docs/api/math/rectint/getbottom.md

# RectInt::GetBottom

```cpp
int32_t GetBottom() const
```

获取矩形下边界。

**返回：** `int32_t` - 下边界坐标 (y + height)

**复杂度：** O(1)

**示例：**

```cpp
RectInt rect(10, 20, 100, 50);
int32_t bottom = rect.GetBottom();  // 70
```
docs: update math API docs 2026-03-20 02:35:15 +08:00			`# RectInt::GetBottom`

			```cpp
Update API documentation and remove obsolete plan files 2026-03-21 15:55:04 +08:00			`int32_t GetBottom() const`
docs: update math API docs 2026-03-20 02:35:15 +08:00			```

Update API documentation and remove obsolete plan files 2026-03-21 15:55:04 +08:00			`获取矩形下边界。`
docs: update math API docs 2026-03-20 02:35:15 +08:00
Update API documentation and remove obsolete plan files 2026-03-21 15:55:04 +08:00			返回： `int32_t` - 下边界坐标 (y + height)
docs: update math API docs 2026-03-20 02:35:15 +08:00
			`复杂度： O(1)`

			`示例：`

			```cpp
Update API documentation and remove obsolete plan files 2026-03-21 15:55:04 +08:00			`RectInt rect(10, 20, 100, 50);`
			`int32_t bottom = rect.GetBottom(); // 70`
docs: update math API docs 2026-03-20 02:35:15 +08:00			```