Method glutDisplay

Samples/NiUserSelection/SceneDrawer.cpp:320–375

void SceneDrawer::glutDisplay (void)
{
    glClear (GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);

    // Setup the OpenGL viewpoint
    glMatrixMode(GL_PROJECTION);
    glPushMatrix();
    glLoadIdentity();
    XnUInt16 g_nXRes; 
    XnUInt16 g_nYRes; 
    SceneDrawer *singleton=GetInstance();

    singleton->m_pUserTrackerObj->GetImageRes(g_nXRes,g_nYRes);

#ifndef USE_GLES
    glOrtho(0, g_nXRes, g_nYRes, 0, -1.0, 1.0);
#else
    glOrthof(0, g_nXRes, g_nYRes, 0, -1.0, 1.0);
#endif

    glDisable(GL_TEXTURE_2D);

    if(singleton->g_bPause==FALSE)
        singleton->m_pUserTrackerObj->UpdateFrame();
    if(singleton->m_pUserTrackerObj->GetExitPoseState(0)>=1.0f)
    {
        singleton->ExitSample(EXIT_SUCCESS);
    }
    // Process the data
    singleton->DrawDepthMapTexture();

    XnUserID aUsers[15];
    XnUInt16 nUsers = 15;
    xn::UserGenerator *pUserGenerator=singleton->m_pUserTrackerObj->GetUserGenerator();
    pUserGenerator->GetUsers(aUsers, nUsers);
    for (int i = 0; i < nUsers; ++i)
    {
        if (singleton->g_bPrintID)
        {
            singleton->DrawLabels(aUsers[i]);
        }
        if (singleton->g_bDrawSkeleton)
        {
            if(pUserGenerator->GetSkeletonCap().IsTracking(aUsers[i]))
            {
                singleton->DrawSkeleton(aUsers[i]);
            }
            
        }

    }

#ifndef USE_GLES
    glutSwapBuffers();
#endif
}