38 lines
745 B
Markdown
38 lines
745 B
Markdown
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# GetFieldOfView
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**所属类**: `CameraComponent`
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**头文件**: `XCEngine/Components/CameraComponent.h`
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**描述**: 获取摄像机的视场角（仅在透视投影模式下有效）。
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## 函数签名
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```cpp
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float GetFieldOfView() const;
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```
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## 返回值
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| 类型 | 描述 |
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|------|------|
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| `float` | 视场角，单位度，默认值为 60.0 |
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## 使用示例
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```cpp
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#include <XCEngine/Components/CameraComponent.h>
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using namespace XCEngine::Components;
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void PrintFOV(CameraComponent* camera) {
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float fov = camera->GetFieldOfView();
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printf("Field of view: %.1f degrees\n", fov);
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}
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```
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## 相关文档
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- [CameraComponent](camera-component.md) - 摄像机组件
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- [SetFieldOfView](set-field-of-view.md) - 设置视场角
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