Sphere3.h
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上传日期:2022-04-05
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- /*
- Linear Algebra / Math library
- Copyright (C) 2003-2009, Marek Olsak (maraeo@gmail.com), All Rights Reserved.
- Copyright (C) 2003-2005, Tomas Pastorek (tomas@tomaspastorek.cz), All Rights Reserved.
- This program is free software; you can redistribute it and/or
- modify it under the terms of the GNU General Public License
- as published by the Free Software Foundation; either version 2
- of the License, or (at your option) any later version.
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
- You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software
- Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
- */
- #pragma once
- namespace Rune
- {
- /**
- Trida koule ve 3D
- **************************************************************************************************/
- template<typename T>
- class RUNEMATH_API Sphere3
- {
- public:
- Vec3<T> pos;
- T radius;
- Sphere3() {}
- Sphere3(const Vec3<T> &position, T sphereradius): pos(position), radius(sphereradius) {}
- void ApproximateBestOf3(const Vec3<T> *vertices, int count);
- void ApproximateFromAABB(const Vec3<T> *vertices, int count);
- void ApproximateFromAABB(const Sphere3<T> *spheres, int count);
- void ApproximateFromAverage(const Vec3<T> *vertices, int count);
- void ApproximateFromMostDistantVerts(const Vec3<T> *vertices, int count);
- private:
- static Vec3<T> FindAABBCenter(const Vec3<T> *vertices, int count);
- static Vec3<T> FindAverageCenter(const Vec3<T> *vertices, int count);
- static Vec3<T> FindCenterFromMostDistantVerts(const Vec3<T> *vertices, int count);
- static T CalculateRadius(const Vec3<T> ¢er, const Vec3<T> *vertices, int count);
- };
- typedef Sphere3<float> Sphere3f;
- typedef Sphere3<double> Sphere3d;
- }