25 lines
401 B
Markdown
25 lines
401 B
Markdown
# 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
|
|
}
|
|
```
|