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peterpop's avatar
peterpop
Explorer
3 years ago

OVRInput.NearTouch not working with OVRPlugin with OpenXR backend

Make a Unity 2020+ project. Add OpenXR Oculus provider. Add Oculus Integration (at the time of this writing v39, but doesn't really matter. Tried it with v37 also)   Load/make a scene with a cont...
neartouch
OpenXR
ovrplugin
edekker's avatar
edekker
Explorer
3 years ago

Having same issue, still present using Oculus Integration v40 (released 2022-06-01). It is immersion breaking whilst using controllers with passthrough when your index fingers and thumbs don't move.

 

More digging shows that controllerState.NearTouches is always 0 at OVRPlugin.cs:2874

 

OVRP_1_16_0.ovrp_GetControllerState4(controllerMask, ref controllerState);

 

edekker's avatar
edekker
Explorer
3 years ago

Have found a temporary work around. In Oculus\SampleFramework\Core\CustomHands\Scripts\Hand.cs:115 change UpdateCapTouchStates to:

        private void UpdateCapTouchStates()
        {
/*
            m_isPointing = !OVRInput.Get(OVRInput.NearTouch.PrimaryIndexTrigger, m_controller);
            m_isGivingThumbsUp = !OVRInput.Get(OVRInput.NearTouch.PrimaryThumbButtons, m_controller);
*/
            m_isPointing = !OVRInput.Get(OVRInput.Touch.PrimaryIndexTrigger, m_controller);
            m_isGivingThumbsUp =
                !OVRInput.Get(OVRInput.Touch.PrimaryThumbRest, m_controller) &&
                !OVRInput.Get(OVRInput.Touch.One, m_controller) &&
                !OVRInput.Get(OVRInput.Touch.Two, m_controller) &&
                !OVRInput.Get(OVRInput.Touch.PrimaryThumbstick, m_controller);
        }

The caveat being this detects when the index fingers and thumbs are touching (but not pressing) the capacitive sensitive parts of the controller, but not when they are nearly touching them. For my use this was good enough.