34 lines
619 B
Markdown
34 lines
619 B
Markdown
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# Viewport::GetAspectRatio
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```cpp
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float GetAspectRatio() const;
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```
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获取视口宽高比。
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**返回：** 宽高比 (width / height)，如果 height 为 0 则返回 0.0f
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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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Viewport viewport(0.0f, 0.0f, 1920.0f, 1080.0f);
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float aspect = viewport.GetAspectRatio();
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std::cout << "Aspect Ratio: " << aspect << "\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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- [`Viewport::GetRect`](getrect.md) - 转换为 Rect
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- [Viewport 总览](viewport.md)
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