docs: update math API docs

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2026-03-20 02:35:15 +08:00
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# RectInt::GetCenter
```cpp
Vector2 GetCenter() const;
```
获取矩形中心点坐标。
**返回:** 表示矩形中心点的 Vector2转换为浮点
**线程安全:**
**复杂度:** O(1)
**示例:**
```cpp
#include "XCEngine/Math/Rect.h"
#include <iostream>
using namespace XCEngine::Math;
int main() {
RectInt rect(10, 20, 100, 50);
Vector2 center = rect.GetCenter();
std::cout << "Center: (" << center.x << ", " << center.y << ")\n";
return 0;
}
```
## 相关文档
- [`RectInt::GetPosition`](getposition.md) - 获取位置
- [`RectInt::GetSize`](getsize.md) - 获取尺寸
- [RectInt 总览](rectint.md)