Hey there!
Thank you for helping, again!
So here’s a quick test using the demo that’s in the Docs, and has the exact same issues when using the Right Handed System:
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here is the original demo (link from the webXR AR Features Docs):
Babylon.js Playground -
here is the exact same code, I just copy-pasted everything and simply added the line of code that sets the Right handed System to True:
https://playground.babylonjs.com/#175132#1
I’m running this on the latest Android Google Chrome browser release from the Google Play Store.
So, if you run both of these demos on your android phone, you should notice a considerable difference in the materials in the scene and the missing shadows that are gone in the Right Handed System version of the demo.
Can you see the difference in your end? I’m suspicious that it might be something related to the generated geometry in the Planar Detection/Triangulation against the Right Handed System coordinates switch, but I have no clue really. Any suggestions?