scummvm/math/frustum.h
2023-05-06 16:47:50 +09:00

47 lines
1.3 KiB
C++

/* ScummVM - Graphic Adventure Engine
*
* ScummVM is the legal property of its developers, whose names
* are too numerous to list here. Please refer to the COPYRIGHT
* file distributed with this source distribution.
*
* 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 3 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, see <http://www.gnu.org/licenses/>.
*
*/
#ifndef MATH_FRUSTUM_H
#define MATH_FRUSTUM_H
#include "math/matrix4.h"
#include "math/plane.h"
#include "math/aabb.h"
namespace Math {
/* A volume defined by 6 planes */
class Frustum {
public:
Frustum();
void setup(const Math::Matrix4 &matrix);
bool isInside(const Math::AABB &aabb) const;
bool isTriangleInside(const Math::Vector3d &v0, const Math::Vector3d &v1, const Math::Vector3d &v2) const;
private:
Math::Plane _planes[6];
};
} // end of namespace Math
#endif