quentinc.geom
Class Vector

java.lang.Object
  quentinc.geom.Vector

All Implemented Interfaces:

java.io.Serializable, java.lang.Cloneable

public class Vector
extends java.lang.Object
implements java.lang.Cloneable, java.io.Serializable

Class for manipulating 3D vectors.

See Also:

Serialized Form

Constructor Summary

Vector()
Default constructor.

Vector(double x, double y)
_Create a new vector with given x and y, and z=0

Vector(double x, double y, double z)
Create a new vector with given components

Method Summary

Vector	add(double x, double y, double z) Add values to each component
Vector	add(Vector v) Add the vector given to this one
Vector	clone()
Vector	crossProduct(Vector v) Return the cross product of this vector and the one given
Vector	divide(double f) Divide the vector by a scalar value
boolean	equals(java.lang.Object o)
double	getLength() Get the vector's length, as known as norma.
double	getX() Get X component
double	getY() Get Y component
double	getZ() Get Z component
int	hashCode()
Vector	linearTransform(Matrix m) Multiply this vector with the given 3x3 matrix.
Vector	multiply(double f) Multiply the vector by a scalar value
void	normalize() Normalize the vector so that it has a length of 1
double	scalarProduct(Vector v) Return the scalar product (as known as dot product) of this vector and the one given.
void	set(double x, double y, double z) Set all the components in one call
void	setX(double a) Set X component
void	setY(double a) Set Y component
void	setZ(double a) set Z component
Vector	subtract(double x, double y, double z) Subtract the given vector to this one
Vector	subtract(Vector v) Subtract the given vector to this one
java.lang.String	toString() Return a String representation of this vector (i.e. "1;2;3")

Methods inherited from class java.lang.Object

getClass, notify, notifyAll, wait, wait, wait

Constructor Detail

Vector

public Vector()

Default constructor. Create a new vector x=0, y=0, z=0

Vector

public Vector(double x,
              double y)

_Create a new vector with given x and y, and z=0

Vector

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

Create a new vector with given components

Method Detail

getX

public double getX()

Get X component

getY

public double getY()

Get Y component

getZ

public double getZ()

Get Z component

setX

public void setX(double a)

Set X component

setY

public void setY(double a)

Set Y component

setZ

public void setZ(double a)

set Z component

getLength

public double getLength()

Get the vector's length, as known as norma. Formula : sqrt(x^2 + y^2 + z^2)

normalize

public void normalize()

Normalize the vector so that it has a length of 1

divide

public Vector divide(double f)

Divide the vector by a scalar value

multiply

public Vector multiply(double f)

Multiply the vector by a scalar value

set

public void set(double x,
                double y,
                double z)

Set all the components in one call

add

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

Add values to each component

add

public Vector add(Vector v)

Add the vector given to this one

subtract

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

Subtract the given vector to this one

subtract

public Vector subtract(Vector v)

Subtract the given vector to this one

scalarProduct

public double scalarProduct(Vector v)

Return the scalar product (as known as dot product) of this vector and the one given.

crossProduct

public Vector crossProduct(Vector v)

Return the cross product of this vector and the one given

linearTransform

public Vector linearTransform(Matrix m)

Multiply this vector with the given 3x3 matrix. Operation as known as linear transformation.

toString

public java.lang.String toString()

Return a String representation of this vector (i.e. "1;2;3")

Overrides:

toString in class java.lang.Object

clone

public Vector clone()

Overrides:

clone in class java.lang.Object

equals

public boolean equals(java.lang.Object o)

Overrides:

equals in class java.lang.Object

hashCode

public int hashCode()

Overrides:

hashCode in class java.lang.Object