javax.vecmath

Class Vector3d

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.
Constructor Summary
Vector3d(double x, double y, double z)
Constructs and initializes a Vector3d from the specified xyz coordinates.
Vector3d(double[] v)
Constructs and initializes a Vector3d from the specified array of length 3.
Vector3d(Vector3f v1)
Constructs and initializes a Vector3d from the specified Vector3f.
Vector3d(Vector3d v1)
Constructs and initializes a Vector3d from the specified Vector3d.
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()
Constructs and initializes a Vector3d to (0,0,0).
Method Summary
doubleangle(Vector3d v1)
Returns the angle in radians between this vector and the vector parameter; the return value is constrained to the range [0,PI].
voidcross(Vector3d v1, Vector3d v2)
Sets this vector to be the vector cross product of vectors v1 and v2.
doubledot(Vector3d v1)
Computes the dot product of the this vector and vector v1.
doublelength()
Returns the length of this vector.
doublelengthSquared()
Returns the squared length of this vector.
voidnormalize(Vector3d v1)
Sets the value of this vector to the normalization of vector v1.
voidnormalize()
Normalizes this vector in place.

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 specified array of length 3.

Parameters: v the array of length 3 containing xyz in order

Vector3d

public Vector3d(Vector3f v1)
Constructs and initializes a Vector3d from the specified Vector3f.

Parameters: v1 the Vector3d containing the initialization x y z data

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

Method Detail

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]

cross

public final void cross(Vector3d v1, Vector3d v2)
Sets this vector to be the vector cross product of vectors v1 and v2.

Parameters: v1 the first vector v2 the second vector

dot

public final double dot(Vector3d v1)
Computes the dot product of the this vector and vector v1.

Parameters: v1 the other vector

length

public final double length()
Returns the length of this vector.

Returns: the length of this vector

lengthSquared

public final double lengthSquared()
Returns the squared length of this vector.

Returns: the squared length of this 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.