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Class gamelet.Gamelet

java.lang.Object
   |
   +----java.awt.Component
           |
           +----java.awt.Canvas
                   |
                   +----gamelet.Gamelet

public abstract class Gamelet

extends Canvas

implements Runnable

Gamelet(String, int, int, String)

Initialize and display a Gamelet, set a Background image.

addActor(Actor)

Add an actor to the gamelet.

deltaTickTimeMillis()

Calculate the difference between the current tick and the last one.

getHeight()

Return height of visible area.

getImage(String)

Load an image for use in an Actor.

getInfo()

Provide standard Gamelet info.

getWidth()

Return width of visible area.

handleEvent(Event)

Pass the event along to the EventManager for handling.

paint(Graphics)

Pass the Graphics onto the DisplayManager.

randBetween(double, double)

Generate a random double between two doubles.

removeActor(Actor)

Remove an actor from the gamelet.

run()

Execution loop.

runGame()

Start the game.

stop()

Stop the game.

update(Graphics)

Override update to avoid screen clears.

 public Gamelet(String title,
                int width,
                int height,
                String backgroundImageFile)

Initialize and display a Gamelet, set a Background image.

Parameters:

title - The window title for the Gamelet.

width - The width of the Gamelet window.

height - The height of the Gamelet window.

backgroundImageFile - A GIF-Image containing a background tile.

The background tile is automatically repeated to fill the background. After construction add your actors with the method addActor() and then invoke method runGame() to start the game.

 public Image getImage(String name)

Load an image for use in an Actor.

Parameters:

name - The name of a file containing a GIF-Image. Use this method in an actor to load an image for use in Actor.setImage().

 public int getWidth()

Return width of visible area. Position (0,0) is upper left corner.

 public int getHeight()

Return height of visible area. Position (0,0) is upper left corner.

 public void addActor(Actor theActor)

Add an actor to the gamelet.

 public void removeActor(Actor theActor)

Remove an actor from the gamelet.

 public static double randBetween(double a,
                                  double b)

Generate a random double between two doubles.

 public void runGame()

Start the game. Invoke this to perform continuous update of the gamelet and the actors.

 public void stop()

Stop the game.

 public void run()

Execution loop. Implements the Runnable interface. Called from Thread().

 public boolean handleEvent(Event theEvent)

Pass the event along to the EventManager for handling.

Overrides:

handleEvent in class Component

 public double deltaTickTimeMillis()

Calculate the difference between the current tick and the last one.

 public void update(Graphics g)

Override update to avoid screen clears.

Overrides:

update in class Component

 public void paint(Graphics g)

Pass the Graphics onto the DisplayManager.

Overrides:

paint in class Canvas

 public static String getInfo()

Provide standard Gamelet info.

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