Class: Stroop::ColorGenerator

Inherits:
Object
  • Object
show all
Defined in:
lib/stroop/color_generator.rb

Constant Summary collapse

COLORS = 
%w{ black white red green blue yellow }.freeze

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(seed: nil) ⇒ ColorGenerator

Returns a new instance of ColorGenerator.



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# File 'lib/stroop/color_generator.rb', line 7

def initialize(seed: nil)
  @seed = seed || Random.new_seed
  @single_random = Random.new(@seed)
  @pair_random = Random.new(@seed)
end

Instance Attribute Details

#seed ⇒ Object (readonly)

Returns the value of attribute seed.



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# File 'lib/stroop/color_generator.rb', line 5

def seed
  @seed
end

Instance Method Details

#generate ⇒ Object 



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# File 'lib/stroop/color_generator.rb', line 13

def generate
  selected = random_select(@single_random)

  while selected == @last_generated do
    selected = random_select(@single_random)
  end

  @last_generated = selected
end

#generate_pair ⇒ Object 



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# File 'lib/stroop/color_generator.rb', line 23

def generate_pair
  first = generate
  second = random_select(@pair_random)

  while first == second || second == @last_generated_second do
    second = random_select(@pair_random)
  end

  @last_generated_second = second
  [first, second]
end