private void moveWormAndEatBacteriaIfAble(Worm thisWorm, int newX, int newY) {
        if (Level[newX][newY] != null && Level[newX][newY].is(Bacteria.class)) {
            Bacteria thisBact = (Bacteria) Level[newX][newY];
            thisWorm.eatBacteria(thisBact.getEaten());
        }
        Level[newX][newY] = thisWorm;
        if (!thisWorm.looseWeight()) {
            Level[newX][newY] = null;
        }
    }