How can we achieve this multiple window style layout inside our own app?
RobertLLLL
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Hello gchiste, Thanks for the reply!
Please create a new visionOS app from xcode, replace the code in ImmersiveView with the following code, and change the preferred Default Scene Session Role to Immersive Space Application Session Role.
//
// ImmersiveView.swift
// deviceAnchorSample
//
import SwiftUI
import RealityKit
import ARKit
struct ImmersiveView: View {
var body: some View {
RealityView { content in
Task {
do {
try await arkitSession.run([worldTrackingProvider])
var deviceAnchor : DeviceAnchor?
while (deviceAnchor == nil || !checkDeviceAnchorValid(Transform(matrix: deviceAnchor!.originFromAnchorTransform).translation)) {
deviceAnchor = worldTrackingProvider.queryDeviceAnchor(atTimestamp: CACurrentMediaTime())
}
let cameraTransform = Transform(matrix: deviceAnchor!.originFromAnchorTransform)
// attachmentEntity.transform.translation = cameraTransform.translation + [0, 0.05, -1]
} catch {
print("Error: \(error)")
}
}
}
}
private func checkDeviceAnchorValid(_ translation: SIMD3<Float>) -> Bool {
// device anchor's x and z should be almost zero, with y in the valid range of a human being's height
print("deviceAnchor's translation:\(translation)")
return abs(translation.x) < 0.1 && abs(translation.z) < 0.1 && translation.y > 0.2 && translation.y < 3
}
// MARK: Private
private let arkitSession = ARKitSession()
private let worldTrackingProvider = WorldTrackingProvider()
}
#Preview {
ImmersiveView()
.previewLayout(.sizeThatFits)
}//
When running, look for logs that start with deviceAnchor's translation:.The dead loop problem cannot be reproduced stably, But it did happen more than once.
Notice the jump change of the translation value, I think the main issue is that there are no callbacks or flags indicating the worldTrackingProvider is initiated.
I'm on Xcode 15.2(15C500b), and visionOS 1.0 (21N305) simulator