【ue4】測量代碼運行時間

auto start = FDateTime::Now().GetTimeOfDay().GetTotalMilliseconds();
//customMesh
//mesh->SetCollisionEnabled(ECollisionEnabled::NoCollision);
//customMesh
mesh->CreateMeshSection(0/*id*/, vertices, triangles, TArray<FVector>(), TArray<FVector2D>(), TArray<FColor>(), TArray<FProcMeshTangent>(), true);

auto end = FDateTime::Now().GetTimeOfDay().GetTotalMilliseconds();
auto delta = start - end;
UE_LOG(LogTemp, Warning, TEXT("mesh spent %f ms"), delta);