Class: Toybot::Direction

Inherits:

Object

• Object
• Toybot::Direction

Defined in:

lib/toybot/direction.rb

Constant Summary

DIRECTIONS =

[:north, :east, :south, :west]

Instance Attribute Summary

• #value ⇒ Object

  Returns the value of attribute value.

Instance Method Summary

• #initialize(facing = :north) ⇒ Direction constructor

  A new instance of Direction.

• #rotate_clockwise! ⇒ Object
• #rotate_counter_clockwise! ⇒ Object
• #to_s ⇒ Object

Constructor Details

#initialize(facing = :north) ⇒ Direction

# File 'lib/toybot/direction.rb', line 6

def initialize facing = :north
  self.value = facing
end

Instance Attribute Details

#value ⇒ Object

Returns the value of attribute value.

# File 'lib/toybot/direction.rb', line 2

def value
  @value
end

Instance Method Details

#rotate_clockwise! ⇒ Object

# File 'lib/toybot/direction.rb', line 14

def rotate_clockwise!
  self.value = DIRECTIONS[DIRECTIONS.index(@value) + 1] || DIRECTIONS[0]
end

#rotate_counter_clockwise! ⇒ Object

# File 'lib/toybot/direction.rb', line 18

def rotate_counter_clockwise!
  self.value = DIRECTIONS[DIRECTIONS.index(@value) - 1]
end

#to_s ⇒ Object

# File 'lib/toybot/direction.rb', line 22

def to_s
  @value.to_s
end