【UE5】 随机创建地形

public:
    // 宽度
    UPROPERTY(EditAnywhere, BlueprintReadWrite, Category = "Map")
    int32 MapWidth;

    // 高度
    UPROPERTY(EditAnywhere, BlueprintReadWrite, Category = "Map")
    int32 MapHeight;

    // 用于生成的块
    UPROPERTY(EditAnywhere, BlueprintReadWrite, Category = "Map")
    TArray<TSubclassOf<AActor>> TileClasses;

void ATileMapGenerator::BeginPlay()
{
    Super::BeginPlay();

    if (TileClasses.Num() > 0)
    {
        for (int32 x = 0; x < MapWidth; ++x)
        {
            for (int32 y = 0; y < MapHeight; ++y)
            {
                // 200f 为块的大小
                FVector Location(x * 200.f, y * 200.f, 0.f);
                FRotator Rotation = FRotator::ZeroRotator;
                FActorSpawnParameters SpawnParams;

                // 随机选择一个图块类
                TSubclassOf<AActor> TileClass = TileClasses[FMath::RandRange(0, TileClasses.Num() - 1)];

                GetWorld()->SpawnActor<AActor>(TileClass, Location, Rotation, SpawnParams);
            }
        }
    }
}