com.brackeen.javagamebook.graphics
Class Animation

java.lang.Object
  com.brackeen.javagamebook.graphics.Animation

public class Animation
extends java.lang.Object

The Animation class manages a series of images (frames) and the amount of time to display each frame.

Nested Class Summary

private class

Animation.AnimFrame

Field Summary

private long	animTime
private int	currFrameIndex
private java.util.ArrayList	frames
private long	totalDuration

Constructor Summary

	Animation() Creates a new, empty Animation.
private	Animation(java.util.ArrayList frames, long totalDuration)

Method Summary

void	addFrame(java.awt.Image image, long duration) Adds an image to the animation with the specified duration (time to display the image).
java.lang.Object	clone() Creates a duplicate of this animation.
private Animation.AnimFrame	getFrame(int i)
java.awt.Image	getImage() Gets this Animation's current image.
void	start() Starts this animation over from the beginning.
void	update(long elapsedTime) Updates this animation's current image (frame), if neccesary.

Methods inherited from class java.lang.Object

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

Field Detail

frames

private java.util.ArrayList frames

currFrameIndex

private int currFrameIndex

animTime

private long animTime

totalDuration

private long totalDuration

Constructor Detail

Animation

public Animation()

Creates a new, empty Animation.

Animation

private Animation(java.util.ArrayList frames,
                  long totalDuration)

Method Detail

clone

public java.lang.Object clone()

Creates a duplicate of this animation. The list of frames are shared between the two Animations, but each Animation can be animated independently.

Overrides:

clone in class java.lang.Object

addFrame

public void addFrame(java.awt.Image image,
                     long duration)

Adds an image to the animation with the specified duration (time to display the image).

start

public void start()

Starts this animation over from the beginning.

update

public void update(long elapsedTime)

Updates this animation's current image (frame), if neccesary.

getImage

public java.awt.Image getImage()

Gets this Animation's current image. Returns null if this animation has no images.

getFrame

private Animation.AnimFrame getFrame(int i)