com.collegeboard.gridworld.actor
Class ActorWorld

java.lang.Object
  com.collegeboard.gridworld.world.World<Actor>
      com.collegeboard.gridworld.actor.ActorWorld

public class ActorWorld
extends World<Actor>

A world that is occupied by actors.

copyright© 2005 Cay S. Horstmann (http://horstmann.com)

Author:

Cay Horstmann

Constructor Summary

ActorWorld()

ActorWorld(Grid<Actor> grid)

Method Summary

void	add(Location loc, Actor occupant) Adds an occupant at a given location.
Actor	remove(Location loc) Removes an occupant from a given location.
void	step() This method is called when the user clicks on the step button, or when run mode has been activated by clicking the run button.

Methods inherited from class com.collegeboard.gridworld.world.World

add, addGridClass, addOccupantClass, getGrid, getGridClasses, getMessage, getOccupantClasses, locationClicked, setGrid, setMessage, show

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

ActorWorld

public ActorWorld()

ActorWorld

public ActorWorld(Grid<Actor> grid)

Method Detail

step

public void step()

Description copied from class: World

This method is called when the user clicks on the step button, or when run mode has been activated by clicking the run button.

Overrides:

step in class World<Actor>

add

public void add(Location loc,
                Actor occupant)

Description copied from class: World

Adds an occupant at a given location. (This method is supplied so that beginners can make a world without having to know about Location objects.)

Overrides:

add in class World<Actor>

Parameters:

loc - the location

occupant - the occupant to add

remove

public Actor remove(Location loc)

Description copied from class: World

Removes an occupant from a given location.

Overrides:

remove in class World<Actor>

Parameters:

loc - the location

Returns:

the removed occupant, or null if the location was empty