尤其是运用最新的渲染、纹理贴图、光线追踪和光能传递技术，你可以使一个物体真像是大理石或者橡胶或者凡是你所想到的物体所制成的。
Especially with the latest techniques in rendering, texture mapping, ray tracing and radiosity, you can make an object look just like it's made of marble or rubber or whatever you wish.
阴影贴图和光线追踪看起来都很不错，而区域阴影看上去能被用于另一些场景中。
Shadow Map and Ray Traced both look brilliant, while the Area Shadows looks like it could use some work.
当一个物体空间的法线贴图告诉一个面，它被期望接受来自物体左边的光线，它就会这样做，即使这个面实际是指向光源的。
When an object space normal map tells a face it's supposed to receive light coming from the left of the object it will always do so, even if the face is pointing away from the light source.
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