arkit

Sometimes ARKit creates plane over existing one. It doesn't merge them. I am testing ARKit with iPhone 7 in closed space. Object placed on that plane appears to float in space. This scenario doesn't happen often, and I can't reproduce it all the time. Can someone tell me how to prevent overlapping and floating planes to appear? Or how to place 3D object on bottom plane? Here is the code for drawing planes. func createPlaneNode(center: vector_float3, extent: vector_float3) -> SCNNode { let plane = SCNPlane(width: CGFloat(extent.x), height: CGFloat(extent.z)) let planeMaterial = SCNMaterial()

In my iOS app I want to introduce a part of AR using the new Reality Composer. In my project I load a scene with this code: let arView = ARView.init(frame: frame) // Configure the AR session for horizontal plane tracking. let arConfiguration = ARWorldTrackingConfiguration() arConfiguration.planeDetection = .horizontal arView.session.run(arConfiguration) arView.session.delegate = self self.view.addSubview(arView) Experience.loadSceneAsync{ [weak self] scene, error in print("Error \(String(describing: error))") guard let scene = scene else { return } arView.scene.addAnchor(scene) // THIS IS THE

I am learning ARKit and trying to place an object on a detected plane. But it doesn't work properly and there's a space between the plane and the 3D object. here's my code for the plane detection : func renderer(_ renderer: SCNSceneRenderer, didAdd node: SCNNode, for anchor: ARAnchor) { position = SCNVector3Make(anchor.transform.columns.3.x, anchor.transform.columns.3.y, anchor.transform.columns.3.z) guard let planeAnchor = anchor as? ARPlaneAnchor else { return } let plane = SCNPlane(width: CGFloat(planeAnchor.extent.x), height: CGFloat(planeAnchor.extent.z)) planeNode = SCNNode(geometry:

I'm running face landmark detection using the front-facing camera on iPhone X, and am trying very hard to get 3D points of face landmarks (VNFaceLandmarkRegion2D gives image coordinates X, Y only). I've been trying to use either the ARSCNView.hitTest or ARFrame.hitTest , but am so far unsuccessful. I think my error may be in converting the initial landmark points to the correct coordinate system. I've tried quite a few permutations, but currently based on my research this is what I've come up with: let point = CGPoint(x: landmarkPt.x * faceBounds.width + faceBounds.origin.x, y: (1.0 -

I'm trying to debug why our SceneKit-based app is using so much memory but Xcode and Instruments / Allocations seem to have very different values for the amount of memory being used. When I look in Xcode I see something like 600 MB but when I transfer the same running session over to Instruments / Allocations, I see a very different number for persistent bytes, like 150 MB . Which one is correct? Why the difference? Are they measuring different things? (Regardless of whether I Transfer an Xcode debug session or start fresh in Instruments, it doesn't seem to make much difference.) The reason

Tried ARKit to show WKWebView and all I got is a page that shows background but no foreground. The page can be scrolled though. I attached Apple web page as screenshot. Here's the code: DispatchQueue.main.async { let webView = WKWebView(frame: CGRect(x: 0, y: 0, width: 640, height: 480)) let request = URLRequest(url: URL(string: "https://www.apple.com")!) webView.load(request) plane.firstMaterial?.diffuse.contents = webView } Does that mean ARKit cannot display web page? I am using iOS 12 beta 2 running ARKit 2. I have also switch off App Transport Security Settings and allow arbitrary load. I