Lingua Place

About

Lingua Place is immersive and intuitive XR language learning app, that translates objects around you thanks to scene understanding and Google API.

Role

Leader and developer, overlooking a team of 4 people.

Highlights

• Using Meta SDK, Wit.AI, Google API, with the possible support of 120+ languages including precise speech recognition.
• Using surroudings to learn a new language, with intuitive user controls thanks to Passthrough, Gestures and Visual Feedbacks.
• Implemented within 10 days - 7 days for the initial prototype and 3 days of team work, with a future plan to integrate camera access once available.

Tech stack

• Unity, using Meta SDK - Passthrough, Gestures, Interaction, Voice SDK, Wit.AI
• Google API - Translations, Speech to Text, Text to Speech
• OpenAI - for extending vocabulary

Contributions

• Project setup with Meta SDK using Passthrough, Anchors, Voice SDK.
• Integrated Speech to Text, Text to Speech and Translations thanks to Wit.AI and Google API, including formatting base64 string to audio and back.
• Managed the team and workflow, using SCRUM methodology and a Kanban board.

Future goals

• Potential lies in the introduction of Camera Access on the Quest in 2025, that will expand the vocabulary of the app.

Hackathon

• The project was part of the submission for Meta Presence Platform Hackhaton in 2024.

Devpost Github

XR Bootcamp Foundations course projects

About

XR Bootcamp Foundations is a 5-month XR course on creating Unity experiences using XR Toolkit and Meta SDK. This is showcase of first 8 weeks of learning new XR mechanics, crafting various Desktop and VR Experiences.

Role

Creator, developer and designer.

Highlights

• Unity, XR Toolkit, customized 3D models in Blender
• One week, one environment - Circus, Indiana Jones like, Ice World, Counter Strike like, Horror themed one, Ari like
• Created XR Mechanics - Gravity manipulator, Trajectory calculation with physics scene simulation, Custom Rotation Interactable, various weapons, returning axe available

Tech stack

• Unity, using XR Toolkit
• Blender - 3D models and customization

Linkedin post Github

XR Zombie Defense

About

Realistic MR zombie defense game for Meta Quest using Mixamo animations, stencil shader, passthrough and VR wall destruction mechanism.

Role

Sole developer.

Highlights

• Realistic visual effects thanks to Passthrough, Stencil shader and custom Render settings
• Mesh destruction on walls and objects, eamlessly blending the virtual and real world ( inspired by Black Whale Studios )
• Implemented within 7 days

Tech stack

• Unity, using Meta SDK - Anchors, Passthrough, Interaction
• Mixamo and Unity animations

Contributions

• Game logic, visual effects, customized animations and custom shaders.
• Destruction of objects and walls, including, real like window breaking.
• Zombies states, including stunning zombies with a hand push, various weapons ( gun, cup ).

Github

XR True Crime - Detective Game

About

Thanks to XR True Crime anyone can now be a detective! Investigating a lifelike scene with interactive environments and tools.

Role

Leader and developer, overlooking a team of 4 people

Highlights

• Leverage latest tech Scene Understanding and Passthrough to use user's room, Body Tracking for tool belt, Hand Gestures for immersive interactions
• Implemented within 2 weeks

Tech stack

• Unity, using Meta SDK - Anchors, Passthrough, Interaction, Gestures, Body Tracking
• Blender - 3D models and customization

Contributions

• Lead and managed the team using SCRUM.
• Project setup, custom 3D models in Blender, interactable objects ( recorder, documents, sticky notes, animated gesture swipeable notebook )
• Created storyline ( suspects, clues, interrogation recordings )

Linkedin post Github

XR Time Traveler - through time

About

Travel and discover your place in various times ( from 400 million years ago to current time ) thanks to blending the real and VR worlds.

Role

Sole developer

Highlights

• Leverage MR with virtual windows, transforming the user's room into a portal to different time periods
• Wall destruction mechanics and teleportation features
• 7-day prototype

Tech stack

• Unity, Meta SDK - Anchors, Passthrough, Interaction, Locomotion
• Blender - 3D models and customization
• Maximo and Unity Animations

Contributions

• Game logic, audio and visual effects, customized animations and 3d models
• Implemented passthrough, locomotion, game mechanics and wall destruction ( inspired by Black Whale Studios )

Github

Cognity - VR Brain Training App

About

Cognitive training developed with psychologist to train brain, educate, distract or relax children in hospitals.

Role

Lead Developer, Scrum master

Highlights

• First VR application implemented in hospitals in Slovakia
• Won Via Bona Award for socially innovative company product in 2021
• Clinically proven improvement of therapy sessions and mental health

Tech stack

• Unity, OVR Plugin, XR Toolkit
• Blender, Unity Animations
• Oculus Go, Quest 1, Quest 2 and Quest Pro

Contributions

• Project architecture, VR environments, game mechanics, game narrator.
• Immersive activities, VR interactions, animations.
• Shipped to Meta Store
• Led the project, managed daily stand-ups, reviews, retrospectives using SCRUM
• Onboarded newcomers and guided junior developers
• Represented the project on various conferences throughout Europe

Youtube trailer Meta Store

Zvedavo - AR Educational App

About

Zvedavo is an Augmented Reality ( AR ) educational app with real-time animal discovery, quizzes, and diverse educational content. Implemented in a park in Slovakia.

Role

Application developer

Highlights

• Slovakia's first AR educational app, creating immersive learning experience for kids.
• Using AR Core, GPS, and Firebase to create dynamic, location-based app with offline support.

Tech stack

• Android, AR Core, Java
• Blender, 3D Animations
• Firebase Authentication, Realtime Database
• GPS, Google Maps

Contributions

• Debuged code, resolved bugs and successfully shipped, and delivered the app.
• Added 3D Animations using AR Core and functionality to take picture and save it to Gallery.
• Incorporated GPS tracking, Google Maps markers.
• Built an offline solution, so the app works even in low or no internet coverage areas.
• Set up Firebase for Authentication and Database solution.
• Implemented dynamic asset download through Dynamic Delivery.

Google Play LinkedIn post

Cozy place Prototype

About

The goal of this project was to use the XR Device Simulator to develop and test without a headset, setting up basic tasks to see how intuitive it felt to move, turn, grab items, and interact with them. ( In 2021, back then, the options were pretty limited. :) )

Role

Sole developer and designer

Highlights

• Key takeaway - developing and testing without a headset is possible, though the experience is nearly not the same. It can serve as temporary solution, when sharing a headset.

Tech stack

• Unity, XR Toolkit, XR Device Simulator
• Blender - 3D models and customization

Contributions

• Developed and tested various game mechanics and interactions ( grabbing, sockets etc. ).
• Designed the 3D environment, customized models in Blender.

VR School - WebVR, AFrame

About

A VR educational platform developed to enhance education for people with disabilities. It uses WebVR, so multiplatform support is guaranteed, including PC solutions, making it available for everyone. It has versions for both teachers and students - teachers can record classes, manipulate objects, and save scenes, while students can download recordings, take pictures, and chat within the app.

Role

Sole developer and designer

Highlights

• The project's success led to a peer-reviewed article with IEEE and became the foundation for further research in university settings.

Tech stack

• AFrame, Javascript, Socket.IO, NetworkedAF, WebRTC
• Firebase Realtime Database, Storage and Authentication
• Blender, 3D Modeling

Contributions

• Created a shared virtual space with voice and chat communication using Socket.IO and WebRTC.
• Implemented shared object manipulation with NetworkedAF.
• Incorporated features for recording sessions, saving environments, and downloading recordings.
• Set up Firebase for authentication, storage of recordings, and a real-time database for saving scenes.
• Designed scenes and built 3D models for classrooms.

VR School Project

1:1 Building Models - AFrame

About

The goal was to create accurate 1:1 models of buildings in one of Slovakia's city and later integrate them into a project - VR 3D representation of the city.

Role

Sole designer and developer

Tech stack

• Blender, SketchUp
• AFrame, Javascript

Contributions

• Designed and created 1:1 models of buldings with custom shaders to make the buildings as realistic as possible.
• Incorporated the buildings into a 3D environment with AFrame and JavaScript to make them viewable in VR.

Project link

Memory palace

About

Memory Palace helps you remember and recall information - like prepping for a presentation - by placing memory bubbles in your real environment, linking text and voice recording to specific locations with unique 3D objects and speech recognition for simple review and practice.

Role

Developer and designer

Highlights

• Immersive memorization and self-testing using speech to text and audio playback, reinforcing interactive memorization.
• Released on the Meta Quest Store.
• Implemented within 14 days as part of a team of 4.

Tech stack

• Unity, Meta SDK - Passthrough, Gestures, Interaction, Voice SDK, Wit.AI
• Blender - 3D models and customization

Contributions

• Developed a saving system using JSON and PlayerPrefs, including encoding and decoding audio into a base64 string for a quick prototype solution.
• Created and customized 3D objects.
• Implemented audio recording, speech-to-text system using Wit.ai and an algorithm to compare strings for a score system.
• Designed the hand menu and polished the app.

Future goals

• Integrate Firebase as a backend solution.
• Optimize the app overall, improve the UX and data manipulation.

Meta Store Github