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Double pendulum · mistral-large-2512

Simulate a chaotic double pendulum on a canvas using the correct equations of motion, drawing the arms and a colorful fading trail of the tip.

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transcript · 4 messages
user

Simulate a chaotic double pendulum on a canvas using the correct equations of motion, drawing the arms and a colorful fading trail of the tip.

assistant
write /tmp/ws/index.html (5883 bytes)
toolResult

Successfully wrote 5883 bytes to /tmp/ws/index.html

assistant

The chaotic double pendulum simulation is ready! Open `/tmp/ws/index.html` in a web browser to see it in action. **Features:** - Physically accurate equations of motion for a double pendulum - Smooth animation with a colorful fading trail of the tip - Click anywhere to reset the pendulum with random initial angles - Responsive design that adapts to window resizing - Fully self-contained (no external resources)

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

modelmistral-large-2512
vendorMistral AI
harnesspi-agent
generated2026-08-01

EVALUATION

4/5 working

Double pendulum simulates chaotic motion with colorful fading trail, animates continuously; inputs don't add interactivity but simulation itself runs well.

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 motion1.6%
on click1.1%
on drag1.8%
on wheel1.7%
on enter + space1.2%
on arrow keys1.6%
on w/a/s/d1.6%
frame spread7.1 / 255
console errors0
js errors none

METRICS

runtime23.6s
tokens in4.6k
tokens out1.8k
cached1.4k
cost / run$0.0044