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_LIGHT_H 00024 #define LSG_LIGHT_H 1 00025 00026 /** 00027 * \file light.h 00028 * \brief Directional or point light source 00029 */ 00030 00031 #include <lescegra/sg/node.h> 00032 00033 #include <lescegra/util/vertex.h> 00034 00035 /** 00036 * \ingroup scene 00037 * \brief Directional or point light source 00038 * 00039 * A Light source defining a location and a color. 00040 */ 00041 typedef struct { 00042 LsgNode super; 00043 int num; 00044 float color[4]; 00045 float location[4]; 00046 } LsgLight; 00047 00048 LsgLight* LsgLight_create(int num); 00049 void LsgLight_init(LsgLight* self, int num); 00050 void LsgLight_display(LsgLight* self, LsgFrustum* frust); 00051 00052 void LsgLight_enable(LsgLight* self); 00053 void LsgLight_disable(LsgLight* self); 00054 00055 #define LsgLight_update(self, now) LsgNode_update(&(self)->super, now) 00056 #define LsgLight_clean(self) LsgNode_clean(&(self)->super) 00057 #define LsgLight_destroy(self) LsgNode_destroy(&(self)->super) 00058 00059 #endif