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Class javax.vecmath.Quat4f

java.lang.Object
   |
   +----javax.vecmath.Tuple4f
           |
           +----javax.vecmath.Quat4f

public class Quat4f

extends javax.vecmath.Tuple4f

implements java.io.Serializable

Version:

specification 1.1, implementation $Revision: 1.8 $, $Date: 1999/03/11 00:17:50 $

Author:

Kenji hiranabe

Quat4f()

Constructs and initializes a Quat4f to (0,0,0,0).

Quat4f(float, float, float, float)

Constructs and initializes a Quat4f from the specified xyzw coordinates.

Quat4f(float[])

Constructs and initializes a Quat4f from the array of length 4.

Quat4f(Quat4d)

Constructs and initializes a Quat4f from the specified Quat4d.

Quat4f(Quat4f)

Constructs and initializes a Quat4f from the specified Quat4f.

Quat4f(Tuple4d)

Constructs and initializes a Quat4f from the specified Tuple4d.

Quat4f(Tuple4f)

Constructs and initializes a Quat4f from the specified Tuple4f.

conjugate()

Negate the value of of each of this quaternion's x,y,z coordinates in place.

conjugate(Quat4f)

Sets the value of this quaternion to the conjugate of quaternion q1.

interpolate(Quat4f, double)

Performs a great circle interpolation between this quaternion and the quaternion parameter and places the result into this quaternion.

interpolate(Quat4f, Quat4f, double)

Performs a great circle interpolation between quaternion q1 and quaternion q2 and places the result into this quaternion.

inverse()

Sets the value of this quaternion to the quaternion inverse of itself.

inverse(Quat4f)

Sets the value of this quaternion to quaternion inverse of quaternion q1.

mul(Quat4f)

Sets the value of this quaternion to the quaternion product of itself and q1 (this = this * q1).

mul(Quat4f, Quat4f)

Sets the value of this quaternion to the quaternion product of quaternions q1 and q2 (this = q1 * q2).

mulInverse(Quat4f)

Multiplies this quaternion by the inverse of quaternion q1 and places the value into this quaternion.

mulInverse(Quat4f, Quat4f)

Multiplies quaternion q1 by the inverse of quaternion q2 and places the value into this quaternion.

normalize()

Normalizes the value of this quaternion in place.

normalize(Quat4f)

Sets the value of this quaternion to the normalized value of quaternion q1.

set(AxisAngle4d)

Sets the value of this quaternion to the equivalent rotation of teh AxisAngle argument.

set(AxisAngle4f)

Sets the value of this quaternion to the equivalent rotation of teh AxisAngle argument.

set(Matrix3d)

Sets the value of this quaternion to the rotational component of the passed matrix.

set(Matrix3f)

Sets the value of this quaternion to the rotational component of the passed matrix.

set(Matrix4d)

Sets the value of this quaternion to the rotational component of the passed matrix.

set(Matrix4f)

Sets the value of this quaternion to the rotational component of the passed matrix.

 public Quat4f(float x,
               float y,
               float z,
               float w)

Constructs and initializes a Quat4f from the specified xyzw coordinates.

Parameters:

x - the x coordinate

y - the y coordinate

z - the z coordinate

w - the w scalar component

 public Quat4f(float q[])

Constructs and initializes a Quat4f from the array of length 4.

Parameters:

v - the array of length 4 containing xyzw in order

 public Quat4f(javax.vecmath.Quat4f q1)

Constructs and initializes a Quat4f from the specified Quat4f.

Parameters:

q1 - the Quat4f containing the initialization x y z w data

 public Quat4f(javax.vecmath.Quat4d q1)

Constructs and initializes a Quat4f from the specified Quat4d.

Parameters:

q1 - the Quat4d containing the initialization x y z w data

 public Quat4f(javax.vecmath.Tuple4d t1)

Constructs and initializes a Quat4f from the specified Tuple4d.

Parameters:

t1 - the Tuple4d containing the initialization x y z w data

 public Quat4f(javax.vecmath.Tuple4f t1)

Constructs and initializes a Quat4f from the specified Tuple4f.

Parameters:

t1 - the Tuple4f containing the initialization x y z w data

 public Quat4f()

Constructs and initializes a Quat4f to (0,0,0,0).

 public final void conjugate(javax.vecmath.Quat4f q1)

Sets the value of this quaternion to the conjugate of quaternion q1.

Parameters:

q1 - the source vector

 public final void conjugate()

Negate the value of of each of this quaternion's x,y,z coordinates in place.

 public final void mul(javax.vecmath.Quat4f q1,
                       javax.vecmath.Quat4f q2)

Sets the value of this quaternion to the quaternion product of quaternions q1 and q2 (this = q1 * q2). Note that this is safe for aliasing (e.g. this can be q1 or q2).

Parameters:

q1 - the first quaternion

q2 - the second quaternion

 public final void mul(javax.vecmath.Quat4f q1)

Sets the value of this quaternion to the quaternion product of itself and q1 (this = this * q1).

Parameters:

q1 - the other quaternion

 public final void mulInverse(javax.vecmath.Quat4f q1,
                              javax.vecmath.Quat4f q2)

Multiplies quaternion q1 by the inverse of quaternion q2 and places the value into this quaternion. The value of both argument quaternions is preservered (this = q1 * q2^-1).

Parameters:

q1 - the left quaternion

q2 - the right quaternion

 public final void mulInverse(javax.vecmath.Quat4f q1)

Multiplies this quaternion by the inverse of quaternion q1 and places the value into this quaternion. The value of the argument quaternion is preserved (this = this * q^-1).

Parameters:

q1 - the other quaternion

 public final void inverse(javax.vecmath.Quat4f q1)

Sets the value of this quaternion to quaternion inverse of quaternion q1.

Parameters:

q1 - the quaternion to be inverted

 public final void inverse()

Sets the value of this quaternion to the quaternion inverse of itself.

 public final void normalize(javax.vecmath.Quat4f q1)

Sets the value of this quaternion to the normalized value of quaternion q1.

Parameters:

q1 - the quaternion to be normalized.

 public final void normalize()

Normalizes the value of this quaternion in place.

 public final void set(javax.vecmath.Matrix4f m1)

Sets the value of this quaternion to the rotational component of the passed matrix.

Parameters:

m1 - the matrix4f

 public final void set(javax.vecmath.Matrix4d m1)

Sets the value of this quaternion to the rotational component of the passed matrix.

Parameters:

m1 - the matrix4d

 public final void set(javax.vecmath.Matrix3f m1)

Sets the value of this quaternion to the rotational component of the passed matrix.

Parameters:

m1 - the matrix3f

 public final void set(javax.vecmath.Matrix3d m1)

Sets the value of this quaternion to the rotational component of the passed matrix.

Parameters:

m1 - the matrix3d

 public final void set(javax.vecmath.AxisAngle4f a1)

Sets the value of this quaternion to the equivalent rotation of teh AxisAngle argument.

Parameters:

a1 - the axis-angle

 public final void set(javax.vecmath.AxisAngle4d a1)

Sets the value of this quaternion to the equivalent rotation of teh AxisAngle argument.

Parameters:

a1 - the axis-angle

 public final void interpolate(javax.vecmath.Quat4f q1,
                               double alpha)

Performs a great circle interpolation between this quaternion and the quaternion parameter and places the result into this quaternion.

Parameters:

q1 - the other quaternion

alpha - the alpha interpolation parameter

 public final void interpolate(javax.vecmath.Quat4f q1,
                               javax.vecmath.Quat4f q2,
                               double alpha)

Performs a great circle interpolation between quaternion q1 and quaternion q2 and places the result into this quaternion.

Parameters:

q1 - the first quaternion

q2 - the second quaternion

alpha - the alpha interpolation parameter

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