coinhistory.cpp.in

学习 open inventor 的例子

  // O
  SoTranslation * trans_o = new SoTranslation;
  trans_o->translation.setValue(1.75f, 2.5f, 0.0f);
  separator->addChild(trans_o);

  SoScale * scale_o = new SoScale;
  scale_o->scaleFactor.setValue(0.57f, 0.57f, 1.0f);
  separator->addChild(scale_o);

  SoText3 * o = new SoText3;
  o->string.setValue( "O" );
  o->parts.setValue( SoText3::ALL );
  separator->addChild(o);

  // I
  SoTranslation * trans_i = new SoTranslation;
  trans_i->translation.setValue(2.5f, 1.1f, 0.0f);
  separator->addChild(trans_i);

  SoScale * scale_i = new SoScale;
  scale_i->scaleFactor.setValue(0.7f, 0.7f, 1.0f);
  separator->addChild(scale_i);

  SoText3 * i = new SoText3;
  i->string.setValue( "I" );
  i->parts.setValue( SoText3::ALL );
  separator->addChild(i);

  // N
  SoTranslation * trans_n = new SoTranslation;
  trans_n->translation.setValue(-0.8f, -6.3f, 0.0f);
  separator->addChild(trans_n);

  SoScale * scale_n = new SoScale;
  scale_n->scaleFactor.setValue(0.6f, 0.6f, 1.0f);
  separator->addChild(scale_n);

  SoText3 * n = new SoText3;
  n->string.setValue( "N" );
  n->parts.setValue( SoText3::ALL );
  separator->addChild(n);

  // separator
  sep->addChild(separator);

  // top
  SoTranslation * trans_t = new SoTranslation;
  trans_t->translation.setValue(3.6f, -0.9f, -0.5f);
  sep->addChild(trans_t);

  SoScale * scale_t = new SoScale;
  scale_t->scaleFactor.setValue(0.2f, 0.8f, 0.5f);
  sep->addChild(scale_t);

  SoCube * t = new SoCube;
  sep->addChild(t);

  // bottom
  SoTranslation * trans_b = new SoTranslation;
  trans_b->translation.setValue(0.0f, 11.4f, 0.0f);
  sep->addChild(trans_b);

  SoCube * b = new SoCube;
  sep->addChild(b);

  sep->unrefNoDelete();
	
  return sep;
}

SoTexture2 *
create_texture(int width, int height, int bpp, unsigned char * raw, bool blend)
{
  SoTexture2 * texture = new SoTexture2;
  texture->image.setValue(SbVec2s(width, height), bpp, raw);
  texture->model = (blend?SoTexture2::BLEND:SoTexture2::DECAL);
  texture->blendColor.setValue(1.0, 0.0, 0.0);
  return texture;
}

int
main(
     int argc,
     char ** argv )
{

  textpos = 0;
  currpart = 0;
  firstletter = true;

  @WIDGET@ window = So@Gui@::init(argv[0]);
  if (window == NULL) exit(1);

  vp.setWindowSize(SbVec2s(400, 400));


  root = new SoSeparator;
  root->ref();
  root->addChild( camera = new SoPerspectiveCamera );
  root->addChild( new SoDirectionalLight );

  SoShapeHints * hints = new SoShapeHints;
  hints->vertexOrdering = SoShapeHints::COUNTERCLOCKWISE;
  hints->shapeType = SoShapeHints::SOLID;
  hints->creaseAngle = 0.91f;
  root->addChild( hints );

  
  SoSeparator * instructsep = new SoSeparator;
  root->addChild(instructsep);

  SoOrthographicCamera * ocam = new SoOrthographicCamera;
  instructsep->addChild(ocam);

  SoTranslation * instructtrans = new SoTranslation;
  //  instructtrans->translation = SbVec3f(0.0f, -1.0f, 0.0f);
  instructsep->addChild(instructtrans);

  SoText2 * instructions = new SoText2;
  const char * str[] = {
    "","","","","","","","",
    "","","","","","","","",
    "","","","","","","","",
    "","","","","","","","",
    "","","","","","","","",
    "(Press 'q' to exit)."
  };
  instructions->string.setValues(0, sizeof(str) / sizeof(char *), str);
  instructions->justification = SoText2::LEFT;
  instructsep->addChild(instructions);

  logo = new SoSeparator;
  SoTransform *logoxf;
  logo->addChild(logoxf = new SoTransform);
  logoxf->translation.setValue(SbVec3f(4.0f, -2.0f, 25.0f));
  logo->addChild(logorot = new SoRotation);
  logo->addChild(create_logo(create_texture(64,64,4,(unsigned char*)envq_raw,true)));
  root->addChild(logo);
  
  SoBaseColor * basecol = new SoBaseColor;
  basecol->rgb.setValue( float(rand())/float(RAND_MAX),
                         float(rand())/float(RAND_MAX),
                         float(rand())/float(RAND_MAX) );
  root->addChild( basecol );

  textlen = strlen(text2);
  char tt[2];
  tt[1] = 0;

  num_particles = NUM_PARTICLES;
  particles = new particleinfo[num_particles];

  SoSphere *ball;
  SoSeparator *textsep = new SoSeparator;
  root->addChild(textsep);

  int i;
  srand( (unsigned)time( NULL ) );
  line=0;
  spos=0;

  deltax=0.0f;
  textpos = 0;
  // add empty text
  for (i=0; i<num_particles; i++)
    {
      particles[i].ax=0.0;
      particles[i].ay=-9.8f*2.0f;
      particles[i].az=-4.0f*2.0f;

      particles[i].delay = -100.0f;

      textsep->addChild(particles[i].p = new SoSeparator);
      particles[i].p->addChild(particles[i].xf = new SoTransform);

      particles[i].p->addChild(particles[i].rot = new SoRotation);

      SoScale * s = new SoScale;
      s->scaleFactor.setValue(0.1f, 0.1f, 0.1f);
      particles[i].p->addChild(s);

      particles[i].t = new SoText3;
      tt[0] = ' ';
      particles[i].t->string.setValue(tt);
      //	  particles[i].t->parts.setValue(SoText3::FRONT);
      particles[i].t->parts.setValue(SoText3::ALL);
      particles[i].t->justification=SoText3::LEFT;
      particles[i].p->addChild(particles[i].t);

    };

  lastlettertime = SbTime::getTimeOfDay();

  //   SoWinExaminerViewer *viewer = new SoWinExaminerViewer(window);
  So@Gui@ExaminerViewer * viewer = new So@Gui@ExaminerViewer(window);

#ifdef HAVE_SOGLRENDERACTION_SORTED_OBJECT_SORTED_TRIANGLE_BLEND
  viewer->setTransparencyType( SoGLRenderAction::SORTED_OBJECT_SORTED_TRIANGLE_BLEND );
#else // !HAVE_SOGLRENDERACTION_SORTED_OBJECT_SORTED_TRIANGLE_BLEND
  viewer->setTransparencyType( SoGLRenderAction::SORTED_OBJECT_BLEND );
#endif // !HAVE_SOGLRENDERACTION_SORTED_OBJECT_SORTED_TRIANGLE_BLEND

  viewer->setSceneGraph( root );

  viewer->setViewportRegion(vp);
  camera->viewAll(logo, vp);
  float x,y,z;
  SbVec3f cpos;
  cpos = camera->position.getValue();
  cpos.getValue(x, y, z);
  //  camera->position.setValue(x, y, z-10.0f);
  camera->nearDistance = 1.0;
  camera->farDistance = 100.0;
  SoTimerSensor *timerSensor;
  timerSensor = new SoTimerSensor(timerSensorCallback, NULL);
  timerSensor->setInterval(SbTime(0, 1000*10));
  timerSensor->schedule();

  lasttime = SbTime::getTimeOfDay();
  starttime = lasttime;

  viewer->setDecoration(FALSE);
  viewer->show();
  So@Gui@::show( window );

#ifdef HAVE_SOCOMPONENT_SETFULLSCREEN
  // Must do this _after_ show() to avoid the "Start"-bar being
  // visible with SoWin. (Bug!)
  (void)viewer->setFullScreen(TRUE);
#endif // HAVE_SOCOMPONENT_SETFULLSCREEN


  So@Gui@::mainLoop();

  root->unref();

  delete [] particles;

  return 0;
} // main()