Module: Matrext

Defined in:
lib/matrext/core.rb,
lib/matrext.rb,
lib/matrext/version.rb

Overview

lib/matrext/core.rb The core processing unit

Defined Under Namespace

Classes: Base

Constant Summary collapse

NOISE_MIN_DEFAULT = 
4
NOISE_MAX_DEFAULT = 
6
DELAY_MIN_DEFAULT = 
0.009
DELAY_MAX_DEFAULT = 
0.012
VERSION = 
'0.4.2'

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Attribute Details

#alpha_chars ⇒ Object

Returns the value of attribute alpha_chars.



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# File 'lib/matrext/core.rb', line 10

def alpha_chars
  @alpha_chars
end

#numeric_chars ⇒ Object

Returns the value of attribute numeric_chars.



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# File 'lib/matrext/core.rb', line 10

def numeric_chars
  @numeric_chars
end

#random_chars ⇒ Object

Returns the value of attribute random_chars.



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# File 'lib/matrext/core.rb', line 10

def random_chars
  @random_chars
end

Class Method Details

.alpha_chars ⇒ Object 



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# File 'lib/matrext/core.rb', line 64

def self.alpha_chars
  ((65..90).map{|i| i.chr} | (97..122).map{|i| i.chr})
end

.create_character_pool(options) ⇒ Object 



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# File 'lib/matrext/core.rb', line 76

def self.create_character_pool(options)
  chars = []

  chars = chars | alpha_chars if options.fetch(:alpha)
  chars = chars | numeric_chars if options.fetch(:numeric)
  chars = chars | random_chars if options.fetch(:random)
  
  return chars
end

.get_random_letter(chars) ⇒ Object 



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# File 'lib/matrext/core.rb', line 86

def self.get_random_letter(chars)
  chars[rand(0..chars.length-1)]
end

.numeric_chars ⇒ Object 



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# File 'lib/matrext/core.rb', line 68

def self.numeric_chars
  (48..57).map{|i| i.chr}
end

.process(options = {:oneline => false, :alpha => true, :numeric => true, :random => true}) ⇒ Object 



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# File 'lib/matrext/core.rb', line 12

def self.process(options = {:oneline => false, :alpha => true, :numeric => true, :random => true})
  character_pool = self.create_character_pool(options)

  letters = options[:phrase]

  unless options[:speed].nil?
    speed = options[:speed].to_sym
  end

  case speed
  when :insane
    noise_min = 1
    noise_max = 2
    delay_min = 0.0005
    delay_max = 0.0015
  when :fast
    noise_min = 2
    noise_max = 4
    delay_min = 0.003
    delay_max = 0.005
  when :slow
    noise_min = 5
    noise_max = 7
    delay_min = 0.03
    delay_max = 0.05
  else
    noise_min = NOISE_MIN_DEFAULT
    noise_max = NOISE_MIN_DEFAULT
    delay_min = DELAY_MIN_DEFAULT
    delay_max = DELAY_MAX_DEFAULT
  end

  letters.each_char do |l|
    letter_noise = rand(noise_min..noise_max)
    letter_delay = rand(delay_min..delay_max)
   
    (0..letter_noise).each do |n|
      print get_random_letter(character_pool)
      sleep(letter_delay)
      print "\b"
    end
    print l.upcase
    sleep(letter_delay)
  end

  if options[:oneline].equal? false
    puts
  end
end

.random_chars ⇒ Object 



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# File 'lib/matrext/core.rb', line 72

def self.random_chars
  ((33..47).map{|i| i.chr} | (91..96).map{|i| i.chr} | (123..126).map{|i| i.chr})
end