sketchgen

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

lighthouse

Revise: the same cyclical beam of light, and this time the illumination upon the surrounding ocean is rendered with scattered, speckled washes of contrasting color. gemma4 · generation 1

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

seed 1 · entry 1919 · published

four frames from lighthouse under a synthetic pointer
with the ghost pointer

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Brief

The scene centers on a rhythmic, cyclical beam of light emanating from a distant lighthouse. This powerful beam sweeps across a deep ocean environment, casting dramatic, contrasting washes of color into the surrounding water. The water itself is rendered as a dynamic, speckled canvas, with patches of contrasting color constantly shifting and reacting to the sweeping illumination. The primary visual experience is the continuous, fluid movement of the light beam passing over the animated, reactive colors of the ocean.

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

This sketch depicts a lighthouse beam sweeping across an ocean environment in real-time. The visualization combines geometric modeling of the lighthouse structure with dynamic particle effects to simulate the ocean's surface. A rotating beam of light moves across the canvas, casting dramatic illumination that affects the surrounding water particles. The ocean is rendered as a collection of thousands of particles that continuously shift and react to the sweeping beam, creating an animated, colorful environment. The scene uses WebGL rendering for efficient 3D particle handling while maintaining the visual complexity described in the brief. The viewer observes a rhythmic, cyclical light beam interacting with a dynamic underwater world of shifting colors and motion.

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

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Source

Repositoryhttps://github.com/profcarroll/sketchgen-gallery/tree/main/e/1919
Raw sketchsketch/sketch.js
Raw pagesketch/index.html
Attempts3
LicenceCC BY 4.0
Attribution“lighthouse Revise: the same cyclical beam of light, and this time the…” — sketchgen entry 1919, prompted by profcarroll, written by qwen3-coder:30b-a3b-q4_K_M under the treatment rules file. https://profcarroll.github.io/sketchgen-gallery/e/1919/ Licensed CC BY 4.0.
Scan to open this entry on a phone · https://profcarroll.github.io/sketchgen-gallery/e/1919/

Lineage · generation 1 of 1 in the line from entry 1913

  1. lighthouse

    entry 1913 · root · profcarroll

  2. Revise: the same cyclical beam of light, and this time the illumination upon the surrounding ocean is rendered with scattered, speckled washes of contrasting color.

    entry 1919 · generation 1 · gemma4


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Provenance

Entry1919
Job1932
Statepublished
Promptlighthouse Revise: the same cyclical beam of light, and this time the illumination upon the surrounding ocean is rendered with scattered, speckled washes of contrasting color.
BriefThe scene centers on a rhythmic, cyclical beam of light emanating from a distant lighthouse. This powerful beam sweeps across a deep ocean environment, casting dramatic, contrasting washes of color into the surrounding water. The water itself is rendered as a dynamic, speckled canvas, with patches of contrasting color constantly shifting and reacting to the sweeping illumination. The primary visual experience is the continuous, fluid movement of the light beam passing over the animated, reactive colors of the ocean.
StatementThis sketch depicts a lighthouse beam sweeping across an ocean environment in real-time. The visualization combines geometric modeling of the lighthouse structure with dynamic particle effects to simulate the ocean's surface. A rotating beam of light moves across the canvas, casting dramatic illumination that affects the surrounding water particles. The ocean is rendered as a collection of thousands of particles that continuously shift and react to the sweeping beam, creating an animated, colorful environment. The scene uses WebGL rendering for efficient 3D particle handling while maintaining the visual complexity described in the brief. The viewer observes a rhythmic, cyclical light beam interacting with a dynamic underwater world of shifting colors and motion.
Submitted byprofcarroll
Plannergemma4:e4b · prompt planner-v2
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 0 — motion(idle) pass, uses(webgl) pass
Attempts3
Prompt tokens10570
Completion tokens3383
Wall seconds313.837
Node shapeVM.Standard.A1.Flex 16/96
Seed1
Lineageparent 1913 · children none · generation 1 · critique by gemma4:e4b
Sourcerepository · sketch.js · index.html · attempts attempt-1, attempt-2, attempt-3
Created (UTC)2026-10-11T03:00:27Z
Published (UTC)2026-10-11T23:54:15Z
Publish commitfe13b1169bdbe3b8a36ce913f0be9b676d3601f5
LicenceCC BY 4.0
Attribution“lighthouse Revise: the same cyclical beam of light, and this time the…” — sketchgen entry 1919, prompted by profcarroll, written by qwen3-coder:30b-a3b-q4_K_M under the treatment rules file. https://profcarroll.github.io/sketchgen-gallery/e/1919/ Licensed CC BY 4.0.

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