Class: Amaze::Grid

Inherits:
Object
  • Object
show all
Defined in:
lib/amaze/grid.rb

Direct Known Subclasses

Delta, Ortho, Polar, Sigma, Upsilon

Defined Under Namespace

Classes: Delta, Ortho, Polar, Sigma, Upsilon

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(rows, columns) ⇒ Grid

Returns a new instance of Grid.



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# File 'lib/amaze/grid.rb', line 15

def initialize rows, columns
  @rows = rows
  @columns = columns
  
  prepare_grid
  configure_cell
end

Instance Attribute Details

#columns ⇒ Object (readonly)

The dimension of the amaze



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# File 'lib/amaze/grid.rb', line 10

def columns
  @columns
end

#grid ⇒ Object (readonly)

The grid



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# File 'lib/amaze/grid.rb', line 13

def grid
  @grid
end

#rows ⇒ Object (readonly)

The dimension of the amaze



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# File 'lib/amaze/grid.rb', line 10

def rows
  @rows
end

Instance Method Details

#[](row, column) ⇒ Object 



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# File 'lib/amaze/grid.rb', line 31

def [](row, column)
  return nil unless row.between?(0, rows-1)
  return nil unless column.between?(0, columns-1)
  grid[row][column]
end

#configure_cell ⇒ Object

Raises:

  • (NotImplementedError) 


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# File 'lib/amaze/grid.rb', line 27

def configure_cell
  raise NotImplementedError
end

#deadends ⇒ Object 



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# File 'lib/amaze/grid.rb', line 55

def deadends
  list = []
  each_cell do |cell|
    list << cell if cell.links.size == 1
  end
  list
end

#each_cell ⇒ Object 



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# File 'lib/amaze/grid.rb', line 43

def each_cell
  each_row do |row|
    row.each do |cell|
      yield cell if cell
    end
  end
end

#each_row ⇒ Object 



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# File 'lib/amaze/grid.rb', line 37

def each_row
  grid.each do |row|
    yield row
  end
end

#prepare_grid ⇒ Object

Raises:

  • (NotImplementedError) 


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# File 'lib/amaze/grid.rb', line 23

def prepare_grid
  raise NotImplementedError
end

#random_cell ⇒ Object 



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# File 'lib/amaze/grid.rb', line 51

def random_cell
  self[rand(rows), rand(columns)]
end

#size ⇒ Object 



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# File 'lib/amaze/grid.rb', line 63

def size
  rows * columns
end