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# ExCCameraFirst.cpp

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    00001 /*
    00002  * ExNihilo 3D Engine
    00003  *
    00004  *  This program is free software; you can redistribute it and/or modify
    00005  *  it under the terms of the GNU General Public License as published by
    00006  *  the Free Software Foundation; either version 2 of the License, or
    00007  *  (at your option) any later version.
    00008  *
    00009  *  This program is distributed in the hope that it will be useful,
    00010  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
    00011  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    00012  *  GNU Library General Public License for more details.
    00013  *
    00014  *  You should have received a copy of the GNU General Public License
    00015  *  along with this program; if not, write to the Free Software
    00016  *  Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
    00017  *
    00018  * Please read AUTHORS file !!!
    00019  *
    00020  * $Id: ExCCameraFirst.cpp,v 1.4 2002/08/14 15:20:53 data Exp $
    00021  *
    00022  */
    00023
    00024 #include "ExCCameraFirst.h"
    00025
    00026
    00027 ExCCameraFirst::ExCCameraFirst()
    00028 {
    00029 Guard(ExCCameraFirst::ExCCameraFirst())
    00030         SetName("ExCCameraFirst");
    00031         SetType(typeid(this).name());
    00032         WalkFalg=true;
    00033 UnGuard
    00034 }
    00035
    00036 ExCCameraFirst::~ExCCameraFirst()
    00037 {
    00038 Guard(ExCCameraFirst::~ExCCameraFirst())
    00039 UnGuard
    00040 }
    00041
    00042 void ExCCameraFirst::Draw(void)
    00043 {
    00044 Guard(void ExCCameraFirst::Draw(void))
    00045         //Test if there is one object
    00046         if(ManagerModel->GetCurrentObject()>0)
    00047         {
    00048                 m_Position=ManagerModel->GetCurrentObject()->GetPosition();
    00049                 m_Target=ManagerModel->GetCurrentObject()->GetTarget();
    00050         }else //Transform the cam into free cam
    00051         {
    00052                 ExCCamera::Draw();
    00053                 return;
    00054         }
    00055         Process();
    00056
    00057         if(m_Angle.GetX()<0)m_Angle.SetX(359);
    00058         if(m_Angle.GetX()>359)m_Angle.SetX(0);
    00059         if(m_Angle.GetY()<0)m_Angle.SetY(359);
    00060         if(m_Angle.GetY()>359)m_Angle.SetY(0);
    00061         if(m_Angle.GetZ()<0)m_Angle.SetZ(359);
    00062         if(m_Angle.GetZ()>359)m_Angle.SetZ(0);
    00063
    00064         float cosY,cosP,cosR;
    00065         float sinY,sinP,sinR;
    00066
    00067         cosY=cosf(DegreesToRadians(GetAngleY()));
    00068         cosP=cosf(DegreesToRadians(GetAngleX()));
    00069         cosR=cosf(DegreesToRadians(GetAngleZ()));
    00070
    00071         sinY=sinf(DegreesToRadians(GetAngleY()));
    00072         sinP=sinf(DegreesToRadians(GetAngleX()));
    00073         sinR=sinf(DegreesToRadians(GetAngleZ()));
    00074
    00075         m_Position.SetY(m_Position.GetY()+12.0f);
    00076         m_Target.SetY(m_Target.GetY()+12.0f);
    00077
    00078         gluLookAt(m_Position.GetX(),m_Position.GetY(),m_Position.GetZ()
    00079                         ,m_Target.GetX(),m_Target.GetY(),m_Target.GetZ()
    00080                         ,(-cosY*sinR)-(sinY*sinP*cosR),(cosP*cosR),(-sinY*sinR)-(sinP*cosR*-cosY));
    00081 UnGuard
    00082 }
    00083
    00084 void ExCCameraFirst::Process(void)
    00085 {
    00086 Guard(void ExCCameraFirst::Process(void))
    00087         for(unsigned i=0;i<m_VecAction.size();i++)
    00088         {
    00089                 /*switch(m_VecAction.at(i))
    00090                 {
    00091                 default:ExCCamera::Process();
    00092                 }*/
    00093                 ExCCamera::Process();
    00094         }
    00095 UnGuard
    00096 }