var path : Array;
var pathGroup : Transform;
var maxSteer : float = 15.0;
var wheelFL : WheelCollider;
var wheelFR : WheelCollider;
var wheelRL : WheelCollider;
var wheelRR : WheelCollider;
var currentPathObj : int;
var distFromPath : float = 20;
var maxTorque : float = 50;
var currentSpeed : float;
var topSpeed : float = 150;
var decellarationSpeed : float = 10;


function Start () {
    var path_objs : Array = pathGroup.GetComponentsInChildren(Transform);
    path = new Array();

    for (var path_obj : Transform in path_objs){
     if (path_obj != pathGroup)
      path [path.length] = path_obj;
    }
}

function Update () {
    Getnode();

    currentSpeed = 2*(22/7)*wheelRL.radius*wheelRL.rpm * 60 / 1000;
    currentSpeed = Mathf.Round (currentSpeed);
    if (currentSpeed <= topSpeed){
    wheelRL.motorTorque = maxTorque;
    wheelRR.motorTorque = maxTorque;
    wheelRL.brakeTorque = 0;
    wheelRR.brakeTorque = 0;
    }
    else {
    wheelRL.motorTorque = 0;
    wheelRR.motorTorque = 0;
    wheelRL.brakeTorque = decellarationSpeed;
    wheelRR.brakeTorque = decellarationSpeed;
    }

}

function Getnode(){

    var steerVector : Vector3 = transform.InverseTransformPoint(Vector3(path[currentPathObj].position.x,transform.position.y,path[currentPathObj].position.z));
    var newSteer : float = maxSteer * (steerVector.x / steerVector.magnitude);
    wheelFL.steerAngle = newSteer;
    wheelFR.steerAngle = newSteer;

    if (steerVector.magnitude <= distFromPath){
    currentPathObj++;
    if (currentPathObj >= path.length)
    currentPathObj = 0;
    }

}