UE的几种输出方式

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UE的几种输出方式

Log

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UE_LOG(LogTemp, Log, TEXT("This is a log message."));
UE_LOG(LogTemp, Warning, TEXT("This is a warning message."));
UE_LOG(LogTemp, Error, TEXT("This is an error message."));

FString MyString = TEXT("Hello, World!");
UE_LOG(LogTemp, Log, TEXT("MyString: %s"), *MyString);

Debug Draw

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void DrawDebugSphere(UWorld* World, FVector Center, float Radius, int32 Segments, FColor Color, float LifeTime = 0.0f, uint8 DepthPriority = 0, bool bPersistentLines = false)
{
    DrawDebugSphere(World, Center, Radius, Segments, Color, bPersistentLines, LifeTime, DepthPriority);
}

void DrawDebugLine(UWorld* World, FVector LineStart, FVector LineEnd, FColor Color, bool bPersistentLines = false, float LifeTime = 0.0f, uint8 DepthPriority = 0, float Thickness = 0.0f)
{
    DrawDebugLine(World, LineStart, LineEnd, Color, bPersistentLines, LifeTime, DepthPriority, Thickness);
}

void DrawDebugPoint(UWorld* World, FVector Position, float Size, FColor Color, bool bPersistentLines = false, float LifeTime = 0.0f, uint8 DepthPriority = 0)
{
    DrawDebugPoint(World, Position, Size, Color, bPersistentLines, LifeTime, DepthPriority);
}

输出到屏幕上

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GEngine->AddOnScreenDebugMessage(-1, DisplayTime, Color, *Message);