docs/api/math/rectint/contains.md

# RectInt::Contains

```cpp
bool Contains(int32_t px, int32_t py) const
```

检测整数坐标点是否在矩形内。

**参数：**
- `px` - 点的 x 坐标
- `py` - 点的 y 坐标

**返回：** `bool` - 点在矩形内（包含边界）返回 true

**复杂度：** O(1)

**示例：**

```cpp
RectInt rect(0, 0, 1920, 1080);
if (rect.Contains(pixelX, pixelY)) {
    // 像素在矩形内
}
```
docs: update math API docs 2026-03-20 02:35:15 +08:00			`# RectInt::Contains`

			```cpp
Update API documentation and remove obsolete plan files 2026-03-21 15:55:04 +08:00			`bool Contains(int32_t px, int32_t py) 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			`检测整数坐标点是否在矩形内。`
docs: update math API docs 2026-03-20 02:35:15 +08:00
			`参数：`
			- `px` - 点的 x 坐标
			- `py` - 点的 y 坐标

Update API documentation and remove obsolete plan files 2026-03-21 15:55:04 +08:00			返回： `bool` - 点在矩形内（包含边界）返回 true
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(0, 0, 1920, 1080);`
			`if (rect.Contains(pixelX, pixelY)) {`
			`// 像素在矩形内`
docs: update math API docs 2026-03-20 02:35:15 +08:00			`}`
			```