Exemplo n.º 1
0
/* 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();
}
Exemplo n.º 2
0
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();
}
Exemplo n.º 3
0
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();
}
Exemplo n.º 4
0
// 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();
}