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ChristophGeske / ARCoreInsideOutTrackingGearVr

Inside Out Positional Tracking (6DoF) for GearVR/Cardboard/Daydream using ARCore v1.6.0
MIT License
190 stars 29 forks source link

Arcore tracking errors #10

Closed jondyne closed 5 years ago

jondyne commented 6 years ago

Firstly thank you for the amazing work you are doing with this! I'm trying to use https://8thwall.com/ to access ARcore and to enable cardboard integration having some trouble with tracking - see https://www.youtube.com/watch?v=KFUErLyLrbQ is this something you also experience?

ChristophGeske commented 6 years ago

I haven't worked with 8thwall before but there are two things I would check.

First: When the ARCore camera is rotating it is as if the camera is around 10 cm in front of your head this could lead to some distortion effects. In my app I use a second camera to follow the ARCore camera. I moved the second camera back roughly 10 cm so that the camera "lense" is aligned with the ARCore camera position point . With ARCore camera position point I mean the point that is described by the x,y and z positions of the ARCore Device.

cameraposition

Second: I only use arcore for tracking the position in space and let my smartphone/GearVR handle head rotations. I don't think this is the problem but it could be tested quickly to make sure. Try to set the ARCore camera to "position only" positiononly

In this picture I added a block which helps me see what the camera is seeing. The green and blue arrows mark the ARCore camera position point and the white lines show my second camera.

Why your box moves past the lens outline into the black area I have no idea.

jondyne commented 6 years ago

Thanks for the detailed response. Will check!