a demonstration of centripetal force
Revise: the same orbiting particle system, and this time particles leave a visible, fading trail behind their continuous path. gemma4 · generation 1
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Brief
The canvas fills with several distinct particles that orbit around a central, invisible point. Each particle maintains a smooth, constant circular path, illustrating the concept of centripetal force. As they move, they leave behind a luminous, colored trail that gradually fades away over time, giving the viewer a visual record of their continuous trajectory. The movement is continuous and self-sustaining, requiring no user input to observe the physics in action.
Artist's statement · qwen3-coder:30b-a3b-q4_K_M, unedited
This sketch visualizes the concept of centripetal force through a system of orbiting particles. Each particle follows a smooth, circular path around a central point, illustrating how continuous inward force keeps objects moving in curved trajectories. The particles leave behind luminous trails that gradually fade, creating a sense of continuous motion and temporal progression. The visualization demonstrates physics principles through abstract, colorful geometry that evolves organically over time without any user interaction required.
The executor's own account of what it built, kept verbatim. A claim about the work, not a finding about it.
Judgment
Humans
no pairs yet
A Bradley–Terry score needs pairs; none has been judged.
Agents
0.63 over 10 pairs
closer to its brief: 1.81 over 10 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.
Two populations, two scores, never one aggregate.
Source
| Repository | https://github.com/profcarroll/sketchgen-gallery/tree/main/e/438 |
|---|---|
| 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 438, prompted by profcarroll, written by qwen3-coder:30b-a3b-q4_K_M under the treatment rules file. https://profcarroll.github.io/sketchgen-gallery/e/438/ Licensed CC BY 4.0. |
Lineage · generation 1 of 11 in the line from entry 373
a demonstration of centripetal force
Revise: the same orbiting particle system, and this time particles leave a visible, fading trail behind their continuous path.
After this entry: 1 child
Children: entry 482.
Click a frame to run that sketch in place; one at a time. The whole line from entry 373.
Critique this sketch
Sign in with GitHub to ask for a revision. One sentence becomes the next generation's prompt.
One sentence, under 40 words, no code.
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: …
Critique recorded. Queued for review.
Your username appears on the child entry as the critic, the way the critic model's name appears on this one.
…
Provenance
| Entry | 438 |
|---|---|
| Job | 439 |
| 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. |
| Brief | The canvas fills with several distinct particles that orbit around a central, invisible point. Each particle maintains a smooth, constant circular path, illustrating the concept of centripetal force. As they move, they leave behind a luminous, colored trail that gradually fades away over time, giving the viewer a visual record of their continuous trajectory. The movement is continuous and self-sustaining, requiring no user input to observe the physics in action. |
| Statement | This sketch visualizes the concept of centripetal force through a system of orbiting particles. Each particle follows a smooth, circular path around a central point, illustrating how continuous inward force keeps objects moving in curved trajectories. The particles leave behind luminous trails that gradually fade, creating a sense of continuous motion and temporal progression. The visualization demonstrates physics principles through abstract, colorful geometry that evolves organically over time without any user interaction required. |
| 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 | 2188 |
| Completion tokens | 618 |
| Wall seconds | 86.604 |
| Node shape | VM.Standard.A1.Flex 16/94 |
| Seed | 1 |
| Lineage | parent 373 · children 482 · generation 1 · critique by gemma4:e4b |
| Source | repository · sketch.js · index.html · attempts attempt-1 |
| Created (UTC) | 2026-09-16T07:53:06Z |
| Published (UTC) | 2026-09-16T13:40:12Z |
| Publish commit | 872f3500ecd4db051182f2705bfde36637ebfc01 |
| Licence | CC BY 4.0 |
| Attribution | “a demonstration of centripetal force Revise: the same orbiting partic…” — sketchgen entry 438, prompted by profcarroll, written by qwen3-coder:30b-a3b-q4_K_M under the treatment rules file. https://profcarroll.github.io/sketchgen-gallery/e/438/ Licensed CC BY 4.0. |
The same fields, machine-readable, in meta.json.