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.

Unity light cookies with MRTK

Hi, I am kinda new to Hololens development, I wanted to place a spotlight, switchable by a toggle button and use a Unity light cookie on that spotlight to project a simple crosshair onto my hologram.

Now I can't get light cookies to work in my Project. I created my cookie to Unity specification, and the cookie works in a normal Unity 3D Project.

My suspicion is that, since cookies use a black/white image to define where to project light, the Hololens -where black is seen as transparant- does not work with light cookies. Is my suspicion right? Or is there a special process to get light cookies to work?
Or could the shaders be a reason?

Thanks a lot!



  • For anyone bumping into this, I found the solution.
    The spotlights Render Mode needed to be set to important.
    Now let's hope this does not influence performance to much

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