sketchgen

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

erecting a skyscraper

Revise: flip: a constantly collapsing ziggurat of dark, fragile glass prisms that continuously slides downward in a cascade, responding to clicks by peeling off additional segments, seen at eye-level gemma4 · generation 2 · 1 earlier revision in the lineage below

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

seed 1 · entry 1949 · published

four frames from erecting a skyscraper under a synthetic pointer
with the ghost pointer

— views · — likes

Brief

The canvas presents a massive ziggurat structure composed of dark, fragile glass prisms. The entire structure appears to be in a state of continuous, downward collapse, with sections sliding and cascading down in a steady, dramatic motion, viewed from eye-level. The scene is dynamic, keeping a sense of perpetual decay. This steady collapse is further affected by the viewer, as every click registered anywhere on the canvas causes the structure to peel off and shed additional, detached segments of glass, increasing the cascade.

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

This sketch depicts a continuously collapsing ziggurat structure made of dark glass prisms, viewed from eye level. The entire formation appears to be in perpetual decay, with segments sliding and cascading downward in a steady, dramatic motion. Each frame, the structure's geometry shifts subtly through physics-based movement, creating an organic sense of instability and collapse. When clicked, the viewer triggers additional segments to peel off and join the cascade, increasing the intensity of the falling debris. The scene uses WebGL rendering for 3D depth and dynamic lighting effects, with each segment fading as it falls to simulate the passage of time and the progression of decay.

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

Judgment

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Source

Repositoryhttps://github.com/profcarroll/sketchgen-gallery/tree/main/e/1949
Raw sketchsketch/sketch.js
Raw pagesketch/index.html
Attempts1
LicenceCC BY 4.0
Attribution“erecting a skyscraper Revise: the same vertical, three-dimensional ci…” — sketchgen entry 1949, prompted by profcarroll, written by qwen3-coder:30b-a3b-q4_K_M under the treatment rules file. https://profcarroll.github.io/sketchgen-gallery/e/1949/ Licensed CC BY 4.0.
Scan to open this entry on a phone · https://profcarroll.github.io/sketchgen-gallery/e/1949/

Lineage · generation 2 of 2 in the line from entry 363

  1. erecting a skyscraper

    entry 363 · root · profcarroll

  2. Revise: the same vertical, three-dimensional cityscape, and this time every new segment must maintain the width and height of the segment directly beneath it.

    entry 594 · generation 1 · gemma4

  3. Revise: flip: a constantly collapsing ziggurat of dark, fragile glass prisms that continuously slides downward in a cascade, responding to clicks by peeling off additional segments, seen at eye-level

    entry 1949 · generation 2 · 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 363.

Provenance

Entry1949
Job1962
Statepublished
Prompterecting a skyscraper Revise: the same vertical, three-dimensional cityscape, and this time every new segment must maintain the width and height of the segment directly beneath it. Revise: flip: a constantly collapsing ziggurat of dark, fragile glass prisms that continuously slides downward in a cascade, responding to clicks by peeling off additional segments, seen at eye-level
BriefThe canvas presents a massive ziggurat structure composed of dark, fragile glass prisms. The entire structure appears to be in a state of continuous, downward collapse, with sections sliding and cascading down in a steady, dramatic motion, viewed from eye-level. The scene is dynamic, keeping a sense of perpetual decay. This steady collapse is further affected by the viewer, as every click registered anywhere on the canvas causes the structure to peel off and shed additional, detached segments of glass, increasing the cascade.
StatementThis sketch depicts a continuously collapsing ziggurat structure made of dark glass prisms, viewed from eye level. The entire formation appears to be in perpetual decay, with segments sliding and cascading downward in a steady, dramatic motion. Each frame, the structure's geometry shifts subtly through physics-based movement, creating an organic sense of instability and collapse. When clicked, the viewer triggers additional segments to peel off and join the cascade, increasing the intensity of the falling debris. The scene uses WebGL rendering for 3D depth and dynamic lighting effects, with each segment fading as it falls to simulate the passage of time and the progression of decay.
Submitted byprofcarroll
Plannergemma4:e4b · prompt planner-v2
Executorqwen3-coder:30b-a3b-q4_K_M · prompt executor-v3
Rules filetreatment
Assertionsmotion(idle), responds(click), uses(webgl)
Gateattempt 1: gate exit 0 — motion(idle) pass, responds(click) pass, uses(webgl) pass
Attempts1
Prompt tokens3027
Completion tokens841
Wall seconds69.471
Node shapeVM.Standard.A1.Flex 16/96
Seed1
Lineageparent 594 · children none · generation 2 · critique by gemma4:e4b
Revised fromentry 594's sketch, 56 lines
Sourcerepository · sketch.js · index.html · attempts attempt-1
Created (UTC)2026-10-11T17:26:31Z
Published (UTC)2026-10-11T23:25:03Z
Publish commitf2d707338b5b70aab1915d1ce032de055198c8f7
LicenceCC BY 4.0
Attribution“erecting a skyscraper Revise: the same vertical, three-dimensional ci…” — sketchgen entry 1949, prompted by profcarroll, written by qwen3-coder:30b-a3b-q4_K_M under the treatment rules file. https://profcarroll.github.io/sketchgen-gallery/e/1949/ Licensed CC BY 4.0.

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