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Unreal Engine C++ API Reference > Runtime > Engine > Components > UAudioComponent
- UAudioComponent::FadeIn()
- UAudioCurveSourceComponent::FadeIn()
References
| Module | Engine |
| Header | /Engine/Source/Runtime/Engine/Classes/Components/AudioComponent.h |
| Include | #include "Components/AudioComponent.h" |
| Source | /Engine/Source/Runtime/Engine/Private/Components/AudioComponent.cpp |
virtual void FadeIn
&40;
float FadeInDuration,
float FadeVolumeLevel,
float StartTime,
const EAudioFaderCurve FadeCurve
&41;
Remarks
This function allows designers to call Play on an Audio Component instance while applying a volume curve over time. Parameters allow designers to indicate the duration of the fade, the curve shape, and the start time if seeking into the sound.
Parameters
| Name | Description |
|---|---|
| FadeInDuration | How long it should take to reach the FadeVolumeLevel |
| FadeVolumeLevel | The percentage of the AudioComponents's calculated volume to fade to |
| FadeCurve | The curve to use when interpolating between the old and new volume |