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Packages

Below is a list of XRC Toolkit packages.

XRC AI

Documentation | edu.cornell.xrc.toolkit.ai | 0.4.0

XRC AI

Package for integrating LLMs and agents into XRC Toolkit using a Client-Agent-Middleware architecture. Built on Microsoft.Extensions.AI and Microsoft.Agents.AI abstractions, supporting OpenAI and Ollama providers. Includes multi-agent workflow orchestration. Requires NuGet packages: Microsoft.Extensions.AI, Microsoft.Extensions.AI.OpenAI, Microsoft.Agents.AI, OllamaSharp. API keys: Create a scriptable object via Right-click > XRC > XRC API Key. Store in a gitignored location.

XRC Assets

Documentation | edu.cornell.xrc.toolkit.assets | 0.1.0

XRC Assets

This package contains various assets for use in XRC Toolkit projects. Assets include large 3D models and other assets that are not included in XRC Core's Starter Assets sample.

XRC Color

Documentation | edu.cornell.xrc.toolkit.color | 0.2.1

XRC Color

Interactive HSV cylinder color picker for Unity XR/VR environments. Features a preview-then-apply workflow with real-time color sampling through 3D spatial interaction. Maps hue to angle, saturation to radius, and brightness to height for intuitive color selection. Supports controller-attached or world-space positioning with dynamic visual feedback.

XRC Core

Documentation | edu.cornell.xrc.toolkit.core | 0.3.0

XRC Core

A collection of starter assets and core utility scripts used across XRC Toolkit packages.

XRC Create

Documentation | edu.cornell.xrc.toolkit.create | 0.2.1

XRC Create

XRC Create enables intuitive object creation, duplication, and deletion in XR environments through bimanual interactions. Users can create 3D primitive objects (cubes, spheres, capsules, cylinders, planes, quads) with real-time size control based on controller separation distance, supporting both uniform and non-uniform scaling modes. Features include semi-transparent preview visualization, haptic feedback, and gesture-based editing for rapid XR scene prototyping.

XRC Go-Go

Documentation | edu.cornell.xrc.toolkit.gogo | 0.2.2

XRC Go-Go

This package is an implementation of the Go-Go interaction technique as presented in the original paper, by extending the XR Interaction Toolkit. Original paper: Ivan Poupyrev, Mark Billinghurst, Suzanne Weghorst, and Tadao Ichikawa. 1996. The go-go interaction technique: non-linear mapping for direct manipulation in VR. In Proceedings of the 9th annual ACM symposium on User interface software and technology (UIST '96). Association for Computing Machinery, New York, NY, USA, 79–80. https://doi.org/10.1145/237091.237102.

XRC Grab Move

Documentation | edu.cornell.xrc.toolkit.grabmove | 0.2.1

XRC Grab Move

A bimanual XR locomotion technique that transforms the player (XR Origin) through space using both controllers. Supports independent control of translation, rotation (full 3D or yaw-only), and scaling with configurable constraints. Optional attached objects create the perceptual illusion of environment manipulation. Features comprehensive visual feedback including pivot visualization, controller line rendering, and scale percentage display. Inspired by Gravity Sketch, built with Unity's XR Interaction Toolkit.

XRC Mesh

Documentation | edu.cornell.xrc.toolkit.mesh | 0.2.1

XRC Mesh

Provides real-time mesh vertex editing for XR/VR environments with interactive handles at each unique vertex position. Features automatic vertex grouping, dynamic collider updates, and seamless integration with Unity XR Interaction Toolkit for intuitive mesh deformation using controllers or hand tracking.

XRC Motor

Documentation | edu.cornell.xrc.toolkit.motor | 0.2.0

XRC Motor

A basic package to demonstrate ROS motor control in XR.

XRC Repeat

Documentation | edu.cornell.xrc.toolkit.repeat | 0.1.0

XRC Repeat

Package for spatial recording and playback. Requires Ultimate Replay 3.0 (paid asset).

XRC Scale

Documentation | edu.cornell.xrc.toolkit.scale | 0.2.1

XRC Scale

Per-axis object scaling for XR environments with color-coded grabbable handles and visual feedback stems. Enables independent scaling along X, Y, and Z axes through direct manipulation.

XRC Speech

Documentation | edu.cornell.xrc.toolkit.speech | 0.1.1

XRC Speech

Package for speech-to-text, and text-to-speech functionality. Meant to be used with the XRC Compute server, or an OpenAI key.

XRC Sphere Select

Documentation | edu.cornell.xrc.toolkit.sphereselect | 0.2.0

XRC Sphere Select

An implementation of a selection technique using a sphere as the selection volume; Sphere Select. This is similar to the selection technique found in Gravity Sketch.

XRC Vision

Documentation | edu.cornell.xrc.toolkit.vision | 0.1.0

XRC Vision

Package for communicating with specific vision models. Currently the package implements a simple call to a locally-hosted Segment Anything Model 2 (SAM 2). Meant to be used with the XRC Compute server.

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