public void test(){
        rectangles = optimiseHorizon();
        //rectangles = convert(tiles);
        rectangles = optimiseVertical(rectangles);
    }

    public ArrayList<Rectangle> optimiseHorizon(){
        ArrayList<Rectangle> b = convert(tiles);
        int counter = 0;
        while(counter<b.size()-1){
            Rectangle r = b.get(counter);
            Rectangle r2= b.get(counter+1);
            int first = r.x + r.width;
            if(first == r2.x && r.height == r2.height){
                b.set(counter, addRectWidth(r,r2));
                b.remove(r2);
            } else {
                counter++;
            }
        }
        return b;
    }

    public ArrayList<Rectangle> optimiseVertical(ArrayList<Rectangle> b){
        int count = 0;
        int count2 = count+1;
        while(count<b.size()){
            Rectangle r = b.get(count);
            Rectangle r2= b.get(count2);
            System.out.format("Checking %s with %s\nb.size(): %s\n", count, count2, b.size());
            if(r.y + r.height == r2.y && r.width == r2.width && r.x == r2.x){
                b.set(count, addRectHeight(r,r2));
                b.remove(count2);
            } else if(count<b.size()&&count2+1<b.size()){
                count2++;
            }
            if(count2+1>=b.size()){
                count++;
                count2=count+1;
            }
            if(count2>=b.size())
                break;
        }
        return b;
    }

    public Rectangle addRectWidth(Rectangle r, Rectangle r2){
        return new Rectangle(r.x,
                r.y,
                r.width + r2.width,
                r.height);
    }
    public Rectangle addRectHeight(Rectangle r, Rectangle r2){
        return new Rectangle(r.x,
                r.y,
                r.width,
                r.height + r2.height);
    }