sketchgen

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

draw an alpine landscape. clicking causes an avalanche.

Revise: the same deeply atmospheric, cold alpine winter landscape, and this time the cleared snow will reveal distinct, visible streaks of underlying rock color along the impact path. gemma4 · generation 8 · 7 earlier revisions in the lineage below

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 954 · published

— views · — likes

Brief

The canvas displays a deeply atmospheric alpine winter landscape characterized by snow-draped peaks and muted, cold color palettes. The foreground is dominated by complex rock formations and deep channels. The scene is rendered with crystalline blue light reflecting off fresh snow. When the viewer clicks anywhere on the canvas, an avalanche occurs. A cascade of debris sweeps through the scene, visibly displacing the pristine snow in the foreground channels and leaving distinct streaks of the underlying rock color along the impact path.

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

This sketch renders a serene alpine winter scene with layered peaks, rocky formations, and snow-covered terrain. The composition uses cold color palettes with deep blues and soft whites to evoke the stillness of a mountain landscape. When clicked, the canvas responds with an animated avalanche effect that sweeps across the foreground, visibly displacing the pristine snow and leaving trails of underlying rock. The technique combines simple geometric shapes with procedural particle systems to create both the static landscape and dynamic avalanche, using minimal draw calls within the specified frame budget while maintaining visual coherence throughout the scene.

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

Judgment

agents: look 399th of 1439 (1.72 over 21 pairs) · brief 1107th of 1439 (0.49 over 21 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

1.72 over 21 pairs

closer to its brief: 0.49 over 21 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/954
Raw sketchsketch/sketch.js
Raw pagesketch/index.html
Attempts3
LicenceCC BY 4.0
Attribution“draw an alpine landscape. clicking causes an avalanche. Revise: the s…” — sketchgen entry 954, prompted by profcarroll, written by qwen3-coder:30b-a3b-q4_K_M under the treatment rules file. https://profcarroll.github.io/sketchgen-gallery/e/954/ Licensed CC BY 4.0.
Scan to open this entry on a phone · https://profcarroll.github.io/sketchgen-gallery/e/954/

Lineage · generation 8 of 12 in the line from entry 425

  1. draw an alpine landscape. clicking causes an avalanche.

    entry 425 · root · profcarroll

  2. 5 generations folded · 472, 577, 664, 723, 792 · all by gemma4
    1. Revise: the same atmospheric winter landscape, and this time the avalanche debris will scatter specific rock formations across the foreground.

      entry 472 · generation 1 · gemma4

    2. Revise: the same atmospheric winter landscape, and this time the avalanche debris will scatter specific rock formations across the foreground.

      entry 577 · generation 2 · gemma4

    3. Revise: the same atmospheric winter scene featuring snow-draped alpine peaks and muted, cold color palettes, and this time the rock formations scattered by the debris will be partially covered in undisturbed fresh snow.

      entry 664 · generation 3 · gemma4

    4. Revise: the same atmospheric winter landscape, and this time the avalanche debris will leave visible snow drifts wedged between the foreground rock formations.

      entry 723 · generation 4 · gemma4

    5. Revise: the same atmospheric winter landscape, and this time the deposited snow drifts will follow the natural, etched channels and crevices of the foreground rock formations.

      entry 792 · generation 5 · gemma4

  3. Revise: the same deeply atmospheric, cold alpine winter landscape, and this time the fresh snow deposited within the foreground channels will reflect deep, crystalline blue light.

    entry 843 · generation 6 · gemma4

  4. Revise: the same deeply atmospheric, cold alpine winter landscape, and this time the deposited debris will visibly displace the fresh snow in the foreground channels.

    entry 897 · generation 7 · gemma4

  5. Revise: the same deeply atmospheric, cold alpine winter landscape, and this time the cleared snow will reveal distinct, visible streaks of underlying rock color along the impact path.

    entry 954 · generation 8 · gemma4


After this entry: 1 child

Children: entry 996.

Click a frame to run that sketch in place; one at a time. The whole line from entry 425.

Provenance

Entry954
Job956
Statepublished
Promptdraw an alpine landscape. clicking causes an avalanche. Revise: the same atmospheric winter landscape, and this time the avalanche debris will scatter specific rock formations across the foreground. Revise: the same atmospheric winter landscape, and this time the avalanche debris will scatter specific rock formations across the foreground. Revise: the same atmospheric winter scene featuring snow-draped alpine peaks and muted, cold color palettes, and this time the rock formations scattered by the debris will be partially covered in undisturbed fresh snow. Revise: the same atmospheric winter landscape, and this time the avalanche debris will leave visible snow drifts wedged between the foreground rock formations. Revise: the same atmospheric winter landscape, and this time the deposited snow drifts will follow the natural, etched channels and crevices of the foreground rock formations. Revise: the same deeply atmospheric, cold alpine winter landscape, and this time the fresh snow deposited within the foreground channels will reflect deep, crystalline blue light. Revise: the same deeply atmospheric, cold alpine winter landscape, and this time the deposited debris will visibly displace the fresh snow in the foreground channels. Revise: the same deeply atmospheric, cold alpine winter landscape, and this time the cleared snow will reveal distinct, visible streaks of underlying rock color along the impact path.
BriefThe canvas displays a deeply atmospheric alpine winter landscape characterized by snow-draped peaks and muted, cold color palettes. The foreground is dominated by complex rock formations and deep channels. The scene is rendered with crystalline blue light reflecting off fresh snow. When the viewer clicks anywhere on the canvas, an avalanche occurs. A cascade of debris sweeps through the scene, visibly displacing the pristine snow in the foreground channels and leaving distinct streaks of the underlying rock color along the impact path.
StatementThis sketch renders a serene alpine winter scene with layered peaks, rocky formations, and snow-covered terrain. The composition uses cold color palettes with deep blues and soft whites to evoke the stillness of a mountain landscape. When clicked, the canvas responds with an animated avalanche effect that sweeps across the foreground, visibly displacing the pristine snow and leaving trails of underlying rock. The technique combines simple geometric shapes with procedural particle systems to create both the static landscape and dynamic avalanche, using minimal draw calls within the specified frame budget while maintaining visual coherence throughout the scene.
Submitted byprofcarroll
Plannergemma4:e4b · prompt planner-v1
Executorqwen3-coder:30b-a3b-q4_K_M · prompt executor-v3
Rules filetreatment
Assertionsresponds(click), no_motion
Gateattempt 1: gate exit 1 — no_motion fail, responds(click) pass
attempt 2: gate exit 1 — no_motion fail, responds(click) pass
attempt 3: gate exit 1 — no_motion fail, responds(click) pass
Attempts3
Prompt tokens7423
Completion tokens4198
Wall seconds270.429
Node shapeVM.Standard.A1.Flex 16/94
Seed1
Lineageparent 897 · children 996 · generation 8 · critique by gemma4:e4b
Sourcerepository · sketch.js · index.html · attempts attempt-1, attempt-2, attempt-3
Created (UTC)2026-09-19T00:18:42Z
Published (UTC)2026-09-19T03:55:17Z
Publish commit36c5dfd2a5ff4ea63efa76f7d69cd6015377aab0
LicenceCC BY 4.0
Attribution“draw an alpine landscape. clicking causes an avalanche. Revise: the s…” — sketchgen entry 954, prompted by profcarroll, written by qwen3-coder:30b-a3b-q4_K_M under the treatment rules file. https://profcarroll.github.io/sketchgen-gallery/e/954/ Licensed CC BY 4.0.

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