docs/api/math/viewport/getaspectratio.md

# Viewport::GetAspectRatio

```cpp
float GetAspectRatio() const
```

获取视口宽高比。

**返回：** `float` - 宽高比 (width / height)，height 为 0 时返回 0.0f

**复杂度：** O(1)

**示例：**

```cpp
Viewport viewport(0, 0, 1920, 1080);
float aspect = viewport.GetAspectRatio();  // 1.777... (16:9)
```
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+								# Viewport::GetAspectRatio
 								```cpp
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+								float GetAspectRatio() const
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+								```
 								获取视口宽高比。
-												Update API documentation and remove obsolete plan files

											
										
										
											2026-03-21 15:55:04 +08:00
+								**返回：** `float` - 宽高比 (width / height)，height 为 0 时返回 0.0f
-												docs: update math API docs

											
										
										
											2026-03-20 02:35:15 +08:00
 								**复杂度：** O(1)
 								**示例：**
 								```cpp
-												Update API documentation and remove obsolete plan files

											
										
										
											2026-03-21 15:55:04 +08:00
+								Viewport viewport(0, 0, 1920, 1080);
 								float aspect = viewport.GetAspectRatio();  // 1.777... (16:9)
-												docs: update math API docs

											
										
										
											2026-03-20 02:35:15 +08:00
+								```