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colintsteele/gwf.rb

Last active April 16, 2018 16:37
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great weapon fighting
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gwf.rb
def get_avg(die_type, dice_count = 1)
rolls = 1_000_000
avg = (1..rolls).inject(0.0) do |acc, _n|
dice_count.times do
roll = rand(die_type)
acc += ( (roll < 3) ? rand(die_type) : roll )
end
acc
end
avg/rolls
end
puts "1d12 average = #{get_avg(12)}"
puts "2d6 average = #{get_avg(6, 2)}"
puts "1d10 average = #{get_avg(10)}"
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