Good day, habravchane. I want to share with you the answer of
Dan Safer with Quora to the question about the basic principles of a natural user interface and the very useful
Design Principles FTW website .
Basic principles of NUI design
1. Design for fingers, not for cursorSensory elements should be larger than the desktop: 10-14 mm for fingers, 8-10 for the cursor.
2. Remember physiology and kinesiology.Do not force users to scale and repeat actions.
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3. No gorilla handsPeople should not perform many tasks with outstretched arms for a long time
(calibration, QR readers, scanners, etc.) .
I apologize for such a narrow moment .
4. Screen CoverageMaking any gestures with the fingers of the hand in which the device is located, the user himself blocks the screen. Try to place the necessary controls in a prominent place.
5. Know the technologyUnderstanding the capabilities of a sensor or camera allows you to determine which gestures you can design.
6. The more complex gestures, the less people will perform or will want to perform them.7. Initialize actions when released, not when touched.8. Attractive opportunitiesUse simple gestures to start using the system.
9. Avoid unintentional actions.With a variety of daily user movements, some actions can be performed randomly. Avoid.
10. Controls and gesturesProvide easy access to functionality (buttons, slides, menus) and thoughtful memorable gestures for shortcuts.
11. The need for diversityThere are many ways to make any gesture.
12. Combine the complexity of the gesture with the frequency of the function for which he is responsibleSet simple gestures for simple and frequent tasks.
I also recommend reading on this site:
Thank you all for your attention.