gameComponents
Class ProjectileSprite

java.lang.Object
  gameComponents.ProjectileSprite

All Implemented Interfaces:

Sprite

public class ProjectileSprite
extends java.lang.Object
implements Sprite

This class encapsulates an on-screen sprite that represents a projectile in our game. A projectile is either live or dead. Only live projectiles are shown on-screen. It has a linear trajectory that is represented by an x and y displacement per frame.

Author:

mb

Constructor Summary

ProjectileSprite(java.awt.Dimension dimensionOfDrawingRegion, java.awt.Point initialPosition, int xDisplacement, int yDisplacement)
Constructs a sprite located at the 0,0 position

Method Summary

java.awt.geom.Rectangle2D	getBounds2D() This method returns a rectangular box that completely encloses this sprite.
int	getCurrentX() Accessor for this sprite's current x position
int	getCurrentY() Accessor for this sprite's current y position
void	initialPosition(java.awt.Point p)
boolean	isAlive()
void	move()
void	setAnchor(int x, int y) Mutates this sprite's anchor position
void	specifyDrawing(java.awt.Graphics2D g) This method takes the passed Graphics2D object and specifies how this sprite should be drawn on it.

Methods inherited from class java.lang.Object

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

Constructor Detail

ProjectileSprite

public ProjectileSprite(java.awt.Dimension dimensionOfDrawingRegion,
                        java.awt.Point initialPosition,
                        int xDisplacement,
                        int yDisplacement)

Constructs a sprite located at the 0,0 position

Parameters:

dimensionOfDrawingRegion -

Method Detail

setAnchor

public void setAnchor(int x,
                      int y)

Mutates this sprite's anchor position

Parameters:

x -

y -

getCurrentX

public int getCurrentX()

Accessor for this sprite's current x position

Returns:

as specified above

getCurrentY

public int getCurrentY()

Accessor for this sprite's current y position

Returns:

as specified above

initialPosition

public void initialPosition(java.awt.Point p)

move

public void move()

specifyDrawing

public void specifyDrawing(java.awt.Graphics2D g)

This method takes the passed Graphics2D object and specifies how this sprite should be drawn on it.

Specified by:

specifyDrawing in interface Sprite

isAlive

public boolean isAlive()

getBounds2D

public java.awt.geom.Rectangle2D getBounds2D()

This method returns a rectangular box that completely encloses this sprite. The bounding box can be assumed to be the smallest bounding box that is possible.

Specified by:

getBounds2D in interface Sprite

Returns:

as described above