@Override
    public void update(double extrp)
    {
        force.addDirection(extrp, 0.0, -gravity * (desiredFps / (double) Constant.ONE_SECOND_IN_MILLI) * extrp);
    }
@ Override public void update ( double extrp ) { force . addDirection ( extrp , 0.0 , - gravity * ( desiredFps / ( double ) Constant . ONE_SECOND_IN_MILLI ) * extrp ) ; }
/*
Body