| // This file is part of libigl, a simple c++ geometry processing library. |
| // |
| // Copyright (C) 2013 Alec Jacobson <alecjacobson@gmail.com> |
| // |
| // This Source Code Form is subject to the terms of the Mozilla Public License |
| // v. 2.0. If a copy of the MPL was not distributed with this file, You can |
| // obtain one at http://mozilla.org/MPL/2.0/. |
| #ifndef IGL_RANDOM_DIR_H |
| #define IGL_RANDOM_DIR_H |
| #include "igl_inline.h" |
| |
| #include <Eigen/Core> |
| |
| namespace igl |
| { |
| /// Generate a uniformly random unit direction in 3D, return as vector |
| /// @return random direction |
| IGL_INLINE Eigen::Vector3d random_dir(); |
| /// Generate n stratified uniformly random unit directions in 3d, return as rows |
| /// of an n by 3 matrix |
| /// |
| /// @param[in] n number of directions |
| /// @return n by 3 matrix of random directions |
| IGL_INLINE Eigen::MatrixXd random_dir_stratified(const int n); |
| } |
| |
| #ifndef IGL_STATIC_LIBRARY |
| # include "random_dir.cpp" |
| #endif |
| |
| #endif |
