Unreal 4 Engine Gear VR Development primer (bottom)

VR Common Operation Interface UE4 provides a set of HMD functions in blueprint, as shown in:

In addition, for gear VR, you can open the Oculus Library plugin, access the function:

Common functions implement the Gear VR helmet has a touchpad on the right, and is tested to respond to its actions via the touch event in the blueprint, for example:

In addition, the current VR is commonly used in the way the viewpoint interaction, need to use line of sight detection, for example:

Unreal 4 Engine Gear VR Development primer (bottom)