Class allRectsTracker

java.lang.Object
  allRectsTracker

public class allRectsTracker
extends java.lang.Object

AllRectsTracker is the monitor class and implements synchronization

Author:

Abhishek

Field Summary

java.util.LinkedList<Rectangle>	allRects
static int	APPLICATION_HEIGHT
static int	APPLICATION_WIDTH
private static int	BRICK_HEIGHT Height of a brick
private static int	BRICK_SEP Separation between bricks
private static int	BRICK_WIDTH Width of a brick
private static int	BRICK_Y_OFFSET Offset of the top brick row from the top
int	capacity
(package private) Ball	myBall
private static int	NBRICKS_PER_ROW Number of bricks per row
(package private) Rectangle	paddle
private static int	WIDTH Dimensions of game board (usually the same)

Constructor Summary

allRectsTracker()

Method Summary

void	brickConsumer() Synchronized method that waits if the shared resource is empty and removes bricks from the applet on collision
void	createBricks() Synchronized method that waits if the shared resource is full and creates new bricks on bullet fire
Rectangle	getCollidingObject() Gets the method that collides with the ball so that it can be removed from the shared resource and the screen.
Rectangle	getElementAt(double x, double y) Checks if there is an object at a given (x,y) position

Methods inherited from class java.lang.Object

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

Field Detail

APPLICATION_WIDTH

public static final int APPLICATION_WIDTH

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Constant Field Values

APPLICATION_HEIGHT

public static final int APPLICATION_HEIGHT

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Constant Field Values

WIDTH

private static final int WIDTH

Dimensions of game board (usually the same)

See Also:

Constant Field Values

NBRICKS_PER_ROW

private static final int NBRICKS_PER_ROW

Number of bricks per row

See Also:

Constant Field Values

BRICK_SEP

private static final int BRICK_SEP

Separation between bricks

See Also:

Constant Field Values

BRICK_WIDTH

private static final int BRICK_WIDTH

Width of a brick

See Also:

Constant Field Values

BRICK_HEIGHT

private static final int BRICK_HEIGHT

Height of a brick

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Constant Field Values

BRICK_Y_OFFSET

private static final int BRICK_Y_OFFSET

Offset of the top brick row from the top

See Also:

Constant Field Values

paddle

Rectangle paddle

myBall

Ball myBall

allRects

public java.util.LinkedList<Rectangle> allRects

capacity

public int capacity

Constructor Detail

allRectsTracker

public allRectsTracker()

Method Detail

brickConsumer

public void brickConsumer()

Synchronized method that waits if the shared resource is empty and removes bricks from the applet on collision

createBricks

public void createBricks()

Synchronized method that waits if the shared resource is full and creates new bricks on bullet fire

getCollidingObject

public Rectangle getCollidingObject()

Gets the method that collides with the ball so that it can be removed from the shared resource and the screen.

Returns:

: The brick that the ball collides with

getElementAt

public Rectangle getElementAt(double x,
                              double y)

Checks if there is an object at a given (x,y) position

Parameters:

x - : x co-ordinate of position where object's presence needs to be checked

y - : y co-ordinate of position where object's presence needs to be checked

Returns:

: the object if an object is present at that position . null if there is no object present.