void Update()
{
if (!_moving)
{
return;
}
// Stop the car if there is an obstacle
if (ObstacleExists())
{
StopCar(true);
return;
}
if (_switchingLanes)
{
// Set target
Vector3 targetPos;
if (_intersectionOffset > 0f) // turning into the middle of a lane
{
var straight = _intersectionFrom.GetComponent <IntersectionStraight>();
targetPos = straight.MainRoad.GetPointInPath(straight.IntersectionOffset);
}
else
{
targetPos = _hitCenter ? _targetLane.GetStartPoint() : _intersectionFrom.transform.position;
}
// Move our position a step closer to the target.
float step = Speed * Time.deltaTime; // calculate distance to move
transform.position = Vector3.MoveTowards(transform.position, targetPos, step);
// Look towards movement direction
Vector3 targetDirection = targetPos - transform.position;
Vector3 newDirection = Vector3.RotateTowards(transform.forward, targetDirection, step, 0.0f);
transform.rotation = Quaternion.LookRotation(newDirection);
// Check if the position are approximately equal.
if (Vector3.Distance(transform.position, targetPos) < 0.001f)
{
if (_hitCenter)
{
PutCarOnLaneFromIntersection(_targetLane, _intersectionOffset);
}
else
{
_hitCenter = true;
}
}
}
else // Car is moving forward
{
if (_currentLane == null)
{
Debug.LogWarning("No lane"); return;
}
if (_shouldTurnOff)
{
if (!IsAtTurnoff())
{
return;
}
_shouldTurnOff = false;
StopCar();
GetOffLane();
MoveToLane(_intersectionStraight.LaneEntrances.First(), _intersectionStraight);
}
else
{
// Check for the end of the path
if (!IsAtEnd())
{
return;
}
StopCar();
PlaceCarInQueue();
}
}
}