Class EnemyShips

public class EnemyShips

extends Object

This class downloads, stores, handles, and draws all information dealing with enemy ships that fly around.

comp

damage

dataFile

dir

fire

fireHeight

fireX

fireY

height

imgDown

imgFire

imgNorm

imgUp

length

move

myImages

r

For Generating Random Numbers

shields

step

subStep

type

width

x

y

EnemyShips(Image[], int, Nelzan)

Defines a new class of EnemyShips to be manipulated.

abs(int)

Returns the distance from zero.

buildNew(int)

Build arrays of the correct length so data can be placed inside them.

checkDamage(int)

This function checks to see if a ship or its fired weapon are in contact with the player.

getFile(int)

Download the level file and loads it into Arrays.

getImage(int)

This function determins if the ship's normal, up, or down image should be shown.

levelOver()

A Quick Check to see if the level is over.

move(int)

Moves the player based on it's movement string.

paint(Graphics)

Paints all the enemies on the screen.

toInt(String)

Converts a String to an int;

update()

Updates enemy location, fire location, and handles collision logic.

 private int type[]

 private int width[]

 private int height[]

 private int shields[]

 private int damage[]

 private int x[]

 private int y[]

 private String move[]

 private String fire[]

 private int imgNorm[]

 private int imgFire[]

 private int imgUp[]

 private int imgDown[]

 private int step[]

 private int subStep[]

 private int fireX[]

 private int fireY[]

 private int fireHeight[]

 private Image myImages[]

 private Nelzan comp

 private URL dataFile

 private int length

 private int dir

 Random r

For Generating Random Numbers

 EnemyShips(Image img[],
            int level,
            Nelzan c)

Defines a new class of EnemyShips to be manipulated. Will download information from the correct level and store it into private arrays.

Parameters:

img - Images of the ships

level - The current player's Level

c - Instance of Nelzan, for callbacks.

 public void update()

Updates enemy location, fire location, and handles collision logic. This function is the brains of all Enemy ships. This updates their location and causes them to move, updates their fire location, and it makes sure the ship or it's weapon is not in contact with the player.

 public boolean levelOver()

A Quick Check to see if the level is over.

Returns:

true if all members are destoryed, fasle otherwise.

 public void paint(Graphics g)

Paints all the enemies on the screen. There is no Z-ordering done in this function, ships are drawn in the order they presented in the array.

Parameters:

g - The Graphics to draw to.

 private void checkDamage(int i)

This function checks to see if a ship or its fired weapon are in contact with the player. It also check to see if the players weapon is hitting the ship via a callback. If the ship shiels are less than or equal to zero the ship is destoryed.

Parameters:

i - Array index to check at.

 private int getImage(int i)

This function determins if the ship's normal, up, or down image should be shown.

Parameters:

i - Array index to get Image at.

Returns:

int with the location of the image to be shown.

 private void move(int i)

Moves the player based on it's movement string.

Parameters:

i - Array index to move.

 private void getFile(int i)

Download the level file and loads it into Arrays.

Parameters:

i - Level to be loaded

 private void buildNew(int i)

Build arrays of the correct length so data can be placed inside them.

Parameters:

i - Length arrays need to be.

 private int toInt(String s)

Converts a String to an int;

Parameters:

s - The String to be converted

Returns:

an int value from s

 private int abs(int i)

Returns the distance from zero.

Parameters:

i - The number to check.

Returns:

s an int of the distance from zero.