/**
* Redefines this Rotation's magnitude to a given angle. The axis, in terms of a single axis and
* angle of rotation, will remain unchanged.
*
* <p>Note that when the Rotation defines no rotation (0 degrees), the axis of rotation is a zero
* vector. For this reason, changing the rotation angle from 0 to a non-zero value will have no
* effect without explicitly setting the axis of rotation.
*
* @param angle The degree of rotation, in radians, about the current axis.
*/
public void setAngle(double angle) {
setAxisAngle(getAxis(), angle);
}
/**
* Redefines this Rotation to be about a given axis. The degree of rotation, in terms of a single
* axis and angle of rotation, will remain unchanged.
*
* @param axis The axis about which rotation will occur.
*/
public void setAxis(Vector3D axis) {
setAxisAngle(axis, getAngle());
}