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## javax.vecmath
Class Vector3f

    java.lang.Object
      javax.vecmath.Tuple3f
          javax.vecmath.Vector3f

All Implemented Interfaces:
  java.io.Serializable, java.lang.Cloneable

    public class Vector3f

extends Tuple3f
implements java.io.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
`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
`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]

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Copyright 1996-2008 Sun Microsystems, Inc. All Rights Reserved. Use is subject to license terms.