public void UpdateControls()
{
var currentVelocity = gameObject.GetComponent <Rigidbody>().velocity;
var pointToCheck = transform.position + currentVelocity * _lookAheadDistance;
var closestPointOnRacingLine = _racingLine.FindClosest(pointToCheck);
var heading = (pointToCheck - closestPointOnRacingLine);
var varianceMag = heading.magnitude;
//Determine if car is to the left or right of racing line
Vector3 perp = Vector3.Cross(transform.forward, heading);
float dir = Vector3.Dot(perp, transform.up);
Debug.Log(dir);
if (dir < 0)
{
_car.SetTurningPower(varianceMag);
}
else
{
_car.SetTurningPower(-varianceMag);
}
_car.SetAccelerationPower(1);
_debugPointToCheck = pointToCheck;
_debugClosestPoint = closestPointOnRacingLine;
}