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视角旋转操作优化 #2

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SmartHypercube opened this issue Sep 23, 2018 · 0 comments

SmartHypercube commented Sep 23, 2018

当用鼠标上下拖动把魔方翻到“背面”时，左右的拖动就反了，感觉很不自然。我见到过在任何角度都能自然地拖动的设计，在我的理解中这应该需要用四元数来表示视角并计算拖动（然而我并不懂这之后的数学了……

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