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C-/C++-Quelltext

// main message loop
QueryPerformanceFrequency((LARGE_INTEGER*)(&llFrequency));
while (1) 
{
  QueryPerformanceCounter((LARGE_INTEGER*)(&llTime1));
  // check for messages
  if ( PeekMessage( &msg, NULL, 0, 0, PM_REMOVE ) ) 
  {
    // handle or dispatch messages
    if ( msg.message == WM_QUIT ) 
      break; 
    else 
    {
      TranslateMessage( &msg );
      DispatchMessage( &msg );
    }
  } 
  // Clear buffer (color and depth)
  glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
   
  // move camera
  if(bForward == true)
    Camera.Forward(150.0f * g_fTimeDiff); 
    
  // pasing uniform to shader
  CVector3 vLightPos(0.0f, 200.0f, 0.0f);
  CMatrix44 MVM1, MVM2, NM1, NM2;
  GLint nLocation;
  float m3[9]; 
  CVector3 vTemp(0.0f, 0.0f, 0.0f);
  CMatrix44 mTemp;
  
  // set light pos
  vTemp = Camera.GetCameraMatrix() * (/*CMatrix44::Build_RotationMatrix(g_fTimeElapsed, 0.0f, 0.0f) * */vLightPos);
  nLocation = GL::glGetUniformLocation(nShaderProg, "zLightPos"); 
  GL::glUniform3f(nLocation, vTemp.x, vTemp.y, vTemp.z);
  
  // set mv matrix 1
  MVM1 = Camera.GetCameraMatrix() * CMatrix44::Build_RotationMatrix(0.0f, 0.0f, (PI/ 4.0f) * sinf(g_fTimeElapsed / 0.1f));
  nLocation = GL::glGetUniformLocation(nShaderProg, "zMVM1"); 
  GL::glUniformMatrix4fv(nLocation, 1, false, MVM1.m); 
  
  // set normal matrixn 1
  mTemp = MVM1.Invert();
  mTemp = mTemp.Transpose();
  mTemp.ConvertToMat3(m3);
  nLocation = GL::glGetUniformLocation(nShaderProg, "zNM1"); 
  GL::glUniformMatrix3fv(nLocation, 1, false, m3);
  
  // set mv matrix 2
  MVM2 = Camera.GetCameraMatrix() * CMatrix44::Build_RotationMatrix(0.0f, 0.0f, (PI/-2.0f) * sinf(g_fTimeElapsed / 2.0f));
  nLocation = GL::glGetUniformLocation(nShaderProg, "zMVM2"); 
  GL::glUniformMatrix4fv(nLocation, 1, false, MVM2.m); 
  
  // set normal matrixn 2
  mTemp = MVM2.Invert();
  mTemp = mTemp.Transpose();
  mTemp.ConvertToMat3(m3);nLocation = GL::glGetUniformLocation(nShaderProg, "zNM2");GL::glUniformMatrix3fv(nLocation, 1, false, m3);

  for(int x=0; x<20000; x++) 
  {
    //::Sleep(0);
    Plane.Bind();
    Torus.Bind();
  }
  
  // draw
  Plane.Bind();
  glPolygonMode(GL_FRONT_AND_BACK, GL_LINE);
  Plane.Draw();
  Torus.Bind();
  glPolygonMode(GL_FRONT_AND_BACK, GL_FILL);
  Torus.Draw();
   
  // Swap back-buffer to front
  SwapBuffers( GL::m_hDC );
  // Calculate frametime
  QueryPerformanceCounter((LARGE_INTEGER*)(&llTime2));g_fTimeDiff = ((float)llTime2 - (float)llTime1) / (float)llFrequency; 
  g_fTimeElapsed += g_fTimeDiff;
}