Class: Knossos::Algorithm::HuntAndKill

Inherits:
Object
  • Object
show all
Defined in:
lib/knossos/algorithm/hunt_and_kill.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(**options) ⇒ HuntAndKill

Returns a new instance of HuntAndKill.



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# File 'lib/knossos/algorithm/hunt_and_kill.rb', line 6

def initialize(**options)
  options = defaults.merge(options)
end

Instance Attribute Details

#bias ⇒ Object (readonly)

Returns the value of attribute bias.



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# File 'lib/knossos/algorithm/hunt_and_kill.rb', line 4

def bias
  @bias
end

Instance Method Details

#carve(grid:, seed: nil) ⇒ Object 



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# File 'lib/knossos/algorithm/hunt_and_kill.rb', line 10

def carve(grid:, seed: nil)
  srand(seed || Kernel.srand)

  current = grid.random_cell

  while current
    unvisited_neighbors = grid.neighborhood(current).select { |n| n.links.empty? }

    if unvisited_neighbors.any?
      neighbor = unvisited_neighbors.sample
      grid.build_passage(current, neighbor)
      current = neighbor
    else
      current = nil

      grid.each_cell do |cell|
        visited_neighbors = grid.neighborhood(cell).select { |n| n.links.any? }
        if cell.links.empty? && visited_neighbors.any?
          current = cell

          neighbor = visited_neighbors.sample
          grid.build_passage(current, neighbor)

          break
        end
      end
    end
  end

  grid
end