Facemorph
Class Vector3

java.lang.Object
  Facemorph.Vector3

All Implemented Interfaces:

java.io.Serializable

public class Vector3
extends java.lang.Object
implements java.io.Serializable

Simple 3D vector class

See Also:

Serialized Form

Field Summary

float	x x coord
float	y y coord
float	z z coord

Constructor Summary

Vector3()
Construct a zero Vector3D

Vector3(float a, float b, float c)
Construct a full Vector 3D

Vector3(Vector3 p)
Construct a zero Vector3D

Method Summary

void	add(Vector3 p)
Vector3	crossProduct(Vector3 v1) Returns the cross (vector) product of this vector with v1
float	distance(Vector3 p)
float	distanceSquared(Vector3 p)
float	magnitude() returns the magnitude of this vector
boolean	normalise() Normalises this vector to have magnitude 1
float	scalarProduct(Vector3 v1) returns the scalar (dot) product of this vector with v1
void	scale(float s)
void	set(float i, float j, float k) Set the value of this Vector3D
void	sub(Vector3 p)
Vector3	transform(Matrix3 mat) Transform this vector using the matrix given

Methods inherited from class java.lang.Object

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

Field Detail

x

public float x

x coord

y

public float y

y coord

z

public float z

z coord

Constructor Detail

Vector3

public Vector3()

Construct a zero Vector3D

Vector3

public Vector3(Vector3 p)

Construct a zero Vector3D

Vector3

public Vector3(float a,
               float b,
               float c)

Construct a full Vector 3D

Parameters:

a - x coord

b - y coord

c - z coord

Method Detail

set

public void set(float i,
                float j,
                float k)

Set the value of this Vector3D

Parameters:

i - the new x value

j - the new y value

k - the new z value

transform

public Vector3 transform(Matrix3 mat)

Transform this vector using the matrix given

Parameters:

mat - The matrix to transform this with

Returns:

The transformed vector

add

public void add(Vector3 p)

scale

public void scale(float s)

distanceSquared

public float distanceSquared(Vector3 p)

distance

public float distance(Vector3 p)

sub

public void sub(Vector3 p)

crossProduct

public Vector3 crossProduct(Vector3 v1)

Returns the cross (vector) product of this vector with v1

Parameters:

v1 - The vector to cross with

Returns:

The result of the cross product operation i.e. this x v1

normalise

public boolean normalise()

Normalises this vector to have magnitude 1

Returns:

true if the vector was sucessfully normalised, false otherwise

magnitude

public float magnitude()

returns the magnitude of this vector

Returns:

The length of this vector

scalarProduct

public float scalarProduct(Vector3 v1)

returns the scalar (dot) product of this vector with v1

Parameters:

v1 - The vector to dot with

Returns:

The result of this.v1