axiom▌

Purpose: Build reliable SpriteKit games by mastering the scene graph, physics engine, action system, and rendering pipeline iOS Version: iOS 13+ (SwiftUI integration), iOS 11+ (SKRenderer) Xcode: Xcode 15+

Complete API reference for SpriteKit organized by category.

Use when:

Systematic diagnosis for common SpriteKit issues with time-cost annotations.

SwiftUI search is environment-based and navigation-consumed. You attach .searchable() to a view, but a navigation container (NavigationStack, NavigationSplitView, or TabView) renders the actual search field. This indirection is the source of most search bugs.

You MUST use this skill for ANY game development, SpriteKit, SceneKit, RealityKit, or interactive simulation work.

Skills: axiom-ios-networking, axiom-networking-legacy

Explicit ownership modifiers for performance optimization and noncopyable type support.

Comprehensive guide to Core Spotlight framework and NSUserActivity for making app content discoverable in Spotlight search, enabling Siri predictions, and supporting Handoff. Core Spotlight directly indexes app content while NSUserActivity captures user engagement for prediction.

Complete API reference for collecting field performance metrics and diagnostics using MetricKit.