AxisAlignedBox3.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 kvadru ve 3D, ktery je rovnobezny s osami (AABB = axis-aligned bounding box)
- **************************************************************************************************/
- template<typename T>
- class AxisAlignedBox3
- {
- public:
- Vec3<T> min, max;
- AxisAlignedBox3() {}
- AxisAlignedBox3(const Vec3<T> &Min, const Vec3<T> &Max): min(Min), max(Max) {}
- Vec3<T> GetCenter() const { return Vec3<T>::Center(min, max); }
- Vec3<T> GetExtents() const { return (max - min) * T(0.5); }
- RUNEMATH_API void GetVertices(Vec3<T> *vertices) const;
- RUNEMATH_API void SetCenterAndExtents(const Vec3<T> ¢er, const Vec3<T> &extents);
- RUNEMATH_API void Approximate(const Vec3<T> *vertices, int count);
- RUNEMATH_API void Approximate(const AxisAlignedBox3 *boxes, int count);
- };
- typedef AxisAlignedBox3<float> AxisAlignedBox3f;
- typedef AxisAlignedBox3<double> AxisAlignedBox3d;
- }