math
Class Vector

java.lang.Object
  math.Vector

Direct Known Subclasses:

Point3D, Vector3D

public class Vector
extends java.lang.Object

a 4 vector for homogene coordinates

Field Summary

double	w
double	x
double	y
double	z

Constructor Summary

Vector(double x, double y, double z, double w)
constructor

Method Summary

double	dot(Vector v) calculates the scalar product
boolean	normalize() normalize depending on context (vector or point)

Methods inherited from class java.lang.Object

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

Field Detail

x

public double x

y

public double y

z

public double z

w

public double w

Constructor Detail

Vector

public Vector(double x,
              double y,
              double z,
              double w)

constructor

Parameters:

x -

y -

z -

w - 4th component

Method Detail

normalize

public boolean normalize()

normalize depending on context (vector or point)

Returns:

if normalizing was successfull

dot

public double dot(Vector v)

calculates the scalar product

Parameters:

v - [in] vector

Returns:

this dot v