1 NIW Meeting, Udine, February INRIA advancement report A. Lécuyer, G. Cirio, L. Terziman, M. Marchal (INRIA) NIW Project, Udine, February 2011

2 NIW Meeting, Udine, February Outline Walking device (M. Marchal) JoyMan : a human-scale joystick for NIW Ground rendering (G. Cirio) Haptic liquids (liquid grounds) Multi-state haptics (multi-state grounds = deformable, solid, fluid) Vibratory rendering of liquid grounds Pseudo-haptic feedback (A. Lécuyer) New effect for material properties « King-Kong » effect Interactive techniques (L. Terziman) Shake-your-head : comparison with joystick Multi-sensory shake-your-head : visual (king-kong effect), tactile, audio

3 NIW Meeting, Udine, February « JoyMan » : a Human-Scale Joystick « Human joystick » : navigation based on body orientation (Marchal et al., IEEE 3DUI 2011) (Patent, 2011) M. Marchal, J. Pettre, A. Lécuyer, “Joyman: a Human-Scale Joystick for Navigating in Virtual Worlds”, IEEE International Symposium on 3D User Interfaces (IEEE 3DUI), Singapore, 2011

4 NIW Meeting, Udine, February  A novel approach for haptic rendering of fluids  6 DOF physically-based solid-fluid haptic interaction  A generic system: variable viscosity, arbitrary-shaped objects, multiple haptic coupling 6DoF Haptic Interaction with Fluids G. Cirio, M. Marchal, S. Hillaire, A. Lécuyer, “Six Degrees-of-Freedom Haptic Interaction with Fluids”, IEEE Transactions on Visualization and Computer Graphics, In Press. Presentation at IEEE Virtual Reality, Singapore, March 2011

5 NIW Meeting, Udine, February DoF Haptic Interaction with Multiple States of Matter  A single model allowing to interact with:  Fluids (Navier-Stokes)  Deformable bodies (continuum mechanics)  Rigid bodies (rigid body dynamics)  A single haptic rendering technique  The first multistate haptic rendering technique G. Cirio, M. Marchal, A. Le Gentil, A. Lécuyer, “Tap, Squeeze and Stir the Virtual World: Touching the Different States of Matter Through 6DoF Haptic Interaction”, IEEE Virtual Reality 2011 G. Cirio, M. Marchal, A. Lécuyer, “Assessing the 6DoF Haptic Rendering of Multi-State Simulations with Fluid, Deformable and Rigid Media”, Submitted to World Haptics 2011

6 NIW Meeting, Udine, February Vibrotactile Rendering of Fluids  Vibrotactile rendering of foot-fluid interaction  Model based on 3 components  Harmonic Bubbles  Main Cavity Oscillation  Initial Impact Future work : Paper for IEEE ToH Further evaluations? >> McGill tiles, UPMC shoes Acoustic rendering with Verona?

7 NIW Meeting, Udine, February Pseudo-haptic feedback Simulation of material property: wood, metal, foam, etc Novel effect based on visual vibration Inspired by Force transients and event-based haptics Seems very efficient ! T. Hachisu, G. Cirio, M. Marchal, A. Lécuyer, H. Kajimoto, « Pseudo-Haptic Feedback Augmented with Visual and Tactile Vibrations », International Symposium on VR Innovation (ISVRI), 2011

8 NIW Meeting, Udine, February Simulation of feet-ground contacts with visual oscillations Inspired by movie effect >> Oscillating motion of the virtual camera Simulation of ground properties? To be tested with Shake-Your-Head.. « King-Kong » effect?

9 NIW Meeting, Udine, February Walking-in-Place Novel technique based on head movements Sitting or Standing Walk+Turn+Jump+Crawl Evaluation : fast learning, high appreciation Walking-in-Place and« Shake-Your-Head »

10 NIW Meeting, Udine, February Implementation L. Terziman, M. Marchal, M. Emily, F. Multon, B. Arnaldi, A. Lécuyer, “Shake-Your- Head: Revisiting Walking-In-Place for Desktop Virtual Reality”, ACM Symposium on Virtual Reality Software and Technology, Hong-Kong, China, 2010

11 NIW Meeting, Udine, February Shake-your-head : comparison with joystick Joystick trajectories: « Shake-Your-Head » (SYH) trajectories:

12 NIW Meeting, Udine, February Shake-your-head : comparison with joystick Spatial analysis –Macroscopic: –Shape of the trajectories –Distance to the shortest path –Mean trajectories –Microscopic: –Curvature Temporal analysis –Speed –Smoothness

13 NIW Meeting, Udine, February Multi-sensory shake-your-head Audio Visual Vibration

14 NIW Meeting, Udine, February Publications (reporting period) Cirio, M. Marchal, S. Hillaire, A. Lécuyer, “Six Degrees-of-Freedom Haptic Interaction with Fluids”, IEEE Transactions on Visualization and Computer Graphics, in press G. Cirio, M. Marchal, A. Le Gentil, A. Lécuyer, “‘Tap, Squeeze and Stir’ the Virtual World: Touching the Different States of Matter Through 6DoF Haptic Interaction”, IEEE International Conference on Virtual Reality (IEEE VR), Singapore, 2011 M. Marchal, J. Pettre, A. Lécuyer, “Joyman: a Human-Scale Joystick for Navigating in Virtual Worlds”, IEEE International Symposium on 3D User Interfaces (IEEE 3DUI), Singapore, 2011 T. Hachisu, G. Cirio, M. Marchal, A. Lécuyer, H. Kajimoto, « Pseudo-Haptic Feedback Augmented with Visual and Tactile Vibrations », International Symposium on VR Innovation (ISVRI), submissions at WHC