private void handleCollision(BallModel ball) {
    	int close = 3;
        if (ball.getCenterPosX() - ball.getDiameter() > pos.getX() && ball.getPosX() > pos.getX() + blockWidth + close) 
        {
        	ball.setPosX(pos.getX() + blockWidth);
        	ball.invertVelX();
        }
        if(	ball.getPosY() > pos.getY() && ball.getPosY() < pos.getY() + blockHeight) {
        	ball.setPosY(pos.getY() + blockHeight);
        	ball.invertVelY();
        }
    }