Transcription of https://github.com/holtzermann17/mathgame/blob/master/snowman.py into ruby

snowman.rb

# Decrease height along an asymptote (3 / x + 1)
def update(height, time)
  height - 3.0/(time+1.0)
end

# Initial height
initial_height = current_height = 10.0

# run the simulation 15 times
heights = (0...15).map do |time|
  current_height = update(current_height, time)
end

# Put time0 value at the start of the array
heights.unshift(initial_height)

# Output
puts "time  | height"
heights.each_with_index do |height, time|
  time_str = time.to_s
  puts " " + time_str + (" " * (5 -time_str.length)) + "| " + height.to_s
end