Class: GridGenerator::CurvyCopter::ElementFactory

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

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

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

Returns a new instance of ElementFactory.



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# File 'lib/grid_generator/curvy_copter/element_factory.rb', line 12

def initialize(grid_x:, grid_y:, row_num:, col_num:, units:, colour:, opacity:)
  @grid_x, @grid_y = grid_x, grid_y
  @row_num, @col_num = row_num, col_num
  @units =  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/curvy_copter/element_factory.rb', line 19

def col_num
  @col_num
end

#colour ⇒ Object (readonly)

Returns the value of attribute colour.



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# File 'lib/grid_generator/curvy_copter/element_factory.rb', line 19

def colour
  @colour
end

#grid_x ⇒ Object (readonly)

Returns the value of attribute grid_x.



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# File 'lib/grid_generator/curvy_copter/element_factory.rb', line 19

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/curvy_copter/element_factory.rb', line 19

def grid_y
  @grid_y
end

#opacity ⇒ Object (readonly)

Returns the value of attribute opacity.



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# File 'lib/grid_generator/curvy_copter/element_factory.rb', line 19

def opacity
  @opacity
end

#row_num ⇒ Object (readonly)

Returns the value of attribute row_num.



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# File 'lib/grid_generator/curvy_copter/element_factory.rb', line 19

def row_num
  @row_num
end

#units ⇒ Object (readonly)

Returns the value of attribute units.



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# File 'lib/grid_generator/curvy_copter/element_factory.rb', line 19

def units
  @units
end

Instance Method Details

#anchors ⇒ Object 



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# File 'lib/grid_generator/curvy_copter/element_factory.rb', line 25

def anchors
  {}
end

#build ⇒ Object 



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# File 'lib/grid_generator/curvy_copter/element_factory.rb', line 139

def build
  GridGenerator::Svg::Path.new(d: d, style: style)
end

#commands ⇒ Object 



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# File 'lib/grid_generator/curvy_copter/element_factory.rb', line 29

def commands 
  case [row_num, col_num]
  when [0, 0] # Top Left Corner 
    [
      GridGenerator::Svg::MoveCommand.new(points: [anchors[:top_left_corner]]),
      GridGenerator::Svg::LineCommand.new(points: [anchors[:top_edge_left]]),
      GridGenerator::Svg::QuadraticCommand.new(points: [anchors[:top_left_corner_center], anchors[:left_edge_top]]),
      GridGenerator::Svg::CloseCommand.new
    ]
  when [0, 1] # Top Middle Edge
    [
      GridGenerator::Svg::MoveCommand.new(points: [anchors[:top_edge_left]]),
      GridGenerator::Svg::LineCommand.new(points: [anchors[:top_edge_right]]),
      GridGenerator::Svg::QuadraticCommand.new(points: [anchors[:top_edge_center], anchors[:center]]),
      GridGenerator::Svg::QuadraticCommand.new(points: [anchors[:top_edge_center], anchors[:top_edge_left]]),
      GridGenerator::Svg::CloseCommand.new
    ]
  when [0, 2] # Top Right Corner
    [
      GridGenerator::Svg::MoveCommand.new(points: [anchors[:top_edge_right]]),
      GridGenerator::Svg::LineCommand.new(points: [anchors[:top_right_corner]]),
      GridGenerator::Svg::LineCommand.new(points: [anchors[:right_edge_top]]),
      GridGenerator::Svg::QuadraticCommand.new(points: [anchors[:top_right_corner_center], anchors[:top_edge_right]]),
      GridGenerator::Svg::CloseCommand.new
    ]
  when [1, 0] # Top Left Middle
    [
      GridGenerator::Svg::MoveCommand.new(points: [anchors[:top_edge_left]]),
      GridGenerator::Svg::QuadraticCommand.new(points: [anchors[:top_edge_center], anchors[:center]]),
      GridGenerator::Svg::QuadraticCommand.new(points: [anchors[:left_edge_center], anchors[:left_edge_top]]),
      GridGenerator::Svg::QuadraticCommand.new(points: [anchors[:top_left_corner_center], anchors[:top_edge_left]]),
      GridGenerator::Svg::CloseCommand.new
    ]
  when [1, 1] # Top Right Middle
    [
      GridGenerator::Svg::MoveCommand.new(points: [anchors[:top_edge_right]]),
      GridGenerator::Svg::QuadraticCommand.new(points: [anchors[:top_right_corner_center], anchors[:right_edge_top]]),
      GridGenerator::Svg::QuadraticCommand.new(points: [anchors[:right_edge_center], anchors[:center]]),
      GridGenerator::Svg::QuadraticCommand.new(points: [anchors[:top_edge_center], anchors[:top_edge_right]]),
      GridGenerator::Svg::CloseCommand.new
    ]
  when [2, 0] # Middle Left Edge 
    [
      GridGenerator::Svg::MoveCommand.new(points: [anchors[:left_edge_top]]),
      GridGenerator::Svg::QuadraticCommand.new(points: [anchors[:left_edge_center], anchors[:center]]),
      GridGenerator::Svg::QuadraticCommand.new(points: [anchors[:left_edge_center], anchors[:left_edge_bottom]]),
      GridGenerator::Svg::CloseCommand.new
    ]
  when [2, 1] # Middle Right Edge
    [
      GridGenerator::Svg::MoveCommand.new(points: [anchors[:right_edge_top]]),
      GridGenerator::Svg::LineCommand.new(points: [anchors[:right_edge_bottom]]),
      GridGenerator::Svg::QuadraticCommand.new(points: [anchors[:right_edge_center], anchors[:center]]),
      GridGenerator::Svg::QuadraticCommand.new(points: [anchors[:right_edge_center], anchors[:right_edge_top]]),
      GridGenerator::Svg::CloseCommand.new
    ]
  when [3, 0] # Bottom Left Middle 
    [
      GridGenerator::Svg::MoveCommand.new(points: [anchors[:left_edge_bottom]]),
      GridGenerator::Svg::QuadraticCommand.new(points: [anchors[:left_edge_center], anchors[:center]]),
      GridGenerator::Svg::QuadraticCommand.new(points: [anchors[:bottom_edge_center], anchors[:bottom_edge_left]]),
      GridGenerator::Svg::QuadraticCommand.new(points: [anchors[:bottom_left_corner_center], anchors[:left_edge_bottom]]),
      GridGenerator::Svg::CloseCommand.new
    ]
  when [3, 1] # Bottom Right Middle
    [
      GridGenerator::Svg::MoveCommand.new(points: [anchors[:center]]),
      GridGenerator::Svg::QuadraticCommand.new(points: [anchors[:right_edge_center], anchors[:right_edge_bottom]]),
      GridGenerator::Svg::QuadraticCommand.new(points: [anchors[:bottom_right_corner_center], anchors[:bottom_edge_right]]),
      GridGenerator::Svg::QuadraticCommand.new(points: [anchors[:bottom_edge_center], anchors[:center]]),
      GridGenerator::Svg::CloseCommand.new
    ]
  when [4, 0] # Bottom Left Corner 
    [
      GridGenerator::Svg::MoveCommand.new(points: [anchors[:left_edge_bottom]]),
      GridGenerator::Svg::QuadraticCommand.new(points: [anchors[:bottom_left_corner_center], anchors[:bottom_edge_left]]),
      GridGenerator::Svg::LineCommand.new(points: [anchors[:bottom_left_corner]]),
      GridGenerator::Svg::CloseCommand.new
    ]
  when [4, 1] # Bottom Middle Edge 
    [
      GridGenerator::Svg::MoveCommand.new(points: [anchors[:center]]),
      GridGenerator::Svg::QuadraticCommand.new(points: [anchors[:bottom_edge_center], anchors[:bottom_edge_right]]),
      GridGenerator::Svg::LineCommand.new(points: [anchors[:bottom_edge_left]]),
      GridGenerator::Svg::QuadraticCommand.new(points: [anchors[:bottom_edge_center], anchors[:center]]),
      GridGenerator::Svg::CloseCommand.new
    ]
  when [4, 2] # Bottom Right Corner 
    [
      GridGenerator::Svg::MoveCommand.new(points: [anchors[:right_edge_bottom]]),
      GridGenerator::Svg::LineCommand.new(points: [anchors[:bottom_right_corner]]),
      GridGenerator::Svg::LineCommand.new(points: [anchors[:bottom_edge_right]]),
      GridGenerator::Svg::QuadraticCommand.new(points: [anchors[:bottom_right_corner_center], anchors[:right_edge_bottom]]),
      GridGenerator::Svg::CloseCommand.new
    ]
  else
    [] 
  end
end

#d ⇒ Object 



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# File 'lib/grid_generator/curvy_copter/element_factory.rb', line 133

def d
  commands.map do |c| 
    (c + offset) 
  end
end

#offset ⇒ Object 



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# File 'lib/grid_generator/curvy_copter/element_factory.rb', line 21

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

#style ⇒ Object 



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# File 'lib/grid_generator/curvy_copter/element_factory.rb', line 129

def style
  GridGenerator::Svg::Style.new(fill: colour, opacity: opacity)
end