private Vector3 CalculateArcPoint(float t, float x, float amountDistance, float velocity)
    {
        float s = t * x * amountDistance;

        savefiletodisk.writeFileToDisc(s.ToString());
        float y = s * Mathf.Tan(radianAngle) - ((g * s * s) /
                                                (2 * velocity * velocity * Mathf.Cos(radianAngle) * Mathf.Cos(radianAngle)));

        // savefiletodisk.writeFileToDisc(y.ToString());
        return(new Vector3(0, y, s));
    }