My app currently animates thousands of "mini textures" with SpriteKit. The conversion process for each object of interest is UIView to UIImage to SKTexture to many, many, very small SKTextures (miniTextures). What I'm having trouble with is how to further process only those miniTextures that are "useful."My app currently animates thousands of "mini te
阅读背景：
如何（有效地）测试SKTexture的可见内容？
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