let width = 0.5*(A.width + B.width);
        let height = 0.5*(A.height + B.height);

        let dx = A.width/2 - B.width/2;
        let dy = A.height/2 - B.height/2;

        if(Math.abs(dx) <= width && Math.abs(dx) <= height){
            var wy = width*dy;
            var hx = height*dx;

            if(wy>hx){
                if(wy > -hx){
                    //top
                }
                else
                {
                    //left
                }
            }
            else{
                if( IdontKnow > -hx){
                    //right
                } else {
                    //botto,
                }
            }
        }