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ExCCamera.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: ExCCamera.cpp,v 1.12 2002/11/24 11:59:00 data Exp $
00021  *
00022  */
00023 
00024 #include "ExCCamera.h"
00025 
00026 
00027 ExCCamera::ExCCamera(void)
00028 {
00029 Guard(ExCCamera::ExCCamera(void))
00030         m_AngleX=0;
00031         m_AngleY=0;
00032         m_AngleZ=0;
00033         m_speed=0;
00034         m_ZoomDefault=40;
00035         m_Zoom=m_ZoomDefault;
00036         m_ZoomMin=1;
00037         m_ZoomMax=100;
00038         m_ClipFar=100000000;
00039         m_ClipNear=1;
00040         SetName("ExCCamera");
00041         SetType(typeid(this).name());
00042 UnGuard
00043 }
00044 
00045 ExCCamera::~ExCCamera(void)
00046 {
00047 Guard(ExCCamera::~ExCCamera(void))
00048 UnGuard
00049 }
00050 
00051 void ExCCamera::Draw(void)
00052 {
00053 Guard(ExCCamera::Draw(void))
00054 //cout<<"Draw "<<m_ObjectName<<" ID:"<<m_ObjectId<<endl;
00055         Process();
00056 
00057         if(m_AngleX<0)m_AngleX=359;
00058         if(m_AngleX>359)m_AngleX=0;
00059         if(m_AngleY<0)m_AngleY=359;
00060         if(m_AngleY>359)m_AngleY=0;
00061         if(m_AngleZ<0)m_AngleZ=359;
00062         if(m_AngleZ>359)m_AngleZ=0;
00063 
00064         float cosY,cosP,cosR;
00065         float sinY,sinP,sinR;
00066 
00067         cosY=cosf(DegreesToRadians(m_AngleY));
00068         cosP=cosf(DegreesToRadians(m_AngleX));
00069         cosR=cosf(DegreesToRadians(m_AngleZ));
00070 
00071         sinY=sinf(DegreesToRadians(m_AngleY));
00072         sinP=sinf(DegreesToRadians(m_AngleX));
00073         sinR=sinf(DegreesToRadians(m_AngleZ));  
00074 
00075         ExCVec3D fwd,side;
00076 
00077         fwd.SetX(sinY*cosP);
00078         fwd.SetY(sinP);
00079         fwd.SetZ(cosP*-cosY);
00080 
00081         m_Target=fwd+m_Position;
00082         
00083 
00084         m_Up.SetX((-cosY*sinR)-(sinY*sinP*cosR));
00085         m_Up.SetY(cosP*cosR);
00086         m_Up.SetZ((-sinY*sinR)-(sinP*cosR*-cosY));
00087 
00088    /*   char buff[255];
00089         memset(buff,0,255);
00090         sprintf(buff,"Camera position X:%f Y:%f Z:%f",m_Position.GetX(),m_Position.GetY(),m_Position.GetZ());
00091         ExNihilo::WriteToScreen(30,540,buff);
00092         memset(buff,0,255);
00093         sprintf(buff,"Camera fwd X:%f Y:%f Z:%f",fwd.GetX(),fwd.GetY(),fwd.GetZ());
00094         ExNihilo::WriteToScreen(30,560,buff);
00095         memset(buff,0,255);
00096         sprintf(buff,"Camera target X:%f Y:%f Z:%f",m_Target.GetX(),m_Target.GetY(),m_Target.GetZ());
00097         ExNihilo::WriteToScreen(30,580,buff);
00098         memset(buff,0,255);
00099         sprintf(buff,"Camera angle X:%f Y:%f Z:%f",m_AngleX,m_AngleY,m_AngleZ);
00100         ExNihilo::WriteToScreen(30,600,buff);
00101  */
00102         gluLookAt(m_Position.GetX(),m_Position.GetY(),m_Position.GetZ()
00103                         ,m_Target.GetX(),m_Target.GetY(),m_Target.GetZ()
00104                         ,m_Up.GetX(),m_Up.GetY(),m_Up.GetZ());
00105         
00106         m_Position=m_Position+((m_Target-m_Position)*m_speed);
00107 
00108 UnGuard
00109 }
00110 
00111 void ExCCamera::ResetZoom(void)
00112 {
00113 Guard(void ExCCamera::ResetZoom(void))
00114         m_Zoom=m_ZoomDefault;
00115 UnGuard
00116 }
00117 
00118 void ExCCamera::SetZoomDefault(float zoom)
00119 {
00120 Guard(void ExCCamera:: SetZoomDefault(float zoom))
00121         if(zoom<m_ZoomMax&&zoom>m_ZoomMin)
00122                 m_ZoomDefault=zoom;
00123 UnGuard
00124 }
00125 
00126 void ExCCamera::ZoomIn(void)
00127 {
00128 Guard(void ExCCamera::ZoomIn(void))
00129         m_Zoom--;
00130         if(m_Zoom<=m_ZoomMin)m_Zoom=m_ZoomMin+1;
00131 UnGuard
00132 }
00133 
00134 void ExCCamera::ZoomOut(void)
00135 {
00136 Guard(void ExCCamera::ZoomOut(void))
00137         m_Zoom++;
00138         if(m_Zoom>=m_ZoomMax)m_Zoom=m_ZoomMax-1;
00139 UnGuard
00140 }
00141 
00142 void ExCCamera::ZoomIn(float zoom)
00143 {
00144 Guard(void ExCCamera::ZoomIn(float zoom))
00145         m_Zoom=m_Zoom-zoom;
00146         if(m_Zoom<=m_ZoomMin)m_Zoom=m_ZoomMin+1;
00147 UnGuard
00148 }
00149 
00150 void ExCCamera::ZoomOut(float zoom)
00151 {
00152 Guard(void ExCCamera::ZoomOut(float zoom))
00153         m_Zoom=m_Zoom+m_ZoomMax;
00154         if(m_Zoom>=m_ZoomMax)m_Zoom=m_ZoomMax-1;
00155 UnGuard
00156 }
00157 
00158 void ExCCamera::SetZoom(float zoom)
00159 {
00160 Guard(void ExCCamera::SetZoom(float zoom))
00161 UnGuard
00162 }
00163 
00164 void ExCCamera::SetZoomMax(float zoom)
00165 {
00166 Guard(void ExCCamera::SetZoomMax(float zoom))
00167 UnGuard
00168 }
00169 
00170 void ExCCamera::SetZoomMin(float zoom)
00171 {
00172 Guard(void ExCCamera::SetZoomMin(float zoom))
00173 UnGuard
00174 }
00175 
00176 void ExCCamera::SetClipFar(float clip)
00177 {
00178         Guard(void ExCCamera::SetClipFar(float clip))
00179         m_ClipFar=clip;
00180         if(m_ClipFar<m_ClipNear)m_ClipFar=m_ClipNear+1;
00181 UnGuard
00182 }
00183 
00184 void ExCCamera::SetClipNear(float clip)
00185 {
00186         Guard(void ExCCamera::SetClipNear(float clip))
00187         m_ClipNear=clip;
00188         if(m_ClipNear>m_ClipFar)m_ClipNear=m_ClipFar-1;
00189 UnGuard
00190 }
00191 
00192 void ExCCamera::Process(void)
00193 {
00194 Guard(void ExCCamera::Process(void))
00195         for(unsigned i=0;i<m_VecAction.size();i++)
00196         {
00197                 switch(m_VecAction.at(i)) 
00198                 {
00199                 case ROTATE_Z_UP:m_AngleZ++;break;
00200                 case ROTATE_Y_UP:m_AngleY++;break;
00201                 case ROTATE_X_UP:m_AngleX++;break;
00202                 case ROTATE_Z_DOWN:m_AngleZ--;break;
00203                 case ROTATE_Y_DOWN:m_AngleY--;break;
00204                 case ROTATE_X_DOWN:m_AngleX--;break;
00205                 case ZOOM_UP:ZoomOut();break;
00206                 case ZOOM_DOWN:ZoomIn();break;
00207                 case SPEED_UP:break;
00208                 case SPEED_DOWN:break;
00209                 }
00210         }
00211 UnGuard
00212 }
00213 
00214 void ExCCamera::StartAction(int Action)
00215 {
00216 Guard(void ExCCamera::StartAction(int Action))
00217         m_VecAction.push_back(Action);
00218 UnGuard
00219 }
00220 
00221 void ExCCamera::StopAction(int Action)
00222 {
00223 Guard(void ExCCamera::StopAction(int Action))
00224         for(m_ItVecAction=m_VecAction.begin();m_ItVecAction!=m_VecAction.end();m_ItVecAction++)
00225         {
00226                 if(*m_ItVecAction==Action){m_VecAction.erase(m_ItVecAction);return;}
00227         }
00228 UnGuard
00229 }

Généré le Tue Dec 10 18:18:08 2002 pour ExNihilo par doxygen1.3-rc1