public void accelerate(){
        double acceleration = .1;
        if(xVel<0)
            xVel-=acceleration;
        if(xVel>0)
            xVel+=acceleration;
        if(yVel<0)
            yVel-=acceleration;
        if(yVel>0)
            yVel+=acceleration;
        System.out.println(xVel + " " + yVel);
        
    }