robot-traverse.rb

class Robot
  def initialize(current_location = [0,0], input)
    @current_location = current_location
    @input = input
    @current_direction = "N"
    @direction_options = ["N","W", "S", "E"]
  end
  
  def starting_location
    [0,0]
  end

  def returns_to_origin
    if @current_location=="" || @current_location == starting_location
      true
    else
      false
    end
  end

  def movements
    @input.map do |move|
      if move == "G"
        move_forward
      elsif move == "L"
        left_turn
      elsif move == "R"
        right_turn
      else
         p "you entered an invalid movement"
      end
     end
    end
    
   def move_forward
     if @current_direction == "N"
      @current_location[1] +=1
     elsif @current_direction == "W"
       @current_location[0] -=1
     elsif @current_direction == "S"
       @current_location[1] -=1
     elsif @current_direction == "E"
       @current_location[0] += 1
   end
    
   def left_turn
   end
    
   def right_turn
   end
     
#    Would update the current direction based on the current direction and the direction turning. Couldn't quite figure out the approach in time.