Begginer questions

[Szagi]

Sorry for my bad explanation

1.) I didn't understood this well  Animate property can be use for this: my enemy moves for example 5 units, than stops, then change direction and moves 8 units? 

2.)  http://imgur.com/HAjeUPX vertical wall is my trigger which changes splines from down spline to upper spline, but this is a bit jumpy and I have no idea how can I do it smoother

this is my code: 

Code:

void OnTriggerEnter(Collider other)
{
if(other.tag == "Player"){
PlayerSplineController wagon = other.GetComponent<PlayerController>().Wagon;

//TODO:  changing splines is good thing to move to SplineManager
if (wagon != null) {
_enterDirection = Mathf.Sign (wagon.Speed);
Vector3 nearestPoint;
float nearestPointTF;
Transform newParent;
CurvySpline newSpline;

if (direction && _enterDirection > 0 || !direction && _enterDirection < 0 ) {
nearestPointTF = nextSpline.GetNearestPointTF(transform.position,out nearestPoint,7,8);
newSpline = nextSpline;
newParent = nextSpline.transform;
} else {
nearestPointTF = prevSpline.GetNearestPointTF(transform.position,out nearestPoint,6,7);
newSpline = prevSpline;
newParent = prevSpline.transform;
}

wagon.SwitchTo(newSpline, nearestPointTF, 0);
wagon.transform.parent = newParent;
}
}
}