A B C E F G H I K L M N P R S T U W

A

AbstractGrid<E> - Class in info.gridworld.grid

AbstractGrid contains the methods that are common to grid implementations.

AbstractGrid() - Constructor for class info.gridworld.grid.AbstractGrid

act() - Method in class info.gridworld.actor.Actor

Reverses the direction of this actor.

act() - Method in class info.gridworld.actor.Bug

Moves if it can move, turns otherwise.

act() - Method in class info.gridworld.actor.Critter

A critter acts by getting a list of other actors, processing that list, getting locations to move to, selecting one of them, and moving to the selected location.

act() - Method in class info.gridworld.actor.Flower

Causes the color of this flower to darken.

act() - Method in class info.gridworld.actor.Rock

Overrides the act method in the Actor class to do nothing.

Actor - Class in info.gridworld.actor

An Actor is an entity with a color and direction that can act.

Actor() - Constructor for class info.gridworld.actor.Actor

Constructs a blue actor that is facing north.

ActorWorld - Class in info.gridworld.actor

An ActorWorld is occupied by actors.

ActorWorld() - Constructor for class info.gridworld.actor.ActorWorld

Constructs an actor world with a default grid.

ActorWorld(Grid<Actor>) - Constructor for class info.gridworld.actor.ActorWorld

Constructs an actor world with a given grid.

add(Location, Actor) - Method in class info.gridworld.actor.ActorWorld

Adds an actor to this world at a given location.

add(Actor) - Method in class info.gridworld.actor.ActorWorld

Adds an occupant at a random empty location.

add(Location, T) - Method in class info.gridworld.world.World

Adds an occupant at a given location.

addGridClass(String) - Method in class info.gridworld.world.World

Adds a class to be shown in the "Set grid" menu.

addOccupantClass(String) - Method in class info.gridworld.world.World

Adds a class to be shown when clicking on an empty location.

AHEAD - Static variable in class info.gridworld.grid.Location

The turn angle for making no turn.

B

BoundedGrid<E> - Class in info.gridworld.grid

A BoundedGrid is a rectangular grid with a finite number of rows and columns.

BoundedGrid(int, int) - Constructor for class info.gridworld.grid.BoundedGrid

Constructs an empty bounded grid with the given dimensions.

Bug - Class in info.gridworld.actor

A Bug is an actor that can move and turn.

Bug() - Constructor for class info.gridworld.actor.Bug

Constructs a red bug.

Bug(Color) - Constructor for class info.gridworld.actor.Bug

Constructs a bug of a given color.

C

canMove() - Method in class info.gridworld.actor.Bug

Tests whether this bug can move forward into a location that is empty or contains a flower.

compareTo(Object) - Method in class info.gridworld.grid.Location

Compares this location to other for ordering.

Critter - Class in info.gridworld.actor

A Critter is an actor that moves through its world, processing other actors in some way and then moving to a new location.

Critter() - Constructor for class info.gridworld.actor.Critter

E

EAST - Static variable in class info.gridworld.grid.Location

The compass direction for east.

equals(Object) - Method in class info.gridworld.grid.Location

Indicates whether some other Location object is "equal to" this one.

F

Flower - Class in info.gridworld.actor

A Flower is an actor that darkens over time.

Flower() - Constructor for class info.gridworld.actor.Flower

Constructs a pink flower.

Flower(Color) - Constructor for class info.gridworld.actor.Flower

Constructs a flower of a given color.

FULL_CIRCLE - Static variable in class info.gridworld.grid.Location

The turn angle for turning a full circle.

G

get(Location) - Method in class info.gridworld.grid.BoundedGrid

get(Location) - Method in interface info.gridworld.grid.Grid

Returns the object at a given location in this grid.

get(Location) - Method in class info.gridworld.grid.UnboundedGrid

getActors() - Method in class info.gridworld.actor.Critter

Gets the actors for processing.

getAdjacentLocation(int) - Method in class info.gridworld.grid.Location

Gets the adjacent location in any one of the eight compass directions.

getCol() - Method in class info.gridworld.grid.Location

Gets the column coordinate.

getColor() - Method in class info.gridworld.actor.Actor

Gets the color of this actor.

getDirection() - Method in class info.gridworld.actor.Actor

Gets the current direction of this actor.

getDirectionToward(Location) - Method in class info.gridworld.grid.Location

Returns the direction from this location toward another location.

getEmptyAdjacentLocations(Location) - Method in class info.gridworld.grid.AbstractGrid

getEmptyAdjacentLocations(Location) - Method in interface info.gridworld.grid.Grid

Gets the valid empty locations adjacent to a given location in all eight compass directions (north, northeast, east, southeast, south, southwest, west, and northwest).

getGrid() - Method in class info.gridworld.actor.Actor

Gets the grid in which this actor is located.

getGrid() - Method in class info.gridworld.world.World

Gets the grid managed by this world.

getGridClasses() - Method in class info.gridworld.world.World

Gets a set of grid classes that should be used by the world frame for this world.

getLocation() - Method in class info.gridworld.actor.Actor

Gets the location of this actor.

getMessage() - Method in class info.gridworld.world.World

Gets the message to be displayed in the world frame above the grid.

getMoveLocations() - Method in class info.gridworld.actor.Critter

Gets a list of possible locations for the next move.

getNeighbors(Location) - Method in class info.gridworld.grid.AbstractGrid

getNeighbors(Location) - Method in interface info.gridworld.grid.Grid

Gets the neighboring occupants in all eight compass directions (north, northeast, east, southeast, south, southwest, west, and northwest).

getNumCols() - Method in class info.gridworld.grid.BoundedGrid

getNumCols() - Method in interface info.gridworld.grid.Grid

Returns the number of columns in this grid.

getNumCols() - Method in class info.gridworld.grid.UnboundedGrid

getNumRows() - Method in class info.gridworld.grid.BoundedGrid

getNumRows() - Method in interface info.gridworld.grid.Grid

Returns the number of rows in this grid.

getNumRows() - Method in class info.gridworld.grid.UnboundedGrid

getOccupantClasses() - Method in class info.gridworld.world.World

Gets a set of occupant classes that should be used by the world frame for this world.

getOccupiedAdjacentLocations(Location) - Method in class info.gridworld.grid.AbstractGrid

getOccupiedAdjacentLocations(Location) - Method in interface info.gridworld.grid.Grid

Gets the valid occupied locations adjacent to a given location in all eight compass directions (north, northeast, east, southeast, south, southwest, west, and northwest).

getOccupiedLocations() - Method in class info.gridworld.grid.BoundedGrid

getOccupiedLocations() - Method in interface info.gridworld.grid.Grid

Gets the locations in this grid that contain objects.

getOccupiedLocations() - Method in class info.gridworld.grid.UnboundedGrid

getRandomEmptyLocation() - Method in class info.gridworld.world.World

Gets a random empty location in this world.

getRow() - Method in class info.gridworld.grid.Location

Gets the row coordinate.

getValidAdjacentLocations(Location) - Method in class info.gridworld.grid.AbstractGrid

getValidAdjacentLocations(Location) - Method in interface info.gridworld.grid.Grid

Gets the valid locations adjacent to a given location in all eight compass directions (north, northeast, east, southeast, south, southwest, west, and northwest).

Grid<E> - Interface in info.gridworld.grid

Grid provides an interface for a two-dimensional, grid-like environment containing arbitrary objects.

H

HALF_CIRCLE - Static variable in class info.gridworld.grid.Location

The turn angle for turning a half circle.

HALF_LEFT - Static variable in class info.gridworld.grid.Location

The turn angle for turning 45 degrees to the left.

HALF_RIGHT - Static variable in class info.gridworld.grid.Location

The turn angle for turning 45 degrees to the right.

hashCode() - Method in class info.gridworld.grid.Location

Generates a hash code.

I

info.gridworld.actor - package info.gridworld.actor

info.gridworld.grid - package info.gridworld.grid

info.gridworld.world - package info.gridworld.world

isValid(Location) - Method in class info.gridworld.grid.BoundedGrid

isValid(Location) - Method in interface info.gridworld.grid.Grid

Checks whether a location is valid in this grid.

isValid(Location) - Method in class info.gridworld.grid.UnboundedGrid

K

keyPressed(String, Location) - Method in class info.gridworld.world.World

This method is called when a key was pressed.

L

LEFT - Static variable in class info.gridworld.grid.Location

The turn angle for turning 90 degrees to the left.

Location - Class in info.gridworld.grid

A Location object represents the row and column of a location in a two-dimensional grid.

Location(int, int) - Constructor for class info.gridworld.grid.Location

Constructs a location with given row and column coordinates.

locationClicked(Location) - Method in class info.gridworld.world.World

This method is called when the user clicks on a location in the WorldFrame.

M

makeMove(Location) - Method in class info.gridworld.actor.Critter

Moves this critter to the given location loc, or removes this critter from its grid if loc is null.

move() - Method in class info.gridworld.actor.Bug

Moves the bug forward, putting a flower into the location it previously occupied.

moveTo(Location) - Method in class info.gridworld.actor.Actor

Moves this actor to a new location.

N

NORTH - Static variable in class info.gridworld.grid.Location

The compass direction for north.

NORTHEAST - Static variable in class info.gridworld.grid.Location

The compass direction for northeast.

NORTHWEST - Static variable in class info.gridworld.grid.Location

The compass direction for northwest.

P

processActors(ArrayList<Actor>) - Method in class info.gridworld.actor.Critter

Processes the elements of actors.

put(Location, E) - Method in class info.gridworld.grid.BoundedGrid

put(Location, E) - Method in interface info.gridworld.grid.Grid

Puts an object at a given location in this grid.

put(Location, E) - Method in class info.gridworld.grid.UnboundedGrid

putSelfInGrid(Grid<Actor>, Location) - Method in class info.gridworld.actor.Actor

Puts this actor into a grid.

R

remove(Location) - Method in class info.gridworld.actor.ActorWorld

Removes an actor from this world.

remove(Location) - Method in class info.gridworld.grid.BoundedGrid

remove(Location) - Method in interface info.gridworld.grid.Grid

Removes the object at a given location from this grid.

remove(Location) - Method in class info.gridworld.grid.UnboundedGrid

remove(Location) - Method in class info.gridworld.world.World

Removes an occupant from a given location.

removeSelfFromGrid() - Method in class info.gridworld.actor.Actor

Removes this actor from its grid.

RIGHT - Static variable in class info.gridworld.grid.Location

The turn angle for turning 90 degrees to the right.

Rock - Class in info.gridworld.actor

A Rock is an actor that does nothing.

Rock() - Constructor for class info.gridworld.actor.Rock

Constructs a black rock.

Rock(Color) - Constructor for class info.gridworld.actor.Rock

Constructs a rock of a given color.

S

selectMoveLocation(ArrayList<Location>) - Method in class info.gridworld.actor.Critter

Selects the location for the next move.

setColor(Color) - Method in class info.gridworld.actor.Actor

Sets the color of this actor.

setDirection(int) - Method in class info.gridworld.actor.Actor

Sets the current direction of this actor.

setGrid(Grid<T>) - Method in class info.gridworld.world.World

Sets the grid managed by this world.

setMessage(String) - Method in class info.gridworld.world.World

Sets the message to be displayed in the world frame above the grid.

show() - Method in class info.gridworld.actor.ActorWorld

show() - Method in class info.gridworld.world.World

Constructs and shows a frame for this world.

SOUTH - Static variable in class info.gridworld.grid.Location

The compass direction for south.

SOUTHEAST - Static variable in class info.gridworld.grid.Location

The compass direction for southeast.

SOUTHWEST - Static variable in class info.gridworld.grid.Location

The compass direction for southwest.

step() - Method in class info.gridworld.actor.ActorWorld

step() - Method in class info.gridworld.world.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.

T

toString() - Method in class info.gridworld.actor.Actor

Creates a string that describes this actor.

toString() - Method in class info.gridworld.grid.AbstractGrid

Creates a string that describes this grid.

toString() - Method in class info.gridworld.grid.Location

Creates a string that describes this location.

toString() - Method in class info.gridworld.world.World

Returns a string that shows the positions of the grid occupants.

turn() - Method in class info.gridworld.actor.Bug

Turns the bug 45 degrees to the right without changing its location.

U

UnboundedGrid<E> - Class in info.gridworld.grid

An UnboundedGrid is a rectangular grid with an unbounded number of rows and columns.

UnboundedGrid() - Constructor for class info.gridworld.grid.UnboundedGrid

Constructs an empty unbounded grid.

W

WEST - Static variable in class info.gridworld.grid.Location

The compass direction for west.

World<T> - Class in info.gridworld.world

A World is the mediator between a grid and the GridWorld GUI.

World() - Constructor for class info.gridworld.world.World

World(Grid<T>) - Constructor for class info.gridworld.world.World

A B C E F G H I K L M N P R S T U W