using UnityEngine;
using System.Collections;
using UnityEngine.UI;

public class ChaChe : MonoBehaviour
{
    public Transform VrTrans, VrCamTrans,DriverPosTrans,ControlTrans;
    public int StepValue;
    public float Rot;
    //开车参数
    float CarSpeed, SetSpeed;
    //轮子
    public Transform WheelTrans_1, WheelTrans_2, WheelTrans_3, WheelTrans_4;
    //
    public Text DebugText;
    Vector3 V3_Inner;
    public AudioSource Aud_Run;
    void Start()
    {
        
    }
    public void StartSetControl()
    {
        Invoke("SetControl", 1.5f);
    }
    public void SetControl()
    {
        VrTrans.parent = transform;
        Debug.Log("前"+VrTrans.position.ToString());
        V3_Inner = VrCamTrans.position - VrTrans.position;//内部位置差
        Debug.Log(V3_Inner.ToString());
        VrTrans.position = DriverPosTrans.position - V3_Inner;
    }
    public Transform YY_XiaoBi_In, YY_XiaoBi_Out;//液压及外套
    void Update()
    {
        //液压缸朝向
        YY_XiaoBi_In.LookAt(YY_XiaoBi_Out);
        YY_XiaoBi_Out.LookAt(YY_XiaoBi_In);
        Drive();
    }
    void Drive()
    {
        //档位基本速度
        switch (StepValue)
        {
            case -1: //倒挡
                CarSpeed = -30;
                if (!Aud_Run.isPlaying)
                    Aud_Run.Play();
                break;
            case 0: //空挡
                CarSpeed = 0;
                if (Aud_Run.isPlaying)
                    Aud_Run.Stop();
                break;
            case 1://1档
                CarSpeed = 30;
                if (!Aud_Run.isPlaying)
                    Aud_Run.Play();
                break;
        }
        //行进
        SetSpeed = Mathf.Lerp(SetSpeed, CarSpeed, 0.3f);
        //Rot = MapCon .value- 0.5f;
        DebugText.text ="角度" + Rot.ToString();
        if (SetSpeed != 0)
        {
            transform.Translate(0, 0, SetSpeed * 0.0001f, Space.Self);
            transform.Rotate(Vector3.up, Rot * 0.5f, Space.Self);
            WheelTrans_1.Rotate(Vector3.left, SetSpeed * 0.01f);
            WheelTrans_2.Rotate(Vector3.left, SetSpeed * 0.01f);
            WheelTrans_3.Rotate(Vector3.left, SetSpeed * 0.01f);
            WheelTrans_4.Rotate(Vector3.left, SetSpeed * 0.01f);
        }
    }
}