# FFocalLengthInfo (/zh-CN/api-reference/rtc/unreal-blueprint/class-focallengthinfo)

> For AI agents: see the complete documentation index at [llms.txt](/llms.txt).

<a id="class_focallengthinfo__prototype"></a>

```cpp
USTRUCT(BlueprintType)
struct FFocalLengthInfo {
	GENERATED_BODY()
public:
	UPROPERTY(VisibleAnywhere, BlueprintReadWrite, Category = "Agora|FFocalLengthInfo")
	int cameraDirection = 0;
	UPROPERTY(VisibleAnywhere, BlueprintReadWrite, Category = "Agora|FFocalLengthInfo")
	ECAMERA_FOCAL_LENGTH_TYPE focalLengthType = ECAMERA_FOCAL_LENGTH_TYPE::CAMERA_FOCAL_LENGTH_DEFAULT;
	FFocalLengthInfo(){}
	FFocalLengthInfo(const agora::rtc::FocalLengthInfo & AgoraData){
		cameraDirection = AgoraData.cameraDirection;
		focalLengthType = static_cast<ECAMERA_FOCAL_LENGTH_TYPE>(AgoraData.focalLengthType);
	}
	agora::rtc::FocalLengthInfo CreateAgoraData() const {
		agora::rtc::FocalLengthInfo AgoraData;
		AgoraData.cameraDirection = cameraDirection;
		AgoraData.focalLengthType = static_cast<agora::rtc::CAMERA_FOCAL_LENGTH_TYPE>(focalLengthType);
		return AgoraData;
	}
	void FreeAgoraData(agora::rtc::FocalLengthInfo& AgoraData) const {
	}
};
```

<a id="class_focallengthinfo__detailed_desc"></a>

### 详情 [#详情]

:::caution
注意： 仅适用于 Android 和 iOS。
:::

<a id="class_focallengthinfo__parameters"></a>

## 参数 [#参数]

<ParameterList>
<a id="cameradirection"></a>
<Parameter name="cameraDirection">

摄像头方向。详见 [ECAMERA_DIRECTION](/zh-CN/api-reference/rtc/unreal-blueprint/enum-cameradirection)。

</Parameter>
<a id="focallengthtype"></a>
<Parameter name="focalLengthType">

焦距类型。详见 [ECAMERA_FOCAL_LENGTH_TYPE](/zh-CN/api-reference/rtc/unreal-blueprint/enum-camerafocallengthtype)。

</Parameter>
</ParameterList>