public void WheelColliderSet(GameObject parentCar)//调用定义的递归方法设置轮子碰撞器  根据父物体设置轮子模型网格面
    {
        wheelColliders[0] = FindOBJ.findit(parentCar, "FL").GetComponent <WheelCollider>();
        wheelColliders[1] = FindOBJ.findit(parentCar, "FR").GetComponent <WheelCollider>();
        wheelColliders[2] = FindOBJ.findit(parentCar, "BL").GetComponent <WheelCollider>();
        wheelColliders[3] = FindOBJ.findit(parentCar, "BR").GetComponent <WheelCollider>();

        tireMesh[0] = FindOBJ.findit(parentCar, "fl_wheel").transform;
        tireMesh[1] = FindOBJ.findit(parentCar, "fr_wheel").transform;
        tireMesh[2] = FindOBJ.findit(parentCar, "rl_wheel").transform;
        tireMesh[3] = FindOBJ.findit(parentCar, "rr_wheel").transform;
    }
    // Use this for initialization
    void Start()
    {
        Transform[] waypointTransform = waypoint.GetComponentsInChildren <Transform>();
        nodes = new List <Transform>();
        for (int i = 0; i < waypointTransform.Length; i++)
        {
            if (waypointTransform[i] != waypoint.transform)
            {
                nodes.Add(waypointTransform[i]);
            }
        }

        FL = FindOBJ.findit(TargetCar, "FL").GetComponent <WheelCollider>();
        FR = FindOBJ.findit(TargetCar, "FR").GetComponent <WheelCollider>();
        BL = FindOBJ.findit(TargetCar, "BL").GetComponent <WheelCollider>();
        BR = FindOBJ.findit(TargetCar, "BR").GetComponent <WheelCollider>();

        TireFR = FindOBJ.findit(TargetCar, "fr_wheel").GetComponent <Transform>();
        TireFL = FindOBJ.findit(TargetCar, "fl_wheel").GetComponent <Transform>();
    }