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## javax.vecmath
Class AxisAngle4f

    java.lang.Object
      javax.vecmath.AxisAngle4f

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

    public class AxisAngle4f

extends java.lang.Object
implements java.io.Serializable, java.lang.Cloneable

A four-element axis angle represented by single-precision floating point x,y,z,angle components. An axis angle is a rotation of angle (radians) about the vector (x,y,z).

See Also:
  Serialized Form

Field Summary
`float` | `angle` The angle of rotation in radians.
`float` | `x` The x coordinate.
`float` | `y` The y coordinate.
`float` | `z` The z coordinate.

Constructor Summary
`AxisAngle4f()` Constructs and initializes an AxisAngle4f to (0,0,1,0).
`AxisAngle4f(AxisAngle4d a1)` Constructs and initializes an AxisAngle4f from the specified AxisAngle4d.
`AxisAngle4f(AxisAngle4f a1)` Constructs and initializes an AxisAngle4f from the specified AxisAngle4f.
`AxisAngle4f(float[] a)` Constructs and initializes an AxisAngle4f from the array of length 4.
`AxisAngle4f(float x, float y, float z, float angle)` Constructs and initializes a AxisAngle4f from the specified xyzw coordinates.
`AxisAngle4f(Vector3f axis, float angle)` Constructs and initializes an AxisAngle4f from the specified axis and angle.

Method Summary
`java.lang.Object` | `clone()` Creates a new object of the same class as this object.
`boolean` | `epsilonEquals(AxisAngle4f a1, float epsilon)` Returns true if the L-infinite distance between this axis-angle and axis-angle a1 is less than or equal to the epsilon parameter, otherwise returns false.
`boolean` | `equals(AxisAngle4f a1)` Returns true if all of the data members of AxisAngle4f a1 are equal to the corresponding data members in this AxisAngle4f.
`boolean` | `equals(java.lang.Object o1)` Returns true if the Object o1 is of type AxisAngle4f and all of the data members of o1 are equal to the corresponding data members in this AxisAngle4f.
`void` | `get(float[] a)` Copies the value of this axis-angle into the array a.
`float` | `getAngle()` Get the axis angle, in radians. An axis angle is a rotation angle about the vector (x,y,z).
`float` | `getX()` Get value of x coordinate.
`float` | `getY()` Get value of y coordinate.
`float` | `getZ()` Get value of z coordinate.
`int` | `hashCode()` Returns a hash code value based on the data values in this object.
`void` | `set(AxisAngle4d a1)` Sets the value of this axis-angle to the value of axis-angle a1.
`void` | `set(AxisAngle4f a1)` Sets the value of this axis-angle to the value of axis-angle a1.
`void` | `set(float[] a)` Sets the value of this axis-angle to the specified values in the array of length 4.
`void` | `set(float x, float y, float z, float angle)` Sets the value of this axis-angle to the specified x,y,z,angle.
`void` | `set(Matrix3d m1)` Sets the value of this axis-angle to the rotational component of the passed matrix.
`void` | `set(Matrix3f m1)` Sets the value of this axis-angle to the rotational component of the passed matrix.
`void` | `set(Matrix4d m1)` Sets the value of this axis-angle to the rotational component of the passed matrix.
`void` | `set(Matrix4f m1)` Sets the value of this axis-angle to the rotational component of the passed matrix.
`void` | `set(Quat4d q1)` Sets the value of this axis-angle to the rotational equivalent of the passed quaternion.
`void` | `set(Quat4f q1)` Sets the value of this axis-angle to the rotational equivalent of the passed quaternion.
`void` | `set(Vector3f axis, float angle)` Sets the value of this AxisAngle4f to the specified axis and angle.
`void` | `setAngle(float angle)` Set the axis angle, in radians. An axis angle is a rotation angle about the vector (x,y,z).
`void` | `setX(float x)` Set a new value for x coordinate.
`void` | `setY(float y)` Set a new value for y coordinate.
`void` | `setZ(float z)` Set a new value for z coordinate.
`java.lang.String` | `toString()` Returns a string that contains the values of this AxisAngle4f.

Methods inherited from class java.lang.Object
`finalize, getClass, notify, notifyAll, wait, wait, wait`

Field Detail

### x

    public float x

  The x coordinate.

### y

    public float y

  The y coordinate.

### z

    public float z

  The z coordinate.

### angle

    public float angle

  The angle of rotation in radians.

Constructor Detail

### AxisAngle4f

    public AxisAngle4f(float x,
                       float y,
                       float z,
                       float angle)

  Constructs and initializes a AxisAngle4f from the specified xyzw coordinates.

  Parameters:
    `x` - the x coordinate
    `y` - the y coordinate
    `z` - the z coordinate
    `angle` - the angle of rotation in radians

### AxisAngle4f

    public AxisAngle4f(float[] a)

  Constructs and initializes an AxisAngle4f from the array of length 4.

  Parameters:
    `a` - the array of length 4 containing x,y,z,angle in order

### AxisAngle4f

    public AxisAngle4f(AxisAngle4f a1)

  Constructs and initializes an AxisAngle4f from the specified AxisAngle4f.

  Parameters:
    `a1` - the AxisAngle4f containing the initialization x y z angle data

### AxisAngle4f

    public AxisAngle4f(AxisAngle4d a1)

  Constructs and initializes an AxisAngle4f from the specified AxisAngle4d.

  Parameters:
    `a1` - the AxisAngle4d containing the initialization x y z angle data

### AxisAngle4f

    public AxisAngle4f(Vector3f axis,
                       float angle)

  Constructs and initializes an AxisAngle4f from the specified axis and angle.

  Parameters:
    `axis` - the axis
    `angle` - the angle of rotation in radians
  Since:
    vecmath 1.2

### AxisAngle4f

    public AxisAngle4f()

  Constructs and initializes an AxisAngle4f to (0,0,1,0).

Method Detail

### set

    public final void set(float x,
                          float y,
                          float z,
                          float angle)

  Sets the value of this axis-angle to the specified x,y,z,angle.

  Parameters:
    `x` - the x coordinate
    `y` - the y coordinate
    `z` - the z coordinate
    `angle` - the angle of rotation in radians

### set

    public final void set(float[] a)

  Sets the value of this axis-angle to the specified values in the array of length 4.

  Parameters:
    `a` - the array of length 4 containing x,y,z,angle in order

### set

    public final void set(AxisAngle4f a1)

  Sets the value of this axis-angle to the value of axis-angle a1.

  Parameters:
    `a1` - the axis-angle to be copied

### set

    public final void set(AxisAngle4d a1)

  Sets the value of this axis-angle to the value of axis-angle a1.

  Parameters:
    `a1` - the axis-angle to be copied

### set

    public final void set(Vector3f axis,
                          float angle)

  Sets the value of this AxisAngle4f to the specified axis and angle.

  Parameters:
    `axis` - the axis
    `angle` - the angle of rotation in radians
  Since:
    vecmath 1.2

### get

    public final void get(float[] a)

  Copies the value of this axis-angle into the array a.

  Parameters:
    `a` - the array

### set

    public final void set(Quat4f q1)

  Sets the value of this axis-angle to the rotational equivalent of the passed quaternion. If the specified quaternion has no rotational component, the value of this AxisAngle4f is set to an angle of 0 about an axis of (0,1,0).

  Parameters:
    `q1` - the Quat4f

### set

    public final void set(Quat4d q1)

  Sets the value of this axis-angle to the rotational equivalent of the passed quaternion. If the specified quaternion has no rotational component, the value of this AxisAngle4f is set to an angle of 0 about an axis of (0,1,0).

  Parameters:
    `q1` - the Quat4d

### set

    public final void set(Matrix4f m1)

  Sets the value of this axis-angle to the rotational component of the passed matrix. If the specified matrix has no rotational component, the value of this AxisAngle4f is set to an angle of 0 about an axis of (0,1,0).

  Parameters:
    `m1` - the matrix4f

### set

    public final void set(Matrix4d m1)

  Sets the value of this axis-angle to the rotational component of the passed matrix. If the specified matrix has no rotational component, the value of this AxisAngle4f is set to an angle of 0 about an axis of (0,1,0).

  Parameters:
    `m1` - the matrix4d

### set

    public final void set(Matrix3f m1)

  Sets the value of this axis-angle to the rotational component of the passed matrix. If the specified matrix has no rotational component, the value of this AxisAngle4f is set to an angle of 0 about an axis of (0,1,0).

  Parameters:
    `m1` - the matrix3f

### set

    public final void set(Matrix3d m1)

  Sets the value of this axis-angle to the rotational component of the passed matrix. If the specified matrix has no rotational component, the value of this AxisAngle4f is set to an angle of 0 about an axis of (0,1,0).

  Parameters:
    `m1` - the matrix3d

### toString

    public java.lang.String toString()

  Returns a string that contains the values of this AxisAngle4f. The form is (x,y,z,angle).

  Overrides:
    `toString` in class `java.lang.Object`
  Returns:
    the String representation

### equals

    public boolean equals(AxisAngle4f a1)

  Returns true if all of the data members of AxisAngle4f a1 are equal to the corresponding data members in this AxisAngle4f.

  Parameters:
    `a1` - the axis-angle with which the comparison is made
  Returns:
    true or false

### equals

    public boolean equals(java.lang.Object o1)

  Returns true if the Object o1 is of type AxisAngle4f and all of the data members of o1 are equal to the corresponding data members in this AxisAngle4f.

  Overrides:
    `equals` in class `java.lang.Object`
  Parameters:
    `o1` - the object with which the comparison is made
  Returns:
    true or false

### epsilonEquals

    public boolean epsilonEquals(AxisAngle4f a1,
                                 float epsilon)

  Returns true if the L-infinite distance between this axis-angle and axis-angle a1 is less than or equal to the epsilon parameter, otherwise returns false. The L-infinite distance is equal to MAX[abs(x1-x2), abs(y1-y2), abs(z1-z2), abs(angle1-angle2)].

  Parameters:
    `a1` - the axis-angle to be compared to this axis-angle
    `epsilon` - the threshold value

### hashCode

    public int hashCode()

  Returns a hash code value based on the data values in this object. Two different AxisAngle4f objects with identical data values (i.e., AxisAngle4f.equals returns true) will return the same hash code value. Two objects with different data members may return the same hash value, although this is not likely.

  Overrides:
    `hashCode` in class `java.lang.Object`
  Returns:
    the integer hash code value

### clone

    public java.lang.Object clone()

  Creates a new object of the same class as this object.

  Overrides:
    `clone` in class `java.lang.Object`
  Returns:
    a clone of this instance.
  Throws:
    `java.lang.OutOfMemoryError` - if there is not enough memory.
  Since:
    vecmath 1.3
  See Also:
    `Cloneable`

### getAngle

    public final float getAngle()

  Get the axis angle, in radians.
  An axis angle is a rotation angle about the vector (x,y,z).

  Returns:
    Returns the angle, in radians.
  Since:
    vecmath 1.5

### setAngle

    public final void setAngle(float angle)

  Set the axis angle, in radians.
  An axis angle is a rotation angle about the vector (x,y,z).

  Parameters:
    `angle` - The angle to set, in radians.
  Since:
    vecmath 1.5

### getX

    public final float getX()

  Get value of x coordinate.

  Returns:
    the x coordinate.
  Since:
    vecmath 1.5

### setX

    public final void setX(float x)

  Set a new value for x coordinate.

  Parameters:
    `x` - the x coordinate.
  Since:
    vecmath 1.5

### getY

    public final float getY()

  Get value of y coordinate.

  Returns:
    the y coordinate
  Since:
    vecmath 1.5

### setY

    public final void setY(float y)

  Set a new value for y coordinate.

  Parameters:
    `y` - the y coordinate.
  Since:
    vecmath 1.5

### getZ

    public final float getZ()

  Get value of z coordinate.

  Returns:
    the z coordinate.
  Since:
    vecmath 1.5

### setZ

    public final void setZ(float z)

  Set a new value for z coordinate.

  Parameters:
    `z` - the z coordinate.
  Since:
    vecmath 1.5

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