28 lines
478 B
Markdown
28 lines
478 B
Markdown
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# Vector3::Magnitude
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```cpp
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float Magnitude() const
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```
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计算向量的长度（模）。
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**返回：** `float` - 向量的长度
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**线程安全：** ✅
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**复杂度：** O(1)
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**示例：**
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```cpp
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Vector3 v(3.0f, 4.0f, 0.0f);
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float mag = v.Magnitude(); // 5.0f
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```
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## 相关文档
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- [Vector3 总览](vector3.md)
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- [`SqrMagnitude`](sqrmagnitude.md) - 长度的平方
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- [`Normalized`](normalized.md) - 归一化副本
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- [`static Magnitude`](magnitude.md) - 静态版本
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