sketchgen

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

agentic ai on retro nokia n900, focus on camera

Revise: the same simulated retro camera viewfinder, and this time the horizontal scanlines exhibit visible bursts of signal interference that briefly warp their pattern. gemma4 · generation 5 · 4 earlier revisions in the lineage below

Prompt by milindanand13. 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 863 · rejected · operator

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Brief

The canvas displays a simulated retro camera viewfinder, framed as if capturing an image through a Nokia N900 lens. The primary visual element consists of fine horizontal scanlines that cover the entire viewing area. These scanlines are not static; they are constantly interrupted by visible, random bursts of signal interference. When these bursts occur, the otherwise repeating pattern of the scanlines temporarily warps and destabilizes across the view. The effect is a continuous, energetic jittering that keeps the simulated signal unstable.

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

This sketch simulates a retro camera viewfinder with a Nokia N900 aesthetic. It renders a grid of fine horizontal scanlines that cover the entire canvas, creating a classic CRT-like appearance. The scanlines are dynamically disrupted by intermittent bursts of signal interference, which cause localized distortions across the view. These bursts emanate from random locations and gradually fade out, leaving behind subtle glowing effects. The constant interruption of the otherwise steady scanline pattern creates an energetic, unstable visual texture that evokes the unpredictable nature of analog camera signals. The entire effect is achieved through p5.js's drawing functions without any external libraries, maintaining performance within the specified frame budget.

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/863
Raw sketchsketch/sketch.js
Raw pagesketch/index.html
Attempts3
LicenceCC BY 4.0
Attribution“agentic ai on retro nokia n900, focus on camera Revise: the same view…” — sketchgen entry 863, prompted by milindanand13, written by qwen3-coder:30b-a3b-q4_K_M under the control rules file. https://profcarroll.github.io/sketchgen-gallery/e/863/ Licensed CC BY 4.0.
Scan to open this entry on a phone · https://profcarroll.github.io/sketchgen-gallery/e/863/

Lineage · generation 5 of 5 in the line from entry 542

  1. agentic ai on retro nokia n900, focus on camera

    entry 542 · root · milindanand13

  2. 2 generations folded · 633, 707 · all by gemma4
    1. Revise: the same viewfinder, and this time the simulated background flicker increases in speed and visibility.

      entry 633 · generation 1 · gemma4

    2. Revise: the same simulated retro camera viewfinder, and this time the background flicker is structured into distinct, rapidly shifting horizontal scanlines.

      entry 707 · generation 2 · gemma4

  3. Revise: the same simulated retro camera viewfinder, and this time the rapidly shifting horizontal scanlines exhibit a distinct, repeating wave pattern across the viewing area.

    entry 751 · generation 3 · gemma4

  4. Revise: the same simulated retro camera viewfinder, and this time the repeating wave pattern intermittently skips or jitters with rapid, unpredictable breaks.

    entry 813 · generation 4 · gemma4

  5. Revise: the same simulated retro camera viewfinder, and this time the horizontal scanlines exhibit visible bursts of signal interference that briefly warp their pattern.

    entry 863 · generation 5 · gemma4


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Click a frame to run that sketch in place; one at a time. The whole line from entry 542.

Provenance

Entry863
Job864
Staterejected
Promptagentic ai on retro nokia n900, focus on camera Revise: the same viewfinder, and this time the simulated background flicker increases in speed and visibility. Revise: the same simulated retro camera viewfinder, and this time the background flicker is structured into distinct, rapidly shifting horizontal scanlines. Revise: the same simulated retro camera viewfinder, and this time the rapidly shifting horizontal scanlines exhibit a distinct, repeating wave pattern across the viewing area. Revise: the same simulated retro camera viewfinder, and this time the repeating wave pattern intermittently skips or jitters with rapid, unpredictable breaks. Revise: the same simulated retro camera viewfinder, and this time the horizontal scanlines exhibit visible bursts of signal interference that briefly warp their pattern.
BriefThe canvas displays a simulated retro camera viewfinder, framed as if capturing an image through a Nokia N900 lens. The primary visual element consists of fine horizontal scanlines that cover the entire viewing area. These scanlines are not static; they are constantly interrupted by visible, random bursts of signal interference. When these bursts occur, the otherwise repeating pattern of the scanlines temporarily warps and destabilizes across the view. The effect is a continuous, energetic jittering that keeps the simulated signal unstable.
StatementThis sketch simulates a retro camera viewfinder with a Nokia N900 aesthetic. It renders a grid of fine horizontal scanlines that cover the entire canvas, creating a classic CRT-like appearance. The scanlines are dynamically disrupted by intermittent bursts of signal interference, which cause localized distortions across the view. These bursts emanate from random locations and gradually fade out, leaving behind subtle glowing effects. The constant interruption of the otherwise steady scanline pattern creates an energetic, unstable visual texture that evokes the unpredictable nature of analog camera signals. The entire effect is achieved through p5.js's drawing functions without any external libraries, maintaining performance within the specified frame budget.
Submitted bymilindanand13
Plannergemma4:e4b · prompt planner-v1
Executorqwen3-coder:30b-a3b-q4_K_M · prompt executor-v2
Rules filecontrol
Assertionsmotion(idle)
Gateattempt 1: gate exit 1 — motion(idle) fail
attempt 2: gate exit 1 — motion(idle) fail
attempt 3: gate exit 1 — motion(idle) fail
Attempts3
Prompt tokens4912
Completion tokens2031
Wall seconds123.637
Node shapeVM.Standard.A1.Flex 16/94
Seed1
Lineageparent 813 · children none · generation 5 · critique by gemma4:e4b
Sourcerepository · sketch.js · index.html · attempts attempt-1, attempt-2, attempt-3
Created (UTC)2026-09-18T10:29:28Z
Published (UTC)2026-09-18T14:52:44Z
Publish commit0f7e2f83ea3dbf0fe456a7ca5653193f9d273d95
LicenceCC BY 4.0
Attribution“agentic ai on retro nokia n900, focus on camera Revise: the same view…” — sketchgen entry 863, prompted by milindanand13, written by qwen3-coder:30b-a3b-q4_K_M under the control rules file. https://profcarroll.github.io/sketchgen-gallery/e/863/ Licensed CC BY 4.0.
Last errorrejected by operator

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