Class: PrintSquare::Printer

Inherits:

Object

• Object
• PrintSquare::Printer

Defined in:

lib/print_square/printer.rb

Instance Method Summary

• #initialize(size) ⇒ Printer constructor

  A new instance of Printer.

• #out ⇒ Object
• #set(x, y, n) ⇒ Object

Constructor Details

#initialize(size) ⇒ Printer

Returns a new instance of Printer.

# File 'lib/print_square/printer.rb', line 3

def initialize(size)
  @matrix = (1..size).reduce([]) {|matrix,n| matrix + [(1..size).map { 0 }]}
end

Instance Method Details

#out ⇒ Object

# File 'lib/print_square/printer.rb', line 11

def out
  column_sizes = @matrix.first.map(&:to_s).map(&:size)
  @matrix.each{|r| r.each_with_index{|c,i| print "#{' ' if i > 0}%#{column_sizes[i]}s" % c}; puts}
end

#set(x, y, n) ⇒ Object

# File 'lib/print_square/printer.rb', line 7

def set(x, y, n)
  @matrix[y.position][x.position] = n
end