Side note: I’ve found that some people don’t like or don’t understand Test-Driven Development, because they assume that in TDD you’re supposed to test every implementation detail in isolation. That would be indeed a waste. But that’s not how people do TDD (especially in Chicago/Detroit School of TDD). Previous paragraphs have already explained what the suggested approach looks like.
March 2, 2026March 2, 2026
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这是最基础的构建模块。BoxGeometry 就像捏泥人时的方块，SphereGeometry 则是球体。注意 widthSegments 参数，它决定了球体的精细度——段数越多，球越圆，但计算量也越大。
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