public static extern void Sixense_GetTrackerData(Tracker track, out SixenseCore.PluginTypes.TrackedDeviceData data);
public void UpdateTrackerInput(Tracker tracker, ref SixenseCore.Tracker input)
{
SixenseCore.PluginTypes.TrackedDeviceData d;
Plugin.Sixense_GetTrackerData(tracker, out d);
input.PreUpdate();
input.ProcessData(d);
}