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/* 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;
int getIntersectionParam(const Ray &ray, float *param1, float *param2);
int getIntersectionPoints(const Ray &ray, segl::Punkt3D *a, segl::Punkt3D *b);
bool inSphere(Punkt3D p) const;
Punkt3D getPos() const;
};
class Ray {
public:
Punkt3D pos;
Punkt3D dir;
Ray();
Ray(const Punkt3D &_pos, const Punkt3D &_dir);
void set(const Punkt3D &_pos, const Punkt3D &_dir);
void setFromPoints(const Punkt3D &a, const Punkt3D &b);
Punkt3D get(float x) const;
bool onRay(Punkt3D p, int rnd=-1) const;
float dist(Punkt3D p) const;
float getParam(Punkt3D p, bool onray=false) const;
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;
bool onPlane(const Punkt3D &p) const;
bool getIntersectionPoint(const Ray &r, Punkt3D *p) const;
float dist(Punkt3D p) const;
};
} // namespace segl
#endif