25 lines
429 B
Markdown
25 lines
429 B
Markdown
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# Rect::Contains (float)
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```cpp
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bool Contains(float px, float py) const
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```
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检测浮点坐标点是否在矩形内。
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**参数：**
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- `px` - 点的 x 坐标
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- `py` - 点的 y 坐标
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**返回：** `bool` - 点在矩形内（包含边界）返回 true
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**复杂度：** O(1)
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**示例：**
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```cpp
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Rect screenRect(0.0f, 0.0f, 1920.0f, 1080.0f);
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if (screenRect.Contains(mouseX, mouseY)) {
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// 鼠标在屏幕矩形内
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}
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```
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