TP_Motor.cs

using UnityEngine;
using System.Collections;

public class TP_Motor : MonoBehaviour {

    public static TP_Motor Instance;

    public float MoveSpeed = 10f;

    public Vector3 MoveVector { get; set; }



    // Use this for initialization
    void Awake ()
    {
        Instance = this;
    }

    // Update is called once per frame
    public void UpdateMotor()
    {
        SnapAlignCharacterWithCamera ();
        ProcessMotion ();
    }

    void ProcessMotion()
    {
        // Transform MoveVector to World Space
        MoveVector = transform.TransformDirection (MoveVector);

        // Normalize MoveVector if Magnitude > 1
        if (MoveVector.magnitude > 1)
            MoveVector = Vector3.Normalize (MoveVector);

        // Multiply MoveVector by MoveSpeed
        MoveVector *= MoveSpeed;

        // Multiply MoveVector by DeltaTime
        MoveVector *= Time.deltaTime;

        // Move the Character in World Space
        TP_Controller.CharacterController.Move (MoveVector);
    }

    void SnapAlignCharacterWithCamera()
    {
        if (MoveVector.x != 0 || MoveVector.z != 0)
        {
            transform.rotation = Quaternion.Euler(transform.eulerAngles.x,Camera.mainCamera.transform.eulerAngles.y,transform.eulerAngles.z);
        }
    }

}