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SVEn Shared Virtual Environment Tobias Manroth, Nils Pospischil, Philipp Schoemacker, Arnulph Fuhrmann
Cologne University of Applied Sciences
1. Introduction • Scope • • • •
Module in a Media Technology Master‘s degree Group project (3 students) One year 12 ECTS per student
• Objective • Development of an interactive graphical system
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1. Introduction • Key factors to foster creativity • project definition up to the students • design of a complex technical system
• working on emerging technologies
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2. Similar projects Giant vs Horde
Virtsim Military
Xsens – Multiperson full-body immersive VR
VIVE – Very Immersive Virtual Experience
SVEn - Shared Virtual Environment
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What is SVEn?
Shared Virtual Environment Motion Capturing Studio 1
Motion Capturing Studio 2
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7. Results & Benefit
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3. Hard- and Software HDMI
AV-Receiver
AV-Transmitter
USB
Oculus Rift DK1 HDMI
USB
Powerbank 10.000mAh USB
Motion Capturing Studio
Wiimote Wiimote
Computer
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3. Hard- and Software
Motion Capturing Studio 1
Motion Capturing Studio 2
Spectator with HMD
Spectator without HMD SVEn - Shared Virtual Environment
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3. Hard- and Software • Local data streaming
C++ C# NatNet SDK Wrapper
Motion Capturing
Optitrack Motive
Unity3D
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3. Hard- and Software • Costs: Hard- and Software
Costs [€]
Unity
0€
2x Wiimote
100 €
Powerbank, Bluetooth-Stick …
100 €
2x Peerless HDMI-Transmitter/Receiver
600 €
2x Oculus Rift DK1
640 €
Total:
1.440 €
MoCap Studio 1 (Optitrack Flex13 Bundle 12 Cameras)
18.000 €
MoCap Studio 2 (Optitrack Bundle 24 S250e Cameras)
65.000 €
Total:
84.440 €
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4. Implementation • Data streaming
Optitrack Motive
Unity3D SVEn - Shared Virtual Environment
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4. Implementation • Prediction • Reduce system related latency • Oculus tracking and latency compensation is not used • Our implementation based on “Head Tracking for the Oculus Rift” [LYKA14] Angular extrapolation
Positional extrapolation
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4. Implementation • Online Connectivity
Peer-to-Peer Connection Unity Server
Unity Client
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5. Virtual Environment
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5. Virtual Environment
Start
Shooter Game
Character Choosing Room
Physics Demo
Gym
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Teaching Room
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5. Virtual Environment • Shooter Game is similar to Flexible Spaces [VKBS13] Player Trigger
Inside Outside Virtual Walls SVEn - Shared Virtual Environment
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5. Virtual Environment
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5. Virtual Environment Main Menu:
• User Interface in VR: • Only Input device: Your own body • No haptic feedback
• Oculus Rift DK1 1. Limited resolution Large UI elements
Button not touched
Button touched: Delay time
Button event fired
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5. Virtual Environment • Ingame HUD:
• Ingame Menu:
• Ingame Buttons:
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6. Results & Benefit • Feedback from users: • Highly immersive • Strong feeling of presence • Low Latency
• Beneficial for • • • •
Gaming Remote training Vertigo therapy Future student projects SVEn - Shared Virtual Environment
References • [LYKA14] –LaValle S., Yershova A., Katsev M., Antonov M.: Head Tracking for the Oculus Rift. Robotics and Automation (ICRA), 2014 IEEE International Conference, Hong Kong, CN; 2014-05-31 – 2014-06-07 • [VKBS13] VASYLEVSKA K., KAUFMANN H., BOLAS M.,SUMA E. A.: Flexible spaces: A virtual step outside of reality.poster presentation: IEEE Virtual Reality, Orlando, FL (USA); 2013-03-18 – 2013-03-20, 2013.
• Credits • 3D model DeLorean: ’A certain DeLorean’ from KuhnIndustries www.blendswap.com (20.02.2015) • 3D characters: www.mixamo.com
