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Versions: 329
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Contents
module Bookkeeping
VERSION = 1
end
class Diamond
def self.make_diamond(letter)
script = ""
have_reached_middle = false
space_from_middle = 0
total_lines = ((letter.ord - 64) * 2 - 1)
middle = total_lines/2
letter_char_code = 65
(0..total_lines - 1).each do |i|
line = Array.new(total_lines, " ") # creates a line in each loop
if i == 0 || i == total_lines - 1 # placing the letter A in the beginning and end
line[middle] = "A"
else
first_repeated_letter = middle - space_from_middle # find position and place letters in positions
second_repeated_letter = middle + space_from_middle
line[first_repeated_letter] = letter_char_code.chr
line[second_repeated_letter] = letter_char_code.chr
end
script += line.join("") + "\n"
if i == middle #check if reached middle so it can start decrementing position of letters
have_reached_middle = true
end
if !have_reached_middle
space_from_middle += 1
letter_char_code += 1
else
space_from_middle -= 1
letter_char_code -= 1
end
end #end loop
# puts script #shows the outputted diamond
script
end #end method
end
Version data entries
329 entries across 329 versions & 1 rubygems