コード例 #1
0
void UFloatingPawnMovement::TickComponent(float DeltaTime, enum ELevelTick TickType, FActorComponentTickFunction *ThisTickFunction)
{
	Super::TickComponent(DeltaTime, TickType, ThisTickFunction);

	if (!PawnOwner || !UpdatedComponent || ShouldSkipUpdate(DeltaTime))
	{
		return;
	}

	const AController* Controller = PawnOwner->GetController();
	if (Controller && Controller->IsLocalController())
	{
		ApplyControlInputToVelocity(DeltaTime);
		LimitWorldBounds();
		bPositionCorrected = false;

		// Move actor
		FVector Delta = Velocity * DeltaTime;

		if (!Delta.IsNearlyZero(1e-6f))
		{
			const FVector OldLocation = UpdatedComponent->GetComponentLocation();
			const FRotator Rotation = UpdatedComponent->GetComponentRotation();
			FVector TraceStart = OldLocation;

			FHitResult Hit(1.f);
			SafeMoveUpdatedComponent(Delta, Rotation, true, Hit);

			if (Hit.IsValidBlockingHit())
			{
				HandleImpact(Hit, DeltaTime, Delta);
				// Try to slide the remaining distance along the surface.
				SlideAlongSurface(Delta, 1.f-Hit.Time, Hit.Normal, Hit, true);
			}

			// Update velocity
			// We don't want position changes to vastly reverse our direction (which can happen due to penetration fixups etc)
			if (!bPositionCorrected)
			{
				const FVector NewLocation = UpdatedComponent->GetComponentLocation();
				Velocity = ((NewLocation - OldLocation) / DeltaTime);
			}
		}
		
		// Finalize
		UpdateComponentVelocity();
	}
};
コード例 #2
0
void UShardsMovementComponent::TickComponent(float DeltaTime, enum ELevelTick TickType, FActorComponentTickFunction *ThisTickFunction)
{
	Super::TickComponent(DeltaTime, TickType, ThisTickFunction);

	FHitResult HitResult;
	FHitResult ShapeTraceResult;
	FCollisionShape shape = FCollisionShape::MakeBox(FVector(0.72f*playerradius, 0.72f*playerradius,10.0f));

	FCollisionQueryParams Params;
	Params.bFindInitialOverlaps = true;
	Params.AddIgnoredActor(UpdatedComponent->GetAttachmentRootActor());

	// Telepads don't count.
	for (TActorIterator<ATelePad> ActorItr(GetWorld()); ActorItr; ++ActorItr) {
		Params.AddIgnoredActor(ActorItr.operator->());
	}

	// Neither do destructibles.
	for (TActorIterator<ADestructibleBox> ActorItr(GetWorld()); ActorItr; ++ActorItr) {
		// When they're broken, that is.
		if (ActorItr->fadetimer >= 0.0f) {
			Params.AddIgnoredActor(ActorItr.operator->());
		}
	}

	if (isclimbing) {
		return;
	}

	TArray<FHitResult> results;
	if (forceregiondirection.Z == 0.0f) {
		GetWorld()->SweepMultiByChannel(results, UpdatedComponent->GetComponentLocation() - 0.0f*45.0f*FVector::UpVector, UpdatedComponent->GetComponentLocation() - 1000.0f*FVector::UpVector, FQuat::Identity, ECC_Visibility, shape, Params); //100
		for (FHitResult r : results) {
			if (r.Normal.Z > 0.6f) {
				ShapeTraceResult = r;
				break;
			}
		}
		if (!ShapeTraceResult.IsValidBlockingHit()) {
			GetWorld()->LineTraceSingleByChannel(ShapeTraceResult, UpdatedComponent->GetComponentLocation(), UpdatedComponent->GetComponentLocation() - 1000.0f*FVector::UpVector, ECC_Visibility, Params);
		}
	}

	FVector PlayerCapsuleBottom = UpdatedComponent->GetComponentLocation() - 45.0f * FVector::UpVector; // 50
	float RequiredDistance = (onground ? 50.0f*grounddetecttfudgefactor : 10.0f)*FMath::Pow(playerhalfheight / 90.0f,4.0f) + playerhalfheight/2.0f; //50,1
	DistanceFromImpact = (PlayerCapsuleBottom - ShapeTraceResult.ImpactPoint).Z;
	overground = ShapeTraceResult.IsValidBlockingHit();

	FHitResult groundhitresult;
	GetWorld()->LineTraceSingleByChannel(groundhitresult, UpdatedComponent->GetComponentLocation(), UpdatedComponent->GetComponentLocation() - 10000.0f*FVector::UpVector, ECC_Visibility, Params);
	groundtracehit = groundhitresult.ImpactPoint;

	if (!onground) {
		offGroundTime += DeltaTime;
	}

	toosteep = false;
	if (enforcementtimer >= 0.0f) {
		enforcementtimer += DeltaTime;
		toosteep = true;
	}
	wasonground = onground;
	onground = false;
	prevgroundvelocity = groundvelocity;
	groundvelocity = FVector::ZeroVector;
	platformangularfrequency = 0.0f;
	platformspindir = 1;
	FloorNormal = FVector::ZeroVector;

	if ((enforcementtimer < timerlimit && ShapeTraceResult.Normal.Z>0.6f) && DistanceFromImpact < RequiredDistance && !justjumped) { // (PlayerVelocity.Z <= 0.0f || wasonground)
		if (ShapeTraceResult.Normal.Z < minnormalz) {
			if (enforcementtimer == -1.0f) {
				enforcementtimer = 0.0f;
			}
		} else {
			enforcementtimer = -1.0f;
		}

		FVector pvel;
		// Handle moving platforms.
		if (ShapeTraceResult.GetActor() != nullptr && ShapeTraceResult.GetComponent() != nullptr && ShapeTraceResult.GetComponent()->IsA(UStaticMeshComponent::StaticClass())) {
			
			// The motion of a point on a rigid body is the combination of its motion about the center of mass...
			FVector angvel = FMath::DegreesToRadians((((UStaticMeshComponent*)ShapeTraceResult.GetComponent())->GetPhysicsAngularVelocity()));
			FVector rr = GetActorLocation() - (((UStaticMeshComponent*)ShapeTraceResult.GetComponent())->GetComponentLocation());
			FVector rvel = FVector::CrossProduct(angvel, rr);

			// ...and the motion of the center of mass itself.
			FVector cmvel = (((UStaticMeshComponent*)ShapeTraceResult.GetComponent())->GetPhysicsLinearVelocity());
			
			groundvelocity = rvel + cmvel;
			platformangularfrequency = -angvel.Z;
		}

		if ((PlayerVelocity.Z <= groundvelocity.Z || wasonground)) {
			onground = true;
			offGroundTime = 0.0f;
		}
	}

	justjumped = false;

	bool TraceBlocked;
	FVector newlocation = UpdatedComponent->GetComponentLocation();

	FHitResult TraceHitResult;
	TraceBlocked = GetWorld()->LineTraceSingleByChannel(TraceHitResult, ShapeTraceResult.ImpactPoint + 1.0f*FVector::UpVector, ShapeTraceResult.ImpactPoint - 10.0f*FVector::UpVector, ECC_Visibility,Params);
	if (TraceHitResult.Normal.Z > minnormalz) {
		enforcementtimer = -1.0f;
	}

	if (onground) {

		if (TraceBlocked) {
			newlocation.Z = TraceHitResult.ImpactPoint.Z + playerhalfheight; // 50
			GetWorld()->LineTraceSingleByChannel(TraceHitResult, ShapeTraceResult.ImpactPoint + 1.0f*FVector::UpVector, ShapeTraceResult.ImpactPoint - 10.0f*FVector::UpVector, ECC_Visibility,Params);
			FloorNormal = TraceHitResult.ImpactNormal;
		}

		SafeMoveUpdatedComponent(newlocation - UpdatedComponent->GetComponentLocation(), UpdatedComponent->GetComponentRotation(), true, HitResult);
		SlideAlongSurface(newlocation - UpdatedComponent->GetComponentLocation(), 1.0 - HitResult.Time, HitResult.Normal, HitResult);
	}
};