cslib.maze

Class Maze

java.lang.Object

cslib.maze.Maze

public class Maze
extends java.lang.Object

Describes a maze. The maze definition is read from a file.

Constructor Summary

Constructors

Constructor and Description
Maze(int nbr) Creates a maze with number nbr.
Maze(java.lang.String filename, int xEntry, int yEntry) Creates a maze based on an image file (.png or .jpg).

Method Summary

Modifier and Type	Method and Description
boolean	atExit(int x, int y) Checks if the point x,y is at (or near) the exit.
void	draw(SimpleWindow w) Draws the maze in a window.
int	getXEntry() Returns the x coordinate of the entry point.
int	getYEntry() Returns the y coordinate of the entry point.
boolean	wallAtLeft(int direction, int x, int y) Check if you, when you're in x,y and heading in a given direction, have a wall directly to the left.
boolean	wallInFront(int direction, int x, int y) Check if you, when you're in x,y and heading in a given direction, have a wall directly in front.

Methods inherited from class java.lang.Object

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

Constructor Detail

Maze

public Maze(int nbr)

Creates a maze with number nbr. The maze definition is read from the file maze[nbr].maze, which must be in cs_pt.jar, which must be on the class path.

Parameters:

nbr - the number of the maze

Maze

public Maze(java.lang.String filename,
            int xEntry,
            int yEntry)

Creates a maze based on an image file (.png or .jpg).

Parameters:

filename - name of image file

xEntry - x coordinate of the maze's entry point

yEntry - y coordinate of the maze's entry point

Method Detail

draw

public void draw(SimpleWindow w)

Draws the maze in a window.

Parameters:

w - the SimpleWindow to draw in

getXEntry

public int getXEntry()

Returns the x coordinate of the entry point.

Returns:

the x coordinate

getYEntry

public int getYEntry()

Returns the y coordinate of the entry point.

Returns:

the y coordinate

atExit

public boolean atExit(int x,
                      int y)

Checks if the point x,y is at (or near) the exit.

Parameters:

x - the x coordinate

y - the y coordinate

Returns:

true if the point is at the exit, false otherwise

wallAtLeft

public boolean wallAtLeft(int direction,
                          int x,
                          int y)

Check if you, when you're in x,y and heading in a given direction, have a wall directly to the left.

Parameters:

direction - the direction (0, 90, 180, 270 degrees)

x - the x coordinate

y - the y coordinate

Returns:

true if there's a wall directly to the left, false otherwise

wallInFront

public boolean wallInFront(int direction,
                           int x,
                           int y)

Check if you, when you're in x,y and heading in a given direction, have a wall directly in front.

Parameters:

direction - the direction (0, 90, 180, 270 degrees)

x - the x coordinate

y - the y coordinate

Returns:

true if there's a wall directly in front, false otherwise