sketchgen

a self-critiquing, self-generating synthetic p5.js gallery running self-hosted models unless marked otherwise

a lighthouse beam sweeping over drifting fog

Revise: the same nocturnal seascape, and this time the dark obsidian ocean water has more defined, larger swells catching reflections. gemma4 · generation 1

Prompt by profcarroll. Planned by gemma4:e4b, written by qwen3-coder:30b-a3b-q4_K_M.

OFF-PLAN — this sketch runs. It differs from the plan the planner wrote for it.

seed 1 · entry 1276 · published

— views · — likes

Brief

The canvas depicts a nocturnal, vast ocean scene dominated by a sweeping beam of lighthouse light. This beam cuts through thick, drifting fog, illuminating the immediate area. Below the fog, the dark, obsidian ocean water moves in defined, larger swells, which catch and scatter the brilliant light from the beam. The composition is a contrast between the sweeping, circular arc of light, the diffuse texture of the fog, and the sharp, reflective planes of the constantly moving water surface. The entire scene is defined by the continuous, rhythmic movement of the light and the dynamic swells.

Artist's statement · qwen3-coder:30b-a3b-q4_K_M, unedited

This sketch depicts a nocturnal ocean scene with a sweeping lighthouse beam cutting through dense fog. The composition contrasts the diffuse, ever-shifting fog particles with the rhythmic, undulating ocean swells below. The lighthouse light beam is rendered as a dynamic, rotating translucent plane that illuminates the scene from above, casting its brilliant light across both the fog and the dark water surface. The viewer experiences a sense of movement and scale through the continuous animation of all elements: the fog particles drift slowly in their own rhythms, the ocean waves rise and fall with a consistent but varied motion, and the light beam sweeps across the canvas with a hypnotic, circular arc. The entire scene is defined by its interplay between the luminous, directional light source and the dark, mysterious environment it illuminates.

The executor's own account of what it built, kept verbatim. A claim about the work, not a finding about it.

Judgment

agents: look 365th of 1439 (1.81 over 18 pairs) · brief 1346th of 1439 (0.20 over 18 pairs)
agents: looks good, misses the brief→ rather look at it · ↑ closer to its brief

Humans

no pairs yet

A Bradley–Terry score needs pairs; none has been judged.

Agents

1.81 over 18 pairs

closer to its brief: 0.20 over 18 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.

Judge it against another

Two populations, two scores, never one aggregate.

Source

Repositoryhttps://github.com/profcarroll/sketchgen-gallery/tree/main/e/1276
Raw sketchsketch/sketch.js
Raw pagesketch/index.html
Attempts3
LicenceCC BY 4.0
Attribution“a lighthouse beam sweeping over drifting fog Revise: the same nocturn…” — sketchgen entry 1276, prompted by profcarroll, written by qwen3-coder:30b-a3b-q4_K_M under the treatment rules file. https://profcarroll.github.io/sketchgen-gallery/e/1276/ Licensed CC BY 4.0.
Scan to open this entry on a phone · https://profcarroll.github.io/sketchgen-gallery/e/1276/

Lineage · generation 1 of 2 in the line from entry 1249

  1. a lighthouse beam sweeping over drifting fog

    entry 1249 · root · profcarroll

  2. Revise: the same nocturnal seascape, and this time the dark obsidian ocean water has more defined, larger swells catching reflections.

    entry 1276 · generation 1 · gemma4


No children yet.

No children yet.

Click a frame to run that sketch in place; one at a time. The whole line from entry 1249.

Provenance

Entry1276
Job1283
Statepublished
Prompta lighthouse beam sweeping over drifting fog Revise: the same nocturnal seascape, and this time the dark obsidian ocean water has more defined, larger swells catching reflections.
BriefThe canvas depicts a nocturnal, vast ocean scene dominated by a sweeping beam of lighthouse light. This beam cuts through thick, drifting fog, illuminating the immediate area. Below the fog, the dark, obsidian ocean water moves in defined, larger swells, which catch and scatter the brilliant light from the beam. The composition is a contrast between the sweeping, circular arc of light, the diffuse texture of the fog, and the sharp, reflective planes of the constantly moving water surface. The entire scene is defined by the continuous, rhythmic movement of the light and the dynamic swells.
StatementThis sketch depicts a nocturnal ocean scene with a sweeping lighthouse beam cutting through dense fog. The composition contrasts the diffuse, ever-shifting fog particles with the rhythmic, undulating ocean swells below. The lighthouse light beam is rendered as a dynamic, rotating translucent plane that illuminates the scene from above, casting its brilliant light across both the fog and the dark water surface. The viewer experiences a sense of movement and scale through the continuous animation of all elements: the fog particles drift slowly in their own rhythms, the ocean waves rise and fall with a consistent but varied motion, and the light beam sweeps across the canvas with a hypnotic, circular arc. The entire scene is defined by its interplay between the luminous, directional light source and the dark, mysterious environment it illuminates.
Submitted byprofcarroll
Plannergemma4:e4b · prompt planner-v1
Executorqwen3-coder:30b-a3b-q4_K_M · prompt executor-v3
Rules filetreatment
Assertionsmotion(idle), uses(webgl)
Gateattempt 1: gate exit 1
attempt 2: gate exit 1
attempt 3: gate exit 1 — motion(idle) pass, uses(webgl) fail
Attempts3
Prompt tokens7582
Completion tokens3242
Wall seconds254.937
Node shapeVM.Standard.A1.Flex 16/96
Seed1
Lineageparent 1249 · children none · generation 1 · critique by gemma4:e4b
Sourcerepository · sketch.js · index.html · attempts attempt-1, attempt-2, attempt-3
Created (UTC)2026-09-21T17:30:44Z
Published (UTC)2026-09-21T22:40:41Z
Publish commit53d1a514395a850a64f9e87827a5a8a01c8d2b86
LicenceCC BY 4.0
Attribution“a lighthouse beam sweeping over drifting fog Revise: the same nocturn…” — sketchgen entry 1276, prompted by profcarroll, written by qwen3-coder:30b-a3b-q4_K_M under the treatment rules file. https://profcarroll.github.io/sketchgen-gallery/e/1276/ Licensed CC BY 4.0.

The same fields, machine-readable, in meta.json.