// This file is part of Eigen, a lightweight C++ template library
// for linear algebra.
//
// Copyright (C) 2008 Gael Guennebaud <gael.guennebaud@inria.fr>
//
// 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 EIGEN_ICOSPHERE_H
#define EIGEN_ICOSPHERE_H

#include <Eigen/Core>
#include <vector>

class IcoSphere {
 public:
  IcoSphere(unsigned int levels = 1);
  const std::vector<Eigen::Vector3f>& vertices() const { return mVertices; }
  const std::vector<int>& indices(int level) const;
  void draw(int level);

 protected:
  void _subdivide();
  std::vector<Eigen::Vector3f> mVertices;
  std::vector<std::vector<int>*> mIndices;
  std::vector<int> mListIds;
};

#endif  // EIGEN_ICOSPHERE_H