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Eye Gaze


Extension introduction

XR_EXT_eye_gaze_interaction allows developers to create an application with eye gaze interaction.

Supported Platforms and devices

Platform Headset Supported
PC PC Streaming Focus3/ XR Elite V
Pure PC Vive Cosmos X
Vive Pro series V
AIO Focus3/ XR Elite V


Enable Plugins

  1. Edit > Plugins > Built-in > Virtual Reality > OpenXREyeTracker, enable it.
  2. Note that the " SteamVR " and " OculusVR " plugin must be disabled for OpenXR to work.
  3. Restart the engine for the changes to take effect.


How to use OpenXR Eye Gaze Unreal Feature

  1. For the available eye gaze functions, please refer to OpenXREyeTracker.cpp.
  2. Type Get Gaze Data to get the eye gaze data blueprint function.
    EyeGaze_howto_2
  3. Set the Out Gaze Data to a variable and break the data for more specific use.
    EyeGaze_howto_3


Play the sample map

  1. Make sure the OpenXR Eye Tracker Plugin is enabled inside Edit > Plugins > Built-in > Virtual Reality > OpenXREyeTracker .
  2. The sample map is under Content > EyeGaze > Map .
    EyeGaze_play_2
  3. Start playing the EyeGaze map, and the color of the block on the dart board becomes yellow when staring at the block.
    EyeGaze_play_3