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_COORDS_H 00024 #define LSG_COORDS_H 1 00025 00026 /** 00027 * \file coords.h 00028 * \brief Colored coordinate system 00029 */ 00030 00031 #include <lescegra/sg/node.h> 00032 00033 /** 00034 * \brief Colored coordinate system 00035 * 00036 * Display a red, green, blue colored coordinate system. 00037 */ 00038 typedef struct { 00039 LsgNode super; 00040 float size; 00041 } LsgCoords; 00042 00043 /** 00044 * Allocate and initialize a new LsgCoords. 00045 * @param size The axes length 00046 * @return A new LsgCoords instance 00047 */ 00048 LsgCoords* LsgCoords_create(float size); 00049 00050 /** 00051 * Constructor method for LsgCoords. 00052 * @param self The instance variable 00053 * @param size The axes length 00054 */ 00055 void LsgCoords_init(LsgCoords* self, float size); 00056 00057 /** 00058 * Display a coordinate system. 00059 * @param self The instance variable 00060 * @param frust The view frustum transformed to local coordinates 00061 */ 00062 void LsgCoords_display(LsgCoords* self, LsgFrustum* frust); 00063 00064 /** 00065 * Clean the node. Reuse parent implementation. 00066 */ 00067 #define LsgCoords_clean(self) LsgNode_clean(&(self)->super) 00068 00069 /** 00070 * Update the node. Reuse parent implementation. 00071 */ 00072 #define LsgCoords_update(self, now) LsgNode_update(&(self)->super, now) 00073 00074 /** 00075 * Destructor method for LsgCoords. Reuse parent implementation. 00076 */ 00077 #define LsgCoords_destroy(self) LsgNode_destroy(&(self)->super) 00078 00079 #endif