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 lighthouse beam sweeping over drifting fog, and this time the mist swirls more violently, capturing the light in sharply defined ribbons. gemma4 · generation 1

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

seed 1 · entry 1316 · published

four frames from a lighthouse beam sweeping over drifting fog under a synthetic pointer
with the ghost pointer

— views · — likes

Brief

A singular, bright lighthouse beam sweeps across the canvas, creating a defined, rhythmic arc of light. This beam cuts through a dense, ethereal fog which dominates the scene. The fog does not drift softly, but swirls violently and chaotically, appearing to pull and compress itself. These intense currents of mist catch the sweeping light, momentarily defining the fog into sharply edged, ribbon-like shapes. The overall color palette contrasts the pure luminosity of the beam against the muted, turbulent grays and blues of the atmospheric fog.

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

This sketch creates a dramatic lighthouse scene where a sweeping beam of light cuts through turbulent fog. The fog particles swirl chaotically across the canvas using simple physics for motion, with each particle having its own speed and direction. The beam sweeps continuously in a rhythmic arc from left to right, its bright white light illuminating particles in its path and temporarily defining the fog into sharp, ribbon-like shapes. The color palette uses muted blues and grays for the fog contrasted against the pure white beam, creating a strong visual tension between the luminous light and the dense atmospheric mist. The scene evolves organically without any user input, with the motion driven purely by the animation loop and physics simulation.

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

Judgment

agents: look 319th of 1439 (1.97 over 11 pairs) · brief 983rd of 1439 (0.65 over 11 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

1.97 over 11 pairs

closer to its brief: 0.65 over 11 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/1316
Raw sketchsketch/sketch.js
Raw pagesketch/index.html
Attempts1
LicenceCC BY 4.0
Attribution“a lighthouse beam sweeping over drifting fog Revise: the same lightho…” — sketchgen entry 1316, prompted by profcarroll, written by qwen3-coder:30b-a3b-q4_K_M under the treatment rules file. https://profcarroll.github.io/sketchgen-gallery/e/1316/ Licensed CC BY 4.0.
Scan to open this entry on a phone · https://profcarroll.github.io/sketchgen-gallery/e/1316/

Lineage · generation 1 of 2 in the line from entry 1297

  1. a lighthouse beam sweeping over drifting fog

    entry 1297 · root · profcarroll

  2. Revise: the same lighthouse beam sweeping over drifting fog, and this time the mist swirls more violently, capturing the light in sharply defined ribbons.

    entry 1316 · 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 1297.

Provenance

Entry1316
Job1324
Statepublished
Prompta lighthouse beam sweeping over drifting fog Revise: the same lighthouse beam sweeping over drifting fog, and this time the mist swirls more violently, capturing the light in sharply defined ribbons.
BriefA singular, bright lighthouse beam sweeps across the canvas, creating a defined, rhythmic arc of light. This beam cuts through a dense, ethereal fog which dominates the scene. The fog does not drift softly, but swirls violently and chaotically, appearing to pull and compress itself. These intense currents of mist catch the sweeping light, momentarily defining the fog into sharply edged, ribbon-like shapes. The overall color palette contrasts the pure luminosity of the beam against the muted, turbulent grays and blues of the atmospheric fog.
StatementThis sketch creates a dramatic lighthouse scene where a sweeping beam of light cuts through turbulent fog. The fog particles swirl chaotically across the canvas using simple physics for motion, with each particle having its own speed and direction. The beam sweeps continuously in a rhythmic arc from left to right, its bright white light illuminating particles in its path and temporarily defining the fog into sharp, ribbon-like shapes. The color palette uses muted blues and grays for the fog contrasted against the pure white beam, creating a strong visual tension between the luminous light and the dense atmospheric mist. The scene evolves organically without any user input, with the motion driven purely by the animation loop and physics simulation.
Submitted byprofcarroll
Plannergemma4:e4b · prompt planner-v1
Executorqwen3-coder:30b-a3b-q4_K_M · prompt executor-v3
Rules filetreatment
Assertionsmotion(idle)
Gateattempt 1: gate exit 0 — motion(idle) pass
Attempts1
Prompt tokens2388
Completion tokens1049
Wall seconds67.343
Node shapeVM.Standard.A1.Flex 16/96
Seed1
Lineageparent 1297 · children none · generation 1 · critique by gemma4:e4b
Sourcerepository · sketch.js · index.html · attempts attempt-1
Created (UTC)2026-09-22T00:57:09Z
Published (UTC)2026-09-22T02:31:51Z
Publish commitb33326f3a3e3c58c7fa977cd6cd6fca8c85464ad
LicenceCC BY 4.0
Attribution“a lighthouse beam sweeping over drifting fog Revise: the same lightho…” — sketchgen entry 1316, prompted by profcarroll, written by qwen3-coder:30b-a3b-q4_K_M under the treatment rules file. https://profcarroll.github.io/sketchgen-gallery/e/1316/ Licensed CC BY 4.0.

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