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View Code? Open in Web Editor NEW时间宇宙APP,效果
License: MIT License
时间宇宙APP,效果
License: MIT License
1、平移手势在屏幕上滑动产生的是一个XOY平面向量,然后这个向量被传入到旋转点的矩阵算法中。我想知道其中涉及到的正余弦的计算与传入的向量是什么关系?用的是什么原理。
2、用矩阵旋转点坐标的算法中,你用的是什么坐标系?
3、DBSphereView.m中39行3 - sqrt(5)代表的是什么意义?
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