18 lines
213 B
Markdown
18 lines
213 B
Markdown
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# Quaternion::Magnitude
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```cpp
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float Magnitude() const
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```
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计算四元数的模长。
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**返回：** `float` - 四元数的模长
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**复杂度：** O(1)
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**示例：**
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```cpp
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float mag = quat.Magnitude();
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```
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