using UnityEngine;
using System.Collections;
using CnControls;

public class controller : MonoBehaviour {

    public float speedForce = 5f;
    float torqueForce = -100f;
    public float driftFactor = 0.98f;



    void Start () {

    }


    void Update () {
        Rigidbody2D rb = GetComponent<Rigidbody2D> ();
        rb.velocity = ForwardVelocity () + RightVeLocity () * driftFactor;
        rb.AddForce ( transform.up * speedForce );


    }

    void FixedUpdate () {
        Rigidbody2D rb = GetComponent<Rigidbody2D> ();
        rb.velocity = ForwardVelocity () + RightVeLocity () * driftFactor;

        rb.angularVelocity = CnInputManager.GetAxis ("Horizontal") * torqueForce;
    }

    Vector2 ForwardVelocity () {
        return transform.up * Vector2.Dot( GetComponent<Rigidbody2D>().velocity, transform.up );

    }

        Vector2 RightVeLocity () {
            return transform.right * Vector2.Dot( GetComponent<Rigidbody2D>().velocity, transform.right );

    }
    private void OnTriggerStay2D (Collider2D col) {
        if (col.tag == "ice") {
            driftFactor = 1f;
        }

    }
        private void OnTriggerExit2D (Collider2D col) {
        if (col.tag == "ice") {
            driftFactor = 0.98f;
            }


            }
        }