std::list<std::function<MatrixFr(const MatrixFr&)> > get_tiling_operators(
const VectorF& ref_pt,
const VectorF& cell_size,
const std::vector<VectorI>& indices) {
std::list<std::function<MatrixFr(const MatrixFr&)> > operators;
for (auto index : indices) {
VectorF cur_pt = cell_size.cwiseProduct(index.cast<Float>());
VectorF offset = cur_pt - ref_pt;
operators.push_back(
[=] (const MatrixFr& vertices) {
MatrixFr result(vertices);
result.rowwise() += offset.transpose();
return result;
});
}
return operators;
}
