void Awake()
 {
     tdr = GetComponent <TrainingDataRecorder> ();
     cac = GetComponent <CarAiController> ();
     car = GetComponent <Rigidbody> ();
     im  = GetComponent <InputManager> ();
 }
 void Awake()
 {
     cac = GetComponent <CarAiController>();
     car = GetComponent <Rigidbody>();
     im  = GetComponent <InputManager>();
 }