Class: GridGenerator::Cubic::UnitsFactory

Inherits:
Object
  • Object
show all
Defined in:
lib/grid_generator/cubic/units_factory.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(side:, type:, units:) ⇒ UnitsFactory

Returns a new instance of UnitsFactory.



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# File 'lib/grid_generator/cubic/units_factory.rb', line 4

def initialize(side:, type:, units:)
  raise ArgumentError "Unknown Side" unless [:top, :front, :right].include?(side)
  raise ArgumentError "Unknown Type" unless [:width, :height, :offset].include?(type)
  @side = side
  @type = type
  @units = units
end

Instance Attribute Details

#side ⇒ Object (readonly)

Returns the value of attribute side.



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# File 'lib/grid_generator/cubic/units_factory.rb', line 12

def side
  @side
end

#type ⇒ Object (readonly)

Returns the value of attribute type.



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# File 'lib/grid_generator/cubic/units_factory.rb', line 12

def type
  @type
end

#units ⇒ Object (readonly)

Returns the value of attribute units.



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# File 'lib/grid_generator/cubic/units_factory.rb', line 12

def units
  @units
end

Instance Method Details

#build ⇒ Object 



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# File 'lib/grid_generator/cubic/units_factory.rb', line 47

def build
  case side
  when :top
    top_unit
  when :front
    front_unit
  when :right
    right_unit
  end
end

#front_unit ⇒ Object 



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# File 'lib/grid_generator/cubic/units_factory.rb', line 25

def front_unit
  case type
  when :width
    Matrix.column_vector([units, units/2])
  when :height
    Matrix.column_vector([0, units])
  when :offset
    Matrix.column_vector([0,0])
  end
end

#right_unit ⇒ Object 



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# File 'lib/grid_generator/cubic/units_factory.rb', line 36

def right_unit
  case type
  when :width
    Matrix.column_vector([units, (units*-0.5).to_i])
  when :height
    Matrix.column_vector([0, units])
  when :offset
    Matrix.column_vector([0,(units*0.5).to_i])
  end
end

#top_unit ⇒ Object 



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# File 'lib/grid_generator/cubic/units_factory.rb', line 14

def top_unit
  case type
  when :width
    Matrix.column_vector([units, units/2])
  when :height
    Matrix.column_vector([-units, units/2])
  when :offset
    Matrix.column_vector([units,0])
  end
end