org.jagatoo.loaders.models.collada
Class Rotations

java.lang.Object
  org.jagatoo.loaders.models.collada.Rotations

public class Rotations
extends java.lang.Object

Rotations utility functions.

Method Summary

static org.openmali.vecmath2.Tuple3f	toEuler(org.openmali.vecmath2.Quaternion4f quaternion) Converts a Quaternion to Euler angles (in radians).
static org.openmali.vecmath2.Quaternion4f	toQuaternion(float rotX, float rotY, float rotZ) Converts Euler angles (in radians) to a (normalized) Quaternion.
static org.openmali.vecmath2.Quaternion4f	toQuaternion(float rotX, float rotY, float rotZ, org.openmali.vecmath2.Quaternion4f quat) Converts Euler angles (in radians) to a (normalized) Quaternion.
static org.openmali.vecmath2.Quaternion4f	toQuaternion(org.openmali.vecmath2.Tuple3f tup) Converts Euler angles (in radians) to a (normalized) Quaternion.
static org.openmali.vecmath2.Quaternion4f	toQuaternion(org.openmali.vecmath2.Tuple3f tup, org.openmali.vecmath2.Quaternion4f quat) Converts Euler angles (in radians) to a (normalized) Quaternion.
static org.openmali.vecmath2.Quaternion4f	toQuaternion(org.openmali.vecmath2.Vector3f axis, float angle) Converts an AxisAngle representation to a Quaternion representation.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Method Detail

toQuaternion

public static org.openmali.vecmath2.Quaternion4f toQuaternion(float rotX,
                                                              float rotY,
                                                              float rotZ,
                                                              org.openmali.vecmath2.Quaternion4f quat)

Converts Euler angles (in radians) to a (normalized) Quaternion.

Parameters:

rotX - Rotation about the X axis, in degrees

rotY - Rotation about the Y axis, in degrees

rotZ - Rotation about the Z axis, in degrees

quat - destiny quaternion

Returns:

the given quaternion with complete with the values.

toQuaternion

public static org.openmali.vecmath2.Quaternion4f toQuaternion(float rotX,
                                                              float rotY,
                                                              float rotZ)

Converts Euler angles (in radians) to a (normalized) Quaternion.

Parameters:

rotX - Rotation about the X axis, in degrees

rotY - Rotation about the Y axis, in degrees

rotZ - Rotation about the Z axis, in degrees

Returns:

The Quaternion representing the same rotation.

toQuaternion

public static org.openmali.vecmath2.Quaternion4f toQuaternion(org.openmali.vecmath2.Tuple3f tup)

Converts Euler angles (in radians) to a (normalized) Quaternion.

Parameters:

tup - rotation values

Returns:

The Quaternion representing the same rotation.

toQuaternion

public static org.openmali.vecmath2.Quaternion4f toQuaternion(org.openmali.vecmath2.Tuple3f tup,
                                                              org.openmali.vecmath2.Quaternion4f quat)

Converts Euler angles (in radians) to a (normalized) Quaternion.

Parameters:

tup - rotation values

quat - destiny quaternion

Returns:

the given quaternion with complete with the values.

toEuler

public static org.openmali.vecmath2.Tuple3f toEuler(org.openmali.vecmath2.Quaternion4f quaternion)

Converts a Quaternion to Euler angles (in radians). Note : the Quaternion can be non-normalized.

Parameters:

quaternion - The quaternion

Returns:

The euler angles (in radians).

toQuaternion

public static org.openmali.vecmath2.Quaternion4f toQuaternion(org.openmali.vecmath2.Vector3f axis,
                                                              float angle)

Converts an AxisAngle representation to a Quaternion representation. Credits goes to euclideanspace.com author.

Parameters:

axis - The axis. Must be unit-length

angle - The angle, in degrees

Returns:

the rotation quaternion.