00001 /*!@file GUI/SuperQuadric.H 3D render SuperQuadric */ 00002 00003 // //////////////////////////////////////////////////////////////////// // 00004 // The iLab Neuromorphic Vision C++ Toolkit - Copyright (C) 2000-2005 // 00005 // by the University of Southern California (USC) and the iLab at USC. // 00006 // See http://iLab.usc.edu for information about this project. // 00007 // //////////////////////////////////////////////////////////////////// // 00008 // Major portions of the iLab Neuromorphic Vision Toolkit are protected // 00009 // under the U.S. patent ``Computation of Intrinsic Perceptual Saliency // 00010 // in Visual Environments, and Applications'' by Christof Koch and // 00011 // Laurent Itti, California Institute of Technology, 2001 (patent // 00012 // pending; application number 09/912,225 filed July 23, 2001; see // 00013 // http://pair.uspto.gov/cgi-bin/final/home.pl for current status). // 00014 // //////////////////////////////////////////////////////////////////// // 00015 // This file is part of the iLab Neuromorphic Vision C++ Toolkit. // 00016 // // 00017 // The iLab Neuromorphic Vision C++ Toolkit is free software; you can // 00018 // redistribute it and/or modify it under the terms of the GNU General // 00019 // Public License as published by the Free Software Foundation; either // 00020 // version 2 of the License, or (at your option) any later version. // 00021 // // 00022 // The iLab Neuromorphic Vision C++ Toolkit is distributed in the hope // 00023 // that it will be useful, but WITHOUT ANY WARRANTY; without even the // 00024 // implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR // 00025 // PURPOSE. See the GNU General Public License for more details. // 00026 // // 00027 // You should have received a copy of the GNU General Public License // 00028 // along with the iLab Neuromorphic Vision C++ Toolkit; if not, write // 00029 // to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, // 00030 // Boston, MA 02111-1307 USA. // 00031 // //////////////////////////////////////////////////////////////////// // 00032 // 00033 // Primary maintainer for this file: Lior Elazary <elazary@usc.edu> 00034 // $HeadURL: svn://isvn.usc.edu/software/invt/trunk/saliency/src/GUI/SuperQuadric.H $ 00035 // $Id: SuperQuadric.H 13070 2010-03-28 15:59:21Z lior $ 00036 // 00037 00038 #ifndef SuperQuadric_H_DEFINED 00039 #define SuperQuadric_H_DEFINED 00040 00041 #include <stdio.h> 00042 #include <string.h> 00043 #include <stdlib.h> 00044 #include <GL/gl.h> 00045 #undef APIENTRY // otherwise it gets redefined between gl.h and glut.h??? 00046 #include <GL/glut.h> 00047 00048 #include <math.h> 00049 #include <stdio.h> 00050 #include <stdlib.h> 00051 00052 //This class is derived from examples from http://www.gamedev.net/reference/articles/article1172.asp 00053 // 00054 class SuperQuadric 00055 { 00056 public: 00057 00058 SuperQuadric(); 00059 00060 ~SuperQuadric(); 00061 00062 /* sqEllipsoid(a1, a2, a3, u, v, n, e, *x, *y, *z, *nx, *ny, *nz) 00063 * 00064 * a1, a2, and a3 are the x, y, and z scaling factors, respecfully. 00065 * For proper generation of the solid, u should be >= -PI / 2 and <= PI / 2. 00066 * Similarly, v should be >= -PI and <= PI. 00067 */ 00068 void ellipsoid ( float a1, float a2, float a3, 00069 float u, float v, float n, float e, 00070 float *x, float *y, float *z, 00071 float *nx, float *ny, float *nz ); 00072 00073 /* sqToroid(a1, a2, a3, u, v, n, e, alpha, *x, *y, *z, *nx, *ny, *nz) 00074 * 00075 * a1, a2, and a3 are the x, y, and z scaling factors, respecfully. 00076 * For proper generation of the solid, u should be >= -PI and <= PI. 00077 * Similarly, v should be >= -PI and <= PI. 00078 * Also, alpha should be > 1. 00079 */ 00080 void toroid ( float a1, float a2, float a3, 00081 float u, float v, float n, float e, float alpha, 00082 float *x, float *y, float *z, 00083 float *nx, float *ny, float *nz ); 00084 00085 00086 /* sqSolidEllipsoid 00087 * 00088 * Generates a solid ellipsoid using the parameters from sq and optionally 00089 * generates texture coordinates and a display list using the ID from sq. 00090 */ 00091 void solidEllipsoid(); 00092 00093 /* sqSolidToroid ( sq, make_display_list, gen_texture_coordinates ) 00094 * 00095 * Generates a solid toroid using the parameters from sq and optionally 00096 * generates texture coordinates and a display list using the ID from sq. 00097 */ 00098 void solidToroid(); 00099 00100 /* sqEllipsoidInsideOut (x, y, z ) 00101 * 00102 * Tests to see if point P is inside the SuperQuadric sq. 00103 * Returns 1 if on the surface, > 1 if outside the surface, or 00104 * < 1 if inside the surface 00105 */ 00106 float ellipsoidInsideOut ( float x, float y, float z ); 00107 00108 /* sqToroidInsideOut ( x, y, z ) 00109 * 00110 * Tests to see if point P is inside the SuperQuadric sq. 00111 * Returns 1 if on the surface, > 1 if outside the surface, or 00112 * < 1 if inside the surface 00113 */ 00114 float toroidInsideOut (float x, float y, float z ); 00115 00116 //Some simple SuperQuadrics 00117 void solidSphere ( float radius ); 00118 void solidCylinder ( float radius ); 00119 void solidStar ( float radius ); 00120 void solidDoublePyramid ( float radius ); 00121 void solidTorus ( float radius1, float radius2 ); 00122 void solidPineappleSlice ( float radius1, float radius2 ); 00123 void solidPillow ( float radius ); 00124 void solidSquareTorus ( float radius1, float radius2 ); 00125 void solidPinchedTorus ( float radius1, float radius2 ); 00126 void solidRoundCube ( float radius ); 00127 00128 public: 00129 float its_a1, its_a2, its_a3; /* Scaling factors for x, y, and z */ 00130 float its_alpha; /* For generating toroids. This is the inner radius */ 00131 float its_n, its_e; /* North-South/East-West Roundness/Squareness Factors */ 00132 float its_u1, its_u2; /* Initial and Final U values */ 00133 float its_v1, its_v2; /* Initial and Final V values */ 00134 int its_u_segs; /* Number of segments for U */ 00135 int its_v_segs; /* Number of segments for V */ 00136 float its_s1, its_t1; /* Initial s and t texture coordinates */ 00137 float its_s2, its_t2; /* Final S and T texture coordinates */ 00138 int itsTextureFlag; /* Flag determining texture coordinate specification */ 00139 int itsGlListId; /* OpenGL Display List ID */ 00140 bool itsUseDisplayList; 00141 bool itsUseTexture; 00142 }; 00143 00144 00145 // ###################################################################### 00146 /* So things look consistent in everyone's emacs... */ 00147 /* Local Variables: */ 00148 /* indent-tabs-mode: nil */ 00149 /* End: */ 00150 00151 #endif //
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