Look out, Harry Potter: researchers have advanced the study of cloaking-rendering objects invisible by forcing light waves to act as if the objects weren't there.

哈利·波特，请注意：研究者们在隐身衣(隐身衣通过对光波的作用，使得物体看起好像来并不存在)方面的研究又有了进展。

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Drawing API calls are particularly expensive because they usually create objects, such as the scroll bar, dynamically on the Stage before rendering them via the rasterizer.

绘图api的调用特别昂贵，因为它们通常会创建对象，如滚动条，在通过光栅渲染他们之前动态加载到舞台上。

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In FSX, the 'rendering' or 'drawing' of this objects, occurs, on a per 'frame' basis..

在FSX，渲染和绘制物件，都是以帧为基础. .。

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The game engine is the core component of a video game because it handles graphics rendering, game AI, and how objects behave and relate to each other in a game.

BBC: Screenshot Tara at work in the Encounter game

But what happens is that as the gestures pile up, or more and more objects are being manipulated simultaneously, the rendering engines choke and the smoothness of the movement pauses or breaks altogether.

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