RealityKit
Selection Effects for RealityKit
A HoverEffectComponent-shaped API for selections in RealityKit.
Metal
Shader
LYGIA Metal Viewer
A native viewer for the Metal port of LYGIA
RealityKit
RealityKit Outline Selection
ℹ️Update (October 2026): This is now a Swift package Beyond the RealityView effect described here, it adds: * ARView support back to iOS 15 (UIKit/AppKit) via install(on:), prompted by Richard Hasson's email * outlines that follow moving entities (transforms refresh every frame, not just at selection) * multi-
Reality Composer Pro
Deconstructing Reality Composer Pro: Logbook
A continually growing list of interesting things found during exploration that have not yet been featured in the "Deconstructing Reality Composer Pro" series entries. Mapping from Prims to Entities RCP maintains a bidirectional mapping between RealityKit entities and USD prim paths. While public RealityKit doesn't easily
WWDC
Guide to the latest in Spatial Computing (WWDC25)
TL;DR * Spatial computing is in a transitional phase: the technology is robust, but the market and use cases are still catching up. * Apple’s approach is methodical, not flashy: rather than chasing hype, Apple is building the infrastructure—standards, APIs, specifications, developer tools—that will power the next wave
ARKit
Light Without Boundaries
TL;DR, If you want virtual environment light gradually replacing your real-world shaded objects, use Virtual Environment Probe. Achieving visual realism for virtual elements involves many parts, but lighting stands out as particularly challenging, especially in real-time rendering for platforms like visionOS and RealityKit. Material surface behavior in
Shader
pattern draw take 2
Shader
pattern draw
Shader
some
Shader
mirrored_repeat
Shader
more triangles
Shader
Canvas to the rescue
Shader
color - position
Shader