Class: Map

Inherits:
Object
  • Object
show all
Defined in:
lib/tetris/map.rb

Instance Method Summary collapse

Constructor Details

#initialize(w, h) ⇒ Map

Returns a new instance of Map.



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# File 'lib/tetris/map.rb', line 2

def initialize(w, h)
  @w = w
  @h = h
  @tiles = Array.new(h) {Array.new(w, nil)}
end

Instance Method Details

#free?(x, y) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/tetris/map.rb', line 22

def free?(x, y)
  x >= 0 and x < @w and y >= 0 and y < @h and not @tiles[y][x]
end

#set(x, y, colour) ⇒ Object 



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# File 'lib/tetris/map.rb', line 8

def set(x, y, colour)
  @tiles[y][x] = colour
end

#squares ⇒ Object 



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# File 'lib/tetris/map.rb', line 12

def squares
  Enumerator.new do |yielder|
    @tiles.each_with_index do |line, y|
      line.each_with_index do |colour, x|
        yielder.yield(x, y, colour) if colour
      end
    end
  end
end

#update ⇒ Object 



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# File 'lib/tetris/map.rb', line 26

def update
  points = 0
  shift_lines! {|line| points += 1 if line.all?}
  points
end