get interaction ray to render by calling RegisterComponent()

Source/WidgetInteraction/Private/VRWidgetInteractionComponent.cpp

@@ -12,16 +12,18 @@
 
 UVRWidgetInteractionComponent::UVRWidgetInteractionComponent() {
 	InteractionRay = CreateDefaultSubobject<UStaticMeshComponent>(TEXT("Interaction Ray"));
-  auto MeshAsset = ConstructorHelpers::FObjectFinder<UStaticMesh>(TEXT("/WidgetInteraction/Ray_Mesh"));
+
+	//this ray model as a inlayed cross with flipped normals so it can be seen as a cross in desktop mode where the right hand is attached to the head
+	static ConstructorHelpers::FObjectFinder<UStaticMesh> MeshAsset(TEXT("/WidgetInteraction/Ray_Mesh"));
 	if (MeshAsset.Object != nullptr)
 	{
 		InteractionRay->SetStaticMesh(MeshAsset.Object);
-    InteractionRay->AttachToComponent(this, FAttachmentTransformRules::KeepRelativeTransform);
-    //InteractionRay->SetRelativeRotation(FRotator(0, 90, 0));
 	}
+
+	bShowDebug = false;
 }
 
-void UVRWidgetInteractionComponent::Init()
+void UVRWidgetInteractionComponent::Init(USceneComponent * parent)
 {
 	SetVisibility(true);
 	InteractionDistance = 1000000.0f;
@@ -32,10 +34,16 @@ void UVRWidgetInteractionComponent::Init()
 	input_cmp->BindAction<FFireDelegate>("Fire", IE_Released, this, &UVRWidgetInteractionComponent::OnFire, false);
 
 	RegisterComponent();
+	InteractionRay->RegisterComponent();
+
+	if (parent != nullptr) {
+		InteractionRay->AttachToComponent(parent, FAttachmentTransformRules::KeepRelativeTransform);
+		this->AttachToComponent(parent, FAttachmentTransformRules::KeepRelativeTransform);
+	}
 }
 
 void UVRWidgetInteractionComponent::SetVisibility(bool visible) {
-  bShowDebug = visible;
+  InteractionRay->SetVisibility(visible);
 }
 
 void UVRWidgetInteractionComponent::OnFire(bool val)

Source/WidgetInteraction/Private/WidgetInteraction.cpp

@@ -65,8 +65,7 @@ UVRWidgetInteractionComponent* FWidgetInteractionModule::GetWidgetInteractionCom
 void FWidgetInteractionModule::CreateWidgetInteraction(USceneComponent * parent, AVirtualRealityPawn* outer)
 {
   widget_interaction_cmp_ = NewObject<UVRWidgetInteractionComponent>(outer, UVRWidgetInteractionComponent::StaticClass());
-  widget_interaction_cmp_->AttachToComponent(parent, FAttachmentTransformRules(EAttachmentRule::KeepRelative, false));
-  widget_interaction_cmp_->Init();
+  widget_interaction_cmp_->Init(parent);
 }
 
 #undef LOCTEXT_NAMESPACE

Source/WidgetInteraction/Public/VRWidgetInteractionComponent.h

@@ -18,7 +18,7 @@ class WIDGETINTERACTION_API UVRWidgetInteractionComponent : public UWidgetIntera
 public:
 	UVRWidgetInteractionComponent();
 
-	void Init();
+	void Init(USceneComponent * parent);
 
 	void SetVisibility(bool visible);