Hello everyone.

We have decided to phase out the Mixed Reality Forums over the next few months in favor of other ways to connect with us.

The first way we want to connect with you is our mixed reality developer program, which you can sign up for at https://aka.ms/IWantMR.

The plan between now and the beginning of May is to clean up old, unanswered questions that are no longer relevant. The forums will remain open and usable.

On May 1st we will be locking the forums to new posts and replies. They will remain available for another three months for the purposes of searching them, and then they will be closed altogether on August 1st.

So, where does that leave our awesome community to ask questions? Well, there are a few places we want to engage with you. For technical questions, please use Stack Overflow, and tag your questions using either hololens or windows-mixed-reality. If you want to join in discussions, please do so in the HoloDevelopers Slack, which you can join by going to https://aka.ms/holodevelopers. And always feel free to hit us up on Twitter @MxdRealityDev.

Hololens Compass

Hi !

I'm trying to build a compass for Hololens to be able to know which way we are looking.
I cannot seem to find anything that can help me do that.

Does Hololens have a usable compass built in ?
If not, how may I "emulate" one ?

I've tried to use the Camera.main.transform.rotation.y to get something similar but there are not 360 degrees when I use the values.

Thank you in advance.


  • Hololens does not have a compass as far as I know. And if it does you can not access it directly from Unity. So your only option (at least for now) is to use a compass from an external device (e.g. your phone) and send its values to hololens over Network/Bluetooth/the Internet.

    Try eulerAngles from Unity to get values from 0-360 for the camera rotation. https://docs.unity3d.com/ScriptReference/Transform-eulerAngles.html

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