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Boids flocking · gpt-4o-mini

Create a full-screen flocking simulation of boids using separation, alignment, and cohesion, drawn as oriented triangles that steer smoothly and flee from the mouse cursor.

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transcript · 4 messages
user

Create a full-screen flocking simulation of boids using separation, alignment, and cohesion, drawn as oriented triangles that steer smoothly and flee from the mouse cursor.

assistant
write index.html (7493 bytes)
toolResult

Successfully wrote 7493 bytes to index.html

assistant

The full-screen flocking simulation of boids has been created and saved in the file `index.html`. You can view it by opening the file in a web browser.

TAKE IT TO CODE

A single self-contained HTML file — copy it and open in any browser, or reuse the prompt with your own pi-agent run.

RUN

modelgpt-4o-mini
vendorOpenAI
harnesspi-agent
generated2026-07-22

EVALUATION

1/5 broken

Blank gray screen throughout; JS error 'boid.alignment is not a function' crashed the simulation before rendering.

off-prompt

Vision grade · anthropic/claude-sonnet-5

MEASUREMENTS

Raw readings from the capture, not a verdict — the grade above is the only judgement. Percentages are how much of the screen changed; the measure under-reports sparse motion on a dark background.

idle motion0.0%
on click0.0%
on drag0.0%
on wheel0.0%
on enter + space0.0%
on arrow keys0.0%
on w/a/s/d0.0%
frame spread0 / 255
console errors0
js errors
  • boid.alignment is not a function

METRICS

runtime20.3s
tokens in1.2k
tokens out1.8k
cached2.8k
cost / run$0.0015