[UE4]SetViewTargetWithBlend用法(C++)

const float TimeBetweenCameraChanges = 2.0f;
const float SmoothBlendTime = 0.75f;
TimeToNextCameraChange -= DeltaTime;
if (TimeToNextCameraChange <= 0.0f)
{
    TimeToNextCameraChange += TimeBetweenCameraChanges;

    // Find the actor that handles control for the local player.
    APlayerController* OurPlayerController = UGameplayStatics::GetPlayerController(this, 0);
    if (OurPlayerController)
    {
        if ((OurPlayerController->GetViewTarget() != CameraOne) && (CameraOne != nullptr))
        {
            // Cut instantly to camera one.
            OurPlayerController->SetViewTarget(CameraOne);
        }
        else if ((OurPlayerController->GetViewTarget() != CameraTwo) && (CameraTwo != nullptr))
        {
            // Blend smoothly to camera two.
            OurPlayerController->SetViewTargetWithBlend(CameraTwo, SmoothBlendTime);
        }
    }
}

官方文档：

https://docs.unrealengine.com/latest/INT/Programming/Tutorials/AutoCamera/2/index.html