Now, THERE's a movie I could watch...

And just like that, Deconstructed began its third installment

ScriptGraph in RCP3 is JS all the way down, but done in a swift way github.com/apple/realit... #WWDC26

I know this will sound martian, but it seems like RCP3 is no longer a USD editor but a RealityKit authoring environment powered by the spirit of Clarisse and The Machinery #WWDC26

Gantry v27 beta — powered by USDKit

I had a couple of apps that allow downloading transcripts and other resources published during WWDC. I updated them a year ago, and @daveverwer.com pointed out that those tools could better suited for the web, so in case he's right, dunfeyhotel.com

In case you were wondering about this year's WWDC focus

RCP3 plugins are coming later this year, and I honestly hope the API will not look like this by then 🤕

What Apple's USDKit brings: USDStage, USDPrim, USDLayer, USDValue/USDToken, USDTransformOperation. Stage open/create/save/reload, export, exportFlattened, exportPackage (AVIF textures + mesh compression options); full prim/attribute/metadata/custom Data read-write

~17 new RealityKit components: GaussianSplat · MeshDeformer · Lightmap · DiffuseLightProbe · ToneMapping · Bloom · Clipping · LevelOfDetail · OcclusionCulling · RenderLayer · PhysicallyBasedDecal · AnimationGraph · BehaviorTree · Navigation (+Mesh) uncannyuse.com?new=27.0

The update before WWDC. We have been working to make Gantry export options better. On macOS and iOS, you can now explicitly select between usd* flavors when exporting, which is extremely useful in many workflows. Imagine going from Sketchfab to RCP but without the pain.

just learned about Gorg Vision, and now I can't stop thinking that Apple Vision Pro needs a way to detach the input sensors from the output www.youtube.com/watch?v=H_2A... www.henson.com/jimsredbook/...

Conversion to .usd* from .fbx on #visionOS unlocked...

And no matter how cool we believe it is to use Gantry on macOS, there is an extra magic when playing with it on iOS youtube.com/shorts/Qw0Le... #OpenUSD #RealityKit #iOS

Gantry can convert .gltf, .fbx, .obj, .ply formats to .usd(z). It does this natively and on the device, so you are already working on .usd by the time you see the model in the viewport. youtube.com/shorts/nx1ge... #OpenUSD #RealityKit #macOS

Gantry needed to be battle tested before it could be considered a useful converter, so we tried it out with tons of 3D models around. Here's a list of the most useful ones so far: https://gantry.reality2713.com/models/

Today is the release day of a tool that we wished we had sooner. Gantry converts 3D formats to USDZ using OpenUSD native tools, exports images, optimizes textures, and makes the whole process look easy. will get a 50% discount during the launch.

OpenUSD has a closed, enumerable set of SdfValueTypeNames. Swift's type system is open-ended and Turing-complete. RCP cannot support all Swift types—it supports the USD-serializable subset: Swift types that map directly to SdfValueTypeNames, plus special cases like enums and optionals.

I was working outside today, and the terminal was totally unreadable in the sun. Long story short, here is a light skin for Hermes and a skin configurator... https://hermes-skin.reality2713.com

I am not sure what we are doing with RealityKit. It cannot handle relatively complex models and features; the focus on aesthetics and GUI support is excellent, but we require a robustness and industry-standard iteration

We may or may not be dealing with App Store rejections at the moment to get something cool out the door...

Conversion to .usd from Draco-compressed .gltb unlocked...

Beautiful selection outlines with RealityKit PostProcessEffect https://elkraneo.com/realitykit-outline-selection/

.glassEffect tints depending on the background. This worked for all components in our viewport except for one; after some debugging, it seems that the total area for a view to opt in for this behavior is 4096. Our current theory is that this is related to TBDR tiles

I am absurdly happy with this selection outline

Deconstructed is now fully open source. Thanks @pixelpartner.mastodon.gamedev.place.ap.brid.gy for the final push. github.com/elkraneo/Dec...

The joy of C++ interoperability with Swift.

The components arc of the series is nearly complete... https://elkraneo.com/deconstructing-reality-composer-pro-inspector-components-continued/

I have been upgrading Prelight and Deconstructed to SwiftUsd 6, containing OpenUSD 26.03. This brings new opportunities for validation and diagnostics. I've also continued with the RCP component fixtures and added notes to the Uncannyuse site. More updates coming soon...

usdchecker --arkit is deprecated, and usdchecker now uses only the validation framework. usdzip’s ARKit option is also deprecated and explicitly called out as legacy behavior. https://github.com/PixarAnimationStudios/ OpenUSD/blob/1818e14bae0036ac4bc7b4e60826b5797076a4fe/CHANGELOG.md

We’re happy to share that Preflight, the quality gate for OpenUSD, is now in public beta! 🛫 Learn more and sign up here: preflight.reality2713.com @elkraneo.bsky.social @reality2713.bsky.social #OpenUSD #USDZ #HydraStorm #RealityKit

I've been researching the overlooked work that Reality Composer Pro does with open-source technologies like OpenUSD, and I'm glad this resonates. Thanks @salestech.bsky.social & @pixelpartner.mastodon.gamedev.place.ap.brid.gy visales.de/openusd-ohne...

uncannyuse now has schema pages for Reality Composer Pro components—showing the exact USDA block RCP writes, field-by-field with types and sparse-authoring behavior, plus annotated fixture examples. 20 components covered so far. https://uncannyuse.com/features/accessibility-component/schema

Reality Composer Pro's component inspector looks like a RealityKit editor. It isn't. https://elkraneo.com/deconstructing-reality-composer-pro-inspector-components/

USD syntax highlighting extension for @zed.dev has been officially approved; you can check the source here while it propagates to the official registry 🧊🧊🧊 https://github.com/elkraneo/zed-usd

Imagine using Reality Composer Pro in light mode 😎

We need a "caniuse" for RealityKit & RCP. That's what @kahunamoore.bsky.social commented after yesterday's post, and it is such a great idea that it had to be done uncannyuse.com

RCP exposes less than half of RealityKit's component surface. 28 of 61 types. 5 visionOS-exclusive. There are 6 brand-new components in version 26.0, but none are available in the RCP version yet. Next on the Deconstructed series. https://observablehq.com/d/4e1ffd6d2df015f9

Bindings, References and Variants https://elkraneo.com/deconstructing-reality-composer-pro-inspector-bindings-references-variants/

A very basic triplanar shader graph node for Reality Composer Pro https://lekraneo.gumroad.com/l/cqewo

Deconstructing Reality Composer Pro: Logbook. Things learned so far that are too half-baked for a post but valuable enough to remember. https://elkraneo.com/deconstructing-reality-composer-pro-logbook/

RCP transforms are persisted in the USD file as a series of xformOp. RCP also creates and stores a custom rotationEulerHint, which includes a precalculated Euler (radians) derived from the orientation quaternion. https://elkraneo.com/deconstructing-reality-composer-pro-inspector-basics/

The .realitycomposerpro "document" is a bundle inside an SPM package. Not the folder you see in Finder—the actual document is Package.realitycomposerpro/, which contains metadata, with Sources/ next to it for Xcode integration. https://elkraneo.com/deconstructing-reality-composer-pro-document-type/

Reality Composer Pro silently rescales every primitive to 20cm bounding. USD defaults are 2m. Deliberate choice—AR table-scale. Undocumented, but obvious in hindsight. https://elkraneo.com/deconstructing-reality-composer-pro-scene-navigator/

To better understand the challenges and decisions that produced Reality Composer Pro, I'm creating a clone of it: https://elkraneo.com/deconstructing-reality-composer-pro-intro/

One powerful collection. Step Into Vision Office Hours EMEA, every Wednesday, at 11:00 CET. stepinto.vision/about-office... #AppleVisionPro #SpatialComputing #VisionOS #StepIntoVision

#usda 1.0 ( doc = "Join us for Step Into Office Hours EMEA" author = "Step Into" creationTime = "Every Wednesday, at 11:00 CET" defaultPrim = "Root" upAxis = "Y" metersPerUnit = 0.01 ) def Xform "Root" { def Cube "Box" {} } stepinto.vision/about-office... #AppleVisionPro

Adobe has a collection of USD plugins, which allow the interchange between most common 3D formats. Join us for Vision Office Hours EMEA tomorrow, Wednesday, at 11:00 CET. stepinto.vision/about-office... #AppleVisionPro #SpatialComputing #VisionOS #StepIntoVision

Time to show how the scan actually looks!

Do you want to talk about novel approaches to photorealistic view synthesis from a single image? Join us for Vision Office Hours EMEA tomorrow Wednesday at 11:00 CET. stepinto.vision/about-office... #AppleVisionPro #SpatialComputing #VisionOS #StepIntoVision