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Matrix digital rain · grok-4.6

Create the Matrix digital rain effect on a full-screen black canvas: columns of falling green katakana glyphs with a trailing fade and a brighter leading character.

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transcript · 4 messages
user

Create the Matrix digital rain effect on a full-screen black canvas: columns of falling green katakana glyphs with a trailing fade and a brighter leading character.

assistant
thinking
The user wants me to create a Matrix digital rain effect as a single-page web app in index.html. Let me create a polished, self-contained implementation.

I'll build a self-contained Matrix rain page with a full-screen canvas, falling katakana columns, fade trails, and brighter lead glyphs.

write /tmp/ws/index.html (4471 bytes)
toolResult

Successfully wrote 4471 bytes to /tmp/ws/index.html

assistant
thinking
The file was written successfully. The user asked for a Matrix digital rain effect in a single self-contained index.html file. I've created that. I should confirm the file exists.

`index.html` is in the current directory. Open it in a browser for a full-screen Matrix rain: black canvas, falling katakana (plus a few digits/symbols), fading green trails, and a brighter glowing lead glyph on each column. 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

modelgrok-4.6
vendorxAI · Grok
harnesspi-agent
generated2026-08-13

EVALUATION

4/5 working

Classic Matrix digital rain with green katakana columns, fading trails, and bright leading chars; animates continuously regardless of input.

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 motion25.4%
on click32.5%
on drag38.5%
on wheel41.2%
on enter + space35.0%
on arrow keys44.1%
on w/a/s/d35.3%
frame spread23.2 / 255
console errors0
js errors none

METRICS

runtime21.0s
tokens in4.8k
tokens out1.6k
cached1.7k
cost / run$0.0166