Class: GridGenerator::Skewb::ElementFactory

Inherits:
Object
  • Object
show all
Defined in:
lib/grid_generator/skewb/element_factory.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(grid_x:, grid_y:, row_num:, col_num:, side_size:, units:, colour:, opacity:) ⇒ ElementFactory

Returns a new instance of ElementFactory.



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# File 'lib/grid_generator/skewb/element_factory.rb', line 7

def initialize(grid_x:, grid_y:, row_num:, col_num:, side_size:, units:, colour:, opacity:)
  @grid_x, @grid_y = grid_x, grid_y
  @row_num, @col_num = row_num, col_num
  @side_size, @units = side_size, units
  @colour, @opacity = colour, opacity
end

Instance Attribute Details

#col_num ⇒ Object (readonly)

Returns the value of attribute col_num.



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# File 'lib/grid_generator/skewb/element_factory.rb', line 14

def col_num
  @col_num
end

#colour ⇒ Object (readonly)

Returns the value of attribute colour.



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# File 'lib/grid_generator/skewb/element_factory.rb', line 14

def colour
  @colour
end

#grid_x ⇒ Object (readonly)

Returns the value of attribute grid_x.



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# File 'lib/grid_generator/skewb/element_factory.rb', line 14

def grid_x
  @grid_x
end

#grid_y ⇒ Object (readonly)

Returns the value of attribute grid_y.



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# File 'lib/grid_generator/skewb/element_factory.rb', line 14

def grid_y
  @grid_y
end

#opacity ⇒ Object (readonly)

Returns the value of attribute opacity.



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# File 'lib/grid_generator/skewb/element_factory.rb', line 14

def opacity
  @opacity
end

#row_num ⇒ Object (readonly)

Returns the value of attribute row_num.



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# File 'lib/grid_generator/skewb/element_factory.rb', line 14

def row_num
  @row_num
end

#side_size ⇒ Object (readonly)

Returns the value of attribute side_size.



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# File 'lib/grid_generator/skewb/element_factory.rb', line 14

def side_size
  @side_size
end

#units ⇒ Object (readonly)

Returns the value of attribute units.



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# File 'lib/grid_generator/skewb/element_factory.rb', line 14

def units
  @units
end

Instance Method Details

#build ⇒ Object 



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# File 'lib/grid_generator/skewb/element_factory.rb', line 59

def build
  GridGenerator::BaseElement.new(points: points, colour: colour, opacity: opacity)
end

#offset ⇒ Object 



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# File 'lib/grid_generator/skewb/element_factory.rb', line 16

def offset
  @offset ||= Matrix.column_vector([grid_x, grid_y])
end

#points ⇒ Object 



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# File 'lib/grid_generator/skewb/element_factory.rb', line 20

def points
  _points = case [row_num, col_num]
  when [0, 0] # top left corner
    [
      anchors[:top_left_corner],
      anchors[:top_middle],
      anchors[:left_middle]
    ]
  when [0, 1] # top right corner
    [
      anchors[:top_middle],
      anchors[:top_right_corner],
      anchors[:right_middle]
    ]
  when [1, 0] # center
    [
      anchors[:top_middle],
      anchors[:right_middle],
      anchors[:bottom_middle],
      anchors[:left_middle]
    ]
  when [2, 0] # bottom left corner
    [
      anchors[:left_middle],
      anchors[:bottom_middle],
      anchors[:bottom_left_corner]
    ]
  when [2, 1] # bottom right corner
    [
      anchors[:right_middle],
      anchors[:bottom_right_corner],
      anchors[:bottom_middle]
    ]
  else
    []
  end
  _points.map { |p| p + offset }
end