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Similar to Ward off XR nightmares, Mind your UX! - Alexia Buclet
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Ward off XR nightmares, Mind your UX! - Alexia Buclet
- 1. Ward off XR nightmares, Mind your UX! Alexia Buclet Head of Design Minsar.app @AlexiaBuclet Amsterdam 14/11/2019
- 2. ➢ A code-free platform to build, distribute, and collaborate on AR & VR experiences directly through a 3D headset, tablet, or smartphone. Minsar Alexia Buclet soon
- 3. ➢ Import content ➢ Adjust it and make it interactive ➢ Collaborate with your team ➢ Distribute on several platforms at once Minsar Alexia Buclet
- 4. Alexia Buclet UX Design in XR
- 5. ➢ User eXperience ➢ Goal: design a product with a user focus, for people to easily and happily use it. ➢ Understand human beings with their: ➢ Needs ➢ Values ➢ Abilities ➢ Limitations UX Design Alexia Buclet
- 7. Oh… Wait…
- 8. Why is everything dark?
- 9. Wow wow why am I moving? I’m gonna be sick…
- 10. Ugh I turn my head but it doesn’t follow…
- 11. What can I do with that?
- 12. Okay… When I touch this nothing happens…
- 13. What is written over there?
- 14. It’s not working! How can I do that?
- 15. Okay great… It was behind me the whole time.
- 16. What the h***?! I wasn’t expecting that!
- 17. If you’ve already heard at least one of these reactions… Raise your hand! .
- 18. What’s the h***?! I wasn’t expecting that! Alexia Buclet The lack of a great UX is one of the biggest obstacles to XR adoption
- 19. Alexia Buclet A 360° playground
- 20. Display all around the user ➢ Consider body capabilities and possible physical discomfort 60° 20° 12° 40° 47°47° 77° 77° 102°102° Alexia Buclet
- 21. Field of view = a moving screen ➢ Mobile/tablet = held with hands ➢ Headset = stuck to the head Alexia Buclet
- 22. Field of view ➢ Consider its limited size ➢ Use adapted sizes Alexia Buclet
- 23. Field of view ➢ Consider its limited size ➢ Use adapted sizes ➢ Limit information density ➢ Inside & Outside the FoV ➢ Use contextual display ➢ Guide the user’s attention Alexia Buclet Robo Raid - http://www.xr.design/
- 24. Alexia Buclet The 3rd dimension: Depth
- 25. Distance from the user: comfort and readability ➢ Don’t be intrusive ➢ Ensure a good readability ➢ Take advantage of human characteristics 20m: stereoscopic perception limit 0.5m 1.5m: popup 2-3m: menu10m: high stereoscopic perception limit Alexia Buclet
- 26. Virtual elements position and behaviors ➢ Environment related ➢ User position related ➢ Field of view related ➢ Follow its movement in world space ➢ Stuck to it in screen space ➢ Controller related, etc. Alexia Buclet
- 28. Expectations regarding the physical world ➢ We need to be consistent with the physical world… ➢ Respect some basic rules of physics ➢ Human beings need bearings ➢ Use tricks ➢ Haptic feedback ➢ Spatialized sound ➢ … Alexia Buclet
- 29. Alexia Buclet http://www.xr.design/ ➢ E.g. Touching an element impacts it and the user: Touch buttons
- 30. ➢ But… Go beyond that! For example, with magical interactions: Telekinesis Minsar Alexia Buclet
- 31. ➢ Magical interactions: Alexia Buclet Go through walls http://www.xr.design/
- 32. Throw to delete Tilt Brush - http://www.xr.design/ ➢ Convenient interactions: Alexia Buclet
- 33. ➢ Convenient interactions: Alexia Buclet Reverse controllers Tilt Brush - http://www.xr.design/
- 34. Guide users in this new reality ➢ Everything is possible! ➢ An infinity of interactions… Defined by code. ➢ New concepts need to be taught. ➢ Always use clear Signs & Feedback ➢ Make tutorials if needed Alexia Buclet
- 35. Consider the immersed body ➢ Limit their physical fatigue ➢ Take infinite user positioning into account ➢ Respect their personal space Alexia Buclet
- 37. Physical and virtual movements ➢ Several means of virtual locomotion (VR) → Teleport ➢ Give control to the user ➢ Or use a visual landmark and a constant speed ➢ Ensure strong reactivity Alexia Buclet http://www.xr.design/
- 38. Alexia Buclet Several ways to interact
- 39. Several sensors ➢ Oriented toward the user and/or their environment. Alexia Buclet
- 40. ➢ Those sensors allow new interactions means: ➢ Headpose ➢ Hand controllers ➢ Hand gestures ➢ Eye gaze ➢ Vocal commands ➢ Position… ➢ Environments can not be adapted to all of them. → Beware of false positives and false negatives. Alexia Buclet Magic Leap interaction means example
- 41. Combine several ways to interact ➢ With different means for a same result. Example: Trigger a menu button ➢ Say its name ➢ Tap on it with cursor at a distance ➢ Tap on it with the finger ➢ Select it with the controller touchpad ➢ With different ways using a same mean. Example: vocal commands Alexia Buclet
- 42. Consistency between devices ➢ All devices don’t offer the same features. ➢ Keep a global consistency. ➢ Take advantage of possibilities offered by each device. Alexia Buclet
- 44. Consider the virtual or physical environment ➢ Prevent possible conflicts ➢ Integrate elements ➢ Adapt to possible evolutions ➢ Ensure readability over an unexpected background Alexia Buclet
- 46. Consider… ➢ a 360° playground ➢ the depth ➢ the immersion ➢ the movements ➢ several ways to interact ➢ the dynamic surroundings (virtual and physical)
- 47. The beginning of UX heuristic for XR ➢ Examples: ➢ A Taxonomy of Usability Characteristics in Virtual Environments - Joseph L. Gabbard, 1997 ➢ Heuristic evaluation of virtual reality applications - Alistair Sutcliffe & Brian Gault, 2004 ➢ Heuristic Evaluation for Virtual Reality Systems - Rabia Murtza, Stephen Monroe, and Robert J. Youmans, 2017 ➢ VR Heuristic Evaluation Tool - Olga Ivanova
- 48. Mind your UX! ➢ We don’t want to hear nightmare sentences anymore… ➢ Let’s build dreams!
- 49. What’s the h***?! I wasn’t expecting that! Alexia Buclet 1. Hire a UX Designer
- 50. What’s the h***?! I wasn’t expecting that! Alexia Buclet 2. Use the physical world to design for immersive virtuality Physical objects A tape measure
- 51. What’s the h***?! I wasn’t expecting that! Alexia Buclet 3. Design in immersion
- 52. What’s the h***?! I wasn’t expecting that! Alexia Buclet 4. Try… Iterate… Don’t be afraid of mistakes.
- 53. What’s the h***?! I wasn’t expecting that! Alexia Buclet 5. Be close to your users
- 54. What’s the h***?! I wasn’t expecting that! Alexia Buclet Help XR keep its wonderful promises… Mind your UX!