a 3D marble rolls around and down a funnel, implementing collision detection, so it rolls naturally along sufaces
Revise: the same complex, geometrically designed channel, and this time the random crystalline barriers are replaced by continuous, sharply angled metal walls. gemma4 · generation 12 · 11 earlier revisions in the lineage below
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Brief
The canvas displays a brightly lit, complex, geometrically designed channel constructed from continuous, sharply angled metal walls. A single, polished marble is situated at the top of the structure. Driven by gravity and the channel's geometry, the marble rolls continuously downward. Its movement is dynamic, forced to make constant, visible lateral deviations as it navigates abrupt curves and intersecting ridges. The marble's journey concludes as it rolls into a widening, deep collecting basin at the channel's exit, where its motion finally slows to a natural stop.
Artist's statement · qwen3-coder:30b-a3b-q4_K_M, unedited
This sketch creates a dynamic, geometric marble run using p5.js in WEBGL mode. The scene features a complex channel constructed from layered, angular metal walls that guide a polished marble downward through gravity-driven motion. The marble's path is not straight — it makes lateral deviations as it navigates the sharp curves and intersecting ridges of the channel. As it approaches the bottom, the marble enters a widening collecting basin where its motion gradually slows to a natural stop. The entire scene is rendered with lighting effects that emphasize the metallic geometry and the marble's movement, creating an engaging visual representation of physics in action.
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
0.53 over 39 pairs
closer to its brief: 1.40 over 39 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/717 |
|---|---|
| Raw sketch | sketch/sketch.js |
| Raw page | sketch/index.html |
| Attempts | 1 |
| Licence | CC BY 4.0 |
| Attribution | “a 3D marble rolls around and down a funnel, implementing collision de…” — sketchgen entry 717, prompted by profcarroll, written by qwen3-coder:30b-a3b-q4_K_M under the control rules file. https://profcarroll.github.io/sketchgen-gallery/e/717/ Licensed CC BY 4.0. |
Lineage · generation 12 of 13 in the line from entry 127
a 3D marble rolls around and down a funnel, implementing collision detection, so it rolls naturally along sufaces
9 generations folded · 178, 179, 231, 278, 319, 349, 354, 410, 461 · by gemma4 and profcarroll
Revise: the same funnel-shaped container, and this time the marble rolls along a tilted, non-vertical slope at the base.
Revise: improve the camera perspective and collision detection
Revise: the same funnel-shaped channel, and this time the marble rolls along a diagonal slope at the base
Revise: the same funnel-shaped channel, and this time the diagonal slope gradually curves inward toward the exit.
Revise: the same funnel-shaped channel, and this time the diagonal slope widens and flattens into a collecting basin at the exit.
Revise: The same funnel-shaped container, and this time the initial diagonal slope features more dramatic and visible curvature changes.
Revise: the same funnel-shaped channel, and this time the shallow basin widens and deepens significantly at the exit.
Revise: the same complex, funnel-shaped channel, and this time the initial slope features abrupt shifts in curvature and requires a momentary pause.
Revise: the same complex, solid, funnel-shaped channel, and this time the structure incorporates small, alternating intersecting ridges and troughs forcing the marble into constant, minute course corrections.
Revise: the same funnel-shaped channel, and this time the alternating intersecting ridges and troughs force the marble into sudden, visible lateral deviations.
Revise: the same funnel-shaped channel, and this time the alternating intersecting ridges and troughs are replaced by randomly sized, asymmetrical crystalline barriers.
Revise: the same complex, geometrically designed channel, and this time the random crystalline barriers are replaced by continuous, sharply angled metal walls.
After this entry: 1 child
Children: entry 787.
Click a frame to run that sketch in place; one at a time. The whole line from entry 127.
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 3D marble rolls around and down a funnel, implementing collision detection, so it rolls naturally along sufaces
Revise: the same funnel-shaped container, and this time the marble rolls along a tilted, non-vertical slope at the base.
Revise: improve the camera perspective and collision detection
Revise: the same funnel-shaped channel, and this time the marble rolls along a diagonal slope at the base
Revise: the same funnel-shaped channel, and this time the diagonal slope gradually curves inward toward the exit.
Revise: the same funnel-shaped channel, and this time the diagonal slope widens and flattens into a collecting basin at the exit.
Revise: The same funnel-shaped container, and this time the initial diagonal slope features more dramatic and visible curvature changes.
Revise: the same funnel-shaped channel, and this time the shallow basin widens and deepens significantly at the exit.
Revise: the same complex, funnel-shaped channel, and this time the initial slope features abrupt shifts in curvature and requires a momentary pause.
Revise: the same complex, solid, funnel-shaped channel, and this time the structure incorporates small, alternating intersecting ridges and troughs forcing the marble into constant, minute course corrections.
Revise: the same funnel-shaped channel, and this time the alternating intersecting ridges and troughs force the marble into sudden, visible lateral deviations.
Revise: the same funnel-shaped channel, and this time the alternating intersecting ridges and troughs are replaced by randomly sized, asymmetrical crystalline barriers.
Revise: the same complex, geometrically designed channel, and this time the random crystalline barriers are replaced by continuous, sharply angled metal walls.
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 | 717 |
|---|---|
| Job | 718 |
| State | published |
| Prompt | a 3D marble rolls around and down a funnel, implementing collision detection, so it rolls naturally along sufaces Revise: the same funnel-shaped container, and this time the marble rolls along a tilted, non-vertical slope at the base. Revise: improve the camera perspective and collision detection Revise: the same funnel-shaped channel, and this time the marble rolls along a diagonal slope at the base Revise: the same funnel-shaped channel, and this time the diagonal slope gradually curves inward toward the exit. Revise: the same funnel-shaped channel, and this time the diagonal slope widens and flattens into a collecting basin at the exit. Revise: The same funnel-shaped container, and this time the initial diagonal slope features more dramatic and visible curvature changes. Revise: the same funnel-shaped channel, and this time the shallow basin widens and deepens significantly at the exit. Revise: the same complex, funnel-shaped channel, and this time the initial slope features abrupt shifts in curvature and requires a momentary pause. Revise: the same complex, solid, funnel-shaped channel, and this time the structure incorporates small, alternating intersecting ridges and troughs forcing the marble into constant, minute course corrections. Revise: the same funnel-shaped channel, and this time the alternating intersecting ridges and troughs force the marble into sudden, visible lateral deviations. Revise: the same funnel-shaped channel, and this time the alternating intersecting ridges and troughs are replaced by randomly sized, asymmetrical crystalline barriers. Revise: the same complex, geometrically designed channel, and this time the random crystalline barriers are replaced by continuous, sharply angled metal walls. |
| Brief | The canvas displays a brightly lit, complex, geometrically designed channel constructed from continuous, sharply angled metal walls. A single, polished marble is situated at the top of the structure. Driven by gravity and the channel's geometry, the marble rolls continuously downward. Its movement is dynamic, forced to make constant, visible lateral deviations as it navigates abrupt curves and intersecting ridges. The marble's journey concludes as it rolls into a widening, deep collecting basin at the channel's exit, where its motion finally slows to a natural stop. |
| Statement | This sketch creates a dynamic, geometric marble run using p5.js in WEBGL mode. The scene features a complex channel constructed from layered, angular metal walls that guide a polished marble downward through gravity-driven motion. The marble's path is not straight — it makes lateral deviations as it navigates the sharp curves and intersecting ridges of the channel. As it approaches the bottom, the marble enters a widening collecting basin where its motion gradually slows to a natural stop. The entire scene is rendered with lighting effects that emphasize the metallic geometry and the marble's movement, creating an engaging visual representation of physics in action. |
| 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), uses(webgl) |
| Gate | attempt 1: gate exit 0 — motion(idle) pass, uses(webgl) pass |
| Attempts | 1 |
| Prompt tokens | 1557 |
| Completion tokens | 855 |
| Wall seconds | 88.168 |
| Node shape | VM.Standard.A1.Flex 16/94 |
| Seed | 1 |
| Lineage | parent 654 · children 787 · generation 12 · critique by gemma4:e4b |
| Source | repository · sketch.js · index.html · attempts attempt-1 |
| Created (UTC) | 2026-09-17T18:31:09Z |
| Published (UTC) | 2026-09-17T19:49:33Z |
| Publish commit | 8926b34ad053ed3c02dadd5ffbf1c6b785961e9d |
| Licence | CC BY 4.0 |
| Attribution | “a 3D marble rolls around and down a funnel, implementing collision de…” — sketchgen entry 717, prompted by profcarroll, written by qwen3-coder:30b-a3b-q4_K_M under the control rules file. https://profcarroll.github.io/sketchgen-gallery/e/717/ Licensed CC BY 4.0. |
The same fields, machine-readable, in meta.json.