javax.media.ding3d.vecmath
Class AxisAngle4f

java.lang.Object
  javax.media.ding3d.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.
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.
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

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