void Node::calculate_quats(osg::ref_ptr<osg::Vec3Array> axis) {
//To build the quaternion we use an axis and a rotation around that axis
//from the bvh file. Since OSG uses premultiplication the order of the
//rotations is build backwards
for (unsigned int i = 0; i < freuler->size(); i++) {
quat_arr.at(i) = osg::Quat(freuler->at(i)[2], axis->at(2),
freuler->at(i)[1], axis->at(1), freuler->at(i)[0], axis->at(0));
}
}
void PointCloud::from_osgVec3Array(
const osg::ref_ptr<osg::Vec3Array>& in_cloud) {
cloud->resize(in_cloud->size());
for (unsigned int i = 0; i < in_cloud->size(); i++) {
set_osg(i, in_cloud->at(i));
}
}