rect Intersection(const rect &a, const rect &b)
{
	int xmax = Maximum(a.x, b.x);
    int ymax = Maximum(a.y, b.y);
    int xmin = Minimum(a.x + a.w, b.x + b.w);
    int ymin = Minimum(a.y + a.h, b.y + b.h);
     
    int width = xmin - xmax;
    int height = ymin - ymax;
     
    if(width > 0 && height > 0)
    {
        rect intersect = {xmax, ymax, width, height};
        return intersect;
    }
    else
    {
        rect intersect = {0, 0, 0, 0};
        return intersect;
    }
}