private void rCamWhichR()
    {
        float hDir = dir0 - dir2;
        float vDir = dir3 - dir1;
        float aDir = Mathf.Atan2(vDir, hDir) * (float)57.2957795;
        if (rotateCam) rCam(aDir, Camera.main.gameObject.transform.eulerAngles.z);
        if (Mathf.Abs(hDir) + Mathf.Abs(vDir) == 0) { arrow.SetActive(false); }
        else { arrow.SetActive(true); rArrow(aDir); }
    }

    public void rCam(float angle, float pAngle)
    {
        debug1 = Camera.main.gameObject.transform.eulerAngles.z;
        debug2 = angle - Camera.main.gameObject.transform.eulerAngles.z;
        float nAngle = Mathf.LerpAngle(angle, angle - Camera.main.gameObject.transform.eulerAngles.z, step * Time.deltaTime);
        Camera.main.gameObject.transform.Rotate(0, 0, nAngle);
    }