As any particular Camera in your scene renders its view, you can set the clear Flags to clear different collections of the buffer information.

当场景中的任何特定相机进行渲染时，你可以设定清除标记以清除缓冲区信息的不同集合。

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Other examples of direct manipulation are the resizing of a graphic object in a drawing application and the positioning of an object or camera view in a three-dimensional scene.

其他的一些直接操作的例子如在画图类的程序中调整图像的大小，在三维场景中移动对象和视角等。

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Scene is ready, so we want to see result. We have to put camera on the scene and connect it to view.

场景已经准备好了，我们想看一下结果。我们必须把摄像机放入场景中并且与视窗建立连接。

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Eye tracking is accomplished by two small cameras on the rim of the glasses while a scene camera records the field of view of the user.

ENGADGET: SMI Eye-Tracking 3D Glasses use rim-based cameras to adjust perspective

Users can capture a panoramic view by simply turning your camera through the scene.

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