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paulovich's avatar
paulovich
Explorer
10 years ago

SKD0.8 U4.x Zoom

Hi>

When I modify the FOV it feels zoomed but the depth feels somehow wrong, kind of flat. Any tips on how to properly zoom?

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  • The relationship between the FOV, inter-pupillary distance, and head tracking has to remain constant for the user to feel comfortable. There are a few ways to do zoom. Here is a good thread on the subject: viewtopic.php?t=9641
  • Yeap I saw that thread time ago but all the methods seem deprecated. Still you gave me a tip on the interpupilar distance. I'll check the thread again to see if that is mentioned but otherwise any documentation where the relation formula is documented?
    edit: ok sorry I can see the ratio. Actual IPD vs Actual FOV.
  • We take care of the relationship between IPD, FOV, and head tracking for you. The best way to change the IPD is to scale the whole OVRCameraRig. To zoom I would recommend either scaling or moving the OVRCameraRig. If you're doing a "binoculars" feature, you could render the scene to a texture and then use a pincushion distortion shader on that to simulate the lens.
  • Wow, thank you, finally some light on the zoom stuff. Can´t wait, bussy implementing some lobby feature, next week I test.