public void updateBottom(){
        if(bottom > 0){
            for(int i=0; i<width+left-right; i++){
                for(int j=originalHeight; j<originalHeight+bottom; j++){
                    drawDiamond(i, j);
                }
            }
        }
        else if (bottom < 0){
            for(int i=0; i<width+left-right; i++){
                for(int j=originalHeight-1; j>originalHeight+bottom-1; j--){
                    drawDiamond(i, j);
                }
            }
        }
    }