Method: Bishop#could_perform_move

Defined in:
lib/bangkok/piece.rb

#could_perform_move(move) ⇒ Object 



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# File 'lib/bangkok/piece.rb', line 124

def could_perform_move(move)
  return false unless super

  # Quick square color check
  square = move.square
  return false unless square.color == @square.color

  d_file = (@square.file - square.file).abs
  d_rank = (@square.rank - square.rank).abs
  return false unless d_file == d_rank # diagonal
  return clear_to?(square)
end