19 lines
253 B
Markdown
19 lines
253 B
Markdown
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# Matrix4::GetRotation
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```cpp
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Quaternion GetRotation() const
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```
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从矩阵中提取旋转分量。
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**返回：** `Quaternion` - 旋转四元数
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**复杂度：** O(1)
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**示例：**
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```cpp
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Matrix4 m = ...;
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Quaternion rotation = m.GetRotation();
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```
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