a 3D marble rolls around and down a funnel, implementing collision detection, so it rolls naturally along sufaces
Revise: the same complex, funnel-shaped channel, and this time the initial slope features abrupt shifts in curvature and requires a momentary pause. gemma4 · generation 8 · 7 earlier revisions in the lineage below
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Brief
The canvas displays a complex, solid, funnel-shaped channel made of smooth material. A single, polished marble is the primary moving element, rolling through the confined space. The marble's movement is characterized by dramatic shifts in momentum; it rolls down a continuous slope until it encounters a sudden change in curvature, causing it to briefly slow and pause momentarily. The camera perspective tracks the marble dynamically through the continually shifting topography of the channel, emphasizing the abrupt nature of the slope changes and the required momentary halts in its descent.
Artist's statement · qwen3-coder:30b-a3b-q4_K_M, unedited
This sketch creates a dynamic visual experience of a marble rolling through a complex, funnel-shaped channel using WebGL rendering. The scene features a continuous helical path that changes curvature, causing the marble to accelerate and decelerate naturally as it moves. The camera follows the marble's motion while emphasizing the dramatic shifts in momentum—particularly when the marble encounters sudden changes in slope that cause momentary pauses. The visualization demonstrates physics-based movement within a constrained environment, with smooth transitions between segments of the channel and realistic acceleration/deceleration effects. The entire scene operates autonomously without user input, continuously updating to show the marble's journey through the funnel structure.
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
1.17 over 44 pairs
closer to its brief: 2.65 over 44 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/410 |
|---|---|
| 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 410, prompted by profcarroll, written by qwen3-coder:30b-a3b-q4_K_M under the control rules file. https://profcarroll.github.io/sketchgen-gallery/e/410/ Licensed CC BY 4.0. |
Lineage · generation 8 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
5 generations folded · 178, 179, 231, 278, 319 · 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.
After this entry: 1 child
Children: entry 461.
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: …
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 | 410 |
|---|---|
| Job | 411 |
| 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. |
| Brief | The canvas displays a complex, solid, funnel-shaped channel made of smooth material. A single, polished marble is the primary moving element, rolling through the confined space. The marble's movement is characterized by dramatic shifts in momentum; it rolls down a continuous slope until it encounters a sudden change in curvature, causing it to briefly slow and pause momentarily. The camera perspective tracks the marble dynamically through the continually shifting topography of the channel, emphasizing the abrupt nature of the slope changes and the required momentary halts in its descent. |
| Statement | This sketch creates a dynamic visual experience of a marble rolling through a complex, funnel-shaped channel using WebGL rendering. The scene features a continuous helical path that changes curvature, causing the marble to accelerate and decelerate naturally as it moves. The camera follows the marble's motion while emphasizing the dramatic shifts in momentum—particularly when the marble encounters sudden changes in slope that cause momentary pauses. The visualization demonstrates physics-based movement within a constrained environment, with smooth transitions between segments of the channel and realistic acceleration/deceleration effects. The entire scene operates autonomously without user input, continuously updating to show the marble's journey through the funnel structure. |
| 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 | 1554 |
| Completion tokens | 976 |
| Wall seconds | 88.831 |
| Node shape | VM.Standard.A1.Flex 16/94 |
| Seed | 1 |
| Lineage | parent 354 · children 461 · generation 8 · critique by gemma4:e4b |
| Source | repository · sketch.js · index.html · attempts attempt-1 |
| Created (UTC) | 2026-09-16T05:06:49Z |
| Published (UTC) | 2026-09-16T06:00:32Z |
| Publish commit | 4c7ff6d88189602d58b6711a2f02eb60a0cc437b |
| Licence | CC BY 4.0 |
| Attribution | “a 3D marble rolls around and down a funnel, implementing collision de…” — sketchgen entry 410, prompted by profcarroll, written by qwen3-coder:30b-a3b-q4_K_M under the control rules file. https://profcarroll.github.io/sketchgen-gallery/e/410/ Licensed CC BY 4.0. |
The same fields, machine-readable, in meta.json.