Method get_items_near_point

src/Misc/HashGrid.h:63–65

        }

        virtual VectorI get_items_near_point(const VectorF& coordinate) {
            throw NotImplementedError("hashgrid::get_items_near_point is not implemented");
        }
        //virtual VectorI get_items_within_radius(const VectorF& coordinate, Float radius)=0;
        virtual MatrixFr get_occupied_cell_centers() const {
            throw NotImplementedError("hashgrid::get_occupied_cell_centers is not implemented");