void Start()
    {
        gameOverCanvas = GameObject.Find ("GameOverCanvas");
        canvas = GameObject.Find("Canvas");
        Sounds = GameObject.Find ("Sounds").GetComponent<AthleticsSounds>();

        gameOverCanvas.SetActive(false);
    }
    void Start()
    {
        velocidade = 0.25f;
        pronto = false;
        começa = false;
        termina = false;
        esquerda = true;
        direita = false;
        transformavelocidade = false;
        tempocomeça = 3;
        x = referencia.position.x;
        x1 = referencia2.position.x;
        startButton = GameObject.Find ("Start");
        waitButton = GameObject.Find ("Wait");
        start = false;
        n = 0.5f;
        m = 0.0075f;
        fim = false;

        Sounds = GameObject.Find ("Sounds").GetComponent<AthleticsSounds>();
    }