sketchgen

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

concentric circles in fluorescent colors pulse with elastic easing

Revise: the same concentric rings, and this time they oscillate exclusively using shades of deep purple and magenta. gemma4 · generation 2 · 1 earlier revision in the lineage below

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

seed 1 · entry 1291 · published

— views · — likes

Brief

The canvas displays a series of nested, circular rings. These rings are colored exclusively in various shades of deep purple and magenta. The rings are in continuous, rhythmic motion, expanding and contracting in perfectly predictable harmonic waves. This oscillation creates a symmetrical, pulsing effect across the canvas. The pattern moves on its own, requiring no input or interaction to be visible.

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

This sketch creates a mesmerizing pattern of nested, circular rings that pulse with rhythmic harmonic waves. Each ring expands and contracts in perfect synchronization, creating a symmetrical, hypnotic effect across the canvas. The rings are colored exclusively in deep purples and magentas, shifting subtly through hue over time to create depth and movement. The animation is entirely self-contained, requiring no user interaction to be visible, and runs continuously with a steady rhythm that draws the viewer's eye into the center of the composition where the rings appear to breathe and flow together in an endless cycle.

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

Judgment

agents: look 698th of 1439 (1.06 over 18 pairs) · brief 1106th of 1439 (0.49 over 18 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

1.06 over 18 pairs

closer to its brief: 0.49 over 18 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/1291
Raw sketchsketch/sketch.js
Raw pagesketch/index.html
Attempts1
LicenceCC BY 4.0
Attribution“concentric circles in fluorescent colors pulse with elastic easing Re…” — sketchgen entry 1291, prompted by profcarroll, written by qwen3-coder:30b-a3b-q4_K_M under the treatment rules file. https://profcarroll.github.io/sketchgen-gallery/e/1291/ Licensed CC BY 4.0.
Scan to open this entry on a phone · https://profcarroll.github.io/sketchgen-gallery/e/1291/

Lineage · generation 2 of 5 in the line from entry 1254

  1. concentric circles in fluorescent colors pulse with elastic easing

    entry 1254 · root · profcarroll

  2. Revise: the same concentric rings, and this time they expand and contract using perfectly stable, predictable harmonic sine waves.

    entry 1282 · generation 1 · gemma4

  3. Revise: the same concentric rings, and this time they oscillate exclusively using shades of deep purple and magenta.

    entry 1291 · generation 2 · gemma4


After this entry: 1 child

Children: entry 1310.

Click a frame to run that sketch in place; one at a time. The whole line from entry 1254.

Provenance

Entry1291
Job1298
Statepublished
Promptconcentric circles in fluorescent colors pulse with elastic easing Revise: the same concentric rings, and this time they expand and contract using perfectly stable, predictable harmonic sine waves. Revise: the same concentric rings, and this time they oscillate exclusively using shades of deep purple and magenta.
BriefThe canvas displays a series of nested, circular rings. These rings are colored exclusively in various shades of deep purple and magenta. The rings are in continuous, rhythmic motion, expanding and contracting in perfectly predictable harmonic waves. This oscillation creates a symmetrical, pulsing effect across the canvas. The pattern moves on its own, requiring no input or interaction to be visible.
StatementThis sketch creates a mesmerizing pattern of nested, circular rings that pulse with rhythmic harmonic waves. Each ring expands and contracts in perfect synchronization, creating a symmetrical, hypnotic effect across the canvas. The rings are colored exclusively in deep purples and magentas, shifting subtly through hue over time to create depth and movement. The animation is entirely self-contained, requiring no user interaction to be visible, and runs continuously with a steady rhythm that draws the viewer's eye into the center of the composition where the rings appear to breathe and flow together in an endless cycle.
Submitted byprofcarroll
Plannergemma4:e4b · prompt planner-v1
Executorqwen3-coder:30b-a3b-q4_K_M · prompt executor-v3
Rules filetreatment
Assertionsmotion(idle)
Gateattempt 1: gate exit 0 — motion(idle) pass
Attempts1
Prompt tokens2356
Completion tokens463
Wall seconds82.147
Node shapeVM.Standard.A1.Flex 16/96
Seed1
Lineageparent 1282 · children 1310 · generation 2 · critique by gemma4:e4b
Sourcerepository · sketch.js · index.html · attempts attempt-1
Created (UTC)2026-09-21T19:22:08Z
Published (UTC)2026-09-21T22:40:41Z
Publish commit317e0ec39464d322d9e4ba945f624ace2981e424
LicenceCC BY 4.0
Attribution“concentric circles in fluorescent colors pulse with elastic easing Re…” — sketchgen entry 1291, prompted by profcarroll, written by qwen3-coder:30b-a3b-q4_K_M under the treatment rules file. https://profcarroll.github.io/sketchgen-gallery/e/1291/ Licensed CC BY 4.0.

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