javax.vecmath

Class Vector3f

java.lang.Object

javax.vecmath.Tuple3f

javax.vecmath.Vector3f

All Implemented Interfaces:

Serializable, Cloneable

public class Vector3f
extends Tuple3f
implements Serializable

A 3-element vector that is represented by single-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.Tuple3f

x, y, z

Constructor Summary

Constructors

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

Method Summary

Methods

Modifier and Type	Method and Description
float	angle(Vector3f 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(Vector3f v1, Vector3f v2) Sets this vector to be the vector cross product of vectors v1 and v2.
float	dot(Vector3f v1) Computes the dot product of this vector and vector v1.
float	length() Returns the length of this vector.
float	lengthSquared() Returns the squared length of this vector.
void	normalize() Normalizes this vector in place.
void	normalize(Vector3f v1) Sets the value of this vector to the normalization of vector v1.

Methods inherited from class javax.vecmath.Tuple3f

absolute, absolute, add, add, clamp, clamp, clampMax, clampMax, clampMin, clampMin, clone, epsilonEquals, equals, equals, get, get, getX, getY, getZ, hashCode, interpolate, interpolate, negate, negate, scale, scale, 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

Vector3f

public Vector3f(float x,
        float y,
        float z)

Constructs and initializes a Vector3f from the specified xyz coordinates.

Parameters:

x - the x coordinate

y - the y coordinate

z - the z coordinate

Vector3f

public Vector3f(float[] v)

Constructs and initializes a Vector3f from the array of length 3.

Parameters:

v - the array of length 3 containing xyz in order

Vector3f

public Vector3f(Vector3f v1)

Constructs and initializes a Vector3f from the specified Vector3f.

Parameters:

v1 - the Vector3f containing the initialization x y z data

Vector3f

public Vector3f(Vector3d v1)

Constructs and initializes a Vector3f from the specified Vector3d.

Parameters:

v1 - the Vector3d containing the initialization x y z data

Vector3f

public Vector3f(Tuple3f t1)

Constructs and initializes a Vector3f from the specified Tuple3f.

Parameters:

t1 - the Tuple3f containing the initialization x y z data

Vector3f

public Vector3f(Tuple3d t1)

Constructs and initializes a Vector3f from the specified Tuple3d.

Parameters:

t1 - the Tuple3d containing the initialization x y z data

Vector3f

public Vector3f()

Constructs and initializes a Vector3f to (0,0,0).

Method Detail

lengthSquared

public final float lengthSquared()

Returns the squared length of this vector.

Returns:

the squared length of this vector

length

public final float length()

Returns the length of this vector.

Returns:

the length of this vector

cross

public final void cross(Vector3f v1,
         Vector3f 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 float dot(Vector3f v1)

Computes the dot product of this vector and vector v1.

Parameters:

v1 - the other vector

Returns:

the dot product of this vector and v1

normalize

public final void normalize(Vector3f 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.

angle

public final float angle(Vector3f 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]