36 lines
676 B
Markdown
36 lines
676 B
Markdown
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# RectInt::GetBottom
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```cpp
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int32_t GetBottom() const;
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```
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获取矩形下边界 y 坐标。
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**返回：** 矩形下边界 y 坐标（等于 y + height）
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**线程安全：** ✅
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**复杂度：** O(1)
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**示例：**
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```cpp
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#include "XCEngine/Math/Rect.h"
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#include <iostream>
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using namespace XCEngine::Math;
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int main() {
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RectInt rect(10, 20, 100, 50);
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int32_t bottom = rect.GetBottom();
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std::cout << "Bottom: " << bottom << "\n";
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return 0;
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}
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```
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## 相关文档
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- [`RectInt::GetLeft`](getleft.md) - 获取左边界
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- [`RectInt::GetRight`](getright.md) - 获取右边界
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- [`RectInt::GetTop`](gettop.md) - 获取上边界
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- [RectInt 总览](rectint.md)
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