Steps for VR

• Install Unity from https://unity3d.com/get-unity/download
• Install editor (v 2021.3.) > Install
• Add ‘Android Support + Open JDK + Android SDK and NDK Tools’ > Continue
• Agree> Install
• New Project > 3D (URP)

Setting up environment

• Top right layout > Tall
• Create scene, ‘Main scene’
• Create > 3D object > Plane
• Right click in project window
• Create > material

Enable VR environment using oculus integration

• Install oculus integration package here https://assetstore.unity.com/packages (alternative link)
• Edit> project settings> XR Plugin management
• Select ‘Oculus’ in windows and android

Fun part – Hand tracking

• Delete ‘main camera’
• Create > 3D object> cube
• Search in project ‘OculusInteractionSampleRig’
• Drag ‘OculusInteractionSampleRig’ to scene
• Select ‘OVRCameraRig’
• Change Tracking Origin Type to ‘Floor Level’ and Tracking support to ‘Hands only’
• Look for ‘Left/Right HandAnchor’ under ‘OVRCameraRig’

Grabbing Object Interactor

• Add ‘HandGrabInteractor’ to both ‘HandInteractor’ under InputOVR
• Select ‘R/L Hand’ drag ‘OVRGrabber’ to add elements in interactor
• Check Parent Held Object or you will see some jumpiness when holding and object and moving your hands.
• Add sphere collider to grab volume

Interactable

• Add ‘rigidbody’ to the cube under add components for a cube.
• Add ‘OVRGrabbable’

https://developer.android.com/tools/releases/platform-tools