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Conway's Game of Life · minimax-m2.1

Run Conway's Game of Life on a full-screen canvas grid with click-and-drag to toggle cells, plus play/pause, step, randomize, and clear controls.

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user

Run Conway's Game of Life on a full-screen canvas grid with click-and-drag to toggle cells, plus play/pause, step, randomize, and clear controls.

assistant
thinking
The user wants me to create a Conway's Game of Life web app with the following features:
1. Full-screen canvas grid
2. Click-and-drag to toggle cells
3. Play/pause control
4. Step control (advance one generation)
5. Randomize control (randomize the grid)
6. Clear control (clear the grid)

I need to create a single self-contained HTML file with CSS and JavaScript inline. Let me build this.

Key features to implement:
- Canvas that fills the screen
- Grid system for cells
- Click and drag interaction to draw cells
- Game logic for Conway's Game of Life rules:
  - Any live cell with 2 or 3 live neighbors survives
  - Any dead cell with exactly 3 live neighbors becomes alive
  - All other live cells die, all other dead cells stay dead
- Controls: play/pause, step, randomize, clear

Let me write this as a complete HTML file.
write /tmp/ws/index.html (12220 bytes)
toolResult

Successfully wrote 12220 bytes to /tmp/ws/index.html

assistant
thinking
The file has been created. Let me verify it exists and the content is correct.
bash {"command":"ls -la /tmp/ws/index.html"}
toolResult

-rw-r--r--. 1 node node 12220 Aug 1 20:08 /tmp/ws/index.html

assistant
thinking
The file has been created successfully. It's 12KB which seems right for a self-contained HTML file with all the CSS and JavaScript inline. Let me provide a summary to the user.

Created `index.html` with Conway's Game of Life featuring: - **Full-screen canvas** with a teal/pink grid aesthetic and glow effects - **Click-and-drag** to toggle cells (works on touch devices too) - **Play/Pause** button to start/stop the simulation - **Step** button to advance one generation manually - **Random** button to populate the grid randomly (~30% density) - **Clear** button to reset the grid - **Generation counter** in the top-right corner - Grid wraps around edges (toroidal topology) Open `index.html` in a browser to play!

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

modelminimax-m2.1
vendorMiniMax
harnesspi-agent
generated2026-08-01

EVALUATION

3/5 partial

Static Game of Life grid with buttons visible, but no evolution, click/drag toggling, or keyboard response detected.

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 drag0.6%
on wheel0.0%
on enter + space0.0%
on arrow keys0.0%
on w/a/s/d0.0%
frame spread49.1 / 255
console errors0
js errors none

METRICS

runtime29.6s
tokens in635
tokens out3.4k
cached10k
cost / run$0.0046