void OnBodyMotion(object sender, BodyMotionDetectedEventArgs args)
    {
        Bonus bonus = new Bonus();

        switch (args.motion)
        {
        case BodyMotion.JUMP:
            bonus = TargetsFactory.ReleaseAllBonusTargetsByType(TargetType.TopBonusTarget);
            break;

        case BodyMotion.SUPER_JUMP:
            bonus = TargetsFactory.ReleaseAllBonusTargetsByType(TargetType.BottomBonusTarget);
            break;
        }

        if (gameMode == GameMode.LimitedTime)
        {
            this.score    += bonus.Score;
            this.timeLeft += bonus.Time;
            UpdateScoreText();
        }
        else if (gameMode == GameMode.LimitedLife)
        {
            this.life += bonus.Life;
            UpdateLifesText();
        }
    }