// Use this for initialization
void Start()
{
obs = Observer.GetComponent <Relativity_Observer>();
//coordinateTimeStart = obs.CoordinateTime;
lr = GetComponent <LineRenderer>();
rb = GetComponent <Relativity_Rigidbody>();
rb.Observer = Observer;
}
// Use this for initialization
void Start()
{
rb = GetComponent <Relativity_Rigidbody>();
P0 = transform.position;
}