JD
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greentea.bsky.social
JD
@greentea.bsky.social
SWE/MLE by day, iOS dev in my free time. Trying to journal my progress on my side projects!
Local vs world coordinates continue to get the best of me… but I finally fixed the train whistle!! And a new water texture, still need to play around with the opacity. #iosdev #spatialcomputing #realitykit
July 16, 2025 at 1:30 AM
I finally found the source of my Tokyo drift bug!!!! I was just setting the rotation transformation, when I need to be multiplying it by the Entity’s existing rotation 😮‍💨 this is like the third time I’ve had this bug 😅 lesson learned for sure this time #buildinpublic #buginpublic #iosdev #ar
July 14, 2025 at 2:39 AM
I think I’ll need to provide a preview another way, either with just a screenshot or a small video or something. But it was fun to provide a preview that showed the entity rotating in real time! Like this, but times like, 20 LOL #ios #augmentedreality
July 13, 2025 at 12:52 AM
Adding animations and haptics to the terrain editing screen of my model train app, and accidentally created a very addicting fidget toy lol #iosdev #buildinpublic
July 12, 2025 at 10:40 PM
Learned the hard way that I accidentally placed the ParticleEmitterComponent on the wrong axis of this mesh 😭😅 #iosdev #realitykit #spatialcomputing
July 9, 2025 at 2:24 AM
Working on a new tile selection screen for the terrain editing workflow. SwiftUI makes me appreciate the seamless design in the apps I use everyday! I think I might be overusing the RealityView component, since it seems to be impacting performance. Might need to do more profiling tomorrow. #iosdev
July 8, 2025 at 2:48 AM
Added some more terrain tile types for my model train app, so please enjoy this bluesky themed map #iosdev #swiftlang #ar
July 7, 2025 at 2:35 PM
Playing around with texture resources in RealityKit and accidentally made a Windows 95 aesthetic for my iOS app… kinda don’t hate it lol #iosdev #buginpublic
July 5, 2025 at 2:23 AM
The tools aren’t even consistent, e.g loading my 3D USDZ model in Xcode (left) vs. Preview (right)
July 2, 2025 at 12:15 PM
Um… Xcode are you feeling OK
July 1, 2025 at 1:17 AM
Finally got custom tracks for my model train app done! Along with letting the user pick which level to place their track on, means one thing… it’s tunnel time 😎. Now that the bones of the functionality are present, might need to start working some much needed stylization 😅 #iosdev #AR #realitykit
June 30, 2025 at 1:59 AM
Horrifying things happening in the AI programming sphere. 100k line app, built entirely by AI. ~4K LOC per PR! There’s a way to use AI to assist in programming but this is not it. (The app being built is a bill splitting app similar to Splitwise).
June 27, 2025 at 12:56 PM
Finally figured out why my camera input was getting blocked in my ARView!! Now I can actually see my model train maps in my space. RealityView and ARView absolutely do not play nice 😅. Feel like I’ve been working this bug for awhile with not much to show, until today. #buildinpublic #iosdev #ar
June 26, 2025 at 12:38 AM
#BuildingInPublic almost forgot my update for today! Didn’t have a ton of time for my #iOS augmented reality app today, so I just made some small UI changes - new tile types for terrain editing and a level tracker. I WILL SHIP.
June 25, 2025 at 1:38 AM
#BuildingInPublic today - working on the animations of the train Entity using #RealityKit. It was actually pretty tricky to get continuous animations like this in iOS, a lot of the #SpatialComputing framework seems to be aimed more toward VisionOS (understandably). Sadly don’t have an AVP though!
June 24, 2025 at 1:15 AM
We’re like a couple years away from having no living people who have been to the moon
June 23, 2025 at 12:18 AM
more work on my model train app for iOS. Started making a simple terrain editing workflow, where you can make your own maps and then render them in AR. I am not a designer at all LOL. I promise I will clean things up! #SwiftUI #SpatialComputing #BuildInPublic #RealityKit #iOS
June 23, 2025 at 12:13 AM
Weekend update for my AR model train app! Rendering the selected map in the users environment was my main goal for today. Using #ARKit plane detection (shows up in blue), then allowing a user to select with a double tap (turns green, then renders the map). #RealityKit ray tracing is awesome!!
June 21, 2025 at 11:00 PM
Map selection screen for my #iOS augmented reality train app. Very much proof of concept at the moment, all the maps are collections of RealityKit entities, because I want to provide a workflow for users to make their own, and render them in their own space. #buildinpublic #realitykit #swiftui
June 21, 2025 at 12:20 AM
found the worlds most tender Goodreads bio today
April 12, 2025 at 9:07 PM
Yay
May 3, 2023 at 3:20 AM