Class Laser

java.lang.Object

Laser

public class Laser
extends java.lang.Object

A Laser that can move and draw itself

Author:

Jim Skrentny modified, Tim Bahls

Field Summary

Fields

Modifier and Type	Field and Description
private java.awt.Color	color
private boolean	defenderSide
private static double	DIAG_ANGLE
private static double	SHOT_RADIUS
private int	xPosition
private int	xVelocity
private int	yPosition
private int	yVelocity

Constructor Summary

Constructors

Constructor and Description
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

Modifier and Type	Method and Description
java.awt.Color	getColor() Get the current color of this Laser.
boolean	getDefenderSide() Get the current defender side of this Laser.
int	getXPosition() Get the current x coordinate of the center of this Laser.
int	getXVelocity() Get the current x Velocity of this Laser.
int	getYPosition() Get the current y coordinate of the center of this Laser.
int	getYVelocity() Get the current y Velocity 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
private static java.awt.Point	polar(int origX, int origY, double angle, double radius)
boolean	removeMeFromGame() Returns true if this Laser has left the game area.
(package private) void	setColor(java.awt.Color c) Sets the current color of this Laser.
(package private) void	setDefendersSide(boolean s) Sets the current defenderSide of this Laser.
(package private) void	setXPosition(int x) Sets the current x coordinate of the center of this Laser.
(package private) void	setXVelocity(int x) Sets the current x Velocity of this Laser.
(package private) void	setYPosition(int y) Sets the current y coordinate of the center of this Laser.
(package private) void	setYVelocity(int y) Sets the current y Velocity of this Laser.
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

Field Detail

DIAG_ANGLE

private static final double DIAG_ANGLE

See Also:

Constant Field Values

SHOT_RADIUS

private static final double SHOT_RADIUS

See Also:

Constant Field Values

color

private java.awt.Color color

xPosition

private int xPosition

yPosition

private int yPosition

yVelocity

private int yVelocity

xVelocity

private int xVelocity

defenderSide

private boolean defenderSide

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

polar

private static java.awt.Point polar(int origX,
                                    int origY,
                                    double angle,
                                    double radius)

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.

setXPosition

void setXPosition(int x)

Sets the current x coordinate of the center of this Laser. No error checking is done. Bad x values will cause exceptions.

Parameters:

x - The new 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.

setYPosition

void setYPosition(int y)

Sets the current y coordinate of the center of this Laser. No error checking is done. Bad y values will cause exceptions.

Parameters:

y - The new y coordinate of the center of this Laser.

getColor

public java.awt.Color getColor()

Get the current color of this Laser.

Returns:

The current color of this Laser.

setColor

void setColor(java.awt.Color c)

Sets the current color of this Laser. No error checking is done. Bad color values will cause exceptions.

Parameters:

c - The new color of this Laser.

getXVelocity

public int getXVelocity()

Get the current x Velocity of this Laser.

Returns:

The current x Velocity of this Laser.

setXVelocity

void setXVelocity(int x)

Sets the current x Velocity of this Laser. No error checking is done. Bad x values will cause exceptions.

Parameters:

x - The new x Velocity of this Laser.

getYVelocity

public int getYVelocity()

Get the current y Velocity of this Laser.

Returns:

The current y Velocity of this Laser.

setYVelocity

void setYVelocity(int y)

Sets the current y Velocity of this Laser. No error checking is done. Bad y values will cause exceptions.

Parameters:

y - The new y Velocity of this Laser.

setDefendersSide

void setDefendersSide(boolean s)

Sets the current defenderSide of this Laser. No error checking is done. Bad s values will cause exceptions.

Parameters:

s - The new defenderSide of this Laser.

getDefenderSide

public boolean getDefenderSide()

Get the current defender side of this Laser.

Returns:

The current defender side of this Laser.