in simulation_ws/src/robot_fleet/src/move_object.cc [111:116]
public: void OnPoseCallback(const geometry_msgs::PoseConstPtr &_msg)
{
// Update location variables based on data from callback.
this->current_pose = ignition::math::Pose3d( _msg->position.x, _msg->position.y, _msg->position.z,
_msg->orientation.w, _msg->orientation.x, _msg->orientation.y,_msg->orientation.z);
}