UKismetArrayLibrary::Array_Shuffle
#include "Kismet/KismetArrayLibrary.h"
Access: public
Specifiers: staticBlueprintCallableCustomThunk
Description
Randomizes the order of the elements in an array in place using the engine's global random stream.
Caveats & Gotchas
- • Uses the engine's global RNG (FMath::Rand-based), not a seeded FRandomStream — use Array_ShuffleFromStream if you need a deterministic, reproducible shuffle.
- • Shuffles in place and mutates TargetArray directly; there is no non-mutating overload that returns a shuffled copy.
Signature
static void Array_Shuffle(UPARAM(ref) TArray<int32>& TargetArray);Parameters
| Name | Type | Description | Default |
|---|---|---|---|
| TargetArray | UPARAM(ref) TArray<int32>& | The array to shuffle in place. | — |
Return Type
void Example
Shuffle a deck of card indices C++
TArray<int32> Deck;
for (int32 i = 0; i < 52; ++i) { Deck.Add(i); }
UKismetArrayLibrary::Array_Shuffle(Deck);Tags
Version History
Introduced in: unknown
| Version | Status | Notes |
|---|---|---|
| 5.6 | stable | — |
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