ComposeRotators — add two rotators together

AddActorWorldOffset — move actor by world-space delta

Power — raise base to exponent power

Internal function name is MultiplyMultiply_FloatFloat (operator **).

K2_AddActorWorldOffset — move actor by delta in world space

K2_AddActorWorldOffset.

BooleanAND — logical AND

OR=BooleanOR, NOT=Not_PreBool, XOR=BooleanXOR

Not_PreBool — logical NOT

Pickup and collectible system with overlap trigger

Pattern: Pickup actor with SphereCollision(overlap), StaticMesh visual. OnComponentBeginOverlap → CastTo PlayerCharacter → Success: call AddScore/AddItem interface on player → PlaySoundAtLocation → SpawnEmitterAtLocation → DestroyActor(self). Set collision to OverlapOnlyPawn for performance.

PlayMontage — play an AnimMontage on a SkeletalMeshComponent

Call on the SkeletalMeshComponent. Get it via GetMesh() on Character. Returns montage length. Exec out is 'then'.

Atan2 — two-argument arctangent for angle calculation

Returns radians. Use RadiansToDegrees to convert.

Create a Blueprint for a health pickup that restores health when overlapped by the player