1. U 140 karaktera:
Code: Select all
life=->g,s{(0..s*s-1).map{|i|->n{n==3||(g[i]&&n==2)||nil}[[g[i-s-1],g[i-s],g[i-s+1],g[i-1],g[i+1],g[i+s1],g[i+s],g[i+s+1]].compact.count]}}
Code: Select all
# The code with some animation logic for demonstration.
#
life=->g,s{(0..s*s-1).map{|i|->n{n==3||(g[i]&&n==2)||nil}[[g[i-s-1],g[i-s],g[i-s+1],g[i-1],g[i+1],g[i+s-1],g[i+s],g[i+s+1]].compact.count]}}
size = 20
grid = (1..size*size).map { rand(0..1)==1 ? 1 : nil }
while true do
system 'clear'
grid = life[grid, size]
(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
2. Screencast (48 min). Malo naprednija tema s obzirom da se koristi RSpec.
http://ryanbigg.com/2011/10/screencast-pilot/