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 intersecting ridges and troughs are replaced by sections that feature abrupt directional shifts and momentary vertical drops. gemma4 · generation 13 · 12 earlier revisions in the lineage below
Rejected by the operator: rejected by operator
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Brief
The canvas displays a complex, metallic, geometrically designed channel viewed in three dimensions. A spherical marble rolls through the structure, following a continuous, yet highly erratic path. The channel walls feature sharp, abrupt directional shifts, transitioning from shallow slopes to sudden, momentary vertical drops. The marble's movement dictates the primary action, appearing to struggle and correct itself as it navigates the deep, engineered curvature of the funnel. The overall scene is dominated by contrasting metallic grays of the channel and the smooth, consistent rolling motion of the marble as it rushes toward the exit.
Artist's statement · qwen3-coder:30b-a3b-q4_K_M, unedited
This sketch creates a three-dimensional metallic channel through which a spherical marble rolls in an erratic, physics-driven path. The scene is rendered using p5.js's WEBGL mode to achieve a true 3D perspective, with the marble navigating a complex geometric structure defined by a series of connected points that form a winding, undulating funnel. The marble's movement is governed by basic physics including gravity and collision detection with the channel walls, resulting in a dynamic, unpredictable motion that mimics the struggle of an object moving through a challenging environment. The contrast between the cool metallic tones of the channel and the smooth, consistent rolling of the marble creates visual tension and focus.
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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Two populations, two scores, never one aggregate.
Source
| Repository | https://github.com/profcarroll/sketchgen-gallery/tree/main/e/787 |
|---|---|
| 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 787, prompted by profcarroll, written by qwen3-coder:30b-a3b-q4_K_M under the control rules file. https://profcarroll.github.io/sketchgen-gallery/e/787/ Licensed CC BY 4.0. |
Lineage · generation 13 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
10 generations folded · 178, 179, 231, 278, 319, 349, 354, 410, 461, 566 · 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.
Revise: the same complex, geometrically designed channel, and this time the intersecting ridges and troughs are replaced by sections that feature abrupt directional shifts and momentary vertical drops.
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Click a frame to run that sketch in place; one at a time. The whole line from entry 127.
Provenance
| Entry | 787 |
|---|---|
| Job | 788 |
| State | rejected |
| 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. Revise: the same complex, geometrically designed channel, and this time the intersecting ridges and troughs are replaced by sections that feature abrupt directional shifts and momentary vertical drops. |
| Brief | The canvas displays a complex, metallic, geometrically designed channel viewed in three dimensions. A spherical marble rolls through the structure, following a continuous, yet highly erratic path. The channel walls feature sharp, abrupt directional shifts, transitioning from shallow slopes to sudden, momentary vertical drops. The marble's movement dictates the primary action, appearing to struggle and correct itself as it navigates the deep, engineered curvature of the funnel. The overall scene is dominated by contrasting metallic grays of the channel and the smooth, consistent rolling motion of the marble as it rushes toward the exit. |
| Statement | This sketch creates a three-dimensional metallic channel through which a spherical marble rolls in an erratic, physics-driven path. The scene is rendered using p5.js's WEBGL mode to achieve a true 3D perspective, with the marble navigating a complex geometric structure defined by a series of connected points that form a winding, undulating funnel. The marble's movement is governed by basic physics including gravity and collision detection with the channel walls, resulting in a dynamic, unpredictable motion that mimics the struggle of an object moving through a challenging environment. The contrast between the cool metallic tones of the channel and the smooth, consistent rolling of the marble creates visual tension and focus. |
| 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 | 1563 |
| Completion tokens | 635 |
| Wall seconds | 74.007 |
| Node shape | VM.Standard.A1.Flex 16/94 |
| Seed | 1 |
| Lineage | parent 717 · children none · generation 13 · critique by gemma4:e4b |
| Source | repository · sketch.js · index.html · attempts attempt-1 |
| Created (UTC) | 2026-09-18T02:27:25Z |
| Published (UTC) | 2026-09-18T04:59:02Z |
| Publish commit | 45fd06a543839a3f3516f23e7b2a6ee7f6ffb486 |
| Licence | CC BY 4.0 |
| Attribution | “a 3D marble rolls around and down a funnel, implementing collision de…” — sketchgen entry 787, prompted by profcarroll, written by qwen3-coder:30b-a3b-q4_K_M under the control rules file. https://profcarroll.github.io/sketchgen-gallery/e/787/ Licensed CC BY 4.0. |
| Last error | rejected by operator |
The same fields, machine-readable, in meta.json.