calculator.cpp.in

学习 open inventor 的例子

/**************************************************************************\
 *
 *  This file is part of a set of example programs for the Coin library.
 *  Copyright (C) 2000-2003 by Systems in Motion. All rights reserved.
 *
 *                   <URL:http://www.coin3d.org>
 *
 *  This sourcecode can be redistributed and/or modified under the
 *  terms of the GNU General Public License version 2 as published by
 *  the Free Software Foundation. See the file COPYING at the root
 *  directory of the distribution for more details.
 *
 *  As a special exception, all sourcecode of the demo examples can be
 *  used for any purpose for licensees of the Coin Professional
 *  Edition License, without the restrictions of the GNU GPL. See our
 *  web pages for information about how to acquire a Professional Edition
 *  License.
 *
 *  Systems in Motion, <URL:http://www.sim.no>, <mailto:[e-mail]>
 *
\**************************************************************************/
/* ********************************************************************** *
 * calculator
 *
 * Demo application for showcasing Coin.
 *
 * Written by Lars J. Aas <[e-mail]>.
 * Additional copyright (C) 2001, Systems in Motion.
 * ********************************************************************** */
 
#include <Inventor/@Gui@/So@Gui@.h>
#include <Inventor/@Gui@/viewers/So@Gui@ExaminerViewer.h>

#include <Inventor/SbLinear.h>
#include <Inventor/actions/SoGLRenderAction.h>
#include <Inventor/actions/SoSearchAction.h>
#include <Inventor/actions/SoHandleEventAction.h>
#include <Inventor/actions/SoRayPickAction.h>
#include <Inventor/nodes/SoCoordinate3.h>
#include <Inventor/nodes/SoTranslation.h>
#include <Inventor/nodes/SoScale.h>
#include <Inventor/nodes/SoCallback.h>
#include <Inventor/nodes/SoSphere.h>
#include <Inventor/events/SoMouseButtonEvent.h>
#include <Inventor/events/SoLocation2Event.h>
#include <Inventor/SoPickedPoint.h>
#include <Inventor/errors/SoDebugError.h>

#include <assert.h>
#include <stdio.h>
#include <string.h>
#include <stdlib.h> // exit()

/* ********************************************************************** */

const char * scenegraph[] = {
  "#Inventor V2.1 ascii",
  "",
  "Separator {",
  "  Separator {",
  "    DEF hook Callback {}",
  "    ShapeHints {",
  "      vertexOrdering COUNTERCLOCKWISE",
  "      shapeType SOLID",
  "    }",
  "    DirectionalLight {",
  "      color 0.4 0 0.8",
  "      intensity 0.5",
  "      direction 0.1 0 1",
  "    }",
  "    BaseColor {",
  "      rgb 1 0 0",
  "    }",
  "    DEF camera PerspectiveCamera {}",
  "    Separator {",
  "      Translation { translation 0 0 0 }",
  "      Scale { scaleFactor 36 1 4 }",
  "      DEF UnitCube Separator {",
  "        Coordinate3 {",
  "          point [",
  "            0 0 0,",
  "            1 0 0,",
  "            1 1 0,",
  "            0 1 0,",
  "            0 0 1,",
  "            1 0 1,",
  "            1 1 1,",
  "            0 1 1",
  "          ]",
  "        }",
  "        SoIndexedFaceSet {",
  "          coordIndex [",
  "            0, 1, 5, 4, -1,",
  "            0, 3, 2, 1, -1,",
  "            0, 4, 7, 3, -1,",
  "            1, 2, 6, 5, -1,",
  "            2, 3, 7, 6, -1,",
  "            4, 5, 6, 7, -1",
  "          ]",
  "        }",
  "      }",
  "    }",
  "    Separator {",
  "      Translation { translation 1 1 1 }",
  "      Scale { scaleFactor 1 16 2 }",
  "      USE UnitCube",
  "    }",
  "    Separator {",
  "      Translation { translation 34 1 1 }",
  "      Scale { scaleFactor 1 16 2 }",
  "      USE UnitCube",
  "    }",
  "    Separator {",
  "      BaseColor { rgb 1 1 0 }",
  "      Translation { translation 18 15.5 2 }",
  "      RotationXYZ {",
  "        axis Z",
  "        angle 1.5707",
  "      }",
  "      Scale { scaleFactor 0.2 17.1 0.2 }",
  "      Cylinder {}",
  "      Translation { translation -12 0 0 }",
  "      Cylinder {}",
  "      Translation { translation -12 0 0 }",
  "      Cylinder {}",
  "      Translation { translation -12 0 0 }",
  "      Cylinder {}",
  "      Translation { translation -12 0 0 }",
  "      Cylinder {}",
  "      Translation { translation -12 0 0 }",
  "      Cylinder {}",
  "    }",
  "    Separator {",
  "      DEF raysnoop Callback {}",
  "      Translation { translation 3 15.5 2 }",
  "      Separator {"
  "        BaseColor { rgb 1 0 0 }",
  "        Scale { scaleFactor 1.03 1.03 1.03 }",
  "        DEF r0t0 Translation { translation 0 0 0 }",
  "        DEF r0s0 Sphere {}",
  "        DEF r0t1 Translation { translation 1.93 0 0 }",
  "        DEF r0s1 Sphere {}",
  "        DEF r0t2 Translation { translation 1.93 0 0 }",
  "        DEF r0s2 Sphere {}",
  "        DEF r0t3 Translation { translation 1.93 0 0 }",
  "        DEF r0s3 Sphere {}",
  "        DEF r0t4 Translation { translation 1.93 0 0 }",
  "        DEF r0s4 Sphere {}",
  "        DEF r0t5 Translation { translation 1.93 0 0 }",
  "        DEF r0s5 Sphere {}",
  "        DEF r0t6 Translation { translation 1.93 0 0 }",
  "        DEF r0s6 Sphere {}",
  "        DEF r0t7 Translation { translation 1.93 0 0 }",
  "        DEF r0s7 Sphere {}",
  "        DEF r0t8 Translation { translation 1.93 0 0 }",
  "        DEF r0s8 Sphere {}",
  "        DEF r0t9 Translation { translation 1.93 0 0 }",
  "        DEF r0s9 Sphere {}",
  "      }",
  "      Translation { translation 0 -2.4 0 }",
  "      Separator {"
  "        BaseColor { rgb 0 0 1 }",
  "        Scale { scaleFactor 1.03 1.03 1.03 }",
  "        DEF r1t0 Translation { translation 0 0 0 }",
  "        DEF r1s0 Sphere {}",
  "        DEF r1t1 Translation { translation 1.93 0 0 }",
  "        DEF r1s1 Sphere {}",
  "        DEF r1t2 Translation { translation 1.93 0 0 }",
  "        DEF r1s2 Sphere {}",
  "        DEF r1t3 Translation { translation 1.93 0 0 }",
  "        DEF r1s3 Sphere {}",
  "        DEF r1t4 Translation { translation 1.93 0 0 }",
  "        DEF r1s4 Sphere {}",
  "        DEF r1t5 Translation { translation 1.93 0 0 }",
  "        DEF r1s5 Sphere {}",
  "        DEF r1t6 Translation { translation 1.93 0 0 }",
  "        DEF r1s6 Sphere {}",
  "        DEF r1t7 Translation { translation 1.93 0 0 }",
  "        DEF r1s7 Sphere {}",
  "        DEF r1t8 Translation { translation 1.93 0 0 }",
  "        DEF r1s8 Sphere {}",
  "        DEF r1t9 Translation { translation 1.93 0 0 }",
  "        DEF r1s9 Sphere {}",
  "      }",
  "      Translation { translation 0 -2.4 0 }",
  "      Separator {"
  "        BaseColor { rgb 0 1 0 }",
  "        Scale { scaleFactor 1.03 1.03 1.03 }",
  "        DEF r2t0 Translation { translation 0 0 0 }",
  "        DEF r2s0 Sphere {}",
  "        DEF r2t1 Translation { translation 1.93 0 0 }",
  "        DEF r2s1 Sphere {}",
  "        DEF r2t2 Translation { translation 1.93 0 0 }",
  "        DEF r2s2 Sphere {}",
  "        DEF r2t3 Translation { translation 1.93 0 0 }",
  "        DEF r2s3 Sphere {}",
  "        DEF r2t4 Translation { translation 1.93 0 0 }",
  "        DEF r2s4 Sphere {}",
  "        DEF r2t5 Translation { translation 1.93 0 0 }",
  "        DEF r2s5 Sphere {}",
  "        DEF r2t6 Translation { translation 1.93 0 0 }",
  "        DEF r2s6 Sphere {}",
  "        DEF r2t7 Translation { translation 1.93 0 0 }",
  "        DEF r2s7 Sphere {}",
  "        DEF r2t8 Translation { translation 1.93 0 0 }",
  "        DEF r2s8 Sphere {}",
  "        DEF r2t9 Translation { translation 1.93 0 0 }",
  "        DEF r2s9 Sphere {}",
  "      }",
  "      Translation { translation 0 -2.4 0 }",
  "      Separator {"
  "        BaseColor { rgb 0 1 1 }",
  "        Scale { scaleFactor 1.03 1.03 1.03 }",
  "        DEF r3t0 Translation { translation 0 0 0 }",
  "        DEF r3s0 Sphere {}",
  "        DEF r3t1 Translation { translation 1.93 0 0 }",
  "        DEF r3s1 Sphere {}",
  "        DEF r3t2 Translation { translation 1.93 0 0 }",
  "        DEF r3s2 Sphere {}",
  "        DEF r3t3 Translation { translation 1.93 0 0 }",
  "        DEF r3s3 Sphere {}",
  "        DEF r3t4 Translation { translation 1.93 0 0 }",
  "        DEF r3s4 Sphere {}",
  "        DEF r3t5 Translation { translation 1.93 0 0 }",
  "        DEF r3s5 Sphere {}",
  "        DEF r3t6 Translation { translation 1.93 0 0 }",
  "        DEF r3s6 Sphere {}",
  "        DEF r3t7 Translation { translation 1.93 0 0 }",
  "        DEF r3s7 Sphere {}",
  "        DEF r3t8 Translation { translation 1.93 0 0 }",
  "        DEF r3s8 Sphere {}",
  "        DEF r3t9 Translation { translation 1.93 0 0 }",
  "        DEF r3s9 Sphere {}",
  "      }",
  "      Translation { translation 0 -2.4 0 }",
  "      Separator {"
  "        BaseColor { rgb 1 1 0 }",
  "        Scale { scaleFactor 1.03 1.03 1.03 }",
  "        DEF r4t0 Translation { translation 0 0 0 }",
  "        DEF r4s0 Sphere {}",
  "        DEF r4t1 Translation { translation 1.93 0 0 }",
  "        DEF r4s1 Sphere {}",
  "        DEF r4t2 Translation { translation 1.93 0 0 }",
  "        DEF r4s2 Sphere {}",
  "        DEF r4t3 Translation { translation 1.93 0 0 }",
  "        DEF r4s3 Sphere {}",
  "        DEF r4t4 Translation { translation 1.93 0 0 }",
  "        DEF r4s4 Sphere {}",
  "        DEF r4t5 Translation { translation 1.93 0 0 }",
  "        DEF r4s5 Sphere {}",
  "        DEF r4t6 Translation { translation 1.93 0 0 }",
  "        DEF r4s6 Sphere {}",
  "        DEF r4t7 Translation { translation 1.93 0 0 }",
  "        DEF r4s7 Sphere {}",
  "        DEF r4t8 Translation { translation 1.93 0 0 }",
  "        DEF r4s8 Sphere {}",
  "        DEF r4t9 Translation { translation 1.93 0 0 }",
  "        DEF r4s9 Sphere {}",
  "      }",
  "      Translation { translation 0 -2.4 0 }",
  "      Separator {"
  "        BaseColor { rgb 0.8 0.8 0.8 }",
  "        Scale { scaleFactor 1.03 1.03 1.03 }",
  "        DEF r5t0 Translation { translation 0 0 0 }",
  "        DEF r5s0 Sphere {}",
  "        DEF r5t1 Translation { translation 3.107 0 0 }",
  "        DEF r5s1 Sphere {}",
  "        DEF r5t2 Translation { translation 3.107 0 0 }",
  "        DEF r5s2 Sphere {}",
  "        DEF r5t3 Translation { translation 3.107 0 0 }",
  "        DEF r5s3 Sphere {}",
  "        DEF r5t4 Translation { translation 3.107 0 0 }",
  "        DEF r5s4 Sphere {}",
  "        DEF r5t5 Translation { translation 3.107 0 0 }",
  "        DEF r5s5 Sphere {}",
  "        DEF r5t6 Translation { translation 3.107 0 0 }",
  "        DEF r5s6 Sphere {}",
  "        DEF r5t7 Translation { translation 3.107 0 0 }",
  "        DEF r5s7 Sphere {}",
  "        DEF r5t8 Translation { translation 3.107 0 0 }",
  "        DEF r5s8 Sphere {}",
  "        DEF r5t9 Translation { translation 3.107 0 0 }",