36 lines
668 B
Markdown
36 lines
668 B
Markdown
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# RectInt::GetTop
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```cpp
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int32_t GetTop() const;
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```
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获取矩形上边界 y 坐标。
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**返回：** 矩形上边界 y 坐标（等于 y 成员变量）
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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 top = rect.GetTop();
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std::cout << "Top: " << top << "\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::GetBottom`](getbottom.md) - 获取下边界
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- [RectInt 总览](rectint.md)
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