Created
February 11, 2014 10:07
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Ruby implementation of Comway's Game of Life
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| class Comway | |
| def initialize(size) | |
| @size = size | |
| @grid = (1..@size*@size).map { rand(0..1)==1 ? 1 : nil } | |
| end | |
| def start_simulation | |
| while true do | |
| system 'clear' | |
| @grid = life | |
| (0..@size-1).each do |y| | |
| (0..@size-1).each do |x| | |
| print "#{(@grid[x+(y*@size)] ? 'O' : '.')}" | |
| end | |
| puts | |
| end | |
| sleep 0.1 | |
| end | |
| end | |
| def life | |
| (0..@size*@size-1).map do |i| | |
| neighbours(compact_grid(i), i) | |
| end | |
| end | |
| def compact_grid(i) | |
| [ | |
| @grid[i-@size-1], @grid[i-@size], @grid[i-@size+1], | |
| @grid[i-1], @grid[i+1], | |
| @grid[i+@size-1], @grid[i+@size], @grid[i+@size+1] | |
| ].compact.count | |
| end | |
| def neighbours(n, i) | |
| n == 3 || ( @grid[i] && n == 2 )|| nil | |
| end | |
| end |
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