bool ULeapMotionFunctionLibrary::GetBoneWidthAndLength(int32 HandId, ELeapBone LeapBone, float& OutWidth, float& OutLength)
{
OutWidth = 0.0f;
OutLength = 0.0f;
FLeapMotionDevice* LeapDevice = FLeapMotionControllerPlugin::GetLeapDeviceSafe();
if (LeapDevice)
{
LeapDevice->SetReferenceFrameOncePerTick();
return LeapDevice->GetBoneWidthAndLength(HandId, LeapBone, OutWidth, OutLength);
}
return false;
}
void ALeapMotionHandActor::CreateBones(const TSubclassOf<class ALeapMotionBoneActor>& BoneBlueprint)
{
FActorSpawnParameters SpawnParams;
SpawnParams.Owner = GetOwner();
SpawnParams.Instigator = GetInstigator();
float CombinedScale = GetCombinedScale();
FLeapMotionDevice* Device = FLeapMotionControllerPlugin::GetLeapDeviceSafe();
if (Device && Device->IsConnected())
{
for (ELeapBone LeapBone = bShowArm ? ELeapBone::Forearm : ELeapBone::Palm; LeapBone <= ELeapBone::Finger4Tip; ((int8&)LeapBone)++)
{
FVector Position;
FRotator Orientation;
float Width;
float Length;
bool Success = Device->GetBonePostionAndOrientation(HandId, LeapBone, Position, Orientation);
Success &= Device->GetBoneWidthAndLength(HandId, LeapBone, Width, Length);
if (Success)
{
FQuat RefQuat = GetRootComponent()->GetComponentRotation().Quaternion();
Position = RefQuat * Position * CombinedScale + GetRootComponent()->GetComponentLocation();
Orientation = (RefQuat * Orientation.Quaternion()).Rotator();
ALeapMotionBoneActor* BoneActor = GWorld->SpawnActor<ALeapMotionBoneActor>(BoneBlueprint ? BoneBlueprint : ALeapMotionBoneActor::StaticClass(), Position, Orientation, SpawnParams);
if (BoneActor)
{
BoneActors.Add(BoneActor);
# if WITH_EDITOR
BoneActor->SetActorLabel(*FString::Printf(TEXT("LeapBone:%s"), ANSI_TO_TCHAR(LEAP_GET_BONE_NAME(LeapBone))));
# endif
BoneActor->AttachRootComponentToActor(this, NAME_None, EAttachLocation::KeepWorldPosition, true);
BoneActor->Init(LeapBone, CombinedScale, Width, Length, bShowCollider, bShowMesh);
}
}
}
}
}