I'm facing exactly the same problem.
When the image marker is detected soon after scene loading, the model shows correctly on the image.
When the image marker is not detected for a while, plane detection starts automatically and the model appears on its own (without image marker).
Is it a bug?
kageori
Users receive reputation points by contributing quality content to the forums.
Posts include post and replies published on the forums.
Post authors can mark replies as Accepted to indicate successful solutions.
Apple Developer Forums admins can mark replies as Apple Recommended to indicate an approved solution
Last seen
User for