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Prerequisites & License

This project is built with Unreal Engine.

Before using this project, please ensure you have obtained the engine from unrealengine.com and agreed to the Unreal Engine End-User License Agreement (EULA).

Unreal® is a trademark or registered trademark of Epic Games, Inc.

This is a VR experience demo developed with Unreal Engine and the PICO Unreal OpenXR Plugin. It aims to fully showcase the powerful interaction capabilities of PICO devices in a UE environment, including controller interaction, hand tracking, and body tracking.

• For any questions or feedback, please visit the PICO Developer Support Portal and submit your ticket there.

• Main Hub: A centralized VR main menu that allows users to select different experience levels via controller raycasting.
• Controller Interaction Scene: A feature-rich scene demonstrating various controller operations such as movement, teleportation, UI interaction, object spawning, and trigger feedback.
• Hand Tracking Scene: A controller-free scene where users can emit particles, grab objects, and switch scenes using natural hand gestures.
• Body Tracking Scene: Captures and synchronizes the player's full-body movements to a virtual avatar in real-time for a highly immersive experience.

• Unreal Engine: 5.4.4
• Pico Unreal OpenXR Plugin: 1.5.0

Select Level: Aim at a level card with the controller's ray and press the Trigger to enter.

Basic Movement

• Look Around: Use the Left Stick to freely adjust your view.
• Teleport: Use the Right Stick to select a destination and teleport.

Core Interactions

Summon Menu: Press the Menu Button	Grab Object: Press the Grip Button

Action Buttons

A/Y Button: Spawn a physical cube	B Button: Emit particle effects
X Button: Cast an interaction ray	Grab Button (Remote Grab): Grab distant objects
Left Trigger: Fire a bullet	Right Trigger: Experience haptic feedback
Return to Hub: Point at the Button icon and confirm

In this scene, please put down your controllers and use your hands to interact.

Emit Particles: Make a specific gesture	Change Hand Color: Make a specific gesture
Grab Object: Use a Pinch Gesture	Return to Hub: Make a "V" Gesture

In this scene, the system will automatically recognize your body movements and animate a virtual avatar.

Full Body Drive: Avatar syncs with you	Return to Hub: Use controller to point at the Button

• This project uses the Pico Unreal OpenXR Plugin 1.5.0 for UE 5.4.4. If you are using a different version of Unreal Engine, you will need to download and integrate the corresponding plugin version from here.