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C++ Trackball::GetView方法代码示例

本文整理汇总了C++中vcg::Trackball::GetView方法的典型用法代码示例。如果您正苦于以下问题：C++ Trackball::GetView方法的具体用法？C++ Trackball::GetView怎么用？C++ Trackball::GetView使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类vcg::Trackball的用法示例。


在下文中一共展示了Trackball::GetView方法的7个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。

示例1: display

/* Response to a redraw event: renders the scene */
void display(){
    glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
    glMatrixMode(GL_PROJECTION);
    glLoadIdentity();
    gluPerspective(40, width/(float)height, 0.01, 10);
    glMatrixMode(GL_MODELVIEW);
    glLoadIdentity();
    glTranslate( -observerPos );

		track.GetView();
    track.Apply(false);
    glPushMatrix();
    float d=mesh.bbox.Diag();
    glScale(1.5f/d);
    Point3f p = glWrap.m->bbox.Center();
    p[1] = glWrap.m->bbox.min[1];
		glTranslate(-p);	

		// the trimesh drawing calls
		switch(drawMode)
		{
		  case 0: glWrap.Draw<vcg::GLW::DMSmooth,   vcg::GLW::CMNone,vcg::GLW::TMNone> ();break;
		  case 1: glWrap.Draw<vcg::GLW::DMWire,     vcg::GLW::CMNone,vcg::GLW::TMNone> ();break;
		  case 2: glWrap.Draw<vcg::GLW::DMFlatWire, vcg::GLW::CMNone,vcg::GLW::TMNone> ();break;
		  case 3: glWrap.Draw<vcg::GLW::DMHidden,   vcg::GLW::CMNone,vcg::GLW::TMNone> ();break;
		  case 4: glWrap.Draw<vcg::GLW::DMFlat,     vcg::GLW::CMNone,vcg::GLW::TMNone> ();break;
		  default: break;
		}
    glPopMatrix();
    RenderFloor();
    track.DrawPostApply();
    SDL_GL_SwapBuffers();
}
开发者ID:Hao-HUST，项目名称:NBIS，代码行数:34，代码来源:trackball_sdl.cpp

示例2: display

void display(){
    glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
    glMatrixMode(GL_PROJECTION);
    glLoadIdentity();
    gluPerspective(40, width/(float)height, 0.1, 100);
    glMatrixMode(GL_MODELVIEW);
    glLoadIdentity();
    gluLookAt(0,0,5,   0,0,0,   0,1,0);    

    track.center=Point3f(0, 0, 0);
    track.radius= 1;

		track.GetView();
	track.Apply();
    glPushMatrix();
    float d=1.0f/mesh.bbox.Diag();
    glScale(d);
		glTranslate(-glWrap.m->bbox.Center());	

		// the trimesh drawing calls
		switch(drawMode)
		{
		  case 0: glWrap.Draw<vcg::GLW::DMSmooth,   vcg::GLW::CMNone,vcg::GLW::TMNone> ();break;
		  case 1: glWrap.Draw<vcg::GLW::DMPoints,   vcg::GLW::CMNone,vcg::GLW::TMNone> ();break;
		  case 2: glWrap.Draw<vcg::GLW::DMWire,     vcg::GLW::CMNone,vcg::GLW::TMNone> ();break;
		  case 3: glWrap.Draw<vcg::GLW::DMFlatWire, vcg::GLW::CMNone,vcg::GLW::TMNone> ();break;
		  case 4: glWrap.Draw<vcg::GLW::DMHidden,   vcg::GLW::CMNone,vcg::GLW::TMNone> ();break;
		  case 5: glWrap.Draw<vcg::GLW::DMFlat,     vcg::GLW::CMNone,vcg::GLW::TMNone> ();break;
		  default: break;
		}
    glPopMatrix();
    track.DrawPostApply();
    SDL_GL_SwapBuffers();
}
开发者ID:GuoXinxiao，项目名称:meshlab，代码行数:34，代码来源:trimesh_sdl.cpp

示例3: getDirFromTrackball

Point3f getDirFromTrackball(vcg::Trackball &tb){
  glPushMatrix();
  gluLookAt(1,-3,-5,   0,0,0,   0,1,0);    

  tb.center=Point3f(0, 0, 0);
  tb.radius= 1;
  
	tb.GetView();
  tb.Apply(false);

  float pos[4]={0.0f,0.0f,-1.0f,0.0f};
  float d[16];
  glGetFloatv(GL_MODELVIEW_MATRIX,d);
  glPopMatrix();
  
  Point3f res(-d[8],-d[9],-d[10]);
  res.Normalize();
  return res;

}
开发者ID:alaindomissy，项目名称:nanoengineer，代码行数:20，代码来源:Common.cpp

示例4: drawLightDir

void drawLightDir()
{
	glPushMatrix();
	lightTrack.GetView();
  lightTrack.Apply(false);
#if 0
    glPushAttrib(GL_ENABLE_BIT | GL_CURRENT_BIT);
	glColor3f(1,1,0);
    glDisable(GL_LIGHTING);
    const int lineNum=3;
	glBegin(GL_LINES);
    for(unsigned int i=0;i<=lineNum;++i)
      for(unsigned int j=0;j<=lineNum;++j) {
        glVertex3f(-1.0f+i*2.0/lineNum,-1.0f+j*2.0/lineNum,-2);
        glVertex3f(-1.0f+i*2.0/lineNum,-1.0f+j*2.0/lineNum, 2);
      }
	glEnd();
    glPopAttrib();
#endif
    
	glPopMatrix();
}
开发者ID:alaindomissy，项目名称:nanoengineer，代码行数:22，代码来源:Common.cpp

示例5: paintGL

void GLWidget::paintGL ()
{
    glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
    glMatrixMode(GL_PROJECTION);
    glLoadIdentity();
    gluPerspective(40, GLWidget::width()/(float)GLWidget::height(), 0.1, 100);
    glMatrixMode(GL_MODELVIEW);
    glLoadIdentity();
    gluLookAt(0,0,3.5f,   0,0,0,   0,1,0);
    track.center=vcg::Point3f(0, 0, 0);
    track.radius= 1;
    track.GetView();
    glPushMatrix();
    track.Apply(false);
    glPushMatrix();
    if(mesh.vert.size()>0)
    {
      vcg::glScale(2.0f/mesh.bbox.Diag());
      glTranslate(-mesh.bbox.Center());
      glWrap.Draw(GLW::DrawMode(drawmode),GLW::CMNone,GLW::TMNone);
    }
    glPopMatrix();
    track.DrawPostApply();
    glPopMatrix();
    if(hasToPick)
    {
      hasToPick=false;
      Point3f pp;
      if(Pick<Point3f>(pointToPick[0],pointToPick[1],pp))
      {
        track.Translate(-pp);
        track.Scale(1.25f);
        QCursor::setPos(mapToGlobal(QPoint(width()/2+2,height()/2+2)));
      }
    }
    TwDraw();
}
开发者ID:HaiJiaoXinHeng，项目名称:meshlab，代码行数:37，代码来源:glwidget.cpp

示例6: DisplayFunc

// Draw prime numbers pattern :
void DisplayFunc()
{
  float zoom;
  float X, Y;
  unsigned int primeNumberCounter;

  PreDisplay();

  zoom = 1.0f / (greatestPrimeNumber+1.0f);
  primeNumberCounter = 0;
  
  glPointSize(3.f);

  int nbParticlesLeft = 0;
  std::vector<float> currentColor;
  int currentIndex = 0;
  std::map<int, std::vector<float> >::iterator it;

  if(previousNbPositions > 0){
      it = tableColorProducer.find(currentMessageTrace.at(currentIndex));
     nbParticlesLeft = currentMessageTrace.at(currentIndex+1);
  }

  glMatrixMode(GL_PROJECTION);
  glLoadIdentity();
  gluPerspective(60.0,(GLfloat)glutGet(GLUT_WINDOW_WIDTH) / (GLfloat)glutGet(GLUT_WINDOW_HEIGHT), 1.0, 2000.0);

  glMatrixMode(GL_MODELVIEW);
  glLoadIdentity();
  gluLookAt(0,0,5,   0,0,0,   0,1,0);

  track.center=vcg::Point3f(0, 0, 0);
  track.radius= 1;
  track.GetView();
  track.Apply(false);

  glPushMatrix();
  float d=2.0f/(sqrt(dx*dx + dy*dy + dz*dz));
  glScalef(d,d,d);

  glTranslatef(-cx,-cy,-cz);

  glBegin(GL_POINTS);

  
  for(unsigned int i = 0; i < previousNbPositions; i++){
	if(it != tableColorProducer.end())
	   glColor3f(it->second.at(0),it->second.at(1),it->second.at(2));
	else
	   glColor3f(1.f,1.f,1.f);
	glVertex3d(positions[i * 3],positions[i * 3 + 1],positions[ i * 3 + 2]);
	glColor3f(1.f,1.f,1.f);

        nbParticlesLeft--;
        if(nbParticlesLeft <= 0 && currentIndex <( (int)(currentMessageTrace.size()) - 2)){
           currentIndex+=2;
	   it = tableColorProducer.find(currentMessageTrace.at(currentIndex));
           nbParticlesLeft = currentMessageTrace.at(currentIndex+1);
	}
  }

  glEnd();

  DrawSimulationArea();

  glPopMatrix();
  track.DrawPostApply();

  PostDisplay();
}
开发者ID:BlueBrain，项目名称:FlowVR，代码行数:71，代码来源:visualization.cpp

示例7: drawFrame


//.........这里部分代码省略.........
  
  
  Point3f lightDir;
  
  if  ( cgSettings.P_sem_effect  // fixed light dir sem effect
//    || mol.sticks               // quick Hack: fixed light dir when bonds
    )
    lightDir= Point3f(0,0,1);
  else 
    lightDir=getDirFromTrackball(lightTrack);
    
  setLightDir( lightDir );

//  gluLookAt(0,0,-3,   0,0,0,   0,1,0);    original
//  gluLookAt(0,0,-3,   0,0,0,   0,1,0);    ok for tra

    if (mol.hasDefaultView())
        gluLookAt(0,0, 40,   0,0,0,   0,1,0);
    else
        gluLookAt(0,0,-40,   0,0,0,   0,1,0);
        
    if(MovingLightMode)
        drawLightDir();
    glColor3f(1,1,1);

    if (mol.hasDefaultView()) {
        float angle, axisX, axisY, axisZ;
        mol.getDefaultViewRotation(&angle, &axisX, &axisY, &axisZ);
        glRotatef(angle, axisX, axisY, axisZ);
    }


  if (1) {
    
    //track.center=Point3f(0, 0, 0);
    //track.radius= 1;
    //setProjection();

    if (aniStep>=0) // BH: Doesn't normally seem to be aniStep>=0
    {
      double extraRot=360.0*aniStep;
      
      // set extra rotation for GIF animation:
      switch (hardSettings.GIF_ANIMATION_MODE) {
       default:
       case 0: 
        glRotated(-hardSettings.GIF_ROT_SIDEVIEW_ANGLE,1,0,0);
        glRotated(extraRot,0,1,0);
        break;
       case 1:
        glRotated(-extraRot,0,0,1);
        glRotated(hardSettings.GIF_INSP_ANGLE,0,1,0);
        glRotated(extraRot,0,0,1);
        break;
       case 2:{
        double substep[6];
        for (int i=0; i<6; i++) {
          substep[i]=(aniStep*6-i)*90.0;
          if (substep[i]<0) substep[i]=0;
          if (substep[i]>90.0) substep[i]=90.0;
        }
        glRotated(-substep[5], 1,0,0);
        glRotated(-substep[4], 0,1,0);
        glRotated(-substep[3], 0,1,0);
        glRotated(-substep[2], 1,0,0);
        glRotated(-substep[1], 0,1,0);
        glRotated(-substep[0], 0,1,0);
        }break;
      }
    }

    setProjection( mainCanvas.GetVideoSize() );
    track.GetView();
    track.Apply(false); // Set to true to see the trackball itself.
    setProjection( mainCanvas.GetSoftRes() );
    
    if (cgSettings.P_use_shadowmap()) {
      shadowmap.computeAsTexture( getGlLightPos() , cgSettings.do_use_doubleshadow(), shadowmapCanvas);
      //shadowmap.computeAsTexture( Point3f(0,1,0) );
    }

    cgSettings.BindShaders();

    glEnable(GL_TEXTURE_2D);
    //glBindTexture(GL_TEXTURE_2D, molTexture);

    glActiveTextureARB(GL_TEXTURE1_ARB); 
    shadowmapCanvas.SetAsTexture();

    mol.Draw();
    //  shadowmap.m.DrawShadowmap(false);
  
    glDisable(GL_VERTEX_PROGRAM_ARB);
    glDisable(GL_FRAGMENT_PROGRAM_ARB);
    glDisable(GL_BLEND);
    
    if (cgSettings.UseHalo()>0) mol.DrawHalos();
  }

}
开发者ID:alaindomissy，项目名称:nanoengineer，代码行数:101，代码来源:Common.cpp


注：本文中的vcg::Trackball::GetView方法示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。