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ranagraw

Eye-level in DefaultVRExperience

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Hello,

We are our scene through data coming from a third-party application and we would like to navigate through the scene in VR. We are using the WebVR Experience Helper with teleportation enabled - it works pretty well apart from one small issue. Calibrating the objects in the environment to the user's height such that the objects that are supposed to be at eye-level seem to be at the eye-level in VR is something we have to do manually right now. Is there a standard height (from the ground) that the user's eye level is at by default? Or does this depend on ground size/subdivisions? Also, does 1 unit in BabylonJS map to a real unit (feet/metre/etc.) in VR?

Let me know if my question seems a little unclear.

We are using Windows Mixed Reality Headsets for this.

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Hi @Ranveer,

welcome to the forum.

To your 2nd question - 1 unit in BabylonJS is meters when using (Web)VR. The size of your models depend of course on your definition of a unit.

To the first question - as the windows mixed reality devices don't have height from ground, you need to define the default height. It is done in the webVR Options when initializing the webvr camera (https://github.com/BabylonJS/Babylon.js/blob/master/src/Cameras/VR/babylon.webVRCamera.ts#L199) . If you are using the VR Experience helper you can define it in the webvr options in the constructor as well (https://github.com/BabylonJS/Babylon.js/blob/master/src/Cameras/VR/babylon.vrExperienceHelper.ts#L514)

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