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Hands in VR template stopped working. No teleportation, no grab animation

Hi everyone, I've been using the UE4 VR template for over a year now and had never experienced this. For some reason, my VR hands stopped working on every project I have. The tracking works fine, I can see and move my hands, but the teleporting and grabing functions don't seem to work at all. I was originally working with version 4.18 when the problem started. But after upgrading to 4.20 the issue persists. Even within the Motion Controller Map on fresh new projects, both on 4.18 and 4.20, so is not an issue regarding migration of projects to a newer version. I must point out that outside UE4 the controllers work just fine.

I'm really looking for some help here, as I ran out of options on how to solve this. Been digging like crazy but I just can't find a proper solution.

Has anyone experienced similar problems?

Product Version: UE 4.20
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asked Aug 12 '18 at 06:56 PM in VR

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tamaldecanela
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avatar image Perso89 Aug 17 '18 at 07:47 AM

Have a similar issue with 4.20. Using Vive Controllers teleport isn't working. If I bypass the "ProjectPointToNavigation" node, the teleport works. If I go through that node, the value is always 0,0,0, no matter where I point the controller. Maybe I am doing something wrong?

avatar image louisis Aug 20 '18 at 04:24 AM

I am having the same problem, but with a Unreal Studio project not 4.20.1 in particular. My other vr template in 4.20.1 works fine. I believe some of the blueprint nodes have been renamed, and we need to replace them with the new ones.

I am finding yellow warnings all over the place. For example under Left Hand Teleport Rotation, the "Get MotionControllerThumbLeft_Y" node needs to be replaced with "Get MotionController (L) Thumbstick Y". I have not figured out how to fix the InputAction Grabs or InputAction Teleports. I found some more warnings inside HMDLocomotionPawn as well, inside the Get Thumstick Facing Direction function "Get TeleportDirectionUP" and "Get TeleportDirectionRight"

avatar image unRealVRCarl Sep 01 '18 at 05:27 AM

Have exactly this problem in 4.20.2, with a brand new project created using the Virtual Reality Blueprint, HTC Vive. Without making any changes at all I simply play in VR, sometimes I can teleport once or twice and then it stops working, and the hand grab also stops working. How do you even start to debug this sort of thing?

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