Class: Abstracta::World

Inherits:
Object
  • Object
show all
Extended by:
Forwardable
Defined in:
lib/abstracta/world.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(geometry = [100,100], opts = {}) ⇒ World

def_delegators :compass, :distance_from



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# File 'lib/abstracta/world.rb', line 10

def initialize(geometry=[100,100], opts={})
  @grid            = Grid.new(geometry)
  #@compass         = Compass.default
  @density         = opts.delete(:density) { 0.05 }

  @territory_count = opts.delete(:territory_count) { width * height * @density }
  @territories = []
  @territories = create_territories(@territory_count)
  update_map

  @age = 0

  @developer = WorldDeveloper.new(self)
end

Instance Attribute Details

#age ⇒ Object (readonly)

Returns the value of attribute age.



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# File 'lib/abstracta/world.rb', line 4

def age
  @age
end

#developer ⇒ Object (readonly)

Returns the value of attribute developer.



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# File 'lib/abstracta/world.rb', line 4

def developer
  @developer
end

#grid ⇒ Object (readonly)

Returns the value of attribute grid.



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# File 'lib/abstracta/world.rb', line 4

def grid
  @grid
end

#territories ⇒ Object (readonly)

Returns the value of attribute territories.



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# File 'lib/abstracta/world.rb', line 4

def territories
  @territories
end

Instance Method Details

#age! ⇒ Object 



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# File 'lib/abstracta/world.rb', line 35

def age!
  @age = @age + 1
end

#available_adjacent(territory) ⇒ Object 



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# File 'lib/abstracta/world.rb', line 69

def available_adjacent(territory)
  @grid.clip territory.adjacent.reject(&method(:occupied?)) # { |xy| occupied.include?(xy) } # & available # - occupied
end

#compute_occupied ⇒ Object 



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# File 'lib/abstracta/world.rb', line 57

def compute_occupied
  territories.map(&:occupants).flatten.map(&:location)
end

#compute_projected_targets(territory, n = territory.growth) ⇒ Object 



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# File 'lib/abstracta/world.rb', line 65

def compute_projected_targets(territory, n=territory.growth)
  available_adjacent(territory).take(n)
end

#create_territories(n = 1) ⇒ Object 



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# File 'lib/abstracta/world.rb', line 30

def create_territories(n=1)
  seeds = @grid.sample(n)
  Array.new(n) { territory_class.new([seeds.pop]) }
end

#occupied ⇒ Object

def update_territories @territories.each do |territory| update_map targets = compute_projected_targets(territory) territory.step(targets) end end



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# File 'lib/abstracta/world.rb', line 53

def occupied
  @occupied ||= compute_occupied
end

#occupied?(xy) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/abstracta/world.rb', line 61

def occupied?(xy)
  @occupied.include?(xy)
end

#territory_class ⇒ Object 



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# File 'lib/abstracta/world.rb', line 29

def territory_class; Territory end

#update_map ⇒ Object 



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# File 'lib/abstracta/world.rb', line 25

def update_map
  @occupied = compute_occupied
end