如果你使用的是简单的对象如球体的话，你还需要通过设定“原始标志”(“ primitive flags ”)以开启纹理贴图功能。

If you are using a simple object like a sphere then you will also have to enable texturing by setting the "primitive flags".

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带Alpha通道贴图的物体必须允许显示在它们后面的环境，但是如果背静是另一个Alpha通道，那么你需要通过另一个设定优先权。

Objects with alpha textures must allow the environment behind them to be displayed but if the background is another alpha, you will need to prioritize one over the other.

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