roboplayer.geometry
Class Vector2d

java.lang.Object
  |
  +--roboplayer.geometry.Vector2d

public class Vector2d

extends java.lang.Object

Helper class for different vector functions.

Version:

1.0

Author:

Krzysztof Langner

Field Summary

double	x
double	y

Constructor Summary

Vector2d()
Empty constructor

Vector2d(double posx, double posy)
Constructor

Vector2d(Vector2d v)
Copy constructor

Method Summary

void	add(Vector2d pos) Add vector
double	getDistance(Vector2d second) Get distance to second vector
double	getLength() Get length of this vector
void	multiply(double scalar) Multiply by scalar
java.lang.String	toString() Convert to string

Methods inherited from class java.lang.Object

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

Field Detail

x

public double x

y

public double y

Constructor Detail

Vector2d

public Vector2d()

Empty constructor

Vector2d

public Vector2d(double posx,
                double posy)

Constructor

Parameters:

posx - x coordinate

posy - y coordinate

Vector2d

public Vector2d(Vector2d v)

Copy constructor

Parameters:

v - source vector

Method Detail

add

public void add(Vector2d pos)

Add vector

Parameters:

pos - vector to add

multiply

public void multiply(double scalar)

Multiply by scalar

Parameters:

scalar - scalar

getLength

public double getLength()

Get length of this vector

Returns:

length of the vector

getDistance

public double getDistance(Vector2d second)

Get distance to second vector

Returns:

distance between vectors

toString

public java.lang.String toString()

Convert to string

Overrides:

toString in class java.lang.Object

Returns:

object converted to string