Method move

src/main/java/mudmap2/backend/prquadtree/Quadtree.java:145–152

Moves an element @param xOld previous x coordinate @param yOld previous y coordinate @param xNew new x coordinate @param yNew new y coordinate @throws Exception Throws an exception, if the element couldn'T be moved

(int xOld, int yOld, int xNew, int yNew)

     * @throws Exception Throws an exception, if the element couldn'T be moved
     */
    public void move(int xOld, int yOld, int xNew, int yNew) throws Exception {
        if(root == null){
            throw new Exception("Couldn't move element, quadtree is empty");
        }
        T obj = get(xOld, yOld);
        remove(xOld, yOld);
        insert(obj, xNew, yNew);
    }

    /**
     * Gets the data of all elements