org.shlublu.javax.math
Class Vector2D

java.lang.Object
  |
  +--org.shlublu.javax.math.Vector2D

All Implemented Interfaces:

java.lang.Cloneable, Vector

public final class Vector2D

extends java.lang.Object

implements Vector

Creation : 2002/03/23 Class dedicated to implement 2D vector operations

Since:

0.5

Field Summary

double	x x coordinate
double	y y coordinate

Constructor Summary

Vector2D()
Empty constructor, init to (.0, .0)

Vector2D(double dblX, double dblY)
Constructor, init to the given arguments

Vector2D(Vector2D v)
Constructor, init to the given vector

Method Summary

void	add(Vector2D v) Add the given vector
java.lang.Object	clone() Return a Vector2D equals() to this one
void	divide(double d) Divide this vector
boolean	equals(java.lang.Object o) True if o is not null, from the Vector2D class without beeing from a subclass, and have the same coordinates in the same order than this.
void	equilibrate() Equilibrate this vector
Vector2D	getDifference(Vector2D vToSubstract) Get the difference vector
Vector2D	getDivided(double d) Get the divided vector corresponding to this one
Vector2D	getEquilibrated() Return an equilibrated vector corresponding to this
Vector2D	getNormalized() Return a normalized vector corresponding to this
Point2D	getPoint() Get the Point corresponding to this Vector
Vector2D	getProduct(double d) Get the multiplied vector corresponding to this one
Vector2D	getProjected(Vector2D v) Get the projection on this of the given vector
Vector2D	getSum(Vector2D vToAdd) Get the sum vector
void	multiply(double d) Multiply this vector
double	norm() Get this vector's norm
void	normalize() Normalize this vector
Vector2D	projectOn(Vector2D v) Get the projection on the given vector of this
double	scalarProduct(Vector2D v) Get the scalar (or dot) product with the given vector
void	substract(Vector2D v) Substract the given vector
java.lang.String	toString() Get this vector as a string

Methods inherited from class java.lang.Object

finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Field Detail

x

public double x

x coordinate

y

public double y

y coordinate

Constructor Detail

Vector2D

public Vector2D()

Empty constructor, init to (.0, .0)

Vector2D

public Vector2D(double dblX,
                double dblY)

Constructor, init to the given arguments

Vector2D

public Vector2D(Vector2D v)

Constructor, init to the given vector

Method Detail

toString

public java.lang.String toString()

Get this vector as a string

Specified by:

toString in interface Vector

Overrides:

toString in class java.lang.Object

equals

public boolean equals(java.lang.Object o)

True if o is not null, from the Vector2D class without beeing from a subclass, and have the same coordinates in the same order than this.

Specified by:

equals in interface Vector

Overrides:

equals in class java.lang.Object

clone

public java.lang.Object clone()

Return a Vector2D equals() to this one

Specified by:

clone in interface Vector

Overrides:

clone in class java.lang.Object

getPoint

public Point2D getPoint()

Get the Point corresponding to this Vector

norm

public double norm()

Get this vector's norm

Specified by:

norm in interface Vector

normalize

public void normalize()

Normalize this vector

Specified by:

normalize in interface Vector

getNormalized

public Vector2D getNormalized()

Return a normalized vector corresponding to this

equilibrate

public void equilibrate()

Equilibrate this vector

Specified by:

equilibrate in interface Vector

getEquilibrated

public Vector2D getEquilibrated()

Return an equilibrated vector corresponding to this

multiply

public void multiply(double d)

Multiply this vector

Specified by:

multiply in interface Vector

getProduct

public Vector2D getProduct(double d)

Get the multiplied vector corresponding to this one

divide

public void divide(double d)

Divide this vector

Specified by:

divide in interface Vector

getDivided

public Vector2D getDivided(double d)

Get the divided vector corresponding to this one

add

public void add(Vector2D v)

Add the given vector

getSum

public Vector2D getSum(Vector2D vToAdd)

Get the sum vector

substract

public void substract(Vector2D v)

Substract the given vector

getDifference

public Vector2D getDifference(Vector2D vToSubstract)

Get the difference vector

scalarProduct

public double scalarProduct(Vector2D v)

Get the scalar (or dot) product with the given vector

getProjected

public Vector2D getProjected(Vector2D v)

Get the projection on this of the given vector

projectOn

public Vector2D projectOn(Vector2D v)

Get the projection on the given vector of this