Class: Robot::Simulator::Robot

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

Overview

Robot class corresponds to robot which can move around on the table.

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(table) ⇒ Robot

Returns a new instance of Robot.



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# File 'lib/robot/simulator/robot.rb', line 7

def initialize(table)
  @table = table
end

Instance Attribute Details

#current_track ⇒ Object

Returns the value of attribute current_track.



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# File 'lib/robot/simulator/robot.rb', line 5

def current_track
  @current_track
end

#table ⇒ Object (readonly)

Returns the value of attribute table.



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# File 'lib/robot/simulator/robot.rb', line 5

def table
  @table
end

Instance Method Details

#move ⇒ Object 



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# File 'lib/robot/simulator/robot.rb', line 17

def move
  return false unless is_on_table?

  newX = current_track.coordinate.x
  newX += 1 if current_track.facing == Direction::EAST
  newX -= 1 if current_track.facing == Direction::WEST

  newY = current_track.coordinate.y
  newY += 1 if current_track.facing == Direction::NORTH
  newY -= 1 if current_track.facing == Direction::SOUTH

  new_coordinate = Coordinate.new(newX, newY)
  return false unless is_valid_coordinate? new_coordinate

  self.current_track = Track.new new_coordinate, current_track.facing
end

#place(coordinate, direction) ⇒ Object 



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# File 'lib/robot/simulator/robot.rb', line 11

def place(coordinate, direction)
  return false unless is_valid_coordinate?(coordinate)

  self.current_track = Track.new coordinate, direction
end

#turn_left ⇒ Object 



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# File 'lib/robot/simulator/robot.rb', line 34

def turn_left
  return false unless is_on_table?

  self.current_track = Track.new current_track.coordinate, Direction.left(current_track.facing)
end

#turn_right ⇒ Object 



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# File 'lib/robot/simulator/robot.rb', line 40

def turn_right
  return false unless is_on_table?

  self.current_track = Track.new current_track.coordinate, Direction.right(current_track.facing)
end