Class: Robot::Matrix

Inherits:
Object
  • Object
show all
Defined in:
lib/robot/matrix.rb

Constant Summary collapse

DIRECTION_ARROWS = 
{
  north: '^',
  east: '>',
  south: 'v',
  west: '<'
}

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(position, direction) ⇒ Matrix

Returns a new instance of Matrix.



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# File 'lib/robot/matrix.rb', line 13

def initialize(position, direction)
  @position = position
  @direction = direction
  @matrix = generate_matrix
end

Instance Attribute Details

#direction ⇒ Object (readonly)

Returns the value of attribute direction.



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# File 'lib/robot/matrix.rb', line 3

def direction
  @direction
end

#matrix ⇒ Object

Returns the value of attribute matrix.



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# File 'lib/robot/matrix.rb', line 4

def matrix
  @matrix
end

#position ⇒ Object (readonly)

Returns the value of attribute position.



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# File 'lib/robot/matrix.rb', line 3

def position
  @position
end

Instance Method Details

#to_s ⇒ Object

puts an arrow pointing in the direction of the current x,y of the robot on a matrix and returns a string of the matrix



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# File 'lib/robot/matrix.rb', line 22

def to_s
  set_current_position!
  matrix.reverse.map { |row| row.join(' ') }.join("\n")
end