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supertuxkart  0.5+dfsg1
terrain_info.hpp
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00001 //  $Id: terrain_info.hpp 1284 2007-11-08 12:31:54Z hikerstk $
00002 //
00003 //  SuperTuxKart - a fun racing game with go-kart
00004 //  Copyright (C) 2007 Joerg Henrichs
00005 //
00006 //  This program is free software; you can redistribute it and/or
00007 //  modify it under the terms of the GNU General Public License
00008 //  as published by the Free Software Foundation; either version 2
00009 //  of the License, or (at your option) any later version.
00010 //
00011 //  This program is distributed in the hope that it will be useful,
00012 //  but WITHOUT ANY WARRANTY; without even the implied warranty of
00013 //  MERCHANTe ABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00014 //  GNU General Public License for more details.
00015 //
00016 //  You should have received a copy of the GNU General Public License
00017 //  along with this program; if not, write to the Free Software
00018 //  Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
00019 
00020 #ifndef HEADER_TERRAIN_INFO_H
00021 #define HEADER_TERRAIN_INFO_H
00022 
00023 #include "btBulletDynamicsCommon.h"
00024 #include "material.hpp"
00025 
00029 class TerrainInfo
00030 {
00031 private:
00032     int               m_HoT_frequency;      // how often hight of terrain is computed
00033     int               m_HoT_counter;        // compute HAT only every N timesteps
00034     btVector3         m_normal;             // normal of the triangle under the object
00035     const Material   *m_material;           // material of the triangle under the object
00036     float             m_HoT;                // height of terrain
00037 
00038 public:
00039                      TerrainInfo(int frequency=1) {m_HoT_frequency=frequency;
00040                                                    m_HoT_counter=frequency;  }
00041                      TerrainInfo(const btVector3 &pos, int frequency=1);
00042     virtual         ~TerrainInfo() {};
00043     virtual void     update(const btVector3 &pos);
00044     float            getHoT()      const { return m_HoT;      }
00045     const Material*  getMaterial() const { return m_material; }
00046     const btVector3& getNormal()   const { return m_normal;   }
00047     float            getTerrainPitch(float heading) const;
00048 
00049 };   // TerrainInfo
00050 
00051 #endif