History: Ogre iPhone FAQ
Preview of version: 2
Issues and Troubleshooting
- Viewport::SetOrientation must be called after a frame is rendered to take effect. For example to change to Viewport::OR_PORTRAIT:
mRoot->renderOneFrame(); mCamera->getViewport()->SetOrientation(Viewport::OR_PORTRAIT);
- Current state of Viewport::OR_LANDSCAPELEFT (default value) has known issues related with camera frustum, that deliver early entity clipping and problems with CameraToVieportRay. Change to OR_PORTRAIT while this problem is resolved.