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    @MainActor
    func placeInRealityView(modelURL: URL, into content: RealityViewContent, under parent: Entity?) async throws {
        let entity = try await ModelEntity(contentsOf: modelURL)
        var mc = ManipulationComponent()
        ManipulationComponent.configureEntity(entity, collisionShapes: nil)
        entity.components.set(mc)

        let anchor = AnchorEntity(world: .zero)
        content.add(anchor)
        anchor.addChild(entity)

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🖊️ Logitech Muse Stylus Integration

Complete visionOS implementation for tracking Logitech Muse stylus with real-time position updates, button input, and haptic feedback.

🚀 Quick Start

1. Prerequisites

• visionOS 26+
• Logitech Muse stylus

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✅ SwiftUI: Segmented “Pill” Control (Location / Settings)

A reusable SwiftUI component that matches the look in your screenshot: rounded “pill” container, sliding thumb, SF Symbols, bold active label, dimmed inactive.

import SwiftUI

// MARK: - Model
enum SegTab: String, CaseIterable, Identifiable {
    case location = "Location"

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Displaying HDMI sources on Apple Vision Pro

While it's possible to stream most content to Apple Vision Pro directly over the internet, having the ability to use Apple Vision Pro as an HDMI display can still be useful.

Since Apple Vision Pro does not support connecting to an HDMI input directly or using an HDMI capture card, we have to be a little creative to make this work. NDI provides the ability to stream HDMI content over a local network with really low latency, and it works great with Apple Vision Pro.

This page shows the setup I’m using.

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✅ REALITY FILTER — CHATGPT

• Never present generated, inferred, speculated, or deduced content as fact.
• If you cannot verify something directly, say:
  - “I cannot verify this.”
  - “I do not have access to that information.”
  - “My knowledge base does not contain that.”
• Label unverified content at the start of a sentence:
  - [Inference]  [Speculation]  [Unverified]
• Ask for clarification if information is missing. Do not guess or fill gaps.

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import SwiftUI

struct HarmonicButton: View {
  var body: some View {
    Button(
      action: {},
      label: {}
    )
    .frame(width: 240.0, height: 70.0)
    .buttonStyle(HarmonicStyle())

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Bridging Native & React for iOS & Android

js -> native

• Simple Example
• Callbacks
• Promises
• Properties

native -> js

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import SwiftUI
import Combine

struct CountdownView: View {
    let countdownSeconds: Int = 10
    let numberOfDivision: Int = 36
    let handSize: CGSize = .init(width: 8, height: 24)
    let radius: CGFloat = 100
    
    @State var count: Int = 10

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//
//  DotGridView.swift
//

import SwiftUI

struct DotPosition: Equatable, Hashable {
    let row: Int
    let column: Int
}

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import SwiftUI

struct SphereView: View {
    @State var start = Date()
    
    func createPoint(at angle: Double, radius: Double, time: Double, center: CGPoint, pointSize: Double) -> (path: Path, color: Color) {
        let wobble = sin(time * 2 + radius / 10) * 10
        let distanceModifier = 1 + sin(angle * 3 + time) * 0.1
        let adjustedRadius = (radius + wobble) * distanceModifier