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7.2.2.1在切线空间下计算从模型到切线空间的变换矩阵 #335

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ANKIIMA opened this issue May 21, 2023 · 1 comment
Open

7.2.2.1在切线空间下计算从模型到切线空间的变换矩阵 #335

ANKIIMA opened this issue May 21, 2023 · 1 comment

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@ANKIIMA
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ANKIIMA commented May 21, 2023

“在4.6.2节中我们已经知道，如果一个变换中仅存在平移和旋转变换，那么这个变换的逆矩阵就等于它的转置矩阵”，这里“平移”是不是要换成统一缩放或删除呢？TBN矩阵之所以是正交的体现在，由于对坐标轴的平移变换没有作用，因此只需要3*3的旋转矩阵，缩放也不需要，这里和第四章叙述的内容似乎并不一致。
@spicy-ice
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spicy-ice commented May 21, 2023 via email

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@spicy-ice @ANKIIMA