javax.vecmath

Class Vector3f

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

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

Method Detail

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]

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 the this vector and vector v1.

Parameters: v1 the other vector

length

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

Returns: the length of this vector

lengthSquared

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

Returns: the squared length of this vector

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.