Class: RubyOnAcid::AttractionFactory

Inherits:
Factory
  • Object
show all
Defined in:
lib/rubyonacid/factories/attraction.rb

Constant Summary collapse

SQUARE_ROOT_OF_TWO = 
Math.sqrt(2.0)

Instance Attribute Summary collapse

Instance Method Summary collapse

Methods inherited from Factory

#boolean, #choose, #get, #within

Constructor Details

#initialize(source_factory = nil, attractor_factory = nil) ⇒ AttractionFactory

Returns a new instance of AttractionFactory.


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# File 'lib/rubyonacid/factories/attraction.rb', line 15

def initialize(source_factory = nil, attractor_factory = nil)
  super
  @source_factory = source_factory
  @attractor_factory = attractor_factory
end

Instance Attribute Details

#attractor_factory ⇒ Object

Values from source_factory will be “pulled” toward values from this factory.


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# File 'lib/rubyonacid/factories/attraction.rb', line 13

def attractor_factory
  @attractor_factory
end

#source_factory ⇒ Object

Factory to get values from.


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# File 'lib/rubyonacid/factories/attraction.rb', line 10

def source_factory
  @source_factory
end

Instance Method Details

#get_unit(key) ⇒ Object

Get a value from the source_factory and a value from the attractor_factory. The source_factory value will be adjusted to be closer to the attractor_factory value. The closer the values are, the greater the adjustment.


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# File 'lib/rubyonacid/factories/attraction.rb', line 24

def get_unit(key)
  # force = delta * @magnetism / (distance * Jemini::Math::SQUARE_ROOT_OF_TWO)
  value = @source_factory.get_unit(key)
  attractor_value = @attractor_factory.get_unit(key)
  distance = value - attractor_value
  return_value = value - (0.1 / (distance * SQUARE_ROOT_OF_TWO))
  if value > attractor_value and return_value < attractor_value
    return_value = attractor_value
  elsif value < attractor_value and return_value > attractor_value
    return_value = attractor_value
  end
  return_value
end