rb

def move(direction) #Returns what the new coords would be, Sokoban.handle_move then checks if these are valid
    pp @coordinates
    case direction.downcase!
    when "up"
      move_up()
    when "down"
      move_down()
    when "right"
      move_right()
    when "left"
      move_left()
    end
  end
  
  #The third entry in these return values are whether the man moved up, down, right or left for the Sokoban.handle_move
  def move_up()
  	[@coordinates[0] - 1, @coordinates[1], "up"]
  end
  
  def move_down()
  	[@coordinates[0] + 1, @coordinates[1], "down"]
  end
  
  def move_right()
  	[@coordinates[0], @coordinates[1] + 1, "right"]
  end
  
  def move_left()
  	[@coordinates[0], @coordinates[1] - 1, "left"]
  end