ProjectPointToNavigation — snap a point to the nearest nav mesh

AddImpulse — apply instant impulse to physics body

One-shot force. bVelChange=true treats Impulse as velocity change.

SetViewTargetWithBlend — smoothly blend camera to a new view target

BlendTime in seconds. BlendFunc: VTBlend_Linear, VTBlend_Cubic, VTBlend_EaseIn, VTBlend_EaseOut. Call on the PlayerController.

StartCameraShake — play camera shake effect

APlayerCameraManager method. Use ClientStartCameraShake on PlayerController.

BooleanAND — logical AND

OR=BooleanOR, NOT=Not_PreBool, XOR=BooleanXOR

EventHit — fires when actor is hit by or hits something

Requires Simulation Generates Hit Events on physics body.

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.

BreakTransform — split Transform into Location, Rotation, Scale

Smooth camera follow with spring arm using RInterpTo

Pattern in PlayerController or Character: EventTick → GetControlRotation → RInterpTo(Current=CurrentCameraRot, Target=ControlRotation, DeltaTime=DeltaSeconds, InterpSpeed=10.0) → SetControlRotation(NewRotation=InterpResult). OR: use SpringArmComponent with CameraLagSpeed and bEnableCameraLag=true for physics-based follow. RInterpTo: 'Current' and 'Target' are Rotators. DeltaTime from Tick's 'DeltaSeconds' output.

BreakHitResult — decompose hit result structure into components

UGameplayStatics::BreakHitResult. Most important outputs: bBlockingHit, ImpactPoint, ImpactNormal, HitActor, HitComponent.