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L-system tree · mistral-medium-3.1

Using the pre-provided p5.min.js (global p5), grow a procedural L-system fractal tree that branches recursively and sways gently in the wind.

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user

Using the pre-provided p5.min.js (global p5), grow a procedural L-system fractal tree that branches recursively and sways gently in the wind.

assistant
write index.html (5251 bytes)
toolResult

Successfully wrote 5251 bytes to index.html

assistant

Created a self-contained `index.html` file with a procedural L-system fractal tree that: 1. **Grows recursively** using L-system rules (`F → FF+[+F-F-F]-[-F+F+F]`) 2. **Sways gently in the wind** (toggle with 'w' key) 3. **Regenerates on click** with random parameters 4. **Features**: - Golden-ratio-inspired branching angles - Dynamic branch thickness - Seasonal color gradients - Wind simulation with adjustable amplitude - No external dependencies (uses local p5.min.js) The tree is fully contained in a single HTML file with inline CSS and JavaScript. Open it in any modern browser to see the animation.

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-medium-3.1
vendorMistral AI
harnesspi-agent
generated2026-08-01

EVALUATION

2/5 partial

Tree renders as a chaotic tangle of overlapping lines, not a recognizable branching tree; regenerates on click but no idle sway.

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 click5.2%
on drag3.2%
on wheel0.1%
on enter + space0.3%
on arrow keys1.4%
on w/a/s/d1.7%
frame spread24.8 / 255
console errors0
js errors none

METRICS

runtime16.1s
tokens in4.5k
tokens out1.7k
cached2.6k
cost / run$0.0042