選択できるのは25トピックまでです。 トピックは、先頭が英数字で、英数字とダッシュ('-')を使用した35文字以内のものにしてください。

108 行
2.5 KiB

/* libsegl - Sebas Extended GL Library
* Collection of Opengl/3D-Math helpers
*
* Copyright (c) 2008 by Sebastian Lohff, seba@seba-geek.de
* http://www.seba-geek.de
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library 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
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#ifndef __GEOTYPES_H
#define __GEOTYPES_H
#include "punkt3d.h"
namespace segl {
class Ray;
class Box;
class Plane;
class Sphere {
public:
Punkt3D pos;
float radius;
Sphere(Punkt3D _pos, float radius);
Sphere();
void set(Punkt3D _pos, float _radius);
bool collision(const Sphere &s) const;
bool collision(const Ray &r) const;
bool collision(const Box & b) const;
bool collision(const Plane &p) const;
bool inSphere(Punkt3D p) const;
Punkt3D getPos() const;
};
class Ray {
public:
Punkt3D pos;
Punkt3D dir;
Ray();
Ray(Punkt3D _pos, Punkt3D _dir);
void set(Punkt3D _pos, Punkt3D _dir);
Punkt3D get(float x);
bool onRay(Punkt3D p, int rnd=-1);
float dist(Punkt3D p);
float getParam(Punkt3D p, bool onray=false);
bool collision(const Sphere &s) const;
bool collision(const Ray &r) const;
bool collision(const Box & b) const;
bool collision(const Plane &p) const;
};
class Box {
public:
Punkt3D min;
Punkt3D max;
Box();
Box(Punkt3D _min, Punkt3D _max);
bool collision(const Sphere &s) const;
bool collision(const Ray &r) const;
bool collision(const Box & b) const;
bool collision(const Plane &p) const;
};
class Plane {
public:
Punkt3D pos;
Punkt3D norm;
Plane();
Plane(Punkt3D _pos, Punkt3D _norm);
Plane(float x, float y, float z, float a);
bool collision(const Sphere &s) const;
bool collision(const Ray &r) const;
bool collision(const Box & b) const;
bool collision(const Plane &p) const;
float dist(Punkt3D p) const;
};
} // namespace segl
#endif