November 2013
Intermediate to advanced
134 pages
3h 12m
English
Content preview from Augmented Reality for Android Application DevelopmentBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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Advanced interaction techniques
In the preceding chapter, we looked at some simple interaction techniques, that included ray picking (via touch interaction), sensor interaction, or camera to target proximity. There are a large number of other interaction techniques that can be used in Augmented Reality.
One standard technique that we will also find on other mobile user interfaces, is a virtual control pad. As a mobile phone limits access to additional control devices, such as a joypad or joystick, you can emulate their behavior via a touch interface. With this technique, you can display a virtual controller on your screen and analyze the touch in this area as being equivalent to controlling a control pad. It's easy to implement and enhance the ...
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.