Class RobotWorldBase
In: karel/robot_world_base.rb
Parent: Object

The the basic features of a world in which the robots move and interact. Other worlds extend this one, such as RobotWorld (in robot_world.rb) and RobotWorld (in tk_robot_world.rb)

Methods

assert_beepers_at   assert_robots_at   beepers_at?   clear   legal_corner   neighbors_of   new   register_robot   reset   robots_at?   set_speed   set_up_thread   start_threads   update  

Constants

MOVE_ACTION = 0
TURN_LEFT_ACTION = 1
PICK_BEEPER_ACTION = 2
PUT_BEEPER_ACTION = 3
TURN_OFF_ACTION = 4
CREATE_ACTION = 5
NO_ACTION = -1

Attributes

Beepers  [R] 
EastWestWalls  [R] 
NorthSouthWalls  [R] 

Public Class methods

new()

Create an empty world

Public Instance methods

assert_beepers_at(street, avenue)

Fail if there are no robots on the given corner

assert_robots_at(street, avenue)

Fail if there are no robots on the given corner

beepers_at?(street, avenue)

Return true if there are any beepers on the given corner

clear()

Remove all features (walls, beepers) from the world. Robots are not affected

legal_corner(street, avenue)

Assert that the given corner is in the world

neighbors_of(robot, street, avenue)

Return the neighbors of the given robot on the given street. Fails if the robot is not on the given corner when invoked

register_robot(robot, state)

Save the new state of a robot when necessary

reset()

Remove all features (walls, beepers, robots) from the world.

robots_at?(street, avenue)

Return true if there are any robots on the given corner

set_speed(amount)

Set the speed at which the simulation runs 0 = no delay 100 = run very slowly

set_up_thread(*robots, &action)

Either (a) pass a number of robots each of which has a run_task method or 

       (b) pass a block to be executed when the thread starts
start_threads(delay = 10)

Start all of the known threads and wait until they all complete

update(robot, action, state)

Record a robot‘s actions

[Validate]