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ExCCameraFlight.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 
00021  *
00022  */
00023 
00024 #include "ExCCameraFlight.h"
00025 
00026 
00027 ExCCameraFlight::ExCCameraFlight()
00028 {
00029 Guard(ExCCameraFlight::ExCCameraFlight())
00030         SetName("ExCCameraFlight");
00031         SetType(typeid(this).name());
00032 UnGuard
00033 }
00034 
00035 ExCCameraFlight::~ExCCameraFlight()
00036 {
00037 Guard(ExCCameraFlight::~ExCCameraFlight())
00038         
00039 UnGuard
00040 }
00041 
00042 void ExCCameraFlight::Draw(void)
00043 {
00044 Guard(ExCCameraFlight::Draw(void))
00045         Process();
00046         if(m_Angle.GetX()<0)m_Angle.SetX(359);
00047         if(m_Angle.GetX()>359)m_Angle.SetX(0);
00048         if(m_Angle.GetY()<0)m_Angle.SetY(359);
00049         if(m_Angle.GetY()>359)m_Angle.SetY(0);
00050         if(m_Angle.GetZ()<0)m_Angle.SetZ(359);
00051         if(m_Angle.GetZ()>359)m_Angle.SetZ(0);
00052 
00053         //315/45
00054         if(m_Angle.GetZ()>45&&m_Angle.GetZ()<180)m_Angle.SetZ(45);
00055         if(m_Angle.GetZ()>180&&m_Angle.GetZ()<315)m_Angle.SetZ(315);
00056         
00057         float cosY,cosP,cosR;
00058         float sinY,sinP,sinR;
00059 
00060         cosY=cosf(DegreesToRadians(m_Angle.GetY()));
00061         cosP=cosf(DegreesToRadians(m_Angle.GetX()));
00062         cosR=cosf(DegreesToRadians(m_Angle.GetZ()));
00063 
00064         sinY=sinf(DegreesToRadians(m_Angle.GetY()));
00065         sinP=sinf(DegreesToRadians(m_Angle.GetX()));
00066         sinR=sinf(DegreesToRadians(m_Angle.GetZ()));    
00067 
00068         fwd.SetX(sinY*cosP);
00069         fwd.SetY(sinP);
00070         fwd.SetZ(cosP*-cosY);
00071 
00072         m_Target=fwd+m_Position;
00073 
00074 
00075         m_Up.SetX((-cosY*sinR)-(sinY*sinP*cosR));
00076         m_Up.SetY(cosP*cosR);
00077         m_Up.SetZ((-sinY*sinR)-(sinP*cosR*-cosY));
00078 
00079         gluLookAt(m_Position.GetX(),m_Position.GetY(),m_Position.GetZ()
00080                 ,m_Target.GetX(),m_Target.GetY(),m_Target.GetZ()
00081                 ,m_Up.GetX(),m_Up.GetY(),m_Up.GetZ());
00082 
00083         m_Position=m_Position+((m_Target-m_Position)*m_speed);
00084         //DrawCameraInfo();
00085 UnGuard
00086 }
00087 
00088 void ExCCameraFlight::Process(void)
00089 {
00090 Guard(void ExCCameraFlight::Process(void))
00091         bool    rotate=false;
00092         for(unsigned i=0;i<m_VecAction.size();i++)
00093         {
00094                 switch(m_VecAction.at(i)) 
00095                 {
00096                 case ROTATE_Z_UP:;break;
00097                 case ROTATE_Y_UP:m_Angle.IncY();m_Angle.DecZ();rotate=true;break;
00098                 case ROTATE_X_UP:m_Angle.IncX();break;
00099                 case ROTATE_Z_DOWN:break;
00100                 case ROTATE_Y_DOWN:m_Angle.DecY();m_Angle.IncZ();rotate=true;break;
00101                 case ROTATE_X_DOWN:m_Angle.DecX();break;
00102                 case ZOOM_UP:ZoomOut();break;
00103                 case ZOOM_DOWN:ZoomIn();break;
00104                 case SPEED_UP:break;
00105                 case SPEED_DOWN:break;
00106                 }
00107         }
00108         //nothing happen angle z go to zero
00109         if(!rotate)
00110         {
00111                 if (m_Angle.GetZ()>0&&m_Angle.GetZ()<180&&m_Angle.GetZ()!=0) {m_Angle.DecZ();}
00112                 if (m_Angle.GetZ()>180&&m_Angle.GetZ()<359&&m_Angle.GetZ()!=0) {m_Angle.IncZ();}
00113         }
00114 UnGuard
00115 }

Généré le Tue Oct 28 12:43:30 2003 pour ExNihilo par doxygen 1.3.4