generate.rb

#!/usr/bin/env ruby

def rand_float 
  sprintf("%.1f", rand * 10 * (rand > 0.5 ? 1 : -1).to_f)
end

num = ARGV[0]
radius = ARGV[1]
diameter = ARGV[2]

puts "#{num} #{radius} #{diameter}"

players = [] 
1.upto(num.to_i) do |i|
  players << "#{i} #{rand_float} #{rand_float}"
end

players.shuffle.each do |p|
  puts p
end