Class Laser

java.lang.Object
  Laser

public class Laser
extends java.lang.Object

A Laser that can move and draw itself

Constructor Summary

Laser(Defender d)
Constructs a new Laser based on the position of the Defender

Laser(int startXPosition, int startYPosition, int xVelocity, int yVelocity)
Constructs a Laser based on the given location and velocity

Method Summary

int	getXPosition() Get the current x coordinate of the center of this Laser.
int	getYPosition() Get the current y coordinate of the center of this Laser.
boolean	isDefenderLaser() Returns true if the Defender fired this Laser
void	paint(java.awt.Graphics g) Paint this Laser onto the given Graphics object
boolean	removeMeFromGame() Returns true if this Laser has left the game area.
void	takeOneStep() Updates the position of the Laser for the next time it is redrawn.

Methods inherited from class java.lang.Object

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

Constructor Detail

Laser

public Laser(int startXPosition,
             int startYPosition,
             int xVelocity,
             int yVelocity)

Constructs a Laser based on the given location and velocity

Parameters:

startXPosition - the starting x position

startYPosition - the starting y position

xVelocity - the starting x velocity

yVelocity - the starting y velocity

Laser

public Laser(Defender d)

Constructs a new Laser based on the position of the Defender

Parameters:

d - the Defender

Method Detail

isDefenderLaser

public boolean isDefenderLaser()

Returns true if the Defender fired this Laser

Returns:

true if the Defender fired this Laser

takeOneStep

public void takeOneStep()

Updates the position of the Laser for the next time it is redrawn.

removeMeFromGame

public boolean removeMeFromGame()

Returns true if this Laser has left the game area.

Returns:

true if this Laser has left the game area.

paint

public void paint(java.awt.Graphics g)

Paint this Laser onto the given Graphics object

Parameters:

g - the Graphics object to draw onto

getXPosition

public int getXPosition()

Get the current x coordinate of the center of this Laser.

Returns:

The current x coordinate of the center of this Laser.

getYPosition

public int getYPosition()

Get the current y coordinate of the center of this Laser.

Returns:

The current y coordinate of the center of this Laser.