Conway's Life

Conway's Life in Greenfoot

A 2 dimensional cellular automaton. Each cell is "dead" or "alive".
The next step of the simulation is determined by these rules (via Wikipedia):

1. Any live cell with fewer than two live neighbours dies, as if by needs caused by underpopulation.
2. Any live cell with more than three live neighbours dies, as if by overcrowding.
3. Any live cell with two or three live neighbours lives, unchanged, to the next generation.
4. Any dead cell with exactly three live neighbours becomes a live cell.

The space is modeled as a toroid (donut), so the cells are on a finite but boundless surface. The top connects to the bottom, and the left connects to the right.

GUI buttons control the Simulation.
Start runs the simulation
Stop pauses the simulation
Rand populates the simulation with random cells
Blank pauses and clears the simulation, so you can draw your own configuration.

Use the left-click of the mouse to draw cells.

TO DO:
Check for simple (period of 2) steady state and pause simulation until perturbed?

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Tags: mouse simulation with-source life conway cellularautomata al ca cellularautomaton gui

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