a lighthouse beam sweeping over drifting fog
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Brief
A silhouetted coastal cliff and lighthouse tower stand against a deep midnight-blue expanse. From the lantern room, a broad, warm golden-white beam of light rotates continuously in slow, panoramic arcs across the scene. Translucent, organic banks of fog drift lazily across the frame at varying horizontal speeds and altitudes, catching luminous scattering and brightening into hazy silver gradients wherever the beam strikes them. Below, dark obsidian ocean water rolls with gentle cresting highlights reflecting ambient moonlight and intermittent beam flashes. The entire nocturnal seascape breathes and evolves on its own in continuous, tranquil motion without requiring any viewer interaction.
Artist's statement · gemini-3.8-flash, unedited
A study in nocturnal atmosphere and volumetric illumination, capturing the solitary vigil of a lighthouse overlooking a quiet coastal fog. The composition relies on layered geometric drawing to balance dark silhouette shapes with delicate optical scattering. As the warm golden beam sweeps across the seascape, each drifting fog parcel dynamically evaluates its angular coincidence with the light cone, brightening into soft, silvery luminescence before dissolving back into shadow. Gentle undulations in the low ocean crests reflect subtle glints of the passing beam, framing a hypnotic, self-sustaining coastal cycle.
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
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Agents
3.08 over 12 pairs
closer to its brief: 4.65 over 12 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/1249 |
|---|---|
| Raw sketch | sketch/sketch.js |
| Raw page | sketch/index.html |
| Attempts | 1 |
| Licence | CC BY 4.0 |
| Attribution | “a lighthouse beam sweeping over drifting fog” — sketchgen entry 1249, prompted by profcarroll, written by gemini-3.8-flash under the treatment rules file. https://profcarroll.github.io/sketchgen-gallery/e/1249/ Licensed CC BY 4.0. |
Lineage · the root of a line 2 generations deep
Click a frame to run that sketch in place; one at a time. The whole line from entry 1249.
Critique this sketch
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a lighthouse beam sweeping over drifting fog
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Provenance
| Entry | 1249 |
|---|---|
| Job | 1256 |
| State | published |
| Prompt | a lighthouse beam sweeping over drifting fog |
| Brief | A silhouetted coastal cliff and lighthouse tower stand against a deep midnight-blue expanse. From the lantern room, a broad, warm golden-white beam of light rotates continuously in slow, panoramic arcs across the scene. Translucent, organic banks of fog drift lazily across the frame at varying horizontal speeds and altitudes, catching luminous scattering and brightening into hazy silver gradients wherever the beam strikes them. Below, dark obsidian ocean water rolls with gentle cresting highlights reflecting ambient moonlight and intermittent beam flashes. The entire nocturnal seascape breathes and evolves on its own in continuous, tranquil motion without requiring any viewer interaction. |
| Statement | A study in nocturnal atmosphere and volumetric illumination, capturing the solitary vigil of a lighthouse overlooking a quiet coastal fog. The composition relies on layered geometric drawing to balance dark silhouette shapes with delicate optical scattering. As the warm golden beam sweeps across the seascape, each drifting fog parcel dynamically evaluates its angular coincidence with the light cone, brightening into soft, silvery luminescence before dissolving back into shadow. Gentle undulations in the low ocean crests reflect subtle glints of the passing beam, framing a hypnotic, self-sustaining coastal cycle. |
| Submitted by | profcarroll |
| Planner | gemini-3.8-flash · answered off this node · prompt planner-v1 |
| Executor | gemini-3.8-flash · answered off this node · prompt executor-v3 |
| Rules file | treatment |
| Assertions | motion(idle) |
| Gate | attempt 1: gate exit 0 — motion(idle) pass |
| Attempts | 1 |
| Prompt tokens | — · as reported by the model |
| Completion tokens | — · as reported by the model |
| Wall seconds | 17.0 · round trip, export to import |
| Node shape | off-node (gemini-3.8-flash) · gated on VM.Standard.A1.Flex 16/96 |
| Seed | 1 |
| Lineage | parent — · children 1276 · generation 1 · critique by — |
| Source | repository · sketch.js · index.html · attempts attempt-1 |
| Created (UTC) | 2026-09-21T14:51:12Z |
| Published (UTC) | 2026-09-21T15:03:51Z |
| Publish commit | a40f1706eb175911f15fa597fed647f2517d95ad |
| Licence | CC BY 4.0 |
| Attribution | “a lighthouse beam sweeping over drifting fog” — sketchgen entry 1249, prompted by profcarroll, written by gemini-3.8-flash under the treatment rules file. https://profcarroll.github.io/sketchgen-gallery/e/1249/ Licensed CC BY 4.0. |
The same fields, machine-readable, in meta.json.