initial commit

2026-10-22 09:23:54 +08:00
commit 63f557a39f
4448 changed files with 584487 additions and 0 deletions
@@ -0,0 +1,30 @@
+// 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