Discuss spatial computing on Apple platforms and how to design and build an entirely new universe of apps and games for Apple Vision Pro.

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Guided Access - Detect when setup (Eyes + Hands) is done
Hello, I am building a kiosk-style app for VisionOS which will be used in Guided Access mode, to be given to various visitors. So each of them will do hands + eyes setup, standard Guided Access thing. I want my experience to auto-start playing content when setup is done. I looked everywhere, but found no way do detect whether setup is complete? Also adding any kind of interface to start the app manually is risky, since buttons etc remain visible an interactable WHILE setup takes place. Delay-based approach also wont work, since setup can be skipped, or failed, or be done quickly, slowly... So it takes between 10 seconds and a few minutes. So the question is - is there any way to get notification, or check some bool or something that will tell me that Hands + Eyes setup in Guided mode is complete (or skipped)? Thanks in advance!
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Feb ’26
visionOS plane anchor rotation and wall direction are inconsistent
I have a problem with the wall plane detection using visionOS/ARKit: I am using ARKitSession's PlaneDetectionProvider detection.wall in the space of visionOS. I recorded the position and rotation information of the first detected plane, but found that the rotation value will be facing when the user starts the space. There is a deviation in different directions. That is to say, even if the plane is located on the same wall, the rotation quaternion will be different. I hope that no matter from which direction the user enters the scan, the real direction of the wall can be correctly obtained so that the virtual content can be accurately aligned with the wall. I have tried to use anchor.originFromAnchorTransform or Transform.rotation directly, but the rotation value is still affected by the user's initial orientation. In addition, I would like to know whether the user's initial orientation will affect the location information. If so, please provide a solution. Thank you!
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558
Sep ’25
Bouncy ball in RealityKit - game
I'm developing a VisionOS app with bouncing ball physics and struggling to achieve natural bouncing behavior using RealityKit's physics system. Despite following Apple's recommended parameters, the ball loses significant energy on each bounce and doesn't behave like a real basketball, tennis ball, or football would. With identical physics parameters (restitution = 1.0), RealityKit shows significant energy loss. I've had to implement a custom physics system to compensate, but I want to use native RealityKit physics. It's impossible to make it work by applying custom impulses. Ball Physics Setup (Following Apple Forum Recommendations) // From PhysicsManager.swift private func createBallEntityRealityKit() -> Entity { let ballRadius: Float = 0.05 let ballEntity = Entity() ballEntity.name = "bouncingBall" // Mesh and material let mesh = MeshResource.generateSphere(radius: ballRadius) var material = PhysicallyBasedMaterial() material.baseColor = .init(tint: .cyan) material.roughness = .float(0.3) material.metallic = .float(0.8) ballEntity.components.set(ModelComponent(mesh: mesh, materials: [material])) // Physics setup from Apple Developer Forums let physics = PhysicsBodyComponent( massProperties: .init(mass: 0.624), // Seems too heavy for 5cm ball material: PhysicsMaterialResource.generate( staticFriction: 0.8, dynamicFriction: 0.6, restitution: 1.0 // Perfect elasticity, yet still loses energy ), mode: .dynamic ) ballEntity.components.set(physics) ballEntity.components.set(PhysicsMotionComponent()) // Collision setup let collisionShape = ShapeResource.generateSphere(radius: ballRadius) ballEntity.components.set(CollisionComponent(shapes: [collisionShape])) return ballEntity } Ground Plane Physics // From GroundPlaneView.swift let groundPhysics = PhysicsBodyComponent( massProperties: .init(mass: 1000), material: PhysicsMaterialResource.generate( staticFriction: 0.7, dynamicFriction: 0.6, restitution: 1.0 // Perfect bounce ), mode: .static ) entity.components.set(groundPhysics) Wall Physics // From WalledBoxManager.swift let wallPhysics = PhysicsBodyComponent( massProperties: .init(mass: 1000), material: PhysicsMaterialResource.generate( staticFriction: 0.7, dynamicFriction: 0.6, restitution: 0.85 // Slightly less than ground ), mode: .static ) wall.components.set(wallPhysics) Collision Detection // From GroundPlaneView.swift content.subscribe(to: CollisionEvents.Began.self) { event in guard physicsMode == .realityKit else { return } let currentTime = Date().timeIntervalSince1970 guard currentTime - lastCollisionTime > 0.1 else { return } if event.entityA.name == "bouncingBall" || event.entityB.name == "bouncingBall" { let normal = event.collision.normal // Distinguish between wall and ground collisions if abs(normal.y) < 0.3 { // Wall bounce print("Wall collision detected") } else if normal.y > 0.7 { // Ground bounce print("Ground collision detected") } lastCollisionTime = currentTime } } Issues Observed Energy Loss: Despite restitution = 1.0 (perfect elasticity), the ball loses ~20-30% energy per bounce Wall Sliding: Ball tends to slide down walls instead of bouncing naturally No Damping Control: Comments mention damping values but they don't seem to affect the physics Change in mass also doesn't do much. Custom Physics System (Workaround) I've implemented a custom physics system that manually calculates velocities and applies more realistic restitution values: // From BouncingBallComponent.swift struct BouncingBallComponent: Component { var velocity: SIMD3<Float> = .zero var angularVelocity: SIMD3<Float> = .zero var bounceState: BounceState = .idle var lastBounceTime: TimeInterval = 0 var bounceCount: Int = 0 var peakHeight: Float = 0 var totalFallDistance: Float = 0 enum BounceState { case idle case falling case justBounced case bouncing case settled } } Is this energy loss expected behavior in RealityKit, even with perfect restitution (1.0)? Are there additional physics parameters (damping, solver iterations, etc.) that could improve bounce behavior? Would switching to Unity be necessary for more realistic ball physics, or am I missing something in RealityKit? Even in the last video here: https://stepinto.vision/example-code/collisions-physics-physics-material/ bounce of the ball is very unnatural - stops after 3-4 bounces. I apply custom impulses, but then if I have walls around the ball, it's almost impossible to make it look natural. I also saw this post https://developer.apple.com/forums/thread/759422 and ball is still not bouncing naturally.
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Nov ’25
Please provide access to face tracking blendshapes on vision os
Apple, please provide access to face tracking blend shapes on vision os, just like you do on iOS. You have the best eye and face tracking implementation on the market, please let us use it. There is a sizable audience who will buy the headset just for it. I personally know multiple people who are not buying the headset simply because you locked those features out. No raw camera access is needed, just abstracted blendshapes values. You will make the headset so much more useful if you do this simple thing.
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Jun ’25
Real Time Spatial Video Streaming with Vision Pro
Hello, I am trying to build an AVP app for real-time "zero-latency" spatial video streaming. I am trying to figure out, on a high level, the best way to do this. Currently this is my method: Server sends stereo images via a WebRTC service (ie, livekit) The WebRTC stream is converted to a CVPixelBuffer, writes them to file, plays via AVPlayer, and applies a VideoMaterial to a plane entity. However, this is a bit hacky and it seems like this won't be compatible with Apple's spatial experinces. To my understanding, Apple supports HLS streaming for spatial experiences and APMP content. However, HLS (and even Low Latency HLS) introduces a second or more of latency, likely do to the segmentation nature of HLS. Thus, HLS will not work for us. Some other alternatives I've thought of are streaming the live stream video via webrtc from the server to a local computer in the AVP's network, and then using LL-HLS to stream from the local computer to the vision pro. Still, it seems like this would introduce latency on the order of seconds. Is my current approach the best way to implement this? Or could anyone suggest a better way, perhaps something compatible with AVP's spatial experiences
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138
Dec ’25
How to combine Occlusion nodes with soft edges.
At a recent community meeting we were wondering how Apple creates this soft-edge effect around the occlusion cutouts. We see this effect on keyboard cutouts, iPhone cutouts, and in progressive spaces. An example: Notice the soft edged around the occlusion cutout for the keyboard One of our members created some Shader Graph materials to explore soft edges. These work by sending data into the opacity channel of the PreviewSurface node. Unfortunately, the Occlusion Surface nodes lack any sort of input. If you know how to blend these concepts with RealityKit Occlusion, please let us know!
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Sep ’25
Game Controller Input Limitations in visionOS Volumetric Windows - Need Clarification
Game Controller Input Limitations in visionOS Volumetric Windows Hello Apple Developer Community, I'm developing a game for visionOS and have encountered significant limitations with game controller input when using volumetric windows (WindowGroup with .volumetric style). I'd appreciate clarification on whether this is expected behavior and any guidance on best practices. 🧩 Issue Summary When using a DualSense controller with a volumetric window in visionOS, only a subset of controller inputs are available to the app. The remaining inputs appear to be reserved by the system for UI navigation. ✅ Working Inputs (Volumetric Window) D-Pad (all directions) L3 (left thumbstick button click) R3 (right thumbstick button click) Menu button Options button ❌ Not Working Inputs (Volumetric Window) Left thumbstick analog movement (used for UI scrolling instead) Right thumbstick analog movement (used for UI scrolling instead) Face buttons (Cross, Circle, Square, Triangle / A, B, X, Y) Shoulder buttons (L1, R1) Triggers (L2, R2) Key observation: When moving the left thumbstick in a volumetric window, the window's UI scrolls vertically instead of sending input to my app's GameController handlers. Similarly, face buttons seem to be reserved for system UI interactions. ⚙️ Implementation Details I'm using the standard GameController framework: Connect to controller via GCController.controllers() Access extendedGamepad profile Set up valueChangedHandler and pressedChangedHandler for all inputs Handlers confirmed registered via logging Working inputs (D-Pad, L3, R3) trigger immediately and consistently Non-working inputs (thumbsticks, face buttons) never trigger 🧠 Critical Finding: ImmersiveSpace Works Perfectly When testing the exact same code in an ImmersiveSpace (.mixed immersion style), all controller inputs work perfectly: ✅ Both thumbsticks provide full analog input ✅ All face buttons trigger their handlers ✅ All shoulder buttons and triggers work correctly ✅ 100% success rate with no intermittent issues This suggests the issue isn't with my code, but rather how visionOS handles controller input differently between Volumetric Windows and ImmersiveSpace. 🧪 Test Environment I created a minimal test project (Controller-Playground) to isolate the issue: A simple ControllerTester class that registers all GameController handlers A visual UI showing real-time input state No game logic, RealityKit physics, or other complexity Results In volumetric window: Only D-Pad, L3, R3, Menu, Options work In ImmersiveSpace: All inputs work perfectly This confirms the limitation exists at the visionOS platform level, not in app code. 🧰 Attempted Workarounds I tried the following without success: Setting GCSupportsControllerUserInteraction = false in Info.plist Setting UIRequiresFullScreen = true Changing window styles (.plain, .volumetric) Polling vs. handler-based input approaches Various threading models (MainActor, separate thread) Result: The only way to enable full controller support is to switch to ImmersiveSpace. ❓ Questions for Apple Is this input reservation behavior in volumetric windows intended and documented? Are game controllers expected to have limited functionality in volumetric windows while full functionality is reserved for ImmersiveSpace? Is there a way to request full controller input access in a volumetric window, or is ImmersiveSpace the only option for complete controller support? Where can I find official documentation about controller input differences between window types? Are there any APIs or configuration options to disable system controller shortcuts in volumetric windows? 🎯 Impact This limitation has a significant effect on game design and architecture: Volumetric windows offer a multitasking-friendly, less immersive experience ImmersiveSpace provides full controller support but may be more immersive than some games require Games that only need basic D-Pad and button input can work fine in volumetric windows Games requiring analog sticks or face buttons must currently use ImmersiveSpace It would be very helpful if Apple could clarify or reference existing documentation regarding controller input handling in different visionOS window types. If such documentation doesn't exist yet, it might be valuable to include this information in future developer guides or best-practice documents. 🕹 Current Workaround For now, I'm using: D-Pad for character movement (digital 8-direction) R3 (right stick click) as a substitute for the "X" button This setup allows the game to function within a volumetric window, though full controller support still requires ImmersiveSpace. 📄 Request If this is expected behavior, I may have simply missed the relevant documentation — could you please point me to any existing resources that explain this design? If there isn't one yet, it would be great if future visionOS documentation could: Clearly outline controller input behavior across window types Provide guidance on when to use Volumetric Windows vs. ImmersiveSpace for games Consider adding an API option to request full controller access when appropriate If this is not expected behavior, I'm happy to file a detailed bug report with sample code. 💻 System Information visionOS: Latest Simulator Xcode: Latest version Controller: Sony DualSense Framework: GameController (standard extendedGamepad profile) Test project: Minimal reproducible example available Thank you for any clarification or guidance you can provide. This information would be valuable for many developers working on visionOS games.
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668
Oct ’25
visualBounds ignores TextComponents set for Entity. Workarounds?
After adding TextComponents to my Entities on visionOS, I have observed that visualBounds will ignore the TextComponents. Documentation states that it should render a rounded rectangle mesh. These mashes are visible on the device, but not visible in the debugger ("Capture Entity Hierarchy") and ignored by visualBounds. Am I missing something? static func makeDirection(_ direction: Direction) -> Entity { let text = Entity() text.name = direction.rawValue text.setScale(SIMD3(repeating: 5), relativeTo: nil) text.transform.rotation = direction.rotation text.components.set(direction.textComponent) return text } My workaround is to add a disabled ModelEntity and take its bounds 😬
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Dec ’25
Can´t find a DLL in a VisionOS app with Unity
Dear all, I´m using Unity 6.2 beta and Xcode 16.2. I´m creating a simple framework to use the text to speech functionality in VisionOS from unity. The framework is created in Swift. I create an objective-c wrapper with the following declarations: ... void _initTTS(int); ... I create the framework, import it in Unity and call the functions in a c# wrapper class. The code is as follows: public static class TTSPluginManager { [DllImport("TTS_Vision"] private static extern void _initTTS(int val); ... public static void Initialize() { #if UNITY_VISIONOS _initTTS(0); #else Debug.LogWarning("NativeTTS.Initialize called on a non-iOS platform. Ignoring."); #endif } } I have managed to compile and run the program in the Apple Vision Pro, but I keep on getting the following error: DllNotFoundException: TTS_Vision assembly: type: member:(null) TTSPluginManager.Initialize () (at Assets/Plugins/TTSPluginManager.cs:33) LecturePortalManager.OnCreateStory (Ink.Runtime.Story story) (at Assets/AVRLecture/LecturePortalManager.cs:17) InkLoader.StartStory () (at Assets/AVRLecture/InkLoader.cs:24) InkLoader.Start () (at Assets/AVRLecture/InkLoader.cs:18) If I run the generated code from Xcode, I can see the app in the AVP, but I keep getting a loading error: DllNotFoundException: Unable to load DLL 'TTS_Vision'. Tried the load the following dynamic libraries: Unable to load dynamic library '/TTS_Vision' because of 'Failed to open the requested dynamic library (0x06000000) dlerror() = dlopen(/TTS_Vision, 0x0005): tried: '/TTS_Vision' (no such file) at TTSPluginManager.Initialize () [0x00000] in <00000000000000000000000000000000>:0 at LecturePortalManager.OnCreateStory (Ink.Runtime.Story story) [0x00000] in <00000000000000000000000000000000>:0 I can see in the generated code that the framework (TTS_Vision) is there, but the path seems wrong. I've tried to add more options to the searched paths, with no success... Any hints or suggestions are much more appreciated.
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Sep ’25
Triangle Recommendation Limit for M5 Vision Pro
For the M2 Apple Vision Pro, there's "a general guideline, we recommend no more than 500 thousand triangles for an immersive scene, with 250 thousand for applications in the shared space." --https://developer.apple.com/videos/play/wwdc2024/10186/?time=147 Is there a revised recommendation for the M5 Apple Vision Pro?
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Nov ’25
Reality Composer Timeline unfinished
the timeline editor feels often unfinished. Setting the time cursor to a different time is often not reflected in the preview. You either have to click a clip or wait. sometimes the cursor even disappears, eg. when switching tabs to shadergraph Not being able to select and move multiple clips is missing. There is also no snapping to clips or time cursor as found in other tools. And then there is the timeline compile bug https://developer.apple.com/forums/thread/810868 The timeline as it is, is a good start but it definitely needs some more love to be on par with other commercial tools like Unity or After Effects.
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260
Jan ’26
SharePlay on the VisionOS with remote participants.
Hi everyone, I’m building a visualization app for VisionPro that uses SharePlay and GroupActivities to explore datasets collaboratively. I’ve successfully implemented the new SharedWorldAnchor feature, and everything works well with nearby, local participants. However, I’m stuck on one point: How can I share a world anchor with remote participants who join via FaceTime as spatial personas? Apple’s demo app (where multiple users move a plane model around) seems to suggest that this is possible. For context, I’m building an immersive app with Metal rendering. Any guidance or examples would be greatly appreciated! Thanks, Jens
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Sep ’25
Cannot find devices in RemoteImmersiveSpace
Hi, I'm running the Spatial Rendering App sample on a Macbook Pro running 26.4 Beta and the Vision Pro running visionOS 26.3.1. Handoff and SharePlay are on, both devices are on the same Apple ID and network, and SharePlay screen sharing works fine between the two devices. However, when calling openImmersiveSpace, the device picker fails to present and no devices are found. Errors from console: ((processConfiguration != nil && configuration != nil) || (processConfiguration == nil && configuration == nil)) - .../ExtensionKit/Source/HostViewController/Internal/EXHostSessionDriver.m:80: `processConfiguration` and `configuration` must be both non-nil or both nil Unable to obtain a task name port right for pid 638: (os/kern) failure (0x5) Unable to present an ImmersiveSpace for Scene id 'Compositor Services' Is this a known bug or I'm I missing something? Thanks!
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Access UltraWideCamera when ARSession is running
ARSession provides video stream from the wide angle camera. If ARSession uses the ultra wide camera at the same time, ARSession may provide video stream from that camera, otherwise AVCaptureSession with an ultra wide camera should be allowed to launch. It would be very very useful if we can access different cameras while ARSession is running. We'd like to cooperate with you if possible. Steps to reproduce: run an AVCaptureSession and then run an ARSession. The AVCaptureSession stops.
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Jan ’26
Guided Access - Detect when setup (Eyes + Hands) is done
Hello, I am building a kiosk-style app for VisionOS which will be used in Guided Access mode, to be given to various visitors. So each of them will do hands + eyes setup, standard Guided Access thing. I want my experience to auto-start playing content when setup is done. I looked everywhere, but found no way do detect whether setup is complete? Also adding any kind of interface to start the app manually is risky, since buttons etc remain visible an interactable WHILE setup takes place. Delay-based approach also wont work, since setup can be skipped, or failed, or be done quickly, slowly... So it takes between 10 seconds and a few minutes. So the question is - is there any way to get notification, or check some bool or something that will tell me that Hands + Eyes setup in Guided mode is complete (or skipped)? Thanks in advance!
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2
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664
Activity
Feb ’26
visionOS plane anchor rotation and wall direction are inconsistent
I have a problem with the wall plane detection using visionOS/ARKit: I am using ARKitSession's PlaneDetectionProvider detection.wall in the space of visionOS. I recorded the position and rotation information of the first detected plane, but found that the rotation value will be facing when the user starts the space. There is a deviation in different directions. That is to say, even if the plane is located on the same wall, the rotation quaternion will be different. I hope that no matter from which direction the user enters the scan, the real direction of the wall can be correctly obtained so that the virtual content can be accurately aligned with the wall. I have tried to use anchor.originFromAnchorTransform or Transform.rotation directly, but the rotation value is still affected by the user's initial orientation. In addition, I would like to know whether the user's initial orientation will affect the location information. If so, please provide a solution. Thank you!
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1
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558
Activity
Sep ’25
Bouncy ball in RealityKit - game
I'm developing a VisionOS app with bouncing ball physics and struggling to achieve natural bouncing behavior using RealityKit's physics system. Despite following Apple's recommended parameters, the ball loses significant energy on each bounce and doesn't behave like a real basketball, tennis ball, or football would. With identical physics parameters (restitution = 1.0), RealityKit shows significant energy loss. I've had to implement a custom physics system to compensate, but I want to use native RealityKit physics. It's impossible to make it work by applying custom impulses. Ball Physics Setup (Following Apple Forum Recommendations) // From PhysicsManager.swift private func createBallEntityRealityKit() -> Entity { let ballRadius: Float = 0.05 let ballEntity = Entity() ballEntity.name = "bouncingBall" // Mesh and material let mesh = MeshResource.generateSphere(radius: ballRadius) var material = PhysicallyBasedMaterial() material.baseColor = .init(tint: .cyan) material.roughness = .float(0.3) material.metallic = .float(0.8) ballEntity.components.set(ModelComponent(mesh: mesh, materials: [material])) // Physics setup from Apple Developer Forums let physics = PhysicsBodyComponent( massProperties: .init(mass: 0.624), // Seems too heavy for 5cm ball material: PhysicsMaterialResource.generate( staticFriction: 0.8, dynamicFriction: 0.6, restitution: 1.0 // Perfect elasticity, yet still loses energy ), mode: .dynamic ) ballEntity.components.set(physics) ballEntity.components.set(PhysicsMotionComponent()) // Collision setup let collisionShape = ShapeResource.generateSphere(radius: ballRadius) ballEntity.components.set(CollisionComponent(shapes: [collisionShape])) return ballEntity } Ground Plane Physics // From GroundPlaneView.swift let groundPhysics = PhysicsBodyComponent( massProperties: .init(mass: 1000), material: PhysicsMaterialResource.generate( staticFriction: 0.7, dynamicFriction: 0.6, restitution: 1.0 // Perfect bounce ), mode: .static ) entity.components.set(groundPhysics) Wall Physics // From WalledBoxManager.swift let wallPhysics = PhysicsBodyComponent( massProperties: .init(mass: 1000), material: PhysicsMaterialResource.generate( staticFriction: 0.7, dynamicFriction: 0.6, restitution: 0.85 // Slightly less than ground ), mode: .static ) wall.components.set(wallPhysics) Collision Detection // From GroundPlaneView.swift content.subscribe(to: CollisionEvents.Began.self) { event in guard physicsMode == .realityKit else { return } let currentTime = Date().timeIntervalSince1970 guard currentTime - lastCollisionTime > 0.1 else { return } if event.entityA.name == "bouncingBall" || event.entityB.name == "bouncingBall" { let normal = event.collision.normal // Distinguish between wall and ground collisions if abs(normal.y) < 0.3 { // Wall bounce print("Wall collision detected") } else if normal.y > 0.7 { // Ground bounce print("Ground collision detected") } lastCollisionTime = currentTime } } Issues Observed Energy Loss: Despite restitution = 1.0 (perfect elasticity), the ball loses ~20-30% energy per bounce Wall Sliding: Ball tends to slide down walls instead of bouncing naturally No Damping Control: Comments mention damping values but they don't seem to affect the physics Change in mass also doesn't do much. Custom Physics System (Workaround) I've implemented a custom physics system that manually calculates velocities and applies more realistic restitution values: // From BouncingBallComponent.swift struct BouncingBallComponent: Component { var velocity: SIMD3<Float> = .zero var angularVelocity: SIMD3<Float> = .zero var bounceState: BounceState = .idle var lastBounceTime: TimeInterval = 0 var bounceCount: Int = 0 var peakHeight: Float = 0 var totalFallDistance: Float = 0 enum BounceState { case idle case falling case justBounced case bouncing case settled } } Is this energy loss expected behavior in RealityKit, even with perfect restitution (1.0)? Are there additional physics parameters (damping, solver iterations, etc.) that could improve bounce behavior? Would switching to Unity be necessary for more realistic ball physics, or am I missing something in RealityKit? Even in the last video here: https://stepinto.vision/example-code/collisions-physics-physics-material/ bounce of the ball is very unnatural - stops after 3-4 bounces. I apply custom impulses, but then if I have walls around the ball, it's almost impossible to make it look natural. I also saw this post https://developer.apple.com/forums/thread/759422 and ball is still not bouncing naturally.
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9
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950
Activity
Nov ’25
Please provide access to face tracking blendshapes on vision os
Apple, please provide access to face tracking blend shapes on vision os, just like you do on iOS. You have the best eye and face tracking implementation on the market, please let us use it. There is a sizable audience who will buy the headset just for it. I personally know multiple people who are not buying the headset simply because you locked those features out. No raw camera access is needed, just abstracted blendshapes values. You will make the headset so much more useful if you do this simple thing.
Replies
1
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1
Views
149
Activity
Jun ’25
Real Time Spatial Video Streaming with Vision Pro
Hello, I am trying to build an AVP app for real-time "zero-latency" spatial video streaming. I am trying to figure out, on a high level, the best way to do this. Currently this is my method: Server sends stereo images via a WebRTC service (ie, livekit) The WebRTC stream is converted to a CVPixelBuffer, writes them to file, plays via AVPlayer, and applies a VideoMaterial to a plane entity. However, this is a bit hacky and it seems like this won't be compatible with Apple's spatial experinces. To my understanding, Apple supports HLS streaming for spatial experiences and APMP content. However, HLS (and even Low Latency HLS) introduces a second or more of latency, likely do to the segmentation nature of HLS. Thus, HLS will not work for us. Some other alternatives I've thought of are streaming the live stream video via webrtc from the server to a local computer in the AVP's network, and then using LL-HLS to stream from the local computer to the vision pro. Still, it seems like this would introduce latency on the order of seconds. Is my current approach the best way to implement this? Or could anyone suggest a better way, perhaps something compatible with AVP's spatial experiences
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0
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1
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138
Activity
Dec ’25
How to combine Occlusion nodes with soft edges.
At a recent community meeting we were wondering how Apple creates this soft-edge effect around the occlusion cutouts. We see this effect on keyboard cutouts, iPhone cutouts, and in progressive spaces. An example: Notice the soft edged around the occlusion cutout for the keyboard One of our members created some Shader Graph materials to explore soft edges. These work by sending data into the opacity channel of the PreviewSurface node. Unfortunately, the Occlusion Surface nodes lack any sort of input. If you know how to blend these concepts with RealityKit Occlusion, please let us know!
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0
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1
Views
934
Activity
Sep ’25
Full Body Tracking
Hi, is there a way to track feet in a visionOS app in an immersive space? I want the whole body to be visible in VR, and I want to know if the user touches an object with their foot.
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1
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381
Activity
Feb ’26
Game Controller Input Limitations in visionOS Volumetric Windows - Need Clarification
Game Controller Input Limitations in visionOS Volumetric Windows Hello Apple Developer Community, I'm developing a game for visionOS and have encountered significant limitations with game controller input when using volumetric windows (WindowGroup with .volumetric style). I'd appreciate clarification on whether this is expected behavior and any guidance on best practices. 🧩 Issue Summary When using a DualSense controller with a volumetric window in visionOS, only a subset of controller inputs are available to the app. The remaining inputs appear to be reserved by the system for UI navigation. ✅ Working Inputs (Volumetric Window) D-Pad (all directions) L3 (left thumbstick button click) R3 (right thumbstick button click) Menu button Options button ❌ Not Working Inputs (Volumetric Window) Left thumbstick analog movement (used for UI scrolling instead) Right thumbstick analog movement (used for UI scrolling instead) Face buttons (Cross, Circle, Square, Triangle / A, B, X, Y) Shoulder buttons (L1, R1) Triggers (L2, R2) Key observation: When moving the left thumbstick in a volumetric window, the window's UI scrolls vertically instead of sending input to my app's GameController handlers. Similarly, face buttons seem to be reserved for system UI interactions. ⚙️ Implementation Details I'm using the standard GameController framework: Connect to controller via GCController.controllers() Access extendedGamepad profile Set up valueChangedHandler and pressedChangedHandler for all inputs Handlers confirmed registered via logging Working inputs (D-Pad, L3, R3) trigger immediately and consistently Non-working inputs (thumbsticks, face buttons) never trigger 🧠 Critical Finding: ImmersiveSpace Works Perfectly When testing the exact same code in an ImmersiveSpace (.mixed immersion style), all controller inputs work perfectly: ✅ Both thumbsticks provide full analog input ✅ All face buttons trigger their handlers ✅ All shoulder buttons and triggers work correctly ✅ 100% success rate with no intermittent issues This suggests the issue isn't with my code, but rather how visionOS handles controller input differently between Volumetric Windows and ImmersiveSpace. 🧪 Test Environment I created a minimal test project (Controller-Playground) to isolate the issue: A simple ControllerTester class that registers all GameController handlers A visual UI showing real-time input state No game logic, RealityKit physics, or other complexity Results In volumetric window: Only D-Pad, L3, R3, Menu, Options work In ImmersiveSpace: All inputs work perfectly This confirms the limitation exists at the visionOS platform level, not in app code. 🧰 Attempted Workarounds I tried the following without success: Setting GCSupportsControllerUserInteraction = false in Info.plist Setting UIRequiresFullScreen = true Changing window styles (.plain, .volumetric) Polling vs. handler-based input approaches Various threading models (MainActor, separate thread) Result: The only way to enable full controller support is to switch to ImmersiveSpace. ❓ Questions for Apple Is this input reservation behavior in volumetric windows intended and documented? Are game controllers expected to have limited functionality in volumetric windows while full functionality is reserved for ImmersiveSpace? Is there a way to request full controller input access in a volumetric window, or is ImmersiveSpace the only option for complete controller support? Where can I find official documentation about controller input differences between window types? Are there any APIs or configuration options to disable system controller shortcuts in volumetric windows? 🎯 Impact This limitation has a significant effect on game design and architecture: Volumetric windows offer a multitasking-friendly, less immersive experience ImmersiveSpace provides full controller support but may be more immersive than some games require Games that only need basic D-Pad and button input can work fine in volumetric windows Games requiring analog sticks or face buttons must currently use ImmersiveSpace It would be very helpful if Apple could clarify or reference existing documentation regarding controller input handling in different visionOS window types. If such documentation doesn't exist yet, it might be valuable to include this information in future developer guides or best-practice documents. 🕹 Current Workaround For now, I'm using: D-Pad for character movement (digital 8-direction) R3 (right stick click) as a substitute for the "X" button This setup allows the game to function within a volumetric window, though full controller support still requires ImmersiveSpace. 📄 Request If this is expected behavior, I may have simply missed the relevant documentation — could you please point me to any existing resources that explain this design? If there isn't one yet, it would be great if future visionOS documentation could: Clearly outline controller input behavior across window types Provide guidance on when to use Volumetric Windows vs. ImmersiveSpace for games Consider adding an API option to request full controller access when appropriate If this is not expected behavior, I'm happy to file a detailed bug report with sample code. 💻 System Information visionOS: Latest Simulator Xcode: Latest version Controller: Sony DualSense Framework: GameController (standard extendedGamepad profile) Test project: Minimal reproducible example available Thank you for any clarification or guidance you can provide. This information would be valuable for many developers working on visionOS games.
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Oct ’25
Spatial Web and Safari
Is there any interest in this forum for those developing for the spatial web and safari. I can't seem to find any posts that are relevant here.
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240
Activity
Dec ’25
Connect external disk using developer strap
I got more than 1 TB Immersive videos, and I want to play from them. Is there a way I can connect a ssd to Vision Pro via developer strap? Or is it possible to connect to a 10G Ethernet ad, and then using Ethernet to connect to a disk/NAS and attach the drive via ip?
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495
Activity
Jan ’26
visualBounds ignores TextComponents set for Entity. Workarounds?
After adding TextComponents to my Entities on visionOS, I have observed that visualBounds will ignore the TextComponents. Documentation states that it should render a rounded rectangle mesh. These mashes are visible on the device, but not visible in the debugger ("Capture Entity Hierarchy") and ignored by visualBounds. Am I missing something? static func makeDirection(_ direction: Direction) -> Entity { let text = Entity() text.name = direction.rawValue text.setScale(SIMD3(repeating: 5), relativeTo: nil) text.transform.rotation = direction.rotation text.components.set(direction.textComponent) return text } My workaround is to add a disabled ModelEntity and take its bounds 😬
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316
Activity
Dec ’25
Can´t find a DLL in a VisionOS app with Unity
Dear all, I´m using Unity 6.2 beta and Xcode 16.2. I´m creating a simple framework to use the text to speech functionality in VisionOS from unity. The framework is created in Swift. I create an objective-c wrapper with the following declarations: ... void _initTTS(int); ... I create the framework, import it in Unity and call the functions in a c# wrapper class. The code is as follows: public static class TTSPluginManager { [DllImport("TTS_Vision"] private static extern void _initTTS(int val); ... public static void Initialize() { #if UNITY_VISIONOS _initTTS(0); #else Debug.LogWarning("NativeTTS.Initialize called on a non-iOS platform. Ignoring."); #endif } } I have managed to compile and run the program in the Apple Vision Pro, but I keep on getting the following error: DllNotFoundException: TTS_Vision assembly: type: member:(null) TTSPluginManager.Initialize () (at Assets/Plugins/TTSPluginManager.cs:33) LecturePortalManager.OnCreateStory (Ink.Runtime.Story story) (at Assets/AVRLecture/LecturePortalManager.cs:17) InkLoader.StartStory () (at Assets/AVRLecture/InkLoader.cs:24) InkLoader.Start () (at Assets/AVRLecture/InkLoader.cs:18) If I run the generated code from Xcode, I can see the app in the AVP, but I keep getting a loading error: DllNotFoundException: Unable to load DLL 'TTS_Vision'. Tried the load the following dynamic libraries: Unable to load dynamic library '/TTS_Vision' because of 'Failed to open the requested dynamic library (0x06000000) dlerror() = dlopen(/TTS_Vision, 0x0005): tried: '/TTS_Vision' (no such file) at TTSPluginManager.Initialize () [0x00000] in <00000000000000000000000000000000>:0 at LecturePortalManager.OnCreateStory (Ink.Runtime.Story story) [0x00000] in <00000000000000000000000000000000>:0 I can see in the generated code that the framework (TTS_Vision) is there, but the path seems wrong. I've tried to add more options to the searched paths, with no success... Any hints or suggestions are much more appreciated.
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Activity
Sep ’25
Triangle Recommendation Limit for M5 Vision Pro
For the M2 Apple Vision Pro, there's "a general guideline, we recommend no more than 500 thousand triangles for an immersive scene, with 250 thousand for applications in the shared space." --https://developer.apple.com/videos/play/wwdc2024/10186/?time=147 Is there a revised recommendation for the M5 Apple Vision Pro?
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806
Activity
Nov ’25
Reality Composer Timeline unfinished
the timeline editor feels often unfinished. Setting the time cursor to a different time is often not reflected in the preview. You either have to click a clip or wait. sometimes the cursor even disappears, eg. when switching tabs to shadergraph Not being able to select and move multiple clips is missing. There is also no snapping to clips or time cursor as found in other tools. And then there is the timeline compile bug https://developer.apple.com/forums/thread/810868 The timeline as it is, is a good start but it definitely needs some more love to be on par with other commercial tools like Unity or After Effects.
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260
Activity
Jan ’26
SharePlay on the VisionOS with remote participants.
Hi everyone, I’m building a visualization app for VisionPro that uses SharePlay and GroupActivities to explore datasets collaboratively. I’ve successfully implemented the new SharedWorldAnchor feature, and everything works well with nearby, local participants. However, I’m stuck on one point: How can I share a world anchor with remote participants who join via FaceTime as spatial personas? Apple’s demo app (where multiple users move a plane model around) seems to suggest that this is possible. For context, I’m building an immersive app with Metal rendering. Any guidance or examples would be greatly appreciated! Thanks, Jens
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491
Activity
Sep ’25
Cannot find devices in RemoteImmersiveSpace
Hi, I'm running the Spatial Rendering App sample on a Macbook Pro running 26.4 Beta and the Vision Pro running visionOS 26.3.1. Handoff and SharePlay are on, both devices are on the same Apple ID and network, and SharePlay screen sharing works fine between the two devices. However, when calling openImmersiveSpace, the device picker fails to present and no devices are found. Errors from console: ((processConfiguration != nil && configuration != nil) || (processConfiguration == nil && configuration == nil)) - .../ExtensionKit/Source/HostViewController/Internal/EXHostSessionDriver.m:80: `processConfiguration` and `configuration` must be both non-nil or both nil Unable to obtain a task name port right for pid 638: (os/kern) failure (0x5) Unable to present an ImmersiveSpace for Scene id 'Compositor Services' Is this a known bug or I'm I missing something? Thanks!
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4w
Assigning ManipulationComponent to Entity triggers SceneEvents.WillRemoveEntity
When assigning a ManipulationComponent to an Entity SceneEvents.WillRemoveEntity will be called for that Entity. Expected Behavior: the Entity is not (even if temporarily) removed from the Scene and no SceneEvents will be triggered as a result of assigning a ManipulationComponent. FB20872220
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234
Activity
Oct ’25
Access UltraWideCamera when ARSession is running
ARSession provides video stream from the wide angle camera. If ARSession uses the ultra wide camera at the same time, ARSession may provide video stream from that camera, otherwise AVCaptureSession with an ultra wide camera should be allowed to launch. It would be very very useful if we can access different cameras while ARSession is running. We'd like to cooperate with you if possible. Steps to reproduce: run an AVCaptureSession and then run an ARSession. The AVCaptureSession stops.
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Jan ’26
Is it possible to play Fisheye VR180 video directly?
Hi I know it's possible to play equirectangular VR180 video either SBS or MV-HEVC. And for fisheye video, the only way I know is to convert it into an AIVU for playback. Is there any way to directly play fisheye video using AVPlayer? Thanks a lot!
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506
Activity
Oct ’25
Object Tracking in RealityView for iOS
Hi, we've been through the Explore Object Tracking for visionOS and worked through the sample code ExploringObjectTrackingWithARKit. What we'd really like to see is Object Tracking for iOS using devices with either LiDAR or the TrueDepth/RGB cameras.
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258
Activity
Jun ’25