a demonstration of centripetal force

Revise: the same streaking trails of color, and this time the repulsive forces cause the particles to arrange themselves into distinct, stable, cyclical spirals. gemma4 · generation 8 · 7 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 903 · published

— views · — likes

Brief

The canvas is filled with a vibrant, streaking field of color created by numerous moving particles. These particles continuously leave visible, fading trails that streak across the screen. While the particles generally move in continuous, complex paths, they occasionally interact via repulsive forces. These forces cause visible deviations from their paths, leading to temporary, localized groupings where the particles gather and swirl together before dispersing again. The scene is a dynamic, flowing interplay of color and force.

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

This sketch creates a vibrant, dynamic field of moving particles that leave glowing trails across the screen. Each particle moves with its own velocity and wraps around the edges of the canvas, creating continuous motion. Occasionally, particles repel each other when they come close, causing temporary groupings where they swirl together before dispersing again. The visual effect is one of fluid, interwoven movement — a constantly shifting tapestry of color and force that feels both chaotic and harmonious. The fading trails enhance the sense of motion and depth, making the scene feel alive and ever-changing.

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

Judgment

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

2.20 over 14 pairs

closer to its brief: 2.64 over 14 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

Repository	https://github.com/profcarroll/sketchgen-gallery/tree/main/e/903
Raw sketch	sketch/sketch.js
Raw page	sketch/index.html
Attempts	1
Licence	CC BY 4.0
Attribution	“a demonstration of centripetal force Revise: the same orbiting partic…” — sketchgen entry 903, prompted by profcarroll, written by qwen3-coder:30b-a3b-q4_K_M under the treatment rules file. https://profcarroll.github.io/sketchgen-gallery/e/903/ Licensed CC BY 4.0.

Scan to open this entry on a phone · https://profcarroll.github.io/sketchgen-gallery/e/903/

Lineage · generation 8 of 11 in the line from entry 373

a demonstration of centripetal force
entry 373 · root · profcarroll
5 generations folded · 438, 482, 587, 674, 732 · all by gemma4
1. Revise: the same orbiting particle system, and this time particles leave a visible, fading trail behind their continuous path.
  entry 438 · generation 1 · gemma4
2. Revise: the same orbiting particle system, and this time some particles periodically accelerate outward from the central point
  entry 482 · generation 2 · gemma4
3. Revise: the same orbiting particle system, and this time the fading trail left by each particle persists for a noticeable length of time.
  entry 587 · generation 3 · gemma4
4. Revise: the same orbiting particle system, and this time the particles are occasionally perturbed from their perfect circular paths onto noticeably elliptical trajectories.
  entry 674 · generation 4 · gemma4
5. Revise: the same field of visible, streaking trails, and this time the particles are occasionally perturbed from their perfect circular paths onto noticeably elliptical trajectories.
  entry 732 · generation 5 · gemma4
Revise: the same streaking field of color across the canvas, and this time particles occasionally repel each other, causing visible deviations and bending in their trails.
entry 800 · generation 6 · gemma4
Revise: the same field of visible, streaking trails, and this time the repulsive forces occasionally draw particles into localized, temporary groupings.
entry 850 · generation 7 · gemma4
Revise: the same streaking trails of color, and this time the repulsive forces cause the particles to arrange themselves into distinct, stable, cyclical spirals.
entry 903 · generation 8 · gemma4

After this entry: 1 child

Children: entry 960.

Click a frame to run that sketch in place; one at a time. The whole line from entry 373.

Provenance

Entry	903
Job	905
State	published
Prompt	a demonstration of centripetal force Revise: the same orbiting particle system, and this time particles leave a visible, fading trail behind their continuous path. Revise: the same orbiting particle system, and this time some particles periodically accelerate outward from the central point Revise: the same orbiting particle system, and this time the fading trail left by each particle persists for a noticeable length of time. Revise: the same orbiting particle system, and this time the particles are occasionally perturbed from their perfect circular paths onto noticeably elliptical trajectories. Revise: the same field of visible, streaking trails, and this time the particles are occasionally perturbed from their perfect circular paths onto noticeably elliptical trajectories. Revise: the same streaking field of color across the canvas, and this time particles occasionally repel each other, causing visible deviations and bending in their trails. Revise: the same field of visible, streaking trails, and this time the repulsive forces occasionally draw particles into localized, temporary groupings. Revise: the same streaking trails of color, and this time the repulsive forces cause the particles to arrange themselves into distinct, stable, cyclical spirals.
Brief	The canvas is filled with a vibrant, streaking field of color created by numerous moving particles. These particles continuously leave visible, fading trails that streak across the screen. While the particles generally move in continuous, complex paths, they occasionally interact via repulsive forces. These forces cause visible deviations from their paths, leading to temporary, localized groupings where the particles gather and swirl together before dispersing again. The scene is a dynamic, flowing interplay of color and force.
Statement	This sketch creates a vibrant, dynamic field of moving particles that leave glowing trails across the screen. Each particle moves with its own velocity and wraps around the edges of the canvas, creating continuous motion. Occasionally, particles repel each other when they come close, causing temporary groupings where they swirl together before dispersing again. The visual effect is one of fluid, interwoven movement — a constantly shifting tapestry of color and force that feels both chaotic and harmonious. The fading trails enhance the sense of motion and depth, making the scene feel alive and ever-changing.
Submitted by	profcarroll
Planner	gemma4:e4b · prompt planner-v1
Executor	qwen3-coder:30b-a3b-q4_K_M · prompt executor-v2
Rules file	treatment
Assertions	motion(idle)
Gate	attempt 1: gate exit 0 — motion(idle) pass
Attempts	1
Prompt tokens	2195
Completion tokens	771
Wall seconds	49.961
Node shape	VM.Standard.A1.Flex 16/94
Seed	1
Lineage	parent 850 · children 960 · generation 8 · critique by gemma4:e4b
Source	repository · sketch.js · index.html · attempts attempt-1
Created (UTC)	2026-09-18T18:47:18Z
Published (UTC)	2026-09-18T19:14:09Z
Publish commit	7eded34eb577fe8d1bb3101c6be3301fccc9428b
Licence	CC BY 4.0
Attribution	“a demonstration of centripetal force Revise: the same orbiting partic…” — sketchgen entry 903, prompted by profcarroll, written by qwen3-coder:30b-a3b-q4_K_M under the treatment rules file. https://profcarroll.github.io/sketchgen-gallery/e/903/ Licensed CC BY 4.0.

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