Laser

java.lang.Object
- java.awt.Polygon
- - asteroids.Laser

All Implemented Interfaces:

java.awt.Shape, java.io.Serializable
```
public class Laser
extends java.awt.Polygon
```
Contains the data and instructions for movement for the lasers shot in the game.

Version:

1.0.0

Author:

Casey Scarborough

See Also:
GameBoard, SpaceShip, Serialized Form

Field Summary

Fields
Modifier and Type	Field and Description
`private double`	`centerX`
`private double`	`centerY`
`(package private) int`	`gameBoardHeight`
`(package private) int`	`gameBoardWidth`
`private int`	`laserHeight`
`private int`	`laserWidth`
`private double`	`movingAngle`
`boolean`	`onScreen`
`static int[]`	`polyXArray`
`static int[]`	`polyYArray`
`private double`	`xVelocity`
`private double`	`yVelocity`

Fields inherited from class java.awt.Polygon
bounds, npoints, xpoints, ypoints

Constructor Summary

Constructors
Constructor and Description

Laser(double centerX, double centerY, double movingAngle)
Constructor for Laser sets the center point, velocity, and visibility to true.

Constructors
Constructor and Description
`Laser(double centerX, double centerY, double movingAngle)` Constructor for Laser sets the center point, velocity, and visibility to true.

Method Summary

Methods
Modifier and Type	Method and Description
`void`	`changeXPosition(double increaseAmount)` Used to increase the x position by a set amount.
`void`	`changeYPosition(double increaseAmount)` Used to increase the y position by a set amount.
`java.awt.Rectangle`	`getBounds()`
`int`	`getHeight()`
`double`	`getMovingAngle()`
`int`	`getWidth()`
`double`	`getXCenter()`
`double`	`getXVelocity()`
`double`	`getYCenter()`
`double`	`getYVelocity()`
`double`	`laserXMoveAngle(double movingAngle)` Returns the angle in the X direction in radians in which the laser should move in.
`double`	`laserYMoveAngle(double movingAngle)` Returns the angle in the Y direction in radians in which the laser should move in.
`void`	`move()` Handles the movement of the laser on the screen.
`void`	`setMovingAngle(double movingAngle)`
`void`	`setXCenter(double xCenter)`
`void`	`setXVelocity(double xVelocity)`
`void`	`setYCenter(double yCenter)`
`void`	`setYVelocity(double yVelocity)`

Methods inherited from class java.awt.Polygon
addPoint, contains, contains, contains, contains, contains, contains, getBoundingBox, getBounds2D, getPathIterator, getPathIterator, inside, intersects, intersects, invalidate, reset, translate

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

gameBoardWidth
```
int gameBoardWidth
```

gameBoardHeight
```
int gameBoardHeight
```

centerX
```
private double centerX
```

centerY
```
private double centerY
```

polyXArray
```
public static int[] polyXArray
```

polyYArray
```
public static int[] polyYArray
```

laserWidth
```
private int laserWidth
```

laserHeight
```
private int laserHeight
```

onScreen
```
public boolean onScreen
```

movingAngle
```
private double movingAngle
```

xVelocity
```
private double xVelocity
```

yVelocity
```
private double yVelocity
```

Constructor Detail
- Laser
```
public Laser(double centerX,
     double centerY,
     double movingAngle)
```
  Constructor for Laser sets the center point, velocity, and visibility to true.

Method Detail
- getXCenter
```
public double getXCenter()
```
- getYCenter
```
public double getYCenter()
```
- setXCenter
```
public void setXCenter(double xCenter)
```
- setYCenter
```
public void setYCenter(double yCenter)
```
- getXVelocity
```
public double getXVelocity()
```
- getYVelocity
```
public double getYVelocity()
```
- setXVelocity
```
public void setXVelocity(double xVelocity)
```
- setYVelocity
```
public void setYVelocity(double yVelocity)
```
- getWidth
```
public int getWidth()
```
- getHeight
```
public int getHeight()
```
- setMovingAngle
```
public void setMovingAngle(double movingAngle)
```
- getMovingAngle
```
public double getMovingAngle()
```
- changeXPosition
```
public void changeXPosition(double increaseAmount)
```
  Used to increase the x position by a set amount.
  
  Parameters:
  increaseAmount - the amount to increase by
- changeYPosition
```
public void changeYPosition(double increaseAmount)
```
  Used to increase the y position by a set amount.
  
  Parameters:
  increaseAmount - the amount to increase by
- getBounds
```
public java.awt.Rectangle getBounds()
```
  Specified by:
  
  getBounds in interface java.awt.Shape
  
  Overrides:
  
  getBounds in class java.awt.Polygon
- laserYMoveAngle
```
public double laserYMoveAngle(double movingAngle)
```
  Returns the angle in the Y direction in radians in which the laser should move in.
- laserXMoveAngle
```
public double laserXMoveAngle(double movingAngle)
```
  Returns the angle in the X direction in radians in which the laser should move in.
- move
```
public void move()
```
  Handles the movement of the laser on the screen.

Class Laser

Field Summary

Fields inherited from class java.awt.Polygon

Constructor Summary

Method Summary

Methods inherited from class java.awt.Polygon

Methods inherited from class java.lang.Object

Field Detail

gameBoardWidth

gameBoardHeight

centerX

centerY

polyXArray

polyYArray

laserWidth

laserHeight

onScreen

movingAngle

xVelocity

yVelocity

Constructor Detail

Laser

Method Detail

getXCenter

getYCenter

setXCenter

setYCenter

getXVelocity

getYVelocity

setXVelocity

setYVelocity

getWidth

getHeight

setMovingAngle

getMovingAngle

changeXPosition

changeYPosition

getBounds

laserYMoveAngle

laserXMoveAngle

move