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RealityKit Game Development Guide

Non-AR 3D Games on macOS & iPadOS

Generated from a full walkthrough session — covers everything from zero to a working Mario-style game.

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Table of Contents

1. Why RealityKit?

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// lock code around a file handle when multiple processes running and single access
fn main() {
    std::thread::spawn(|| {
        let lock = with_lock("my_lock".to_string());
        loop {
            let r = lock(|| {
                sleep(Duration::from_millis(100));
                "blah"
            });
            sleep(Duration::from_millis(500));

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import java.util.concurrent.locks.ReentrantReadWriteLock

import com.typesafe.scalalogging.LazyLogging

import scala.collection.mutable
import scala.concurrent.duration._

/**
  * Trivial cache which is lazily limited to size - when size is exceeded with evict the oldest object
  * @param limitSize the limit size option

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endpoint	status

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there are 1161 potential requests in file

❌ POST /recommend?_=1565526947122 BODY: {"sec":8771591,"uid":"-2769713442859793034","data":{"wId":"55571","fId":16583,"maxProducts":24,"rules":[{"id":217054,"type":"include","slots":[],"isContextAware":true}],"ctx":{"type":"PRODUCT","data":["2000352323022"]},"filtering":[]},"v":1}

1c1

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/Users/avnerbarr/workspace/docker-dev/offline-scripts/GORMirror: ./.build/x86_64-apple-macosx/debug/GORMirror there are 1161 potential requests in file ✅ Request(httpVerb: GORMirror.Request.Verb.POST, endpoint: "/v2/recommend?_=1565526951847", requestBody: Optional(424 bytes), headers: nil)

❌ Request(httpVerb: GORMirror.Request.Verb.POST, endpoint: "/recommend?_=1565526947636", requestBody: Optional(503 bytes), headers: nil)

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Scene

Drag ARKitSCNView to story builder or make in code

@IBOutlet weak var sceneView: ARSCNView!
  let configuration = ARWorldTrackingConfiguration()

Add a configuration object to the view controller

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