Engine version: 5.1,5.3

Advanced Hand Tracking for Meta Quest

The Hand Tracking Plugin brings a host of new features to hand tracking on Meta Quest devices. This tool allows developers to integrate grabbing, locomotion, and gesture recognition into their projects with ease. Furthermore, the system includes outline effects for hands and objects, as well as laser pointers for interacting with widgets and menus.

This plugin is specifically aimed at intermediate and advanced Unreal Engine users. While it minimizes the amount of code required, developers will likely utilize the plugin’s API to achieve specific features. Consequently, a strong knowledge of blueprints and general engine systems like collisions and interfaces is necessary for success.

Comprehensive Grabbing and Interaction Systems

The Hand Tracking Plugin features an advanced grabbing system that offers significant flexibility. Developers can specify as many custom grips as needed for each actor directly in blueprints or the viewport. Moreover, these grips allow you to detail which hand is allowed to grab and which hand pose should play during the interaction.

Precision is a core focus of the grabbing mechanics. Thanks to the in-editor tool, you can position grips with high accuracy and visualize the final result before running the project. This ensures that the Hand Tracking Plugin provides a seamless experience for both the developer and the end user.

Laser Pointers and UI Navigation

Interaction is further enhanced through customizable laser pointers. These pointers provide widget and object interactions out of the box. Users can click and scroll through menus using primary and secondary pinch actions. Additionally, the plugin offers two pre-built laser pointer examples, including a replica of the Quest home interface.

Locomotion and Gesture Recognition

The Hand Tracking Plugin includes a dedicated locomotion component to handle movement and rotation. Many properties are available to customize how locomotion behaves within a VR environment. This allows creators to fine-tune the feel of movement to suit their specific application needs.

Furthermore, the gesture recognition component allows for the creation of custom gesture assets. These gestures are recognized at runtime to trigger specific events. The component includes in-editor tools that make it simple to assign actions to each recognized gesture.

Technical Integration and Requirements

The plugin utilizes a custom hand component that allows developers to toggle specific features on or off. Each feature includes various properties for fine-tuning behavior. However, users should be comfortable with Meta’s integration of VR and hand tracking to maximize the plugin’s potential.

While the plugin is designed for standard engine versions, it may work with custom builds like the Oculus branch. However, the developer notes that users are responsible for building the plugin themselves in those cases. This requires knowledge of the Unreal build system and potential deep dives into the plugin code.

Conclusion

The Hand Tracking Plugin is a robust resource for XR developers looking to expand their interaction capabilities. By offering advanced grabbing, customizable UI pointers, and gesture recognition, it streamlines the creation of immersive Meta Quest experiences. It remains a powerful choice for those familiar with Unreal Engine workflows.