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.

Possess — make a Controller possess a Pawn

string

string

Camera

Defines a viewpoint into the world. The active PlayerController's view comes from one camera at a time.

StopJumping — stop the jump action

CapsuleTraceSingle — capsule sweep for collision detection

UnPossess — detach Controller from currently possessed Pawn

BreakHitResult — decompose hit result structure into components

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

StartCameraShake — play camera shake effect

APlayerCameraManager method. Use ClientStartCameraShake on PlayerController.

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