在实际生活和工作中，人们可以对数码照相机拍摄下来的照片进行编辑和修饰，还可以在原图像基础上制作特效效果。
In real life and work, people can refine and edit the pictures of digital from camera, and make magic effect base on the origin image.
其意味着照相机到对象之间距离的改变，因此视点替用特效的分辨率也可能发生适当的改变。
This means that the camera's distance to the object is changing, so the impostor's resolution may need to change as well.
当照相机显著地移动时，引擎也只不过重新渲染下视点替用特效，并且，你可以很好的去获得其它的帧。
When the camera does move significantly, the engine simply re-renders the impostor, and you're good to go for another couple of frames.
当照相机显著地移动时，引擎也只不过重新渲染下视点替用特效，并且，你可以很好的去获得其它的帧。
When the camera does move significantly, the engine simply re-renders the impostor, and you're good to go for another couple of frames.
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