docs: update math API docs

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2026-03-20 02:35:15 +08:00
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# Quaternion::Dot
```cpp
float Dot(const Quaternion& other) const
float Dot(const Quaternion& other) const;
```
计算两个四元数的点积。
计算两个四元数的点积(各分量相乘后求和)
**参数:**
- `other` - 另一个四元数
**返回:** `float` - 点积结果
**返回:** 点积结果
**线程安全:**
**复杂度:** O(1)
**示例:**
```cpp
float dot = quat1.Dot(quat2);
#include <XCEngine/Math/Quaternion.h>
using namespace XCEngine::Math;
Quaternion q1 = Quaternion::Identity();
Quaternion q2 = Quaternion::FromAxisAngle(Vector3::Up(), Math::Radians(90.0f));
float dot = q1.Dot(q2);
```
## 相关文档
- [Quaternion](quaternion.md) - 返回类总览
- [Magnitude](magnitude.md) - 求模长