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GameCanvas Class Reference

List of all members.

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Detailed Description

This class is derived from a MIDlet canvas.

It contains the main functionality of the game. It does three things basically

1. Contains A GameBoard, which contains the game primitives and drawing code.
2. Runs a FrameTrigger, which spawns a thread to periodically update the frames.
3. Listens for key-presses, and notifies apropriate objects in the gameboard.

Public Member Functions
	GameCanvas (pacman midlet, int level, int score, int lives)
	Constructor.
void	unPause ()
void	advanceFrame ()
	This function is called periodically by FrameTrigger.
void	commandAction (Command c, Displayable s)
	Respond to a command issued on the canvas.
Public Attributes
GameBoard	gameBoard_
	The game board contains the game primitives, logic, and drawing code.
FrameTrigger	frameTrigger_
	frameTrigger object is responsible for periodically calling back to this object to trigger a frame update.
Protected Member Functions
void	paint (Graphics g)
	Called by the system to repaint the screen.
void	keyPressed (int keyCode)
	This function is called by the system when the user presses a key.
Private Attributes
final pacman	midlet
final Command	exitCommand
final Command	menuCommand
final int	level

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Constructor & Destructor Documentation

GameCanvas.GameCanvas (  pacman  midlet, int  level, int  score, int  lives )

Constructor. Parameters: disp  The display where the game should run.

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Member Function Documentation

void GameCanvas.advanceFrame (   )

This function is called periodically by FrameTrigger. It simply tells the gameboard to advance it's logic by one frame, then it requests a repaint from the system.

void GameCanvas.commandAction (  Command  c, Displayable  s )

Respond to a command issued on the canvas.

void GameCanvas.keyPressed (  int  keyCode  )  [protected]

This function is called by the system when the user presses a key. Parameters: keyCode  The unique int value of the key being pressed' Modified: 3/4/03 : Paul Force Changed to use a more general key binding. Should work on any phone now

void GameCanvas.paint (  Graphics  g  )  [protected]

Called by the system to repaint the screen. Parameters: g  Graphics object where drawing should take place.

void GameCanvas.unPause (   )

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Member Data Documentation

final Command GameCanvas.exitCommand [private]

FrameTrigger GameCanvas.frameTrigger_

frameTrigger object is responsible for periodically calling back to this object to trigger a frame update.

GameBoard GameCanvas.gameBoard_

The game board contains the game primitives, logic, and drawing code. This object is created during construction.

final int GameCanvas.level [private]

final Command GameCanvas.menuCommand [private]

final pacman GameCanvas.midlet [private]

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The documentation for this class was generated from the following file:

• GameCanvas.java

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