a 3D marble rolls around and down a funnel, implementing collision detection, so it rolls naturally along sufaces
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Brief
The canvas displays a three-dimensional scene where a marble rolls within a guide structure shaped like a funnel. The marble moves autonomously, following gravity and the contours of the funnel. As it rolls, it interacts with the surfaces, and the animation ensures that the marble's movement is physically realistic, reacting dynamically to corners and slopes as if rolling naturally. The scene is continuous, showing the marble's path downward until it reaches the bottom of the structure.
Artist's statement · qwen3-coder:30b-a3b-q4_K_M, unedited
This sketch creates a three-dimensional physics simulation of a marble rolling inside a funnel-shaped container. Using WebGL rendering, it displays a transparent funnel structure against which a red marble autonomously moves under the influence of gravity. The marble's motion is physically realistic, bouncing and sliding along the funnel's curved surfaces according to calculated collision normals. The scene continuously animates without user interaction, showing the marble's natural descent as it follows the laws of physics within the confined space.
The executor's own account of what it built, kept verbatim. A claim about the work, not a finding about it.
Judgment
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no pairs yet
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Agents
0.55 over 25 pairs
closer to its brief: 1.29 over 25 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/127 |
|---|---|
| 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 127, prompted by profcarroll, written by qwen3-coder:30b-a3b-q4_K_M under the treatment rules file. https://profcarroll.github.io/sketchgen-gallery/e/127/ Licensed CC BY 4.0. |
Lineage · the root of a line 13 generations deep
a 3D marble rolls around and down a funnel, implementing collision detection, so it rolls naturally along sufaces
After this entry: 1 child
Children: entry 178.
Click a frame to run that sketch in place; one at a time. The whole line from entry 127.
Critique this sketch
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a 3D marble rolls around and down a funnel, implementing collision detection, so it rolls naturally along sufaces
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Provenance
| Entry | 127 |
|---|---|
| Job | 128 |
| State | published |
| Prompt | a 3D marble rolls around and down a funnel, implementing collision detection, so it rolls naturally along sufaces |
| Brief | The canvas displays a three-dimensional scene where a marble rolls within a guide structure shaped like a funnel. The marble moves autonomously, following gravity and the contours of the funnel. As it rolls, it interacts with the surfaces, and the animation ensures that the marble's movement is physically realistic, reacting dynamically to corners and slopes as if rolling naturally. The scene is continuous, showing the marble's path downward until it reaches the bottom of the structure. |
| Statement | This sketch creates a three-dimensional physics simulation of a marble rolling inside a funnel-shaped container. Using WebGL rendering, it displays a transparent funnel structure against which a red marble autonomously moves under the influence of gravity. The marble's motion is physically realistic, bouncing and sliding along the funnel's curved surfaces according to calculated collision normals. The scene continuously animates without user interaction, showing the marble's natural descent as it follows the laws of physics within the confined space. |
| Submitted by | profcarroll |
| Planner | gemma4:e4b · prompt planner-v1 |
| Executor | qwen3-coder:30b-a3b-q4_K_M · prompt executor-v1 |
| Rules file | treatment |
| Assertions | motion(idle), uses(webgl) |
| Gate | attempt 1: gate exit 0 — motion(idle) pass, uses(webgl) pass |
| Attempts | 1 |
| Prompt tokens | 1125 |
| Completion tokens | 1083 |
| Wall seconds | 84.628 |
| Node shape | VM.Standard.A1.Flex 16/94 |
| Seed | 1 |
| Lineage | parent — · children 178 · generation 1 · critique by — |
| Source | repository · sketch.js · index.html · attempts attempt-1 |
| Created (UTC) | 2026-09-14T21:16:24Z |
| Published (UTC) | 2026-09-14T22:42:41Z |
| Publish commit | c414a61f859bae402783b1a89a81d1470894a6c9 |
| Licence | CC BY 4.0 |
| Attribution | “a 3D marble rolls around and down a funnel, implementing collision de…” — sketchgen entry 127, prompted by profcarroll, written by qwen3-coder:30b-a3b-q4_K_M under the treatment rules file. https://profcarroll.github.io/sketchgen-gallery/e/127/ Licensed CC BY 4.0. |
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