// Save/Load to XML
void
ArTrackSpiral::_writeXML(ArRef<XmlNode> node) const
{
ArKeyFrameTrack::_writeXML(node);
node->setName("TrackSpiral");
node->setPropertyReal("vx",_axis.x());
node->setPropertyReal("vy",_axis.y());
node->setPropertyReal("vz",_axis.z());
node->setPropertyReal("ox",_offset.x());
node->setPropertyReal("oy",_offset.y());
node->setPropertyReal("oz",_offset.z());
}
// Save/Load to XML
void
ArTrackOrientation::_writeXML(ArRef<XmlNode> node) const
{
node->setName("TrackOrientation");
node->setPropertyReal("duration",_track->getDuration());
node->setPropertyInteger("degree",_track->getDegree());
node->setPropertyInteger("dimension",4);
ArTrackOrientationInterpolator *track=(ArTrackOrientationInterpolator *)_track;
StlVector<unsigned> keysPositions;
track->getKeysPositions(keysPositions);
VectorN<double,4> key;
for (unsigned i=0;i<keysPositions.size();i++)
{
track->getKeyFrame(keysPositions[i],key );
ArRef<XmlNode> keyFrame=node->addChild("KeyFrameOrientation");
keyFrame->setPropertyInteger("frame",keysPositions[i]);
Quaterniond q(key[0],key[1],key[2],key[3]);
Vector3d axis;
double angle;
q.getAxisAngle(axis,angle);
keyFrame->setPropertyReal("vx",axis.x());
keyFrame->setPropertyReal("vy",axis.y());
keyFrame->setPropertyReal("vz",axis.z());
keyFrame->setPropertyReal("angle",angle);
}
}
