docs: update math API docs

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2026-03-20 02:35:15 +08:00
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# Matrix4::RotationY
# Matrix4x4::RotationY
```cpp
static Matrix4 RotationY(float radians)
static Matrix4x4 RotationY(float radians)
```
创建绕 Y 轴旋转的矩阵。
创建绕 Y 轴旋转的矩阵。角度为正时,按右手定则逆时针旋转。
**参数:**
- `radians` - 旋转角度(弧度)
**返回:** `Matrix4` - 旋转矩阵
**返回:** 绕 Y 轴旋转矩阵
**线程安全:**
**复杂度:** O(1)
**示例:**
```cpp
Matrix4 rotY = Matrix4::RotationY(Math::HALF_PI);
#include "XCEngine/Math/Matrix4.h"
#include "XCEngine/Math/Vector3.h"
using namespace XCEngine::Math;
Matrix4 rotY = Matrix4::RotationY(3.14159265f / 2.0f); // 90 度
Vector3 point(1.0f, 0.0f, 0.0f);
Vector3 rotated = rotY.MultiplyVector(point);
// point 绕 Y 轴旋转 90 度
```
## 相关文档
- [Matrix4](matrix4.md) - 返回类总览
- [RotationX](rotationx.md) - 绕 X 轴旋转
- [RotationZ](rotationz.md) - 绕 Z 轴旋转