反之，如果您禁用了深度缓冲，那么必须在绘制3d对象的顺序上付出一定精力。

Conversely, if you disable the depth buffer, you have to pay attention to the order in which you draw your 3d objects.

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通过使用深度缓冲，对象可得到正确的渲染。

By using the depth buffer, objects are rendered correctly.

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您可以更改两个属性：深度缓冲与投影，如清单7所示。

You can change the two properties, depth buffer and projection, as Listing 7 shows.

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