Given the cost of rebuilding the texture atlases, it is imperative to minimize during rebuilds.

鉴于重建纹理图集的成本，就必须在重建过程中尽量减少重建纹理图集。

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Use texture atlases (large images containing a collection of sub-images) instead of a number of individual textures. These are faster to load, have fewer state switches, and are batching friendly.

使用纹理精灵（一张大贴图里包含了很多子贴图）来代替一系列单独的小贴图。它们可以更快地被加载，具有很少的状态转换，而且批处理更友好。

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