00001 /********************************************************************* 00002 * lescegra * 00003 * * 00004 * http://geeky.kicks-ass.org/projects/lescegra.html * 00005 * * 00006 * Copyright 2003 by Enno Cramer <uebergeek@web.de> * 00007 * * 00008 * This library is free software; you can redistribute it and/or * 00009 * modify it under the terms of the GNU Library General Public * 00010 * License as published by the Free Software Foundation; either * 00011 * version 2 of the License, or (at your option) any later version. * 00012 * * 00013 * This library is distributed in the hope that it will be useful, * 00014 * but WITHOUT ANY WARRANTY; without even the implied warranty of * 00015 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * 00016 * Library General Public License for more details. * 00017 * * 00018 * You should have received a copy of the GNU Library General Public * 00019 * License along with this library; if not, write to the Free * 00020 * Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. * 00021 *********************************************************************/ 00022 00023 #ifndef LSG_CAMERA_H 00024 #define LSG_CAMERA_H 1 00025 00026 /** 00027 * \file camera.h 00028 * \brief Abstract camera interface 00029 */ 00030 00031 #include <lescegra/util/object.h> 00032 00033 #include <lescegra/sg/node.h> 00034 #include <lescegra/util/frustum.h> 00035 00036 typedef struct LsgCamera LsgCamera; 00037 00038 /** 00039 * \brief Abstract camera interface 00040 */ 00041 struct LsgCamera { 00042 LsgObject super; 00043 /** 00044 * Display a node as seen by the camera. 00045 * @param self The instance variable 00046 * @param frust The initial view frustum 00047 * @param node The node to display 00048 */ 00049 void (*display)(LsgCamera* self, LsgFrustum* frust, LsgNode* node); 00050 }; 00051 00052 /** 00053 * Constructor method for LsgCamera. Does nearly nothing. 00054 * @param self The instance variable 00055 */ 00056 void LsgCamera_init(LsgCamera* self); 00057 00058 /** 00059 * Destructor method for LsgCamera. Reuse parent implementation. 00060 * @param self The instance variable 00061 */ 00062 #define LsgCamera_destroy(self) LsgObject_destroy(&(self)->super) 00063 00064 #endif