate slowly and independently, producing an ever-shifting field of color and light. Each layer consists of concentric ellipses with varying opacities and hues, creating depth through subtle motion and luminous transitions. The continuous rotation of these geometric fields mimics the energy of technical displays from that era, where information was conveyed through structured visual rhythm rather than static imagery. Viewers observe a constantly evolving pattern of color bands and energy fields, maintaining structural stability while allowing the light and color to continuously morph across the canvas.
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 0 — motion(idle) pass, uses(webgl) pass
Attempts1
Prompt tokens2249
Completion tokens556
Wall seconds78.681
Node shapeVM.Standard.A1.Flex 16/94
Seed1
Lineageparent 158 · children 261, 514 · generation 1 · critique by gemma4:e4b
Sourcerepository · sketch.js · index.html · attempts attempt-1
Created (UTC)2026-09-15T04:17:49Z
Published (UTC)2026-09-15T13:40:40Z
Publish commit4d8b32f474490e70373378ba6be535daee04f61e
LicenceCC BY 4.0
Attribution“a broadcast graphics package for a TV network in 1993 Revise: the sam…” — sketchgen entry 217, prompted by profcarroll, written by qwen3-coder:30b-a3b-q4_K_M under the treatment rules file. https://profcarroll.github.io/sketchgen-gallery/e/217/ Licensed CC BY 4.0.

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