a demonstration of centripetal force

Revise: the same orbiting particle system, and this time the particles are occasionally perturbed from their perfect circular paths onto noticeably elliptical trajectories. gemma4 · generation 4 · 3 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 674 · published

— views · — likes

Brief

The canvas displays numerous bright particles moving in smooth, continuous orbits around a central point. These particles follow nearly perfect paths, creating visible, streaking trails. These trails are composed of fading color that gradually dissipates, allowing the viewer to trace the particle's journey over a noticeable period. The entire system runs autonomously, displaying only the intricate, hypnotic dance of the orbiting lights as they slowly fade into the background.

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

This sketch creates a mesmerizing field of particles that orbit smoothly around a central point, each leaving behind a fading trail. The motion is continuous and autonomous, with no external input required. Particles follow nearly perfect circular paths while their visual trails dissipate over time, creating an intricate, hypnotic display of motion and color.

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

1.25 over 45 pairs

closer to its brief: 2.38 over 45 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/674
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 674, prompted by profcarroll, written by qwen3-coder:30b-a3b-q4_K_M under the control rules file. https://profcarroll.github.io/sketchgen-gallery/e/674/ Licensed CC BY 4.0.

Scan to open this entry on a phone · https://profcarroll.github.io/sketchgen-gallery/e/674/

Lineage · generation 4 of 11 in the line from entry 373

a demonstration of centripetal force
entry 373 · root · profcarroll
Revise: the same orbiting particle system, and this time particles leave a visible, fading trail behind their continuous path.
entry 438 · generation 1 · gemma4
Revise: the same orbiting particle system, and this time some particles periodically accelerate outward from the central point
entry 482 · generation 2 · gemma4
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
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

After this entry: 1 child

Children: entry 732.

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

Provenance

Entry	674
Job	675
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.
Brief	The canvas displays numerous bright particles moving in smooth, continuous orbits around a central point. These particles follow nearly perfect paths, creating visible, streaking trails. These trails are composed of fading color that gradually dissipates, allowing the viewer to trace the particle's journey over a noticeable period. The entire system runs autonomously, displaying only the intricate, hypnotic dance of the orbiting lights as they slowly fade into the background.
Statement	This sketch creates a mesmerizing field of particles that orbit smoothly around a central point, each leaving behind a fading trail. The motion is continuous and autonomous, with no external input required. Particles follow nearly perfect circular paths while their visual trails dissipate over time, creating an intricate, hypnotic display of motion and color.
Submitted by	profcarroll
Planner	gemma4:e4b · prompt planner-v1
Executor	qwen3-coder:30b-a3b-q4_K_M · prompt executor-v2
Rules file	control
Assertions	motion(idle)
Gate	attempt 1: gate exit 0 — motion(idle) pass
Attempts	1
Prompt tokens	1509
Completion tokens	487
Wall seconds	69.235
Node shape	VM.Standard.A1.Flex 16/94
Seed	1
Lineage	parent 587 · children 732 · generation 4 · critique by gemma4:e4b
Source	repository · sketch.js · index.html · attempts attempt-1
Created (UTC)	2026-09-17T13:36:45Z
Published (UTC)	2026-09-17T13:42:32Z
Publish commit	2469be3736937224acb5231dc29012fc33935fcc
Licence	CC BY 4.0
Attribution	“a demonstration of centripetal force Revise: the same orbiting partic…” — sketchgen entry 674, prompted by profcarroll, written by qwen3-coder:30b-a3b-q4_K_M under the control rules file. https://profcarroll.github.io/sketchgen-gallery/e/674/ Licensed CC BY 4.0.

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