javax.vecmath

Class Vector3d

java.lang.Object

javax.vecmath.Tuple3d

javax.vecmath.Vector3d

All Implemented Interfaces:

Serializable, Cloneable

public class Vector3d
extends Tuple3d
implements Serializable

A 3-element vector that is represented by double-precision floating point x,y,z coordinates. If this value represents a normal, then it should be normalized.

See Also:

Serialized Form

Field Summary

Fields inherited from class javax.vecmath.Tuple3d

x, y, z

Constructor Summary

Constructors

Constructor and Description
Vector3d() Constructs and initializes a Vector3d to (0,0,0).
Vector3d(double[] v) Constructs and initializes a Vector3d from the array of length 3.
Vector3d(double x, double y, double z) Constructs and initializes a Vector3d from the specified xyz coordinates.
Vector3d(Tuple3d t1) Constructs and initializes a Vector3d from the specified Tuple3d.
Vector3d(Tuple3f t1) Constructs and initializes a Vector3d from the specified Tuple3f.
Vector3d(Vector3d v1) Constructs and initializes a Vector3d from the specified Vector3d.
Vector3d(Vector3f v1) Constructs and initializes a Vector3d from the specified Vector3f.

Method Summary

Methods

Modifier and Type	Method and Description
double	angle(Vector3d v1) Returns the angle in radians between this vector and the vector parameter; the return value is constrained to the range [0,PI].
void	cross(Vector3d v1, Vector3d v2) Sets this vector to the vector cross product of vectors v1 and v2.
double	dot(Vector3d v1) Returns the dot product of this vector and vector v1.
double	length() Returns the length of this vector.
double	lengthSquared() Returns the squared length of this vector.
void	normalize() Normalizes this vector in place.
void	normalize(Vector3d v1) Sets the value of this vector to the normalization of vector v1.

Methods inherited from class javax.vecmath.Tuple3d

absolute, absolute, add, add, clamp, clamp, clamp, clamp, clampMax, clampMax, clampMax, clampMax, clampMin, clampMin, clampMin, clampMin, clone, epsilonEquals, equals, equals, get, get, getX, getY, getZ, hashCode, interpolate, interpolate, interpolate, interpolate, negate, negate, scale, scale, scaleAdd, scaleAdd, scaleAdd, set, set, set, set, setX, setY, setZ, sub, sub, toString

Methods inherited from class java.lang.Object

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

Constructor Detail

Vector3d

public Vector3d(double x,
        double y,
        double z)

Constructs and initializes a Vector3d from the specified xyz coordinates.

Parameters:

x - the x coordinate

y - the y coordinate

z - the z coordinate

Vector3d

public Vector3d(double[] v)

Constructs and initializes a Vector3d from the array of length 3.

Parameters:

v - the array of length 3 containing xyz in order

Vector3d

public Vector3d(Vector3d v1)

Constructs and initializes a Vector3d from the specified Vector3d.

Parameters:

v1 - the Vector3d containing the initialization x y z data

Vector3d

public Vector3d(Vector3f v1)

Constructs and initializes a Vector3d from the specified Vector3f.

Parameters:

v1 - the Vector3f containing the initialization x y z data

Vector3d

public Vector3d(Tuple3f t1)

Constructs and initializes a Vector3d from the specified Tuple3f.

Parameters:

t1 - the Tuple3f containing the initialization x y z data

Vector3d

public Vector3d(Tuple3d t1)

Constructs and initializes a Vector3d from the specified Tuple3d.

Parameters:

t1 - the Tuple3d containing the initialization x y z data

Vector3d

public Vector3d()

Constructs and initializes a Vector3d to (0,0,0).

Method Detail

cross

public final void cross(Vector3d v1,
         Vector3d v2)

Sets this vector to the vector cross product of vectors v1 and v2.

Parameters:

v1 - the first vector

v2 - the second vector

normalize

public final void normalize(Vector3d v1)

Sets the value of this vector to the normalization of vector v1.

Parameters:

v1 - the un-normalized vector

normalize

public final void normalize()

Normalizes this vector in place.

dot

public final double dot(Vector3d v1)

Returns the dot product of this vector and vector v1.

Parameters:

v1 - the other vector

Returns:

the dot product of this and v1

lengthSquared

public final double lengthSquared()

Returns the squared length of this vector.

Returns:

the squared length of this vector

length

public final double length()

Returns the length of this vector.

Returns:

the length of this vector

angle

public final double angle(Vector3d v1)

Returns the angle in radians between this vector and the vector parameter; the return value is constrained to the range [0,PI].

Parameters:

v1 - the other vector

Returns:

the angle in radians in the range [0,PI]