message: Fix drawing bug
diff: @@ -33,7 +33,7 @@ int main()
  camera->setPosition(core::vector3df(0,0,-10));
  camera->setTarget(core::vector3df(0,0,0));
  camera->setNearValue(0.01f);
  - camera->setFarValue(10.0f);
  + camera->setFarValue(100.0f);
  smgr->setActiveCamera(camera);
  @@ -42,7 +42,7 @@ int main()
  while(device->run())
  if (device->isWindowActive())
  {
  - driver->beginScene(true, false, video::SColor(255,255,255,255));
  + driver->beginScene(true, true, video::SColor(255,255,255,255));
  smgr->drawAll();
  @@ -67,6 +67,8 @@ int main()
  }
  }
  + draw3DLine->drop();
  +
  //create a screenshot
  video::IImage* screenshot = driver->createImage(video::ECF_A8R8G8B8,params.WindowSize);
  glReadPixels(0,0, params.WindowSize.Width,params.WindowSize.Height, GL_BGRA, GL_UNSIGNED_INT_8_8_8_8_REV, screenshot->getData());
  