Stellarium  0.90.0
Plane.hpp
1 /*
2  * Stellarium Scenery3d Plug-in
3  *
4  * Copyright (C) 2011 Simon Parzer, Peter Neubauer, Georg Zotti, Andrei Borza
5  *
6  * This program is free software; you can redistribute it and/or
7  * modify it under the terms of the GNU General Public License
8  * as published by the Free Software Foundation; either version 2
9  * of the License, or (at your option) any later version.
10  *
11  * This program is distributed in the hope that it will be useful,
12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14  * GNU General Public License for more details.
15  *
16  * You should have received a copy of the GNU General Public License
17  * along with this program; if not, write to the Free Software
18  * Foundation, Inc., 51 Franklin Street, Suite 500, Boston, MA 02110-1335, USA.
19  */
20 
21 #ifndef _PLANE_HPP_
22 #define _PLANE_HPP_
23 
24 #include "GeomMath.hpp"
25 #include "SPolygon.hpp"
26 
27 class Plane
28 {
29 public:
30  Plane();
31  Plane(Vec3f &v1, Vec3f &v2, Vec3f &v3);
32  Plane(const Vec4f &e);
33  Plane(const Vec3f &v1, const Vec3f &v2, const Vec3f &v3, SPolygon::Order o);
34  ~Plane();
35 
36  Vec3f normal, sNormal;
37  Vec3f p, sP;
38  float distance, sDistance;
39 
40  void setPoints(const Vec3f &v1, const Vec3f &v2, const Vec3f &v3, SPolygon::Order o = SPolygon::CCW);
41  float calcDistance(const Vec3f p) const;
42  bool isBehind(const Vec3f& p) const;
43  void saveValues();
44  void resetValues();
45 
46  bool intersect(const Line &l, float &val) const;
47 };
48 
49 #endif
A simple line class, identified by a point and a direction vector.
Definition: GeomMath.hpp:99
Definition: Plane.hpp:27
This header contains useful classes for common geometric operations that are useful for 3D rendering...