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 series of concentric rings, and this time rendering the entire pattern in a limited grayscale palette. gemma4 · generation 9 · 8 earlier revisions in the lineage below

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

seed 1 · entry 854 · published

— views · — likes

Brief

The canvas displays a series of concentric rings that emanate steadily from the center point and expand outward. As these rings grow across the surface, they exhibit a distinct ripple effect, giving the appearance of expanding waves or ripples. The movement is continuous and automatic, with the pattern developing over time without requiring any input from the viewer.

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

This sketch creates a continuous ripple effect by generating concentric rings that emanate from the center of the canvas. Each ring grows outward while gradually fading away, creating the visual impression of expanding waves or ripples. The animation is entirely self-contained and requires no user input—rings are continuously added at the center point, and existing rings expand and fade over time. The technique uses a simple particle system where each ring is represented as a transparent ellipse with its own growth rate and alpha value. The color palette shifts gradually through the hue spectrum to enhance the wave-like motion, producing a calming, organic visual rhythm that fills the entire 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 1156th of 1439 (0.46 over 24 pairs) · brief 888th of 1439 (0.79 over 24 pairs)
agents: neither→ rather look at it · ↑ closer to its brief

Humans

no pairs yet

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

Agents

0.46 over 24 pairs

closer to its brief: 0.79 over 24 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/854
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 854, prompted by profcarroll, written by qwen3-coder:30b-a3b-q4_K_M under the treatment rules file. https://profcarroll.github.io/sketchgen-gallery/e/854/ Licensed CC BY 4.0.
Scan to open this entry on a phone · https://profcarroll.github.io/sketchgen-gallery/e/854/

Lineage · generation 9 of 18 in the line from entry 4

  1. concentric circles in fluorescent colors pulse with elastic easing

    entry 4 · root · profcarroll

  2. 6 generations folded · 5, 6, 7, 491, 599, 685 · all by gemma4
    1. Revise: the same concentric circles, and this time varying the fluorescent colors' saturation and opacity over time

      entry 5 · generation 1 · gemma4

    2. Revise: the same concentric rings, and this time pulsing the fluorescent colors with a gradient sweep

      entry 6 · generation 2 · gemma4

    3. Revise: the same concentric rings, and this time slowing the pulsing and expanding motion

      entry 7 · generation 3 · gemma4

    4. Revise: the same concentric rings, and this time making the rings appear to ripple before expanding

      entry 491 · generation 4 · gemma4

    5. Revise: the same concentric rings, and this time slowing the pulsing and expanding motion

      entry 599 · generation 5 · gemma4

    6. Revise: the same concentric rings, and this time making them appear to ripple as they expand outwards.

      entry 685 · generation 6 · gemma4

  3. Revise: the same concentric rings, and this time rendering the entire pattern in a limited grayscale palette.

    entry 739 · generation 7 · gemma4

  4. Revise: the same series of concentric rings that originate from the center point and continuously expand outwards, and this time making the rings appear to ripple as they expand outwards.

    entry 804 · generation 8 · gemma4

  5. Revise: the same series of concentric rings, and this time rendering the entire pattern in a limited grayscale palette.

    entry 854 · generation 9 · gemma4


After this entry: 1 child

Children: entry 906.

Click a frame to run that sketch in place; one at a time. The whole line from entry 4.

Provenance

Entry854
Job855
Statepublished
Promptconcentric circles in fluorescent colors pulse with elastic easing Revise: the same concentric circles, and this time varying the fluorescent colors' saturation and opacity over time Revise: the same concentric rings, and this time pulsing the fluorescent colors with a gradient sweep Revise: the same concentric rings, and this time slowing the pulsing and expanding motion Revise: the same concentric rings, and this time making the rings appear to ripple before expanding Revise: the same concentric rings, and this time slowing the pulsing and expanding motion Revise: the same concentric rings, and this time making them appear to ripple as they expand outwards. Revise: the same concentric rings, and this time rendering the entire pattern in a limited grayscale palette. Revise: the same series of concentric rings that originate from the center point and continuously expand outwards, and this time making the rings appear to ripple as they expand outwards. Revise: the same series of concentric rings, and this time rendering the entire pattern in a limited grayscale palette.
BriefThe canvas displays a series of concentric rings that emanate steadily from the center point and expand outward. As these rings grow across the surface, they exhibit a distinct ripple effect, giving the appearance of expanding waves or ripples. The movement is continuous and automatic, with the pattern developing over time without requiring any input from the viewer.
StatementThis sketch creates a continuous ripple effect by generating concentric rings that emanate from the center of the canvas. Each ring grows outward while gradually fading away, creating the visual impression of expanding waves or ripples. The animation is entirely self-contained and requires no user input—rings are continuously added at the center point, and existing rings expand and fade over time. The technique uses a simple particle system where each ring is represented as a transparent ellipse with its own growth rate and alpha value. The color palette shifts gradually through the hue spectrum to enhance the wave-like motion, producing a calming, organic visual rhythm that fills the entire canvas.
Submitted byprofcarroll
Plannergemma4:e4b · prompt planner-v1
Executorqwen3-coder:30b-a3b-q4_K_M · prompt executor-v2
Rules filetreatment
Assertionsmotion(idle)
Gateattempt 1: gate exit 0 — motion(idle) pass
Attempts1
Prompt tokens2168
Completion tokens531
Wall seconds36.769
Node shapeVM.Standard.A1.Flex 16/94
Seed1
Lineageparent 804 · children 906 · generation 9 · critique by gemma4:e4b
Sourcerepository · sketch.js · index.html · attempts attempt-1
Created (UTC)2026-09-18T09:39:47Z
Published (UTC)2026-09-18T14:49:45Z
Publish commit8652a6da1e10f282784c172af416065fbce9cf18
LicenceCC BY 4.0
Attribution“concentric circles in fluorescent colors pulse with elastic easing Re…” — sketchgen entry 854, prompted by profcarroll, written by qwen3-coder:30b-a3b-q4_K_M under the treatment rules file. https://profcarroll.github.io/sketchgen-gallery/e/854/ Licensed CC BY 4.0.

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