00001 /*======================================================================= 00002 * Copyright 1991-1996, Silicon Graphics, Inc. 00003 * ALL RIGHTS RESERVED 00004 * 00005 * UNPUBLISHED -- Rights reserved under the copyright laws of the United 00006 * States. Use of a copyright notice is precautionary only and does not 00007 * imply publication or disclosure. 00008 * 00009 * U.S. GOVERNMENT RESTRICTED RIGHTS LEGEND: 00010 * Use, duplication or disclosure by the Government is subject to restrictions 00011 * as set forth in FAR 52.227.19(c)(2) or subparagraph (c)(1)(ii) of the Rights 00012 * in Technical Data and Computer Software clause at DFARS 252.227-7013 and/or 00013 * in similar or successor clauses in the FAR, or the DOD or NASA FAR 00014 * Supplement. Contractor/manufacturer is Silicon Graphics, Inc., 00015 * 2011 N. Shoreline Blvd. Mountain View, CA 94039-7311. 00016 * 00017 * THE CONTENT OF THIS WORK CONTAINS CONFIDENTIAL AND PROPRIETARY 00018 * INFORMATION OF SILICON GRAPHICS, INC. ANY DUPLICATION, MODIFICATION, 00019 * DISTRIBUTION, OR DISCLOSURE IN ANY FORM, IN WHOLE, OR IN PART, IS STRICTLY 00020 * PROHIBITED WITHOUT THE PRIOR EXPRESS WRITTEN PERMISSION OF SILICON 00021 * GRAPHICS, INC. 00022 **=======================================================================*/ 00023 /*======================================================================= 00024 ** Author : Paul S. Strauss (MMM yyyy) 00025 ** Modified by : Nick Thompson (MMM yyyy) 00026 **=======================================================================*/ 00027 /*======================================================================= 00028 *** THE CONTENT OF THIS WORK IS PROPRIETARY TO FEI S.A.S, (FEI S.A.S.), *** 00029 *** AND IS DISTRIBUTED UNDER A LICENSE AGREEMENT. *** 00030 *** *** 00031 *** REPRODUCTION, DISCLOSURE, OR USE, IN WHOLE OR IN PART, OTHER THAN AS *** 00032 *** SPECIFIED IN THE LICENSE ARE NOT TO BE UNDERTAKEN EXCEPT WITH PRIOR *** 00033 *** WRITTEN AUTHORIZATION OF FEI S.A.S. *** 00034 *** *** 00035 *** RESTRICTED RIGHTS LEGEND *** 00036 *** USE, DUPLICATION, OR DISCLOSURE BY THE GOVERNMENT OF THE CONTENT OF THIS *** 00037 *** WORK OR RELATED DOCUMENTATION IS SUBJECT TO RESTRICTIONS AS SET FORTH IN *** 00038 *** SUBPARAGRAPH (C)(1) OF THE COMMERCIAL COMPUTER SOFTWARE RESTRICTED RIGHT *** 00039 *** CLAUSE AT FAR 52.227-19 OR SUBPARAGRAPH (C)(1)(II) OF THE RIGHTS IN *** 00040 *** TECHNICAL DATA AND COMPUTER SOFTWARE CLAUSE AT DFARS 52.227-7013. *** 00041 *** *** 00042 *** COPYRIGHT (C) 1996-2021 BY FEI S.A.S, *** 00043 *** BORDEAUX, FRANCE *** 00044 *** ALL RIGHTS RESERVED *** 00045 **=======================================================================*/ 00046 /*======================================================================= 00047 ** Modified by : VSG (MMM YYYY) 00048 **=======================================================================*/ 00049 00050 00051 #ifndef _SO_CYLINDER_ 00052 #define _SO_CYLINDER_ 00053 00054 #include <Inventor/SbVec.h> 00055 #include <Inventor/SbBox.h> 00056 #include <Inventor/fields/SoSFBitMask.h> 00057 #include <Inventor/fields/SoSFFloat.h> 00058 #include <Inventor/nodes/SoShape.h> 00059 00061 // 00062 // Class: SoCylinder 00063 // 00064 // Simple cylinder, aligned with y-axis. Default size is -1 to +1 in 00065 // all 3 dimensions, but the radius and height fields can be used to 00066 // change that. There are essentially three parts to the cylinder: 00067 // the sides, the top face, and the bottom face (in that order). 00068 // 00070 00071 SO_PIMPL_PUBLIC_DECLARATION( SoCylinder ); 00072 00146 class SoCylinder : public SoShape { 00147 00148 SO_NODE_HEADER(SoCylinder); 00149 SO_PIMPL_PUBLIC_HEADER( SoCylinder ); 00150 00151 public: 00152 00154 enum Part { 00158 SIDES = 0x01, 00162 TOP = 0x02, 00166 BOTTOM = 0x04, 00170 ALL = 0x07 00171 }; 00172 00173 // Fields 00177 SoSFBitMask parts; 00181 SoSFFloat radius; 00185 SoSFFloat height; 00186 00190 SoCylinder(); 00191 00195 void addPart(SoCylinder::Part part); 00199 void removePart(SoCylinder::Part part); 00200 00204 SbBool hasPart(SoCylinder::Part part) const; 00205 00206 private: 00207 // Implements actions 00208 virtual void GLRender(SoGLRenderAction *action); 00209 virtual void rayPick(SoRayPickAction *action); 00210 virtual void getPrimitiveCount(SoGetPrimitiveCountAction *action); 00211 00212 // Computes bounding box of cylinder 00213 virtual void computeBBox(SoAction *action, SbBox3f &box, 00214 SbVec3f ¢er); 00215 00216 private: 00217 static void initClass(); 00218 static void exitClass(); 00219 00220 // Computes number of sides and sections to use to represent 00221 // cylinder (based on complexity), then computes ring of x,z 00222 // coordinates around cylinder and stores in ringCoords. 00223 void computeRing( SoState* state, int& numSides, int& numSections, std::vector<SbVec2f>& ringCoords ) const; 00224 00225 virtual SoChildList* getChildren() const; 00226 00227 private: 00228 // Generates triangles representing a cylinder 00229 virtual void generatePrimitives(SoAction *action); 00230 00231 virtual ~SoCylinder(); 00232 }; 00233 00234 #endif /* _SO_CYLINDER_ */ 00235