Description Usage Arguments Details Value Author(s) See Also Examples
An implementation of Conway's Game of Life, a classical cellular automaton,
using the morph
function. The gosperGliderGun
function provides an interesting starting configuration.
1 2 3 4  gameOfLife(init, size, density = 0.3, steps = 200, viz = FALSE,
tick = 0.5)
gosperGliderGun()

init 
The initial state of the automaton, a binary matrix. If missing,
the initial state will be randomly generated, with a population density
given by 
size 
The dimensions of the board. Defaults to the size of

density 
The approximate population density of the starting state.
Ignored if 
steps 
The number of generations of the automaton to simulate. 
viz 
If 
tick 
The amount of time, in seconds, to pause before plotting each
successive generation. Ignored if 
Conway's Game of Life is a simple cellular automaton, based on a 2D matrix of “cells”. It shows complex behaviour based on four simple rules. These are:
Any live cell with fewer than two live neighbours dies, as if caused by underpopulation.
Any live cell with two or three live neighbours lives on to the next generation.
Any live cell with more than three live neighbours dies, as if by overcrowding.
Any dead cell with exactly three live neighbours becomes a live cell, as if by reproduction.
Live and dead cells are represented by 1s and 0s in the matrix, respectively.
The initial state and the rules above completely determine the behaviour of the system. The Gosper glider gun is an interesting starting configuration that generates socalled “gliders”, which propagate across the board.
In principle the size of the board in a cellular automaton is infinite. Of course this is not easy to simulate, but this implementation adds a border of two extra cells around the board on all sides to approximate an infinite board slightly better. These are not visualised, nor returned in the final state.
A binary matrix representing the final state of the system after
steps
generations.
Jon Clayden <[email protected]>
The morph
function, which powers this simulation.
1  ## Not run: gameOfLife(init=gosperGliderGun(), size=c(40,40), steps=50, viz=TRUE)

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