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supertuxkart  0.5+dfsg1
homing.hpp
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00001 //  $Id: missile.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 //  MERCHANTABILITY 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_HOMING_H
00021 #define HEADER_HOMING_H
00022 
00023 #include "flyable.hpp"
00024 
00025 class Homing : public Flyable
00026 {
00027 private:
00028     static float m_st_max_distance;    // maximum distance for a spark to be attracted
00029     static float m_st_max_turn_angle;
00030     btVector3    m_initial_velocity;
00031     float        steerTowards(btTransform& trans, btVector3& target);
00032 
00033 public:
00034     Homing (Kart *kart);
00035     static  void init     (const lisp::Lisp* lisp, ssgEntity* homing);
00036     virtual void update   (float dt);
00037     virtual void hitTrack ()                      { explode(NULL);           }
00038     // Kinematic objects are not allowed to have a velocity (assertion in 
00039     // bullet), so we have to do our own velocity handling here
00040     virtual const btVector3 &getVelocity() const  {return m_initial_velocity;}
00041     virtual void  setVelocity(const btVector3& v) {m_initial_velocity=v;     }
00042 
00043 };   // Homing
00044 
00045 #endif